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@@ -1,3906 +1,3904 @@
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-<?php
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-
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-/**
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- * Experimental HTML5-based parser using Jeroen van der Meer's PH5P library.
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- * Occupies space in the HTML5 pseudo-namespace, which may cause conflicts.
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- *
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- * @note
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- * Recent changes to PHP's DOM extension have resulted in some fatal
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- * error conditions with the original version of PH5P. Pending changes,
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- * this lexer will punt to DirectLex if DOM throughs an exception.
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- */
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-
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-class HTMLPurifier_Lexer_PH5P extends HTMLPurifier_Lexer_DOMLex {
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-
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- public function tokenizeHTML($html, $config, $context) {
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- $new_html = $this->normalize($html, $config, $context);
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- $new_html = $this->wrapHTML($new_html, $config, $context);
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- try {
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- $parser = new HTML5($new_html);
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- $doc = $parser->save();
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- } catch (DOMException $e) {
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- // Uh oh, it failed. Punt to DirectLex.
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- $lexer = new HTMLPurifier_Lexer_DirectLex();
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- $context->register('PH5PError', $e); // save the error, so we can detect it
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- return $lexer->tokenizeHTML($html, $config, $context); // use original HTML
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- }
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- $tokens = array();
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- $this->tokenizeDOM(
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- $doc->getElementsByTagName('html')->item(0)-> // <html>
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- getElementsByTagName('body')->item(0)-> // <body>
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- getElementsByTagName('div')->item(0) // <div>
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- , $tokens);
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- return $tokens;
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- }
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-
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-}
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-
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-/*
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-
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-Copyright 2007 Jeroen van der Meer <http://jero.net/>
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-
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-Permission is hereby granted, free of charge, to any person obtaining a
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-copy of this software and associated documentation files (the
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-"Software"), to deal in the Software without restriction, including
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-without limitation the rights to use, copy, modify, merge, publish,
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-distribute, sublicense, and/or sell copies of the Software, and to
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-permit persons to whom the Software is furnished to do so, subject to
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-the following conditions:
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-
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-The above copyright notice and this permission notice shall be included
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-in all copies or substantial portions of the Software.
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-
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-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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-IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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-
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-*/
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-
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-class HTML5 {
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- private $data;
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- private $char;
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- private $EOF;
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- private $state;
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- private $tree;
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- private $token;
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- private $content_model;
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- private $escape = false;
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- private $entities = array('AElig;','AElig','AMP;','AMP','Aacute;','Aacute',
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- 'Acirc;','Acirc','Agrave;','Agrave','Alpha;','Aring;','Aring','Atilde;',
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- 'Atilde','Auml;','Auml','Beta;','COPY;','COPY','Ccedil;','Ccedil','Chi;',
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- 'Dagger;','Delta;','ETH;','ETH','Eacute;','Eacute','Ecirc;','Ecirc','Egrave;',
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- 'Egrave','Epsilon;','Eta;','Euml;','Euml','GT;','GT','Gamma;','Iacute;',
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- 'Iacute','Icirc;','Icirc','Igrave;','Igrave','Iota;','Iuml;','Iuml','Kappa;',
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- 'LT;','LT','Lambda;','Mu;','Ntilde;','Ntilde','Nu;','OElig;','Oacute;',
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- 'Oacute','Ocirc;','Ocirc','Ograve;','Ograve','Omega;','Omicron;','Oslash;',
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- 'Oslash','Otilde;','Otilde','Ouml;','Ouml','Phi;','Pi;','Prime;','Psi;',
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- 'QUOT;','QUOT','REG;','REG','Rho;','Scaron;','Sigma;','THORN;','THORN',
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- 'TRADE;','Tau;','Theta;','Uacute;','Uacute','Ucirc;','Ucirc','Ugrave;',
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- 'Ugrave','Upsilon;','Uuml;','Uuml','Xi;','Yacute;','Yacute','Yuml;','Zeta;',
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- 'aacute;','aacute','acirc;','acirc','acute;','acute','aelig;','aelig',
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- 'agrave;','agrave','alefsym;','alpha;','amp;','amp','and;','ang;','apos;',
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- 'aring;','aring','asymp;','atilde;','atilde','auml;','auml','bdquo;','beta;',
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- 'brvbar;','brvbar','bull;','cap;','ccedil;','ccedil','cedil;','cedil',
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- 'cent;','cent','chi;','circ;','clubs;','cong;','copy;','copy','crarr;',
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- 'cup;','curren;','curren','dArr;','dagger;','darr;','deg;','deg','delta;',
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- 'diams;','divide;','divide','eacute;','eacute','ecirc;','ecirc','egrave;',
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- 'egrave','empty;','emsp;','ensp;','epsilon;','equiv;','eta;','eth;','eth',
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- 'euml;','euml','euro;','exist;','fnof;','forall;','frac12;','frac12',
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- 'frac14;','frac14','frac34;','frac34','frasl;','gamma;','ge;','gt;','gt',
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- 'hArr;','harr;','hearts;','hellip;','iacute;','iacute','icirc;','icirc',
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- 'iexcl;','iexcl','igrave;','igrave','image;','infin;','int;','iota;',
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- 'iquest;','iquest','isin;','iuml;','iuml','kappa;','lArr;','lambda;','lang;',
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- 'laquo;','laquo','larr;','lceil;','ldquo;','le;','lfloor;','lowast;','loz;',
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- 'lrm;','lsaquo;','lsquo;','lt;','lt','macr;','macr','mdash;','micro;','micro',
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- 'middot;','middot','minus;','mu;','nabla;','nbsp;','nbsp','ndash;','ne;',
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- 'ni;','not;','not','notin;','nsub;','ntilde;','ntilde','nu;','oacute;',
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- 'oacute','ocirc;','ocirc','oelig;','ograve;','ograve','oline;','omega;',
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- 'omicron;','oplus;','or;','ordf;','ordf','ordm;','ordm','oslash;','oslash',
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- 'otilde;','otilde','otimes;','ouml;','ouml','para;','para','part;','permil;',
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- 'perp;','phi;','pi;','piv;','plusmn;','plusmn','pound;','pound','prime;',
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- 'prod;','prop;','psi;','quot;','quot','rArr;','radic;','rang;','raquo;',
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- 'raquo','rarr;','rceil;','rdquo;','real;','reg;','reg','rfloor;','rho;',
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- 'rlm;','rsaquo;','rsquo;','sbquo;','scaron;','sdot;','sect;','sect','shy;',
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- 'shy','sigma;','sigmaf;','sim;','spades;','sub;','sube;','sum;','sup1;',
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- 'sup1','sup2;','sup2','sup3;','sup3','sup;','supe;','szlig;','szlig','tau;',
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- 'there4;','theta;','thetasym;','thinsp;','thorn;','thorn','tilde;','times;',
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- 'times','trade;','uArr;','uacute;','uacute','uarr;','ucirc;','ucirc',
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- 'ugrave;','ugrave','uml;','uml','upsih;','upsilon;','uuml;','uuml','weierp;',
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- 'xi;','yacute;','yacute','yen;','yen','yuml;','yuml','zeta;','zwj;','zwnj;');
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-
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- const PCDATA = 0;
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- const RCDATA = 1;
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- const CDATA = 2;
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- const PLAINTEXT = 3;
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-
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- const DOCTYPE = 0;
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- const STARTTAG = 1;
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- const ENDTAG = 2;
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- const COMMENT = 3;
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- const CHARACTR = 4;
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- const EOF = 5;
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-
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- public function __construct($data) {
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- $data = str_replace("\r\n", "\n", $data);
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- $data = str_replace("\r", null, $data);
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-
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- $this->data = $data;
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- $this->char = -1;
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- $this->EOF = strlen($data);
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- $this->tree = new HTML5TreeConstructer;
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- $this->content_model = self::PCDATA;
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-
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- $this->state = 'data';
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-
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- while($this->state !== null) {
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- $this->{$this->state.'State'}();
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- }
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- }
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-
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- public function save() {
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- return $this->tree->save();
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- }
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-
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- private function char() {
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- return ($this->char < $this->EOF)
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- ? $this->data[$this->char]
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- : false;
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- }
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-
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- private function character($s, $l = 0) {
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- if($s + $l < $this->EOF) {
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- if($l === 0) {
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- return $this->data[$s];
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- } else {
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- return substr($this->data, $s, $l);
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- }
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- }
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- }
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-
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- private function characters($char_class, $start) {
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- return preg_replace('#^(['.$char_class.']+).*#s', '\\1', substr($this->data, $start));
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- }
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-
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- private function dataState() {
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- // Consume the next input character
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- $this->char++;
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- $char = $this->char();
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-
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- if($char === '&' && ($this->content_model === self::PCDATA || $this->content_model === self::RCDATA)) {
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- /* U+0026 AMPERSAND (&)
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- When the content model flag is set to one of the PCDATA or RCDATA
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- states: switch to the entity data state. Otherwise: treat it as per
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- the "anything else" entry below. */
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- $this->state = 'entityData';
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-
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- } elseif($char === '-') {
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- /* If the content model flag is set to either the RCDATA state or
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- the CDATA state, and the escape flag is false, and there are at
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- least three characters before this one in the input stream, and the
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- last four characters in the input stream, including this one, are
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- U+003C LESS-THAN SIGN, U+0021 EXCLAMATION MARK, U+002D HYPHEN-MINUS,
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- and U+002D HYPHEN-MINUS ("<!--"), then set the escape flag to true. */
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- if(($this->content_model === self::RCDATA || $this->content_model ===
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- self::CDATA) && $this->escape === false &&
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- $this->char >= 3 && $this->character($this->char - 4, 4) === '<!--') {
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- $this->escape = true;
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- }
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-
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- /* In any case, emit the input character as a character token. Stay
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- in the data state. */
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- $this->emitToken(array(
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- 'type' => self::CHARACTR,
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- 'data' => $char
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- ));
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-
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- /* U+003C LESS-THAN SIGN (<) */
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- } elseif($char === '<' && ($this->content_model === self::PCDATA ||
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- (($this->content_model === self::RCDATA ||
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- $this->content_model === self::CDATA) && $this->escape === false))) {
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- /* When the content model flag is set to the PCDATA state: switch
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- to the tag open state.
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-
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- When the content model flag is set to either the RCDATA state or
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- the CDATA state and the escape flag is false: switch to the tag
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- open state.
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-
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- Otherwise: treat it as per the "anything else" entry below. */
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- $this->state = 'tagOpen';
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-
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- /* U+003E GREATER-THAN SIGN (>) */
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- } elseif($char === '>') {
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- /* If the content model flag is set to either the RCDATA state or
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- the CDATA state, and the escape flag is true, and the last three
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- characters in the input stream including this one are U+002D
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- HYPHEN-MINUS, U+002D HYPHEN-MINUS, U+003E GREATER-THAN SIGN ("-->"),
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- set the escape flag to false. */
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- if(($this->content_model === self::RCDATA ||
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- $this->content_model === self::CDATA) && $this->escape === true &&
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- $this->character($this->char, 3) === '-->') {
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- $this->escape = false;
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- }
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-
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- /* In any case, emit the input character as a character token.
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- Stay in the data state. */
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- $this->emitToken(array(
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- 'type' => self::CHARACTR,
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- 'data' => $char
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- ));
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-
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- } elseif($this->char === $this->EOF) {
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- /* EOF
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- Emit an end-of-file token. */
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- $this->EOF();
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-
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- } elseif($this->content_model === self::PLAINTEXT) {
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- /* When the content model flag is set to the PLAINTEXT state
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- THIS DIFFERS GREATLY FROM THE SPEC: Get the remaining characters of
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- the text and emit it as a character token. */
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- $this->emitToken(array(
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- 'type' => self::CHARACTR,
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- 'data' => substr($this->data, $this->char)
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- ));
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-
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- $this->EOF();
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-
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- } else {
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- /* Anything else
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- THIS DIFFERS GREATLY FROM THE SPEC: Get as many character that
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- otherwise would also be treated as a character token and emit it
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- as a single character token. Stay in the data state. */
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- $len = strcspn($this->data, '<&', $this->char);
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- $char = substr($this->data, $this->char, $len);
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- $this->char += $len - 1;
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-
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- $this->emitToken(array(
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- 'type' => self::CHARACTR,
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- 'data' => $char
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- ));
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-
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- $this->state = 'data';
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- }
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- }
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-
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- private function entityDataState() {
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- // Attempt to consume an entity.
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- $entity = $this->entity();
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-
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- // If nothing is returned, emit a U+0026 AMPERSAND character token.
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- // Otherwise, emit the character token that was returned.
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- $char = (!$entity) ? '&' : $entity;
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- $this->emitToken(array(
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- 'type' => self::CHARACTR,
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- 'data' => $char
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- ));
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-
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- // Finally, switch to the data state.
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- $this->state = 'data';
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- }
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-
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- private function tagOpenState() {
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- switch($this->content_model) {
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- case self::RCDATA:
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- case self::CDATA:
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- /* If the next input character is a U+002F SOLIDUS (/) character,
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- consume it and switch to the close tag open state. If the next
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- input character is not a U+002F SOLIDUS (/) character, emit a
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- U+003C LESS-THAN SIGN character token and switch to the data
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- state to process the next input character. */
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- if($this->character($this->char + 1) === '/') {
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- $this->char++;
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- $this->state = 'closeTagOpen';
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-
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- } else {
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- $this->emitToken(array(
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- 'type' => self::CHARACTR,
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- 'data' => '<'
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- ));
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-
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- $this->state = 'data';
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- }
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- break;
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-
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- case self::PCDATA:
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- // If the content model flag is set to the PCDATA state
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- // Consume the next input character:
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- $this->char++;
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- $char = $this->char();
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-
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- if($char === '!') {
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- /* U+0021 EXCLAMATION MARK (!)
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- Switch to the markup declaration open state. */
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- $this->state = 'markupDeclarationOpen';
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-
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- } elseif($char === '/') {
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- /* U+002F SOLIDUS (/)
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- Switch to the close tag open state. */
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- $this->state = 'closeTagOpen';
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-
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- } elseif(preg_match('/^[A-Za-z]$/', $char)) {
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- /* U+0041 LATIN LETTER A through to U+005A LATIN LETTER Z
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- Create a new start tag token, set its tag name to the lowercase
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- version of the input character (add 0x0020 to the character's code
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- point), then switch to the tag name state. (Don't emit the token
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- yet; further details will be filled in before it is emitted.) */
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- $this->token = array(
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- 'name' => strtolower($char),
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- 'type' => self::STARTTAG,
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- 'attr' => array()
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- );
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-
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- $this->state = 'tagName';
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-
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- } elseif($char === '>') {
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- /* U+003E GREATER-THAN SIGN (>)
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- Parse error. Emit a U+003C LESS-THAN SIGN character token and a
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- U+003E GREATER-THAN SIGN character token. Switch to the data state. */
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- $this->emitToken(array(
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- 'type' => self::CHARACTR,
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- 'data' => '<>'
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- ));
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-
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- $this->state = 'data';
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-
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- } elseif($char === '?') {
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- /* U+003F QUESTION MARK (?)
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- Parse error. Switch to the bogus comment state. */
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- $this->state = 'bogusComment';
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-
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- } else {
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|
- /* Anything else
|
|
|
- Parse error. Emit a U+003C LESS-THAN SIGN character token and
|
|
|
- reconsume the current input character in the data state. */
|
|
|
- $this->emitToken(array(
|
|
|
- 'type' => self::CHARACTR,
|
|
|
- 'data' => '<'
|
|
|
- ));
|
|
|
-
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
- }
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function closeTagOpenState() {
|
|
|
- $next_node = strtolower($this->characters('A-Za-z', $this->char + 1));
|
|
|
- $the_same = count($this->tree->stack) > 0 && $next_node === end($this->tree->stack)->nodeName;
|
|
|
-
|
|
|
- if(($this->content_model === self::RCDATA || $this->content_model === self::CDATA) &&
|
|
|
- (!$the_same || ($the_same && (!preg_match('/[\t\n\x0b\x0c >\/]/',
|
|
|
- $this->character($this->char + 1 + strlen($next_node))) || $this->EOF === $this->char)))) {
|
|
|
- /* If the content model flag is set to the RCDATA or CDATA states then
|
|
|
- examine the next few characters. If they do not match the tag name of
|
|
|
- the last start tag token emitted (case insensitively), or if they do but
|
|
|
- they are not immediately followed by one of the following characters:
|
|
|
- * U+0009 CHARACTER TABULATION
|
|
|
- * U+000A LINE FEED (LF)
|
|
|
- * U+000B LINE TABULATION
|
|
|
- * U+000C FORM FEED (FF)
|
|
|
- * U+0020 SPACE
|
|
|
- * U+003E GREATER-THAN SIGN (>)
|
|
|
- * U+002F SOLIDUS (/)
|
|
|
- * EOF
|
|
|
- ...then there is a parse error. Emit a U+003C LESS-THAN SIGN character
|
|
|
- token, a U+002F SOLIDUS character token, and switch to the data state
|
|
|
- to process the next input character. */
|
|
|
- $this->emitToken(array(
|
|
|
- 'type' => self::CHARACTR,
|
|
|
- 'data' => '</'
|
|
|
- ));
|
|
|
-
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Otherwise, if the content model flag is set to the PCDATA state,
|
|
|
- or if the next few characters do match that tag name, consume the
|
|
|
- next input character: */
|
|
|
- $this->char++;
|
|
|
- $char = $this->char();
|
|
|
-
|
|
|
- if(preg_match('/^[A-Za-z]$/', $char)) {
|
|
|
- /* U+0041 LATIN LETTER A through to U+005A LATIN LETTER Z
|
|
|
- Create a new end tag token, set its tag name to the lowercase version
|
|
|
- of the input character (add 0x0020 to the character's code point), then
|
|
|
- switch to the tag name state. (Don't emit the token yet; further details
|
|
|
- will be filled in before it is emitted.) */
|
|
|
- $this->token = array(
|
|
|
- 'name' => strtolower($char),
|
|
|
- 'type' => self::ENDTAG
|
|
|
- );
|
|
|
-
|
|
|
- $this->state = 'tagName';
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- /* U+003E GREATER-THAN SIGN (>)
|
|
|
- Parse error. Switch to the data state. */
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- /* EOF
|
|
|
- Parse error. Emit a U+003C LESS-THAN SIGN character token and a U+002F
|
|
|
- SOLIDUS character token. Reconsume the EOF character in the data state. */
|
|
|
- $this->emitToken(array(
|
|
|
- 'type' => self::CHARACTR,
|
|
|
- 'data' => '</'
|
|
|
- ));
|
|
|
-
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Parse error. Switch to the bogus comment state. */
|
|
|
- $this->state = 'bogusComment';
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function tagNameState() {
|
|
|
- // Consume the next input character:
|
|
|
- $this->char++;
|
|
|
- $char = $this->character($this->char);
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- /* U+0009 CHARACTER TABULATION
|
|
|
- U+000A LINE FEED (LF)
|
|
|
- U+000B LINE TABULATION
|
|
|
- U+000C FORM FEED (FF)
|
|
|
- U+0020 SPACE
|
|
|
- Switch to the before attribute name state. */
|
|
|
- $this->state = 'beforeAttributeName';
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- /* U+003E GREATER-THAN SIGN (>)
|
|
|
- Emit the current tag token. Switch to the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- /* EOF
|
|
|
- Parse error. Emit the current tag token. Reconsume the EOF
|
|
|
- character in the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
-
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($char === '/') {
|
|
|
- /* U+002F SOLIDUS (/)
|
|
|
- Parse error unless this is a permitted slash. Switch to the before
|
|
|
- attribute name state. */
|
|
|
- $this->state = 'beforeAttributeName';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Anything else
|
|
|
- Append the current input character to the current tag token's tag name.
|
|
|
- Stay in the tag name state. */
|
|
|
- $this->token['name'] .= strtolower($char);
|
|
|
- $this->state = 'tagName';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function beforeAttributeNameState() {
|
|
|
- // Consume the next input character:
|
|
|
- $this->char++;
|
|
|
- $char = $this->character($this->char);
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- /* U+0009 CHARACTER TABULATION
|
|
|
- U+000A LINE FEED (LF)
|
|
|
- U+000B LINE TABULATION
|
|
|
- U+000C FORM FEED (FF)
|
|
|
- U+0020 SPACE
|
|
|
- Stay in the before attribute name state. */
|
|
|
- $this->state = 'beforeAttributeName';
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- /* U+003E GREATER-THAN SIGN (>)
|
|
|
- Emit the current tag token. Switch to the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($char === '/') {
|
|
|
- /* U+002F SOLIDUS (/)
|
|
|
- Parse error unless this is a permitted slash. Stay in the before
|
|
|
- attribute name state. */
|
|
|
- $this->state = 'beforeAttributeName';
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- /* EOF
|
|
|
- Parse error. Emit the current tag token. Reconsume the EOF
|
|
|
- character in the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
-
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Anything else
|
|
|
- Start a new attribute in the current tag token. Set that attribute's
|
|
|
- name to the current input character, and its value to the empty string.
|
|
|
- Switch to the attribute name state. */
|
|
|
- $this->token['attr'][] = array(
|
|
|
- 'name' => strtolower($char),
|
|
|
- 'value' => null
|
|
|
- );
|
|
|
-
|
|
|
- $this->state = 'attributeName';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function attributeNameState() {
|
|
|
- // Consume the next input character:
|
|
|
- $this->char++;
|
|
|
- $char = $this->character($this->char);
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- /* U+0009 CHARACTER TABULATION
|
|
|
- U+000A LINE FEED (LF)
|
|
|
- U+000B LINE TABULATION
|
|
|
- U+000C FORM FEED (FF)
|
|
|
- U+0020 SPACE
|
|
|
- Stay in the before attribute name state. */
|
|
|
- $this->state = 'afterAttributeName';
|
|
|
-
|
|
|
- } elseif($char === '=') {
|
|
|
- /* U+003D EQUALS SIGN (=)
|
|
|
- Switch to the before attribute value state. */
|
|
|
- $this->state = 'beforeAttributeValue';
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- /* U+003E GREATER-THAN SIGN (>)
|
|
|
- Emit the current tag token. Switch to the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($char === '/' && $this->character($this->char + 1) !== '>') {
|
|
|
- /* U+002F SOLIDUS (/)
|
|
|
- Parse error unless this is a permitted slash. Switch to the before
|
|
|
- attribute name state. */
|
|
|
- $this->state = 'beforeAttributeName';
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- /* EOF
|
|
|
- Parse error. Emit the current tag token. Reconsume the EOF
|
|
|
- character in the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
-
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Anything else
|
|
|
- Append the current input character to the current attribute's name.
|
|
|
- Stay in the attribute name state. */
|
|
|
- $last = count($this->token['attr']) - 1;
|
|
|
- $this->token['attr'][$last]['name'] .= strtolower($char);
|
|
|
-
|
|
|
- $this->state = 'attributeName';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function afterAttributeNameState() {
|
|
|
- // Consume the next input character:
|
|
|
- $this->char++;
|
|
|
- $char = $this->character($this->char);
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- /* U+0009 CHARACTER TABULATION
|
|
|
- U+000A LINE FEED (LF)
|
|
|
- U+000B LINE TABULATION
|
|
|
- U+000C FORM FEED (FF)
|
|
|
- U+0020 SPACE
|
|
|
- Stay in the after attribute name state. */
|
|
|
- $this->state = 'afterAttributeName';
|
|
|
-
|
|
|
- } elseif($char === '=') {
|
|
|
- /* U+003D EQUALS SIGN (=)
|
|
|
- Switch to the before attribute value state. */
|
|
|
- $this->state = 'beforeAttributeValue';
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- /* U+003E GREATER-THAN SIGN (>)
|
|
|
- Emit the current tag token. Switch to the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($char === '/' && $this->character($this->char + 1) !== '>') {
|
|
|
- /* U+002F SOLIDUS (/)
|
|
|
- Parse error unless this is a permitted slash. Switch to the
|
|
|
- before attribute name state. */
|
|
|
- $this->state = 'beforeAttributeName';
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- /* EOF
|
|
|
- Parse error. Emit the current tag token. Reconsume the EOF
|
|
|
- character in the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
-
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Anything else
|
|
|
- Start a new attribute in the current tag token. Set that attribute's
|
|
|
- name to the current input character, and its value to the empty string.
|
|
|
- Switch to the attribute name state. */
|
|
|
- $this->token['attr'][] = array(
|
|
|
- 'name' => strtolower($char),
|
|
|
- 'value' => null
|
|
|
- );
|
|
|
-
|
|
|
- $this->state = 'attributeName';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function beforeAttributeValueState() {
|
|
|
- // Consume the next input character:
|
|
|
- $this->char++;
|
|
|
- $char = $this->character($this->char);
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- /* U+0009 CHARACTER TABULATION
|
|
|
- U+000A LINE FEED (LF)
|
|
|
- U+000B LINE TABULATION
|
|
|
- U+000C FORM FEED (FF)
|
|
|
- U+0020 SPACE
|
|
|
- Stay in the before attribute value state. */
|
|
|
- $this->state = 'beforeAttributeValue';
|
|
|
-
|
|
|
- } elseif($char === '"') {
|
|
|
- /* U+0022 QUOTATION MARK (")
|
|
|
- Switch to the attribute value (double-quoted) state. */
|
|
|
- $this->state = 'attributeValueDoubleQuoted';
|
|
|
-
|
|
|
- } elseif($char === '&') {
|
|
|
- /* U+0026 AMPERSAND (&)
|
|
|
- Switch to the attribute value (unquoted) state and reconsume
|
|
|
- this input character. */
|
|
|
- $this->char--;
|
|
|
- $this->state = 'attributeValueUnquoted';
|
|
|
-
|
|
|
- } elseif($char === '\'') {
|
|
|
- /* U+0027 APOSTROPHE (')
|
|
|
- Switch to the attribute value (single-quoted) state. */
|
|
|
- $this->state = 'attributeValueSingleQuoted';
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- /* U+003E GREATER-THAN SIGN (>)
|
|
|
- Emit the current tag token. Switch to the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Anything else
|
|
|
- Append the current input character to the current attribute's value.
|
|
|
- Switch to the attribute value (unquoted) state. */
|
|
|
- $last = count($this->token['attr']) - 1;
|
|
|
- $this->token['attr'][$last]['value'] .= $char;
|
|
|
-
|
|
|
- $this->state = 'attributeValueUnquoted';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function attributeValueDoubleQuotedState() {
|
|
|
- // Consume the next input character:
|
|
|
- $this->char++;
|
|
|
- $char = $this->character($this->char);
|
|
|
-
|
|
|
- if($char === '"') {
|
|
|
- /* U+0022 QUOTATION MARK (")
|
|
|
- Switch to the before attribute name state. */
|
|
|
- $this->state = 'beforeAttributeName';
|
|
|
-
|
|
|
- } elseif($char === '&') {
|
|
|
- /* U+0026 AMPERSAND (&)
|
|
|
- Switch to the entity in attribute value state. */
|
|
|
- $this->entityInAttributeValueState('double');
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- /* EOF
|
|
|
- Parse error. Emit the current tag token. Reconsume the character
|
|
|
- in the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
-
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Anything else
|
|
|
- Append the current input character to the current attribute's value.
|
|
|
- Stay in the attribute value (double-quoted) state. */
|
|
|
- $last = count($this->token['attr']) - 1;
|
|
|
- $this->token['attr'][$last]['value'] .= $char;
|
|
|
-
|
|
|
- $this->state = 'attributeValueDoubleQuoted';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function attributeValueSingleQuotedState() {
|
|
|
- // Consume the next input character:
|
|
|
- $this->char++;
|
|
|
- $char = $this->character($this->char);
|
|
|
-
|
|
|
- if($char === '\'') {
|
|
|
- /* U+0022 QUOTATION MARK (')
|
|
|
- Switch to the before attribute name state. */
|
|
|
- $this->state = 'beforeAttributeName';
|
|
|
-
|
|
|
- } elseif($char === '&') {
|
|
|
- /* U+0026 AMPERSAND (&)
|
|
|
- Switch to the entity in attribute value state. */
|
|
|
- $this->entityInAttributeValueState('single');
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- /* EOF
|
|
|
- Parse error. Emit the current tag token. Reconsume the character
|
|
|
- in the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
-
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Anything else
|
|
|
- Append the current input character to the current attribute's value.
|
|
|
- Stay in the attribute value (single-quoted) state. */
|
|
|
- $last = count($this->token['attr']) - 1;
|
|
|
- $this->token['attr'][$last]['value'] .= $char;
|
|
|
-
|
|
|
- $this->state = 'attributeValueSingleQuoted';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function attributeValueUnquotedState() {
|
|
|
- // Consume the next input character:
|
|
|
- $this->char++;
|
|
|
- $char = $this->character($this->char);
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- /* U+0009 CHARACTER TABULATION
|
|
|
- U+000A LINE FEED (LF)
|
|
|
- U+000B LINE TABULATION
|
|
|
- U+000C FORM FEED (FF)
|
|
|
- U+0020 SPACE
|
|
|
- Switch to the before attribute name state. */
|
|
|
- $this->state = 'beforeAttributeName';
|
|
|
-
|
|
|
- } elseif($char === '&') {
|
|
|
- /* U+0026 AMPERSAND (&)
|
|
|
- Switch to the entity in attribute value state. */
|
|
|
- $this->entityInAttributeValueState();
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- /* U+003E GREATER-THAN SIGN (>)
|
|
|
- Emit the current tag token. Switch to the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Anything else
|
|
|
- Append the current input character to the current attribute's value.
|
|
|
- Stay in the attribute value (unquoted) state. */
|
|
|
- $last = count($this->token['attr']) - 1;
|
|
|
- $this->token['attr'][$last]['value'] .= $char;
|
|
|
-
|
|
|
- $this->state = 'attributeValueUnquoted';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function entityInAttributeValueState() {
|
|
|
- // Attempt to consume an entity.
|
|
|
- $entity = $this->entity();
|
|
|
-
|
|
|
- // If nothing is returned, append a U+0026 AMPERSAND character to the
|
|
|
- // current attribute's value. Otherwise, emit the character token that
|
|
|
- // was returned.
|
|
|
- $char = (!$entity)
|
|
|
- ? '&'
|
|
|
- : $entity;
|
|
|
-
|
|
|
- $last = count($this->token['attr']) - 1;
|
|
|
- $this->token['attr'][$last]['value'] .= $char;
|
|
|
- }
|
|
|
-
|
|
|
- private function bogusCommentState() {
|
|
|
- /* Consume every character up to the first U+003E GREATER-THAN SIGN
|
|
|
- character (>) or the end of the file (EOF), whichever comes first. Emit
|
|
|
- a comment token whose data is the concatenation of all the characters
|
|
|
- starting from and including the character that caused the state machine
|
|
|
- to switch into the bogus comment state, up to and including the last
|
|
|
- consumed character before the U+003E character, if any, or up to the
|
|
|
- end of the file otherwise. (If the comment was started by the end of
|
|
|
- the file (EOF), the token is empty.) */
|
|
|
- $data = $this->characters('^>', $this->char);
|
|
|
- $this->emitToken(array(
|
|
|
- 'data' => $data,
|
|
|
- 'type' => self::COMMENT
|
|
|
- ));
|
|
|
-
|
|
|
- $this->char += strlen($data);
|
|
|
-
|
|
|
- /* Switch to the data state. */
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- /* If the end of the file was reached, reconsume the EOF character. */
|
|
|
- if($this->char === $this->EOF) {
|
|
|
- $this->char = $this->EOF - 1;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function markupDeclarationOpenState() {
|
|
|
- /* If the next two characters are both U+002D HYPHEN-MINUS (-)
|
|
|
- characters, consume those two characters, create a comment token whose
|
|
|
- data is the empty string, and switch to the comment state. */
|
|
|
- if($this->character($this->char + 1, 2) === '--') {
|
|
|
- $this->char += 2;
|
|
|
- $this->state = 'comment';
|
|
|
- $this->token = array(
|
|
|
- 'data' => null,
|
|
|
- 'type' => self::COMMENT
|
|
|
- );
|
|
|
-
|
|
|
- /* Otherwise if the next seven chacacters are a case-insensitive match
|
|
|
- for the word "DOCTYPE", then consume those characters and switch to the
|
|
|
- DOCTYPE state. */
|
|
|
- } elseif(strtolower($this->character($this->char + 1, 7)) === 'doctype') {
|
|
|
- $this->char += 7;
|
|
|
- $this->state = 'doctype';
|
|
|
-
|
|
|
- /* Otherwise, is is a parse error. Switch to the bogus comment state.
|
|
|
- The next character that is consumed, if any, is the first character
|
|
|
- that will be in the comment. */
|
|
|
- } else {
|
|
|
- $this->char++;
|
|
|
- $this->state = 'bogusComment';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function commentState() {
|
|
|
- /* Consume the next input character: */
|
|
|
- $this->char++;
|
|
|
- $char = $this->char();
|
|
|
-
|
|
|
- /* U+002D HYPHEN-MINUS (-) */
|
|
|
- if($char === '-') {
|
|
|
- /* Switch to the comment dash state */
|
|
|
- $this->state = 'commentDash';
|
|
|
-
|
|
|
- /* EOF */
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- /* Parse error. Emit the comment token. Reconsume the EOF character
|
|
|
- in the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Append the input character to the comment token's data. Stay in
|
|
|
- the comment state. */
|
|
|
- $this->token['data'] .= $char;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function commentDashState() {
|
|
|
- /* Consume the next input character: */
|
|
|
- $this->char++;
|
|
|
- $char = $this->char();
|
|
|
-
|
|
|
- /* U+002D HYPHEN-MINUS (-) */
|
|
|
- if($char === '-') {
|
|
|
- /* Switch to the comment end state */
|
|
|
- $this->state = 'commentEnd';
|
|
|
-
|
|
|
- /* EOF */
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- /* Parse error. Emit the comment token. Reconsume the EOF character
|
|
|
- in the data state. */
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Append a U+002D HYPHEN-MINUS (-) character and the input
|
|
|
- character to the comment token's data. Switch to the comment state. */
|
|
|
- $this->token['data'] .= '-'.$char;
|
|
|
- $this->state = 'comment';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function commentEndState() {
|
|
|
- /* Consume the next input character: */
|
|
|
- $this->char++;
|
|
|
- $char = $this->char();
|
|
|
-
|
|
|
- if($char === '>') {
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($char === '-') {
|
|
|
- $this->token['data'] .= '-';
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- $this->token['data'] .= '--'.$char;
|
|
|
- $this->state = 'comment';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function doctypeState() {
|
|
|
- /* Consume the next input character: */
|
|
|
- $this->char++;
|
|
|
- $char = $this->char();
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- $this->state = 'beforeDoctypeName';
|
|
|
-
|
|
|
- } else {
|
|
|
- $this->char--;
|
|
|
- $this->state = 'beforeDoctypeName';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function beforeDoctypeNameState() {
|
|
|
- /* Consume the next input character: */
|
|
|
- $this->char++;
|
|
|
- $char = $this->char();
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- // Stay in the before DOCTYPE name state.
|
|
|
-
|
|
|
- } elseif(preg_match('/^[a-z]$/', $char)) {
|
|
|
- $this->token = array(
|
|
|
- 'name' => strtoupper($char),
|
|
|
- 'type' => self::DOCTYPE,
|
|
|
- 'error' => true
|
|
|
- );
|
|
|
-
|
|
|
- $this->state = 'doctypeName';
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => null,
|
|
|
- 'type' => self::DOCTYPE,
|
|
|
- 'error' => true
|
|
|
- ));
|
|
|
-
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => null,
|
|
|
- 'type' => self::DOCTYPE,
|
|
|
- 'error' => true
|
|
|
- ));
|
|
|
-
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- $this->token = array(
|
|
|
- 'name' => $char,
|
|
|
- 'type' => self::DOCTYPE,
|
|
|
- 'error' => true
|
|
|
- );
|
|
|
-
|
|
|
- $this->state = 'doctypeName';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function doctypeNameState() {
|
|
|
- /* Consume the next input character: */
|
|
|
- $this->char++;
|
|
|
- $char = $this->char();
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- $this->state = 'AfterDoctypeName';
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif(preg_match('/^[a-z]$/', $char)) {
|
|
|
- $this->token['name'] .= strtoupper($char);
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- $this->token['name'] .= $char;
|
|
|
- }
|
|
|
-
|
|
|
- $this->token['error'] = ($this->token['name'] === 'HTML')
|
|
|
- ? false
|
|
|
- : true;
|
|
|
- }
|
|
|
-
|
|
|
- private function afterDoctypeNameState() {
|
|
|
- /* Consume the next input character: */
|
|
|
- $this->char++;
|
|
|
- $char = $this->char();
|
|
|
-
|
|
|
- if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
- // Stay in the DOCTYPE name state.
|
|
|
-
|
|
|
- } elseif($char === '>') {
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- $this->token['error'] = true;
|
|
|
- $this->state = 'bogusDoctype';
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function bogusDoctypeState() {
|
|
|
- /* Consume the next input character: */
|
|
|
- $this->char++;
|
|
|
- $char = $this->char();
|
|
|
-
|
|
|
- if($char === '>') {
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } elseif($this->char === $this->EOF) {
|
|
|
- $this->emitToken($this->token);
|
|
|
- $this->char--;
|
|
|
- $this->state = 'data';
|
|
|
-
|
|
|
- } else {
|
|
|
- // Stay in the bogus DOCTYPE state.
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function entity() {
|
|
|
- $start = $this->char;
|
|
|
-
|
|
|
- // This section defines how to consume an entity. This definition is
|
|
|
- // used when parsing entities in text and in attributes.
|
|
|
-
|
|
|
- // The behaviour depends on the identity of the next character (the
|
|
|
- // one immediately after the U+0026 AMPERSAND character):
|
|
|
-
|
|
|
- switch($this->character($this->char + 1)) {
|
|
|
- // U+0023 NUMBER SIGN (#)
|
|
|
- case '#':
|
|
|
-
|
|
|
- // The behaviour further depends on the character after the
|
|
|
- // U+0023 NUMBER SIGN:
|
|
|
- switch($this->character($this->char + 1)) {
|
|
|
- // U+0078 LATIN SMALL LETTER X
|
|
|
- // U+0058 LATIN CAPITAL LETTER X
|
|
|
- case 'x':
|
|
|
- case 'X':
|
|
|
- // Follow the steps below, but using the range of
|
|
|
- // characters U+0030 DIGIT ZERO through to U+0039 DIGIT
|
|
|
- // NINE, U+0061 LATIN SMALL LETTER A through to U+0066
|
|
|
- // LATIN SMALL LETTER F, and U+0041 LATIN CAPITAL LETTER
|
|
|
- // A, through to U+0046 LATIN CAPITAL LETTER F (in other
|
|
|
- // words, 0-9, A-F, a-f).
|
|
|
- $char = 1;
|
|
|
- $char_class = '0-9A-Fa-f';
|
|
|
- break;
|
|
|
-
|
|
|
- // Anything else
|
|
|
- default:
|
|
|
- // Follow the steps below, but using the range of
|
|
|
- // characters U+0030 DIGIT ZERO through to U+0039 DIGIT
|
|
|
- // NINE (i.e. just 0-9).
|
|
|
- $char = 0;
|
|
|
- $char_class = '0-9';
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- // Consume as many characters as match the range of characters
|
|
|
- // given above.
|
|
|
- $this->char++;
|
|
|
- $e_name = $this->characters($char_class, $this->char + $char + 1);
|
|
|
- $entity = $this->character($start, $this->char);
|
|
|
- $cond = strlen($e_name) > 0;
|
|
|
-
|
|
|
- // The rest of the parsing happens bellow.
|
|
|
- break;
|
|
|
-
|
|
|
- // Anything else
|
|
|
- default:
|
|
|
- // Consume the maximum number of characters possible, with the
|
|
|
- // consumed characters case-sensitively matching one of the
|
|
|
- // identifiers in the first column of the entities table.
|
|
|
- $e_name = $this->characters('0-9A-Za-z;', $this->char + 1);
|
|
|
- $len = strlen($e_name);
|
|
|
-
|
|
|
- for($c = 1; $c <= $len; $c++) {
|
|
|
- $id = substr($e_name, 0, $c);
|
|
|
- $this->char++;
|
|
|
-
|
|
|
- if(in_array($id, $this->entities)) {
|
|
|
- if ($e_name[$c-1] !== ';') {
|
|
|
- if ($c < $len && $e_name[$c] == ';') {
|
|
|
- $this->char++; // consume extra semicolon
|
|
|
- }
|
|
|
- }
|
|
|
- $entity = $id;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- $cond = isset($entity);
|
|
|
- // The rest of the parsing happens bellow.
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if(!$cond) {
|
|
|
- // If no match can be made, then this is a parse error. No
|
|
|
- // characters are consumed, and nothing is returned.
|
|
|
- $this->char = $start;
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- // Return a character token for the character corresponding to the
|
|
|
- // entity name (as given by the second column of the entities table).
|
|
|
- return html_entity_decode('&'.$entity.';', ENT_QUOTES, 'UTF-8');
|
|
|
- }
|
|
|
-
|
|
|
- private function emitToken($token) {
|
|
|
- $emit = $this->tree->emitToken($token);
|
|
|
-
|
|
|
- if(is_int($emit)) {
|
|
|
- $this->content_model = $emit;
|
|
|
-
|
|
|
- } elseif($token['type'] === self::ENDTAG) {
|
|
|
- $this->content_model = self::PCDATA;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function EOF() {
|
|
|
- $this->state = null;
|
|
|
- $this->tree->emitToken(array(
|
|
|
- 'type' => self::EOF
|
|
|
- ));
|
|
|
- }
|
|
|
-}
|
|
|
-
|
|
|
-class HTML5TreeConstructer {
|
|
|
- public $stack = array();
|
|
|
-
|
|
|
- private $phase;
|
|
|
- private $mode;
|
|
|
- private $dom;
|
|
|
- private $foster_parent = null;
|
|
|
- private $a_formatting = array();
|
|
|
-
|
|
|
- private $head_pointer = null;
|
|
|
- private $form_pointer = null;
|
|
|
-
|
|
|
- private $scoping = array('button','caption','html','marquee','object','table','td','th');
|
|
|
- private $formatting = array('a','b','big','em','font','i','nobr','s','small','strike','strong','tt','u');
|
|
|
- private $special = array('address','area','base','basefont','bgsound',
|
|
|
- 'blockquote','body','br','center','col','colgroup','dd','dir','div','dl',
|
|
|
- 'dt','embed','fieldset','form','frame','frameset','h1','h2','h3','h4','h5',
|
|
|
- 'h6','head','hr','iframe','image','img','input','isindex','li','link',
|
|
|
- 'listing','menu','meta','noembed','noframes','noscript','ol','optgroup',
|
|
|
- 'option','p','param','plaintext','pre','script','select','spacer','style',
|
|
|
- 'tbody','textarea','tfoot','thead','title','tr','ul','wbr');
|
|
|
-
|
|
|
- // The different phases.
|
|
|
- const INIT_PHASE = 0;
|
|
|
- const ROOT_PHASE = 1;
|
|
|
- const MAIN_PHASE = 2;
|
|
|
- const END_PHASE = 3;
|
|
|
-
|
|
|
- // The different insertion modes for the main phase.
|
|
|
- const BEFOR_HEAD = 0;
|
|
|
- const IN_HEAD = 1;
|
|
|
- const AFTER_HEAD = 2;
|
|
|
- const IN_BODY = 3;
|
|
|
- const IN_TABLE = 4;
|
|
|
- const IN_CAPTION = 5;
|
|
|
- const IN_CGROUP = 6;
|
|
|
- const IN_TBODY = 7;
|
|
|
- const IN_ROW = 8;
|
|
|
- const IN_CELL = 9;
|
|
|
- const IN_SELECT = 10;
|
|
|
- const AFTER_BODY = 11;
|
|
|
- const IN_FRAME = 12;
|
|
|
- const AFTR_FRAME = 13;
|
|
|
-
|
|
|
- // The different types of elements.
|
|
|
- const SPECIAL = 0;
|
|
|
- const SCOPING = 1;
|
|
|
- const FORMATTING = 2;
|
|
|
- const PHRASING = 3;
|
|
|
-
|
|
|
- const MARKER = 0;
|
|
|
-
|
|
|
- public function __construct() {
|
|
|
- $this->phase = self::INIT_PHASE;
|
|
|
- $this->mode = self::BEFOR_HEAD;
|
|
|
- $this->dom = new DOMDocument;
|
|
|
-
|
|
|
- $this->dom->encoding = 'UTF-8';
|
|
|
- $this->dom->preserveWhiteSpace = true;
|
|
|
- $this->dom->substituteEntities = true;
|
|
|
- $this->dom->strictErrorChecking = false;
|
|
|
- }
|
|
|
-
|
|
|
- // Process tag tokens
|
|
|
- public function emitToken($token) {
|
|
|
- switch($this->phase) {
|
|
|
- case self::INIT_PHASE: return $this->initPhase($token); break;
|
|
|
- case self::ROOT_PHASE: return $this->rootElementPhase($token); break;
|
|
|
- case self::MAIN_PHASE: return $this->mainPhase($token); break;
|
|
|
- case self::END_PHASE : return $this->trailingEndPhase($token); break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function initPhase($token) {
|
|
|
- /* Initially, the tree construction stage must handle each token
|
|
|
- emitted from the tokenisation stage as follows: */
|
|
|
-
|
|
|
- /* A DOCTYPE token that is marked as being in error
|
|
|
- A comment token
|
|
|
- A start tag token
|
|
|
- An end tag token
|
|
|
- A character token that is not one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE
|
|
|
- An end-of-file token */
|
|
|
- if((isset($token['error']) && $token['error']) ||
|
|
|
- $token['type'] === HTML5::COMMENT ||
|
|
|
- $token['type'] === HTML5::STARTTAG ||
|
|
|
- $token['type'] === HTML5::ENDTAG ||
|
|
|
- $token['type'] === HTML5::EOF ||
|
|
|
- ($token['type'] === HTML5::CHARACTR && isset($token['data']) &&
|
|
|
- !preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data']))) {
|
|
|
- /* This specification does not define how to handle this case. In
|
|
|
- particular, user agents may ignore the entirety of this specification
|
|
|
- altogether for such documents, and instead invoke special parse modes
|
|
|
- with a greater emphasis on backwards compatibility. */
|
|
|
-
|
|
|
- $this->phase = self::ROOT_PHASE;
|
|
|
- return $this->rootElementPhase($token);
|
|
|
-
|
|
|
- /* A DOCTYPE token marked as being correct */
|
|
|
- } elseif(isset($token['error']) && !$token['error']) {
|
|
|
- /* Append a DocumentType node to the Document node, with the name
|
|
|
- attribute set to the name given in the DOCTYPE token (which will be
|
|
|
- "HTML"), and the other attributes specific to DocumentType objects
|
|
|
- set to null, empty lists, or the empty string as appropriate. */
|
|
|
- $doctype = new DOMDocumentType(null, null, 'HTML');
|
|
|
-
|
|
|
- /* Then, switch to the root element phase of the tree construction
|
|
|
- stage. */
|
|
|
- $this->phase = self::ROOT_PHASE;
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE */
|
|
|
- } elseif(isset($token['data']) && preg_match('/^[\t\n\x0b\x0c ]+$/',
|
|
|
- $token['data'])) {
|
|
|
- /* Append that character to the Document node. */
|
|
|
- $text = $this->dom->createTextNode($token['data']);
|
|
|
- $this->dom->appendChild($text);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function rootElementPhase($token) {
|
|
|
- /* After the initial phase, as each token is emitted from the tokenisation
|
|
|
- stage, it must be processed as described in this section. */
|
|
|
-
|
|
|
- /* A DOCTYPE token */
|
|
|
- if($token['type'] === HTML5::DOCTYPE) {
|
|
|
- // Parse error. Ignore the token.
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the Document object with the data
|
|
|
- attribute set to the data given in the comment token. */
|
|
|
- $comment = $this->dom->createComment($token['data']);
|
|
|
- $this->dom->appendChild($comment);
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE */
|
|
|
- } elseif($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
- /* Append that character to the Document node. */
|
|
|
- $text = $this->dom->createTextNode($token['data']);
|
|
|
- $this->dom->appendChild($text);
|
|
|
-
|
|
|
- /* A character token that is not one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED
|
|
|
- (FF), or U+0020 SPACE
|
|
|
- A start tag token
|
|
|
- An end tag token
|
|
|
- An end-of-file token */
|
|
|
- } elseif(($token['type'] === HTML5::CHARACTR &&
|
|
|
- !preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) ||
|
|
|
- $token['type'] === HTML5::STARTTAG ||
|
|
|
- $token['type'] === HTML5::ENDTAG ||
|
|
|
- $token['type'] === HTML5::EOF) {
|
|
|
- /* Create an HTMLElement node with the tag name html, in the HTML
|
|
|
- namespace. Append it to the Document object. Switch to the main
|
|
|
- phase and reprocess the current token. */
|
|
|
- $html = $this->dom->createElement('html');
|
|
|
- $this->dom->appendChild($html);
|
|
|
- $this->stack[] = $html;
|
|
|
-
|
|
|
- $this->phase = self::MAIN_PHASE;
|
|
|
- return $this->mainPhase($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function mainPhase($token) {
|
|
|
- /* Tokens in the main phase must be handled as follows: */
|
|
|
-
|
|
|
- /* A DOCTYPE token */
|
|
|
- if($token['type'] === HTML5::DOCTYPE) {
|
|
|
- // Parse error. Ignore the token.
|
|
|
-
|
|
|
- /* A start tag token with the tag name "html" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'html') {
|
|
|
- /* If this start tag token was not the first start tag token, then
|
|
|
- it is a parse error. */
|
|
|
-
|
|
|
- /* For each attribute on the token, check to see if the attribute
|
|
|
- is already present on the top element of the stack of open elements.
|
|
|
- If it is not, add the attribute and its corresponding value to that
|
|
|
- element. */
|
|
|
- foreach($token['attr'] as $attr) {
|
|
|
- if(!$this->stack[0]->hasAttribute($attr['name'])) {
|
|
|
- $this->stack[0]->setAttribute($attr['name'], $attr['value']);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* An end-of-file token */
|
|
|
- } elseif($token['type'] === HTML5::EOF) {
|
|
|
- /* Generate implied end tags. */
|
|
|
- $this->generateImpliedEndTags();
|
|
|
-
|
|
|
- /* Anything else. */
|
|
|
- } else {
|
|
|
- /* Depends on the insertion mode: */
|
|
|
- switch($this->mode) {
|
|
|
- case self::BEFOR_HEAD: return $this->beforeHead($token); break;
|
|
|
- case self::IN_HEAD: return $this->inHead($token); break;
|
|
|
- case self::AFTER_HEAD: return $this->afterHead($token); break;
|
|
|
- case self::IN_BODY: return $this->inBody($token); break;
|
|
|
- case self::IN_TABLE: return $this->inTable($token); break;
|
|
|
- case self::IN_CAPTION: return $this->inCaption($token); break;
|
|
|
- case self::IN_CGROUP: return $this->inColumnGroup($token); break;
|
|
|
- case self::IN_TBODY: return $this->inTableBody($token); break;
|
|
|
- case self::IN_ROW: return $this->inRow($token); break;
|
|
|
- case self::IN_CELL: return $this->inCell($token); break;
|
|
|
- case self::IN_SELECT: return $this->inSelect($token); break;
|
|
|
- case self::AFTER_BODY: return $this->afterBody($token); break;
|
|
|
- case self::IN_FRAME: return $this->inFrameset($token); break;
|
|
|
- case self::AFTR_FRAME: return $this->afterFrameset($token); break;
|
|
|
- case self::END_PHASE: return $this->trailingEndPhase($token); break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function beforeHead($token) {
|
|
|
- /* Handle the token as follows: */
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE */
|
|
|
- if($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
- /* Append the character to the current node. */
|
|
|
- $this->insertText($token['data']);
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the current node with the data attribute
|
|
|
- set to the data given in the comment token. */
|
|
|
- $this->insertComment($token['data']);
|
|
|
-
|
|
|
- /* A start tag token with the tag name "head" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'head') {
|
|
|
- /* Create an element for the token, append the new element to the
|
|
|
- current node and push it onto the stack of open elements. */
|
|
|
- $element = $this->insertElement($token);
|
|
|
-
|
|
|
- /* Set the head element pointer to this new element node. */
|
|
|
- $this->head_pointer = $element;
|
|
|
-
|
|
|
- /* Change the insertion mode to "in head". */
|
|
|
- $this->mode = self::IN_HEAD;
|
|
|
-
|
|
|
- /* A start tag token whose tag name is one of: "base", "link", "meta",
|
|
|
- "script", "style", "title". Or an end tag with the tag name "html".
|
|
|
- Or a character token that is not one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE. Or any other start tag token */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG ||
|
|
|
- ($token['type'] === HTML5::ENDTAG && $token['name'] === 'html') ||
|
|
|
- ($token['type'] === HTML5::CHARACTR && !preg_match('/^[\t\n\x0b\x0c ]$/',
|
|
|
- $token['data']))) {
|
|
|
- /* Act as if a start tag token with the tag name "head" and no
|
|
|
- attributes had been seen, then reprocess the current token. */
|
|
|
- $this->beforeHead(array(
|
|
|
- 'name' => 'head',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => array()
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->inHead($token);
|
|
|
-
|
|
|
- /* Any other end tag */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG) {
|
|
|
- /* Parse error. Ignore the token. */
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inHead($token) {
|
|
|
- /* Handle the token as follows: */
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE.
|
|
|
-
|
|
|
- THIS DIFFERS FROM THE SPEC: If the current node is either a title, style
|
|
|
- or script element, append the character to the current node regardless
|
|
|
- of its content. */
|
|
|
- if(($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) || (
|
|
|
- $token['type'] === HTML5::CHARACTR && in_array(end($this->stack)->nodeName,
|
|
|
- array('title', 'style', 'script')))) {
|
|
|
- /* Append the character to the current node. */
|
|
|
- $this->insertText($token['data']);
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the current node with the data attribute
|
|
|
- set to the data given in the comment token. */
|
|
|
- $this->insertComment($token['data']);
|
|
|
-
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
- in_array($token['name'], array('title', 'style', 'script'))) {
|
|
|
- array_pop($this->stack);
|
|
|
- return HTML5::PCDATA;
|
|
|
-
|
|
|
- /* A start tag with the tag name "title" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'title') {
|
|
|
- /* Create an element for the token and append the new element to the
|
|
|
- node pointed to by the head element pointer, or, if that is null
|
|
|
- (innerHTML case), to the current node. */
|
|
|
- if($this->head_pointer !== null) {
|
|
|
- $element = $this->insertElement($token, false);
|
|
|
- $this->head_pointer->appendChild($element);
|
|
|
-
|
|
|
- } else {
|
|
|
- $element = $this->insertElement($token);
|
|
|
- }
|
|
|
-
|
|
|
- /* Switch the tokeniser's content model flag to the RCDATA state. */
|
|
|
- return HTML5::RCDATA;
|
|
|
-
|
|
|
- /* A start tag with the tag name "style" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'style') {
|
|
|
- /* Create an element for the token and append the new element to the
|
|
|
- node pointed to by the head element pointer, or, if that is null
|
|
|
- (innerHTML case), to the current node. */
|
|
|
- if($this->head_pointer !== null) {
|
|
|
- $element = $this->insertElement($token, false);
|
|
|
- $this->head_pointer->appendChild($element);
|
|
|
-
|
|
|
- } else {
|
|
|
- $this->insertElement($token);
|
|
|
- }
|
|
|
-
|
|
|
- /* Switch the tokeniser's content model flag to the CDATA state. */
|
|
|
- return HTML5::CDATA;
|
|
|
-
|
|
|
- /* A start tag with the tag name "script" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'script') {
|
|
|
- /* Create an element for the token. */
|
|
|
- $element = $this->insertElement($token, false);
|
|
|
- $this->head_pointer->appendChild($element);
|
|
|
-
|
|
|
- /* Switch the tokeniser's content model flag to the CDATA state. */
|
|
|
- return HTML5::CDATA;
|
|
|
-
|
|
|
- /* A start tag with the tag name "base", "link", or "meta" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
- array('base', 'link', 'meta'))) {
|
|
|
- /* Create an element for the token and append the new element to the
|
|
|
- node pointed to by the head element pointer, or, if that is null
|
|
|
- (innerHTML case), to the current node. */
|
|
|
- if($this->head_pointer !== null) {
|
|
|
- $element = $this->insertElement($token, false);
|
|
|
- $this->head_pointer->appendChild($element);
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- } else {
|
|
|
- $this->insertElement($token);
|
|
|
- }
|
|
|
-
|
|
|
- /* An end tag with the tag name "head" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'head') {
|
|
|
- /* If the current node is a head element, pop the current node off
|
|
|
- the stack of open elements. */
|
|
|
- if($this->head_pointer->isSameNode(end($this->stack))) {
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- /* Otherwise, this is a parse error. */
|
|
|
- } else {
|
|
|
- // k
|
|
|
- }
|
|
|
-
|
|
|
- /* Change the insertion mode to "after head". */
|
|
|
- $this->mode = self::AFTER_HEAD;
|
|
|
-
|
|
|
- /* A start tag with the tag name "head" or an end tag except "html". */
|
|
|
- } elseif(($token['type'] === HTML5::STARTTAG && $token['name'] === 'head') ||
|
|
|
- ($token['type'] === HTML5::ENDTAG && $token['name'] !== 'html')) {
|
|
|
- // Parse error. Ignore the token.
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* If the current node is a head element, act as if an end tag
|
|
|
- token with the tag name "head" had been seen. */
|
|
|
- if($this->head_pointer->isSameNode(end($this->stack))) {
|
|
|
- $this->inHead(array(
|
|
|
- 'name' => 'head',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- /* Otherwise, change the insertion mode to "after head". */
|
|
|
- } else {
|
|
|
- $this->mode = self::AFTER_HEAD;
|
|
|
- }
|
|
|
-
|
|
|
- /* Then, reprocess the current token. */
|
|
|
- return $this->afterHead($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function afterHead($token) {
|
|
|
- /* Handle the token as follows: */
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE */
|
|
|
- if($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
- /* Append the character to the current node. */
|
|
|
- $this->insertText($token['data']);
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the current node with the data attribute
|
|
|
- set to the data given in the comment token. */
|
|
|
- $this->insertComment($token['data']);
|
|
|
-
|
|
|
- /* A start tag token with the tag name "body" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'body') {
|
|
|
- /* Insert a body element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Change the insertion mode to "in body". */
|
|
|
- $this->mode = self::IN_BODY;
|
|
|
-
|
|
|
- /* A start tag token with the tag name "frameset" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'frameset') {
|
|
|
- /* Insert a frameset element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Change the insertion mode to "in frameset". */
|
|
|
- $this->mode = self::IN_FRAME;
|
|
|
-
|
|
|
- /* A start tag token whose tag name is one of: "base", "link", "meta",
|
|
|
- "script", "style", "title" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
- array('base', 'link', 'meta', 'script', 'style', 'title'))) {
|
|
|
- /* Parse error. Switch the insertion mode back to "in head" and
|
|
|
- reprocess the token. */
|
|
|
- $this->mode = self::IN_HEAD;
|
|
|
- return $this->inHead($token);
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Act as if a start tag token with the tag name "body" and no
|
|
|
- attributes had been seen, and then reprocess the current token. */
|
|
|
- $this->afterHead(array(
|
|
|
- 'name' => 'body',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => array()
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->inBody($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inBody($token) {
|
|
|
- /* Handle the token as follows: */
|
|
|
-
|
|
|
- switch($token['type']) {
|
|
|
- /* A character token */
|
|
|
- case HTML5::CHARACTR:
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- /* Append the token's character to the current node. */
|
|
|
- $this->insertText($token['data']);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- case HTML5::COMMENT:
|
|
|
- /* Append a Comment node to the current node with the data
|
|
|
- attribute set to the data given in the comment token. */
|
|
|
- $this->insertComment($token['data']);
|
|
|
- break;
|
|
|
-
|
|
|
- case HTML5::STARTTAG:
|
|
|
- switch($token['name']) {
|
|
|
- /* A start tag token whose tag name is one of: "script",
|
|
|
- "style" */
|
|
|
- case 'script': case 'style':
|
|
|
- /* Process the token as if the insertion mode had been "in
|
|
|
- head". */
|
|
|
- return $this->inHead($token);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag token whose tag name is one of: "base", "link",
|
|
|
- "meta", "title" */
|
|
|
- case 'base': case 'link': case 'meta': case 'title':
|
|
|
- /* Parse error. Process the token as if the insertion mode
|
|
|
- had been "in head". */
|
|
|
- return $this->inHead($token);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag token with the tag name "body" */
|
|
|
- case 'body':
|
|
|
- /* Parse error. If the second element on the stack of open
|
|
|
- elements is not a body element, or, if the stack of open
|
|
|
- elements has only one node on it, then ignore the token.
|
|
|
- (innerHTML case) */
|
|
|
- if(count($this->stack) === 1 || $this->stack[1]->nodeName !== 'body') {
|
|
|
- // Ignore
|
|
|
-
|
|
|
- /* Otherwise, for each attribute on the token, check to see
|
|
|
- if the attribute is already present on the body element (the
|
|
|
- second element) on the stack of open elements. If it is not,
|
|
|
- add the attribute and its corresponding value to that
|
|
|
- element. */
|
|
|
- } else {
|
|
|
- foreach($token['attr'] as $attr) {
|
|
|
- if(!$this->stack[1]->hasAttribute($attr['name'])) {
|
|
|
- $this->stack[1]->setAttribute($attr['name'], $attr['value']);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "address",
|
|
|
- "blockquote", "center", "dir", "div", "dl", "fieldset",
|
|
|
- "listing", "menu", "ol", "p", "ul" */
|
|
|
- case 'address': case 'blockquote': case 'center': case 'dir':
|
|
|
- case 'div': case 'dl': case 'fieldset': case 'listing':
|
|
|
- case 'menu': case 'ol': case 'p': case 'ul':
|
|
|
- /* If the stack of open elements has a p element in scope,
|
|
|
- then act as if an end tag with the tag name p had been
|
|
|
- seen. */
|
|
|
- if($this->elementInScope('p')) {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => 'p',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "form" */
|
|
|
- case 'form':
|
|
|
- /* If the form element pointer is not null, ignore the
|
|
|
- token with a parse error. */
|
|
|
- if($this->form_pointer !== null) {
|
|
|
- // Ignore.
|
|
|
-
|
|
|
- /* Otherwise: */
|
|
|
- } else {
|
|
|
- /* If the stack of open elements has a p element in
|
|
|
- scope, then act as if an end tag with the tag name p
|
|
|
- had been seen. */
|
|
|
- if($this->elementInScope('p')) {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => 'p',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* Insert an HTML element for the token, and set the
|
|
|
- form element pointer to point to the element created. */
|
|
|
- $element = $this->insertElement($token);
|
|
|
- $this->form_pointer = $element;
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "li", "dd" or "dt" */
|
|
|
- case 'li': case 'dd': case 'dt':
|
|
|
- /* If the stack of open elements has a p element in scope,
|
|
|
- then act as if an end tag with the tag name p had been
|
|
|
- seen. */
|
|
|
- if($this->elementInScope('p')) {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => 'p',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- $stack_length = count($this->stack) - 1;
|
|
|
-
|
|
|
- for($n = $stack_length; 0 <= $n; $n--) {
|
|
|
- /* 1. Initialise node to be the current node (the
|
|
|
- bottommost node of the stack). */
|
|
|
- $stop = false;
|
|
|
- $node = $this->stack[$n];
|
|
|
- $cat = $this->getElementCategory($node->tagName);
|
|
|
-
|
|
|
- /* 2. If node is an li, dd or dt element, then pop all
|
|
|
- the nodes from the current node up to node, including
|
|
|
- node, then stop this algorithm. */
|
|
|
- if($token['name'] === $node->tagName || ($token['name'] !== 'li'
|
|
|
- && ($node->tagName === 'dd' || $node->tagName === 'dt'))) {
|
|
|
- for($x = $stack_length; $x >= $n ; $x--) {
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
-
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- /* 3. If node is not in the formatting category, and is
|
|
|
- not in the phrasing category, and is not an address or
|
|
|
- div element, then stop this algorithm. */
|
|
|
- if($cat !== self::FORMATTING && $cat !== self::PHRASING &&
|
|
|
- $node->tagName !== 'address' && $node->tagName !== 'div') {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* Finally, insert an HTML element with the same tag
|
|
|
- name as the token's. */
|
|
|
- $this->insertElement($token);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag token whose tag name is "plaintext" */
|
|
|
- case 'plaintext':
|
|
|
- /* If the stack of open elements has a p element in scope,
|
|
|
- then act as if an end tag with the tag name p had been
|
|
|
- seen. */
|
|
|
- if($this->elementInScope('p')) {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => 'p',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- return HTML5::PLAINTEXT;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "h1", "h2", "h3", "h4",
|
|
|
- "h5", "h6" */
|
|
|
- case 'h1': case 'h2': case 'h3': case 'h4': case 'h5': case 'h6':
|
|
|
- /* If the stack of open elements has a p element in scope,
|
|
|
- then act as if an end tag with the tag name p had been seen. */
|
|
|
- if($this->elementInScope('p')) {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => 'p',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* If the stack of open elements has in scope an element whose
|
|
|
- tag name is one of "h1", "h2", "h3", "h4", "h5", or "h6", then
|
|
|
- this is a parse error; pop elements from the stack until an
|
|
|
- element with one of those tag names has been popped from the
|
|
|
- stack. */
|
|
|
- while($this->elementInScope(array('h1', 'h2', 'h3', 'h4', 'h5', 'h6'))) {
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "a" */
|
|
|
- case 'a':
|
|
|
- /* If the list of active formatting elements contains
|
|
|
- an element whose tag name is "a" between the end of the
|
|
|
- list and the last marker on the list (or the start of
|
|
|
- the list if there is no marker on the list), then this
|
|
|
- is a parse error; act as if an end tag with the tag name
|
|
|
- "a" had been seen, then remove that element from the list
|
|
|
- of active formatting elements and the stack of open
|
|
|
- elements if the end tag didn't already remove it (it
|
|
|
- might not have if the element is not in table scope). */
|
|
|
- $leng = count($this->a_formatting);
|
|
|
-
|
|
|
- for($n = $leng - 1; $n >= 0; $n--) {
|
|
|
- if($this->a_formatting[$n] === self::MARKER) {
|
|
|
- break;
|
|
|
-
|
|
|
- } elseif($this->a_formatting[$n]->nodeName === 'a') {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => 'a',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $el = $this->insertElement($token);
|
|
|
-
|
|
|
- /* Add that element to the list of active formatting
|
|
|
- elements. */
|
|
|
- $this->a_formatting[] = $el;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "b", "big", "em", "font",
|
|
|
- "i", "nobr", "s", "small", "strike", "strong", "tt", "u" */
|
|
|
- case 'b': case 'big': case 'em': case 'font': case 'i':
|
|
|
- case 'nobr': case 's': case 'small': case 'strike':
|
|
|
- case 'strong': case 'tt': case 'u':
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $el = $this->insertElement($token);
|
|
|
-
|
|
|
- /* Add that element to the list of active formatting
|
|
|
- elements. */
|
|
|
- $this->a_formatting[] = $el;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag token whose tag name is "button" */
|
|
|
- case 'button':
|
|
|
- /* If the stack of open elements has a button element in scope,
|
|
|
- then this is a parse error; act as if an end tag with the tag
|
|
|
- name "button" had been seen, then reprocess the token. (We don't
|
|
|
- do that. Unnecessary.) */
|
|
|
- if($this->elementInScope('button')) {
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'button',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Insert a marker at the end of the list of active
|
|
|
- formatting elements. */
|
|
|
- $this->a_formatting[] = self::MARKER;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag token whose tag name is one of: "marquee", "object" */
|
|
|
- case 'marquee': case 'object':
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Insert a marker at the end of the list of active
|
|
|
- formatting elements. */
|
|
|
- $this->a_formatting[] = self::MARKER;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag token whose tag name is "xmp" */
|
|
|
- case 'xmp':
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Switch the content model flag to the CDATA state. */
|
|
|
- return HTML5::CDATA;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "table" */
|
|
|
- case 'table':
|
|
|
- /* If the stack of open elements has a p element in scope,
|
|
|
- then act as if an end tag with the tag name p had been seen. */
|
|
|
- if($this->elementInScope('p')) {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => 'p',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Change the insertion mode to "in table". */
|
|
|
- $this->mode = self::IN_TABLE;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "area", "basefont",
|
|
|
- "bgsound", "br", "embed", "img", "param", "spacer", "wbr" */
|
|
|
- case 'area': case 'basefont': case 'bgsound': case 'br':
|
|
|
- case 'embed': case 'img': case 'param': case 'spacer':
|
|
|
- case 'wbr':
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Immediately pop the current node off the stack of open elements. */
|
|
|
- array_pop($this->stack);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "hr" */
|
|
|
- case 'hr':
|
|
|
- /* If the stack of open elements has a p element in scope,
|
|
|
- then act as if an end tag with the tag name p had been seen. */
|
|
|
- if($this->elementInScope('p')) {
|
|
|
- $this->emitToken(array(
|
|
|
- 'name' => 'p',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Immediately pop the current node off the stack of open elements. */
|
|
|
- array_pop($this->stack);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "image" */
|
|
|
- case 'image':
|
|
|
- /* Parse error. Change the token's tag name to "img" and
|
|
|
- reprocess it. (Don't ask.) */
|
|
|
- $token['name'] = 'img';
|
|
|
- return $this->inBody($token);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "input" */
|
|
|
- case 'input':
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- /* Insert an input element for the token. */
|
|
|
- $element = $this->insertElement($token, false);
|
|
|
-
|
|
|
- /* If the form element pointer is not null, then associate the
|
|
|
- input element with the form element pointed to by the form
|
|
|
- element pointer. */
|
|
|
- $this->form_pointer !== null
|
|
|
- ? $this->form_pointer->appendChild($element)
|
|
|
- : end($this->stack)->appendChild($element);
|
|
|
-
|
|
|
- /* Pop that input element off the stack of open elements. */
|
|
|
- array_pop($this->stack);
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "isindex" */
|
|
|
- case 'isindex':
|
|
|
- /* Parse error. */
|
|
|
- // w/e
|
|
|
-
|
|
|
- /* If the form element pointer is not null,
|
|
|
- then ignore the token. */
|
|
|
- if($this->form_pointer === null) {
|
|
|
- /* Act as if a start tag token with the tag name "form" had
|
|
|
- been seen. */
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'body',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => array()
|
|
|
- ));
|
|
|
-
|
|
|
- /* Act as if a start tag token with the tag name "hr" had
|
|
|
- been seen. */
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'hr',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => array()
|
|
|
- ));
|
|
|
-
|
|
|
- /* Act as if a start tag token with the tag name "p" had
|
|
|
- been seen. */
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'p',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => array()
|
|
|
- ));
|
|
|
-
|
|
|
- /* Act as if a start tag token with the tag name "label"
|
|
|
- had been seen. */
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'label',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => array()
|
|
|
- ));
|
|
|
-
|
|
|
- /* Act as if a stream of character tokens had been seen. */
|
|
|
- $this->insertText('This is a searchable index. '.
|
|
|
- 'Insert your search keywords here: ');
|
|
|
-
|
|
|
- /* Act as if a start tag token with the tag name "input"
|
|
|
- had been seen, with all the attributes from the "isindex"
|
|
|
- token, except with the "name" attribute set to the value
|
|
|
- "isindex" (ignoring any explicit "name" attribute). */
|
|
|
- $attr = $token['attr'];
|
|
|
- $attr[] = array('name' => 'name', 'value' => 'isindex');
|
|
|
-
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'input',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => $attr
|
|
|
- ));
|
|
|
-
|
|
|
- /* Act as if a stream of character tokens had been seen
|
|
|
- (see below for what they should say). */
|
|
|
- $this->insertText('This is a searchable index. '.
|
|
|
- 'Insert your search keywords here: ');
|
|
|
-
|
|
|
- /* Act as if an end tag token with the tag name "label"
|
|
|
- had been seen. */
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'label',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- /* Act as if an end tag token with the tag name "p" had
|
|
|
- been seen. */
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'p',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- /* Act as if a start tag token with the tag name "hr" had
|
|
|
- been seen. */
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'hr',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- /* Act as if an end tag token with the tag name "form" had
|
|
|
- been seen. */
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'form',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "textarea" */
|
|
|
- case 'textarea':
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Switch the tokeniser's content model flag to the
|
|
|
- RCDATA state. */
|
|
|
- return HTML5::RCDATA;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "iframe", "noembed",
|
|
|
- "noframes" */
|
|
|
- case 'iframe': case 'noembed': case 'noframes':
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Switch the tokeniser's content model flag to the CDATA state. */
|
|
|
- return HTML5::CDATA;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "select" */
|
|
|
- case 'select':
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Change the insertion mode to "in select". */
|
|
|
- $this->mode = self::IN_SELECT;
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start or end tag whose tag name is one of: "caption", "col",
|
|
|
- "colgroup", "frame", "frameset", "head", "option", "optgroup",
|
|
|
- "tbody", "td", "tfoot", "th", "thead", "tr". */
|
|
|
- case 'caption': case 'col': case 'colgroup': case 'frame':
|
|
|
- case 'frameset': case 'head': case 'option': case 'optgroup':
|
|
|
- case 'tbody': case 'td': case 'tfoot': case 'th': case 'thead':
|
|
|
- case 'tr':
|
|
|
- // Parse error. Ignore the token.
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start or end tag whose tag name is one of: "event-source",
|
|
|
- "section", "nav", "article", "aside", "header", "footer",
|
|
|
- "datagrid", "command" */
|
|
|
- case 'event-source': case 'section': case 'nav': case 'article':
|
|
|
- case 'aside': case 'header': case 'footer': case 'datagrid':
|
|
|
- case 'command':
|
|
|
- // Work in progress!
|
|
|
- break;
|
|
|
-
|
|
|
- /* A start tag token not covered by the previous entries */
|
|
|
- default:
|
|
|
- /* Reconstruct the active formatting elements, if any. */
|
|
|
- $this->reconstructActiveFormattingElements();
|
|
|
-
|
|
|
- $this->insertElement($token, true, true);
|
|
|
- break;
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- case HTML5::ENDTAG:
|
|
|
- switch($token['name']) {
|
|
|
- /* An end tag with the tag name "body" */
|
|
|
- case 'body':
|
|
|
- /* If the second element in the stack of open elements is
|
|
|
- not a body element, this is a parse error. Ignore the token.
|
|
|
- (innerHTML case) */
|
|
|
- if(count($this->stack) < 2 || $this->stack[1]->nodeName !== 'body') {
|
|
|
- // Ignore.
|
|
|
-
|
|
|
- /* If the current node is not the body element, then this
|
|
|
- is a parse error. */
|
|
|
- } elseif(end($this->stack)->nodeName !== 'body') {
|
|
|
- // Parse error.
|
|
|
- }
|
|
|
-
|
|
|
- /* Change the insertion mode to "after body". */
|
|
|
- $this->mode = self::AFTER_BODY;
|
|
|
- break;
|
|
|
-
|
|
|
- /* An end tag with the tag name "html" */
|
|
|
- case 'html':
|
|
|
- /* Act as if an end tag with tag name "body" had been seen,
|
|
|
- then, if that token wasn't ignored, reprocess the current
|
|
|
- token. */
|
|
|
- $this->inBody(array(
|
|
|
- 'name' => 'body',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->afterBody($token);
|
|
|
- break;
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "address", "blockquote",
|
|
|
- "center", "dir", "div", "dl", "fieldset", "listing", "menu",
|
|
|
- "ol", "pre", "ul" */
|
|
|
- case 'address': case 'blockquote': case 'center': case 'dir':
|
|
|
- case 'div': case 'dl': case 'fieldset': case 'listing':
|
|
|
- case 'menu': case 'ol': case 'pre': case 'ul':
|
|
|
- /* If the stack of open elements has an element in scope
|
|
|
- with the same tag name as that of the token, then generate
|
|
|
- implied end tags. */
|
|
|
- if($this->elementInScope($token['name'])) {
|
|
|
- $this->generateImpliedEndTags();
|
|
|
-
|
|
|
- /* Now, if the current node is not an element with
|
|
|
- the same tag name as that of the token, then this
|
|
|
- is a parse error. */
|
|
|
- // w/e
|
|
|
-
|
|
|
- /* If the stack of open elements has an element in
|
|
|
- scope with the same tag name as that of the token,
|
|
|
- then pop elements from this stack until an element
|
|
|
- with that tag name has been popped from the stack. */
|
|
|
- for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
- if($this->stack[$n]->nodeName === $token['name']) {
|
|
|
- $n = -1;
|
|
|
- }
|
|
|
-
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- /* An end tag whose tag name is "form" */
|
|
|
- case 'form':
|
|
|
- /* If the stack of open elements has an element in scope
|
|
|
- with the same tag name as that of the token, then generate
|
|
|
- implied end tags. */
|
|
|
- if($this->elementInScope($token['name'])) {
|
|
|
- $this->generateImpliedEndTags();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if(end($this->stack)->nodeName !== $token['name']) {
|
|
|
- /* Now, if the current node is not an element with the
|
|
|
- same tag name as that of the token, then this is a parse
|
|
|
- error. */
|
|
|
- // w/e
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Otherwise, if the current node is an element with
|
|
|
- the same tag name as that of the token pop that element
|
|
|
- from the stack. */
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
-
|
|
|
- /* In any case, set the form element pointer to null. */
|
|
|
- $this->form_pointer = null;
|
|
|
- break;
|
|
|
-
|
|
|
- /* An end tag whose tag name is "p" */
|
|
|
- case 'p':
|
|
|
- /* If the stack of open elements has a p element in scope,
|
|
|
- then generate implied end tags, except for p elements. */
|
|
|
- if($this->elementInScope('p')) {
|
|
|
- $this->generateImpliedEndTags(array('p'));
|
|
|
-
|
|
|
- /* If the current node is not a p element, then this is
|
|
|
- a parse error. */
|
|
|
- // k
|
|
|
-
|
|
|
- /* If the stack of open elements has a p element in
|
|
|
- scope, then pop elements from this stack until the stack
|
|
|
- no longer has a p element in scope. */
|
|
|
- for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
- if($this->elementInScope('p')) {
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- } else {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- /* An end tag whose tag name is "dd", "dt", or "li" */
|
|
|
- case 'dd': case 'dt': case 'li':
|
|
|
- /* If the stack of open elements has an element in scope
|
|
|
- whose tag name matches the tag name of the token, then
|
|
|
- generate implied end tags, except for elements with the
|
|
|
- same tag name as the token. */
|
|
|
- if($this->elementInScope($token['name'])) {
|
|
|
- $this->generateImpliedEndTags(array($token['name']));
|
|
|
-
|
|
|
- /* If the current node is not an element with the same
|
|
|
- tag name as the token, then this is a parse error. */
|
|
|
- // w/e
|
|
|
-
|
|
|
- /* If the stack of open elements has an element in scope
|
|
|
- whose tag name matches the tag name of the token, then
|
|
|
- pop elements from this stack until an element with that
|
|
|
- tag name has been popped from the stack. */
|
|
|
- for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
- if($this->stack[$n]->nodeName === $token['name']) {
|
|
|
- $n = -1;
|
|
|
- }
|
|
|
-
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "h1", "h2", "h3", "h4",
|
|
|
- "h5", "h6" */
|
|
|
- case 'h1': case 'h2': case 'h3': case 'h4': case 'h5': case 'h6':
|
|
|
- $elements = array('h1', 'h2', 'h3', 'h4', 'h5', 'h6');
|
|
|
-
|
|
|
- /* If the stack of open elements has in scope an element whose
|
|
|
- tag name is one of "h1", "h2", "h3", "h4", "h5", or "h6", then
|
|
|
- generate implied end tags. */
|
|
|
- if($this->elementInScope($elements)) {
|
|
|
- $this->generateImpliedEndTags();
|
|
|
-
|
|
|
- /* Now, if the current node is not an element with the same
|
|
|
- tag name as that of the token, then this is a parse error. */
|
|
|
- // w/e
|
|
|
-
|
|
|
- /* If the stack of open elements has in scope an element
|
|
|
- whose tag name is one of "h1", "h2", "h3", "h4", "h5", or
|
|
|
- "h6", then pop elements from the stack until an element
|
|
|
- with one of those tag names has been popped from the stack. */
|
|
|
- while($this->elementInScope($elements)) {
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "a", "b", "big", "em",
|
|
|
- "font", "i", "nobr", "s", "small", "strike", "strong", "tt", "u" */
|
|
|
- case 'a': case 'b': case 'big': case 'em': case 'font':
|
|
|
- case 'i': case 'nobr': case 's': case 'small': case 'strike':
|
|
|
- case 'strong': case 'tt': case 'u':
|
|
|
- /* 1. Let the formatting element be the last element in
|
|
|
- the list of active formatting elements that:
|
|
|
- * is between the end of the list and the last scope
|
|
|
- marker in the list, if any, or the start of the list
|
|
|
- otherwise, and
|
|
|
- * has the same tag name as the token.
|
|
|
- */
|
|
|
- while(true) {
|
|
|
- for($a = count($this->a_formatting) - 1; $a >= 0; $a--) {
|
|
|
- if($this->a_formatting[$a] === self::MARKER) {
|
|
|
- break;
|
|
|
-
|
|
|
- } elseif($this->a_formatting[$a]->tagName === $token['name']) {
|
|
|
- $formatting_element = $this->a_formatting[$a];
|
|
|
- $in_stack = in_array($formatting_element, $this->stack, true);
|
|
|
- $fe_af_pos = $a;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* If there is no such node, or, if that node is
|
|
|
- also in the stack of open elements but the element
|
|
|
- is not in scope, then this is a parse error. Abort
|
|
|
- these steps. The token is ignored. */
|
|
|
- if(!isset($formatting_element) || ($in_stack &&
|
|
|
- !$this->elementInScope($token['name']))) {
|
|
|
- break;
|
|
|
-
|
|
|
- /* Otherwise, if there is such a node, but that node
|
|
|
- is not in the stack of open elements, then this is a
|
|
|
- parse error; remove the element from the list, and
|
|
|
- abort these steps. */
|
|
|
- } elseif(isset($formatting_element) && !$in_stack) {
|
|
|
- unset($this->a_formatting[$fe_af_pos]);
|
|
|
- $this->a_formatting = array_merge($this->a_formatting);
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- /* 2. Let the furthest block be the topmost node in the
|
|
|
- stack of open elements that is lower in the stack
|
|
|
- than the formatting element, and is not an element in
|
|
|
- the phrasing or formatting categories. There might
|
|
|
- not be one. */
|
|
|
- $fe_s_pos = array_search($formatting_element, $this->stack, true);
|
|
|
- $length = count($this->stack);
|
|
|
-
|
|
|
- for($s = $fe_s_pos + 1; $s < $length; $s++) {
|
|
|
- $category = $this->getElementCategory($this->stack[$s]->nodeName);
|
|
|
-
|
|
|
- if($category !== self::PHRASING && $category !== self::FORMATTING) {
|
|
|
- $furthest_block = $this->stack[$s];
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* 3. If there is no furthest block, then the UA must
|
|
|
- skip the subsequent steps and instead just pop all
|
|
|
- the nodes from the bottom of the stack of open
|
|
|
- elements, from the current node up to the formatting
|
|
|
- element, and remove the formatting element from the
|
|
|
- list of active formatting elements. */
|
|
|
- if(!isset($furthest_block)) {
|
|
|
- for($n = $length - 1; $n >= $fe_s_pos; $n--) {
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
-
|
|
|
- unset($this->a_formatting[$fe_af_pos]);
|
|
|
- $this->a_formatting = array_merge($this->a_formatting);
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- /* 4. Let the common ancestor be the element
|
|
|
- immediately above the formatting element in the stack
|
|
|
- of open elements. */
|
|
|
- $common_ancestor = $this->stack[$fe_s_pos - 1];
|
|
|
-
|
|
|
- /* 5. If the furthest block has a parent node, then
|
|
|
- remove the furthest block from its parent node. */
|
|
|
- if($furthest_block->parentNode !== null) {
|
|
|
- $furthest_block->parentNode->removeChild($furthest_block);
|
|
|
- }
|
|
|
-
|
|
|
- /* 6. Let a bookmark note the position of the
|
|
|
- formatting element in the list of active formatting
|
|
|
- elements relative to the elements on either side
|
|
|
- of it in the list. */
|
|
|
- $bookmark = $fe_af_pos;
|
|
|
-
|
|
|
- /* 7. Let node and last node be the furthest block.
|
|
|
- Follow these steps: */
|
|
|
- $node = $furthest_block;
|
|
|
- $last_node = $furthest_block;
|
|
|
-
|
|
|
- while(true) {
|
|
|
- for($n = array_search($node, $this->stack, true) - 1; $n >= 0; $n--) {
|
|
|
- /* 7.1 Let node be the element immediately
|
|
|
- prior to node in the stack of open elements. */
|
|
|
- $node = $this->stack[$n];
|
|
|
-
|
|
|
- /* 7.2 If node is not in the list of active
|
|
|
- formatting elements, then remove node from
|
|
|
- the stack of open elements and then go back
|
|
|
- to step 1. */
|
|
|
- if(!in_array($node, $this->a_formatting, true)) {
|
|
|
- unset($this->stack[$n]);
|
|
|
- $this->stack = array_merge($this->stack);
|
|
|
-
|
|
|
- } else {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* 7.3 Otherwise, if node is the formatting
|
|
|
- element, then go to the next step in the overall
|
|
|
- algorithm. */
|
|
|
- if($node === $formatting_element) {
|
|
|
- break;
|
|
|
-
|
|
|
- /* 7.4 Otherwise, if last node is the furthest
|
|
|
- block, then move the aforementioned bookmark to
|
|
|
- be immediately after the node in the list of
|
|
|
- active formatting elements. */
|
|
|
- } elseif($last_node === $furthest_block) {
|
|
|
- $bookmark = array_search($node, $this->a_formatting, true) + 1;
|
|
|
- }
|
|
|
-
|
|
|
- /* 7.5 If node has any children, perform a
|
|
|
- shallow clone of node, replace the entry for
|
|
|
- node in the list of active formatting elements
|
|
|
- with an entry for the clone, replace the entry
|
|
|
- for node in the stack of open elements with an
|
|
|
- entry for the clone, and let node be the clone. */
|
|
|
- if($node->hasChildNodes()) {
|
|
|
- $clone = $node->cloneNode();
|
|
|
- $s_pos = array_search($node, $this->stack, true);
|
|
|
- $a_pos = array_search($node, $this->a_formatting, true);
|
|
|
-
|
|
|
- $this->stack[$s_pos] = $clone;
|
|
|
- $this->a_formatting[$a_pos] = $clone;
|
|
|
- $node = $clone;
|
|
|
- }
|
|
|
-
|
|
|
- /* 7.6 Insert last node into node, first removing
|
|
|
- it from its previous parent node if any. */
|
|
|
- if($last_node->parentNode !== null) {
|
|
|
- $last_node->parentNode->removeChild($last_node);
|
|
|
- }
|
|
|
-
|
|
|
- $node->appendChild($last_node);
|
|
|
-
|
|
|
- /* 7.7 Let last node be node. */
|
|
|
- $last_node = $node;
|
|
|
- }
|
|
|
-
|
|
|
- /* 8. Insert whatever last node ended up being in
|
|
|
- the previous step into the common ancestor node,
|
|
|
- first removing it from its previous parent node if
|
|
|
- any. */
|
|
|
- if($last_node->parentNode !== null) {
|
|
|
- $last_node->parentNode->removeChild($last_node);
|
|
|
- }
|
|
|
-
|
|
|
- $common_ancestor->appendChild($last_node);
|
|
|
-
|
|
|
- /* 9. Perform a shallow clone of the formatting
|
|
|
- element. */
|
|
|
- $clone = $formatting_element->cloneNode();
|
|
|
-
|
|
|
- /* 10. Take all of the child nodes of the furthest
|
|
|
- block and append them to the clone created in the
|
|
|
- last step. */
|
|
|
- while($furthest_block->hasChildNodes()) {
|
|
|
- $child = $furthest_block->firstChild;
|
|
|
- $furthest_block->removeChild($child);
|
|
|
- $clone->appendChild($child);
|
|
|
- }
|
|
|
-
|
|
|
- /* 11. Append that clone to the furthest block. */
|
|
|
- $furthest_block->appendChild($clone);
|
|
|
-
|
|
|
- /* 12. Remove the formatting element from the list
|
|
|
- of active formatting elements, and insert the clone
|
|
|
- into the list of active formatting elements at the
|
|
|
- position of the aforementioned bookmark. */
|
|
|
- $fe_af_pos = array_search($formatting_element, $this->a_formatting, true);
|
|
|
- unset($this->a_formatting[$fe_af_pos]);
|
|
|
- $this->a_formatting = array_merge($this->a_formatting);
|
|
|
-
|
|
|
- $af_part1 = array_slice($this->a_formatting, 0, $bookmark - 1);
|
|
|
- $af_part2 = array_slice($this->a_formatting, $bookmark, count($this->a_formatting));
|
|
|
- $this->a_formatting = array_merge($af_part1, array($clone), $af_part2);
|
|
|
-
|
|
|
- /* 13. Remove the formatting element from the stack
|
|
|
- of open elements, and insert the clone into the stack
|
|
|
- of open elements immediately after (i.e. in a more
|
|
|
- deeply nested position than) the position of the
|
|
|
- furthest block in that stack. */
|
|
|
- $fe_s_pos = array_search($formatting_element, $this->stack, true);
|
|
|
- $fb_s_pos = array_search($furthest_block, $this->stack, true);
|
|
|
- unset($this->stack[$fe_s_pos]);
|
|
|
-
|
|
|
- $s_part1 = array_slice($this->stack, 0, $fb_s_pos);
|
|
|
- $s_part2 = array_slice($this->stack, $fb_s_pos + 1, count($this->stack));
|
|
|
- $this->stack = array_merge($s_part1, array($clone), $s_part2);
|
|
|
-
|
|
|
- /* 14. Jump back to step 1 in this series of steps. */
|
|
|
- unset($formatting_element, $fe_af_pos, $fe_s_pos, $furthest_block);
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- /* An end tag token whose tag name is one of: "button",
|
|
|
- "marquee", "object" */
|
|
|
- case 'button': case 'marquee': case 'object':
|
|
|
- /* If the stack of open elements has an element in scope whose
|
|
|
- tag name matches the tag name of the token, then generate implied
|
|
|
- tags. */
|
|
|
- if($this->elementInScope($token['name'])) {
|
|
|
- $this->generateImpliedEndTags();
|
|
|
-
|
|
|
- /* Now, if the current node is not an element with the same
|
|
|
- tag name as the token, then this is a parse error. */
|
|
|
- // k
|
|
|
-
|
|
|
- /* Now, if the stack of open elements has an element in scope
|
|
|
- whose tag name matches the tag name of the token, then pop
|
|
|
- elements from the stack until that element has been popped from
|
|
|
- the stack, and clear the list of active formatting elements up
|
|
|
- to the last marker. */
|
|
|
- for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
- if($this->stack[$n]->nodeName === $token['name']) {
|
|
|
- $n = -1;
|
|
|
- }
|
|
|
-
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
-
|
|
|
- $marker = end(array_keys($this->a_formatting, self::MARKER, true));
|
|
|
-
|
|
|
- for($n = count($this->a_formatting) - 1; $n > $marker; $n--) {
|
|
|
- array_pop($this->a_formatting);
|
|
|
- }
|
|
|
- }
|
|
|
- break;
|
|
|
-
|
|
|
- /* Or an end tag whose tag name is one of: "area", "basefont",
|
|
|
- "bgsound", "br", "embed", "hr", "iframe", "image", "img",
|
|
|
- "input", "isindex", "noembed", "noframes", "param", "select",
|
|
|
- "spacer", "table", "textarea", "wbr" */
|
|
|
- case 'area': case 'basefont': case 'bgsound': case 'br':
|
|
|
- case 'embed': case 'hr': case 'iframe': case 'image':
|
|
|
- case 'img': case 'input': case 'isindex': case 'noembed':
|
|
|
- case 'noframes': case 'param': case 'select': case 'spacer':
|
|
|
- case 'table': case 'textarea': case 'wbr':
|
|
|
- // Parse error. Ignore the token.
|
|
|
- break;
|
|
|
-
|
|
|
- /* An end tag token not covered by the previous entries */
|
|
|
- default:
|
|
|
- for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
- /* Initialise node to be the current node (the bottommost
|
|
|
- node of the stack). */
|
|
|
- $node = end($this->stack);
|
|
|
-
|
|
|
- /* If node has the same tag name as the end tag token,
|
|
|
- then: */
|
|
|
- if($token['name'] === $node->nodeName) {
|
|
|
- /* Generate implied end tags. */
|
|
|
- $this->generateImpliedEndTags();
|
|
|
-
|
|
|
- /* If the tag name of the end tag token does not
|
|
|
- match the tag name of the current node, this is a
|
|
|
- parse error. */
|
|
|
- // k
|
|
|
-
|
|
|
- /* Pop all the nodes from the current node up to
|
|
|
- node, including node, then stop this algorithm. */
|
|
|
- for($x = count($this->stack) - $n; $x >= $n; $x--) {
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
-
|
|
|
- } else {
|
|
|
- $category = $this->getElementCategory($node);
|
|
|
-
|
|
|
- if($category !== self::SPECIAL && $category !== self::SCOPING) {
|
|
|
- /* Otherwise, if node is in neither the formatting
|
|
|
- category nor the phrasing category, then this is a
|
|
|
- parse error. Stop this algorithm. The end tag token
|
|
|
- is ignored. */
|
|
|
- return false;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- break;
|
|
|
- }
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inTable($token) {
|
|
|
- $clear = array('html', 'table');
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE */
|
|
|
- if($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
- /* Append the character to the current node. */
|
|
|
- $text = $this->dom->createTextNode($token['data']);
|
|
|
- end($this->stack)->appendChild($text);
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the current node with the data
|
|
|
- attribute set to the data given in the comment token. */
|
|
|
- $comment = $this->dom->createComment($token['data']);
|
|
|
- end($this->stack)->appendChild($comment);
|
|
|
-
|
|
|
- /* A start tag whose tag name is "caption" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
- $token['name'] === 'caption') {
|
|
|
- /* Clear the stack back to a table context. */
|
|
|
- $this->clearStackToTableContext($clear);
|
|
|
-
|
|
|
- /* Insert a marker at the end of the list of active
|
|
|
- formatting elements. */
|
|
|
- $this->a_formatting[] = self::MARKER;
|
|
|
-
|
|
|
- /* Insert an HTML element for the token, then switch the
|
|
|
- insertion mode to "in caption". */
|
|
|
- $this->insertElement($token);
|
|
|
- $this->mode = self::IN_CAPTION;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "colgroup" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
- $token['name'] === 'colgroup') {
|
|
|
- /* Clear the stack back to a table context. */
|
|
|
- $this->clearStackToTableContext($clear);
|
|
|
-
|
|
|
- /* Insert an HTML element for the token, then switch the
|
|
|
- insertion mode to "in column group". */
|
|
|
- $this->insertElement($token);
|
|
|
- $this->mode = self::IN_CGROUP;
|
|
|
-
|
|
|
- /* A start tag whose tag name is "col" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
- $token['name'] === 'col') {
|
|
|
- $this->inTable(array(
|
|
|
- 'name' => 'colgroup',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => array()
|
|
|
- ));
|
|
|
-
|
|
|
- $this->inColumnGroup($token);
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "tbody", "tfoot", "thead" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
- array('tbody', 'tfoot', 'thead'))) {
|
|
|
- /* Clear the stack back to a table context. */
|
|
|
- $this->clearStackToTableContext($clear);
|
|
|
-
|
|
|
- /* Insert an HTML element for the token, then switch the insertion
|
|
|
- mode to "in table body". */
|
|
|
- $this->insertElement($token);
|
|
|
- $this->mode = self::IN_TBODY;
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "td", "th", "tr" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
- in_array($token['name'], array('td', 'th', 'tr'))) {
|
|
|
- /* Act as if a start tag token with the tag name "tbody" had been
|
|
|
- seen, then reprocess the current token. */
|
|
|
- $this->inTable(array(
|
|
|
- 'name' => 'tbody',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => array()
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->inTableBody($token);
|
|
|
-
|
|
|
- /* A start tag whose tag name is "table" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
- $token['name'] === 'table') {
|
|
|
- /* Parse error. Act as if an end tag token with the tag name "table"
|
|
|
- had been seen, then, if that token wasn't ignored, reprocess the
|
|
|
- current token. */
|
|
|
- $this->inTable(array(
|
|
|
- 'name' => 'table',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->mainPhase($token);
|
|
|
-
|
|
|
- /* An end tag whose tag name is "table" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
- $token['name'] === 'table') {
|
|
|
- /* If the stack of open elements does not have an element in table
|
|
|
- scope with the same tag name as the token, this is a parse error.
|
|
|
- Ignore the token. (innerHTML case) */
|
|
|
- if(!$this->elementInScope($token['name'], true)) {
|
|
|
- return false;
|
|
|
-
|
|
|
- /* Otherwise: */
|
|
|
- } else {
|
|
|
- /* Generate implied end tags. */
|
|
|
- $this->generateImpliedEndTags();
|
|
|
-
|
|
|
- /* Now, if the current node is not a table element, then this
|
|
|
- is a parse error. */
|
|
|
- // w/e
|
|
|
-
|
|
|
- /* Pop elements from this stack until a table element has been
|
|
|
- popped from the stack. */
|
|
|
- while(true) {
|
|
|
- $current = end($this->stack)->nodeName;
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- if($current === 'table') {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* Reset the insertion mode appropriately. */
|
|
|
- $this->resetInsertionMode();
|
|
|
- }
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "body", "caption", "col",
|
|
|
- "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
- array('body', 'caption', 'col', 'colgroup', 'html', 'tbody', 'td',
|
|
|
- 'tfoot', 'th', 'thead', 'tr'))) {
|
|
|
- // Parse error. Ignore the token.
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Parse error. Process the token as if the insertion mode was "in
|
|
|
- body", with the following exception: */
|
|
|
-
|
|
|
- /* If the current node is a table, tbody, tfoot, thead, or tr
|
|
|
- element, then, whenever a node would be inserted into the current
|
|
|
- node, it must instead be inserted into the foster parent element. */
|
|
|
- if(in_array(end($this->stack)->nodeName,
|
|
|
- array('table', 'tbody', 'tfoot', 'thead', 'tr'))) {
|
|
|
- /* The foster parent element is the parent element of the last
|
|
|
- table element in the stack of open elements, if there is a
|
|
|
- table element and it has such a parent element. If there is no
|
|
|
- table element in the stack of open elements (innerHTML case),
|
|
|
- then the foster parent element is the first element in the
|
|
|
- stack of open elements (the html element). Otherwise, if there
|
|
|
- is a table element in the stack of open elements, but the last
|
|
|
- table element in the stack of open elements has no parent, or
|
|
|
- its parent node is not an element, then the foster parent
|
|
|
- element is the element before the last table element in the
|
|
|
- stack of open elements. */
|
|
|
- for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
- if($this->stack[$n]->nodeName === 'table') {
|
|
|
- $table = $this->stack[$n];
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if(isset($table) && $table->parentNode !== null) {
|
|
|
- $this->foster_parent = $table->parentNode;
|
|
|
-
|
|
|
- } elseif(!isset($table)) {
|
|
|
- $this->foster_parent = $this->stack[0];
|
|
|
-
|
|
|
- } elseif(isset($table) && ($table->parentNode === null ||
|
|
|
- $table->parentNode->nodeType !== XML_ELEMENT_NODE)) {
|
|
|
- $this->foster_parent = $this->stack[$n - 1];
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- $this->inBody($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inCaption($token) {
|
|
|
- /* An end tag whose tag name is "caption" */
|
|
|
- if($token['type'] === HTML5::ENDTAG && $token['name'] === 'caption') {
|
|
|
- /* If the stack of open elements does not have an element in table
|
|
|
- scope with the same tag name as the token, this is a parse error.
|
|
|
- Ignore the token. (innerHTML case) */
|
|
|
- if(!$this->elementInScope($token['name'], true)) {
|
|
|
- // Ignore
|
|
|
-
|
|
|
- /* Otherwise: */
|
|
|
- } else {
|
|
|
- /* Generate implied end tags. */
|
|
|
- $this->generateImpliedEndTags();
|
|
|
-
|
|
|
- /* Now, if the current node is not a caption element, then this
|
|
|
- is a parse error. */
|
|
|
- // w/e
|
|
|
-
|
|
|
- /* Pop elements from this stack until a caption element has
|
|
|
- been popped from the stack. */
|
|
|
- while(true) {
|
|
|
- $node = end($this->stack)->nodeName;
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- if($node === 'caption') {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear the list of active formatting elements up to the last
|
|
|
- marker. */
|
|
|
- $this->clearTheActiveFormattingElementsUpToTheLastMarker();
|
|
|
-
|
|
|
- /* Switch the insertion mode to "in table". */
|
|
|
- $this->mode = self::IN_TABLE;
|
|
|
- }
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
- "tbody", "td", "tfoot", "th", "thead", "tr", or an end tag whose tag
|
|
|
- name is "table" */
|
|
|
- } elseif(($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
- array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th',
|
|
|
- 'thead', 'tr'))) || ($token['type'] === HTML5::ENDTAG &&
|
|
|
- $token['name'] === 'table')) {
|
|
|
- /* Parse error. Act as if an end tag with the tag name "caption"
|
|
|
- had been seen, then, if that token wasn't ignored, reprocess the
|
|
|
- current token. */
|
|
|
- $this->inCaption(array(
|
|
|
- 'name' => 'caption',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->inTable($token);
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "body", "col", "colgroup",
|
|
|
- "html", "tbody", "td", "tfoot", "th", "thead", "tr" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
- array('body', 'col', 'colgroup', 'html', 'tbody', 'tfoot', 'th',
|
|
|
- 'thead', 'tr'))) {
|
|
|
- // Parse error. Ignore the token.
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Process the token as if the insertion mode was "in body". */
|
|
|
- $this->inBody($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inColumnGroup($token) {
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE */
|
|
|
- if($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
- /* Append the character to the current node. */
|
|
|
- $text = $this->dom->createTextNode($token['data']);
|
|
|
- end($this->stack)->appendChild($text);
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the current node with the data
|
|
|
- attribute set to the data given in the comment token. */
|
|
|
- $comment = $this->dom->createComment($token['data']);
|
|
|
- end($this->stack)->appendChild($comment);
|
|
|
-
|
|
|
- /* A start tag whose tag name is "col" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'col') {
|
|
|
- /* Insert a col element for the token. Immediately pop the current
|
|
|
- node off the stack of open elements. */
|
|
|
- $this->insertElement($token);
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- /* An end tag whose tag name is "colgroup" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
- $token['name'] === 'colgroup') {
|
|
|
- /* If the current node is the root html element, then this is a
|
|
|
- parse error, ignore the token. (innerHTML case) */
|
|
|
- if(end($this->stack)->nodeName === 'html') {
|
|
|
- // Ignore
|
|
|
-
|
|
|
- /* Otherwise, pop the current node (which will be a colgroup
|
|
|
- element) from the stack of open elements. Switch the insertion
|
|
|
- mode to "in table". */
|
|
|
- } else {
|
|
|
- array_pop($this->stack);
|
|
|
- $this->mode = self::IN_TABLE;
|
|
|
- }
|
|
|
-
|
|
|
- /* An end tag whose tag name is "col" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'col') {
|
|
|
- /* Parse error. Ignore the token. */
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Act as if an end tag with the tag name "colgroup" had been seen,
|
|
|
- and then, if that token wasn't ignored, reprocess the current token. */
|
|
|
- $this->inColumnGroup(array(
|
|
|
- 'name' => 'colgroup',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->inTable($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inTableBody($token) {
|
|
|
- $clear = array('tbody', 'tfoot', 'thead', 'html');
|
|
|
-
|
|
|
- /* A start tag whose tag name is "tr" */
|
|
|
- if($token['type'] === HTML5::STARTTAG && $token['name'] === 'tr') {
|
|
|
- /* Clear the stack back to a table body context. */
|
|
|
- $this->clearStackToTableContext($clear);
|
|
|
-
|
|
|
- /* Insert a tr element for the token, then switch the insertion
|
|
|
- mode to "in row". */
|
|
|
- $this->insertElement($token);
|
|
|
- $this->mode = self::IN_ROW;
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "th", "td" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
- ($token['name'] === 'th' || $token['name'] === 'td')) {
|
|
|
- /* Parse error. Act as if a start tag with the tag name "tr" had
|
|
|
- been seen, then reprocess the current token. */
|
|
|
- $this->inTableBody(array(
|
|
|
- 'name' => 'tr',
|
|
|
- 'type' => HTML5::STARTTAG,
|
|
|
- 'attr' => array()
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->inRow($token);
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "tbody", "tfoot", "thead" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
- in_array($token['name'], array('tbody', 'tfoot', 'thead'))) {
|
|
|
- /* If the stack of open elements does not have an element in table
|
|
|
- scope with the same tag name as the token, this is a parse error.
|
|
|
- Ignore the token. */
|
|
|
- if(!$this->elementInScope($token['name'], true)) {
|
|
|
- // Ignore
|
|
|
-
|
|
|
- /* Otherwise: */
|
|
|
- } else {
|
|
|
- /* Clear the stack back to a table body context. */
|
|
|
- $this->clearStackToTableContext($clear);
|
|
|
-
|
|
|
- /* Pop the current node from the stack of open elements. Switch
|
|
|
- the insertion mode to "in table". */
|
|
|
- array_pop($this->stack);
|
|
|
- $this->mode = self::IN_TABLE;
|
|
|
- }
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
- "tbody", "tfoot", "thead", or an end tag whose tag name is "table" */
|
|
|
- } elseif(($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
- array('caption', 'col', 'colgroup', 'tbody', 'tfoor', 'thead'))) ||
|
|
|
- ($token['type'] === HTML5::STARTTAG && $token['name'] === 'table')) {
|
|
|
- /* If the stack of open elements does not have a tbody, thead, or
|
|
|
- tfoot element in table scope, this is a parse error. Ignore the
|
|
|
- token. (innerHTML case) */
|
|
|
- if(!$this->elementInScope(array('tbody', 'thead', 'tfoot'), true)) {
|
|
|
- // Ignore.
|
|
|
-
|
|
|
- /* Otherwise: */
|
|
|
- } else {
|
|
|
- /* Clear the stack back to a table body context. */
|
|
|
- $this->clearStackToTableContext($clear);
|
|
|
-
|
|
|
- /* Act as if an end tag with the same tag name as the current
|
|
|
- node ("tbody", "tfoot", or "thead") had been seen, then
|
|
|
- reprocess the current token. */
|
|
|
- $this->inTableBody(array(
|
|
|
- 'name' => end($this->stack)->nodeName,
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->mainPhase($token);
|
|
|
- }
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "body", "caption", "col",
|
|
|
- "colgroup", "html", "td", "th", "tr" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
- array('body', 'caption', 'col', 'colgroup', 'html', 'td', 'th', 'tr'))) {
|
|
|
- /* Parse error. Ignore the token. */
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Process the token as if the insertion mode was "in table". */
|
|
|
- $this->inTable($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inRow($token) {
|
|
|
- $clear = array('tr', 'html');
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "th", "td" */
|
|
|
- if($token['type'] === HTML5::STARTTAG &&
|
|
|
- ($token['name'] === 'th' || $token['name'] === 'td')) {
|
|
|
- /* Clear the stack back to a table row context. */
|
|
|
- $this->clearStackToTableContext($clear);
|
|
|
-
|
|
|
- /* Insert an HTML element for the token, then switch the insertion
|
|
|
- mode to "in cell". */
|
|
|
- $this->insertElement($token);
|
|
|
- $this->mode = self::IN_CELL;
|
|
|
-
|
|
|
- /* Insert a marker at the end of the list of active formatting
|
|
|
- elements. */
|
|
|
- $this->a_formatting[] = self::MARKER;
|
|
|
-
|
|
|
- /* An end tag whose tag name is "tr" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'tr') {
|
|
|
- /* If the stack of open elements does not have an element in table
|
|
|
- scope with the same tag name as the token, this is a parse error.
|
|
|
- Ignore the token. (innerHTML case) */
|
|
|
- if(!$this->elementInScope($token['name'], true)) {
|
|
|
- // Ignore.
|
|
|
-
|
|
|
- /* Otherwise: */
|
|
|
- } else {
|
|
|
- /* Clear the stack back to a table row context. */
|
|
|
- $this->clearStackToTableContext($clear);
|
|
|
-
|
|
|
- /* Pop the current node (which will be a tr element) from the
|
|
|
- stack of open elements. Switch the insertion mode to "in table
|
|
|
- body". */
|
|
|
- array_pop($this->stack);
|
|
|
- $this->mode = self::IN_TBODY;
|
|
|
- }
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
- "tbody", "tfoot", "thead", "tr" or an end tag whose tag name is "table" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
- array('caption', 'col', 'colgroup', 'tbody', 'tfoot', 'thead', 'tr'))) {
|
|
|
- /* Act as if an end tag with the tag name "tr" had been seen, then,
|
|
|
- if that token wasn't ignored, reprocess the current token. */
|
|
|
- $this->inRow(array(
|
|
|
- 'name' => 'tr',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->inCell($token);
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "tbody", "tfoot", "thead" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
- in_array($token['name'], array('tbody', 'tfoot', 'thead'))) {
|
|
|
- /* If the stack of open elements does not have an element in table
|
|
|
- scope with the same tag name as the token, this is a parse error.
|
|
|
- Ignore the token. */
|
|
|
- if(!$this->elementInScope($token['name'], true)) {
|
|
|
- // Ignore.
|
|
|
-
|
|
|
- /* Otherwise: */
|
|
|
- } else {
|
|
|
- /* Otherwise, act as if an end tag with the tag name "tr" had
|
|
|
- been seen, then reprocess the current token. */
|
|
|
- $this->inRow(array(
|
|
|
- 'name' => 'tr',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- return $this->inCell($token);
|
|
|
- }
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "body", "caption", "col",
|
|
|
- "colgroup", "html", "td", "th" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
- array('body', 'caption', 'col', 'colgroup', 'html', 'td', 'th', 'tr'))) {
|
|
|
- /* Parse error. Ignore the token. */
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Process the token as if the insertion mode was "in table". */
|
|
|
- $this->inTable($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inCell($token) {
|
|
|
- /* An end tag whose tag name is one of: "td", "th" */
|
|
|
- if($token['type'] === HTML5::ENDTAG &&
|
|
|
- ($token['name'] === 'td' || $token['name'] === 'th')) {
|
|
|
- /* If the stack of open elements does not have an element in table
|
|
|
- scope with the same tag name as that of the token, then this is a
|
|
|
- parse error and the token must be ignored. */
|
|
|
- if(!$this->elementInScope($token['name'], true)) {
|
|
|
- // Ignore.
|
|
|
-
|
|
|
- /* Otherwise: */
|
|
|
- } else {
|
|
|
- /* Generate implied end tags, except for elements with the same
|
|
|
- tag name as the token. */
|
|
|
- $this->generateImpliedEndTags(array($token['name']));
|
|
|
-
|
|
|
- /* Now, if the current node is not an element with the same tag
|
|
|
- name as the token, then this is a parse error. */
|
|
|
- // k
|
|
|
-
|
|
|
- /* Pop elements from this stack until an element with the same
|
|
|
- tag name as the token has been popped from the stack. */
|
|
|
- while(true) {
|
|
|
- $node = end($this->stack)->nodeName;
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- if($node === $token['name']) {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* Clear the list of active formatting elements up to the last
|
|
|
- marker. */
|
|
|
- $this->clearTheActiveFormattingElementsUpToTheLastMarker();
|
|
|
-
|
|
|
- /* Switch the insertion mode to "in row". (The current node
|
|
|
- will be a tr element at this point.) */
|
|
|
- $this->mode = self::IN_ROW;
|
|
|
- }
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
- "tbody", "td", "tfoot", "th", "thead", "tr" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
- array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th',
|
|
|
- 'thead', 'tr'))) {
|
|
|
- /* If the stack of open elements does not have a td or th element
|
|
|
- in table scope, then this is a parse error; ignore the token.
|
|
|
- (innerHTML case) */
|
|
|
- if(!$this->elementInScope(array('td', 'th'), true)) {
|
|
|
- // Ignore.
|
|
|
-
|
|
|
- /* Otherwise, close the cell (see below) and reprocess the current
|
|
|
- token. */
|
|
|
- } else {
|
|
|
- $this->closeCell();
|
|
|
- return $this->inRow($token);
|
|
|
- }
|
|
|
-
|
|
|
- /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
- "tbody", "td", "tfoot", "th", "thead", "tr" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
- array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th',
|
|
|
- 'thead', 'tr'))) {
|
|
|
- /* If the stack of open elements does not have a td or th element
|
|
|
- in table scope, then this is a parse error; ignore the token.
|
|
|
- (innerHTML case) */
|
|
|
- if(!$this->elementInScope(array('td', 'th'), true)) {
|
|
|
- // Ignore.
|
|
|
-
|
|
|
- /* Otherwise, close the cell (see below) and reprocess the current
|
|
|
- token. */
|
|
|
- } else {
|
|
|
- $this->closeCell();
|
|
|
- return $this->inRow($token);
|
|
|
- }
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "body", "caption", "col",
|
|
|
- "colgroup", "html" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
- array('body', 'caption', 'col', 'colgroup', 'html'))) {
|
|
|
- /* Parse error. Ignore the token. */
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "table", "tbody", "tfoot",
|
|
|
- "thead", "tr" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
- array('table', 'tbody', 'tfoot', 'thead', 'tr'))) {
|
|
|
- /* If the stack of open elements does not have an element in table
|
|
|
- scope with the same tag name as that of the token (which can only
|
|
|
- happen for "tbody", "tfoot" and "thead", or, in the innerHTML case),
|
|
|
- then this is a parse error and the token must be ignored. */
|
|
|
- if(!$this->elementInScope($token['name'], true)) {
|
|
|
- // Ignore.
|
|
|
-
|
|
|
- /* Otherwise, close the cell (see below) and reprocess the current
|
|
|
- token. */
|
|
|
- } else {
|
|
|
- $this->closeCell();
|
|
|
- return $this->inRow($token);
|
|
|
- }
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Process the token as if the insertion mode was "in body". */
|
|
|
- $this->inBody($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inSelect($token) {
|
|
|
- /* Handle the token as follows: */
|
|
|
-
|
|
|
- /* A character token */
|
|
|
- if($token['type'] === HTML5::CHARACTR) {
|
|
|
- /* Append the token's character to the current node. */
|
|
|
- $this->insertText($token['data']);
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the current node with the data
|
|
|
- attribute set to the data given in the comment token. */
|
|
|
- $this->insertComment($token['data']);
|
|
|
-
|
|
|
- /* A start tag token whose tag name is "option" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
- $token['name'] === 'option') {
|
|
|
- /* If the current node is an option element, act as if an end tag
|
|
|
- with the tag name "option" had been seen. */
|
|
|
- if(end($this->stack)->nodeName === 'option') {
|
|
|
- $this->inSelect(array(
|
|
|
- 'name' => 'option',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* A start tag token whose tag name is "optgroup" */
|
|
|
- } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
- $token['name'] === 'optgroup') {
|
|
|
- /* If the current node is an option element, act as if an end tag
|
|
|
- with the tag name "option" had been seen. */
|
|
|
- if(end($this->stack)->nodeName === 'option') {
|
|
|
- $this->inSelect(array(
|
|
|
- 'name' => 'option',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* If the current node is an optgroup element, act as if an end tag
|
|
|
- with the tag name "optgroup" had been seen. */
|
|
|
- if(end($this->stack)->nodeName === 'optgroup') {
|
|
|
- $this->inSelect(array(
|
|
|
- 'name' => 'optgroup',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* An end tag token whose tag name is "optgroup" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
- $token['name'] === 'optgroup') {
|
|
|
- /* First, if the current node is an option element, and the node
|
|
|
- immediately before it in the stack of open elements is an optgroup
|
|
|
- element, then act as if an end tag with the tag name "option" had
|
|
|
- been seen. */
|
|
|
- $elements_in_stack = count($this->stack);
|
|
|
-
|
|
|
- if($this->stack[$elements_in_stack - 1]->nodeName === 'option' &&
|
|
|
- $this->stack[$elements_in_stack - 2]->nodeName === 'optgroup') {
|
|
|
- $this->inSelect(array(
|
|
|
- 'name' => 'option',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
- }
|
|
|
-
|
|
|
- /* If the current node is an optgroup element, then pop that node
|
|
|
- from the stack of open elements. Otherwise, this is a parse error,
|
|
|
- ignore the token. */
|
|
|
- if($this->stack[$elements_in_stack - 1] === 'optgroup') {
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
-
|
|
|
- /* An end tag token whose tag name is "option" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
- $token['name'] === 'option') {
|
|
|
- /* If the current node is an option element, then pop that node
|
|
|
- from the stack of open elements. Otherwise, this is a parse error,
|
|
|
- ignore the token. */
|
|
|
- if(end($this->stack)->nodeName === 'option') {
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
-
|
|
|
- /* An end tag whose tag name is "select" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
- $token['name'] === 'select') {
|
|
|
- /* If the stack of open elements does not have an element in table
|
|
|
- scope with the same tag name as the token, this is a parse error.
|
|
|
- Ignore the token. (innerHTML case) */
|
|
|
- if(!$this->elementInScope($token['name'], true)) {
|
|
|
- // w/e
|
|
|
-
|
|
|
- /* Otherwise: */
|
|
|
- } else {
|
|
|
- /* Pop elements from the stack of open elements until a select
|
|
|
- element has been popped from the stack. */
|
|
|
- while(true) {
|
|
|
- $current = end($this->stack)->nodeName;
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- if($current === 'select') {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /* Reset the insertion mode appropriately. */
|
|
|
- $this->resetInsertionMode();
|
|
|
- }
|
|
|
-
|
|
|
- /* A start tag whose tag name is "select" */
|
|
|
- } elseif($token['name'] === 'select' &&
|
|
|
- $token['type'] === HTML5::STARTTAG) {
|
|
|
- /* Parse error. Act as if the token had been an end tag with the
|
|
|
- tag name "select" instead. */
|
|
|
- $this->inSelect(array(
|
|
|
- 'name' => 'select',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- /* An end tag whose tag name is one of: "caption", "table", "tbody",
|
|
|
- "tfoot", "thead", "tr", "td", "th" */
|
|
|
- } elseif(in_array($token['name'], array('caption', 'table', 'tbody',
|
|
|
- 'tfoot', 'thead', 'tr', 'td', 'th')) && $token['type'] === HTML5::ENDTAG) {
|
|
|
- /* Parse error. */
|
|
|
- // w/e
|
|
|
-
|
|
|
- /* If the stack of open elements has an element in table scope with
|
|
|
- the same tag name as that of the token, then act as if an end tag
|
|
|
- with the tag name "select" had been seen, and reprocess the token.
|
|
|
- Otherwise, ignore the token. */
|
|
|
- if($this->elementInScope($token['name'], true)) {
|
|
|
- $this->inSelect(array(
|
|
|
- 'name' => 'select',
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- $this->mainPhase($token);
|
|
|
- }
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Parse error. Ignore the token. */
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function afterBody($token) {
|
|
|
- /* Handle the token as follows: */
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE */
|
|
|
- if($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
- /* Process the token as it would be processed if the insertion mode
|
|
|
- was "in body". */
|
|
|
- $this->inBody($token);
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the first element in the stack of open
|
|
|
- elements (the html element), with the data attribute set to the
|
|
|
- data given in the comment token. */
|
|
|
- $comment = $this->dom->createComment($token['data']);
|
|
|
- $this->stack[0]->appendChild($comment);
|
|
|
-
|
|
|
- /* An end tag with the tag name "html" */
|
|
|
- } elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'html') {
|
|
|
- /* If the parser was originally created in order to handle the
|
|
|
- setting of an element's innerHTML attribute, this is a parse error;
|
|
|
- ignore the token. (The element will be an html element in this
|
|
|
- case.) (innerHTML case) */
|
|
|
-
|
|
|
- /* Otherwise, switch to the trailing end phase. */
|
|
|
- $this->phase = self::END_PHASE;
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Parse error. Set the insertion mode to "in body" and reprocess
|
|
|
- the token. */
|
|
|
- $this->mode = self::IN_BODY;
|
|
|
- return $this->inBody($token);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function inFrameset($token) {
|
|
|
- /* Handle the token as follows: */
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */
|
|
|
- if($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
- /* Append the character to the current node. */
|
|
|
- $this->insertText($token['data']);
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the current node with the data
|
|
|
- attribute set to the data given in the comment token. */
|
|
|
- $this->insertComment($token['data']);
|
|
|
-
|
|
|
- /* A start tag with the tag name "frameset" */
|
|
|
- } elseif($token['name'] === 'frameset' &&
|
|
|
- $token['type'] === HTML5::STARTTAG) {
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* An end tag with the tag name "frameset" */
|
|
|
- } elseif($token['name'] === 'frameset' &&
|
|
|
- $token['type'] === HTML5::ENDTAG) {
|
|
|
- /* If the current node is the root html element, then this is a
|
|
|
- parse error; ignore the token. (innerHTML case) */
|
|
|
- if(end($this->stack)->nodeName === 'html') {
|
|
|
- // Ignore
|
|
|
-
|
|
|
- } else {
|
|
|
- /* Otherwise, pop the current node from the stack of open
|
|
|
- elements. */
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- /* If the parser was not originally created in order to handle
|
|
|
- the setting of an element's innerHTML attribute (innerHTML case),
|
|
|
- and the current node is no longer a frameset element, then change
|
|
|
- the insertion mode to "after frameset". */
|
|
|
- $this->mode = self::AFTR_FRAME;
|
|
|
- }
|
|
|
-
|
|
|
- /* A start tag with the tag name "frame" */
|
|
|
- } elseif($token['name'] === 'frame' &&
|
|
|
- $token['type'] === HTML5::STARTTAG) {
|
|
|
- /* Insert an HTML element for the token. */
|
|
|
- $this->insertElement($token);
|
|
|
-
|
|
|
- /* Immediately pop the current node off the stack of open elements. */
|
|
|
- array_pop($this->stack);
|
|
|
-
|
|
|
- /* A start tag with the tag name "noframes" */
|
|
|
- } elseif($token['name'] === 'noframes' &&
|
|
|
- $token['type'] === HTML5::STARTTAG) {
|
|
|
- /* Process the token as if the insertion mode had been "in body". */
|
|
|
- $this->inBody($token);
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Parse error. Ignore the token. */
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function afterFrameset($token) {
|
|
|
- /* Handle the token as follows: */
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */
|
|
|
- if($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
- /* Append the character to the current node. */
|
|
|
- $this->insertText($token['data']);
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the current node with the data
|
|
|
- attribute set to the data given in the comment token. */
|
|
|
- $this->insertComment($token['data']);
|
|
|
-
|
|
|
- /* An end tag with the tag name "html" */
|
|
|
- } elseif($token['name'] === 'html' &&
|
|
|
- $token['type'] === HTML5::ENDTAG) {
|
|
|
- /* Switch to the trailing end phase. */
|
|
|
- $this->phase = self::END_PHASE;
|
|
|
-
|
|
|
- /* A start tag with the tag name "noframes" */
|
|
|
- } elseif($token['name'] === 'noframes' &&
|
|
|
- $token['type'] === HTML5::STARTTAG) {
|
|
|
- /* Process the token as if the insertion mode had been "in body". */
|
|
|
- $this->inBody($token);
|
|
|
-
|
|
|
- /* Anything else */
|
|
|
- } else {
|
|
|
- /* Parse error. Ignore the token. */
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function trailingEndPhase($token) {
|
|
|
- /* After the main phase, as each token is emitted from the tokenisation
|
|
|
- stage, it must be processed as described in this section. */
|
|
|
-
|
|
|
- /* A DOCTYPE token */
|
|
|
- if($token['type'] === HTML5::DOCTYPE) {
|
|
|
- // Parse error. Ignore the token.
|
|
|
-
|
|
|
- /* A comment token */
|
|
|
- } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
- /* Append a Comment node to the Document object with the data
|
|
|
- attribute set to the data given in the comment token. */
|
|
|
- $comment = $this->dom->createComment($token['data']);
|
|
|
- $this->dom->appendChild($comment);
|
|
|
-
|
|
|
- /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE */
|
|
|
- } elseif($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
- /* Process the token as it would be processed in the main phase. */
|
|
|
- $this->mainPhase($token);
|
|
|
-
|
|
|
- /* A character token that is not one of U+0009 CHARACTER TABULATION,
|
|
|
- U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
- or U+0020 SPACE. Or a start tag token. Or an end tag token. */
|
|
|
- } elseif(($token['type'] === HTML5::CHARACTR &&
|
|
|
- preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) ||
|
|
|
- $token['type'] === HTML5::STARTTAG || $token['type'] === HTML5::ENDTAG) {
|
|
|
- /* Parse error. Switch back to the main phase and reprocess the
|
|
|
- token. */
|
|
|
- $this->phase = self::MAIN_PHASE;
|
|
|
- return $this->mainPhase($token);
|
|
|
-
|
|
|
- /* An end-of-file token */
|
|
|
- } elseif($token['type'] === HTML5::EOF) {
|
|
|
- /* OMG DONE!! */
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function insertElement($token, $append = true, $check = false) {
|
|
|
- // Proprietary workaround for libxml2's limitations with tag names
|
|
|
- if ($check) {
|
|
|
- // Slightly modified HTML5 tag-name modification,
|
|
|
- // removing anything that's not an ASCII letter, digit, or hyphen
|
|
|
- $token['name'] = preg_replace('/[^a-z0-9-]/i', '', $token['name']);
|
|
|
- // Remove leading hyphens and numbers
|
|
|
- $token['name'] = ltrim($token['name'], '-0..9');
|
|
|
- // In theory, this should ever be needed, but just in case
|
|
|
- if ($token['name'] === '') $token['name'] = 'span'; // arbitrary generic choice
|
|
|
- }
|
|
|
-
|
|
|
- $el = $this->dom->createElement($token['name']);
|
|
|
-
|
|
|
- foreach($token['attr'] as $attr) {
|
|
|
- if(!$el->hasAttribute($attr['name'])) {
|
|
|
- $el->setAttribute($attr['name'], $attr['value']);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- $this->appendToRealParent($el);
|
|
|
- $this->stack[] = $el;
|
|
|
-
|
|
|
- return $el;
|
|
|
- }
|
|
|
-
|
|
|
- private function insertText($data) {
|
|
|
- $text = $this->dom->createTextNode($data);
|
|
|
- $this->appendToRealParent($text);
|
|
|
- }
|
|
|
-
|
|
|
- private function insertComment($data) {
|
|
|
- $comment = $this->dom->createComment($data);
|
|
|
- $this->appendToRealParent($comment);
|
|
|
- }
|
|
|
-
|
|
|
- private function appendToRealParent($node) {
|
|
|
- if($this->foster_parent === null) {
|
|
|
- end($this->stack)->appendChild($node);
|
|
|
-
|
|
|
- } elseif($this->foster_parent !== null) {
|
|
|
- /* If the foster parent element is the parent element of the
|
|
|
- last table element in the stack of open elements, then the new
|
|
|
- node must be inserted immediately before the last table element
|
|
|
- in the stack of open elements in the foster parent element;
|
|
|
- otherwise, the new node must be appended to the foster parent
|
|
|
- element. */
|
|
|
- for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
- if($this->stack[$n]->nodeName === 'table' &&
|
|
|
- $this->stack[$n]->parentNode !== null) {
|
|
|
- $table = $this->stack[$n];
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if(isset($table) && $this->foster_parent->isSameNode($table->parentNode))
|
|
|
- $this->foster_parent->insertBefore($node, $table);
|
|
|
- else
|
|
|
- $this->foster_parent->appendChild($node);
|
|
|
-
|
|
|
- $this->foster_parent = null;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function elementInScope($el, $table = false) {
|
|
|
- if(is_array($el)) {
|
|
|
- foreach($el as $element) {
|
|
|
- if($this->elementInScope($element, $table)) {
|
|
|
- return true;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- $leng = count($this->stack);
|
|
|
-
|
|
|
- for($n = 0; $n < $leng; $n++) {
|
|
|
- /* 1. Initialise node to be the current node (the bottommost node of
|
|
|
- the stack). */
|
|
|
- $node = $this->stack[$leng - 1 - $n];
|
|
|
-
|
|
|
- if($node->tagName === $el) {
|
|
|
- /* 2. If node is the target node, terminate in a match state. */
|
|
|
- return true;
|
|
|
-
|
|
|
- } elseif($node->tagName === 'table') {
|
|
|
- /* 3. Otherwise, if node is a table element, terminate in a failure
|
|
|
- state. */
|
|
|
- return false;
|
|
|
-
|
|
|
- } elseif($table === true && in_array($node->tagName, array('caption', 'td',
|
|
|
- 'th', 'button', 'marquee', 'object'))) {
|
|
|
- /* 4. Otherwise, if the algorithm is the "has an element in scope"
|
|
|
- variant (rather than the "has an element in table scope" variant),
|
|
|
- and node is one of the following, terminate in a failure state. */
|
|
|
- return false;
|
|
|
-
|
|
|
- } elseif($node === $node->ownerDocument->documentElement) {
|
|
|
- /* 5. Otherwise, if node is an html element (root element), terminate
|
|
|
- in a failure state. (This can only happen if the node is the topmost
|
|
|
- node of the stack of open elements, and prevents the next step from
|
|
|
- being invoked if there are no more elements in the stack.) */
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- /* Otherwise, set node to the previous entry in the stack of open
|
|
|
- elements and return to step 2. (This will never fail, since the loop
|
|
|
- will always terminate in the previous step if the top of the stack
|
|
|
- is reached.) */
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function reconstructActiveFormattingElements() {
|
|
|
- /* 1. If there are no entries in the list of active formatting elements,
|
|
|
- then there is nothing to reconstruct; stop this algorithm. */
|
|
|
- $formatting_elements = count($this->a_formatting);
|
|
|
-
|
|
|
- if($formatting_elements === 0) {
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- /* 3. Let entry be the last (most recently added) element in the list
|
|
|
- of active formatting elements. */
|
|
|
- $entry = end($this->a_formatting);
|
|
|
-
|
|
|
- /* 2. If the last (most recently added) entry in the list of active
|
|
|
- formatting elements is a marker, or if it is an element that is in the
|
|
|
- stack of open elements, then there is nothing to reconstruct; stop this
|
|
|
- algorithm. */
|
|
|
- if($entry === self::MARKER || in_array($entry, $this->stack, true)) {
|
|
|
- return false;
|
|
|
- }
|
|
|
-
|
|
|
- for($a = $formatting_elements - 1; $a >= 0; true) {
|
|
|
- /* 4. If there are no entries before entry in the list of active
|
|
|
- formatting elements, then jump to step 8. */
|
|
|
- if($a === 0) {
|
|
|
- $step_seven = false;
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- /* 5. Let entry be the entry one earlier than entry in the list of
|
|
|
- active formatting elements. */
|
|
|
- $a--;
|
|
|
- $entry = $this->a_formatting[$a];
|
|
|
-
|
|
|
- /* 6. If entry is neither a marker nor an element that is also in
|
|
|
- thetack of open elements, go to step 4. */
|
|
|
- if($entry === self::MARKER || in_array($entry, $this->stack, true)) {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- while(true) {
|
|
|
- /* 7. Let entry be the element one later than entry in the list of
|
|
|
- active formatting elements. */
|
|
|
- if(isset($step_seven) && $step_seven === true) {
|
|
|
- $a++;
|
|
|
- $entry = $this->a_formatting[$a];
|
|
|
- }
|
|
|
-
|
|
|
- /* 8. Perform a shallow clone of the element entry to obtain clone. */
|
|
|
- $clone = $entry->cloneNode();
|
|
|
-
|
|
|
- /* 9. Append clone to the current node and push it onto the stack
|
|
|
- of open elements so that it is the new current node. */
|
|
|
- end($this->stack)->appendChild($clone);
|
|
|
- $this->stack[] = $clone;
|
|
|
-
|
|
|
- /* 10. Replace the entry for entry in the list with an entry for
|
|
|
- clone. */
|
|
|
- $this->a_formatting[$a] = $clone;
|
|
|
-
|
|
|
- /* 11. If the entry for clone in the list of active formatting
|
|
|
- elements is not the last entry in the list, return to step 7. */
|
|
|
- if(end($this->a_formatting) !== $clone) {
|
|
|
- $step_seven = true;
|
|
|
- } else {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function clearTheActiveFormattingElementsUpToTheLastMarker() {
|
|
|
- /* When the steps below require the UA to clear the list of active
|
|
|
- formatting elements up to the last marker, the UA must perform the
|
|
|
- following steps: */
|
|
|
-
|
|
|
- while(true) {
|
|
|
- /* 1. Let entry be the last (most recently added) entry in the list
|
|
|
- of active formatting elements. */
|
|
|
- $entry = end($this->a_formatting);
|
|
|
-
|
|
|
- /* 2. Remove entry from the list of active formatting elements. */
|
|
|
- array_pop($this->a_formatting);
|
|
|
-
|
|
|
- /* 3. If entry was a marker, then stop the algorithm at this point.
|
|
|
- The list has been cleared up to the last marker. */
|
|
|
- if($entry === self::MARKER) {
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function generateImpliedEndTags($exclude = array()) {
|
|
|
- /* When the steps below require the UA to generate implied end tags,
|
|
|
- then, if the current node is a dd element, a dt element, an li element,
|
|
|
- a p element, a td element, a th element, or a tr element, the UA must
|
|
|
- act as if an end tag with the respective tag name had been seen and
|
|
|
- then generate implied end tags again. */
|
|
|
- $node = end($this->stack);
|
|
|
- $elements = array_diff(array('dd', 'dt', 'li', 'p', 'td', 'th', 'tr'), $exclude);
|
|
|
-
|
|
|
- while(in_array(end($this->stack)->nodeName, $elements)) {
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function getElementCategory($node) {
|
|
|
- $name = $node->tagName;
|
|
|
- if(in_array($name, $this->special))
|
|
|
- return self::SPECIAL;
|
|
|
-
|
|
|
- elseif(in_array($name, $this->scoping))
|
|
|
- return self::SCOPING;
|
|
|
-
|
|
|
- elseif(in_array($name, $this->formatting))
|
|
|
- return self::FORMATTING;
|
|
|
-
|
|
|
- else
|
|
|
- return self::PHRASING;
|
|
|
- }
|
|
|
-
|
|
|
- private function clearStackToTableContext($elements) {
|
|
|
- /* When the steps above require the UA to clear the stack back to a
|
|
|
- table context, it means that the UA must, while the current node is not
|
|
|
- a table element or an html element, pop elements from the stack of open
|
|
|
- elements. If this causes any elements to be popped from the stack, then
|
|
|
- this is a parse error. */
|
|
|
- while(true) {
|
|
|
- $node = end($this->stack)->nodeName;
|
|
|
-
|
|
|
- if(in_array($node, $elements)) {
|
|
|
- break;
|
|
|
- } else {
|
|
|
- array_pop($this->stack);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function resetInsertionMode() {
|
|
|
- /* 1. Let last be false. */
|
|
|
- $last = false;
|
|
|
- $leng = count($this->stack);
|
|
|
-
|
|
|
- for($n = $leng - 1; $n >= 0; $n--) {
|
|
|
- /* 2. Let node be the last node in the stack of open elements. */
|
|
|
- $node = $this->stack[$n];
|
|
|
-
|
|
|
- /* 3. If node is the first node in the stack of open elements, then
|
|
|
- set last to true. If the element whose innerHTML attribute is being
|
|
|
- set is neither a td element nor a th element, then set node to the
|
|
|
- element whose innerHTML attribute is being set. (innerHTML case) */
|
|
|
- if($this->stack[0]->isSameNode($node)) {
|
|
|
- $last = true;
|
|
|
- }
|
|
|
-
|
|
|
- /* 4. If node is a select element, then switch the insertion mode to
|
|
|
- "in select" and abort these steps. (innerHTML case) */
|
|
|
- if($node->nodeName === 'select') {
|
|
|
- $this->mode = self::IN_SELECT;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 5. If node is a td or th element, then switch the insertion mode
|
|
|
- to "in cell" and abort these steps. */
|
|
|
- } elseif($node->nodeName === 'td' || $node->nodeName === 'th') {
|
|
|
- $this->mode = self::IN_CELL;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 6. If node is a tr element, then switch the insertion mode to
|
|
|
- "in row" and abort these steps. */
|
|
|
- } elseif($node->nodeName === 'tr') {
|
|
|
- $this->mode = self::IN_ROW;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 7. If node is a tbody, thead, or tfoot element, then switch the
|
|
|
- insertion mode to "in table body" and abort these steps. */
|
|
|
- } elseif(in_array($node->nodeName, array('tbody', 'thead', 'tfoot'))) {
|
|
|
- $this->mode = self::IN_TBODY;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 8. If node is a caption element, then switch the insertion mode
|
|
|
- to "in caption" and abort these steps. */
|
|
|
- } elseif($node->nodeName === 'caption') {
|
|
|
- $this->mode = self::IN_CAPTION;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 9. If node is a colgroup element, then switch the insertion mode
|
|
|
- to "in column group" and abort these steps. (innerHTML case) */
|
|
|
- } elseif($node->nodeName === 'colgroup') {
|
|
|
- $this->mode = self::IN_CGROUP;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 10. If node is a table element, then switch the insertion mode
|
|
|
- to "in table" and abort these steps. */
|
|
|
- } elseif($node->nodeName === 'table') {
|
|
|
- $this->mode = self::IN_TABLE;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 11. If node is a head element, then switch the insertion mode
|
|
|
- to "in body" ("in body"! not "in head"!) and abort these steps.
|
|
|
- (innerHTML case) */
|
|
|
- } elseif($node->nodeName === 'head') {
|
|
|
- $this->mode = self::IN_BODY;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 12. If node is a body element, then switch the insertion mode to
|
|
|
- "in body" and abort these steps. */
|
|
|
- } elseif($node->nodeName === 'body') {
|
|
|
- $this->mode = self::IN_BODY;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 13. If node is a frameset element, then switch the insertion
|
|
|
- mode to "in frameset" and abort these steps. (innerHTML case) */
|
|
|
- } elseif($node->nodeName === 'frameset') {
|
|
|
- $this->mode = self::IN_FRAME;
|
|
|
- break;
|
|
|
-
|
|
|
- /* 14. If node is an html element, then: if the head element
|
|
|
- pointer is null, switch the insertion mode to "before head",
|
|
|
- otherwise, switch the insertion mode to "after head". In either
|
|
|
- case, abort these steps. (innerHTML case) */
|
|
|
- } elseif($node->nodeName === 'html') {
|
|
|
- $this->mode = ($this->head_pointer === null)
|
|
|
- ? self::BEFOR_HEAD
|
|
|
- : self::AFTER_HEAD;
|
|
|
-
|
|
|
- break;
|
|
|
-
|
|
|
- /* 15. If last is true, then set the insertion mode to "in body"
|
|
|
- and abort these steps. (innerHTML case) */
|
|
|
- } elseif($last) {
|
|
|
- $this->mode = self::IN_BODY;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- private function closeCell() {
|
|
|
- /* If the stack of open elements has a td or th element in table scope,
|
|
|
- then act as if an end tag token with that tag name had been seen. */
|
|
|
- foreach(array('td', 'th') as $cell) {
|
|
|
- if($this->elementInScope($cell, true)) {
|
|
|
- $this->inCell(array(
|
|
|
- 'name' => $cell,
|
|
|
- 'type' => HTML5::ENDTAG
|
|
|
- ));
|
|
|
-
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- public function save() {
|
|
|
- return $this->dom;
|
|
|
- }
|
|
|
-}
|
|
|
-?>
|
|
|
+<?php
|
|
|
+
|
|
|
+/**
|
|
|
+ * Experimental HTML5-based parser using Jeroen van der Meer's PH5P library.
|
|
|
+ * Occupies space in the HTML5 pseudo-namespace, which may cause conflicts.
|
|
|
+ *
|
|
|
+ * @note
|
|
|
+ * Recent changes to PHP's DOM extension have resulted in some fatal
|
|
|
+ * error conditions with the original version of PH5P. Pending changes,
|
|
|
+ * this lexer will punt to DirectLex if DOM throughs an exception.
|
|
|
+ */
|
|
|
+
|
|
|
+class HTMLPurifier_Lexer_PH5P extends HTMLPurifier_Lexer_DOMLex {
|
|
|
+
|
|
|
+ public function tokenizeHTML($html, $config, $context) {
|
|
|
+ $new_html = $this->normalize($html, $config, $context);
|
|
|
+ $new_html = $this->wrapHTML($new_html, $config, $context);
|
|
|
+ try {
|
|
|
+ $parser = new HTML5($new_html);
|
|
|
+ $doc = $parser->save();
|
|
|
+ } catch (DOMException $e) {
|
|
|
+ // Uh oh, it failed. Punt to DirectLex.
|
|
|
+ $lexer = new HTMLPurifier_Lexer_DirectLex();
|
|
|
+ $context->register('PH5PError', $e); // save the error, so we can detect it
|
|
|
+ return $lexer->tokenizeHTML($html, $config, $context); // use original HTML
|
|
|
+ }
|
|
|
+ $tokens = array();
|
|
|
+ $this->tokenizeDOM(
|
|
|
+ $doc->getElementsByTagName('html')->item(0)-> // <html>
|
|
|
+ getElementsByTagName('body')->item(0)-> // <body>
|
|
|
+ getElementsByTagName('div')->item(0) // <div>
|
|
|
+ , $tokens);
|
|
|
+ return $tokens;
|
|
|
+ }
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+
|
|
|
+Copyright 2007 Jeroen van der Meer <http://jero.net/>
|
|
|
+
|
|
|
+Permission is hereby granted, free of charge, to any person obtaining a
|
|
|
+copy of this software and associated documentation files (the
|
|
|
+"Software"), to deal in the Software without restriction, including
|
|
|
+without limitation the rights to use, copy, modify, merge, publish,
|
|
|
+distribute, sublicense, and/or sell copies of the Software, and to
|
|
|
+permit persons to whom the Software is furnished to do so, subject to
|
|
|
+the following conditions:
|
|
|
+
|
|
|
+The above copyright notice and this permission notice shall be included
|
|
|
+in all copies or substantial portions of the Software.
|
|
|
+
|
|
|
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
|
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
|
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
|
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
|
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
|
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
|
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
+
|
|
|
+*/
|
|
|
+
|
|
|
+class HTML5 {
|
|
|
+ private $data;
|
|
|
+ private $char;
|
|
|
+ private $EOF;
|
|
|
+ private $state;
|
|
|
+ private $tree;
|
|
|
+ private $token;
|
|
|
+ private $content_model;
|
|
|
+ private $escape = false;
|
|
|
+ private $entities = array('AElig;','AElig','AMP;','AMP','Aacute;','Aacute',
|
|
|
+ 'Acirc;','Acirc','Agrave;','Agrave','Alpha;','Aring;','Aring','Atilde;',
|
|
|
+ 'Atilde','Auml;','Auml','Beta;','COPY;','COPY','Ccedil;','Ccedil','Chi;',
|
|
|
+ 'Dagger;','Delta;','ETH;','ETH','Eacute;','Eacute','Ecirc;','Ecirc','Egrave;',
|
|
|
+ 'Egrave','Epsilon;','Eta;','Euml;','Euml','GT;','GT','Gamma;','Iacute;',
|
|
|
+ 'Iacute','Icirc;','Icirc','Igrave;','Igrave','Iota;','Iuml;','Iuml','Kappa;',
|
|
|
+ 'LT;','LT','Lambda;','Mu;','Ntilde;','Ntilde','Nu;','OElig;','Oacute;',
|
|
|
+ 'Oacute','Ocirc;','Ocirc','Ograve;','Ograve','Omega;','Omicron;','Oslash;',
|
|
|
+ 'Oslash','Otilde;','Otilde','Ouml;','Ouml','Phi;','Pi;','Prime;','Psi;',
|
|
|
+ 'QUOT;','QUOT','REG;','REG','Rho;','Scaron;','Sigma;','THORN;','THORN',
|
|
|
+ 'TRADE;','Tau;','Theta;','Uacute;','Uacute','Ucirc;','Ucirc','Ugrave;',
|
|
|
+ 'Ugrave','Upsilon;','Uuml;','Uuml','Xi;','Yacute;','Yacute','Yuml;','Zeta;',
|
|
|
+ 'aacute;','aacute','acirc;','acirc','acute;','acute','aelig;','aelig',
|
|
|
+ 'agrave;','agrave','alefsym;','alpha;','amp;','amp','and;','ang;','apos;',
|
|
|
+ 'aring;','aring','asymp;','atilde;','atilde','auml;','auml','bdquo;','beta;',
|
|
|
+ 'brvbar;','brvbar','bull;','cap;','ccedil;','ccedil','cedil;','cedil',
|
|
|
+ 'cent;','cent','chi;','circ;','clubs;','cong;','copy;','copy','crarr;',
|
|
|
+ 'cup;','curren;','curren','dArr;','dagger;','darr;','deg;','deg','delta;',
|
|
|
+ 'diams;','divide;','divide','eacute;','eacute','ecirc;','ecirc','egrave;',
|
|
|
+ 'egrave','empty;','emsp;','ensp;','epsilon;','equiv;','eta;','eth;','eth',
|
|
|
+ 'euml;','euml','euro;','exist;','fnof;','forall;','frac12;','frac12',
|
|
|
+ 'frac14;','frac14','frac34;','frac34','frasl;','gamma;','ge;','gt;','gt',
|
|
|
+ 'hArr;','harr;','hearts;','hellip;','iacute;','iacute','icirc;','icirc',
|
|
|
+ 'iexcl;','iexcl','igrave;','igrave','image;','infin;','int;','iota;',
|
|
|
+ 'iquest;','iquest','isin;','iuml;','iuml','kappa;','lArr;','lambda;','lang;',
|
|
|
+ 'laquo;','laquo','larr;','lceil;','ldquo;','le;','lfloor;','lowast;','loz;',
|
|
|
+ 'lrm;','lsaquo;','lsquo;','lt;','lt','macr;','macr','mdash;','micro;','micro',
|
|
|
+ 'middot;','middot','minus;','mu;','nabla;','nbsp;','nbsp','ndash;','ne;',
|
|
|
+ 'ni;','not;','not','notin;','nsub;','ntilde;','ntilde','nu;','oacute;',
|
|
|
+ 'oacute','ocirc;','ocirc','oelig;','ograve;','ograve','oline;','omega;',
|
|
|
+ 'omicron;','oplus;','or;','ordf;','ordf','ordm;','ordm','oslash;','oslash',
|
|
|
+ 'otilde;','otilde','otimes;','ouml;','ouml','para;','para','part;','permil;',
|
|
|
+ 'perp;','phi;','pi;','piv;','plusmn;','plusmn','pound;','pound','prime;',
|
|
|
+ 'prod;','prop;','psi;','quot;','quot','rArr;','radic;','rang;','raquo;',
|
|
|
+ 'raquo','rarr;','rceil;','rdquo;','real;','reg;','reg','rfloor;','rho;',
|
|
|
+ 'rlm;','rsaquo;','rsquo;','sbquo;','scaron;','sdot;','sect;','sect','shy;',
|
|
|
+ 'shy','sigma;','sigmaf;','sim;','spades;','sub;','sube;','sum;','sup1;',
|
|
|
+ 'sup1','sup2;','sup2','sup3;','sup3','sup;','supe;','szlig;','szlig','tau;',
|
|
|
+ 'there4;','theta;','thetasym;','thinsp;','thorn;','thorn','tilde;','times;',
|
|
|
+ 'times','trade;','uArr;','uacute;','uacute','uarr;','ucirc;','ucirc',
|
|
|
+ 'ugrave;','ugrave','uml;','uml','upsih;','upsilon;','uuml;','uuml','weierp;',
|
|
|
+ 'xi;','yacute;','yacute','yen;','yen','yuml;','yuml','zeta;','zwj;','zwnj;');
|
|
|
+
|
|
|
+ const PCDATA = 0;
|
|
|
+ const RCDATA = 1;
|
|
|
+ const CDATA = 2;
|
|
|
+ const PLAINTEXT = 3;
|
|
|
+
|
|
|
+ const DOCTYPE = 0;
|
|
|
+ const STARTTAG = 1;
|
|
|
+ const ENDTAG = 2;
|
|
|
+ const COMMENT = 3;
|
|
|
+ const CHARACTR = 4;
|
|
|
+ const EOF = 5;
|
|
|
+
|
|
|
+ public function __construct($data) {
|
|
|
+
|
|
|
+ $this->data = $data;
|
|
|
+ $this->char = -1;
|
|
|
+ $this->EOF = strlen($data);
|
|
|
+ $this->tree = new HTML5TreeConstructer;
|
|
|
+ $this->content_model = self::PCDATA;
|
|
|
+
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ while($this->state !== null) {
|
|
|
+ $this->{$this->state.'State'}();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public function save() {
|
|
|
+ return $this->tree->save();
|
|
|
+ }
|
|
|
+
|
|
|
+ private function char() {
|
|
|
+ return ($this->char < $this->EOF)
|
|
|
+ ? $this->data[$this->char]
|
|
|
+ : false;
|
|
|
+ }
|
|
|
+
|
|
|
+ private function character($s, $l = 0) {
|
|
|
+ if($s + $l < $this->EOF) {
|
|
|
+ if($l === 0) {
|
|
|
+ return $this->data[$s];
|
|
|
+ } else {
|
|
|
+ return substr($this->data, $s, $l);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function characters($char_class, $start) {
|
|
|
+ return preg_replace('#^(['.$char_class.']+).*#s', '\\1', substr($this->data, $start));
|
|
|
+ }
|
|
|
+
|
|
|
+ private function dataState() {
|
|
|
+ // Consume the next input character
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ if($char === '&' && ($this->content_model === self::PCDATA || $this->content_model === self::RCDATA)) {
|
|
|
+ /* U+0026 AMPERSAND (&)
|
|
|
+ When the content model flag is set to one of the PCDATA or RCDATA
|
|
|
+ states: switch to the entity data state. Otherwise: treat it as per
|
|
|
+ the "anything else" entry below. */
|
|
|
+ $this->state = 'entityData';
|
|
|
+
|
|
|
+ } elseif($char === '-') {
|
|
|
+ /* If the content model flag is set to either the RCDATA state or
|
|
|
+ the CDATA state, and the escape flag is false, and there are at
|
|
|
+ least three characters before this one in the input stream, and the
|
|
|
+ last four characters in the input stream, including this one, are
|
|
|
+ U+003C LESS-THAN SIGN, U+0021 EXCLAMATION MARK, U+002D HYPHEN-MINUS,
|
|
|
+ and U+002D HYPHEN-MINUS ("<!--"), then set the escape flag to true. */
|
|
|
+ if(($this->content_model === self::RCDATA || $this->content_model ===
|
|
|
+ self::CDATA) && $this->escape === false &&
|
|
|
+ $this->char >= 3 && $this->character($this->char - 4, 4) === '<!--') {
|
|
|
+ $this->escape = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* In any case, emit the input character as a character token. Stay
|
|
|
+ in the data state. */
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => $char
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* U+003C LESS-THAN SIGN (<) */
|
|
|
+ } elseif($char === '<' && ($this->content_model === self::PCDATA ||
|
|
|
+ (($this->content_model === self::RCDATA ||
|
|
|
+ $this->content_model === self::CDATA) && $this->escape === false))) {
|
|
|
+ /* When the content model flag is set to the PCDATA state: switch
|
|
|
+ to the tag open state.
|
|
|
+
|
|
|
+ When the content model flag is set to either the RCDATA state or
|
|
|
+ the CDATA state and the escape flag is false: switch to the tag
|
|
|
+ open state.
|
|
|
+
|
|
|
+ Otherwise: treat it as per the "anything else" entry below. */
|
|
|
+ $this->state = 'tagOpen';
|
|
|
+
|
|
|
+ /* U+003E GREATER-THAN SIGN (>) */
|
|
|
+ } elseif($char === '>') {
|
|
|
+ /* If the content model flag is set to either the RCDATA state or
|
|
|
+ the CDATA state, and the escape flag is true, and the last three
|
|
|
+ characters in the input stream including this one are U+002D
|
|
|
+ HYPHEN-MINUS, U+002D HYPHEN-MINUS, U+003E GREATER-THAN SIGN ("-->"),
|
|
|
+ set the escape flag to false. */
|
|
|
+ if(($this->content_model === self::RCDATA ||
|
|
|
+ $this->content_model === self::CDATA) && $this->escape === true &&
|
|
|
+ $this->character($this->char, 3) === '-->') {
|
|
|
+ $this->escape = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* In any case, emit the input character as a character token.
|
|
|
+ Stay in the data state. */
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => $char
|
|
|
+ ));
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* EOF
|
|
|
+ Emit an end-of-file token. */
|
|
|
+ $this->EOF();
|
|
|
+
|
|
|
+ } elseif($this->content_model === self::PLAINTEXT) {
|
|
|
+ /* When the content model flag is set to the PLAINTEXT state
|
|
|
+ THIS DIFFERS GREATLY FROM THE SPEC: Get the remaining characters of
|
|
|
+ the text and emit it as a character token. */
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => substr($this->data, $this->char)
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->EOF();
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ THIS DIFFERS GREATLY FROM THE SPEC: Get as many character that
|
|
|
+ otherwise would also be treated as a character token and emit it
|
|
|
+ as a single character token. Stay in the data state. */
|
|
|
+ $len = strcspn($this->data, '<&', $this->char);
|
|
|
+ $char = substr($this->data, $this->char, $len);
|
|
|
+ $this->char += $len - 1;
|
|
|
+
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => $char
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->state = 'data';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function entityDataState() {
|
|
|
+ // Attempt to consume an entity.
|
|
|
+ $entity = $this->entity();
|
|
|
+
|
|
|
+ // If nothing is returned, emit a U+0026 AMPERSAND character token.
|
|
|
+ // Otherwise, emit the character token that was returned.
|
|
|
+ $char = (!$entity) ? '&' : $entity;
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => $char
|
|
|
+ ));
|
|
|
+
|
|
|
+ // Finally, switch to the data state.
|
|
|
+ $this->state = 'data';
|
|
|
+ }
|
|
|
+
|
|
|
+ private function tagOpenState() {
|
|
|
+ switch($this->content_model) {
|
|
|
+ case self::RCDATA:
|
|
|
+ case self::CDATA:
|
|
|
+ /* If the next input character is a U+002F SOLIDUS (/) character,
|
|
|
+ consume it and switch to the close tag open state. If the next
|
|
|
+ input character is not a U+002F SOLIDUS (/) character, emit a
|
|
|
+ U+003C LESS-THAN SIGN character token and switch to the data
|
|
|
+ state to process the next input character. */
|
|
|
+ if($this->character($this->char + 1) === '/') {
|
|
|
+ $this->char++;
|
|
|
+ $this->state = 'closeTagOpen';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => '<'
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->state = 'data';
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ case self::PCDATA:
|
|
|
+ // If the content model flag is set to the PCDATA state
|
|
|
+ // Consume the next input character:
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ if($char === '!') {
|
|
|
+ /* U+0021 EXCLAMATION MARK (!)
|
|
|
+ Switch to the markup declaration open state. */
|
|
|
+ $this->state = 'markupDeclarationOpen';
|
|
|
+
|
|
|
+ } elseif($char === '/') {
|
|
|
+ /* U+002F SOLIDUS (/)
|
|
|
+ Switch to the close tag open state. */
|
|
|
+ $this->state = 'closeTagOpen';
|
|
|
+
|
|
|
+ } elseif(preg_match('/^[A-Za-z]$/', $char)) {
|
|
|
+ /* U+0041 LATIN LETTER A through to U+005A LATIN LETTER Z
|
|
|
+ Create a new start tag token, set its tag name to the lowercase
|
|
|
+ version of the input character (add 0x0020 to the character's code
|
|
|
+ point), then switch to the tag name state. (Don't emit the token
|
|
|
+ yet; further details will be filled in before it is emitted.) */
|
|
|
+ $this->token = array(
|
|
|
+ 'name' => strtolower($char),
|
|
|
+ 'type' => self::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ );
|
|
|
+
|
|
|
+ $this->state = 'tagName';
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ /* U+003E GREATER-THAN SIGN (>)
|
|
|
+ Parse error. Emit a U+003C LESS-THAN SIGN character token and a
|
|
|
+ U+003E GREATER-THAN SIGN character token. Switch to the data state. */
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => '<>'
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($char === '?') {
|
|
|
+ /* U+003F QUESTION MARK (?)
|
|
|
+ Parse error. Switch to the bogus comment state. */
|
|
|
+ $this->state = 'bogusComment';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ Parse error. Emit a U+003C LESS-THAN SIGN character token and
|
|
|
+ reconsume the current input character in the data state. */
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => '<'
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function closeTagOpenState() {
|
|
|
+ $next_node = strtolower($this->characters('A-Za-z', $this->char + 1));
|
|
|
+ $the_same = count($this->tree->stack) > 0 && $next_node === end($this->tree->stack)->nodeName;
|
|
|
+
|
|
|
+ if(($this->content_model === self::RCDATA || $this->content_model === self::CDATA) &&
|
|
|
+ (!$the_same || ($the_same && (!preg_match('/[\t\n\x0b\x0c >\/]/',
|
|
|
+ $this->character($this->char + 1 + strlen($next_node))) || $this->EOF === $this->char)))) {
|
|
|
+ /* If the content model flag is set to the RCDATA or CDATA states then
|
|
|
+ examine the next few characters. If they do not match the tag name of
|
|
|
+ the last start tag token emitted (case insensitively), or if they do but
|
|
|
+ they are not immediately followed by one of the following characters:
|
|
|
+ * U+0009 CHARACTER TABULATION
|
|
|
+ * U+000A LINE FEED (LF)
|
|
|
+ * U+000B LINE TABULATION
|
|
|
+ * U+000C FORM FEED (FF)
|
|
|
+ * U+0020 SPACE
|
|
|
+ * U+003E GREATER-THAN SIGN (>)
|
|
|
+ * U+002F SOLIDUS (/)
|
|
|
+ * EOF
|
|
|
+ ...then there is a parse error. Emit a U+003C LESS-THAN SIGN character
|
|
|
+ token, a U+002F SOLIDUS character token, and switch to the data state
|
|
|
+ to process the next input character. */
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => '</'
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Otherwise, if the content model flag is set to the PCDATA state,
|
|
|
+ or if the next few characters do match that tag name, consume the
|
|
|
+ next input character: */
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ if(preg_match('/^[A-Za-z]$/', $char)) {
|
|
|
+ /* U+0041 LATIN LETTER A through to U+005A LATIN LETTER Z
|
|
|
+ Create a new end tag token, set its tag name to the lowercase version
|
|
|
+ of the input character (add 0x0020 to the character's code point), then
|
|
|
+ switch to the tag name state. (Don't emit the token yet; further details
|
|
|
+ will be filled in before it is emitted.) */
|
|
|
+ $this->token = array(
|
|
|
+ 'name' => strtolower($char),
|
|
|
+ 'type' => self::ENDTAG
|
|
|
+ );
|
|
|
+
|
|
|
+ $this->state = 'tagName';
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ /* U+003E GREATER-THAN SIGN (>)
|
|
|
+ Parse error. Switch to the data state. */
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* EOF
|
|
|
+ Parse error. Emit a U+003C LESS-THAN SIGN character token and a U+002F
|
|
|
+ SOLIDUS character token. Reconsume the EOF character in the data state. */
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'type' => self::CHARACTR,
|
|
|
+ 'data' => '</'
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Parse error. Switch to the bogus comment state. */
|
|
|
+ $this->state = 'bogusComment';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function tagNameState() {
|
|
|
+ // Consume the next input character:
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->character($this->char);
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ /* U+0009 CHARACTER TABULATION
|
|
|
+ U+000A LINE FEED (LF)
|
|
|
+ U+000B LINE TABULATION
|
|
|
+ U+000C FORM FEED (FF)
|
|
|
+ U+0020 SPACE
|
|
|
+ Switch to the before attribute name state. */
|
|
|
+ $this->state = 'beforeAttributeName';
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ /* U+003E GREATER-THAN SIGN (>)
|
|
|
+ Emit the current tag token. Switch to the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* EOF
|
|
|
+ Parse error. Emit the current tag token. Reconsume the EOF
|
|
|
+ character in the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($char === '/') {
|
|
|
+ /* U+002F SOLIDUS (/)
|
|
|
+ Parse error unless this is a permitted slash. Switch to the before
|
|
|
+ attribute name state. */
|
|
|
+ $this->state = 'beforeAttributeName';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ Append the current input character to the current tag token's tag name.
|
|
|
+ Stay in the tag name state. */
|
|
|
+ $this->token['name'] .= strtolower($char);
|
|
|
+ $this->state = 'tagName';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function beforeAttributeNameState() {
|
|
|
+ // Consume the next input character:
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->character($this->char);
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ /* U+0009 CHARACTER TABULATION
|
|
|
+ U+000A LINE FEED (LF)
|
|
|
+ U+000B LINE TABULATION
|
|
|
+ U+000C FORM FEED (FF)
|
|
|
+ U+0020 SPACE
|
|
|
+ Stay in the before attribute name state. */
|
|
|
+ $this->state = 'beforeAttributeName';
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ /* U+003E GREATER-THAN SIGN (>)
|
|
|
+ Emit the current tag token. Switch to the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($char === '/') {
|
|
|
+ /* U+002F SOLIDUS (/)
|
|
|
+ Parse error unless this is a permitted slash. Stay in the before
|
|
|
+ attribute name state. */
|
|
|
+ $this->state = 'beforeAttributeName';
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* EOF
|
|
|
+ Parse error. Emit the current tag token. Reconsume the EOF
|
|
|
+ character in the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ Start a new attribute in the current tag token. Set that attribute's
|
|
|
+ name to the current input character, and its value to the empty string.
|
|
|
+ Switch to the attribute name state. */
|
|
|
+ $this->token['attr'][] = array(
|
|
|
+ 'name' => strtolower($char),
|
|
|
+ 'value' => null
|
|
|
+ );
|
|
|
+
|
|
|
+ $this->state = 'attributeName';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function attributeNameState() {
|
|
|
+ // Consume the next input character:
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->character($this->char);
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ /* U+0009 CHARACTER TABULATION
|
|
|
+ U+000A LINE FEED (LF)
|
|
|
+ U+000B LINE TABULATION
|
|
|
+ U+000C FORM FEED (FF)
|
|
|
+ U+0020 SPACE
|
|
|
+ Stay in the before attribute name state. */
|
|
|
+ $this->state = 'afterAttributeName';
|
|
|
+
|
|
|
+ } elseif($char === '=') {
|
|
|
+ /* U+003D EQUALS SIGN (=)
|
|
|
+ Switch to the before attribute value state. */
|
|
|
+ $this->state = 'beforeAttributeValue';
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ /* U+003E GREATER-THAN SIGN (>)
|
|
|
+ Emit the current tag token. Switch to the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($char === '/' && $this->character($this->char + 1) !== '>') {
|
|
|
+ /* U+002F SOLIDUS (/)
|
|
|
+ Parse error unless this is a permitted slash. Switch to the before
|
|
|
+ attribute name state. */
|
|
|
+ $this->state = 'beforeAttributeName';
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* EOF
|
|
|
+ Parse error. Emit the current tag token. Reconsume the EOF
|
|
|
+ character in the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ Append the current input character to the current attribute's name.
|
|
|
+ Stay in the attribute name state. */
|
|
|
+ $last = count($this->token['attr']) - 1;
|
|
|
+ $this->token['attr'][$last]['name'] .= strtolower($char);
|
|
|
+
|
|
|
+ $this->state = 'attributeName';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function afterAttributeNameState() {
|
|
|
+ // Consume the next input character:
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->character($this->char);
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ /* U+0009 CHARACTER TABULATION
|
|
|
+ U+000A LINE FEED (LF)
|
|
|
+ U+000B LINE TABULATION
|
|
|
+ U+000C FORM FEED (FF)
|
|
|
+ U+0020 SPACE
|
|
|
+ Stay in the after attribute name state. */
|
|
|
+ $this->state = 'afterAttributeName';
|
|
|
+
|
|
|
+ } elseif($char === '=') {
|
|
|
+ /* U+003D EQUALS SIGN (=)
|
|
|
+ Switch to the before attribute value state. */
|
|
|
+ $this->state = 'beforeAttributeValue';
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ /* U+003E GREATER-THAN SIGN (>)
|
|
|
+ Emit the current tag token. Switch to the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($char === '/' && $this->character($this->char + 1) !== '>') {
|
|
|
+ /* U+002F SOLIDUS (/)
|
|
|
+ Parse error unless this is a permitted slash. Switch to the
|
|
|
+ before attribute name state. */
|
|
|
+ $this->state = 'beforeAttributeName';
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* EOF
|
|
|
+ Parse error. Emit the current tag token. Reconsume the EOF
|
|
|
+ character in the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ Start a new attribute in the current tag token. Set that attribute's
|
|
|
+ name to the current input character, and its value to the empty string.
|
|
|
+ Switch to the attribute name state. */
|
|
|
+ $this->token['attr'][] = array(
|
|
|
+ 'name' => strtolower($char),
|
|
|
+ 'value' => null
|
|
|
+ );
|
|
|
+
|
|
|
+ $this->state = 'attributeName';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function beforeAttributeValueState() {
|
|
|
+ // Consume the next input character:
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->character($this->char);
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ /* U+0009 CHARACTER TABULATION
|
|
|
+ U+000A LINE FEED (LF)
|
|
|
+ U+000B LINE TABULATION
|
|
|
+ U+000C FORM FEED (FF)
|
|
|
+ U+0020 SPACE
|
|
|
+ Stay in the before attribute value state. */
|
|
|
+ $this->state = 'beforeAttributeValue';
|
|
|
+
|
|
|
+ } elseif($char === '"') {
|
|
|
+ /* U+0022 QUOTATION MARK (")
|
|
|
+ Switch to the attribute value (double-quoted) state. */
|
|
|
+ $this->state = 'attributeValueDoubleQuoted';
|
|
|
+
|
|
|
+ } elseif($char === '&') {
|
|
|
+ /* U+0026 AMPERSAND (&)
|
|
|
+ Switch to the attribute value (unquoted) state and reconsume
|
|
|
+ this input character. */
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'attributeValueUnquoted';
|
|
|
+
|
|
|
+ } elseif($char === '\'') {
|
|
|
+ /* U+0027 APOSTROPHE (')
|
|
|
+ Switch to the attribute value (single-quoted) state. */
|
|
|
+ $this->state = 'attributeValueSingleQuoted';
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ /* U+003E GREATER-THAN SIGN (>)
|
|
|
+ Emit the current tag token. Switch to the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ Append the current input character to the current attribute's value.
|
|
|
+ Switch to the attribute value (unquoted) state. */
|
|
|
+ $last = count($this->token['attr']) - 1;
|
|
|
+ $this->token['attr'][$last]['value'] .= $char;
|
|
|
+
|
|
|
+ $this->state = 'attributeValueUnquoted';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function attributeValueDoubleQuotedState() {
|
|
|
+ // Consume the next input character:
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->character($this->char);
|
|
|
+
|
|
|
+ if($char === '"') {
|
|
|
+ /* U+0022 QUOTATION MARK (")
|
|
|
+ Switch to the before attribute name state. */
|
|
|
+ $this->state = 'beforeAttributeName';
|
|
|
+
|
|
|
+ } elseif($char === '&') {
|
|
|
+ /* U+0026 AMPERSAND (&)
|
|
|
+ Switch to the entity in attribute value state. */
|
|
|
+ $this->entityInAttributeValueState('double');
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* EOF
|
|
|
+ Parse error. Emit the current tag token. Reconsume the character
|
|
|
+ in the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ Append the current input character to the current attribute's value.
|
|
|
+ Stay in the attribute value (double-quoted) state. */
|
|
|
+ $last = count($this->token['attr']) - 1;
|
|
|
+ $this->token['attr'][$last]['value'] .= $char;
|
|
|
+
|
|
|
+ $this->state = 'attributeValueDoubleQuoted';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function attributeValueSingleQuotedState() {
|
|
|
+ // Consume the next input character:
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->character($this->char);
|
|
|
+
|
|
|
+ if($char === '\'') {
|
|
|
+ /* U+0022 QUOTATION MARK (')
|
|
|
+ Switch to the before attribute name state. */
|
|
|
+ $this->state = 'beforeAttributeName';
|
|
|
+
|
|
|
+ } elseif($char === '&') {
|
|
|
+ /* U+0026 AMPERSAND (&)
|
|
|
+ Switch to the entity in attribute value state. */
|
|
|
+ $this->entityInAttributeValueState('single');
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* EOF
|
|
|
+ Parse error. Emit the current tag token. Reconsume the character
|
|
|
+ in the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ Append the current input character to the current attribute's value.
|
|
|
+ Stay in the attribute value (single-quoted) state. */
|
|
|
+ $last = count($this->token['attr']) - 1;
|
|
|
+ $this->token['attr'][$last]['value'] .= $char;
|
|
|
+
|
|
|
+ $this->state = 'attributeValueSingleQuoted';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function attributeValueUnquotedState() {
|
|
|
+ // Consume the next input character:
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->character($this->char);
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ /* U+0009 CHARACTER TABULATION
|
|
|
+ U+000A LINE FEED (LF)
|
|
|
+ U+000B LINE TABULATION
|
|
|
+ U+000C FORM FEED (FF)
|
|
|
+ U+0020 SPACE
|
|
|
+ Switch to the before attribute name state. */
|
|
|
+ $this->state = 'beforeAttributeName';
|
|
|
+
|
|
|
+ } elseif($char === '&') {
|
|
|
+ /* U+0026 AMPERSAND (&)
|
|
|
+ Switch to the entity in attribute value state. */
|
|
|
+ $this->entityInAttributeValueState();
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ /* U+003E GREATER-THAN SIGN (>)
|
|
|
+ Emit the current tag token. Switch to the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Anything else
|
|
|
+ Append the current input character to the current attribute's value.
|
|
|
+ Stay in the attribute value (unquoted) state. */
|
|
|
+ $last = count($this->token['attr']) - 1;
|
|
|
+ $this->token['attr'][$last]['value'] .= $char;
|
|
|
+
|
|
|
+ $this->state = 'attributeValueUnquoted';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function entityInAttributeValueState() {
|
|
|
+ // Attempt to consume an entity.
|
|
|
+ $entity = $this->entity();
|
|
|
+
|
|
|
+ // If nothing is returned, append a U+0026 AMPERSAND character to the
|
|
|
+ // current attribute's value. Otherwise, emit the character token that
|
|
|
+ // was returned.
|
|
|
+ $char = (!$entity)
|
|
|
+ ? '&'
|
|
|
+ : $entity;
|
|
|
+
|
|
|
+ $last = count($this->token['attr']) - 1;
|
|
|
+ $this->token['attr'][$last]['value'] .= $char;
|
|
|
+ }
|
|
|
+
|
|
|
+ private function bogusCommentState() {
|
|
|
+ /* Consume every character up to the first U+003E GREATER-THAN SIGN
|
|
|
+ character (>) or the end of the file (EOF), whichever comes first. Emit
|
|
|
+ a comment token whose data is the concatenation of all the characters
|
|
|
+ starting from and including the character that caused the state machine
|
|
|
+ to switch into the bogus comment state, up to and including the last
|
|
|
+ consumed character before the U+003E character, if any, or up to the
|
|
|
+ end of the file otherwise. (If the comment was started by the end of
|
|
|
+ the file (EOF), the token is empty.) */
|
|
|
+ $data = $this->characters('^>', $this->char);
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'data' => $data,
|
|
|
+ 'type' => self::COMMENT
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->char += strlen($data);
|
|
|
+
|
|
|
+ /* Switch to the data state. */
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ /* If the end of the file was reached, reconsume the EOF character. */
|
|
|
+ if($this->char === $this->EOF) {
|
|
|
+ $this->char = $this->EOF - 1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function markupDeclarationOpenState() {
|
|
|
+ /* If the next two characters are both U+002D HYPHEN-MINUS (-)
|
|
|
+ characters, consume those two characters, create a comment token whose
|
|
|
+ data is the empty string, and switch to the comment state. */
|
|
|
+ if($this->character($this->char + 1, 2) === '--') {
|
|
|
+ $this->char += 2;
|
|
|
+ $this->state = 'comment';
|
|
|
+ $this->token = array(
|
|
|
+ 'data' => null,
|
|
|
+ 'type' => self::COMMENT
|
|
|
+ );
|
|
|
+
|
|
|
+ /* Otherwise if the next seven chacacters are a case-insensitive match
|
|
|
+ for the word "DOCTYPE", then consume those characters and switch to the
|
|
|
+ DOCTYPE state. */
|
|
|
+ } elseif(strtolower($this->character($this->char + 1, 7)) === 'doctype') {
|
|
|
+ $this->char += 7;
|
|
|
+ $this->state = 'doctype';
|
|
|
+
|
|
|
+ /* Otherwise, is is a parse error. Switch to the bogus comment state.
|
|
|
+ The next character that is consumed, if any, is the first character
|
|
|
+ that will be in the comment. */
|
|
|
+ } else {
|
|
|
+ $this->char++;
|
|
|
+ $this->state = 'bogusComment';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function commentState() {
|
|
|
+ /* Consume the next input character: */
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ /* U+002D HYPHEN-MINUS (-) */
|
|
|
+ if($char === '-') {
|
|
|
+ /* Switch to the comment dash state */
|
|
|
+ $this->state = 'commentDash';
|
|
|
+
|
|
|
+ /* EOF */
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* Parse error. Emit the comment token. Reconsume the EOF character
|
|
|
+ in the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Append the input character to the comment token's data. Stay in
|
|
|
+ the comment state. */
|
|
|
+ $this->token['data'] .= $char;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function commentDashState() {
|
|
|
+ /* Consume the next input character: */
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ /* U+002D HYPHEN-MINUS (-) */
|
|
|
+ if($char === '-') {
|
|
|
+ /* Switch to the comment end state */
|
|
|
+ $this->state = 'commentEnd';
|
|
|
+
|
|
|
+ /* EOF */
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ /* Parse error. Emit the comment token. Reconsume the EOF character
|
|
|
+ in the data state. */
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Append a U+002D HYPHEN-MINUS (-) character and the input
|
|
|
+ character to the comment token's data. Switch to the comment state. */
|
|
|
+ $this->token['data'] .= '-'.$char;
|
|
|
+ $this->state = 'comment';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function commentEndState() {
|
|
|
+ /* Consume the next input character: */
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ if($char === '>') {
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($char === '-') {
|
|
|
+ $this->token['data'] .= '-';
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $this->token['data'] .= '--'.$char;
|
|
|
+ $this->state = 'comment';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function doctypeState() {
|
|
|
+ /* Consume the next input character: */
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ $this->state = 'beforeDoctypeName';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'beforeDoctypeName';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function beforeDoctypeNameState() {
|
|
|
+ /* Consume the next input character: */
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ // Stay in the before DOCTYPE name state.
|
|
|
+
|
|
|
+ } elseif(preg_match('/^[a-z]$/', $char)) {
|
|
|
+ $this->token = array(
|
|
|
+ 'name' => strtoupper($char),
|
|
|
+ 'type' => self::DOCTYPE,
|
|
|
+ 'error' => true
|
|
|
+ );
|
|
|
+
|
|
|
+ $this->state = 'doctypeName';
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => null,
|
|
|
+ 'type' => self::DOCTYPE,
|
|
|
+ 'error' => true
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => null,
|
|
|
+ 'type' => self::DOCTYPE,
|
|
|
+ 'error' => true
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $this->token = array(
|
|
|
+ 'name' => $char,
|
|
|
+ 'type' => self::DOCTYPE,
|
|
|
+ 'error' => true
|
|
|
+ );
|
|
|
+
|
|
|
+ $this->state = 'doctypeName';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function doctypeNameState() {
|
|
|
+ /* Consume the next input character: */
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ $this->state = 'AfterDoctypeName';
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif(preg_match('/^[a-z]$/', $char)) {
|
|
|
+ $this->token['name'] .= strtoupper($char);
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $this->token['name'] .= $char;
|
|
|
+ }
|
|
|
+
|
|
|
+ $this->token['error'] = ($this->token['name'] === 'HTML')
|
|
|
+ ? false
|
|
|
+ : true;
|
|
|
+ }
|
|
|
+
|
|
|
+ private function afterDoctypeNameState() {
|
|
|
+ /* Consume the next input character: */
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) {
|
|
|
+ // Stay in the DOCTYPE name state.
|
|
|
+
|
|
|
+ } elseif($char === '>') {
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $this->token['error'] = true;
|
|
|
+ $this->state = 'bogusDoctype';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function bogusDoctypeState() {
|
|
|
+ /* Consume the next input character: */
|
|
|
+ $this->char++;
|
|
|
+ $char = $this->char();
|
|
|
+
|
|
|
+ if($char === '>') {
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } elseif($this->char === $this->EOF) {
|
|
|
+ $this->emitToken($this->token);
|
|
|
+ $this->char--;
|
|
|
+ $this->state = 'data';
|
|
|
+
|
|
|
+ } else {
|
|
|
+ // Stay in the bogus DOCTYPE state.
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function entity() {
|
|
|
+ $start = $this->char;
|
|
|
+
|
|
|
+ // This section defines how to consume an entity. This definition is
|
|
|
+ // used when parsing entities in text and in attributes.
|
|
|
+
|
|
|
+ // The behaviour depends on the identity of the next character (the
|
|
|
+ // one immediately after the U+0026 AMPERSAND character):
|
|
|
+
|
|
|
+ switch($this->character($this->char + 1)) {
|
|
|
+ // U+0023 NUMBER SIGN (#)
|
|
|
+ case '#':
|
|
|
+
|
|
|
+ // The behaviour further depends on the character after the
|
|
|
+ // U+0023 NUMBER SIGN:
|
|
|
+ switch($this->character($this->char + 1)) {
|
|
|
+ // U+0078 LATIN SMALL LETTER X
|
|
|
+ // U+0058 LATIN CAPITAL LETTER X
|
|
|
+ case 'x':
|
|
|
+ case 'X':
|
|
|
+ // Follow the steps below, but using the range of
|
|
|
+ // characters U+0030 DIGIT ZERO through to U+0039 DIGIT
|
|
|
+ // NINE, U+0061 LATIN SMALL LETTER A through to U+0066
|
|
|
+ // LATIN SMALL LETTER F, and U+0041 LATIN CAPITAL LETTER
|
|
|
+ // A, through to U+0046 LATIN CAPITAL LETTER F (in other
|
|
|
+ // words, 0-9, A-F, a-f).
|
|
|
+ $char = 1;
|
|
|
+ $char_class = '0-9A-Fa-f';
|
|
|
+ break;
|
|
|
+
|
|
|
+ // Anything else
|
|
|
+ default:
|
|
|
+ // Follow the steps below, but using the range of
|
|
|
+ // characters U+0030 DIGIT ZERO through to U+0039 DIGIT
|
|
|
+ // NINE (i.e. just 0-9).
|
|
|
+ $char = 0;
|
|
|
+ $char_class = '0-9';
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Consume as many characters as match the range of characters
|
|
|
+ // given above.
|
|
|
+ $this->char++;
|
|
|
+ $e_name = $this->characters($char_class, $this->char + $char + 1);
|
|
|
+ $entity = $this->character($start, $this->char);
|
|
|
+ $cond = strlen($e_name) > 0;
|
|
|
+
|
|
|
+ // The rest of the parsing happens bellow.
|
|
|
+ break;
|
|
|
+
|
|
|
+ // Anything else
|
|
|
+ default:
|
|
|
+ // Consume the maximum number of characters possible, with the
|
|
|
+ // consumed characters case-sensitively matching one of the
|
|
|
+ // identifiers in the first column of the entities table.
|
|
|
+ $e_name = $this->characters('0-9A-Za-z;', $this->char + 1);
|
|
|
+ $len = strlen($e_name);
|
|
|
+
|
|
|
+ for($c = 1; $c <= $len; $c++) {
|
|
|
+ $id = substr($e_name, 0, $c);
|
|
|
+ $this->char++;
|
|
|
+
|
|
|
+ if(in_array($id, $this->entities)) {
|
|
|
+ if ($e_name[$c-1] !== ';') {
|
|
|
+ if ($c < $len && $e_name[$c] == ';') {
|
|
|
+ $this->char++; // consume extra semicolon
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $entity = $id;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ $cond = isset($entity);
|
|
|
+ // The rest of the parsing happens bellow.
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(!$cond) {
|
|
|
+ // If no match can be made, then this is a parse error. No
|
|
|
+ // characters are consumed, and nothing is returned.
|
|
|
+ $this->char = $start;
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Return a character token for the character corresponding to the
|
|
|
+ // entity name (as given by the second column of the entities table).
|
|
|
+ return html_entity_decode('&'.$entity.';', ENT_QUOTES, 'UTF-8');
|
|
|
+ }
|
|
|
+
|
|
|
+ private function emitToken($token) {
|
|
|
+ $emit = $this->tree->emitToken($token);
|
|
|
+
|
|
|
+ if(is_int($emit)) {
|
|
|
+ $this->content_model = $emit;
|
|
|
+
|
|
|
+ } elseif($token['type'] === self::ENDTAG) {
|
|
|
+ $this->content_model = self::PCDATA;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function EOF() {
|
|
|
+ $this->state = null;
|
|
|
+ $this->tree->emitToken(array(
|
|
|
+ 'type' => self::EOF
|
|
|
+ ));
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+class HTML5TreeConstructer {
|
|
|
+ public $stack = array();
|
|
|
+
|
|
|
+ private $phase;
|
|
|
+ private $mode;
|
|
|
+ private $dom;
|
|
|
+ private $foster_parent = null;
|
|
|
+ private $a_formatting = array();
|
|
|
+
|
|
|
+ private $head_pointer = null;
|
|
|
+ private $form_pointer = null;
|
|
|
+
|
|
|
+ private $scoping = array('button','caption','html','marquee','object','table','td','th');
|
|
|
+ private $formatting = array('a','b','big','em','font','i','nobr','s','small','strike','strong','tt','u');
|
|
|
+ private $special = array('address','area','base','basefont','bgsound',
|
|
|
+ 'blockquote','body','br','center','col','colgroup','dd','dir','div','dl',
|
|
|
+ 'dt','embed','fieldset','form','frame','frameset','h1','h2','h3','h4','h5',
|
|
|
+ 'h6','head','hr','iframe','image','img','input','isindex','li','link',
|
|
|
+ 'listing','menu','meta','noembed','noframes','noscript','ol','optgroup',
|
|
|
+ 'option','p','param','plaintext','pre','script','select','spacer','style',
|
|
|
+ 'tbody','textarea','tfoot','thead','title','tr','ul','wbr');
|
|
|
+
|
|
|
+ // The different phases.
|
|
|
+ const INIT_PHASE = 0;
|
|
|
+ const ROOT_PHASE = 1;
|
|
|
+ const MAIN_PHASE = 2;
|
|
|
+ const END_PHASE = 3;
|
|
|
+
|
|
|
+ // The different insertion modes for the main phase.
|
|
|
+ const BEFOR_HEAD = 0;
|
|
|
+ const IN_HEAD = 1;
|
|
|
+ const AFTER_HEAD = 2;
|
|
|
+ const IN_BODY = 3;
|
|
|
+ const IN_TABLE = 4;
|
|
|
+ const IN_CAPTION = 5;
|
|
|
+ const IN_CGROUP = 6;
|
|
|
+ const IN_TBODY = 7;
|
|
|
+ const IN_ROW = 8;
|
|
|
+ const IN_CELL = 9;
|
|
|
+ const IN_SELECT = 10;
|
|
|
+ const AFTER_BODY = 11;
|
|
|
+ const IN_FRAME = 12;
|
|
|
+ const AFTR_FRAME = 13;
|
|
|
+
|
|
|
+ // The different types of elements.
|
|
|
+ const SPECIAL = 0;
|
|
|
+ const SCOPING = 1;
|
|
|
+ const FORMATTING = 2;
|
|
|
+ const PHRASING = 3;
|
|
|
+
|
|
|
+ const MARKER = 0;
|
|
|
+
|
|
|
+ public function __construct() {
|
|
|
+ $this->phase = self::INIT_PHASE;
|
|
|
+ $this->mode = self::BEFOR_HEAD;
|
|
|
+ $this->dom = new DOMDocument;
|
|
|
+
|
|
|
+ $this->dom->encoding = 'UTF-8';
|
|
|
+ $this->dom->preserveWhiteSpace = true;
|
|
|
+ $this->dom->substituteEntities = true;
|
|
|
+ $this->dom->strictErrorChecking = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Process tag tokens
|
|
|
+ public function emitToken($token) {
|
|
|
+ switch($this->phase) {
|
|
|
+ case self::INIT_PHASE: return $this->initPhase($token); break;
|
|
|
+ case self::ROOT_PHASE: return $this->rootElementPhase($token); break;
|
|
|
+ case self::MAIN_PHASE: return $this->mainPhase($token); break;
|
|
|
+ case self::END_PHASE : return $this->trailingEndPhase($token); break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function initPhase($token) {
|
|
|
+ /* Initially, the tree construction stage must handle each token
|
|
|
+ emitted from the tokenisation stage as follows: */
|
|
|
+
|
|
|
+ /* A DOCTYPE token that is marked as being in error
|
|
|
+ A comment token
|
|
|
+ A start tag token
|
|
|
+ An end tag token
|
|
|
+ A character token that is not one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE
|
|
|
+ An end-of-file token */
|
|
|
+ if((isset($token['error']) && $token['error']) ||
|
|
|
+ $token['type'] === HTML5::COMMENT ||
|
|
|
+ $token['type'] === HTML5::STARTTAG ||
|
|
|
+ $token['type'] === HTML5::ENDTAG ||
|
|
|
+ $token['type'] === HTML5::EOF ||
|
|
|
+ ($token['type'] === HTML5::CHARACTR && isset($token['data']) &&
|
|
|
+ !preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data']))) {
|
|
|
+ /* This specification does not define how to handle this case. In
|
|
|
+ particular, user agents may ignore the entirety of this specification
|
|
|
+ altogether for such documents, and instead invoke special parse modes
|
|
|
+ with a greater emphasis on backwards compatibility. */
|
|
|
+
|
|
|
+ $this->phase = self::ROOT_PHASE;
|
|
|
+ return $this->rootElementPhase($token);
|
|
|
+
|
|
|
+ /* A DOCTYPE token marked as being correct */
|
|
|
+ } elseif(isset($token['error']) && !$token['error']) {
|
|
|
+ /* Append a DocumentType node to the Document node, with the name
|
|
|
+ attribute set to the name given in the DOCTYPE token (which will be
|
|
|
+ "HTML"), and the other attributes specific to DocumentType objects
|
|
|
+ set to null, empty lists, or the empty string as appropriate. */
|
|
|
+ $doctype = new DOMDocumentType(null, null, 'HTML');
|
|
|
+
|
|
|
+ /* Then, switch to the root element phase of the tree construction
|
|
|
+ stage. */
|
|
|
+ $this->phase = self::ROOT_PHASE;
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE */
|
|
|
+ } elseif(isset($token['data']) && preg_match('/^[\t\n\x0b\x0c ]+$/',
|
|
|
+ $token['data'])) {
|
|
|
+ /* Append that character to the Document node. */
|
|
|
+ $text = $this->dom->createTextNode($token['data']);
|
|
|
+ $this->dom->appendChild($text);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function rootElementPhase($token) {
|
|
|
+ /* After the initial phase, as each token is emitted from the tokenisation
|
|
|
+ stage, it must be processed as described in this section. */
|
|
|
+
|
|
|
+ /* A DOCTYPE token */
|
|
|
+ if($token['type'] === HTML5::DOCTYPE) {
|
|
|
+ // Parse error. Ignore the token.
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the Document object with the data
|
|
|
+ attribute set to the data given in the comment token. */
|
|
|
+ $comment = $this->dom->createComment($token['data']);
|
|
|
+ $this->dom->appendChild($comment);
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE */
|
|
|
+ } elseif($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
+ /* Append that character to the Document node. */
|
|
|
+ $text = $this->dom->createTextNode($token['data']);
|
|
|
+ $this->dom->appendChild($text);
|
|
|
+
|
|
|
+ /* A character token that is not one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED
|
|
|
+ (FF), or U+0020 SPACE
|
|
|
+ A start tag token
|
|
|
+ An end tag token
|
|
|
+ An end-of-file token */
|
|
|
+ } elseif(($token['type'] === HTML5::CHARACTR &&
|
|
|
+ !preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) ||
|
|
|
+ $token['type'] === HTML5::STARTTAG ||
|
|
|
+ $token['type'] === HTML5::ENDTAG ||
|
|
|
+ $token['type'] === HTML5::EOF) {
|
|
|
+ /* Create an HTMLElement node with the tag name html, in the HTML
|
|
|
+ namespace. Append it to the Document object. Switch to the main
|
|
|
+ phase and reprocess the current token. */
|
|
|
+ $html = $this->dom->createElement('html');
|
|
|
+ $this->dom->appendChild($html);
|
|
|
+ $this->stack[] = $html;
|
|
|
+
|
|
|
+ $this->phase = self::MAIN_PHASE;
|
|
|
+ return $this->mainPhase($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function mainPhase($token) {
|
|
|
+ /* Tokens in the main phase must be handled as follows: */
|
|
|
+
|
|
|
+ /* A DOCTYPE token */
|
|
|
+ if($token['type'] === HTML5::DOCTYPE) {
|
|
|
+ // Parse error. Ignore the token.
|
|
|
+
|
|
|
+ /* A start tag token with the tag name "html" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'html') {
|
|
|
+ /* If this start tag token was not the first start tag token, then
|
|
|
+ it is a parse error. */
|
|
|
+
|
|
|
+ /* For each attribute on the token, check to see if the attribute
|
|
|
+ is already present on the top element of the stack of open elements.
|
|
|
+ If it is not, add the attribute and its corresponding value to that
|
|
|
+ element. */
|
|
|
+ foreach($token['attr'] as $attr) {
|
|
|
+ if(!$this->stack[0]->hasAttribute($attr['name'])) {
|
|
|
+ $this->stack[0]->setAttribute($attr['name'], $attr['value']);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* An end-of-file token */
|
|
|
+ } elseif($token['type'] === HTML5::EOF) {
|
|
|
+ /* Generate implied end tags. */
|
|
|
+ $this->generateImpliedEndTags();
|
|
|
+
|
|
|
+ /* Anything else. */
|
|
|
+ } else {
|
|
|
+ /* Depends on the insertion mode: */
|
|
|
+ switch($this->mode) {
|
|
|
+ case self::BEFOR_HEAD: return $this->beforeHead($token); break;
|
|
|
+ case self::IN_HEAD: return $this->inHead($token); break;
|
|
|
+ case self::AFTER_HEAD: return $this->afterHead($token); break;
|
|
|
+ case self::IN_BODY: return $this->inBody($token); break;
|
|
|
+ case self::IN_TABLE: return $this->inTable($token); break;
|
|
|
+ case self::IN_CAPTION: return $this->inCaption($token); break;
|
|
|
+ case self::IN_CGROUP: return $this->inColumnGroup($token); break;
|
|
|
+ case self::IN_TBODY: return $this->inTableBody($token); break;
|
|
|
+ case self::IN_ROW: return $this->inRow($token); break;
|
|
|
+ case self::IN_CELL: return $this->inCell($token); break;
|
|
|
+ case self::IN_SELECT: return $this->inSelect($token); break;
|
|
|
+ case self::AFTER_BODY: return $this->afterBody($token); break;
|
|
|
+ case self::IN_FRAME: return $this->inFrameset($token); break;
|
|
|
+ case self::AFTR_FRAME: return $this->afterFrameset($token); break;
|
|
|
+ case self::END_PHASE: return $this->trailingEndPhase($token); break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function beforeHead($token) {
|
|
|
+ /* Handle the token as follows: */
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE */
|
|
|
+ if($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
+ /* Append the character to the current node. */
|
|
|
+ $this->insertText($token['data']);
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the current node with the data attribute
|
|
|
+ set to the data given in the comment token. */
|
|
|
+ $this->insertComment($token['data']);
|
|
|
+
|
|
|
+ /* A start tag token with the tag name "head" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'head') {
|
|
|
+ /* Create an element for the token, append the new element to the
|
|
|
+ current node and push it onto the stack of open elements. */
|
|
|
+ $element = $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Set the head element pointer to this new element node. */
|
|
|
+ $this->head_pointer = $element;
|
|
|
+
|
|
|
+ /* Change the insertion mode to "in head". */
|
|
|
+ $this->mode = self::IN_HEAD;
|
|
|
+
|
|
|
+ /* A start tag token whose tag name is one of: "base", "link", "meta",
|
|
|
+ "script", "style", "title". Or an end tag with the tag name "html".
|
|
|
+ Or a character token that is not one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE. Or any other start tag token */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG ||
|
|
|
+ ($token['type'] === HTML5::ENDTAG && $token['name'] === 'html') ||
|
|
|
+ ($token['type'] === HTML5::CHARACTR && !preg_match('/^[\t\n\x0b\x0c ]$/',
|
|
|
+ $token['data']))) {
|
|
|
+ /* Act as if a start tag token with the tag name "head" and no
|
|
|
+ attributes had been seen, then reprocess the current token. */
|
|
|
+ $this->beforeHead(array(
|
|
|
+ 'name' => 'head',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->inHead($token);
|
|
|
+
|
|
|
+ /* Any other end tag */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG) {
|
|
|
+ /* Parse error. Ignore the token. */
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inHead($token) {
|
|
|
+ /* Handle the token as follows: */
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE.
|
|
|
+
|
|
|
+ THIS DIFFERS FROM THE SPEC: If the current node is either a title, style
|
|
|
+ or script element, append the character to the current node regardless
|
|
|
+ of its content. */
|
|
|
+ if(($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) || (
|
|
|
+ $token['type'] === HTML5::CHARACTR && in_array(end($this->stack)->nodeName,
|
|
|
+ array('title', 'style', 'script')))) {
|
|
|
+ /* Append the character to the current node. */
|
|
|
+ $this->insertText($token['data']);
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the current node with the data attribute
|
|
|
+ set to the data given in the comment token. */
|
|
|
+ $this->insertComment($token['data']);
|
|
|
+
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
+ in_array($token['name'], array('title', 'style', 'script'))) {
|
|
|
+ array_pop($this->stack);
|
|
|
+ return HTML5::PCDATA;
|
|
|
+
|
|
|
+ /* A start tag with the tag name "title" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'title') {
|
|
|
+ /* Create an element for the token and append the new element to the
|
|
|
+ node pointed to by the head element pointer, or, if that is null
|
|
|
+ (innerHTML case), to the current node. */
|
|
|
+ if($this->head_pointer !== null) {
|
|
|
+ $element = $this->insertElement($token, false);
|
|
|
+ $this->head_pointer->appendChild($element);
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $element = $this->insertElement($token);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Switch the tokeniser's content model flag to the RCDATA state. */
|
|
|
+ return HTML5::RCDATA;
|
|
|
+
|
|
|
+ /* A start tag with the tag name "style" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'style') {
|
|
|
+ /* Create an element for the token and append the new element to the
|
|
|
+ node pointed to by the head element pointer, or, if that is null
|
|
|
+ (innerHTML case), to the current node. */
|
|
|
+ if($this->head_pointer !== null) {
|
|
|
+ $element = $this->insertElement($token, false);
|
|
|
+ $this->head_pointer->appendChild($element);
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $this->insertElement($token);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Switch the tokeniser's content model flag to the CDATA state. */
|
|
|
+ return HTML5::CDATA;
|
|
|
+
|
|
|
+ /* A start tag with the tag name "script" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'script') {
|
|
|
+ /* Create an element for the token. */
|
|
|
+ $element = $this->insertElement($token, false);
|
|
|
+ $this->head_pointer->appendChild($element);
|
|
|
+
|
|
|
+ /* Switch the tokeniser's content model flag to the CDATA state. */
|
|
|
+ return HTML5::CDATA;
|
|
|
+
|
|
|
+ /* A start tag with the tag name "base", "link", or "meta" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
+ array('base', 'link', 'meta'))) {
|
|
|
+ /* Create an element for the token and append the new element to the
|
|
|
+ node pointed to by the head element pointer, or, if that is null
|
|
|
+ (innerHTML case), to the current node. */
|
|
|
+ if($this->head_pointer !== null) {
|
|
|
+ $element = $this->insertElement($token, false);
|
|
|
+ $this->head_pointer->appendChild($element);
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $this->insertElement($token);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* An end tag with the tag name "head" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'head') {
|
|
|
+ /* If the current node is a head element, pop the current node off
|
|
|
+ the stack of open elements. */
|
|
|
+ if($this->head_pointer->isSameNode(end($this->stack))) {
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ /* Otherwise, this is a parse error. */
|
|
|
+ } else {
|
|
|
+ // k
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Change the insertion mode to "after head". */
|
|
|
+ $this->mode = self::AFTER_HEAD;
|
|
|
+
|
|
|
+ /* A start tag with the tag name "head" or an end tag except "html". */
|
|
|
+ } elseif(($token['type'] === HTML5::STARTTAG && $token['name'] === 'head') ||
|
|
|
+ ($token['type'] === HTML5::ENDTAG && $token['name'] !== 'html')) {
|
|
|
+ // Parse error. Ignore the token.
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* If the current node is a head element, act as if an end tag
|
|
|
+ token with the tag name "head" had been seen. */
|
|
|
+ if($this->head_pointer->isSameNode(end($this->stack))) {
|
|
|
+ $this->inHead(array(
|
|
|
+ 'name' => 'head',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* Otherwise, change the insertion mode to "after head". */
|
|
|
+ } else {
|
|
|
+ $this->mode = self::AFTER_HEAD;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Then, reprocess the current token. */
|
|
|
+ return $this->afterHead($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function afterHead($token) {
|
|
|
+ /* Handle the token as follows: */
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE */
|
|
|
+ if($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
+ /* Append the character to the current node. */
|
|
|
+ $this->insertText($token['data']);
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the current node with the data attribute
|
|
|
+ set to the data given in the comment token. */
|
|
|
+ $this->insertComment($token['data']);
|
|
|
+
|
|
|
+ /* A start tag token with the tag name "body" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'body') {
|
|
|
+ /* Insert a body element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Change the insertion mode to "in body". */
|
|
|
+ $this->mode = self::IN_BODY;
|
|
|
+
|
|
|
+ /* A start tag token with the tag name "frameset" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'frameset') {
|
|
|
+ /* Insert a frameset element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Change the insertion mode to "in frameset". */
|
|
|
+ $this->mode = self::IN_FRAME;
|
|
|
+
|
|
|
+ /* A start tag token whose tag name is one of: "base", "link", "meta",
|
|
|
+ "script", "style", "title" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
+ array('base', 'link', 'meta', 'script', 'style', 'title'))) {
|
|
|
+ /* Parse error. Switch the insertion mode back to "in head" and
|
|
|
+ reprocess the token. */
|
|
|
+ $this->mode = self::IN_HEAD;
|
|
|
+ return $this->inHead($token);
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Act as if a start tag token with the tag name "body" and no
|
|
|
+ attributes had been seen, and then reprocess the current token. */
|
|
|
+ $this->afterHead(array(
|
|
|
+ 'name' => 'body',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->inBody($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inBody($token) {
|
|
|
+ /* Handle the token as follows: */
|
|
|
+
|
|
|
+ switch($token['type']) {
|
|
|
+ /* A character token */
|
|
|
+ case HTML5::CHARACTR:
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ /* Append the token's character to the current node. */
|
|
|
+ $this->insertText($token['data']);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ case HTML5::COMMENT:
|
|
|
+ /* Append a Comment node to the current node with the data
|
|
|
+ attribute set to the data given in the comment token. */
|
|
|
+ $this->insertComment($token['data']);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case HTML5::STARTTAG:
|
|
|
+ switch($token['name']) {
|
|
|
+ /* A start tag token whose tag name is one of: "script",
|
|
|
+ "style" */
|
|
|
+ case 'script': case 'style':
|
|
|
+ /* Process the token as if the insertion mode had been "in
|
|
|
+ head". */
|
|
|
+ return $this->inHead($token);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag token whose tag name is one of: "base", "link",
|
|
|
+ "meta", "title" */
|
|
|
+ case 'base': case 'link': case 'meta': case 'title':
|
|
|
+ /* Parse error. Process the token as if the insertion mode
|
|
|
+ had been "in head". */
|
|
|
+ return $this->inHead($token);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag token with the tag name "body" */
|
|
|
+ case 'body':
|
|
|
+ /* Parse error. If the second element on the stack of open
|
|
|
+ elements is not a body element, or, if the stack of open
|
|
|
+ elements has only one node on it, then ignore the token.
|
|
|
+ (innerHTML case) */
|
|
|
+ if(count($this->stack) === 1 || $this->stack[1]->nodeName !== 'body') {
|
|
|
+ // Ignore
|
|
|
+
|
|
|
+ /* Otherwise, for each attribute on the token, check to see
|
|
|
+ if the attribute is already present on the body element (the
|
|
|
+ second element) on the stack of open elements. If it is not,
|
|
|
+ add the attribute and its corresponding value to that
|
|
|
+ element. */
|
|
|
+ } else {
|
|
|
+ foreach($token['attr'] as $attr) {
|
|
|
+ if(!$this->stack[1]->hasAttribute($attr['name'])) {
|
|
|
+ $this->stack[1]->setAttribute($attr['name'], $attr['value']);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "address",
|
|
|
+ "blockquote", "center", "dir", "div", "dl", "fieldset",
|
|
|
+ "listing", "menu", "ol", "p", "ul" */
|
|
|
+ case 'address': case 'blockquote': case 'center': case 'dir':
|
|
|
+ case 'div': case 'dl': case 'fieldset': case 'listing':
|
|
|
+ case 'menu': case 'ol': case 'p': case 'ul':
|
|
|
+ /* If the stack of open elements has a p element in scope,
|
|
|
+ then act as if an end tag with the tag name p had been
|
|
|
+ seen. */
|
|
|
+ if($this->elementInScope('p')) {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => 'p',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "form" */
|
|
|
+ case 'form':
|
|
|
+ /* If the form element pointer is not null, ignore the
|
|
|
+ token with a parse error. */
|
|
|
+ if($this->form_pointer !== null) {
|
|
|
+ // Ignore.
|
|
|
+
|
|
|
+ /* Otherwise: */
|
|
|
+ } else {
|
|
|
+ /* If the stack of open elements has a p element in
|
|
|
+ scope, then act as if an end tag with the tag name p
|
|
|
+ had been seen. */
|
|
|
+ if($this->elementInScope('p')) {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => 'p',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token, and set the
|
|
|
+ form element pointer to point to the element created. */
|
|
|
+ $element = $this->insertElement($token);
|
|
|
+ $this->form_pointer = $element;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "li", "dd" or "dt" */
|
|
|
+ case 'li': case 'dd': case 'dt':
|
|
|
+ /* If the stack of open elements has a p element in scope,
|
|
|
+ then act as if an end tag with the tag name p had been
|
|
|
+ seen. */
|
|
|
+ if($this->elementInScope('p')) {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => 'p',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ $stack_length = count($this->stack) - 1;
|
|
|
+
|
|
|
+ for($n = $stack_length; 0 <= $n; $n--) {
|
|
|
+ /* 1. Initialise node to be the current node (the
|
|
|
+ bottommost node of the stack). */
|
|
|
+ $stop = false;
|
|
|
+ $node = $this->stack[$n];
|
|
|
+ $cat = $this->getElementCategory($node->tagName);
|
|
|
+
|
|
|
+ /* 2. If node is an li, dd or dt element, then pop all
|
|
|
+ the nodes from the current node up to node, including
|
|
|
+ node, then stop this algorithm. */
|
|
|
+ if($token['name'] === $node->tagName || ($token['name'] !== 'li'
|
|
|
+ && ($node->tagName === 'dd' || $node->tagName === 'dt'))) {
|
|
|
+ for($x = $stack_length; $x >= $n ; $x--) {
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 3. If node is not in the formatting category, and is
|
|
|
+ not in the phrasing category, and is not an address or
|
|
|
+ div element, then stop this algorithm. */
|
|
|
+ if($cat !== self::FORMATTING && $cat !== self::PHRASING &&
|
|
|
+ $node->tagName !== 'address' && $node->tagName !== 'div') {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Finally, insert an HTML element with the same tag
|
|
|
+ name as the token's. */
|
|
|
+ $this->insertElement($token);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag token whose tag name is "plaintext" */
|
|
|
+ case 'plaintext':
|
|
|
+ /* If the stack of open elements has a p element in scope,
|
|
|
+ then act as if an end tag with the tag name p had been
|
|
|
+ seen. */
|
|
|
+ if($this->elementInScope('p')) {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => 'p',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ return HTML5::PLAINTEXT;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "h1", "h2", "h3", "h4",
|
|
|
+ "h5", "h6" */
|
|
|
+ case 'h1': case 'h2': case 'h3': case 'h4': case 'h5': case 'h6':
|
|
|
+ /* If the stack of open elements has a p element in scope,
|
|
|
+ then act as if an end tag with the tag name p had been seen. */
|
|
|
+ if($this->elementInScope('p')) {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => 'p',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* If the stack of open elements has in scope an element whose
|
|
|
+ tag name is one of "h1", "h2", "h3", "h4", "h5", or "h6", then
|
|
|
+ this is a parse error; pop elements from the stack until an
|
|
|
+ element with one of those tag names has been popped from the
|
|
|
+ stack. */
|
|
|
+ while($this->elementInScope(array('h1', 'h2', 'h3', 'h4', 'h5', 'h6'))) {
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "a" */
|
|
|
+ case 'a':
|
|
|
+ /* If the list of active formatting elements contains
|
|
|
+ an element whose tag name is "a" between the end of the
|
|
|
+ list and the last marker on the list (or the start of
|
|
|
+ the list if there is no marker on the list), then this
|
|
|
+ is a parse error; act as if an end tag with the tag name
|
|
|
+ "a" had been seen, then remove that element from the list
|
|
|
+ of active formatting elements and the stack of open
|
|
|
+ elements if the end tag didn't already remove it (it
|
|
|
+ might not have if the element is not in table scope). */
|
|
|
+ $leng = count($this->a_formatting);
|
|
|
+
|
|
|
+ for($n = $leng - 1; $n >= 0; $n--) {
|
|
|
+ if($this->a_formatting[$n] === self::MARKER) {
|
|
|
+ break;
|
|
|
+
|
|
|
+ } elseif($this->a_formatting[$n]->nodeName === 'a') {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => 'a',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $el = $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Add that element to the list of active formatting
|
|
|
+ elements. */
|
|
|
+ $this->a_formatting[] = $el;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "b", "big", "em", "font",
|
|
|
+ "i", "nobr", "s", "small", "strike", "strong", "tt", "u" */
|
|
|
+ case 'b': case 'big': case 'em': case 'font': case 'i':
|
|
|
+ case 'nobr': case 's': case 'small': case 'strike':
|
|
|
+ case 'strong': case 'tt': case 'u':
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $el = $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Add that element to the list of active formatting
|
|
|
+ elements. */
|
|
|
+ $this->a_formatting[] = $el;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag token whose tag name is "button" */
|
|
|
+ case 'button':
|
|
|
+ /* If the stack of open elements has a button element in scope,
|
|
|
+ then this is a parse error; act as if an end tag with the tag
|
|
|
+ name "button" had been seen, then reprocess the token. (We don't
|
|
|
+ do that. Unnecessary.) */
|
|
|
+ if($this->elementInScope('button')) {
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'button',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Insert a marker at the end of the list of active
|
|
|
+ formatting elements. */
|
|
|
+ $this->a_formatting[] = self::MARKER;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag token whose tag name is one of: "marquee", "object" */
|
|
|
+ case 'marquee': case 'object':
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Insert a marker at the end of the list of active
|
|
|
+ formatting elements. */
|
|
|
+ $this->a_formatting[] = self::MARKER;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag token whose tag name is "xmp" */
|
|
|
+ case 'xmp':
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Switch the content model flag to the CDATA state. */
|
|
|
+ return HTML5::CDATA;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "table" */
|
|
|
+ case 'table':
|
|
|
+ /* If the stack of open elements has a p element in scope,
|
|
|
+ then act as if an end tag with the tag name p had been seen. */
|
|
|
+ if($this->elementInScope('p')) {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => 'p',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Change the insertion mode to "in table". */
|
|
|
+ $this->mode = self::IN_TABLE;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "area", "basefont",
|
|
|
+ "bgsound", "br", "embed", "img", "param", "spacer", "wbr" */
|
|
|
+ case 'area': case 'basefont': case 'bgsound': case 'br':
|
|
|
+ case 'embed': case 'img': case 'param': case 'spacer':
|
|
|
+ case 'wbr':
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Immediately pop the current node off the stack of open elements. */
|
|
|
+ array_pop($this->stack);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "hr" */
|
|
|
+ case 'hr':
|
|
|
+ /* If the stack of open elements has a p element in scope,
|
|
|
+ then act as if an end tag with the tag name p had been seen. */
|
|
|
+ if($this->elementInScope('p')) {
|
|
|
+ $this->emitToken(array(
|
|
|
+ 'name' => 'p',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Immediately pop the current node off the stack of open elements. */
|
|
|
+ array_pop($this->stack);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "image" */
|
|
|
+ case 'image':
|
|
|
+ /* Parse error. Change the token's tag name to "img" and
|
|
|
+ reprocess it. (Don't ask.) */
|
|
|
+ $token['name'] = 'img';
|
|
|
+ return $this->inBody($token);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "input" */
|
|
|
+ case 'input':
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ /* Insert an input element for the token. */
|
|
|
+ $element = $this->insertElement($token, false);
|
|
|
+
|
|
|
+ /* If the form element pointer is not null, then associate the
|
|
|
+ input element with the form element pointed to by the form
|
|
|
+ element pointer. */
|
|
|
+ $this->form_pointer !== null
|
|
|
+ ? $this->form_pointer->appendChild($element)
|
|
|
+ : end($this->stack)->appendChild($element);
|
|
|
+
|
|
|
+ /* Pop that input element off the stack of open elements. */
|
|
|
+ array_pop($this->stack);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "isindex" */
|
|
|
+ case 'isindex':
|
|
|
+ /* Parse error. */
|
|
|
+ // w/e
|
|
|
+
|
|
|
+ /* If the form element pointer is not null,
|
|
|
+ then ignore the token. */
|
|
|
+ if($this->form_pointer === null) {
|
|
|
+ /* Act as if a start tag token with the tag name "form" had
|
|
|
+ been seen. */
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'body',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* Act as if a start tag token with the tag name "hr" had
|
|
|
+ been seen. */
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'hr',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* Act as if a start tag token with the tag name "p" had
|
|
|
+ been seen. */
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'p',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* Act as if a start tag token with the tag name "label"
|
|
|
+ had been seen. */
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'label',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* Act as if a stream of character tokens had been seen. */
|
|
|
+ $this->insertText('This is a searchable index. '.
|
|
|
+ 'Insert your search keywords here: ');
|
|
|
+
|
|
|
+ /* Act as if a start tag token with the tag name "input"
|
|
|
+ had been seen, with all the attributes from the "isindex"
|
|
|
+ token, except with the "name" attribute set to the value
|
|
|
+ "isindex" (ignoring any explicit "name" attribute). */
|
|
|
+ $attr = $token['attr'];
|
|
|
+ $attr[] = array('name' => 'name', 'value' => 'isindex');
|
|
|
+
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'input',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => $attr
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* Act as if a stream of character tokens had been seen
|
|
|
+ (see below for what they should say). */
|
|
|
+ $this->insertText('This is a searchable index. '.
|
|
|
+ 'Insert your search keywords here: ');
|
|
|
+
|
|
|
+ /* Act as if an end tag token with the tag name "label"
|
|
|
+ had been seen. */
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'label',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* Act as if an end tag token with the tag name "p" had
|
|
|
+ been seen. */
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'p',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* Act as if a start tag token with the tag name "hr" had
|
|
|
+ been seen. */
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'hr',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* Act as if an end tag token with the tag name "form" had
|
|
|
+ been seen. */
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'form',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "textarea" */
|
|
|
+ case 'textarea':
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Switch the tokeniser's content model flag to the
|
|
|
+ RCDATA state. */
|
|
|
+ return HTML5::RCDATA;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "iframe", "noembed",
|
|
|
+ "noframes" */
|
|
|
+ case 'iframe': case 'noembed': case 'noframes':
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Switch the tokeniser's content model flag to the CDATA state. */
|
|
|
+ return HTML5::CDATA;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "select" */
|
|
|
+ case 'select':
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Change the insertion mode to "in select". */
|
|
|
+ $this->mode = self::IN_SELECT;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start or end tag whose tag name is one of: "caption", "col",
|
|
|
+ "colgroup", "frame", "frameset", "head", "option", "optgroup",
|
|
|
+ "tbody", "td", "tfoot", "th", "thead", "tr". */
|
|
|
+ case 'caption': case 'col': case 'colgroup': case 'frame':
|
|
|
+ case 'frameset': case 'head': case 'option': case 'optgroup':
|
|
|
+ case 'tbody': case 'td': case 'tfoot': case 'th': case 'thead':
|
|
|
+ case 'tr':
|
|
|
+ // Parse error. Ignore the token.
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start or end tag whose tag name is one of: "event-source",
|
|
|
+ "section", "nav", "article", "aside", "header", "footer",
|
|
|
+ "datagrid", "command" */
|
|
|
+ case 'event-source': case 'section': case 'nav': case 'article':
|
|
|
+ case 'aside': case 'header': case 'footer': case 'datagrid':
|
|
|
+ case 'command':
|
|
|
+ // Work in progress!
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* A start tag token not covered by the previous entries */
|
|
|
+ default:
|
|
|
+ /* Reconstruct the active formatting elements, if any. */
|
|
|
+ $this->reconstructActiveFormattingElements();
|
|
|
+
|
|
|
+ $this->insertElement($token, true, true);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ case HTML5::ENDTAG:
|
|
|
+ switch($token['name']) {
|
|
|
+ /* An end tag with the tag name "body" */
|
|
|
+ case 'body':
|
|
|
+ /* If the second element in the stack of open elements is
|
|
|
+ not a body element, this is a parse error. Ignore the token.
|
|
|
+ (innerHTML case) */
|
|
|
+ if(count($this->stack) < 2 || $this->stack[1]->nodeName !== 'body') {
|
|
|
+ // Ignore.
|
|
|
+
|
|
|
+ /* If the current node is not the body element, then this
|
|
|
+ is a parse error. */
|
|
|
+ } elseif(end($this->stack)->nodeName !== 'body') {
|
|
|
+ // Parse error.
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Change the insertion mode to "after body". */
|
|
|
+ $this->mode = self::AFTER_BODY;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* An end tag with the tag name "html" */
|
|
|
+ case 'html':
|
|
|
+ /* Act as if an end tag with tag name "body" had been seen,
|
|
|
+ then, if that token wasn't ignored, reprocess the current
|
|
|
+ token. */
|
|
|
+ $this->inBody(array(
|
|
|
+ 'name' => 'body',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->afterBody($token);
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "address", "blockquote",
|
|
|
+ "center", "dir", "div", "dl", "fieldset", "listing", "menu",
|
|
|
+ "ol", "pre", "ul" */
|
|
|
+ case 'address': case 'blockquote': case 'center': case 'dir':
|
|
|
+ case 'div': case 'dl': case 'fieldset': case 'listing':
|
|
|
+ case 'menu': case 'ol': case 'pre': case 'ul':
|
|
|
+ /* If the stack of open elements has an element in scope
|
|
|
+ with the same tag name as that of the token, then generate
|
|
|
+ implied end tags. */
|
|
|
+ if($this->elementInScope($token['name'])) {
|
|
|
+ $this->generateImpliedEndTags();
|
|
|
+
|
|
|
+ /* Now, if the current node is not an element with
|
|
|
+ the same tag name as that of the token, then this
|
|
|
+ is a parse error. */
|
|
|
+ // w/e
|
|
|
+
|
|
|
+ /* If the stack of open elements has an element in
|
|
|
+ scope with the same tag name as that of the token,
|
|
|
+ then pop elements from this stack until an element
|
|
|
+ with that tag name has been popped from the stack. */
|
|
|
+ for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
+ if($this->stack[$n]->nodeName === $token['name']) {
|
|
|
+ $n = -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* An end tag whose tag name is "form" */
|
|
|
+ case 'form':
|
|
|
+ /* If the stack of open elements has an element in scope
|
|
|
+ with the same tag name as that of the token, then generate
|
|
|
+ implied end tags. */
|
|
|
+ if($this->elementInScope($token['name'])) {
|
|
|
+ $this->generateImpliedEndTags();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if(end($this->stack)->nodeName !== $token['name']) {
|
|
|
+ /* Now, if the current node is not an element with the
|
|
|
+ same tag name as that of the token, then this is a parse
|
|
|
+ error. */
|
|
|
+ // w/e
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Otherwise, if the current node is an element with
|
|
|
+ the same tag name as that of the token pop that element
|
|
|
+ from the stack. */
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* In any case, set the form element pointer to null. */
|
|
|
+ $this->form_pointer = null;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* An end tag whose tag name is "p" */
|
|
|
+ case 'p':
|
|
|
+ /* If the stack of open elements has a p element in scope,
|
|
|
+ then generate implied end tags, except for p elements. */
|
|
|
+ if($this->elementInScope('p')) {
|
|
|
+ $this->generateImpliedEndTags(array('p'));
|
|
|
+
|
|
|
+ /* If the current node is not a p element, then this is
|
|
|
+ a parse error. */
|
|
|
+ // k
|
|
|
+
|
|
|
+ /* If the stack of open elements has a p element in
|
|
|
+ scope, then pop elements from this stack until the stack
|
|
|
+ no longer has a p element in scope. */
|
|
|
+ for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
+ if($this->elementInScope('p')) {
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ } else {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* An end tag whose tag name is "dd", "dt", or "li" */
|
|
|
+ case 'dd': case 'dt': case 'li':
|
|
|
+ /* If the stack of open elements has an element in scope
|
|
|
+ whose tag name matches the tag name of the token, then
|
|
|
+ generate implied end tags, except for elements with the
|
|
|
+ same tag name as the token. */
|
|
|
+ if($this->elementInScope($token['name'])) {
|
|
|
+ $this->generateImpliedEndTags(array($token['name']));
|
|
|
+
|
|
|
+ /* If the current node is not an element with the same
|
|
|
+ tag name as the token, then this is a parse error. */
|
|
|
+ // w/e
|
|
|
+
|
|
|
+ /* If the stack of open elements has an element in scope
|
|
|
+ whose tag name matches the tag name of the token, then
|
|
|
+ pop elements from this stack until an element with that
|
|
|
+ tag name has been popped from the stack. */
|
|
|
+ for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
+ if($this->stack[$n]->nodeName === $token['name']) {
|
|
|
+ $n = -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "h1", "h2", "h3", "h4",
|
|
|
+ "h5", "h6" */
|
|
|
+ case 'h1': case 'h2': case 'h3': case 'h4': case 'h5': case 'h6':
|
|
|
+ $elements = array('h1', 'h2', 'h3', 'h4', 'h5', 'h6');
|
|
|
+
|
|
|
+ /* If the stack of open elements has in scope an element whose
|
|
|
+ tag name is one of "h1", "h2", "h3", "h4", "h5", or "h6", then
|
|
|
+ generate implied end tags. */
|
|
|
+ if($this->elementInScope($elements)) {
|
|
|
+ $this->generateImpliedEndTags();
|
|
|
+
|
|
|
+ /* Now, if the current node is not an element with the same
|
|
|
+ tag name as that of the token, then this is a parse error. */
|
|
|
+ // w/e
|
|
|
+
|
|
|
+ /* If the stack of open elements has in scope an element
|
|
|
+ whose tag name is one of "h1", "h2", "h3", "h4", "h5", or
|
|
|
+ "h6", then pop elements from the stack until an element
|
|
|
+ with one of those tag names has been popped from the stack. */
|
|
|
+ while($this->elementInScope($elements)) {
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "a", "b", "big", "em",
|
|
|
+ "font", "i", "nobr", "s", "small", "strike", "strong", "tt", "u" */
|
|
|
+ case 'a': case 'b': case 'big': case 'em': case 'font':
|
|
|
+ case 'i': case 'nobr': case 's': case 'small': case 'strike':
|
|
|
+ case 'strong': case 'tt': case 'u':
|
|
|
+ /* 1. Let the formatting element be the last element in
|
|
|
+ the list of active formatting elements that:
|
|
|
+ * is between the end of the list and the last scope
|
|
|
+ marker in the list, if any, or the start of the list
|
|
|
+ otherwise, and
|
|
|
+ * has the same tag name as the token.
|
|
|
+ */
|
|
|
+ while(true) {
|
|
|
+ for($a = count($this->a_formatting) - 1; $a >= 0; $a--) {
|
|
|
+ if($this->a_formatting[$a] === self::MARKER) {
|
|
|
+ break;
|
|
|
+
|
|
|
+ } elseif($this->a_formatting[$a]->tagName === $token['name']) {
|
|
|
+ $formatting_element = $this->a_formatting[$a];
|
|
|
+ $in_stack = in_array($formatting_element, $this->stack, true);
|
|
|
+ $fe_af_pos = $a;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* If there is no such node, or, if that node is
|
|
|
+ also in the stack of open elements but the element
|
|
|
+ is not in scope, then this is a parse error. Abort
|
|
|
+ these steps. The token is ignored. */
|
|
|
+ if(!isset($formatting_element) || ($in_stack &&
|
|
|
+ !$this->elementInScope($token['name']))) {
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* Otherwise, if there is such a node, but that node
|
|
|
+ is not in the stack of open elements, then this is a
|
|
|
+ parse error; remove the element from the list, and
|
|
|
+ abort these steps. */
|
|
|
+ } elseif(isset($formatting_element) && !$in_stack) {
|
|
|
+ unset($this->a_formatting[$fe_af_pos]);
|
|
|
+ $this->a_formatting = array_merge($this->a_formatting);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 2. Let the furthest block be the topmost node in the
|
|
|
+ stack of open elements that is lower in the stack
|
|
|
+ than the formatting element, and is not an element in
|
|
|
+ the phrasing or formatting categories. There might
|
|
|
+ not be one. */
|
|
|
+ $fe_s_pos = array_search($formatting_element, $this->stack, true);
|
|
|
+ $length = count($this->stack);
|
|
|
+
|
|
|
+ for($s = $fe_s_pos + 1; $s < $length; $s++) {
|
|
|
+ $category = $this->getElementCategory($this->stack[$s]->nodeName);
|
|
|
+
|
|
|
+ if($category !== self::PHRASING && $category !== self::FORMATTING) {
|
|
|
+ $furthest_block = $this->stack[$s];
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 3. If there is no furthest block, then the UA must
|
|
|
+ skip the subsequent steps and instead just pop all
|
|
|
+ the nodes from the bottom of the stack of open
|
|
|
+ elements, from the current node up to the formatting
|
|
|
+ element, and remove the formatting element from the
|
|
|
+ list of active formatting elements. */
|
|
|
+ if(!isset($furthest_block)) {
|
|
|
+ for($n = $length - 1; $n >= $fe_s_pos; $n--) {
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+
|
|
|
+ unset($this->a_formatting[$fe_af_pos]);
|
|
|
+ $this->a_formatting = array_merge($this->a_formatting);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 4. Let the common ancestor be the element
|
|
|
+ immediately above the formatting element in the stack
|
|
|
+ of open elements. */
|
|
|
+ $common_ancestor = $this->stack[$fe_s_pos - 1];
|
|
|
+
|
|
|
+ /* 5. If the furthest block has a parent node, then
|
|
|
+ remove the furthest block from its parent node. */
|
|
|
+ if($furthest_block->parentNode !== null) {
|
|
|
+ $furthest_block->parentNode->removeChild($furthest_block);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 6. Let a bookmark note the position of the
|
|
|
+ formatting element in the list of active formatting
|
|
|
+ elements relative to the elements on either side
|
|
|
+ of it in the list. */
|
|
|
+ $bookmark = $fe_af_pos;
|
|
|
+
|
|
|
+ /* 7. Let node and last node be the furthest block.
|
|
|
+ Follow these steps: */
|
|
|
+ $node = $furthest_block;
|
|
|
+ $last_node = $furthest_block;
|
|
|
+
|
|
|
+ while(true) {
|
|
|
+ for($n = array_search($node, $this->stack, true) - 1; $n >= 0; $n--) {
|
|
|
+ /* 7.1 Let node be the element immediately
|
|
|
+ prior to node in the stack of open elements. */
|
|
|
+ $node = $this->stack[$n];
|
|
|
+
|
|
|
+ /* 7.2 If node is not in the list of active
|
|
|
+ formatting elements, then remove node from
|
|
|
+ the stack of open elements and then go back
|
|
|
+ to step 1. */
|
|
|
+ if(!in_array($node, $this->a_formatting, true)) {
|
|
|
+ unset($this->stack[$n]);
|
|
|
+ $this->stack = array_merge($this->stack);
|
|
|
+
|
|
|
+ } else {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 7.3 Otherwise, if node is the formatting
|
|
|
+ element, then go to the next step in the overall
|
|
|
+ algorithm. */
|
|
|
+ if($node === $formatting_element) {
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 7.4 Otherwise, if last node is the furthest
|
|
|
+ block, then move the aforementioned bookmark to
|
|
|
+ be immediately after the node in the list of
|
|
|
+ active formatting elements. */
|
|
|
+ } elseif($last_node === $furthest_block) {
|
|
|
+ $bookmark = array_search($node, $this->a_formatting, true) + 1;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 7.5 If node has any children, perform a
|
|
|
+ shallow clone of node, replace the entry for
|
|
|
+ node in the list of active formatting elements
|
|
|
+ with an entry for the clone, replace the entry
|
|
|
+ for node in the stack of open elements with an
|
|
|
+ entry for the clone, and let node be the clone. */
|
|
|
+ if($node->hasChildNodes()) {
|
|
|
+ $clone = $node->cloneNode();
|
|
|
+ $s_pos = array_search($node, $this->stack, true);
|
|
|
+ $a_pos = array_search($node, $this->a_formatting, true);
|
|
|
+
|
|
|
+ $this->stack[$s_pos] = $clone;
|
|
|
+ $this->a_formatting[$a_pos] = $clone;
|
|
|
+ $node = $clone;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 7.6 Insert last node into node, first removing
|
|
|
+ it from its previous parent node if any. */
|
|
|
+ if($last_node->parentNode !== null) {
|
|
|
+ $last_node->parentNode->removeChild($last_node);
|
|
|
+ }
|
|
|
+
|
|
|
+ $node->appendChild($last_node);
|
|
|
+
|
|
|
+ /* 7.7 Let last node be node. */
|
|
|
+ $last_node = $node;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 8. Insert whatever last node ended up being in
|
|
|
+ the previous step into the common ancestor node,
|
|
|
+ first removing it from its previous parent node if
|
|
|
+ any. */
|
|
|
+ if($last_node->parentNode !== null) {
|
|
|
+ $last_node->parentNode->removeChild($last_node);
|
|
|
+ }
|
|
|
+
|
|
|
+ $common_ancestor->appendChild($last_node);
|
|
|
+
|
|
|
+ /* 9. Perform a shallow clone of the formatting
|
|
|
+ element. */
|
|
|
+ $clone = $formatting_element->cloneNode();
|
|
|
+
|
|
|
+ /* 10. Take all of the child nodes of the furthest
|
|
|
+ block and append them to the clone created in the
|
|
|
+ last step. */
|
|
|
+ while($furthest_block->hasChildNodes()) {
|
|
|
+ $child = $furthest_block->firstChild;
|
|
|
+ $furthest_block->removeChild($child);
|
|
|
+ $clone->appendChild($child);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 11. Append that clone to the furthest block. */
|
|
|
+ $furthest_block->appendChild($clone);
|
|
|
+
|
|
|
+ /* 12. Remove the formatting element from the list
|
|
|
+ of active formatting elements, and insert the clone
|
|
|
+ into the list of active formatting elements at the
|
|
|
+ position of the aforementioned bookmark. */
|
|
|
+ $fe_af_pos = array_search($formatting_element, $this->a_formatting, true);
|
|
|
+ unset($this->a_formatting[$fe_af_pos]);
|
|
|
+ $this->a_formatting = array_merge($this->a_formatting);
|
|
|
+
|
|
|
+ $af_part1 = array_slice($this->a_formatting, 0, $bookmark - 1);
|
|
|
+ $af_part2 = array_slice($this->a_formatting, $bookmark, count($this->a_formatting));
|
|
|
+ $this->a_formatting = array_merge($af_part1, array($clone), $af_part2);
|
|
|
+
|
|
|
+ /* 13. Remove the formatting element from the stack
|
|
|
+ of open elements, and insert the clone into the stack
|
|
|
+ of open elements immediately after (i.e. in a more
|
|
|
+ deeply nested position than) the position of the
|
|
|
+ furthest block in that stack. */
|
|
|
+ $fe_s_pos = array_search($formatting_element, $this->stack, true);
|
|
|
+ $fb_s_pos = array_search($furthest_block, $this->stack, true);
|
|
|
+ unset($this->stack[$fe_s_pos]);
|
|
|
+
|
|
|
+ $s_part1 = array_slice($this->stack, 0, $fb_s_pos);
|
|
|
+ $s_part2 = array_slice($this->stack, $fb_s_pos + 1, count($this->stack));
|
|
|
+ $this->stack = array_merge($s_part1, array($clone), $s_part2);
|
|
|
+
|
|
|
+ /* 14. Jump back to step 1 in this series of steps. */
|
|
|
+ unset($formatting_element, $fe_af_pos, $fe_s_pos, $furthest_block);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* An end tag token whose tag name is one of: "button",
|
|
|
+ "marquee", "object" */
|
|
|
+ case 'button': case 'marquee': case 'object':
|
|
|
+ /* If the stack of open elements has an element in scope whose
|
|
|
+ tag name matches the tag name of the token, then generate implied
|
|
|
+ tags. */
|
|
|
+ if($this->elementInScope($token['name'])) {
|
|
|
+ $this->generateImpliedEndTags();
|
|
|
+
|
|
|
+ /* Now, if the current node is not an element with the same
|
|
|
+ tag name as the token, then this is a parse error. */
|
|
|
+ // k
|
|
|
+
|
|
|
+ /* Now, if the stack of open elements has an element in scope
|
|
|
+ whose tag name matches the tag name of the token, then pop
|
|
|
+ elements from the stack until that element has been popped from
|
|
|
+ the stack, and clear the list of active formatting elements up
|
|
|
+ to the last marker. */
|
|
|
+ for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
+ if($this->stack[$n]->nodeName === $token['name']) {
|
|
|
+ $n = -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+
|
|
|
+ $marker = end(array_keys($this->a_formatting, self::MARKER, true));
|
|
|
+
|
|
|
+ for($n = count($this->a_formatting) - 1; $n > $marker; $n--) {
|
|
|
+ array_pop($this->a_formatting);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* Or an end tag whose tag name is one of: "area", "basefont",
|
|
|
+ "bgsound", "br", "embed", "hr", "iframe", "image", "img",
|
|
|
+ "input", "isindex", "noembed", "noframes", "param", "select",
|
|
|
+ "spacer", "table", "textarea", "wbr" */
|
|
|
+ case 'area': case 'basefont': case 'bgsound': case 'br':
|
|
|
+ case 'embed': case 'hr': case 'iframe': case 'image':
|
|
|
+ case 'img': case 'input': case 'isindex': case 'noembed':
|
|
|
+ case 'noframes': case 'param': case 'select': case 'spacer':
|
|
|
+ case 'table': case 'textarea': case 'wbr':
|
|
|
+ // Parse error. Ignore the token.
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* An end tag token not covered by the previous entries */
|
|
|
+ default:
|
|
|
+ for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
+ /* Initialise node to be the current node (the bottommost
|
|
|
+ node of the stack). */
|
|
|
+ $node = end($this->stack);
|
|
|
+
|
|
|
+ /* If node has the same tag name as the end tag token,
|
|
|
+ then: */
|
|
|
+ if($token['name'] === $node->nodeName) {
|
|
|
+ /* Generate implied end tags. */
|
|
|
+ $this->generateImpliedEndTags();
|
|
|
+
|
|
|
+ /* If the tag name of the end tag token does not
|
|
|
+ match the tag name of the current node, this is a
|
|
|
+ parse error. */
|
|
|
+ // k
|
|
|
+
|
|
|
+ /* Pop all the nodes from the current node up to
|
|
|
+ node, including node, then stop this algorithm. */
|
|
|
+ for($x = count($this->stack) - $n; $x >= $n; $x--) {
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+ $category = $this->getElementCategory($node);
|
|
|
+
|
|
|
+ if($category !== self::SPECIAL && $category !== self::SCOPING) {
|
|
|
+ /* Otherwise, if node is in neither the formatting
|
|
|
+ category nor the phrasing category, then this is a
|
|
|
+ parse error. Stop this algorithm. The end tag token
|
|
|
+ is ignored. */
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inTable($token) {
|
|
|
+ $clear = array('html', 'table');
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE */
|
|
|
+ if($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
+ /* Append the character to the current node. */
|
|
|
+ $text = $this->dom->createTextNode($token['data']);
|
|
|
+ end($this->stack)->appendChild($text);
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the current node with the data
|
|
|
+ attribute set to the data given in the comment token. */
|
|
|
+ $comment = $this->dom->createComment($token['data']);
|
|
|
+ end($this->stack)->appendChild($comment);
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "caption" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
+ $token['name'] === 'caption') {
|
|
|
+ /* Clear the stack back to a table context. */
|
|
|
+ $this->clearStackToTableContext($clear);
|
|
|
+
|
|
|
+ /* Insert a marker at the end of the list of active
|
|
|
+ formatting elements. */
|
|
|
+ $this->a_formatting[] = self::MARKER;
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token, then switch the
|
|
|
+ insertion mode to "in caption". */
|
|
|
+ $this->insertElement($token);
|
|
|
+ $this->mode = self::IN_CAPTION;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "colgroup" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
+ $token['name'] === 'colgroup') {
|
|
|
+ /* Clear the stack back to a table context. */
|
|
|
+ $this->clearStackToTableContext($clear);
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token, then switch the
|
|
|
+ insertion mode to "in column group". */
|
|
|
+ $this->insertElement($token);
|
|
|
+ $this->mode = self::IN_CGROUP;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "col" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
+ $token['name'] === 'col') {
|
|
|
+ $this->inTable(array(
|
|
|
+ 'name' => 'colgroup',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->inColumnGroup($token);
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "tbody", "tfoot", "thead" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
+ array('tbody', 'tfoot', 'thead'))) {
|
|
|
+ /* Clear the stack back to a table context. */
|
|
|
+ $this->clearStackToTableContext($clear);
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token, then switch the insertion
|
|
|
+ mode to "in table body". */
|
|
|
+ $this->insertElement($token);
|
|
|
+ $this->mode = self::IN_TBODY;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "td", "th", "tr" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
+ in_array($token['name'], array('td', 'th', 'tr'))) {
|
|
|
+ /* Act as if a start tag token with the tag name "tbody" had been
|
|
|
+ seen, then reprocess the current token. */
|
|
|
+ $this->inTable(array(
|
|
|
+ 'name' => 'tbody',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->inTableBody($token);
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "table" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
+ $token['name'] === 'table') {
|
|
|
+ /* Parse error. Act as if an end tag token with the tag name "table"
|
|
|
+ had been seen, then, if that token wasn't ignored, reprocess the
|
|
|
+ current token. */
|
|
|
+ $this->inTable(array(
|
|
|
+ 'name' => 'table',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->mainPhase($token);
|
|
|
+
|
|
|
+ /* An end tag whose tag name is "table" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
+ $token['name'] === 'table') {
|
|
|
+ /* If the stack of open elements does not have an element in table
|
|
|
+ scope with the same tag name as the token, this is a parse error.
|
|
|
+ Ignore the token. (innerHTML case) */
|
|
|
+ if(!$this->elementInScope($token['name'], true)) {
|
|
|
+ return false;
|
|
|
+
|
|
|
+ /* Otherwise: */
|
|
|
+ } else {
|
|
|
+ /* Generate implied end tags. */
|
|
|
+ $this->generateImpliedEndTags();
|
|
|
+
|
|
|
+ /* Now, if the current node is not a table element, then this
|
|
|
+ is a parse error. */
|
|
|
+ // w/e
|
|
|
+
|
|
|
+ /* Pop elements from this stack until a table element has been
|
|
|
+ popped from the stack. */
|
|
|
+ while(true) {
|
|
|
+ $current = end($this->stack)->nodeName;
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ if($current === 'table') {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Reset the insertion mode appropriately. */
|
|
|
+ $this->resetInsertionMode();
|
|
|
+ }
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "body", "caption", "col",
|
|
|
+ "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
+ array('body', 'caption', 'col', 'colgroup', 'html', 'tbody', 'td',
|
|
|
+ 'tfoot', 'th', 'thead', 'tr'))) {
|
|
|
+ // Parse error. Ignore the token.
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Parse error. Process the token as if the insertion mode was "in
|
|
|
+ body", with the following exception: */
|
|
|
+
|
|
|
+ /* If the current node is a table, tbody, tfoot, thead, or tr
|
|
|
+ element, then, whenever a node would be inserted into the current
|
|
|
+ node, it must instead be inserted into the foster parent element. */
|
|
|
+ if(in_array(end($this->stack)->nodeName,
|
|
|
+ array('table', 'tbody', 'tfoot', 'thead', 'tr'))) {
|
|
|
+ /* The foster parent element is the parent element of the last
|
|
|
+ table element in the stack of open elements, if there is a
|
|
|
+ table element and it has such a parent element. If there is no
|
|
|
+ table element in the stack of open elements (innerHTML case),
|
|
|
+ then the foster parent element is the first element in the
|
|
|
+ stack of open elements (the html element). Otherwise, if there
|
|
|
+ is a table element in the stack of open elements, but the last
|
|
|
+ table element in the stack of open elements has no parent, or
|
|
|
+ its parent node is not an element, then the foster parent
|
|
|
+ element is the element before the last table element in the
|
|
|
+ stack of open elements. */
|
|
|
+ for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
+ if($this->stack[$n]->nodeName === 'table') {
|
|
|
+ $table = $this->stack[$n];
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if(isset($table) && $table->parentNode !== null) {
|
|
|
+ $this->foster_parent = $table->parentNode;
|
|
|
+
|
|
|
+ } elseif(!isset($table)) {
|
|
|
+ $this->foster_parent = $this->stack[0];
|
|
|
+
|
|
|
+ } elseif(isset($table) && ($table->parentNode === null ||
|
|
|
+ $table->parentNode->nodeType !== XML_ELEMENT_NODE)) {
|
|
|
+ $this->foster_parent = $this->stack[$n - 1];
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ $this->inBody($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inCaption($token) {
|
|
|
+ /* An end tag whose tag name is "caption" */
|
|
|
+ if($token['type'] === HTML5::ENDTAG && $token['name'] === 'caption') {
|
|
|
+ /* If the stack of open elements does not have an element in table
|
|
|
+ scope with the same tag name as the token, this is a parse error.
|
|
|
+ Ignore the token. (innerHTML case) */
|
|
|
+ if(!$this->elementInScope($token['name'], true)) {
|
|
|
+ // Ignore
|
|
|
+
|
|
|
+ /* Otherwise: */
|
|
|
+ } else {
|
|
|
+ /* Generate implied end tags. */
|
|
|
+ $this->generateImpliedEndTags();
|
|
|
+
|
|
|
+ /* Now, if the current node is not a caption element, then this
|
|
|
+ is a parse error. */
|
|
|
+ // w/e
|
|
|
+
|
|
|
+ /* Pop elements from this stack until a caption element has
|
|
|
+ been popped from the stack. */
|
|
|
+ while(true) {
|
|
|
+ $node = end($this->stack)->nodeName;
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ if($node === 'caption') {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear the list of active formatting elements up to the last
|
|
|
+ marker. */
|
|
|
+ $this->clearTheActiveFormattingElementsUpToTheLastMarker();
|
|
|
+
|
|
|
+ /* Switch the insertion mode to "in table". */
|
|
|
+ $this->mode = self::IN_TABLE;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
+ "tbody", "td", "tfoot", "th", "thead", "tr", or an end tag whose tag
|
|
|
+ name is "table" */
|
|
|
+ } elseif(($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
+ array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th',
|
|
|
+ 'thead', 'tr'))) || ($token['type'] === HTML5::ENDTAG &&
|
|
|
+ $token['name'] === 'table')) {
|
|
|
+ /* Parse error. Act as if an end tag with the tag name "caption"
|
|
|
+ had been seen, then, if that token wasn't ignored, reprocess the
|
|
|
+ current token. */
|
|
|
+ $this->inCaption(array(
|
|
|
+ 'name' => 'caption',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->inTable($token);
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "body", "col", "colgroup",
|
|
|
+ "html", "tbody", "td", "tfoot", "th", "thead", "tr" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
+ array('body', 'col', 'colgroup', 'html', 'tbody', 'tfoot', 'th',
|
|
|
+ 'thead', 'tr'))) {
|
|
|
+ // Parse error. Ignore the token.
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Process the token as if the insertion mode was "in body". */
|
|
|
+ $this->inBody($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inColumnGroup($token) {
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE */
|
|
|
+ if($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
+ /* Append the character to the current node. */
|
|
|
+ $text = $this->dom->createTextNode($token['data']);
|
|
|
+ end($this->stack)->appendChild($text);
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the current node with the data
|
|
|
+ attribute set to the data given in the comment token. */
|
|
|
+ $comment = $this->dom->createComment($token['data']);
|
|
|
+ end($this->stack)->appendChild($comment);
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "col" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'col') {
|
|
|
+ /* Insert a col element for the token. Immediately pop the current
|
|
|
+ node off the stack of open elements. */
|
|
|
+ $this->insertElement($token);
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ /* An end tag whose tag name is "colgroup" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
+ $token['name'] === 'colgroup') {
|
|
|
+ /* If the current node is the root html element, then this is a
|
|
|
+ parse error, ignore the token. (innerHTML case) */
|
|
|
+ if(end($this->stack)->nodeName === 'html') {
|
|
|
+ // Ignore
|
|
|
+
|
|
|
+ /* Otherwise, pop the current node (which will be a colgroup
|
|
|
+ element) from the stack of open elements. Switch the insertion
|
|
|
+ mode to "in table". */
|
|
|
+ } else {
|
|
|
+ array_pop($this->stack);
|
|
|
+ $this->mode = self::IN_TABLE;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* An end tag whose tag name is "col" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'col') {
|
|
|
+ /* Parse error. Ignore the token. */
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Act as if an end tag with the tag name "colgroup" had been seen,
|
|
|
+ and then, if that token wasn't ignored, reprocess the current token. */
|
|
|
+ $this->inColumnGroup(array(
|
|
|
+ 'name' => 'colgroup',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->inTable($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inTableBody($token) {
|
|
|
+ $clear = array('tbody', 'tfoot', 'thead', 'html');
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "tr" */
|
|
|
+ if($token['type'] === HTML5::STARTTAG && $token['name'] === 'tr') {
|
|
|
+ /* Clear the stack back to a table body context. */
|
|
|
+ $this->clearStackToTableContext($clear);
|
|
|
+
|
|
|
+ /* Insert a tr element for the token, then switch the insertion
|
|
|
+ mode to "in row". */
|
|
|
+ $this->insertElement($token);
|
|
|
+ $this->mode = self::IN_ROW;
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "th", "td" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
+ ($token['name'] === 'th' || $token['name'] === 'td')) {
|
|
|
+ /* Parse error. Act as if a start tag with the tag name "tr" had
|
|
|
+ been seen, then reprocess the current token. */
|
|
|
+ $this->inTableBody(array(
|
|
|
+ 'name' => 'tr',
|
|
|
+ 'type' => HTML5::STARTTAG,
|
|
|
+ 'attr' => array()
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->inRow($token);
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "tbody", "tfoot", "thead" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
+ in_array($token['name'], array('tbody', 'tfoot', 'thead'))) {
|
|
|
+ /* If the stack of open elements does not have an element in table
|
|
|
+ scope with the same tag name as the token, this is a parse error.
|
|
|
+ Ignore the token. */
|
|
|
+ if(!$this->elementInScope($token['name'], true)) {
|
|
|
+ // Ignore
|
|
|
+
|
|
|
+ /* Otherwise: */
|
|
|
+ } else {
|
|
|
+ /* Clear the stack back to a table body context. */
|
|
|
+ $this->clearStackToTableContext($clear);
|
|
|
+
|
|
|
+ /* Pop the current node from the stack of open elements. Switch
|
|
|
+ the insertion mode to "in table". */
|
|
|
+ array_pop($this->stack);
|
|
|
+ $this->mode = self::IN_TABLE;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
+ "tbody", "tfoot", "thead", or an end tag whose tag name is "table" */
|
|
|
+ } elseif(($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
+ array('caption', 'col', 'colgroup', 'tbody', 'tfoor', 'thead'))) ||
|
|
|
+ ($token['type'] === HTML5::STARTTAG && $token['name'] === 'table')) {
|
|
|
+ /* If the stack of open elements does not have a tbody, thead, or
|
|
|
+ tfoot element in table scope, this is a parse error. Ignore the
|
|
|
+ token. (innerHTML case) */
|
|
|
+ if(!$this->elementInScope(array('tbody', 'thead', 'tfoot'), true)) {
|
|
|
+ // Ignore.
|
|
|
+
|
|
|
+ /* Otherwise: */
|
|
|
+ } else {
|
|
|
+ /* Clear the stack back to a table body context. */
|
|
|
+ $this->clearStackToTableContext($clear);
|
|
|
+
|
|
|
+ /* Act as if an end tag with the same tag name as the current
|
|
|
+ node ("tbody", "tfoot", or "thead") had been seen, then
|
|
|
+ reprocess the current token. */
|
|
|
+ $this->inTableBody(array(
|
|
|
+ 'name' => end($this->stack)->nodeName,
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->mainPhase($token);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "body", "caption", "col",
|
|
|
+ "colgroup", "html", "td", "th", "tr" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
+ array('body', 'caption', 'col', 'colgroup', 'html', 'td', 'th', 'tr'))) {
|
|
|
+ /* Parse error. Ignore the token. */
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Process the token as if the insertion mode was "in table". */
|
|
|
+ $this->inTable($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inRow($token) {
|
|
|
+ $clear = array('tr', 'html');
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "th", "td" */
|
|
|
+ if($token['type'] === HTML5::STARTTAG &&
|
|
|
+ ($token['name'] === 'th' || $token['name'] === 'td')) {
|
|
|
+ /* Clear the stack back to a table row context. */
|
|
|
+ $this->clearStackToTableContext($clear);
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token, then switch the insertion
|
|
|
+ mode to "in cell". */
|
|
|
+ $this->insertElement($token);
|
|
|
+ $this->mode = self::IN_CELL;
|
|
|
+
|
|
|
+ /* Insert a marker at the end of the list of active formatting
|
|
|
+ elements. */
|
|
|
+ $this->a_formatting[] = self::MARKER;
|
|
|
+
|
|
|
+ /* An end tag whose tag name is "tr" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'tr') {
|
|
|
+ /* If the stack of open elements does not have an element in table
|
|
|
+ scope with the same tag name as the token, this is a parse error.
|
|
|
+ Ignore the token. (innerHTML case) */
|
|
|
+ if(!$this->elementInScope($token['name'], true)) {
|
|
|
+ // Ignore.
|
|
|
+
|
|
|
+ /* Otherwise: */
|
|
|
+ } else {
|
|
|
+ /* Clear the stack back to a table row context. */
|
|
|
+ $this->clearStackToTableContext($clear);
|
|
|
+
|
|
|
+ /* Pop the current node (which will be a tr element) from the
|
|
|
+ stack of open elements. Switch the insertion mode to "in table
|
|
|
+ body". */
|
|
|
+ array_pop($this->stack);
|
|
|
+ $this->mode = self::IN_TBODY;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
+ "tbody", "tfoot", "thead", "tr" or an end tag whose tag name is "table" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
+ array('caption', 'col', 'colgroup', 'tbody', 'tfoot', 'thead', 'tr'))) {
|
|
|
+ /* Act as if an end tag with the tag name "tr" had been seen, then,
|
|
|
+ if that token wasn't ignored, reprocess the current token. */
|
|
|
+ $this->inRow(array(
|
|
|
+ 'name' => 'tr',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->inCell($token);
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "tbody", "tfoot", "thead" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
+ in_array($token['name'], array('tbody', 'tfoot', 'thead'))) {
|
|
|
+ /* If the stack of open elements does not have an element in table
|
|
|
+ scope with the same tag name as the token, this is a parse error.
|
|
|
+ Ignore the token. */
|
|
|
+ if(!$this->elementInScope($token['name'], true)) {
|
|
|
+ // Ignore.
|
|
|
+
|
|
|
+ /* Otherwise: */
|
|
|
+ } else {
|
|
|
+ /* Otherwise, act as if an end tag with the tag name "tr" had
|
|
|
+ been seen, then reprocess the current token. */
|
|
|
+ $this->inRow(array(
|
|
|
+ 'name' => 'tr',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ return $this->inCell($token);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "body", "caption", "col",
|
|
|
+ "colgroup", "html", "td", "th" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
+ array('body', 'caption', 'col', 'colgroup', 'html', 'td', 'th', 'tr'))) {
|
|
|
+ /* Parse error. Ignore the token. */
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Process the token as if the insertion mode was "in table". */
|
|
|
+ $this->inTable($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inCell($token) {
|
|
|
+ /* An end tag whose tag name is one of: "td", "th" */
|
|
|
+ if($token['type'] === HTML5::ENDTAG &&
|
|
|
+ ($token['name'] === 'td' || $token['name'] === 'th')) {
|
|
|
+ /* If the stack of open elements does not have an element in table
|
|
|
+ scope with the same tag name as that of the token, then this is a
|
|
|
+ parse error and the token must be ignored. */
|
|
|
+ if(!$this->elementInScope($token['name'], true)) {
|
|
|
+ // Ignore.
|
|
|
+
|
|
|
+ /* Otherwise: */
|
|
|
+ } else {
|
|
|
+ /* Generate implied end tags, except for elements with the same
|
|
|
+ tag name as the token. */
|
|
|
+ $this->generateImpliedEndTags(array($token['name']));
|
|
|
+
|
|
|
+ /* Now, if the current node is not an element with the same tag
|
|
|
+ name as the token, then this is a parse error. */
|
|
|
+ // k
|
|
|
+
|
|
|
+ /* Pop elements from this stack until an element with the same
|
|
|
+ tag name as the token has been popped from the stack. */
|
|
|
+ while(true) {
|
|
|
+ $node = end($this->stack)->nodeName;
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ if($node === $token['name']) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Clear the list of active formatting elements up to the last
|
|
|
+ marker. */
|
|
|
+ $this->clearTheActiveFormattingElementsUpToTheLastMarker();
|
|
|
+
|
|
|
+ /* Switch the insertion mode to "in row". (The current node
|
|
|
+ will be a tr element at this point.) */
|
|
|
+ $this->mode = self::IN_ROW;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
+ "tbody", "td", "tfoot", "th", "thead", "tr" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
+ array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th',
|
|
|
+ 'thead', 'tr'))) {
|
|
|
+ /* If the stack of open elements does not have a td or th element
|
|
|
+ in table scope, then this is a parse error; ignore the token.
|
|
|
+ (innerHTML case) */
|
|
|
+ if(!$this->elementInScope(array('td', 'th'), true)) {
|
|
|
+ // Ignore.
|
|
|
+
|
|
|
+ /* Otherwise, close the cell (see below) and reprocess the current
|
|
|
+ token. */
|
|
|
+ } else {
|
|
|
+ $this->closeCell();
|
|
|
+ return $this->inRow($token);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* A start tag whose tag name is one of: "caption", "col", "colgroup",
|
|
|
+ "tbody", "td", "tfoot", "th", "thead", "tr" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'],
|
|
|
+ array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th',
|
|
|
+ 'thead', 'tr'))) {
|
|
|
+ /* If the stack of open elements does not have a td or th element
|
|
|
+ in table scope, then this is a parse error; ignore the token.
|
|
|
+ (innerHTML case) */
|
|
|
+ if(!$this->elementInScope(array('td', 'th'), true)) {
|
|
|
+ // Ignore.
|
|
|
+
|
|
|
+ /* Otherwise, close the cell (see below) and reprocess the current
|
|
|
+ token. */
|
|
|
+ } else {
|
|
|
+ $this->closeCell();
|
|
|
+ return $this->inRow($token);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "body", "caption", "col",
|
|
|
+ "colgroup", "html" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
+ array('body', 'caption', 'col', 'colgroup', 'html'))) {
|
|
|
+ /* Parse error. Ignore the token. */
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "table", "tbody", "tfoot",
|
|
|
+ "thead", "tr" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'],
|
|
|
+ array('table', 'tbody', 'tfoot', 'thead', 'tr'))) {
|
|
|
+ /* If the stack of open elements does not have an element in table
|
|
|
+ scope with the same tag name as that of the token (which can only
|
|
|
+ happen for "tbody", "tfoot" and "thead", or, in the innerHTML case),
|
|
|
+ then this is a parse error and the token must be ignored. */
|
|
|
+ if(!$this->elementInScope($token['name'], true)) {
|
|
|
+ // Ignore.
|
|
|
+
|
|
|
+ /* Otherwise, close the cell (see below) and reprocess the current
|
|
|
+ token. */
|
|
|
+ } else {
|
|
|
+ $this->closeCell();
|
|
|
+ return $this->inRow($token);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Process the token as if the insertion mode was "in body". */
|
|
|
+ $this->inBody($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inSelect($token) {
|
|
|
+ /* Handle the token as follows: */
|
|
|
+
|
|
|
+ /* A character token */
|
|
|
+ if($token['type'] === HTML5::CHARACTR) {
|
|
|
+ /* Append the token's character to the current node. */
|
|
|
+ $this->insertText($token['data']);
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the current node with the data
|
|
|
+ attribute set to the data given in the comment token. */
|
|
|
+ $this->insertComment($token['data']);
|
|
|
+
|
|
|
+ /* A start tag token whose tag name is "option" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
+ $token['name'] === 'option') {
|
|
|
+ /* If the current node is an option element, act as if an end tag
|
|
|
+ with the tag name "option" had been seen. */
|
|
|
+ if(end($this->stack)->nodeName === 'option') {
|
|
|
+ $this->inSelect(array(
|
|
|
+ 'name' => 'option',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* A start tag token whose tag name is "optgroup" */
|
|
|
+ } elseif($token['type'] === HTML5::STARTTAG &&
|
|
|
+ $token['name'] === 'optgroup') {
|
|
|
+ /* If the current node is an option element, act as if an end tag
|
|
|
+ with the tag name "option" had been seen. */
|
|
|
+ if(end($this->stack)->nodeName === 'option') {
|
|
|
+ $this->inSelect(array(
|
|
|
+ 'name' => 'option',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* If the current node is an optgroup element, act as if an end tag
|
|
|
+ with the tag name "optgroup" had been seen. */
|
|
|
+ if(end($this->stack)->nodeName === 'optgroup') {
|
|
|
+ $this->inSelect(array(
|
|
|
+ 'name' => 'optgroup',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* An end tag token whose tag name is "optgroup" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
+ $token['name'] === 'optgroup') {
|
|
|
+ /* First, if the current node is an option element, and the node
|
|
|
+ immediately before it in the stack of open elements is an optgroup
|
|
|
+ element, then act as if an end tag with the tag name "option" had
|
|
|
+ been seen. */
|
|
|
+ $elements_in_stack = count($this->stack);
|
|
|
+
|
|
|
+ if($this->stack[$elements_in_stack - 1]->nodeName === 'option' &&
|
|
|
+ $this->stack[$elements_in_stack - 2]->nodeName === 'optgroup') {
|
|
|
+ $this->inSelect(array(
|
|
|
+ 'name' => 'option',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+ }
|
|
|
+
|
|
|
+ /* If the current node is an optgroup element, then pop that node
|
|
|
+ from the stack of open elements. Otherwise, this is a parse error,
|
|
|
+ ignore the token. */
|
|
|
+ if($this->stack[$elements_in_stack - 1] === 'optgroup') {
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* An end tag token whose tag name is "option" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
+ $token['name'] === 'option') {
|
|
|
+ /* If the current node is an option element, then pop that node
|
|
|
+ from the stack of open elements. Otherwise, this is a parse error,
|
|
|
+ ignore the token. */
|
|
|
+ if(end($this->stack)->nodeName === 'option') {
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* An end tag whose tag name is "select" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG &&
|
|
|
+ $token['name'] === 'select') {
|
|
|
+ /* If the stack of open elements does not have an element in table
|
|
|
+ scope with the same tag name as the token, this is a parse error.
|
|
|
+ Ignore the token. (innerHTML case) */
|
|
|
+ if(!$this->elementInScope($token['name'], true)) {
|
|
|
+ // w/e
|
|
|
+
|
|
|
+ /* Otherwise: */
|
|
|
+ } else {
|
|
|
+ /* Pop elements from the stack of open elements until a select
|
|
|
+ element has been popped from the stack. */
|
|
|
+ while(true) {
|
|
|
+ $current = end($this->stack)->nodeName;
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ if($current === 'select') {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Reset the insertion mode appropriately. */
|
|
|
+ $this->resetInsertionMode();
|
|
|
+ }
|
|
|
+
|
|
|
+ /* A start tag whose tag name is "select" */
|
|
|
+ } elseif($token['name'] === 'select' &&
|
|
|
+ $token['type'] === HTML5::STARTTAG) {
|
|
|
+ /* Parse error. Act as if the token had been an end tag with the
|
|
|
+ tag name "select" instead. */
|
|
|
+ $this->inSelect(array(
|
|
|
+ 'name' => 'select',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ /* An end tag whose tag name is one of: "caption", "table", "tbody",
|
|
|
+ "tfoot", "thead", "tr", "td", "th" */
|
|
|
+ } elseif(in_array($token['name'], array('caption', 'table', 'tbody',
|
|
|
+ 'tfoot', 'thead', 'tr', 'td', 'th')) && $token['type'] === HTML5::ENDTAG) {
|
|
|
+ /* Parse error. */
|
|
|
+ // w/e
|
|
|
+
|
|
|
+ /* If the stack of open elements has an element in table scope with
|
|
|
+ the same tag name as that of the token, then act as if an end tag
|
|
|
+ with the tag name "select" had been seen, and reprocess the token.
|
|
|
+ Otherwise, ignore the token. */
|
|
|
+ if($this->elementInScope($token['name'], true)) {
|
|
|
+ $this->inSelect(array(
|
|
|
+ 'name' => 'select',
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ $this->mainPhase($token);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Parse error. Ignore the token. */
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function afterBody($token) {
|
|
|
+ /* Handle the token as follows: */
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE */
|
|
|
+ if($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
+ /* Process the token as it would be processed if the insertion mode
|
|
|
+ was "in body". */
|
|
|
+ $this->inBody($token);
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the first element in the stack of open
|
|
|
+ elements (the html element), with the data attribute set to the
|
|
|
+ data given in the comment token. */
|
|
|
+ $comment = $this->dom->createComment($token['data']);
|
|
|
+ $this->stack[0]->appendChild($comment);
|
|
|
+
|
|
|
+ /* An end tag with the tag name "html" */
|
|
|
+ } elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'html') {
|
|
|
+ /* If the parser was originally created in order to handle the
|
|
|
+ setting of an element's innerHTML attribute, this is a parse error;
|
|
|
+ ignore the token. (The element will be an html element in this
|
|
|
+ case.) (innerHTML case) */
|
|
|
+
|
|
|
+ /* Otherwise, switch to the trailing end phase. */
|
|
|
+ $this->phase = self::END_PHASE;
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Parse error. Set the insertion mode to "in body" and reprocess
|
|
|
+ the token. */
|
|
|
+ $this->mode = self::IN_BODY;
|
|
|
+ return $this->inBody($token);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function inFrameset($token) {
|
|
|
+ /* Handle the token as follows: */
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */
|
|
|
+ if($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
+ /* Append the character to the current node. */
|
|
|
+ $this->insertText($token['data']);
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the current node with the data
|
|
|
+ attribute set to the data given in the comment token. */
|
|
|
+ $this->insertComment($token['data']);
|
|
|
+
|
|
|
+ /* A start tag with the tag name "frameset" */
|
|
|
+ } elseif($token['name'] === 'frameset' &&
|
|
|
+ $token['type'] === HTML5::STARTTAG) {
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* An end tag with the tag name "frameset" */
|
|
|
+ } elseif($token['name'] === 'frameset' &&
|
|
|
+ $token['type'] === HTML5::ENDTAG) {
|
|
|
+ /* If the current node is the root html element, then this is a
|
|
|
+ parse error; ignore the token. (innerHTML case) */
|
|
|
+ if(end($this->stack)->nodeName === 'html') {
|
|
|
+ // Ignore
|
|
|
+
|
|
|
+ } else {
|
|
|
+ /* Otherwise, pop the current node from the stack of open
|
|
|
+ elements. */
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ /* If the parser was not originally created in order to handle
|
|
|
+ the setting of an element's innerHTML attribute (innerHTML case),
|
|
|
+ and the current node is no longer a frameset element, then change
|
|
|
+ the insertion mode to "after frameset". */
|
|
|
+ $this->mode = self::AFTR_FRAME;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* A start tag with the tag name "frame" */
|
|
|
+ } elseif($token['name'] === 'frame' &&
|
|
|
+ $token['type'] === HTML5::STARTTAG) {
|
|
|
+ /* Insert an HTML element for the token. */
|
|
|
+ $this->insertElement($token);
|
|
|
+
|
|
|
+ /* Immediately pop the current node off the stack of open elements. */
|
|
|
+ array_pop($this->stack);
|
|
|
+
|
|
|
+ /* A start tag with the tag name "noframes" */
|
|
|
+ } elseif($token['name'] === 'noframes' &&
|
|
|
+ $token['type'] === HTML5::STARTTAG) {
|
|
|
+ /* Process the token as if the insertion mode had been "in body". */
|
|
|
+ $this->inBody($token);
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Parse error. Ignore the token. */
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function afterFrameset($token) {
|
|
|
+ /* Handle the token as follows: */
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */
|
|
|
+ if($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
+ /* Append the character to the current node. */
|
|
|
+ $this->insertText($token['data']);
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the current node with the data
|
|
|
+ attribute set to the data given in the comment token. */
|
|
|
+ $this->insertComment($token['data']);
|
|
|
+
|
|
|
+ /* An end tag with the tag name "html" */
|
|
|
+ } elseif($token['name'] === 'html' &&
|
|
|
+ $token['type'] === HTML5::ENDTAG) {
|
|
|
+ /* Switch to the trailing end phase. */
|
|
|
+ $this->phase = self::END_PHASE;
|
|
|
+
|
|
|
+ /* A start tag with the tag name "noframes" */
|
|
|
+ } elseif($token['name'] === 'noframes' &&
|
|
|
+ $token['type'] === HTML5::STARTTAG) {
|
|
|
+ /* Process the token as if the insertion mode had been "in body". */
|
|
|
+ $this->inBody($token);
|
|
|
+
|
|
|
+ /* Anything else */
|
|
|
+ } else {
|
|
|
+ /* Parse error. Ignore the token. */
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function trailingEndPhase($token) {
|
|
|
+ /* After the main phase, as each token is emitted from the tokenisation
|
|
|
+ stage, it must be processed as described in this section. */
|
|
|
+
|
|
|
+ /* A DOCTYPE token */
|
|
|
+ if($token['type'] === HTML5::DOCTYPE) {
|
|
|
+ // Parse error. Ignore the token.
|
|
|
+
|
|
|
+ /* A comment token */
|
|
|
+ } elseif($token['type'] === HTML5::COMMENT) {
|
|
|
+ /* Append a Comment node to the Document object with the data
|
|
|
+ attribute set to the data given in the comment token. */
|
|
|
+ $comment = $this->dom->createComment($token['data']);
|
|
|
+ $this->dom->appendChild($comment);
|
|
|
+
|
|
|
+ /* A character token that is one of one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE */
|
|
|
+ } elseif($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) {
|
|
|
+ /* Process the token as it would be processed in the main phase. */
|
|
|
+ $this->mainPhase($token);
|
|
|
+
|
|
|
+ /* A character token that is not one of U+0009 CHARACTER TABULATION,
|
|
|
+ U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF),
|
|
|
+ or U+0020 SPACE. Or a start tag token. Or an end tag token. */
|
|
|
+ } elseif(($token['type'] === HTML5::CHARACTR &&
|
|
|
+ preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) ||
|
|
|
+ $token['type'] === HTML5::STARTTAG || $token['type'] === HTML5::ENDTAG) {
|
|
|
+ /* Parse error. Switch back to the main phase and reprocess the
|
|
|
+ token. */
|
|
|
+ $this->phase = self::MAIN_PHASE;
|
|
|
+ return $this->mainPhase($token);
|
|
|
+
|
|
|
+ /* An end-of-file token */
|
|
|
+ } elseif($token['type'] === HTML5::EOF) {
|
|
|
+ /* OMG DONE!! */
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function insertElement($token, $append = true, $check = false) {
|
|
|
+ // Proprietary workaround for libxml2's limitations with tag names
|
|
|
+ if ($check) {
|
|
|
+ // Slightly modified HTML5 tag-name modification,
|
|
|
+ // removing anything that's not an ASCII letter, digit, or hyphen
|
|
|
+ $token['name'] = preg_replace('/[^a-z0-9-]/i', '', $token['name']);
|
|
|
+ // Remove leading hyphens and numbers
|
|
|
+ $token['name'] = ltrim($token['name'], '-0..9');
|
|
|
+ // In theory, this should ever be needed, but just in case
|
|
|
+ if ($token['name'] === '') $token['name'] = 'span'; // arbitrary generic choice
|
|
|
+ }
|
|
|
+
|
|
|
+ $el = $this->dom->createElement($token['name']);
|
|
|
+
|
|
|
+ foreach($token['attr'] as $attr) {
|
|
|
+ if(!$el->hasAttribute($attr['name'])) {
|
|
|
+ $el->setAttribute($attr['name'], $attr['value']);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ $this->appendToRealParent($el);
|
|
|
+ $this->stack[] = $el;
|
|
|
+
|
|
|
+ return $el;
|
|
|
+ }
|
|
|
+
|
|
|
+ private function insertText($data) {
|
|
|
+ $text = $this->dom->createTextNode($data);
|
|
|
+ $this->appendToRealParent($text);
|
|
|
+ }
|
|
|
+
|
|
|
+ private function insertComment($data) {
|
|
|
+ $comment = $this->dom->createComment($data);
|
|
|
+ $this->appendToRealParent($comment);
|
|
|
+ }
|
|
|
+
|
|
|
+ private function appendToRealParent($node) {
|
|
|
+ if($this->foster_parent === null) {
|
|
|
+ end($this->stack)->appendChild($node);
|
|
|
+
|
|
|
+ } elseif($this->foster_parent !== null) {
|
|
|
+ /* If the foster parent element is the parent element of the
|
|
|
+ last table element in the stack of open elements, then the new
|
|
|
+ node must be inserted immediately before the last table element
|
|
|
+ in the stack of open elements in the foster parent element;
|
|
|
+ otherwise, the new node must be appended to the foster parent
|
|
|
+ element. */
|
|
|
+ for($n = count($this->stack) - 1; $n >= 0; $n--) {
|
|
|
+ if($this->stack[$n]->nodeName === 'table' &&
|
|
|
+ $this->stack[$n]->parentNode !== null) {
|
|
|
+ $table = $this->stack[$n];
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if(isset($table) && $this->foster_parent->isSameNode($table->parentNode))
|
|
|
+ $this->foster_parent->insertBefore($node, $table);
|
|
|
+ else
|
|
|
+ $this->foster_parent->appendChild($node);
|
|
|
+
|
|
|
+ $this->foster_parent = null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function elementInScope($el, $table = false) {
|
|
|
+ if(is_array($el)) {
|
|
|
+ foreach($el as $element) {
|
|
|
+ if($this->elementInScope($element, $table)) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ $leng = count($this->stack);
|
|
|
+
|
|
|
+ for($n = 0; $n < $leng; $n++) {
|
|
|
+ /* 1. Initialise node to be the current node (the bottommost node of
|
|
|
+ the stack). */
|
|
|
+ $node = $this->stack[$leng - 1 - $n];
|
|
|
+
|
|
|
+ if($node->tagName === $el) {
|
|
|
+ /* 2. If node is the target node, terminate in a match state. */
|
|
|
+ return true;
|
|
|
+
|
|
|
+ } elseif($node->tagName === 'table') {
|
|
|
+ /* 3. Otherwise, if node is a table element, terminate in a failure
|
|
|
+ state. */
|
|
|
+ return false;
|
|
|
+
|
|
|
+ } elseif($table === true && in_array($node->tagName, array('caption', 'td',
|
|
|
+ 'th', 'button', 'marquee', 'object'))) {
|
|
|
+ /* 4. Otherwise, if the algorithm is the "has an element in scope"
|
|
|
+ variant (rather than the "has an element in table scope" variant),
|
|
|
+ and node is one of the following, terminate in a failure state. */
|
|
|
+ return false;
|
|
|
+
|
|
|
+ } elseif($node === $node->ownerDocument->documentElement) {
|
|
|
+ /* 5. Otherwise, if node is an html element (root element), terminate
|
|
|
+ in a failure state. (This can only happen if the node is the topmost
|
|
|
+ node of the stack of open elements, and prevents the next step from
|
|
|
+ being invoked if there are no more elements in the stack.) */
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Otherwise, set node to the previous entry in the stack of open
|
|
|
+ elements and return to step 2. (This will never fail, since the loop
|
|
|
+ will always terminate in the previous step if the top of the stack
|
|
|
+ is reached.) */
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function reconstructActiveFormattingElements() {
|
|
|
+ /* 1. If there are no entries in the list of active formatting elements,
|
|
|
+ then there is nothing to reconstruct; stop this algorithm. */
|
|
|
+ $formatting_elements = count($this->a_formatting);
|
|
|
+
|
|
|
+ if($formatting_elements === 0) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 3. Let entry be the last (most recently added) element in the list
|
|
|
+ of active formatting elements. */
|
|
|
+ $entry = end($this->a_formatting);
|
|
|
+
|
|
|
+ /* 2. If the last (most recently added) entry in the list of active
|
|
|
+ formatting elements is a marker, or if it is an element that is in the
|
|
|
+ stack of open elements, then there is nothing to reconstruct; stop this
|
|
|
+ algorithm. */
|
|
|
+ if($entry === self::MARKER || in_array($entry, $this->stack, true)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ for($a = $formatting_elements - 1; $a >= 0; true) {
|
|
|
+ /* 4. If there are no entries before entry in the list of active
|
|
|
+ formatting elements, then jump to step 8. */
|
|
|
+ if($a === 0) {
|
|
|
+ $step_seven = false;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 5. Let entry be the entry one earlier than entry in the list of
|
|
|
+ active formatting elements. */
|
|
|
+ $a--;
|
|
|
+ $entry = $this->a_formatting[$a];
|
|
|
+
|
|
|
+ /* 6. If entry is neither a marker nor an element that is also in
|
|
|
+ thetack of open elements, go to step 4. */
|
|
|
+ if($entry === self::MARKER || in_array($entry, $this->stack, true)) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ while(true) {
|
|
|
+ /* 7. Let entry be the element one later than entry in the list of
|
|
|
+ active formatting elements. */
|
|
|
+ if(isset($step_seven) && $step_seven === true) {
|
|
|
+ $a++;
|
|
|
+ $entry = $this->a_formatting[$a];
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 8. Perform a shallow clone of the element entry to obtain clone. */
|
|
|
+ $clone = $entry->cloneNode();
|
|
|
+
|
|
|
+ /* 9. Append clone to the current node and push it onto the stack
|
|
|
+ of open elements so that it is the new current node. */
|
|
|
+ end($this->stack)->appendChild($clone);
|
|
|
+ $this->stack[] = $clone;
|
|
|
+
|
|
|
+ /* 10. Replace the entry for entry in the list with an entry for
|
|
|
+ clone. */
|
|
|
+ $this->a_formatting[$a] = $clone;
|
|
|
+
|
|
|
+ /* 11. If the entry for clone in the list of active formatting
|
|
|
+ elements is not the last entry in the list, return to step 7. */
|
|
|
+ if(end($this->a_formatting) !== $clone) {
|
|
|
+ $step_seven = true;
|
|
|
+ } else {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function clearTheActiveFormattingElementsUpToTheLastMarker() {
|
|
|
+ /* When the steps below require the UA to clear the list of active
|
|
|
+ formatting elements up to the last marker, the UA must perform the
|
|
|
+ following steps: */
|
|
|
+
|
|
|
+ while(true) {
|
|
|
+ /* 1. Let entry be the last (most recently added) entry in the list
|
|
|
+ of active formatting elements. */
|
|
|
+ $entry = end($this->a_formatting);
|
|
|
+
|
|
|
+ /* 2. Remove entry from the list of active formatting elements. */
|
|
|
+ array_pop($this->a_formatting);
|
|
|
+
|
|
|
+ /* 3. If entry was a marker, then stop the algorithm at this point.
|
|
|
+ The list has been cleared up to the last marker. */
|
|
|
+ if($entry === self::MARKER) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function generateImpliedEndTags($exclude = array()) {
|
|
|
+ /* When the steps below require the UA to generate implied end tags,
|
|
|
+ then, if the current node is a dd element, a dt element, an li element,
|
|
|
+ a p element, a td element, a th element, or a tr element, the UA must
|
|
|
+ act as if an end tag with the respective tag name had been seen and
|
|
|
+ then generate implied end tags again. */
|
|
|
+ $node = end($this->stack);
|
|
|
+ $elements = array_diff(array('dd', 'dt', 'li', 'p', 'td', 'th', 'tr'), $exclude);
|
|
|
+
|
|
|
+ while(in_array(end($this->stack)->nodeName, $elements)) {
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function getElementCategory($node) {
|
|
|
+ $name = $node->tagName;
|
|
|
+ if(in_array($name, $this->special))
|
|
|
+ return self::SPECIAL;
|
|
|
+
|
|
|
+ elseif(in_array($name, $this->scoping))
|
|
|
+ return self::SCOPING;
|
|
|
+
|
|
|
+ elseif(in_array($name, $this->formatting))
|
|
|
+ return self::FORMATTING;
|
|
|
+
|
|
|
+ else
|
|
|
+ return self::PHRASING;
|
|
|
+ }
|
|
|
+
|
|
|
+ private function clearStackToTableContext($elements) {
|
|
|
+ /* When the steps above require the UA to clear the stack back to a
|
|
|
+ table context, it means that the UA must, while the current node is not
|
|
|
+ a table element or an html element, pop elements from the stack of open
|
|
|
+ elements. If this causes any elements to be popped from the stack, then
|
|
|
+ this is a parse error. */
|
|
|
+ while(true) {
|
|
|
+ $node = end($this->stack)->nodeName;
|
|
|
+
|
|
|
+ if(in_array($node, $elements)) {
|
|
|
+ break;
|
|
|
+ } else {
|
|
|
+ array_pop($this->stack);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function resetInsertionMode() {
|
|
|
+ /* 1. Let last be false. */
|
|
|
+ $last = false;
|
|
|
+ $leng = count($this->stack);
|
|
|
+
|
|
|
+ for($n = $leng - 1; $n >= 0; $n--) {
|
|
|
+ /* 2. Let node be the last node in the stack of open elements. */
|
|
|
+ $node = $this->stack[$n];
|
|
|
+
|
|
|
+ /* 3. If node is the first node in the stack of open elements, then
|
|
|
+ set last to true. If the element whose innerHTML attribute is being
|
|
|
+ set is neither a td element nor a th element, then set node to the
|
|
|
+ element whose innerHTML attribute is being set. (innerHTML case) */
|
|
|
+ if($this->stack[0]->isSameNode($node)) {
|
|
|
+ $last = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 4. If node is a select element, then switch the insertion mode to
|
|
|
+ "in select" and abort these steps. (innerHTML case) */
|
|
|
+ if($node->nodeName === 'select') {
|
|
|
+ $this->mode = self::IN_SELECT;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 5. If node is a td or th element, then switch the insertion mode
|
|
|
+ to "in cell" and abort these steps. */
|
|
|
+ } elseif($node->nodeName === 'td' || $node->nodeName === 'th') {
|
|
|
+ $this->mode = self::IN_CELL;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 6. If node is a tr element, then switch the insertion mode to
|
|
|
+ "in row" and abort these steps. */
|
|
|
+ } elseif($node->nodeName === 'tr') {
|
|
|
+ $this->mode = self::IN_ROW;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 7. If node is a tbody, thead, or tfoot element, then switch the
|
|
|
+ insertion mode to "in table body" and abort these steps. */
|
|
|
+ } elseif(in_array($node->nodeName, array('tbody', 'thead', 'tfoot'))) {
|
|
|
+ $this->mode = self::IN_TBODY;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 8. If node is a caption element, then switch the insertion mode
|
|
|
+ to "in caption" and abort these steps. */
|
|
|
+ } elseif($node->nodeName === 'caption') {
|
|
|
+ $this->mode = self::IN_CAPTION;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 9. If node is a colgroup element, then switch the insertion mode
|
|
|
+ to "in column group" and abort these steps. (innerHTML case) */
|
|
|
+ } elseif($node->nodeName === 'colgroup') {
|
|
|
+ $this->mode = self::IN_CGROUP;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 10. If node is a table element, then switch the insertion mode
|
|
|
+ to "in table" and abort these steps. */
|
|
|
+ } elseif($node->nodeName === 'table') {
|
|
|
+ $this->mode = self::IN_TABLE;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 11. If node is a head element, then switch the insertion mode
|
|
|
+ to "in body" ("in body"! not "in head"!) and abort these steps.
|
|
|
+ (innerHTML case) */
|
|
|
+ } elseif($node->nodeName === 'head') {
|
|
|
+ $this->mode = self::IN_BODY;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 12. If node is a body element, then switch the insertion mode to
|
|
|
+ "in body" and abort these steps. */
|
|
|
+ } elseif($node->nodeName === 'body') {
|
|
|
+ $this->mode = self::IN_BODY;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 13. If node is a frameset element, then switch the insertion
|
|
|
+ mode to "in frameset" and abort these steps. (innerHTML case) */
|
|
|
+ } elseif($node->nodeName === 'frameset') {
|
|
|
+ $this->mode = self::IN_FRAME;
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 14. If node is an html element, then: if the head element
|
|
|
+ pointer is null, switch the insertion mode to "before head",
|
|
|
+ otherwise, switch the insertion mode to "after head". In either
|
|
|
+ case, abort these steps. (innerHTML case) */
|
|
|
+ } elseif($node->nodeName === 'html') {
|
|
|
+ $this->mode = ($this->head_pointer === null)
|
|
|
+ ? self::BEFOR_HEAD
|
|
|
+ : self::AFTER_HEAD;
|
|
|
+
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* 15. If last is true, then set the insertion mode to "in body"
|
|
|
+ and abort these steps. (innerHTML case) */
|
|
|
+ } elseif($last) {
|
|
|
+ $this->mode = self::IN_BODY;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ private function closeCell() {
|
|
|
+ /* If the stack of open elements has a td or th element in table scope,
|
|
|
+ then act as if an end tag token with that tag name had been seen. */
|
|
|
+ foreach(array('td', 'th') as $cell) {
|
|
|
+ if($this->elementInScope($cell, true)) {
|
|
|
+ $this->inCell(array(
|
|
|
+ 'name' => $cell,
|
|
|
+ 'type' => HTML5::ENDTAG
|
|
|
+ ));
|
|
|
+
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public function save() {
|
|
|
+ return $this->dom;
|
|
|
+ }
|
|
|
+}
|
|
|
+?>
|