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- <?php
- /*
- * This file is part of Twig.
- *
- * (c) 2009 Fabien Potencier
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- /**
- * Twig base exception.
- *
- * @package twig
- * @author Fabien Potencier <fabien@symfony.com>
- */
- class Twig_Error extends Exception
- {
- protected $lineno;
- protected $filename;
- protected $rawMessage;
- protected $previous;
- /**
- * Constructor.
- *
- * @param string $message The error message
- * @param integer $lineno The template line where the error occurred
- * @param string $filename The template file name where the error occurred
- * @param Exception $previous The previous exception
- */
- public function __construct($message, $lineno = -1, $filename = null, Exception $previous = null)
- {
- if (-1 === $lineno || null === $filename) {
- if ($trace = $this->getTemplateTrace()) {
- if (-1 === $lineno) {
- $lineno = $this->guessTemplateLine($trace);
- }
- if (null === $filename) {
- $filename = $trace['object']->getTemplateName();
- }
- }
- }
- $this->lineno = $lineno;
- $this->filename = $filename;
- $this->rawMessage = $message;
- $this->updateRepr();
- if (version_compare(PHP_VERSION, '5.3.0', '<')) {
- $this->previous = $previous;
- parent::__construct($this->message);
- } else {
- parent::__construct($this->message, 0, $previous);
- }
- }
- /**
- * Gets the raw message.
- *
- * @return string The raw message
- */
- public function getRawMessage()
- {
- return $this->rawMessage;
- }
- /**
- * Gets the filename where the error occurred.
- *
- * @return string The filename
- */
- public function getTemplateFile()
- {
- return $this->filename;
- }
- /**
- * Sets the filename where the error occurred.
- *
- * @param string $filename The filename
- */
- public function setTemplateFile($filename)
- {
- $this->filename = $filename;
- $this->updateRepr();
- }
- /**
- * Gets the template line where the error occurred.
- *
- * @return integer The template line
- */
- public function getTemplateLine()
- {
- return $this->lineno;
- }
- /**
- * Sets the template line where the error occurred.
- *
- * @param integer $lineno The template line
- */
- public function setTemplateLine($lineno)
- {
- $this->lineno = $lineno;
- $this->updateRepr();
- }
- /**
- * For PHP < 5.3.0, provides access to the getPrevious() method.
- *
- * @param string $method The method name
- * @param array $arguments The parameters to be passed to the method
- *
- * @return Exception The previous exception or null
- */
- public function __call($method, $arguments)
- {
- if ('getprevious' == strtolower($method)) {
- return $this->previous;
- }
- throw new BadMethodCallException(sprintf('Method "Twig_Error::%s()" does not exist.', $method));
- }
- protected function updateRepr()
- {
- $this->message = $this->rawMessage;
- $dot = false;
- if ('.' === substr($this->message, -1)) {
- $this->message = substr($this->message, 0, -1);
- $dot = true;
- }
- if (null !== $this->filename) {
- $this->message .= sprintf(' in %s', is_string($this->filename) ? '"'.$this->filename.'"' : json_encode($this->filename));
- }
- if ($this->lineno >= 0) {
- $this->message .= sprintf(' at line %d', $this->lineno);
- }
- if ($dot) {
- $this->message .= '.';
- }
- }
- protected function getTemplateTrace()
- {
- foreach (debug_backtrace() as $trace) {
- if (isset($trace['object']) && $trace['object'] instanceof Twig_Template) {
- return $trace;
- }
- }
- }
- protected function guessTemplateLine($trace)
- {
- if (isset($trace['line'])) {
- foreach ($trace['object']->getDebugInfo() as $codeLine => $templateLine) {
- if ($codeLine <= $trace['line']) {
- return $templateLine;
- }
- }
- }
- return -1;
- }
- }
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