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- <?php
- namespace Symfony\Component\Config\Definition\Builder;
- use Symfony\Component\Config\Definition\Exception\UnsetKeyException;
- class ExprBuilder
- {
- protected $node;
- public $ifPart;
- public $thenPart;
- public function __construct(NodeDefinition $node)
- {
- $this->node = $node;
- }
-
- public function always(\Closure $then = null)
- {
- $this->ifPart = function ($v) { return true; };
- if (null !== $then) {
- $this->thenPart = $then;
- }
- return $this;
- }
-
- public function ifTrue(\Closure $closure = null)
- {
- if (null === $closure) {
- $closure = function ($v) { return true === $v; };
- }
- $this->ifPart = $closure;
- return $this;
- }
-
- public function ifString()
- {
- $this->ifPart = function ($v) { return \is_string($v); };
- return $this;
- }
-
- public function ifNull()
- {
- $this->ifPart = function ($v) { return null === $v; };
- return $this;
- }
-
- public function ifArray()
- {
- $this->ifPart = function ($v) { return \is_array($v); };
- return $this;
- }
-
- public function ifInArray(array $array)
- {
- $this->ifPart = function ($v) use ($array) { return \in_array($v, $array, true); };
- return $this;
- }
-
- public function ifNotInArray(array $array)
- {
- $this->ifPart = function ($v) use ($array) { return !\in_array($v, $array, true); };
- return $this;
- }
-
- public function then(\Closure $closure)
- {
- $this->thenPart = $closure;
- return $this;
- }
-
- public function thenEmptyArray()
- {
- $this->thenPart = function ($v) { return array(); };
- return $this;
- }
-
- public function thenInvalid($message)
- {
- $this->thenPart = function ($v) use ($message) { throw new \InvalidArgumentException(sprintf($message, json_encode($v))); };
- return $this;
- }
-
- public function thenUnset()
- {
- $this->thenPart = function ($v) { throw new UnsetKeyException('Unsetting key'); };
- return $this;
- }
-
- public function end()
- {
- if (null === $this->ifPart) {
- throw new \RuntimeException('You must specify an if part.');
- }
- if (null === $this->thenPart) {
- throw new \RuntimeException('You must specify a then part.');
- }
- return $this->node;
- }
-
- public static function buildExpressions(array $expressions)
- {
- foreach ($expressions as $k => $expr) {
- if ($expr instanceof self) {
- $if = $expr->ifPart;
- $then = $expr->thenPart;
- $expressions[$k] = function ($v) use ($if, $then) {
- return $if($v) ? $then($v) : $v;
- };
- }
- }
- return $expressions;
- }
- }
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