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<?php |
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/** |
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* @author Gerard van Helden <[email protected]> |
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* @copyright Zicht Online <http://zicht.nl> |
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*/ |
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namespace Zicht\Bundle\FrameworkExtraBundle\Twig\ControlStructures; |
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use Twig_Token; |
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use Twig_NodeInterface; |
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/** |
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* The 'with' tag allows a scope-shift into a defined array. The format is as follows: |
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* |
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* {% with expr [as localName] [, expr2 [as localName2], [....]] {sandboxed|merged} %} |
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* content |
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* {% endwith %} |
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*/ |
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class WithTokenParser extends \Twig_TokenParser |
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{ |
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private $options = array( |
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'merged', |
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'sandboxed', |
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'always' |
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); |
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/** |
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* Gets the tag name associated with this token parser. |
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* |
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* @return string |
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*/ |
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public function getTag() |
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{ |
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return 'with'; |
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} |
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/** |
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* Parses a token and returns a node. |
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* |
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* @param Twig_Token $token A Twig_Token instance |
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* @return Twig_NodeInterface A Twig_NodeInterface instance |
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*/ |
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public function parse(Twig_Token $token) |
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{ |
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$options = array(); |
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$stream = $this->parser->getStream(); |
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$start = $stream->getCurrent(); |
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$arguments = array(); |
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do { |
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$value = $this->parser->getExpressionParser()->parseExpression(); |
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if ($stream->test('as')) { |
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$stream->expect('as'); |
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$name = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); |
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} else { |
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$name = null; |
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} |
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$arguments[] = array('name' => $name, 'value' => $value); |
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$end = !$stream->test(Twig_Token::PUNCTUATION_TYPE, ','); |
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if (!$end) { |
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$stream->expect(Twig_Token::PUNCTUATION_TYPE, ','); |
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} |
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} while (!$end); |
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while ($stream->test($this->options)) { |
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$options[] = $stream->expect($this->options)->getValue(); |
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} |
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$stream->expect(Twig_Token::BLOCK_END_TYPE); |
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$body = $this->parser->subparse(array($this, 'decideWithEnd'), true); |
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$stream->expect(Twig_Token::BLOCK_END_TYPE); |
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return new WithNode($arguments, $body, $options, $start->getLine(), $start->getValue()); |
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} |
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/** |
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* Checks for the end of the control structure. |
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* |
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* @param Twig_Token $token |
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* @return bool |
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*/ |
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public function decideWithEnd($token) |
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{ |
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return $token->test('endwith'); |
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} |
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} |
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zicht /
framework-extra-bundle
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