78 lines
2.2 KiB
PHP
78 lines
2.2 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bridge\Twig\TokenParser;
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use Symfony\Bridge\Twig\Node\StopwatchNode;
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/**
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* Token Parser for the stopwatch tag.
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*
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* @author Wouter J <wouter@wouterj.nl>
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*/
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class StopwatchTokenParser extends \Twig_TokenParser
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{
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protected $stopwatchIsAvailable;
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protected $_events = array();
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public function __construct($stopwatchIsAvailable)
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{
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$this->stopwatchIsAvailable = $stopwatchIsAvailable;
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}
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public function parse(\Twig_Token $token)
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{
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$lineno = $token->getLine();
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$stream = $this->parser->getStream();
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// {% stopwatch bar %}
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if ($stream->test(\Twig_Token::NAME_TYPE)) {
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$name = $stream->expect(\Twig_Token::NAME_TYPE)->getValue();
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} else {
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$name = $stream->expect(\Twig_Token::STRING_TYPE)->getValue();
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}
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if (in_array($name, $this->_events)) {
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throw new \Twig_Error_Syntax(sprintf("The stopwatch event '%s' has already been defined", $name));
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}
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$this->_events[] = $name;
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$stream->expect(\Twig_Token::BLOCK_END_TYPE);
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// {% endstopwatch %} or {% endstopwatch bar %}
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$body = $this->parser->subparse(array($this, 'decideStopwatchEnd'), true);
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if ($stream->test(\Twig_Token::NAME_TYPE) || $stream->test(\Twig_Token::STRING_TYPE)) {
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$value = $stream->next()->getValue();
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if ($name != $value) {
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throw new \Twig_Error_Syntax(sprintf("Expected endstopwatch for event '%s' (but %s given)", $name, $value));
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}
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}
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$stream->expect(\Twig_Token::BLOCK_END_TYPE);
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if ($this->stopwatchIsAvailable) {
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return new StopwatchNode($name, $body, $lineno, $this->getTag());
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}
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return $body;
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}
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public function decideStopwatchEnd(\Twig_Token $token)
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{
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return $token->test('endstopwatch');
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}
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public function getTag()
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{
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return 'stopwatch';
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}
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}
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