<?php

namespace Barryvdh\Debugbar\Twig\TokenParser;

use Barryvdh\Debugbar\Twig\Node\StopwatchNode;

/**
 * Token Parser for the stopwatch tag. Based on Symfony\Bridge\Twig\TokenParser\StopwatchTokenParser;
 *
 * @author Wouter J <wouter@wouterj.nl>
 */
class StopwatchTokenParser extends TokenParser
{
    protected $debugbarAvailable;

    public function __construct($debugbarAvailable)
    {
        $this->debugbarAvailable = $debugbarAvailable;
    }

    /**
     * @param \Twig_Token|\Twig\Token $token
     */
    public function parse($token)
    {
        $lineno = $token->getLine();
        $stream = $this->parser->getStream();

        // {% stopwatch 'bar' %}
        $name = $this->parser->getExpressionParser()->parseExpression();

        // Maintain compatibility with Twig 2 and 3.
        if (class_exists("\Twig_Token")) {
            $blockEndType = \Twig_Token::BLOCK_END_TYPE;
        } else {
            $blockEndType = \Twig\Token::BLOCK_END_TYPE;
        }

        $stream->expect($blockEndType);

        // {% endstopwatch %}
        $body = $this->parser->subparse([$this, 'decideStopwatchEnd'], true);
        $stream->expect($blockEndType);

        // Maintain compatibility with Twig 2 and 3.
        if (class_exists("\Twig_Node_Expression_AssignName")) {
            $assignNameExpression = new \Twig_Node_Expression_AssignName($this->parser->getVarName(), $token->getLine());
        } else {
            $assignNameExpression = new \Twig\Node\Expression\AssignNameExpression($this->parser->getVarName(), $token->getLine());
        }

        if ($this->debugbarAvailable) {
            return new StopwatchNode(
                $name,
                $body,
                $assignNameExpression,
                $lineno,
                $this->getTag()
            );
        }

        return $body;
    }

    public function getTag()
    {
        return 'stopwatch';
    }

    /**
     * @param \Twig_Token|\Twig\Token $token
     */
    public function decideStopwatchEnd($token)
    {
        return $token->test('endstopwatch');
    }
}

• [F] StopwatchTokenParser.php
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• [F] TokenParser.php
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