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83 lines
2.5 KiB
83 lines
2.5 KiB
<?php
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/*
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* This file is part of Twig.
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*
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* (c) Fabien Potencier
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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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/**
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* Marks a section of a template to be escaped or not.
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*
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* <pre>
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* {% autoescape true %}
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* Everything will be automatically escaped in this block
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* {% endautoescape %}
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*
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* {% autoescape false %}
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* Everything will be outputed as is in this block
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* {% endautoescape %}
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*
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* {% autoescape true js %}
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* Everything will be automatically escaped in this block
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* using the js escaping strategy
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* {% endautoescape %}
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* </pre>
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*
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* @final
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*/
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class Twig_TokenParser_AutoEscape extends Twig_TokenParser
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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 = $this->parser->getStream();
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if ($stream->test(Twig_Token::BLOCK_END_TYPE)) {
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$value = 'html';
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} else {
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$expr = $this->parser->getExpressionParser()->parseExpression();
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if (!$expr instanceof Twig_Node_Expression_Constant) {
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throw new Twig_Error_Syntax('An escaping strategy must be a string or a bool.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
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}
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$value = $expr->getAttribute('value');
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$compat = true === $value || false === $value;
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if (true === $value) {
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$value = 'html';
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}
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if ($compat && $stream->test(Twig_Token::NAME_TYPE)) {
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@trigger_error('Using the autoescape tag with "true" or "false" before the strategy name is deprecated since version 1.21.', E_USER_DEPRECATED);
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if (false === $value) {
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throw new Twig_Error_Syntax('Unexpected escaping strategy as you set autoescaping to false.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
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}
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$value = $stream->next()->getValue();
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}
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}
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$stream->expect(Twig_Token::BLOCK_END_TYPE);
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$body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
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$stream->expect(Twig_Token::BLOCK_END_TYPE);
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return new Twig_Node_AutoEscape($value, $body, $lineno, $this->getTag());
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}
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public function decideBlockEnd(Twig_Token $token)
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{
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return $token->test('endautoescape');
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}
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public function getTag()
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{
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return 'autoescape';
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}
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}
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class_alias('Twig_TokenParser_AutoEscape', 'Twig\TokenParser\AutoEscapeTokenParser', false);
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