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73 lines
2.0 KiB
73 lines
2.0 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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* Defines a variable.
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*
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* <pre>
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* {% set foo = 'foo' %}
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*
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* {% set foo = [1, 2] %}
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*
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* {% set foo = {'foo': 'bar'} %}
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*
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* {% set foo = 'foo' ~ 'bar' %}
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*
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* {% set foo, bar = 'foo', 'bar' %}
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*
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* {% set foo %}Some content{% endset %}
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* </pre>
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*/
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final class Twig_TokenParser_Set 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 = $this->parser->getStream();
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$names = $this->parser->getExpressionParser()->parseAssignmentExpression();
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$capture = false;
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if ($stream->nextIf(/* Twig_Token::OPERATOR_TYPE */ 8, '=')) {
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$values = $this->parser->getExpressionParser()->parseMultitargetExpression();
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$stream->expect(/* Twig_Token::BLOCK_END_TYPE */ 3);
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if (count($names) !== count($values)) {
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throw new Twig_Error_Syntax('When using set, you must have the same number of variables and assignments.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
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}
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} else {
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$capture = true;
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if (count($names) > 1) {
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throw new Twig_Error_Syntax('When using set with a block, you cannot have a multi-target.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
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}
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$stream->expect(/* Twig_Token::BLOCK_END_TYPE */ 3);
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$values = $this->parser->subparse([$this, 'decideBlockEnd'], true);
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$stream->expect(/* Twig_Token::BLOCK_END_TYPE */ 3);
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}
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return new Twig_Node_Set($capture, $names, $values, $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('endset');
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}
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public function getTag()
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{
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return 'set';
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}
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}
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class_alias('Twig_TokenParser_Set', 'Twig\TokenParser\SetTokenParser', false);
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