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88 lines
2.7 KiB
88 lines
2.7 KiB
6 years ago
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<?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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* (c) Armin Ronacher
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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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class Twig_Node_Expression_Name extends Twig_Node_Expression
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{
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private $specialVars = array(
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'_self' => '$this->getTemplateName()',
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'_context' => '$context',
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'_charset' => '$this->env->getCharset()',
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);
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public function __construct($name, $lineno)
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{
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parent::__construct(array(), array('name' => $name, 'is_defined_test' => false, 'ignore_strict_check' => false, 'always_defined' => false), $lineno);
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}
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public function compile(Twig_Compiler $compiler)
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{
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$name = $this->getAttribute('name');
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$compiler->addDebugInfo($this);
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if ($this->getAttribute('is_defined_test')) {
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if ($this->isSpecial()) {
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$compiler->repr(true);
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} else {
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$compiler
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->raw('(isset($context[')
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->string($name)
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->raw(']) || array_key_exists(')
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->string($name)
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->raw(', $context))');
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}
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} elseif ($this->isSpecial()) {
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$compiler->raw($this->specialVars[$name]);
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} elseif ($this->getAttribute('always_defined')) {
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$compiler
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->raw('$context[')
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->string($name)
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->raw(']')
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;
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} else {
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if ($this->getAttribute('ignore_strict_check') || !$compiler->getEnvironment()->isStrictVariables()) {
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$compiler
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->raw('($context[')
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->string($name)
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->raw('] ?? null)')
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;
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} else {
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$compiler
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->raw('(isset($context[')
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->string($name)
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->raw(']) || array_key_exists(')
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->string($name)
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->raw(', $context) ? $context[')
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->string($name)
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->raw('] : (function () { throw new Twig_Error_Runtime(\'Variable ')
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->string($name)
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->raw(' does not exist.\', ')
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->repr($this->lineno)
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->raw(', $this->source); })()')
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->raw(')')
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;
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}
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}
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}
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public function isSpecial()
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{
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return isset($this->specialVars[$this->getAttribute('name')]);
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}
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public function isSimple()
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{
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return !$this->isSpecial() && !$this->getAttribute('is_defined_test');
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}
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}
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class_alias('Twig_Node_Expression_Name', 'Twig\Node\Expression\NameExpression', false);
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