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https://github.com/vichan-devel/vichan.git
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87 lines
2.3 KiB
PHP
87 lines
2.3 KiB
PHP
<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2009 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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class Twig_Node_Expression_Array extends Twig_Node_Expression
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{
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protected $index;
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public function __construct(array $elements, $lineno)
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{
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parent::__construct($elements, array(), $lineno);
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$this->index = -1;
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foreach ($this->getKeyValuePairs() as $pair) {
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if ($pair['key'] instanceof Twig_Node_Expression_Constant && ctype_digit((string) $pair['key']->getAttribute('value')) && $pair['key']->getAttribute('value') > $this->index) {
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$this->index = $pair['key']->getAttribute('value');
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}
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}
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}
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public function getKeyValuePairs()
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{
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$pairs = array();
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foreach (array_chunk($this->nodes, 2) as $pair) {
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$pairs[] = array(
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'key' => $pair[0],
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'value' => $pair[1],
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);
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}
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return $pairs;
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}
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public function hasElement(Twig_Node_Expression $key)
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{
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foreach ($this->getKeyValuePairs() as $pair) {
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// we compare the string representation of the keys
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// to avoid comparing the line numbers which are not relevant here.
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if ((string) $key == (string) $pair['key']) {
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return true;
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}
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}
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return false;
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}
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public function addElement(Twig_Node_Expression $value, Twig_Node_Expression $key = null)
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{
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if (null === $key) {
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$key = new Twig_Node_Expression_Constant(++$this->index, $value->getLine());
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}
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array_push($this->nodes, $key, $value);
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}
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/**
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* Compiles the node to PHP.
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*
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* @param Twig_Compiler A Twig_Compiler instance
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*/
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public function compile(Twig_Compiler $compiler)
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{
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$compiler->raw('array(');
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$first = true;
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foreach ($this->getKeyValuePairs() as $pair) {
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if (!$first) {
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$compiler->raw(', ');
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}
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$first = false;
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$compiler
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->subcompile($pair['key'])
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->raw(' => ')
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->subcompile($pair['value'])
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;
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}
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$compiler->raw(')');
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}
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}
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