119 lines
2.7 KiB
PHP
119 lines
2.7 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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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namespace Symfony\Component\ExpressionLanguage\Node;
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use Symfony\Component\ExpressionLanguage\Compiler;
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/**
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @internal
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*/
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class ArrayNode extends Node
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{
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protected $index;
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public function __construct()
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{
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$this->index = -1;
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}
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public function addElement(Node $value, Node $key = null)
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{
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if (null === $key) {
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$key = new ConstantNode(++$this->index);
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}
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array_push($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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public function compile(Compiler $compiler)
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{
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$compiler->raw('[');
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$this->compileArguments($compiler);
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$compiler->raw(']');
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}
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public function evaluate($functions, $values)
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{
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$result = [];
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foreach ($this->getKeyValuePairs() as $pair) {
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$result[$pair['key']->evaluate($functions, $values)] = $pair['value']->evaluate($functions, $values);
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}
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return $result;
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}
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public function toArray()
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{
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$value = [];
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foreach ($this->getKeyValuePairs() as $pair) {
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$value[$pair['key']->attributes['value']] = $pair['value'];
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}
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$array = [];
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if ($this->isHash($value)) {
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foreach ($value as $k => $v) {
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$array[] = ', ';
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$array[] = new ConstantNode($k);
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$array[] = ': ';
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$array[] = $v;
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}
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$array[0] = '{';
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$array[] = '}';
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} else {
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foreach ($value as $v) {
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$array[] = ', ';
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$array[] = $v;
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}
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$array[0] = '[';
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$array[] = ']';
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}
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return $array;
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}
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protected function getKeyValuePairs()
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{
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$pairs = [];
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foreach (array_chunk($this->nodes, 2) as $pair) {
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$pairs[] = ['key' => $pair[0], 'value' => $pair[1]];
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}
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return $pairs;
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}
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protected function compileArguments(Compiler $compiler, $withKeys = true)
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{
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$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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if ($withKeys) {
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$compiler
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->compile($pair['key'])
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->raw(' => ')
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;
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}
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$compiler->compile($pair['value']);
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}
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}
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}
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