86 lines
2.2 KiB
PHP
86 lines
2.2 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of Twig.
|
|
*
|
|
* (c) Fabien Potencier
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Twig\Node\Expression;
|
|
|
|
use Twig\Compiler;
|
|
|
|
class ArrayExpression extends AbstractExpression
|
|
{
|
|
private $index;
|
|
|
|
public function __construct(array $elements, int $lineno)
|
|
{
|
|
parent::__construct($elements, [], $lineno);
|
|
|
|
$this->index = -1;
|
|
foreach ($this->getKeyValuePairs() as $pair) {
|
|
if ($pair['key'] instanceof ConstantExpression && ctype_digit((string) $pair['key']->getAttribute('value')) && $pair['key']->getAttribute('value') > $this->index) {
|
|
$this->index = $pair['key']->getAttribute('value');
|
|
}
|
|
}
|
|
}
|
|
|
|
public function getKeyValuePairs(): array
|
|
{
|
|
$pairs = [];
|
|
foreach (array_chunk($this->nodes, 2) as $pair) {
|
|
$pairs[] = [
|
|
'key' => $pair[0],
|
|
'value' => $pair[1],
|
|
];
|
|
}
|
|
|
|
return $pairs;
|
|
}
|
|
|
|
public function hasElement(AbstractExpression $key): bool
|
|
{
|
|
foreach ($this->getKeyValuePairs() as $pair) {
|
|
// we compare the string representation of the keys
|
|
// to avoid comparing the line numbers which are not relevant here.
|
|
if ((string) $key === (string) $pair['key']) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
public function addElement(AbstractExpression $value, AbstractExpression $key = null): void
|
|
{
|
|
if (null === $key) {
|
|
$key = new ConstantExpression(++$this->index, $value->getTemplateLine());
|
|
}
|
|
|
|
array_push($this->nodes, $key, $value);
|
|
}
|
|
|
|
public function compile(Compiler $compiler): void
|
|
{
|
|
$compiler->raw('[');
|
|
$first = true;
|
|
foreach ($this->getKeyValuePairs() as $pair) {
|
|
if (!$first) {
|
|
$compiler->raw(', ');
|
|
}
|
|
$first = false;
|
|
|
|
$compiler
|
|
->subcompile($pair['key'])
|
|
->raw(' => ')
|
|
->subcompile($pair['value'])
|
|
;
|
|
}
|
|
$compiler->raw(']');
|
|
}
|
|
}
|