mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-11-24 07:30:10 +01:00
113 lines
4.3 KiB
PHP
113 lines
4.3 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of Twig.
|
|
*
|
|
* (c) 2009 Fabien Potencier
|
|
* (c) 2009 Armin Ronacher
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
/**
|
|
* Represents a for node.
|
|
*
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
*/
|
|
class Twig_Node_For extends Twig_Node
|
|
{
|
|
protected $loop;
|
|
|
|
public function __construct(Twig_Node_Expression_AssignName $keyTarget, Twig_Node_Expression_AssignName $valueTarget, Twig_Node_Expression $seq, Twig_Node_Expression $ifexpr = null, Twig_NodeInterface $body, Twig_NodeInterface $else = null, $lineno, $tag = null)
|
|
{
|
|
$body = new Twig_Node(array($body, $this->loop = new Twig_Node_ForLoop($lineno, $tag)));
|
|
|
|
if (null !== $ifexpr) {
|
|
$body = new Twig_Node_If(new Twig_Node(array($ifexpr, $body)), null, $lineno, $tag);
|
|
}
|
|
|
|
parent::__construct(array('key_target' => $keyTarget, 'value_target' => $valueTarget, 'seq' => $seq, 'body' => $body, 'else' => $else), array('with_loop' => true, 'ifexpr' => null !== $ifexpr), $lineno, $tag);
|
|
}
|
|
|
|
/**
|
|
* Compiles the node to PHP.
|
|
*
|
|
* @param Twig_Compiler A Twig_Compiler instance
|
|
*/
|
|
public function compile(Twig_Compiler $compiler)
|
|
{
|
|
$compiler
|
|
->addDebugInfo($this)
|
|
// the (array) cast bypasses a PHP 5.2.6 bug
|
|
->write("\$context['_parent'] = (array) \$context;\n")
|
|
->write("\$context['_seq'] = twig_ensure_traversable(")
|
|
->subcompile($this->getNode('seq'))
|
|
->raw(");\n")
|
|
;
|
|
|
|
if (null !== $this->getNode('else')) {
|
|
$compiler->write("\$context['_iterated'] = false;\n");
|
|
}
|
|
|
|
if ($this->getAttribute('with_loop')) {
|
|
$compiler
|
|
->write("\$context['loop'] = array(\n")
|
|
->write(" 'parent' => \$context['_parent'],\n")
|
|
->write(" 'index0' => 0,\n")
|
|
->write(" 'index' => 1,\n")
|
|
->write(" 'first' => true,\n")
|
|
->write(");\n")
|
|
;
|
|
|
|
if (!$this->getAttribute('ifexpr')) {
|
|
$compiler
|
|
->write("if (is_array(\$context['_seq']) || (is_object(\$context['_seq']) && \$context['_seq'] instanceof Countable)) {\n")
|
|
->indent()
|
|
->write("\$length = count(\$context['_seq']);\n")
|
|
->write("\$context['loop']['revindex0'] = \$length - 1;\n")
|
|
->write("\$context['loop']['revindex'] = \$length;\n")
|
|
->write("\$context['loop']['length'] = \$length;\n")
|
|
->write("\$context['loop']['last'] = 1 === \$length;\n")
|
|
->outdent()
|
|
->write("}\n")
|
|
;
|
|
}
|
|
}
|
|
|
|
$this->loop->setAttribute('else', null !== $this->getNode('else'));
|
|
$this->loop->setAttribute('with_loop', $this->getAttribute('with_loop'));
|
|
$this->loop->setAttribute('ifexpr', $this->getAttribute('ifexpr'));
|
|
|
|
$compiler
|
|
->write("foreach (\$context['_seq'] as ")
|
|
->subcompile($this->getNode('key_target'))
|
|
->raw(" => ")
|
|
->subcompile($this->getNode('value_target'))
|
|
->raw(") {\n")
|
|
->indent()
|
|
->subcompile($this->getNode('body'))
|
|
->outdent()
|
|
->write("}\n")
|
|
;
|
|
|
|
if (null !== $this->getNode('else')) {
|
|
$compiler
|
|
->write("if (!\$context['_iterated']) {\n")
|
|
->indent()
|
|
->subcompile($this->getNode('else'))
|
|
->outdent()
|
|
->write("}\n")
|
|
;
|
|
}
|
|
|
|
$compiler->write("\$_parent = \$context['_parent'];\n");
|
|
|
|
// remove some "private" loop variables (needed for nested loops)
|
|
$compiler->write('unset($context[\'_seq\'], $context[\'_iterated\'], $context[\''.$this->getNode('key_target')->getAttribute('name').'\'], $context[\''.$this->getNode('value_target')->getAttribute('name').'\'], $context[\'_parent\'], $context[\'loop\']);'."\n");
|
|
|
|
// keep the values set in the inner context for variables defined in the outer context
|
|
$compiler->write("\$context = array_intersect_key(\$context, \$_parent) + \$_parent;\n");
|
|
}
|
|
}
|