<?php
/*
* This file is part of twig-cache-extension.
*
* (c) Alexander <iam.asm89@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Asm89\Twig\CacheExtension\Node;
/**
* Cache twig node.
*
* @author Alexander <iam.asm89@gmail.com>
*/
class CacheNode extends \Twig_Node
{
private static $cacheCount = 1;
/**
* @param \Twig_Node_Expression $annotation
* @param \Twig_Node_Expression $keyInfo
* @param \Twig_NodeInterface $body
* @param integer $lineno
* @param string $tag
*/
public function __construct(\Twig_Node_Expression $annotation, \Twig_Node_Expression $keyInfo, \Twig_Node $body, $lineno, $tag = null)
{
parent::__construct(array('key_info' => $keyInfo, 'body' => $body, 'annotation' => $annotation), array(), $lineno, $tag);
}
/**
* {@inheritDoc}
*/
public function compile(\Twig_Compiler $compiler)
{
$i = self::$cacheCount++;
if (version_compare(\Twig_Environment::VERSION, '1.26.0', '>=')) {
$extension = 'Asm89\Twig\CacheExtension\Extension';
} else {
$extension = 'asm89_cache';
}
$compiler
->addDebugInfo($this)
->write("\$asm89CacheStrategy".$i." = \$this->env->getExtension('{$extension}')->getCacheStrategy();\n")
->write("\$asm89Key".$i." = \$asm89CacheStrategy".$i."->generateKey(")
->subcompile($this->getNode('annotation'))
->raw(", ")
->subcompile($this->getNode('key_info'))
->write(");\n")
->write("\$asm89CacheBody".$i." = \$asm89CacheStrategy".$i."->fetchBlock(\$asm89Key".$i.");\n")
->write("if (\$asm89CacheBody".$i." === false) {\n")
->indent()
->write("ob_start();\n")
->indent()
->subcompile($this->getNode('body'))
->outdent()
->write("\n")
->write("\$asm89CacheBody".$i." = ob_get_clean();\n")
->write("\$asm89CacheStrategy".$i."->saveBlock(\$asm89Key".$i.", \$asm89CacheBody".$i.");\n")
->outdent()
->write("}\n")
->write("echo \$asm89CacheBody".$i.";\n")
;
}
}