/**
* Get Placeholder Block
*
* @return Mage_Core_Block_Abstract
*/
protected function _getPlaceHolderBlock()
{
if (null === $this->_placeholderBlock) {
$blockName = $this->_placeholder->getAttribute('block');
$this->_placeholderBlock = new $blockName();
$this->_placeholderBlock->setTemplate($this->_placeholder->getAttribute('template'));
$this->_placeholderBlock->setLayout(Mage::app()->getLayout());
$this->_placeholderBlock->setSkipRenderTag(true);
}
return $this->_placeholderBlock;
}
/**
* Retrieve placeholder replacer
*
* @param array $matches Matches by preg_replace_callback
* @return string
*/
protected function _getPlaceholderReplacer($matches)
{
return $this->_placeholder->getReplacer();
}
/**
* Process Containers
*
* @param $content
* @return array
*/
protected function _processContainers(&$content)
{
$placeholders = array();
preg_match_all(Ves_Optimize_Model_Container_Placeholder::HTML_NAME_PATTERN, $content, $placeholders, PREG_PATTERN_ORDER);
$placeholders = array_unique($placeholders[1]);
$containers = array();
foreach ($placeholders as $definition) {
$placeholder = new Ves_Optimize_Model_Container_Placeholder($definition);
$container = $placeholder->getContainerClass();
if (!$container) {
continue;
}
$container = new $container($placeholder);
$container->setProcessor($this);
if (!$container->applyWithoutApp($content)) {
$containers[] = $container;
} else {
preg_match($placeholder->getPattern(), $content, $matches);
if (array_key_exists(1, $matches)) {
$containers = array_merge($this->_processContainers($matches[1]), $containers);
$content = preg_replace($placeholder->getPattern(), str_replace('$', '\\$', $matches[1]), $content);
}
}
}
return $containers;
}
