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<?php
namespace Smarty\Resource;
use Smarty\Exception;
use Smarty\Template;
use Smarty\Template\Source;
/**
* Smarty Internal Plugin Resource Extends
* Implements the file system as resource for Smarty which {extend}s a chain of template files templates
* @author Uwe Tews
* @author Rodney Rehm
*/
class ExtendsPlugin extends BasePlugin
{
/**
* populate Source Object with metadata from Resource
*
* @param Source $source source object
* @param Template|null $_template template object
*
* @throws Exception
*/
public function populate(Source $source, ?Template $_template = null)
{
$uid = '';
$sources = array();
$components = explode('|', $source->name);
$smarty = $source->getSmarty();
$exists = true;
foreach ($components as $component) {
$_s = Source::load(null, $smarty, $component);
$sources[ $_s->uid ] = $_s;
$uid .= $_s->uid;
if ($_template) {
$exists = $exists && $_s->exists;
}
}
$source->components = $sources;
$source->uid = sha1($uid . $source->getSmarty()->_joined_template_dir);
$source->exists = $exists;
if ($_template) {
$source->timestamp = $_s->timestamp;
}
}
/**
* populate Source Object with timestamp and exists from Resource
*
* @param Source $source source object
*/
public function populateTimestamp(Source $source)
{
$source->exists = true;
/* @var Source $_s */
foreach ($source->components as $_s) {
$source->exists = $source->exists && $_s->exists;
}
$source->timestamp = $source->exists ? $_s->getTimeStamp() : false;
}
/**
* Load template's source from files into current template object
*
* @param Source $source source object
*
* @return string template source
* @throws \Smarty\Exception if source cannot be loaded
*/
public function getContent(Source $source)
{
if (!$source->exists) {
throw new \Smarty\Exception("Unable to load '{$source->type}:{$source->name}'");
}
$_components = array_reverse($source->components);
$_content = '';
/* @var Source $_s */
foreach ($_components as $_s) {
// read content
$_content .= $_s->getContent();
}
return $_content;
}
/**
* Determine basename for compiled filename
*
* @param Source $source source object
*
* @return string resource's basename
*/
public function getBasename(Source $source)
{
$search = array(':');
if (\Smarty\Smarty::$_IS_WINDOWS) {
$search = array(':', '|');
}
return str_replace($search, '.', basename($source->getResourceName()));
}
/*
* Disable timestamp checks for extends resource.
* The individual source components will be checked.
*
* @return bool
*/
/**
* @return bool
*/
public function checkTimestamps()
{
return false;
}
}
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