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<?php
/**
* Smarty Internal Plugin Resource Extends
*
* @package Smarty
* @subpackage TemplateResources
* @author Uwe Tews
* @author Rodney Rehm
*/
/**
* Smarty Internal Plugin Resource Extends
* Implements the file system as resource for Smarty which {extend}s a chain of template files templates
*
* @package Smarty
* @subpackage TemplateResources
*/
class Smarty_Internal_Resource_Extends extends Smarty_Resource
{
/**
* mbstring.overload flag
*
* @var int
*/
public $mbstring_overload = 0;
/**
* populate Source Object with meta data from Resource
*
* @param Smarty_Template_Source $source source object
* @param Smarty_Internal_Template $_template template object
*
* @throws SmartyException
*/
public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
{
$uid = '';
$sources = array();
$components = explode('|', $source->name);
$exists = true;
foreach ($components as $component) {
/* @var \Smarty_Template_Source $_s */
$_s = Smarty_Template_Source::load(null, $source->smarty, $component);
if ($_s->type == 'php') {
throw new SmartyException("Resource type {$_s->type} cannot be used with the extends resource type");
}
$sources[ $_s->uid ] = $_s;
$uid .= $_s->filepath;
if ($_template) {
$exists = $exists && $_s->exists;
}
}
$source->components = $sources;
$source->filepath = $_s->filepath;
$source->uid = sha1($uid . $source->smarty->_joined_template_dir);
$source->exists = $exists;
if ($_template) {
$source->timestamp = $_s->timestamp;
}
}
/**
* populate Source Object with timestamp and exists from Resource
*
* @param Smarty_Template_Source $source source object
*/
public function populateTimestamp(Smarty_Template_Source $source)
{
$source->exists = true;
/* @var \Smarty_Template_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 Smarty_Template_Source $source source object
*
* @return string template source
* @throws SmartyException if source cannot be loaded
*/
public function getContent(Smarty_Template_Source $source)
{
if (!$source->exists) {
throw new SmartyException("Unable to read template {$source->type} '{$source->name}'");
}
$_components = array_reverse($source->components);
$_content = '';
/* @var \Smarty_Template_Source $_s */
foreach ($_components as $_s) {
// read content
$_content .= $_s->getContent();
}
return $_content;
}
/**
* Determine basename for compiled filename
*
* @param Smarty_Template_Source $source source object
*
* @return string resource's basename
*/
public function getBasename(Smarty_Template_Source $source)
{
return str_replace(':', '.', basename($source->filepath));
}
/*
* Disable timestamp checks for extends resource.
* The individual source components will be checked.
*
* @return bool
*/
public function checkTimestamps()
{
return false;
}
}
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