<?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) {
$s = Smarty_Resource::source(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 && $_template->smarty->compile_check) {
$exists = $exists && $s->exists;
}
}
$source->components = $sources;
$source->filepath = $s->filepath;
$source->uid = sha1(realpath($uid));
if ($_template && $_template->smarty->compile_check) {
$source->timestamp = $s->timestamp;
$source->exists = $exists;
}
// need the template at getContent()
$source->template = $_template;
}
/**
* populate Source Object with timestamp and exists from Resource
*
* @param Smarty_Template_Source $source source object
*/
public function populateTimestamp(Smarty_Template_Source $source)
{
$source->exists = true;
foreach ($source->components as $s) {
$source->exists = $source->exists && $s->exists;
}
$source->timestamp = $s->timestamp;
}
/**
* 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);
$_content = '';
foreach ($_components as $_component) {
// read content
$_content .= $_component->content;
}
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));
}
}
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