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