mirror of
https://github.com/smarty-php/smarty.git
synced 2025-11-03 22:01:36 +01:00
820 lines
35 KiB
PHP
820 lines
35 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Template
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*
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* This file contains the Smarty template engine
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*
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* @package Smarty
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* @subpackage Templates
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* @author Uwe Tews
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*/
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/**
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* Main class with template data structures and methods
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*/
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class Smarty_Internal_Template extends Smarty_Internal_Data {
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// object cache
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public $compiler_object = null;
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public $cacher_object = null;
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// Smarty parameter
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public $cache_id = null;
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public $compile_id = null;
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public $caching = null;
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public $cache_lifetime = null;
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public $cacher_class = null;
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public $caching_type = null;
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public $force_compile = null;
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public $forceNocache = false;
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// Template resource
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public $template_resource = null;
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public $resource_type = null;
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public $resource_name = null;
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public $resource_object = null;
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private $isExisting = null;
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public $templateUid = '';
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// Template source
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public $template_filepath = null;
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public $template_source = null;
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private $template_timestamp = null;
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// Compiled template
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private $compiled_filepath = null;
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public $compiled_template = null;
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private $compiled_timestamp = null;
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public $mustCompile = null;
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public $suppressHeader = false;
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public $suppressFileDependency = false;
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public $extract_code = false;
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public $extracted_compiled_code = '';
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public $has_nocache_code = false;
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// Rendered content
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public $rendered_content = null;
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// Cache file
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private $cached_filepath = null;
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public $cached_timestamp = null;
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private $isCached = null;
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private $cache_resource_object = null;
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private $cacheFileChecked = false;
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// template variables
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public $tpl_vars = array();
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public $parent = null;
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public $config_vars = array();
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// storage for plugin
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public $plugin_data = array();
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// special properties
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public $properties = array ('file_dependency' => array(),
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'nocache_hash' => '',
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'function' => array());
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// storage for block data
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public $block_data = array();
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// required plugins
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public $required_plugins = array('compiled' => array(), 'nocache' => array());
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/**
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* Create template data object
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*
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* Some of the global Smarty settings copied to template scope
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* It load the required template resources and cacher plugins
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*
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* @param string $template_resource template resource string
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* @param object $_parent back pointer to parent object with variables or null
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* @param mixed $_cache_id cache id or null
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* @param mixed $_compile_id compile id or null
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*/
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public function __construct($template_resource, $smarty, $_parent = null, $_cache_id = null, $_compile_id = null, $_caching = null, $_cache_lifetime = null)
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{
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$this->smarty = &$smarty;
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// Smarty parameter
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$this->cache_id = $_cache_id === null ? $this->smarty->cache_id : $_cache_id;
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$this->compile_id = $_compile_id === null ? $this->smarty->compile_id : $_compile_id;
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$this->force_compile = $this->smarty->force_compile;
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$this->caching = $_caching === null ? $this->smarty->caching : $_caching;
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if ($this->caching === true) $this->caching = SMARTY_CACHING_LIFETIME_CURRENT;
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$this->cache_lifetime = $_cache_lifetime === null ?$this->smarty->cache_lifetime : $_cache_lifetime;
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$this->force_cache = $this->smarty->force_cache;
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$this->security = $this->smarty->security;
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$this->parent = $_parent;
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// dummy local smarty variable
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$this->tpl_vars['smarty'] = new Smarty_Variable;
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// Template resource
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$this->template_resource = $template_resource;
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// parse resource name
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if (!$this->parseResourceName ($template_resource, $this->resource_type, $this->resource_name, $this->resource_object)) {
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throw new Exception ("Unable to parse resource name \"{$template_resource}\"");
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}
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// load cache resource
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if (!$this->resource_object->isEvaluated && ($this->caching == SMARTY_CACHING_LIFETIME_CURRENT || $this->caching == SMARTY_CACHING_LIFETIME_SAVED)) {
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$this->cache_resource_object = $this->smarty->cache->loadResource();
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}
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}
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/**
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* Returns the template filepath
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*
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* The template filepath is determined by the actual resource handler
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*
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* @return string the template filepath
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*/
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public function getTemplateFilepath ()
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{
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return $this->template_filepath === null ?
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$this->template_filepath = $this->resource_object->getTemplateFilepath($this) :
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$this->template_filepath;
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}
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/**
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* Returns the timpestamp of the template source
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*
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* The template timestamp is determined by the actual resource handler
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*
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* @return integer the template timestamp
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*/
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public function getTemplateTimestamp ()
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{
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return $this->template_timestamp === null ?
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$this->template_timestamp = $this->resource_object->getTemplateTimestamp($this) :
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$this->template_timestamp;
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}
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/**
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* Returns the template source code
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*
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* The template source is being read by the actual resource handler
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*
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* @return string the template source
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*/
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public function getTemplateSource ()
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{
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if ($this->template_source === null) {
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if (!$this->resource_object->getTemplateSource($this)) {
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throw new Exception("Unable to read template {$this->resource_type} '{$this->resource_name}'");
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}
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}
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return $this->template_source;
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}
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/**
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* Returns if the template is existing
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*
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* The status is determined by the actual resource handler
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*
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* @return boolean true if the template exists
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*/
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public function isExisting ($error = false)
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{
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if ($this->isExisting === null) {
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$this->isExisting = $this->resource_object->isExisting($this);
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}
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if (!$this->isExisting && $error) {
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throw new Exception("Unable to load template {$this->resource_type} '{$this->resource_name}'");
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}
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return $this->isExisting;
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}
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/**
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* Returns if the current template must be compiled by the Smarty compiler
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*
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* It does compare the timestamps of template source and the compiled templates and checks the force compile configuration
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*
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* @return boolean true if the template must be compiled
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*/
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public function mustCompile ()
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{
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$this->isExisting(true);
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if ($this->mustCompile === null) {
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$this->mustCompile = ($this->resource_object->usesCompiler && ($this->force_compile || $this->resource_object->isEvaluated || $this->getCompiledTimestamp () === false ||
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// ($this->smarty->compile_check && $this->getCompiledTimestamp () !== $this->getTemplateTimestamp ())));
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($this->smarty->compile_check && $this->getCompiledTimestamp () < $this->getTemplateTimestamp ())));
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}
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return $this->mustCompile;
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}
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/**
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* Returns the compiled template filepath
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*
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* @return string the template filepath
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*/
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public function getCompiledFilepath ()
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{
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return $this->compiled_filepath === null ?
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($this->compiled_filepath = !$this->resource_object->isEvaluated ? $this->resource_object->getCompiledFilepath($this) : false) :
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$this->compiled_filepath;
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}
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/**
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* Returns the timpestamp of the compiled template
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*
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* @return integer the template timestamp
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*/
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public function getCompiledTimestamp ()
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{
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return $this->compiled_timestamp === null ?
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($this->compiled_timestamp = (!$this->resource_object->isEvaluated && file_exists($this->getCompiledFilepath())) ? filemtime($this->getCompiledFilepath()) : false) :
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$this->compiled_timestamp;
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}
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/**
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* Returns the compiled template
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*
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* It checks if the template must be compiled or just read from the template resource
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*
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* @return string the compiled template
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*/
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public function getCompiledTemplate ()
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{
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if ($this->compiled_template === null) {
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// see if template needs compiling.
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if ($this->mustCompile()) {
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$this->compileTemplateSource();
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} else {
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if ($this->compiled_template === null) {
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$this->compiled_template = !$this->resource_object->isEvaluated && $this->resource_object->usesCompiler ? file_get_contents($this->getCompiledFilepath()) : false;
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}
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}
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}
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return $this->compiled_template;
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}
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/**
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* Compiles the template
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*
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* If the template is not evaluated the compiled template is saved on disk
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*/
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public function compileTemplateSource ()
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{
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if (!$this->resource_object->isEvaluated) {
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$this->properties['file_dependency'] = array();
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$this->properties['file_dependency'][$this->templateUid] = array($this->getTemplateFilepath(), $this->getTemplateTimestamp());
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}
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_compile($this);
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}
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// compile template
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if (!is_object($this->compiler_object)) {
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// load compiler
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$this->smarty->loadPlugin($this->resource_object->compiler_class);
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$this->compiler_object = new $this->resource_object->compiler_class($this->resource_object->template_lexer_class, $this->resource_object->template_parser_class, $this->smarty);
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}
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// call compiler
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if ($this->compiler_object->compileTemplate($this)) {
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// compiling succeded
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if (!$this->resource_object->isEvaluated) {
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// write compiled template
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Smarty_Internal_Write_File::writeFile($this->getCompiledFilepath(), $this->compiled_template, $this->smarty);
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}
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} else {
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// error compiling template
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throw new Exception("Error compiling template {$this->getTemplateFilepath ()}");
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return false;
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}
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::end_compile($this);
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}
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}
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/**
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* Returns the filepath of the cached template output
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*
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* The filepath is determined by the actual cache resource
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*
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* @return string the cache filepath
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*/
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public function getCachedFilepath ()
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{
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return $this->cached_filepath === null ?
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$this->cached_filepath = ($this->resource_object->isEvaluated || !($this->caching == SMARTY_CACHING_LIFETIME_CURRENT || $this->caching == SMARTY_CACHING_LIFETIME_SAVED)) ? false : $this->cache_resource_object->getCachedFilepath($this) :
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$this->cached_filepath;
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}
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/**
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* Returns the timpestamp of the cached template output
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*
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* The timestamp is determined by the actual cache resource
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*
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* @return integer the template timestamp
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*/
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public function getCachedTimestamp ()
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{
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return $this->cached_timestamp === null ?
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$this->cached_timestamp = ($this->resource_object->isEvaluated || !($this->caching == SMARTY_CACHING_LIFETIME_CURRENT || $this->caching == SMARTY_CACHING_LIFETIME_SAVED)) ? false : $this->cache_resource_object->getCachedTimestamp($this) :
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$this->cached_timestamp;
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}
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/**
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* Returns the cached template output
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*
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* @return string |booelan the template content or false if the file does not exist
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*/
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public function getCachedContent ()
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{
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return $this->rendered_content === null ?
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$this->rendered_content = ($this->resource_object->isEvaluated || !($this->caching == SMARTY_CACHING_LIFETIME_CURRENT || $this->caching == SMARTY_CACHING_LIFETIME_SAVED)) ? false : $this->cache_resource_object->getCachedContents($this) :
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$this->rendered_content;
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}
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/**
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* Writes the cached template output
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*/
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public function writeCachedContent ($content)
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{
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if ($this->resource_object->isEvaluated || !($this->caching == SMARTY_CACHING_LIFETIME_CURRENT || $this->caching == SMARTY_CACHING_LIFETIME_SAVED)) {
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// don't write cache file
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return false;
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}
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$this->properties['cache_lifetime'] = $this->cache_lifetime;
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return $this->cache_resource_object->writeCachedContent($this, $this->createPropertyHeader(true) . $content);
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}
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/**
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* Checks of a valid version redered HTML output is in the cache
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*
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* If the cache is valid the contents is stored in the template object
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*
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* @return boolean true if cache is valid
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*/
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public function isCached ()
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{
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if ($this->isCached === null) {
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$this->isCached = false;
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if (($this->caching == SMARTY_CACHING_LIFETIME_CURRENT || $this->caching == SMARTY_CACHING_LIFETIME_SAVED) && !$this->resource_object->isEvaluated) {
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if (!isset($this->cache_resource_object)) {
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$this->cache_resource_object = $this->smarty->loadCacheResource();
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}
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$cachedTimestamp = $this->getCachedTimestamp();
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if ($cachedTimestamp === false || $this->force_compile || $this->force_cache) {
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return $this->isCached;
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}
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if ($this->caching === SMARTY_CACHING_LIFETIME_SAVED || ($this->caching == SMARTY_CACHING_LIFETIME_CURRENT && (time() <= ($cachedTimestamp + $this->cache_lifetime) || $this->cache_lifetime < 0))) {
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_cache($this);
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}
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$this->rendered_content = $this->cache_resource_object->getCachedContents($this);
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::end_cache($this);
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}
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if ($this->cacheFileChecked) {
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$this->isCached = true;
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return $this->isCached;
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}
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$this->cacheFileChecked = true;
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if ($this->caching === SMARTY_CACHING_LIFETIME_SAVED && $this->properties['cache_lifetime'] > 0 && (time() > ($this->getCachedTimestamp() + $this->properties['cache_lifetime']))) {
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$this->rendered_content = null;
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return $this->isCached;
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}
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if (!empty($this->properties['file_dependency']) && $this->smarty->compile_check) {
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foreach ($this->properties['file_dependency'] as $_file_to_check) {
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$this->getResourceTypeName($_file_to_check[0], $resource_type, $resource_name);
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If ($resource_type == 'file') {
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$mtime = filemtime($_file_to_check[0]);
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} else {
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$resource_handler = $this->loadTemplateResourceHandler($resource_type);
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$mtime = $resource_handler->getTemplateTimestampTypeName($resource_type, $resource_name);
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}
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// If ($mtime > $this->getCachedTimestamp()) {
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If ($mtime > $_file_to_check[1]) {
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$this->rendered_content = null;
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return $this->isCached;
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}
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}
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}
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$this->isCached = true;
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}
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}
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}
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return $this->isCached;
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}
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/**
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* Render the output using the compiled template or the PHP template source
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*
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* The rendering process is accomplished by just including the PHP files.
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* The only exceptions are evaluated templates (string template). Their code has
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* to be evaluated
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*/
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public function renderTemplate ()
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{
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if ($this->resource_object->usesCompiler) {
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if ($this->mustCompile() && $this->compiled_template === null) {
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$this->compileTemplateSource();
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}
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_render($this);
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}
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$_smarty_tpl = $this;
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ob_start();
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if ($this->resource_object->isEvaluated) {
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eval("?>" . $this->compiled_template);
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} else {
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include($this->getCompiledFilepath ());
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// check file dependencies at compiled code
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if ($this->smarty->compile_check) {
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if (!empty($this->properties['file_dependency'])) {
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$this->mustCompile = false;
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foreach ($this->properties['file_dependency'] as $_file_to_check) {
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$this->getResourceTypeName($_file_to_check[0], $resource_type, $resource_name);
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If ($resource_type == 'file') {
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$mtime = filemtime($_file_to_check[0]);
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} else {
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$resource_handler = $this->loadTemplateResourceHandler($resource_type);
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$mtime = $resource_handler->getTemplateTimestampTypeName($resource_type, $resource_name);
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}
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// If ($mtime != $_file_to_check[1]) {
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If ($mtime > $_file_to_check[1]) {
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$this->mustCompile = true;
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break;
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}
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}
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if ($this->mustCompile) {
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// recompile and render again
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ob_get_clean();
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$this->compileTemplateSource();
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ob_start();
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include($this->getCompiledFilepath ());
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}
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}
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}
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}
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} else {
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if (is_callable(array($this->resource_object, 'renderUncompiled'))) {
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_render($this);
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}
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ob_start();
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$this->resource_object->renderUncompiled($this);
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} else {
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throw new Exception("Resource '$this->resource_type' must have 'renderUncompiled' methode");
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}
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}
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$this->rendered_content = ob_get_clean();
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if (!$this->resource_object->isEvaluated && empty($this->properties['file_dependency'][$this->templateUid])) {
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$this->properties['file_dependency'][$this->templateUid] = array($this->getTemplateFilepath(), $this->getTemplateTimestamp());
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}
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if ($this->parent instanceof Smarty_Template or $this->parent instanceof Smarty_Internal_Template) {
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$this->parent->properties['file_dependency'] = array_merge($this->parent->properties['file_dependency'], $this->properties['file_dependency']);
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foreach($this->required_plugins as $code => $tmp1) {
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foreach($tmp1 as $name => $tmp) {
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foreach($tmp as $type => $data) {
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$this->parent->required_plugins[$code][$name][$type] = $data;
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}
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}
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}
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}
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::end_render($this);
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}
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// write to cache when nessecary
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if (!$this->resource_object->isEvaluated && ($this->caching == SMARTY_CACHING_LIFETIME_SAVED || $this->caching == SMARTY_CACHING_LIFETIME_CURRENT)) {
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_cache($this);
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}
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$this->properties['has_nocache_code'] = false;
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// get text between non-cached items
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$cache_split = preg_split("!/\*%%SmartyNocache:{$this->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$this->properties['nocache_hash']}%%\*/!s", $this->rendered_content);
|
|
// get non-cached items
|
|
preg_match_all("!/\*%%SmartyNocache:{$this->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$this->properties['nocache_hash']}%%\*/!s", $this->rendered_content, $cache_parts);
|
|
$output = '';
|
|
// loop over items, stitch back together
|
|
foreach($cache_split as $curr_idx => $curr_split) {
|
|
// escape PHP tags in template content
|
|
$output .= preg_replace('/(<%|%>|<\?php|<\?|\?>)/', '<?php echo \'$1\'; ?>', $curr_split);
|
|
if (isset($cache_parts[0][$curr_idx])) {
|
|
$this->properties['has_nocache_code'] = true;
|
|
// remove nocache tags from cache output
|
|
$output .= preg_replace("!/\*/?%%SmartyNocache:{$this->properties['nocache_hash']}%%\*/!", '', $cache_parts[0][$curr_idx]);
|
|
}
|
|
}
|
|
// rendering (must be done before writing cache file because of {function} nocache handling)
|
|
$_smarty_tpl = $this;
|
|
ob_start();
|
|
eval("?>" . $output);
|
|
$this->rendered_content = ob_get_clean();
|
|
// write cache file content
|
|
$this->writeCachedContent($output);
|
|
if ($this->smarty->debugging) {
|
|
Smarty_Internal_Debug::end_cache($this);
|
|
}
|
|
} else {
|
|
// var_dump('renderTemplate', $this->has_nocache_code, $this->template_resource, $this->properties['nocache_hash'], $this->parent->properties['nocache_hash'], $this->rendered_content);
|
|
if ($this->has_nocache_code && !empty($this->properties['nocache_hash']) && !empty($this->parent->properties['nocache_hash'])) {
|
|
// replace nocache_hash
|
|
$this->rendered_content = preg_replace("/{$this->properties['nocache_hash']}/", $this->parent->properties['nocache_hash'], $this->rendered_content);
|
|
$this->parent->has_nocache_code = $this->has_nocache_code;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the rendered HTML output
|
|
*
|
|
* If the cache is valid the cached content is used, otherwise
|
|
* the output is rendered from the compiled template or PHP template source
|
|
*
|
|
* @return string rendered HTML output
|
|
*/
|
|
public function getRenderedTemplate ()
|
|
{
|
|
// disable caching for evaluated code
|
|
if ($this->resource_object->isEvaluated) {
|
|
$this->caching = false;
|
|
}
|
|
// checks if template exists
|
|
$this->isExisting(true);
|
|
// read from cache or render
|
|
if ($this->rendered_content === null && !$this->isCached()) {
|
|
// render template (not loaded and not in cache)
|
|
$this->renderTemplate();
|
|
}
|
|
$this->updateParentVariables();
|
|
$this->isCached = null;
|
|
return $this->rendered_content;
|
|
}
|
|
|
|
/**
|
|
* Parse a template resource in its name and type
|
|
* Load required resource handler
|
|
*
|
|
* @param string $template_resource template resource specification
|
|
* @param string $resource_type return resource type
|
|
* @param string $resource_name return resource name
|
|
* @param object $resource_handler return resource handler object
|
|
*/
|
|
public function parseResourceName($template_resource, &$resource_type, &$resource_name, &$resource_handler)
|
|
{
|
|
if (empty($template_resource))
|
|
return false;
|
|
$this->getResourceTypeName($template_resource, $resource_type, $resource_name);
|
|
$resource_handler = $this->loadTemplateResourceHandler($resource_type);
|
|
// cache template object under a unique ID
|
|
// do not cache string resources
|
|
// ***** if ($resource_type != 'string' && $this->smarty->caching) {
|
|
if ($resource_type != 'string') {
|
|
$this->smarty->template_objects[crc32($this->template_resource . $this->cache_id . $this->compile_id)] = $this;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* get system filepath to template
|
|
*/
|
|
public function buildTemplateFilepath ($file = null)
|
|
{
|
|
if ($file == null) {
|
|
$file = $this->resource_name;
|
|
}
|
|
foreach((array)$this->smarty->template_dir as $_template_dir) {
|
|
if (strpos('/\\', substr($_template_dir, -1)) === false) {
|
|
$_template_dir .= DS;
|
|
}
|
|
|
|
$_filepath = $_template_dir . $file;
|
|
if (file_exists($_filepath))
|
|
return $_filepath;
|
|
}
|
|
if (file_exists($file)) return $file;
|
|
// no tpl file found
|
|
if (!empty($this->smarty->default_template_handler_func)) {
|
|
if (!is_callable($this->smarty->default_template_handler_func)) {
|
|
throw new Exception("Default template handler not callable");
|
|
} else {
|
|
$_return = call_user_func_array($this->smarty->default_template_handler_func,
|
|
array($this->resource_type, $this->resource_name, &$this->template_source, &$this->template_timestamp, $this));
|
|
if (is_string($_return)) {
|
|
return $_return;
|
|
} elseif ($_return === true) {
|
|
return $file;
|
|
}
|
|
}
|
|
}
|
|
// throw new Exception("Unable to load template \"{$file}\"");
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Update Smarty variables in other scopes
|
|
*/
|
|
public function updateParentVariables ($scope = SMARTY_LOCAL_SCOPE)
|
|
{
|
|
$has_root = false;
|
|
foreach ($this->tpl_vars as $_key => $_variable) {
|
|
$_variable_scope = $this->tpl_vars[$_key]->scope;
|
|
if ($scope == SMARTY_LOCAL_SCOPE && $_variable_scope == SMARTY_LOCAL_SCOPE) {
|
|
continue;
|
|
}
|
|
if (isset($this->parent) && ($scope == SMARTY_PARENT_SCOPE || $_variable_scope == SMARTY_PARENT_SCOPE)) {
|
|
if (isset($this->parent->tpl_vars[$_key])) {
|
|
// variable is already defined in parent, copy value
|
|
$this->parent->tpl_vars[$_key]->value = $this->tpl_vars[$_key]->value;
|
|
} else {
|
|
// create variable in parent
|
|
$this->parent->tpl_vars[$_key] = clone $_variable;
|
|
$this->parent->tpl_vars[$_key]->scope = SMARTY_LOCAL_SCOPE;
|
|
}
|
|
}
|
|
if ($scope == SMARTY_ROOT_SCOPE || $_variable_scope == SMARTY_ROOT_SCOPE) {
|
|
if ($this->parent == null) {
|
|
continue;
|
|
}
|
|
if (!$has_root) {
|
|
// find root
|
|
$root_ptr = $this;
|
|
while ($root_ptr->parent != null) {
|
|
$root_ptr = $root_ptr->parent;
|
|
$has_root = true;
|
|
}
|
|
}
|
|
if (isset($root_ptr->tpl_vars[$_key])) {
|
|
// variable is already defined in root, copy value
|
|
$root_ptr->tpl_vars[$_key]->value = $this->tpl_vars[$_key]->value;
|
|
} else {
|
|
// create variable in root
|
|
$root_ptr->tpl_vars[$_key] = clone $_variable;
|
|
$root_ptr->tpl_vars[$_key]->scope = SMARTY_LOCAL_SCOPE;
|
|
}
|
|
}
|
|
if ($scope == SMARTY_GLOBAL_SCOPE || $_variable_scope == SMARTY_GLOBAL_SCOPE) {
|
|
if (isset($this->smarty->global_tpl_vars[$_key])) {
|
|
// variable is already defined in root, copy value
|
|
$this->smarty->global_tpl_vars[$_key]->value = $this->tpl_vars[$_key]->value;
|
|
} else {
|
|
// create variable in root
|
|
$this->smarty->global_tpl_vars[$_key] = clone $_variable;
|
|
}
|
|
$this->smarty->global_tpl_vars[$_key]->scope = SMARTY_LOCAL_SCOPE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Split a template resource in its name and type
|
|
*
|
|
* @param string $template_resource template resource specification
|
|
* @param string $resource_type return resource type
|
|
* @param string $resource_name return resource name
|
|
*/
|
|
protected function getResourceTypeName ($template_resource, &$resource_type, &$resource_name)
|
|
{
|
|
if (strpos($template_resource, ':') === false) {
|
|
// no resource given, use default
|
|
$resource_type = $this->smarty->default_resource_type;
|
|
$resource_name = $template_resource;
|
|
} else {
|
|
// get type and name from path
|
|
list($resource_type, $resource_name) = explode(':', $template_resource, 2);
|
|
if (strlen($resource_type) == 1) {
|
|
// 1 char is not resource type, but part of filepath
|
|
$resource_type = 'file';
|
|
$resource_name = $template_resource;
|
|
} else {
|
|
$resource_type = strtolower($resource_type);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Load template resource handler by type
|
|
*
|
|
* @param string $resource_type template resource type
|
|
* @return object resource handler object
|
|
*/
|
|
protected function loadTemplateResourceHandler ($resource_type)
|
|
{
|
|
// try registered resource
|
|
if (isset($this->smarty->_plugins['resource'][$resource_type])) {
|
|
return new Smarty_Internal_Resource_Registered($this->smarty);
|
|
} else {
|
|
// try sysplugins dir
|
|
if (in_array($resource_type, array('file', 'string', 'extends', 'php', 'registered', 'stream'))) {
|
|
$_resource_class = 'Smarty_Internal_Resource_' . $resource_type;
|
|
return new $_resource_class($this->smarty);
|
|
} else {
|
|
// try plugins dir
|
|
$_resource_class = 'Smarty_Resource_' . $resource_type;
|
|
if ($this->smarty->loadPlugin($_resource_class)) {
|
|
if (class_exists($_resource_class, false)) {
|
|
return new $_resource_class($this->smarty);
|
|
} else {
|
|
$this->smarty->register_resource($resource_type,
|
|
array("smarty_resource_{$resource_type}_source",
|
|
"smarty_resource_{$resource_type}_timestamp",
|
|
"smarty_resource_{$resource_type}_secure",
|
|
"smarty_resource_{$resource_type}_trusted"));
|
|
return new Smarty_Internal_Resource_Registered($this->smarty);
|
|
}
|
|
} else {
|
|
// try streams
|
|
$_known_stream = stream_get_wrappers();
|
|
if (in_array($resource_type, $_known_stream)) {
|
|
// is known stream
|
|
if ($this->smarty->security) {
|
|
$this->smarty->security_handler->isTrustedStream($resource_type);
|
|
}
|
|
return new Smarty_Internal_Resource_Stream($this->smarty);
|
|
} else {
|
|
throw new Exception('Unkown resource type \'' . $resource_type . '\'');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create property header
|
|
*/
|
|
public function createPropertyHeader ($cache = false)
|
|
{
|
|
$plugins_string = '';
|
|
// include code for plugins
|
|
if (!$cache) {
|
|
if (!empty($this->required_plugins['compiled'])) {
|
|
$plugins_string = '<?php ';
|
|
foreach($this->required_plugins['compiled'] as $tmp) {
|
|
foreach($tmp as $data) {
|
|
$plugins_string .= "if (!is_callable('{$data['function']}')) include '{$data['file']}';\n";
|
|
}
|
|
}
|
|
$plugins_string .= '?>';
|
|
}
|
|
if (!empty($this->required_plugins['nocache'])) {
|
|
$this->has_nocache_code = true;
|
|
$plugins_string .= "<?php echo '/*%%SmartyNocache:{$this->properties['nocache_hash']}%%*/<?php ";
|
|
foreach($this->required_plugins['nocache'] as $tmp) {
|
|
foreach($tmp as $data) {
|
|
$plugins_string .= "if (!is_callable(\'{$data['function']}\')) include \'{$data['file']}\';\n";
|
|
}
|
|
}
|
|
$plugins_string .= "?>/*/%%SmartyNocache:{$this->properties['nocache_hash']}%%*/';?>\n";
|
|
}
|
|
}
|
|
// build property code
|
|
$this->properties['has_nocache_code'] = $this->has_nocache_code;
|
|
$properties_string = "<?php /*%%SmartyHeaderCode:{$this->properties['nocache_hash']}%%*/" ;
|
|
if ($this->smarty->direct_access_security) {
|
|
$properties_string .= "if(!defined('SMARTY_DIR')) exit('no direct access allowed');\n";
|
|
}
|
|
if ($cache) {
|
|
// remove compiled code of{function} definition
|
|
unset($this->properties['function']);
|
|
if (!empty($this->smarty->template_functions)) {
|
|
// copy code of {function} tags called in nocache mode
|
|
foreach ($this->smarty->template_functions as $name => $function_data) {
|
|
if (isset($function_data['called_nocache'])) {
|
|
unset($function_data['called_nocache'], $this->smarty->template_functions[$name]['called_nocache']);
|
|
$this->properties['function'][$name] = $function_data;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$properties_string .= "\$_smarty_tpl->decodeProperties(" . var_export($this->properties, true) . "); /*/%%SmartyHeaderCode%%*/?>\n";
|
|
return $properties_string . $plugins_string;
|
|
}
|
|
|
|
/**
|
|
* Decode saved properties from compiled template and cache files
|
|
*/
|
|
public function decodeProperties ($properties)
|
|
{
|
|
$this->has_nocache_code = $properties['has_nocache_code'];
|
|
$this->properties['nocache_hash'] = $properties['nocache_hash'];
|
|
if (isset($properties['cache_lifetime'])) {
|
|
$this->properties['cache_lifetime'] = $properties['cache_lifetime'];
|
|
}
|
|
if (isset($properties['file_dependency'])) {
|
|
$this->properties['file_dependency'] = array_merge($this->properties['file_dependency'], $properties['file_dependency']);
|
|
}
|
|
if (!empty($properties['function'])) {
|
|
$this->properties['function'] = array_merge($this->properties['function'], $properties['function']);
|
|
$this->smarty->template_functions = array_merge($this->smarty->template_functions, $properties['function']);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* wrapper for display
|
|
*/
|
|
public function display ()
|
|
{
|
|
return $this->smarty->display($this);
|
|
}
|
|
|
|
/**
|
|
* wrapper for fetch
|
|
*/
|
|
public function fetch ()
|
|
{
|
|
return $this->smarty->fetch($this);
|
|
}
|
|
/**
|
|
* wrapper for is_cached
|
|
*/
|
|
public function is_cached ()
|
|
{
|
|
return $this->iscached($this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* wrapper for template class
|
|
*/
|
|
class Smarty_Template extends Smarty_Internal_Template {
|
|
}
|
|
|
|
?>
|