693 Zeilen
24 KiB
PHP
693 Zeilen
24 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Template
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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 Template
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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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* @package Smarty
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* @subpackage Template
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*
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* @property Smarty_Template_Compiled $compiled
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* @property Smarty_Template_Cached $cached
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* @property Smarty_Internal_TemplateCompilerBase $compiler
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*
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* The following methods will be dynamically loaded by the extension handler when they are called.
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* They are located in a corresponding Smarty_Internal_Method_xxxx class
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*
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* @method bool mustCompile()
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*/
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class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
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{
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/**
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* This object type (Smarty = 1, template = 2, data = 4)
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*
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* @var int
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*/
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public $_objType = 2;
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/**
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* Global smarty instance
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*
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* @var Smarty
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*/
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public $smarty = null;
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/**
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* Source instance
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*
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* @var Smarty_Template_Source|Smarty_Template_Config
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*/
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public $source = null;
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/**
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* Inheritance runtime extension
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*
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* @var Smarty_Internal_Runtime_Inheritance
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*/
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public $inheritance = null;
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/**
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* Template resource
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*
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* @var string
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*/
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public $template_resource = null;
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/**
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* flag if compiled template is invalid and must be (re)compiled
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*
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* @var bool
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*/
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public $mustCompile = null;
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/**
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* Template Id
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*
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* @var null|string
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*/
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public $templateId = null;
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/**
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* Scope in which variables shall be assigned
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*
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* @var int
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*/
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public $scope = 0;
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/**
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* Flag which is set while rending a cache file
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*
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* @var bool
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*/
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public $isRenderingCache = false;
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/**
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* Callbacks called before rendering template
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*
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* @var callback[]
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*/
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public $startRenderCallbacks = array();
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/**
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* Callbacks called after rendering template
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*
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* @var callback[]
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*/
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public $endRenderCallbacks = array();
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/**
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* Template object cache
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*
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* @var Smarty_Internal_Template[]
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*/
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public static $tplObjCache = array();
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/**
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* Template object cache for Smarty::isCached() == true
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*
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* @var Smarty_Internal_Template[]
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*/
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public static $isCacheTplObj = array();
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/**
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* Subtemplate Info Cache
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*
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* @var string[]int[]
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*/
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public static $subTplInfo = array();
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/**
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* Create template data object
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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 caching plugins
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*
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* @param string $template_resource template resource string
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* @param Smarty $smarty Smarty instance
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* @param null|\Smarty_Internal_Template|\Smarty|\Smarty_Internal_Data $_parent back pointer to parent object
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* 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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* @param bool|int|null $_caching use caching?
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* @param int|null $_cache_lifetime cache life-time in seconds
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* @param bool $_isConfig
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*
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* @throws \SmartyException
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*/
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public function __construct($template_resource, Smarty $smarty, Smarty_Internal_Data $_parent = null,
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$_cache_id = null, $_compile_id = null, $_caching = null, $_cache_lifetime = null,
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$_isConfig = false)
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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->caching = $_caching === null ? $this->smarty->caching : $_caching;
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if ($this->caching === true) {
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$this->caching = Smarty::CACHING_LIFETIME_CURRENT;
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}
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$this->cache_lifetime = $_cache_lifetime === null ? $this->smarty->cache_lifetime : $_cache_lifetime;
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$this->parent = $_parent;
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// Template resource
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$this->template_resource = $template_resource;
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$this->source = $_isConfig ? Smarty_Template_Config::load($this) : Smarty_Template_Source::load($this);
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parent::__construct();
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if ($smarty->security_policy && method_exists($smarty->security_policy, 'registerCallBacks')) {
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$smarty->security_policy->registerCallBacks($this);
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}
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}
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/**
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* render template
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*
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* @param bool $no_output_filter if true do not run output filter
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* @param null|bool $display true: display, false: fetch null: sub-template
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*
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* @return string
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* @throws \SmartyException
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*/
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public function render($no_output_filter = true, $display = null)
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{
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if ($this->smarty->debugging) {
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if (!isset($this->smarty->_debug)) {
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$this->smarty->_debug = new Smarty_Internal_Debug();
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}
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$this->smarty->_debug->start_template($this, $display);
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}
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// checks if template exists
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if (!$this->source->exists) {
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throw new SmartyException("Unable to load template '{$this->source->type}:{$this->source->name}'" .
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($this->_isSubTpl() ? " in '{$this->parent->template_resource}'" : ''));
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}
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// disable caching for evaluated code
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if ($this->source->handler->recompiled) {
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$this->caching = false;
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}
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// read from cache or render
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$isCacheTpl =
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$this->caching == Smarty::CACHING_LIFETIME_CURRENT || $this->caching == Smarty::CACHING_LIFETIME_SAVED;
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if ($isCacheTpl) {
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if (!isset($this->cached) || $this->cached->cache_id !== $this->cache_id ||
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$this->cached->compile_id !== $this->compile_id
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) {
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$this->loadCached(true);
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}
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$this->cached->render($this, $no_output_filter);
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} else {
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if (!isset($this->compiled) || $this->compiled->compile_id !== $this->compile_id) {
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$this->loadCompiled(true);
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}
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$this->compiled->render($this);
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}
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// display or fetch
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if ($display) {
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if ($this->caching && $this->smarty->cache_modified_check) {
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$this->smarty->ext->_cacheModify->cacheModifiedCheck($this->cached, $this,
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isset($content) ? $content : ob_get_clean());
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} else {
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if ((!$this->caching || $this->cached->has_nocache_code || $this->source->handler->recompiled) &&
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!$no_output_filter && (isset($this->smarty->autoload_filters[ 'output' ]) ||
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isset($this->smarty->registered_filters[ 'output' ]))
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) {
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echo $this->smarty->ext->_filterHandler->runFilter('output', ob_get_clean(), $this);
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} else {
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echo ob_get_clean();
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}
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}
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if ($this->smarty->debugging) {
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$this->smarty->_debug->end_template($this);
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// debug output
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$this->smarty->_debug->display_debug($this, true);
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}
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return '';
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} else {
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if ($this->smarty->debugging) {
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$this->smarty->_debug->end_template($this);
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if ($this->smarty->debugging === 2 && $display === false) {
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$this->smarty->_debug->display_debug($this, true);
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}
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}
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if ($this->_isSubTpl()) {
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foreach ($this->compiled->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->compiled->required_plugins[ $code ][ $name ][ $type ] = $data;
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}
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}
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}
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}
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if (!$no_output_filter &&
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(!$this->caching || $this->cached->has_nocache_code || $this->source->handler->recompiled) &&
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(isset($this->smarty->autoload_filters[ 'output' ]) ||
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isset($this->smarty->registered_filters[ 'output' ]))
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) {
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return $this->smarty->ext->_filterHandler->runFilter('output', ob_get_clean(), $this);
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}
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// return cache content
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return null;
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}
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}
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/**
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* Runtime function to render sub-template
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*
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* @param string $template template name
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* @param mixed $cache_id cache id
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* @param mixed $compile_id compile id
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* @param integer $caching cache mode
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* @param integer $cache_lifetime life time of cache data
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* @param array $data passed parameter template variables
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* @param int $scope scope in which {include} should execute
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* @param bool $forceTplCache cache template object
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* @param string $uid file dependency uid
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* @param string $content_func function name
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*
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*/
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public function _subTemplateRender($template, $cache_id, $compile_id, $caching, $cache_lifetime, $data, $scope,
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$forceTplCache, $uid = null, $content_func = null)
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{
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$tpl = clone $this;
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$tpl->parent = $this;
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$smarty = &$this->smarty;
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$_templateId = $smarty->_getTemplateId($template, $cache_id, $compile_id, $caching, $tpl);
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// recursive call ?
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if (isset($tpl->templateId) ? $tpl->templateId : $tpl->_getTemplateId() != $_templateId) {
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// already in template cache?
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if (isset(self::$tplObjCache[ $_templateId ])) {
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// copy data from cached object
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$cachedTpl = &self::$tplObjCache[ $_templateId ];
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$tpl->templateId = $cachedTpl->templateId;
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$tpl->template_resource = $cachedTpl->template_resource;
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$tpl->cache_id = $cachedTpl->cache_id;
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$tpl->compile_id = $cachedTpl->compile_id;
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$tpl->source = $cachedTpl->source;
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if (isset($cachedTpl->compiled)) {
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$tpl->compiled = $cachedTpl->compiled;
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} else {
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unset($tpl->compiled);
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}
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if ($caching != 9999 && isset($cachedTpl->cached)) {
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$tpl->cached = $cachedTpl->cached;
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} else {
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unset($tpl->cached);
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}
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} else {
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$tpl->templateId = $_templateId;
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$tpl->template_resource = $template;
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$tpl->cache_id = $cache_id;
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$tpl->compile_id = $compile_id;
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if (isset($uid)) {
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// for inline templates we can get all resource information from file dependency
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list($filepath, $timestamp, $type) = $tpl->compiled->file_dependency[ $uid ];
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$tpl->source = new Smarty_Template_Source($smarty, $filepath, $type, $filepath);
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$tpl->source->filepath = $filepath;
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$tpl->source->timestamp = $timestamp;
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$tpl->source->exists = true;
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$tpl->source->uid = $uid;
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} else {
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$tpl->source = Smarty_Template_Source::load($tpl);
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unset($tpl->compiled);
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}
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if ($caching != 9999) {
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unset($tpl->cached);
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}
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}
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} else {
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// on recursive calls force caching
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$forceTplCache = true;
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}
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$tpl->caching = $caching;
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$tpl->cache_lifetime = $cache_lifetime;
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// set template scope
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$tpl->scope = $scope;
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if (!isset(self::$tplObjCache[ $tpl->templateId ]) && !$tpl->source->handler->recompiled) {
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// check if template object should be cached
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if ($forceTplCache || (isset(self::$subTplInfo[ $tpl->template_resource ]) &&
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self::$subTplInfo[ $tpl->template_resource ] > 1) ||
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($tpl->_isSubTpl() && isset(self::$tplObjCache[ $tpl->parent->templateId ]))
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) {
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self::$tplObjCache[ $tpl->templateId ] = $tpl;
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}
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}
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if (!empty($data)) {
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// set up variable values
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foreach ($data as $_key => $_val) {
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$tpl->tpl_vars[ $_key ] = new Smarty_Variable($_val, $this->isRenderingCache);
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}
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}
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if ($tpl->caching == 9999) {
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if (!isset($tpl->compiled)) {
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$this->loadCompiled(true);
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}
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if ($tpl->compiled->has_nocache_code) {
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$this->cached->hashes[ $tpl->compiled->nocache_hash ] = true;
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}
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}
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$tpl->_cache = array();
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if (isset($uid)) {
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if ($smarty->debugging) {
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if (!isset($smarty->_debug)) {
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$smarty->_debug = new Smarty_Internal_Debug();
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}
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$smarty->_debug->start_template($tpl);
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$smarty->_debug->start_render($tpl);
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}
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$tpl->compiled->getRenderedTemplateCode($tpl, $content_func);
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if ($smarty->debugging) {
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$smarty->_debug->end_template($tpl);
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$smarty->_debug->end_render($tpl);
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}
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} else {
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if (isset($tpl->compiled)) {
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$tpl->compiled->render($tpl);
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} else {
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$tpl->render();
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}
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}
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}
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/**
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* Get called sub-templates and save call count
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*
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*/
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public function _subTemplateRegister()
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{
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foreach ($this->compiled->includes as $name => $count) {
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if (isset(self::$subTplInfo[ $name ])) {
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self::$subTplInfo[ $name ] += $count;
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} else {
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self::$subTplInfo[ $name ] = $count;
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}
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}
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}
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/**
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* Check if this is a sub template
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*
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* @return bool true is sub template
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*/
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public function _isSubTpl()
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{
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return isset($this->parent) && $this->parent->_isTplObj();
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}
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/**
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* Assign variable in scope
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*
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* @param string $varName variable name
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* @param mixed $value value
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* @param bool $nocache nocache flag
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* @param int $scope scope into which variable shall be assigned
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*
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*/
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public function _assignInScope($varName, $value, $nocache = false, $scope = 0)
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{
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if (isset($this->tpl_vars[ $varName ])) {
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$this->tpl_vars[ $varName ] = clone $this->tpl_vars[ $varName ];
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$this->tpl_vars[ $varName ]->value = $value;
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if ($nocache || $this->isRenderingCache) {
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$this->tpl_vars[ $varName ]->nocache = true;
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}
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} else {
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$this->tpl_vars[ $varName ] = new Smarty_Variable($value, $nocache || $this->isRenderingCache);
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}
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if ($scope >= 0) {
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if ($scope > 0 || $this->scope > 0) {
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$this->smarty->ext->_updateScope->_updateScope($this, $varName, $scope);
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}
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}
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}
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/**
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* This function is executed automatically when a compiled or cached template file is included
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* - Decode saved properties from compiled template and cache files
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* - Check if compiled or cache file is valid
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*
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* @param \Smarty_Internal_Template $tpl
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* @param array $properties special template properties
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* @param bool $cache flag if called from cache file
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*
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* @return bool flag if compiled or cache file is valid
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* @throws \SmartyException
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*/
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public function _decodeProperties(Smarty_Internal_Template $tpl, $properties, $cache = false)
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{
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// on cache resources other than file check version stored in cache code
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if (!isset($properties[ 'version' ]) || Smarty::SMARTY_VERSION !== $properties[ 'version' ]) {
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if ($cache) {
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$tpl->smarty->clearAllCache();
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} else {
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$tpl->smarty->clearCompiledTemplate();
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}
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return false;
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}
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$is_valid = true;
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if (!empty($properties[ 'file_dependency' ]) &&
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((!$cache && $tpl->smarty->compile_check) || $tpl->smarty->compile_check == 1)
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) {
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// check file dependencies at compiled code
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foreach ($properties[ 'file_dependency' ] as $_file_to_check) {
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if ($_file_to_check[ 2 ] == 'file' || $_file_to_check[ 2 ] == 'php') {
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if ($tpl->source->filepath == $_file_to_check[ 0 ]) {
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// do not recheck current template
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continue;
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//$mtime = $tpl->source->getTimeStamp();
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} else {
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// file and php types can be checked without loading the respective resource handlers
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$mtime = is_file($_file_to_check[ 0 ]) ? filemtime($_file_to_check[ 0 ]) : false;
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}
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} else {
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$handler = Smarty_Resource::load($tpl->smarty, $_file_to_check[ 2 ]);
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if ($handler->checkTimestamps()) {
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$source = Smarty_Template_Source::load($tpl, $tpl->smarty, $_file_to_check[ 0 ]);
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$mtime = $source->getTimeStamp();
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} else {
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continue;
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}
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}
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if ($mtime === false || $mtime > $_file_to_check[ 1 ]) {
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$is_valid = false;
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break;
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}
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}
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}
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if ($cache) {
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// CACHING_LIFETIME_SAVED cache expiry has to be validated here since otherwise we'd define the unifunc
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if ($tpl->caching === Smarty::CACHING_LIFETIME_SAVED && $properties[ 'cache_lifetime' ] >= 0 &&
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(time() > ($tpl->cached->timestamp + $properties[ 'cache_lifetime' ]))
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) {
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$is_valid = false;
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}
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$tpl->cached->cache_lifetime = $properties[ 'cache_lifetime' ];
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$tpl->cached->valid = $is_valid;
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$resource = $tpl->cached;
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} else {
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$tpl->mustCompile = !$is_valid;
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$resource = $tpl->compiled;
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$resource->includes = isset($properties[ 'includes' ]) ? $properties[ 'includes' ] : array();
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}
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if ($is_valid) {
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$resource->unifunc = $properties[ 'unifunc' ];
|
|
$resource->has_nocache_code = $properties[ 'has_nocache_code' ];
|
|
// $tpl->compiled->nocache_hash = $properties['nocache_hash'];
|
|
$resource->file_dependency = $properties[ 'file_dependency' ];
|
|
}
|
|
return $is_valid && !function_exists($properties[ 'unifunc' ]);
|
|
}
|
|
|
|
/**
|
|
* Compiles the template
|
|
* If the template is not evaluated the compiled template is saved on disk
|
|
*/
|
|
public function compileTemplateSource()
|
|
{
|
|
return $this->compiled->compileTemplateSource($this);
|
|
}
|
|
|
|
/**
|
|
* Writes the content to cache resource
|
|
*
|
|
* @param string $content
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function writeCachedContent($content)
|
|
{
|
|
return $this->smarty->ext->_updateCache->writeCachedContent($this->cached, $this, $content);
|
|
}
|
|
|
|
/**
|
|
* Get unique template id
|
|
*
|
|
* @return string
|
|
*/
|
|
public function _getTemplateId()
|
|
{
|
|
return isset($this->templateId) ? $this->templateId : $this->templateId =
|
|
$this->smarty->_getTemplateId($this->template_resource, $this->cache_id, $this->compile_id);
|
|
}
|
|
|
|
/**
|
|
* runtime error not matching capture tags
|
|
*/
|
|
public function capture_error()
|
|
{
|
|
throw new SmartyException("Not matching {capture} open/close in \"{$this->template_resource}\"");
|
|
}
|
|
|
|
/**
|
|
* Load compiled object
|
|
*
|
|
* @param bool $force force new compiled object
|
|
*/
|
|
public function loadCompiled($force = false)
|
|
{
|
|
if ($force || !isset($this->compiled)) {
|
|
$this->compiled = Smarty_Template_Compiled::load($this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Load cached object
|
|
*
|
|
* @param bool $force force new cached object
|
|
*/
|
|
public function loadCached($force = false)
|
|
{
|
|
if ($force || !isset($this->cached)) {
|
|
$this->cached = Smarty_Template_Cached::load($this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Load inheritance object
|
|
*
|
|
*/
|
|
public function _loadInheritance()
|
|
{
|
|
if (!isset($this->inheritance)) {
|
|
$this->inheritance = new Smarty_Internal_Runtime_Inheritance();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Unload inheritance object
|
|
*
|
|
*/
|
|
public function _cleanUp()
|
|
{
|
|
$this->startRenderCallbacks = array();
|
|
$this->endRenderCallbacks = array();
|
|
$this->inheritance = null;
|
|
}
|
|
|
|
/**
|
|
* Load compiler object
|
|
*
|
|
* @throws \SmartyException
|
|
*/
|
|
public function loadCompiler()
|
|
{
|
|
if (!class_exists($this->source->compiler_class)) {
|
|
$this->smarty->loadPlugin($this->source->compiler_class);
|
|
}
|
|
$this->compiler =
|
|
new $this->source->compiler_class($this->source->template_lexer_class, $this->source->template_parser_class,
|
|
$this->smarty);
|
|
}
|
|
|
|
/**
|
|
* Handle unknown class methods
|
|
*
|
|
* @param string $name unknown method-name
|
|
* @param array $args argument array
|
|
*
|
|
* @return mixed
|
|
* @throws SmartyException
|
|
*/
|
|
public function __call($name, $args)
|
|
{
|
|
// method of Smarty object?
|
|
if (method_exists($this->smarty, $name)) {
|
|
return call_user_func_array(array($this->smarty, $name), $args);
|
|
}
|
|
// parent
|
|
return parent::__call($name, $args);
|
|
}
|
|
|
|
/**
|
|
* set Smarty property in template context
|
|
*
|
|
* @param string $property_name property name
|
|
* @param mixed $value value
|
|
*
|
|
* @throws SmartyException
|
|
*/
|
|
public function __set($property_name, $value)
|
|
{
|
|
switch ($property_name) {
|
|
case 'compiled':
|
|
case 'cached':
|
|
case 'compiler':
|
|
$this->$property_name = $value;
|
|
return;
|
|
default:
|
|
// Smarty property ?
|
|
if (property_exists($this->smarty, $property_name)) {
|
|
$this->smarty->$property_name = $value;
|
|
return;
|
|
}
|
|
}
|
|
throw new SmartyException("invalid template property '$property_name'.");
|
|
}
|
|
|
|
/**
|
|
* get Smarty property in template context
|
|
*
|
|
* @param string $property_name property name
|
|
*
|
|
* @return mixed|Smarty_Template_Cached
|
|
* @throws SmartyException
|
|
*/
|
|
public function __get($property_name)
|
|
{
|
|
switch ($property_name) {
|
|
case 'compiled':
|
|
$this->loadCompiled();
|
|
return $this->compiled;
|
|
|
|
case 'cached':
|
|
$this->loadCached();
|
|
return $this->cached;
|
|
|
|
case 'compiler':
|
|
$this->loadCompiler();
|
|
return $this->compiler;
|
|
default:
|
|
// Smarty property ?
|
|
if (property_exists($this->smarty, $property_name)) {
|
|
return $this->smarty->$property_name;
|
|
}
|
|
}
|
|
throw new SmartyException("template property '$property_name' does not exist.");
|
|
}
|
|
|
|
/**
|
|
* Template data object destructor
|
|
*/
|
|
public function __destruct()
|
|
{
|
|
if ($this->smarty->cache_locking && isset($this->cached) && $this->cached->is_locked) {
|
|
$this->cached->handler->releaseLock($this->smarty, $this->cached);
|
|
}
|
|
}
|
|
}
|