558 lines
19 KiB
PHP
558 lines
19 KiB
PHP
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<?php
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/**
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* Smarty Internal Plugin Smarty Template Base
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* This file contains the basic shared methods for template handling
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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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* Class with shared template 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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abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
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{
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/**
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* Set this if you want different sets of cache files for the same
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* templates.
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*
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* @var string
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*/
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public $cache_id = null;
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/**
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* Set this if you want different sets of compiled files for the same
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* templates.
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*
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* @var string
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*/
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public $compile_id = null;
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/**
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* caching enabled
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*
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* @var boolean
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*/
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public $caching = false;
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/**
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* cache lifetime in seconds
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*
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* @var integer
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*/
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public $cache_lifetime = 3600;
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/**
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* test if cache is valid
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*
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* @param string|object $template the resource handle of the template file or template object
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* @param mixed $cache_id cache id to be used with this template
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* @param mixed $compile_id compile id to be used with this template
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* @param object $parent next higher level of Smarty variables
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*
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* @return boolean cache status
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*/
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public function isCached($template = null, $cache_id = null, $compile_id = null, $parent = null)
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{
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if ($template === null && $this instanceof $this->template_class) {
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$template = $this;
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} else {
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if (!($template instanceof $this->template_class)) {
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if ($parent === null) {
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$parent = $this;
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}
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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$template = $smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);
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}
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}
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// return cache status of template
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if (!isset($template->cached)) {
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$template->loadCached();
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}
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return $template->cached->isCached($template);
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}
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/**
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* creates a data object
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*
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* @param object $parent next higher level of Smarty variables
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* @param string $name optional data block name
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*
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* @returns Smarty_Data data object
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*/
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public function createData($parent = null, $name = null)
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{
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$dataObj = new Smarty_Data($parent, $this, $name);
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if ($this->debugging) {
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Smarty_Internal_Debug::register_data($dataObj);
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}
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return $dataObj;
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}
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/**
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* Get unique template id
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*
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* @param string $template_name
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* @param null|mixed $cache_id
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* @param null|mixed $compile_id
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*
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* @return string
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*/
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public function getTemplateId($template_name, $cache_id = null, $compile_id = null)
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{
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$cache_id = isset($cache_id) ? $cache_id : $this->cache_id;
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$compile_id = isset($compile_id) ? $compile_id : $this->compile_id;
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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if ($smarty->allow_ambiguous_resources) {
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$_templateId = Smarty_Resource::getUniqueTemplateName($this, $template_name) . "#{$cache_id}#{$compile_id}";
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} else {
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$_templateId = $smarty->joined_template_dir . "#{$template_name}#{$cache_id}#{$compile_id}";
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}
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if (isset($_templateId[150])) {
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$_templateId = sha1($_templateId);
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}
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return $_templateId;
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}
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/**
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* Registers plugin to be used in templates
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*
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* @param string $type plugin type
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* @param string $tag name of template tag
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* @param callback $callback PHP callback to register
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* @param boolean $cacheable if true (default) this fuction is cachable
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* @param array $cache_attr caching attributes if any
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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* @throws SmartyException when the plugin tag is invalid
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*/
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public function registerPlugin($type, $tag, $callback, $cacheable = true, $cache_attr = null)
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{
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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if (isset($smarty->registered_plugins[$type][$tag])) {
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throw new SmartyException("Plugin tag \"{$tag}\" already registered");
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} elseif (!is_callable($callback)) {
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throw new SmartyException("Plugin \"{$tag}\" not callable");
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} else {
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$smarty->registered_plugins[$type][$tag] = array($callback, (bool) $cacheable, (array) $cache_attr);
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}
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return $this;
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}
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/**
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* Unregister Plugin
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*
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* @param string $type of plugin
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* @param string $tag name of plugin
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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*/
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public function unregisterPlugin($type, $tag)
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{
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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if (isset($smarty->registered_plugins[$type][$tag])) {
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unset($smarty->registered_plugins[$type][$tag]);
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}
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return $this;
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}
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/**
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* Registers a resource to fetch a template
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*
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* @param string $type name of resource type
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* @param Smarty_Resource|array $callback or instance of Smarty_Resource, or array of callbacks to handle resource
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* (deprecated)
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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*/
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public function registerResource($type, $callback)
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{
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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$smarty->registered_resources[$type] = $callback instanceof Smarty_Resource ? $callback : array($callback, false);
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return $this;
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}
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/**
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* Unregisters a resource
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*
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* @param string $type name of resource type
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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*/
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public function unregisterResource($type)
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{
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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if (isset($smarty->registered_resources[$type])) {
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unset($smarty->registered_resources[$type]);
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}
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return $this;
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}
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/**
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* Registers a cache resource to cache a template's output
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*
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* @param string $type name of cache resource type
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* @param Smarty_CacheResource $callback instance of Smarty_CacheResource to handle output caching
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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*/
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public function registerCacheResource($type, Smarty_CacheResource $callback)
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{
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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$smarty->registered_cache_resources[$type] = $callback;
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return $this;
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}
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/**
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* Unregisters a cache resource
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*
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* @param string $type name of cache resource type
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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*/
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public function unregisterCacheResource($type)
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{
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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if (isset($smarty->registered_cache_resources[$type])) {
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unset($smarty->registered_cache_resources[$type]);
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}
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return $this;
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}
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/**
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* Registers object to be used in templates
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*
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* @param $object_name
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* @param object $object_impl the referenced PHP object to register
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* @param array $allowed list of allowed methods (empty = all)
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* @param boolean $smarty_args smarty argument format, else traditional
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* @param array $block_methods list of block-methods
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*
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* @throws SmartyException
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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*/
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public function registerObject($object_name, $object_impl, $allowed = array(), $smarty_args = true, $block_methods = array())
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{
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// test if allowed methods callable
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if (!empty($allowed)) {
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foreach ((array) $allowed as $method) {
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if (!is_callable(array($object_impl, $method)) && !property_exists($object_impl, $method)) {
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throw new SmartyException("Undefined method or property '$method' in registered object");
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}
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}
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}
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// test if block methods callable
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if (!empty($block_methods)) {
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foreach ((array) $block_methods as $method) {
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if (!is_callable(array($object_impl, $method))) {
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throw new SmartyException("Undefined method '$method' in registered object");
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}
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}
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}
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// register the object
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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$smarty->registered_objects[$object_name] =
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array($object_impl, (array) $allowed, (boolean) $smarty_args, (array) $block_methods);
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return $this;
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}
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/**
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* return a reference to a registered object
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*
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* @param string $name object name
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*
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* @return object
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* @throws SmartyException if no such object is found
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*/
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public function getRegisteredObject($name)
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{
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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if (!isset($smarty->registered_objects[$name])) {
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throw new SmartyException("'$name' is not a registered object");
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}
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if (!is_object($smarty->registered_objects[$name][0])) {
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throw new SmartyException("registered '$name' is not an object");
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}
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return $smarty->registered_objects[$name][0];
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}
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/**
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* unregister an object
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*
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* @param string $name object name
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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*/
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public function unregisterObject($name)
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{
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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if (isset($smarty->registered_objects[$name])) {
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unset($smarty->registered_objects[$name]);
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}
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return $this;
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}
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/**
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* Registers static classes to be used in templates
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*
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* @param $class_name
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* @param string $class_impl the referenced PHP class to register
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*
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* @throws SmartyException
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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*/
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public function registerClass($class_name, $class_impl)
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{
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// test if exists
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if (!class_exists($class_impl)) {
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throw new SmartyException("Undefined class '$class_impl' in register template class");
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}
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// register the class
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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$smarty->registered_classes[$class_name] = $class_impl;
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return $this;
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}
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/**
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* Registers a default plugin handler
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*
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* @param callable $callback class/method name
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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* @throws SmartyException if $callback is not callable
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*/
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public function registerDefaultPluginHandler($callback)
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{
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$smarty = isset($this->smarty) ? $this->smarty : $this;
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if (is_callable($callback)) {
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$smarty->default_plugin_handler_func = $callback;
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} else {
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throw new SmartyException("Default plugin handler '$callback' not callable");
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}
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return $this;
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}
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/**
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* Registers a default template handler
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*
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* @param callable $callback class/method name
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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* @throws SmartyException if $callback is not callable
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*/
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public function registerDefaultTemplateHandler($callback)
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{
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Smarty_Internal_Extension_DefaultTemplateHandler::registerDefaultTemplateHandler($this, $callback);
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return $this;
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}
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/**
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* Registers a default template handler
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*
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* @param callable $callback class/method name
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*
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
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* Smarty_Internal_Template) instance for chaining
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* @throws SmartyException if $callback is not callable
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*/
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public function registerDefaultConfigHandler($callback)
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{
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Smarty_Internal_Extension_DefaultTemplateHandler::registerDefaultConfigHandler($this, $callback);
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Registers a filter function
|
||
|
|
*
|
||
|
|
* @param string $type filter type
|
||
|
|
* @param callback $callback
|
||
|
|
*
|
||
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
|
||
|
|
* Smarty_Internal_Template) instance for chaining
|
||
|
|
*/
|
||
|
|
public function registerFilter($type, $callback)
|
||
|
|
{
|
||
|
|
$smarty = isset($this->smarty) ? $this->smarty : $this;
|
||
|
|
$smarty->registered_filters[$type][$this->_get_filter_name($callback)] = $callback;
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Unregisters a filter function
|
||
|
|
*
|
||
|
|
* @param string $type filter type
|
||
|
|
* @param callback $callback
|
||
|
|
*
|
||
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
|
||
|
|
* Smarty_Internal_Template) instance for chaining
|
||
|
|
*/
|
||
|
|
public function unregisterFilter($type, $callback)
|
||
|
|
{
|
||
|
|
$name = $this->_get_filter_name($callback);
|
||
|
|
$smarty = isset($this->smarty) ? $this->smarty : $this;
|
||
|
|
if (isset($smarty->registered_filters[$type][$name])) {
|
||
|
|
unset($smarty->registered_filters[$type][$name]);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return internal filter name
|
||
|
|
*
|
||
|
|
* @param callback $function_name
|
||
|
|
*
|
||
|
|
* @return string internal filter name
|
||
|
|
*/
|
||
|
|
public function _get_filter_name($function_name)
|
||
|
|
{
|
||
|
|
if (is_array($function_name)) {
|
||
|
|
$_class_name = (is_object($function_name[0]) ?
|
||
|
|
get_class($function_name[0]) : $function_name[0]);
|
||
|
|
|
||
|
|
return $_class_name . '_' . $function_name[1];
|
||
|
|
} else {
|
||
|
|
return $function_name;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* load a filter of specified type and name
|
||
|
|
*
|
||
|
|
* @param string $type filter type
|
||
|
|
* @param string $name filter name
|
||
|
|
*
|
||
|
|
* @throws SmartyException if filter could not be loaded
|
||
|
|
*/
|
||
|
|
public function loadFilter($type, $name)
|
||
|
|
{
|
||
|
|
$smarty = isset($this->smarty) ? $this->smarty : $this;
|
||
|
|
$_plugin = "smarty_{$type}filter_{$name}";
|
||
|
|
$_filter_name = $_plugin;
|
||
|
|
if ($smarty->loadPlugin($_plugin)) {
|
||
|
|
if (class_exists($_plugin, false)) {
|
||
|
|
$_plugin = array($_plugin, 'execute');
|
||
|
|
}
|
||
|
|
if (is_callable($_plugin)) {
|
||
|
|
$smarty->registered_filters[$type][$_filter_name] = $_plugin;
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
throw new SmartyException("{$type}filter \"{$name}\" not callable");
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* unload a filter of specified type and name
|
||
|
|
*
|
||
|
|
* @param string $type filter type
|
||
|
|
* @param string $name filter name
|
||
|
|
*
|
||
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or
|
||
|
|
* Smarty_Internal_Template) instance for chaining
|
||
|
|
*/
|
||
|
|
public function unloadFilter($type, $name)
|
||
|
|
{
|
||
|
|
$smarty = isset($this->smarty) ? $this->smarty : $this;
|
||
|
|
$_filter_name = "smarty_{$type}filter_{$name}";
|
||
|
|
if (isset($smarty->registered_filters[$type][$_filter_name])) {
|
||
|
|
unset ($smarty->registered_filters[$type][$_filter_name]);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* preg_replace callback to convert camelcase getter/setter to underscore property names
|
||
|
|
*
|
||
|
|
* @param string $match match string
|
||
|
|
*
|
||
|
|
* @return string replacemant
|
||
|
|
*/
|
||
|
|
private function replaceCamelcase($match)
|
||
|
|
{
|
||
|
|
return "_" . strtolower($match[1]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle unknown class methods
|
||
|
|
*
|
||
|
|
* @param string $name unknown method-name
|
||
|
|
* @param array $args argument array
|
||
|
|
*
|
||
|
|
* @throws SmartyException
|
||
|
|
*/
|
||
|
|
public function __call($name, $args)
|
||
|
|
{
|
||
|
|
static $_prefixes = array('set' => true, 'get' => true);
|
||
|
|
static $_resolved_property_name = array();
|
||
|
|
static $_resolved_property_source = array();
|
||
|
|
|
||
|
|
// see if this is a set/get for a property
|
||
|
|
$first3 = strtolower(substr($name, 0, 3));
|
||
|
|
if (isset($_prefixes[$first3]) && isset($name[3]) && $name[3] !== '_') {
|
||
|
|
if (isset($_resolved_property_name[$name])) {
|
||
|
|
$property_name = $_resolved_property_name[$name];
|
||
|
|
} else {
|
||
|
|
// try to keep case correct for future PHP 6.0 case-sensitive class methods
|
||
|
|
// lcfirst() not available < PHP 5.3.0, so improvise
|
||
|
|
$property_name = strtolower(substr($name, 3, 1)) . substr($name, 4);
|
||
|
|
// convert camel case to underscored name
|
||
|
|
$property_name = preg_replace_callback('/([A-Z])/', array($this, 'replaceCamelcase'), $property_name);
|
||
|
|
$_resolved_property_name[$name] = $property_name;
|
||
|
|
}
|
||
|
|
if (isset($_resolved_property_source[$property_name])) {
|
||
|
|
$status = $_resolved_property_source[$property_name];
|
||
|
|
} else {
|
||
|
|
$status = null;
|
||
|
|
if (property_exists($this, $property_name)) {
|
||
|
|
$status = true;
|
||
|
|
} elseif (property_exists($this->smarty, $property_name)) {
|
||
|
|
$status = false;
|
||
|
|
}
|
||
|
|
$_resolved_property_source[$property_name] = $status;
|
||
|
|
}
|
||
|
|
$smarty = null;
|
||
|
|
if ($status === true) {
|
||
|
|
$smarty = $this;
|
||
|
|
} elseif ($status === false) {
|
||
|
|
$smarty = $this->smarty;
|
||
|
|
}
|
||
|
|
if ($smarty) {
|
||
|
|
if ($first3 == 'get') {
|
||
|
|
return $smarty->$property_name;
|
||
|
|
} else {
|
||
|
|
return $smarty->$property_name = $args[0];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
throw new SmartyException("property '$property_name' does not exist.");
|
||
|
|
}
|
||
|
|
throw new SmartyException("Call of unknown method '$name'.");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|