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- <?php
- /**
- * Smarty Internal Plugin Smarty Template Base
- *
- * This file contains the basic shared methodes for template handling
- *
- * @package Smarty
- * @subpackage Template
- * @author Uwe Tews
- */
- /**
- * Class with shared template methodes
- *
- * @package Smarty
- * @subpackage Template
- */
- abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data {
- /**
- * fetches a rendered Smarty template
- *
- * @param string $template the resource handle of the template file or template object
- * @param mixed $cache_id cache id to be used with this template
- * @param mixed $compile_id compile id to be used with this template
- * @param object $parent next higher level of Smarty variables
- * @param bool $display true: display, false: fetch
- * @param bool $merge_tpl_vars if true parent template variables merged in to local scope
- * @param bool $no_output_filter if true do not run output filter
- * @return string rendered template output
- */
- public function fetch($template = null, $cache_id = null, $compile_id = null, $parent = null, $display = false, $merge_tpl_vars = true, $no_output_filter = false)
- {
- if ($template === null && $this instanceof $this->template_class) {
- $template = $this;
- }
- if (!empty($cache_id) && is_object($cache_id)) {
- $parent = $cache_id;
- $cache_id = null;
- }
- if ($parent === null && ($this instanceof Smarty || is_string($template))) {
- $parent = $this;
- }
- // create template object if necessary
- $_template = ($template instanceof $this->template_class)
- ? $template
- : $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);
- // if called by Smarty object make sure we use current caching status
- if ($this instanceof Smarty) {
- $_template->caching = $this->caching;
- }
- // merge all variable scopes into template
- if ($merge_tpl_vars) {
- // save local variables
- $save_tpl_vars = $_template->tpl_vars;
- $save_config_vars = $_template->config_vars;
- $ptr_array = array($_template);
- $ptr = $_template;
- while (isset($ptr->parent)) {
- $ptr_array[] = $ptr = $ptr->parent;
- }
- $ptr_array = array_reverse($ptr_array);
- $parent_ptr = reset($ptr_array);
- $tpl_vars = $parent_ptr->tpl_vars;
- $config_vars = $parent_ptr->config_vars;
- while ($parent_ptr = next($ptr_array)) {
- if (!empty($parent_ptr->tpl_vars)) {
- $tpl_vars = array_merge($tpl_vars, $parent_ptr->tpl_vars);
- }
- if (!empty($parent_ptr->config_vars)) {
- $config_vars = array_merge($config_vars, $parent_ptr->config_vars);
- }
- }
- if (!empty(Smarty::$global_tpl_vars)) {
- $tpl_vars = array_merge(Smarty::$global_tpl_vars, $tpl_vars);
- }
- $_template->tpl_vars = $tpl_vars;
- $_template->config_vars = $config_vars;
- }
- // dummy local smarty variable
- if (!isset($_template->tpl_vars['smarty'])) {
- $_template->tpl_vars['smarty'] = new Smarty_Variable;
- }
- if (isset($this->smarty->error_reporting)) {
- $_smarty_old_error_level = error_reporting($this->smarty->error_reporting);
- }
- // check URL debugging control
- if (!$this->smarty->debugging && $this->smarty->debugging_ctrl == 'URL') {
- if (isset($_SERVER['QUERY_STRING'])) {
- $_query_string = $_SERVER['QUERY_STRING'];
- } else {
- $_query_string = '';
- }
- if (false !== strpos($_query_string, $this->smarty->smarty_debug_id)) {
- if (false !== strpos($_query_string, $this->smarty->smarty_debug_id . '=on')) {
- // enable debugging for this browser session
- setcookie('SMARTY_DEBUG', true);
- $this->smarty->debugging = true;
- } elseif (false !== strpos($_query_string, $this->smarty->smarty_debug_id . '=off')) {
- // disable debugging for this browser session
- setcookie('SMARTY_DEBUG', false);
- $this->smarty->debugging = false;
- } else {
- // enable debugging for this page
- $this->smarty->debugging = true;
- }
- } else {
- if (isset($_COOKIE['SMARTY_DEBUG'])) {
- $this->smarty->debugging = true;
- }
- }
- }
- // must reset merge template date
- $_template->smarty->merged_templates_func = array();
- // get rendered template
- // disable caching for evaluated code
- if ($_template->source->recompiled) {
- $_template->caching = false;
- }
- // checks if template exists
- if (!$_template->source->exists) {
- if ($_template->parent instanceof Smarty_Internal_Template) {
- $parent_resource = " in '{$_template->parent->template_resource}'";
- } else {
- $parent_resource = '';
- }
- throw new SmartyException("Unable to load template {$_template->source->type} '{$_template->source->name}'{$parent_resource}");
- }
- // read from cache or render
- if (!($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || !$_template->cached->valid) {
- // render template (not loaded and not in cache)
- if (!$_template->source->uncompiled) {
- $_smarty_tpl = $_template;
- if ($_template->source->recompiled) {
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::start_compile($_template);
- }
- $code = $_template->compiler->compileTemplate($_template);
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::end_compile($_template);
- }
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::start_render($_template);
- }
- try {
- ob_start();
- eval("?>" . $code);
- unset($code);
- } catch (Exception $e) {
- ob_get_clean();
- throw $e;
- }
- } else {
- if (!$_template->compiled->exists || ($_template->smarty->force_compile && !$_template->compiled->isCompiled)) {
- $_template->compileTemplateSource();
- }
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::start_render($_template);
- }
- if (!$_template->compiled->loaded) {
- include($_template->compiled->filepath);
- if ($_template->mustCompile) {
- // recompile and load again
- $_template->compileTemplateSource();
- include($_template->compiled->filepath);
- }
- $_template->compiled->loaded = true;
- } else {
- $_template->decodeProperties($_template->compiled->_properties, false);
- }
- try {
- ob_start();
- if (empty($_template->properties['unifunc']) || !is_callable($_template->properties['unifunc'])) {
- throw new SmartyException("Invalid compiled template for '{$_template->template_resource}'");
- }
- array_unshift($_template->_capture_stack,array());
- //
- // render compiled template
- //
- $_template->properties['unifunc']($_template);
- // any unclosed {capture} tags ?
- if (isset($_template->_capture_stack[0][0])) {
- $_template->capture_error();
- }
- array_shift($_template->_capture_stack);
- } catch (Exception $e) {
- ob_get_clean();
- throw $e;
- }
- }
- } else {
- if ($_template->source->uncompiled) {
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::start_render($_template);
- }
- try {
- ob_start();
- $_template->source->renderUncompiled($_template);
- } catch (Exception $e) {
- ob_get_clean();
- throw $e;
- }
- } else {
- throw new SmartyException("Resource '$_template->source->type' must have 'renderUncompiled' method");
- }
- }
- $_output = ob_get_clean();
- if (!$_template->source->recompiled && empty($_template->properties['file_dependency'][$_template->source->uid])) {
- $_template->properties['file_dependency'][$_template->source->uid] = array($_template->source->filepath, $_template->source->timestamp, $_template->source->type);
- }
- if ($_template->parent instanceof Smarty_Internal_Template) {
- $_template->parent->properties['file_dependency'] = array_merge($_template->parent->properties['file_dependency'], $_template->properties['file_dependency']);
- foreach ($_template->required_plugins as $code => $tmp1) {
- foreach ($tmp1 as $name => $tmp) {
- foreach ($tmp as $type => $data) {
- $_template->parent->required_plugins[$code][$name][$type] = $data;
- }
- }
- }
- }
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::end_render($_template);
- }
- // write to cache when nessecary
- if (!$_template->source->recompiled && ($_template->caching == Smarty::CACHING_LIFETIME_SAVED || $_template->caching == Smarty::CACHING_LIFETIME_CURRENT)) {
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::start_cache($_template);
- }
- $_template->properties['has_nocache_code'] = false;
- // get text between non-cached items
- $cache_split = preg_split("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $_output);
- // get non-cached items
- preg_match_all("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $_output, $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])) {
- $_template->properties['has_nocache_code'] = true;
- // remove nocache tags from cache output
- $output .= preg_replace("!/\*/?%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!", '', $cache_parts[0][$curr_idx]);
- }
- }
- if (!$no_output_filter && !$_template->has_nocache_code && (isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))) {
- $output = Smarty_Internal_Filter_Handler::runFilter('output', $output, $_template);
- }
- // rendering (must be done before writing cache file because of {function} nocache handling)
- $_smarty_tpl = $_template;
- try {
- ob_start();
- eval("?>" . $output);
- $_output = ob_get_clean();
- } catch (Exception $e) {
- ob_get_clean();
- throw $e;
- }
- // write cache file content
- $_template->writeCachedContent($output);
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::end_cache($_template);
- }
- } else {
- // var_dump('renderTemplate', $_template->has_nocache_code, $_template->template_resource, $_template->properties['nocache_hash'], $_template->parent->properties['nocache_hash'], $_output);
- if (!empty($_template->properties['nocache_hash']) && !empty($_template->parent->properties['nocache_hash'])) {
- // replace nocache_hash
- $_output = str_replace("{$_template->properties['nocache_hash']}", $_template->parent->properties['nocache_hash'], $_output);
- $_template->parent->has_nocache_code = $_template->parent->has_nocache_code || $_template->has_nocache_code;
- }
- }
- } else {
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::start_cache($_template);
- }
- try {
- ob_start();
- array_unshift($_template->_capture_stack,array());
- //
- // render cached template
- //
- $_template->properties['unifunc']($_template);
- // any unclosed {capture} tags ?
- if (isset($_template->_capture_stack[0][0])) {
- $_template->capture_error();
- }
- array_shift($_template->_capture_stack);
- $_output = ob_get_clean();
- } catch (Exception $e) {
- ob_get_clean();
- throw $e;
- }
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::end_cache($_template);
- }
- }
- if ((!$this->caching || $_template->has_nocache_code || $_template->source->recompiled) && !$no_output_filter && (isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))) {
- $_output = Smarty_Internal_Filter_Handler::runFilter('output', $_output, $_template);
- }
- if (isset($this->error_reporting)) {
- error_reporting($_smarty_old_error_level);
- }
- // display or fetch
- if ($display) {
- if ($this->caching && $this->cache_modified_check) {
- $_isCached = $_template->isCached() && !$_template->has_nocache_code;
- $_last_modified_date = @substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
- if ($_isCached && $_template->cached->timestamp <= strtotime($_last_modified_date)) {
- switch (PHP_SAPI) {
- case 'cgi': // php-cgi < 5.3
- case 'cgi-fcgi': // php-cgi >= 5.3
- case 'fpm-fcgi': // php-fpm >= 5.3.3
- header('Status: 304 Not Modified');
- break;
- case 'cli':
- if (/* ^phpunit */!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS'])/* phpunit$ */) {
- $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = '304 Not Modified';
- }
- break;
- default:
- header($_SERVER['SERVER_PROTOCOL'].' 304 Not Modified');
- break;
- }
- } else {
- switch (PHP_SAPI) {
- case 'cli':
- if (/* ^phpunit */!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS'])/* phpunit$ */) {
- $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = 'Last-Modified: ' . gmdate('D, d M Y H:i:s', $_template->cached->timestamp) . ' GMT';
- }
- break;
- default:
- header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $_template->cached->timestamp) . ' GMT');
- break;
- }
- echo $_output;
- }
- } else {
- echo $_output;
- }
- // debug output
- if ($this->smarty->debugging) {
- Smarty_Internal_Debug::display_debug($this);
- }
- if ($merge_tpl_vars) {
- // restore local variables
- $_template->tpl_vars = $save_tpl_vars;
- $_template->config_vars = $save_config_vars;
- }
- return;
- } else {
- if ($merge_tpl_vars) {
- // restore local variables
- $_template->tpl_vars = $save_tpl_vars;
- $_template->config_vars = $save_config_vars;
- }
- // return fetched content
- return $_output;
- }
- }
- /**
- * displays a Smarty template
- *
- * @param string $template the resource handle of the template file or template object
- * @param mixed $cache_id cache id to be used with this template
- * @param mixed $compile_id compile id to be used with this template
- * @param object $parent next higher level of Smarty variables
- */
- public function display($template = null, $cache_id = null, $compile_id = null, $parent = null)
- {
- // display template
- $this->fetch($template, $cache_id, $compile_id, $parent, true);
- }
- /**
- * test if cache is valid
- *
- * @param string|object $template the resource handle of the template file or template object
- * @param mixed $cache_id cache id to be used with this template
- * @param mixed $compile_id compile id to be used with this template
- * @param object $parent next higher level of Smarty variables
- * @return boolean cache status
- */
- public function isCached($template = null, $cache_id = null, $compile_id = null, $parent = null)
- {
- if ($template === null && $this instanceof $this->template_class) {
- return $this->cached->valid;
- }
- if (!($template instanceof $this->template_class)) {
- if ($parent === null) {
- $parent = $this;
- }
- $template = $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);
- }
- // return cache status of template
- return $template->cached->valid;
- }
- /**
- * creates a data object
- *
- * @param object $parent next higher level of Smarty variables
- * @returns Smarty_Data data object
- */
- public function createData($parent = null)
- {
- return new Smarty_Data($parent, $this);
- }
- /**
- * Registers plugin to be used in templates
- *
- * @param string $type plugin type
- * @param string $tag name of template tag
- * @param callback $callback PHP callback to register
- * @param boolean $cacheable if true (default) this fuction is cachable
- * @param array $cache_attr caching attributes if any
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- * @throws SmartyException when the plugin tag is invalid
- */
- public function registerPlugin($type, $tag, $callback, $cacheable = true, $cache_attr = null)
- {
- if (isset($this->smarty->registered_plugins[$type][$tag])) {
- throw new SmartyException("Plugin tag \"{$tag}\" already registered");
- } elseif (!is_callable($callback)) {
- throw new SmartyException("Plugin \"{$tag}\" not callable");
- } else {
- $this->smarty->registered_plugins[$type][$tag] = array($callback, (bool) $cacheable, (array) $cache_attr);
- }
- return $this;
- }
- /**
- * Unregister Plugin
- *
- * @param string $type of plugin
- * @param string $tag name of plugin
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- */
- public function unregisterPlugin($type, $tag)
- {
- if (isset($this->smarty->registered_plugins[$type][$tag])) {
- unset($this->smarty->registered_plugins[$type][$tag]);
- }
- return $this;
- }
- /**
- * Registers a resource to fetch a template
- *
- * @param string $type name of resource type
- * @param Smarty_Resource|array $callback or instance of Smarty_Resource, or array of callbacks to handle resource (deprecated)
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- */
- public function registerResource($type, $callback)
- {
- $this->smarty->registered_resources[$type] = $callback instanceof Smarty_Resource ? $callback : array($callback, false);
- return $this;
- }
- /**
- * Unregisters a resource
- *
- * @param string $type name of resource type
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- */
- public function unregisterResource($type)
- {
- if (isset($this->smarty->registered_resources[$type])) {
- unset($this->smarty->registered_resources[$type]);
- }
- return $this;
- }
- /**
- * Registers a cache resource to cache a template's output
- *
- * @param string $type name of cache resource type
- * @param Smarty_CacheResource $callback instance of Smarty_CacheResource to handle output caching
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- */
- public function registerCacheResource($type, Smarty_CacheResource $callback)
- {
- $this->smarty->registered_cache_resources[$type] = $callback;
- return $this;
- }
- /**
- * Unregisters a cache resource
- *
- * @param string $type name of cache resource type
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- */
- public function unregisterCacheResource($type)
- {
- if (isset($this->smarty->registered_cache_resources[$type])) {
- unset($this->smarty->registered_cache_resources[$type]);
- }
- return $this;
- }
- /**
- * Registers object to be used in templates
- *
- * @param string $object name of template object
- * @param object $object_impl the referenced PHP object to register
- * @param array $allowed list of allowed methods (empty = all)
- * @param boolean $smarty_args smarty argument format, else traditional
- * @param array $block_methods list of block-methods
- * @param array $block_functs list of methods that are block format
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- * @throws SmartyException if any of the methods in $allowed or $block_methods are invalid
- */
- public function registerObject($object_name, $object_impl, $allowed = array(), $smarty_args = true, $block_methods = array())
- {
- // test if allowed methodes callable
- if (!empty($allowed)) {
- foreach ((array) $allowed as $method) {
- if (!is_callable(array($object_impl, $method))) {
- throw new SmartyException("Undefined method '$method' in registered object");
- }
- }
- }
- // test if block methodes callable
- if (!empty($block_methods)) {
- foreach ((array) $block_methods as $method) {
- if (!is_callable(array($object_impl, $method))) {
- throw new SmartyException("Undefined method '$method' in registered object");
- }
- }
- }
- // register the object
- $this->smarty->registered_objects[$object_name] =
- array($object_impl, (array) $allowed, (boolean) $smarty_args, (array) $block_methods);
- return $this;
- }
- /**
- * return a reference to a registered object
- *
- * @param string $name object name
- * @return object
- * @throws SmartyException if no such object is found
- */
- public function getRegisteredObject($name)
- {
- if (!isset($this->smarty->registered_objects[$name])) {
- throw new SmartyException("'$name' is not a registered object");
- }
- if (!is_object($this->smarty->registered_objects[$name][0])) {
- throw new SmartyException("registered '$name' is not an object");
- }
- return $this->smarty->registered_objects[$name][0];
- }
- /**
- * unregister an object
- *
- * @param string $name object name
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- */
- public function unregisterObject($name)
- {
- if (isset($this->smarty->registered_objects[$name])) {
- unset($this->smarty->registered_objects[$name]);
- }
- return $this;
- }
- /**
- * Registers static classes to be used in templates
- *
- * @param string $class name of template class
- * @param string $class_impl the referenced PHP class to register
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- * @throws SmartyException if $class_impl does not refer to an existing class
- */
- public function registerClass($class_name, $class_impl)
- {
- // test if exists
- if (!class_exists($class_impl)) {
- throw new SmartyException("Undefined class '$class_impl' in register template class");
- }
- // register the class
- $this->smarty->registered_classes[$class_name] = $class_impl;
- return $this;
- }
- /**
- * Registers a default plugin handler
- *
- * @param callable $callback class/method name
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- * @throws SmartyException if $callback is not callable
- */
- public function registerDefaultPluginHandler($callback)
- {
- if (is_callable($callback)) {
- $this->smarty->default_plugin_handler_func = $callback;
- } else {
- throw new SmartyException("Default plugin handler '$callback' not callable");
- }
- return $this;
- }
- /**
- * Registers a default template handler
- *
- * @param callable $callback class/method name
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- * @throws SmartyException if $callback is not callable
- */
- public function registerDefaultTemplateHandler($callback)
- {
- if (is_callable($callback)) {
- $this->smarty->default_template_handler_func = $callback;
- } else {
- throw new SmartyException("Default template handler '$callback' not callable");
- }
- return $this;
- }
- /**
- * Registers a default template handler
- *
- * @param callable $callback class/method name
- * @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
- * @throws SmartyException if $callback is not callable
- */
- public function registerDefaultConfigHandler($callback)
- {
- if (is_callable($callback)) {
- $this->smarty->default_config_handler_func = $callback;
- } else {
- throw new SmartyException("Default config handler '$callback' not callable");
- }
- 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)
- {
- $this->smarty->registered_filters[$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);
- if (isset($this->smarty->registered_filters[$type][$name])) {
- unset($this->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)
- {
- $_plugin = "smarty_{$type}filter_{$name}";
- $_filter_name = $_plugin;
- if ($this->smarty->loadPlugin($_plugin)) {
- if (class_exists($_plugin, false)) {
- $_plugin = array($_plugin, 'execute');
- }
- if (is_callable($_plugin)) {
- $this->smarty->registered_filters[$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)
- {
- $_filter_name = "smarty_{$type}filter_{$name}";
- if (isset($this->smarty->registered_filters[$type][$_filter_name])) {
- unset ($this->smarty->registered_filters[$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 $args argument array
- */
- public function __call($name, $args)
- {
- static $_prefixes = array('set' => true, 'get' => true);
- static $_resolved_property_name = array();
- static $_resolved_property_source = array();
- // method of Smarty object?
- if (method_exists($this->smarty, $name)) {
- return call_user_func_array(array($this->smarty, $name), $args);
- }
- // 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])) {
- $_is_this = $_resolved_property_source[$property_name];
- } else {
- $_is_this = null;
- if (property_exists($this, $property_name)) {
- $_is_this = true;
- } else if (property_exists($this->smarty, $property_name)) {
- $_is_this = false;
- }
- $_resolved_property_source[$property_name] = $_is_this;
- }
- if ($_is_this) {
- if ($first3 == 'get')
- return $this->$property_name;
- else
- return $this->$property_name = $args[0];
- } else if ($_is_this === false) {
- if ($first3 == 'get')
- return $this->smarty->$property_name;
- else
- return $this->smarty->$property_name = $args[0];
- } else {
- throw new SmartyException("property '$property_name' does not exist.");
- return false;
- }
- }
- if ($name == 'Smarty') {
- throw new SmartyException("PHP5 requires you to call __construct() instead of Smarty()");
- }
- // must be unknown
- throw new SmartyException("Call of unknown method '$name'.");
- }
- }
- ?>
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