diff options
Diffstat (limited to 'include/smarty/libs/sysplugins/smarty_internal_templatebase.php')
| -rw-r--r-- | include/smarty/libs/sysplugins/smarty_internal_templatebase.php | 811 |
1 files changed, 811 insertions, 0 deletions
diff --git a/include/smarty/libs/sysplugins/smarty_internal_templatebase.php b/include/smarty/libs/sysplugins/smarty_internal_templatebase.php new file mode 100644 index 000000000..1cb9bb949 --- /dev/null +++ b/include/smarty/libs/sysplugins/smarty_internal_templatebase.php @@ -0,0 +1,811 @@ +<?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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