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| -rw-r--r-- | include/smarty/libs/Smarty.class.php | 1960 |
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diff --git a/include/smarty/libs/Smarty.class.php b/include/smarty/libs/Smarty.class.php new file mode 100644 index 000000000..c79874606 --- /dev/null +++ b/include/smarty/libs/Smarty.class.php @@ -0,0 +1,1960 @@ +<?php + +/** + * Project: Smarty: the PHP compiling template engine + * File: Smarty.class.php + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * For questions, help, comments, discussion, etc., please join the + * Smarty mailing list. Send a blank e-mail to + * smarty-general-subscribe@lists.php.net + * + * @link http://smarty.php.net/ + * @copyright 2001-2005 New Digital Group, Inc. + * @author Monte Ohrt <monte at ohrt dot com> + * @author Andrei Zmievski <andrei@php.net> + * @package Smarty + * @version 2.6.19 + */ + +/* $Id$ */ + +/** + * DIR_SEP isn't used anymore, but third party apps might + */ +if(!defined('DIR_SEP')) { + define('DIR_SEP', DIRECTORY_SEPARATOR); +} + +/** + * set SMARTY_DIR to absolute path to Smarty library files. + * if not defined, include_path will be used. Sets SMARTY_DIR only if user + * application has not already defined it. + */ + +if (!defined('SMARTY_DIR')) { + define('SMARTY_DIR', dirname(__FILE__) . DIRECTORY_SEPARATOR); +} + +if (!defined('SMARTY_CORE_DIR')) { + define('SMARTY_CORE_DIR', SMARTY_DIR . 'internals' . DIRECTORY_SEPARATOR); +} + +define('SMARTY_PHP_PASSTHRU', 0); +define('SMARTY_PHP_QUOTE', 1); +define('SMARTY_PHP_REMOVE', 2); +define('SMARTY_PHP_ALLOW', 3); + +/** + * @package Smarty + */ +class Smarty +{ + /**#@+ + * Smarty Configuration Section + */ + + /** + * The name of the directory where templates are located. + * + * @var string + */ + var $template_dir = 'templates'; + + /** + * The directory where compiled templates are located. + * + * @var string + */ + var $compile_dir = 'templates_c'; + + /** + * The directory where config files are located. + * + * @var string + */ + var $config_dir = 'configs'; + + /** + * An array of directories searched for plugins. + * + * @var array + */ + var $plugins_dir = array('plugins'); + + /** + * If debugging is enabled, a debug console window will display + * when the page loads (make sure your browser allows unrequested + * popup windows) + * + * @var boolean + */ + var $debugging = false; + + /** + * When set, smarty does uses this value as error_reporting-level. + * + * @var boolean + */ + var $error_reporting = null; + + /** + * This is the path to the debug console template. If not set, + * the default one will be used. + * + * @var string + */ + var $debug_tpl = ''; + + /** + * This determines if debugging is enable-able from the browser. + * <ul> + * <li>NONE => no debugging control allowed</li> + * <li>URL => enable debugging when SMARTY_DEBUG is found in the URL.</li> + * </ul> + * @link http://www.foo.dom/index.php?SMARTY_DEBUG + * @var string + */ + var $debugging_ctrl = 'NONE'; + + /** + * This tells Smarty whether to check for recompiling or not. Recompiling + * does not need to happen unless a template or config file is changed. + * Typically you enable this during development, and disable for + * production. + * + * @var boolean + */ + var $compile_check = true; + + /** + * This forces templates to compile every time. Useful for development + * or debugging. + * + * @var boolean + */ + var $force_compile = false; + + /** + * This enables template caching. + * <ul> + * <li>0 = no caching</li> + * <li>1 = use class cache_lifetime value</li> + * <li>2 = use cache_lifetime in cache file</li> + * </ul> + * @var integer + */ + var $caching = 0; + + /** + * The name of the directory for cache files. + * + * @var string + */ + var $cache_dir = 'cache'; + + /** + * This is the number of seconds cached content will persist. + * <ul> + * <li>0 = always regenerate cache</li> + * <li>-1 = never expires</li> + * </ul> + * + * @var integer + */ + var $cache_lifetime = 3600; + + /** + * Only used when $caching is enabled. If true, then If-Modified-Since headers + * are respected with cached content, and appropriate HTTP headers are sent. + * This way repeated hits to a cached page do not send the entire page to the + * client every time. + * + * @var boolean + */ + var $cache_modified_check = false; + + /** + * This determines how Smarty handles "<?php ... ?>" tags in templates. + * possible values: + * <ul> + * <li>SMARTY_PHP_PASSTHRU -> print tags as plain text</li> + * <li>SMARTY_PHP_QUOTE -> escape tags as entities</li> + * <li>SMARTY_PHP_REMOVE -> remove php tags</li> + * <li>SMARTY_PHP_ALLOW -> execute php tags</li> + * </ul> + * + * @var integer + */ + var $php_handling = SMARTY_PHP_PASSTHRU; + + /** + * This enables template security. When enabled, many things are restricted + * in the templates that normally would go unchecked. This is useful when + * untrusted parties are editing templates and you want a reasonable level + * of security. (no direct execution of PHP in templates for example) + * + * @var boolean + */ + var $security = false; + + /** + * This is the list of template directories that are considered secure. This + * is used only if {@link $security} is enabled. One directory per array + * element. {@link $template_dir} is in this list implicitly. + * + * @var array + */ + var $secure_dir = array(); + + /** + * These are the security settings for Smarty. They are used only when + * {@link $security} is enabled. + * + * @var array + */ + var $security_settings = array( + 'PHP_HANDLING' => false, + 'IF_FUNCS' => array('array', 'list', + 'isset', 'empty', + 'count', 'sizeof', + 'in_array', 'is_array', + 'true', 'false', 'null'), + 'INCLUDE_ANY' => false, + 'PHP_TAGS' => false, + 'MODIFIER_FUNCS' => array('count'), + 'ALLOW_CONSTANTS' => false + ); + + /** + * This is an array of directories where trusted php scripts reside. + * {@link $security} is disabled during their inclusion/execution. + * + * @var array + */ + var $trusted_dir = array(); + + /** + * The left delimiter used for the template tags. + * + * @var string + */ + var $left_delimiter = '{'; + + /** + * The right delimiter used for the template tags. + * + * @var string + */ + var $right_delimiter = '}'; + + /** + * The order in which request variables are registered, similar to + * variables_order in php.ini E = Environment, G = GET, P = POST, + * C = Cookies, S = Server + * + * @var string + */ + var $request_vars_order = 'EGPCS'; + + /** + * Indicates wether $HTTP_*_VARS[] (request_use_auto_globals=false) + * are uses as request-vars or $_*[]-vars. note: if + * request_use_auto_globals is true, then $request_vars_order has + * no effect, but the php-ini-value "gpc_order" + * + * @var boolean + */ + var $request_use_auto_globals = true; + + /** + * Set this if you want different sets of compiled files for the same + * templates. This is useful for things like different languages. + * Instead of creating separate sets of templates per language, you + * set different compile_ids like 'en' and 'de'. + * + * @var string + */ + var $compile_id = null; + + /** + * This tells Smarty whether or not to use sub dirs in the cache/ and + * templates_c/ directories. sub directories better organized, but + * may not work well with PHP safe mode enabled. + * + * @var boolean + * + */ + var $use_sub_dirs = false; + + /** + * This is a list of the modifiers to apply to all template variables. + * Put each modifier in a separate array element in the order you want + * them applied. example: <code>array('escape:"htmlall"');</code> + * + * @var array + */ + var $default_modifiers = array(); + + /** + * This is the resource type to be used when not specified + * at the beginning of the resource path. examples: + * $smarty->display('file:index.tpl'); + * $smarty->display('db:index.tpl'); + * $smarty->display('index.tpl'); // will use default resource type + * {include file="file:index.tpl"} + * {include file="db:index.tpl"} + * {include file="index.tpl"} {* will use default resource type *} + * + * @var array + */ + var $default_resource_type = 'file'; + + /** + * The function used for cache file handling. If not set, built-in caching is used. + * + * @var null|string function name + */ + var $cache_handler_func = null; + + /** + * This indicates which filters are automatically loaded into Smarty. + * + * @var array array of filter names + */ + var $autoload_filters = array(); + + /**#@+ + * @var boolean + */ + /** + * This tells if config file vars of the same name overwrite each other or not. + * if disabled, same name variables are accumulated in an array. + */ + var $config_overwrite = true; + + /** + * This tells whether or not to automatically booleanize config file variables. + * If enabled, then the strings "on", "true", and "yes" are treated as boolean + * true, and "off", "false" and "no" are treated as boolean false. + */ + var $config_booleanize = true; + + /** + * This tells whether hidden sections [.foobar] are readable from the + * tempalates or not. Normally you would never allow this since that is + * the point behind hidden sections: the application can access them, but + * the templates cannot. + */ + var $config_read_hidden = false; + + /** + * This tells whether or not automatically fix newlines in config files. + * It basically converts \r (mac) or \r\n (dos) to \n + */ + var $config_fix_newlines = true; + /**#@-*/ + + /** + * If a template cannot be found, this PHP function will be executed. + * Useful for creating templates on-the-fly or other special action. + * + * @var string function name + */ + var $default_template_handler_func = ''; + + /** + * The file that contains the compiler class. This can a full + * pathname, or relative to the php_include path. + * + * @var string + */ + var $compiler_file = 'Smarty_Compiler.class.php'; + + /** + * The class used for compiling templates. + * + * @var string + */ + var $compiler_class = 'Smarty_Compiler'; + + /** + * The class used to load config vars. + * + * @var string + */ + var $config_class = 'Config_File'; + +/**#@+ + * END Smarty Configuration Section + * There should be no need to touch anything below this line. + * @access private + */ + /** + * where assigned template vars are kept + * + * @var array + */ + var $_tpl_vars = array(); + + /** + * stores run-time $smarty.* vars + * + * @var null|array + */ + var $_smarty_vars = null; + + /** + * keeps track of sections + * + * @var array + */ + var $_sections = array(); + + /** + * keeps track of foreach blocks + * + * @var array + */ + var $_foreach = array(); + + /** + * keeps track of tag hierarchy + * + * @var array + */ + var $_tag_stack = array(); + + /** + * configuration object + * + * @var Config_file + */ + var $_conf_obj = null; + + /** + * loaded configuration settings + * + * @var array + */ + var $_config = array(array('vars' => array(), 'files' => array())); + + /** + * md5 checksum of the string 'Smarty' + * + * @var string + */ + var $_smarty_md5 = 'f8d698aea36fcbead2b9d5359ffca76f'; + + /** + * Smarty version number + * + * @var string + */ + var $_version = '2.6.19'; + + /** + * current template inclusion depth + * + * @var integer + */ + var $_inclusion_depth = 0; + + /** + * for different compiled templates + * + * @var string + */ + var $_compile_id = null; + + /** + * text in URL to enable debug mode + * + * @var string + */ + var $_smarty_debug_id = 'SMARTY_DEBUG'; + + /** + * debugging information for debug console + * + * @var array + */ + var $_smarty_debug_info = array(); + + /** + * info that makes up a cache file + * + * @var array + */ + var $_cache_info = array(); + + /** + * default file permissions + * + * @var integer + */ + var $_file_perms = 0644; + + /** + * default dir permissions + * + * @var integer + */ + var $_dir_perms = 0771; + + /** + * registered objects + * + * @var array + */ + var $_reg_objects = array(); + + /** + * table keeping track of plugins + * + * @var array + */ + var $_plugins = array( + 'modifier' => array(), + 'function' => array(), + 'block' => array(), + 'compiler' => array(), + 'prefilter' => array(), + 'postfilter' => array(), + 'outputfilter' => array(), + 'resource' => array(), + 'insert' => array()); + + + /** + * cache serials + * + * @var array + */ + var $_cache_serials = array(); + + /** + * name of optional cache include file + * + * @var string + */ + var $_cache_include = null; + + /** + * indicate if the current code is used in a compiled + * include + * + * @var string + */ + var $_cache_including = false; + + /**#@-*/ + /** + * The class constructor. + */ + function Smarty() + { + $this->assign('SCRIPT_NAME', isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME'] + : @$GLOBALS['HTTP_SERVER_VARS']['SCRIPT_NAME']); + } + + /** + * assigns values to template variables + * + * @param array|string $tpl_var the template variable name(s) + * @param mixed $value the value to assign + */ + function assign($tpl_var, $value = null) + { + if (is_array($tpl_var)){ + foreach ($tpl_var as $key => $val) { + if ($key != '') { + $this->_tpl_vars[$key] = $val; + } + } + } else { + if ($tpl_var != '') + $this->_tpl_vars[$tpl_var] = $value; + } + } + + /** + * assigns values to template variables by reference + * + * @param string $tpl_var the template variable name + * @param mixed $value the referenced value to assign + */ + function assign_by_ref($tpl_var, &$value) + { + if ($tpl_var != '') + $this->_tpl_vars[$tpl_var] = &$value; + } + + /** + * appends values to template variables + * + * @param array|string $tpl_var the template variable name(s) + * @param mixed $value the value to append + */ + function append($tpl_var, $value=null, $merge=false) + { + if (is_array($tpl_var)) { + // $tpl_var is an array, ignore $value + foreach ($tpl_var as $_key => $_val) { + if ($_key != '') { + if(!@is_array($this->_tpl_vars[$_key])) { + settype($this->_tpl_vars[$_key],'array'); + } + if($merge && is_array($_val)) { + foreach($_val as $_mkey => $_mval) { + $this->_tpl_vars[$_key][$_mkey] = $_mval; + } + } else { + $this->_tpl_vars[$_key][] = $_val; + } + } + } + } else { + if ($tpl_var != '' && isset($value)) { + if(!@is_array($this->_tpl_vars[$tpl_var])) { + settype($this->_tpl_vars[$tpl_var],'array'); + } + if($merge && is_array($value)) { + foreach($value as $_mkey => $_mval) { + $this->_tpl_vars[$tpl_var][$_mkey] = $_mval; + } + } else { + $this->_tpl_vars[$tpl_var][] = $value; + } + } + } + } + + /** + * appends values to template variables by reference + * + * @param string $tpl_var the template variable name + * @param mixed $value the referenced value to append + */ + function append_by_ref($tpl_var, &$value, $merge=false) + { + if ($tpl_var != '' && isset($value)) { + if(!@is_array($this->_tpl_vars[$tpl_var])) { + settype($this->_tpl_vars[$tpl_var],'array'); + } + if ($merge && is_array($value)) { + foreach($value as $_key => $_val) { + $this->_tpl_vars[$tpl_var][$_key] = &$value[$_key]; + } + } else { + $this->_tpl_vars[$tpl_var][] = &$value; + } + } + } + + + /** + * clear the given assigned template variable. + * + * @param string $tpl_var the template variable to clear + */ + function clear_assign($tpl_var) + { + if (is_array($tpl_var)) + foreach ($tpl_var as $curr_var) + unset($this->_tpl_vars[$curr_var]); + else + unset($this->_tpl_vars[$tpl_var]); + } + + + /** + * Registers custom function to be used in templates + * + * @param string $function the name of the template function + * @param string $function_impl the name of the PHP function to register + */ + function register_function($function, $function_impl, $cacheable=true, $cache_attrs=null) + { + $this->_plugins['function'][$function] = + array($function_impl, null, null, false, $cacheable, $cache_attrs); + + } + + /** + * Unregisters custom function + * + * @param string $function name of template function + */ + function unregister_function($function) + { + unset($this->_plugins['function'][$function]); + } + + /** + * 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 null|array $allowed list of allowed methods (empty = all) + * @param boolean $smarty_args smarty argument format, else traditional + * @param null|array $block_functs list of methods that are block format + */ + function register_object($object, &$object_impl, $allowed = array(), $smarty_args = true, $block_methods = array()) + { + settype($allowed, 'array'); + settype($smarty_args, 'boolean'); + $this->_reg_objects[$object] = + array(&$object_impl, $allowed, $smarty_args, $block_methods); + } + + /** + * Unregisters object + * + * @param string $object name of template object + */ + function unregister_object($object) + { + unset($this->_reg_objects[$object]); + } + + + /** + * Registers block function to be used in templates + * + * @param string $block name of template block + * @param string $block_impl PHP function to register + */ + function register_block($block, $block_impl, $cacheable=true, $cache_attrs=null) + { + $this->_plugins['block'][$block] = + array($block_impl, null, null, false, $cacheable, $cache_attrs); + } + + /** + * Unregisters block function + * + * @param string $block name of template function + */ + function unregister_block($block) + { + unset($this->_plugins['block'][$block]); + } + + /** + * Registers compiler function + * + * @param string $function name of template function + * @param string $function_impl name of PHP function to register + */ + function register_compiler_function($function, $function_impl, $cacheable=true) + { + $this->_plugins['compiler'][$function] = + array($function_impl, null, null, false, $cacheable); + } + + /** + * Unregisters compiler function + * + * @param string $function name of template function + */ + function unregister_compiler_function($function) + { + unset($this->_plugins['compiler'][$function]); + } + + /** + * Registers modifier to be used in templates + * + * @param string $modifier name of template modifier + * @param string $modifier_impl name of PHP function to register + */ + function register_modifier($modifier, $modifier_impl) + { + $this->_plugins['modifier'][$modifier] = + array($modifier_impl, null, null, false); + } + + /** + * Unregisters modifier + * + * @param string $modifier name of template modifier + */ + function unregister_modifier($modifier) + { + unset($this->_plugins['modifier'][$modifier]); + } + + /** + * Registers a resource to fetch a template + * + * @param string $type name of resource + * @param array $functions array of functions to handle resource + */ + function register_resource($type, $functions) + { + if (count($functions)==4) { + $this->_plugins['resource'][$type] = + array($functions, false); + + } elseif (count($functions)==5) { + $this->_plugins['resource'][$type] = + array(array(array(&$functions[0], $functions[1]) + ,array(&$functions[0], $functions[2]) + ,array(&$functions[0], $functions[3]) + ,array(&$functions[0], $functions[4])) + ,false); + + } else { + $this->trigger_error("malformed function-list for '$type' in register_resource"); + + } + } + + /** + * Unregisters a resource + * + * @param string $type name of resource + */ + function unregister_resource($type) + { + unset($this->_plugins['resource'][$type]); + } + + /** + * Registers a prefilter function to apply + * to a template before compiling + * + * @param callback $function + */ + function register_prefilter($function) + { + $this->_plugins['prefilter'][$this->_get_filter_name($function)] + = array($function, null, null, false); + } + + /** + * Unregisters a prefilter function + * + * @param callback $function + */ + function unregister_prefilter($function) + { + unset($this->_plugins['prefilter'][$this->_get_filter_name($function)]); + } + + /** + * Registers a postfilter function to apply + * to a compiled template after compilation + * + * @param callback $function + */ + function register_postfilter($function) + { + $this->_plugins['postfilter'][$this->_get_filter_name($function)] + = array($function, null, null, false); + } + + /** + * Unregisters a postfilter function + * + * @param callback $function + */ + function unregister_postfilter($function) + { + unset($this->_plugins['postfilter'][$this->_get_filter_name($function)]); + } + + /** + * Registers an output filter function to apply + * to a template output + * + * @param callback $function + */ + function register_outputfilter($function) + { + $this->_plugins['outputfilter'][$this->_get_filter_name($function)] + = array($function, null, null, false); + } + + /** + * Unregisters an outputfilter function + * + * @param callback $function + */ + function unregister_outputfilter($function) + { + unset($this->_plugins['outputfilter'][$this->_get_filter_name($function)]); + } + + /** + * load a filter of specified type and name + * + * @param string $type filter type + * @param string $name filter name + */ + function load_filter($type, $name) + { + switch ($type) { + case 'output': + $_params = array('plugins' => array(array($type . 'filter', $name, null, null, false))); + require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); + smarty_core_load_plugins($_params, $this); + break; + + case 'pre': + case 'post': + if (!isset($this->_plugins[$type . 'filter'][$name])) + $this->_plugins[$type . 'filter'][$name] = false; + break; + } + } + + /** + * clear cached content for the given template and cache id + * + * @param string $tpl_file name of template file + * @param string $cache_id name of cache_id + * @param string $compile_id name of compile_id + * @param string $exp_time expiration time + * @return boolean + */ + function clear_cache($tpl_file = null, $cache_id = null, $compile_id = null, $exp_time = null) + { + + if (!isset($compile_id)) + $compile_id = $this->compile_id; + + if (!isset($tpl_file)) + $compile_id = null; + + $_auto_id = $this->_get_auto_id($cache_id, $compile_id); + + if (!empty($this->cache_handler_func)) { + return call_user_func_array($this->cache_handler_func, + array('clear', &$this, &$dummy, $tpl_file, $cache_id, $compile_id, $exp_time)); + } else { + $_params = array('auto_base' => $this->cache_dir, + 'auto_source' => $tpl_file, + 'auto_id' => $_auto_id, + 'exp_time' => $exp_time); + require_once(SMARTY_CORE_DIR . 'core.rm_auto.php'); + return smarty_core_rm_auto($_params, $this); + } + + } + + + /** + * clear the entire contents of cache (all templates) + * + * @param string $exp_time expire time + * @return boolean results of {@link smarty_core_rm_auto()} + */ + function clear_all_cache($exp_time = null) + { + return $this->clear_cache(null, null, null, $exp_time); + } + + + /** + * test to see if valid cache exists for this template + * + * @param string $tpl_file name of template file + * @param string $cache_id + * @param string $compile_id + * @return string|false results of {@link _read_cache_file()} + */ + function is_cached($tpl_file, $cache_id = null, $compile_id = null) + { + if (!$this->caching) + return false; + + if (!isset($compile_id)) + $compile_id = $this->compile_id; + + $_params = array( + 'tpl_file' => $tpl_file, + 'cache_id' => $cache_id, + 'compile_id' => $compile_id + ); + require_once(SMARTY_CORE_DIR . 'core.read_cache_file.php'); + return smarty_core_read_cache_file($_params, $this); + } + + + /** + * clear all the assigned template variables. + * + */ + function clear_all_assign() + { + $this->_tpl_vars = array(); + } + + /** + * clears compiled version of specified template resource, + * or all compiled template files if one is not specified. + * This function is for advanced use only, not normally needed. + * + * @param string $tpl_file + * @param string $compile_id + * @param string $exp_time + * @return boolean results of {@link smarty_core_rm_auto()} + */ + function clear_compiled_tpl($tpl_file = null, $compile_id = null, $exp_time = null) + { + if (!isset($compile_id)) { + $compile_id = $this->compile_id; + } + $_params = array('auto_base' => $this->compile_dir, + 'auto_source' => $tpl_file, + 'auto_id' => $compile_id, + 'exp_time' => $exp_time, + 'extensions' => array('.inc', '.php')); + require_once(SMARTY_CORE_DIR . 'core.rm_auto.php'); + return smarty_core_rm_auto($_params, $this); + } + + /** + * Checks whether requested template exists. + * + * @param string $tpl_file + * @return boolean + */ + function template_exists($tpl_file) + { + $_params = array('resource_name' => $tpl_file, 'quiet'=>true, 'get_source'=>false); + return $this->_fetch_resource_info($_params); + } + + /** + * Returns an array containing template variables + * + * @param string $name + * @param string $type + * @return array + */ + function &get_template_vars($name=null) + { + if(!isset($name)) { + return $this->_tpl_vars; + } elseif(isset($this->_tpl_vars[$name])) { + return $this->_tpl_vars[$name]; + } else { + // var non-existant, return valid reference + $_tmp = null; + return $_tmp; + } + } + + /** + * Returns an array containing config variables + * + * @param string $name + * @param string $type + * @return array + */ + function &get_config_vars($name=null) + { + if(!isset($name) && is_array($this->_config[0])) { + return $this->_config[0]['vars']; + } else if(isset($this->_config[0]['vars'][$name])) { + return $this->_config[0]['vars'][$name]; + } else { + // var non-existant, return valid reference + $_tmp = null; + return $_tmp; + } + } + + /** + * trigger Smarty error + * + * @param string $error_msg + * @param integer $error_type + */ + function trigger_error($error_msg, $error_type = E_USER_WARNING) + { + trigger_error("Smarty error: $error_msg", $error_type); + } + + + /** + * executes & displays the template results + * + * @param string $resource_name + * @param string $cache_id + * @param string $compile_id + */ + function display($resource_name, $cache_id = null, $compile_id = null) + { + $this->fetch($resource_name, $cache_id, $compile_id, true); + } + + /** + * executes & returns or displays the template results + * + * @param string $resource_name + * @param string $cache_id + * @param string $compile_id + * @param boolean $display + */ + function fetch($resource_name, $cache_id = null, $compile_id = null, $display = false) + { + static $_cache_info = array(); + + $_smarty_old_error_level = $this->debugging ? error_reporting() : error_reporting(isset($this->error_reporting) + ? $this->error_reporting : error_reporting() & ~E_NOTICE); + + if (!$this->debugging && $this->debugging_ctrl == 'URL') { + $_query_string = $this->request_use_auto_globals ? $_SERVER['QUERY_STRING'] : $GLOBALS['HTTP_SERVER_VARS']['QUERY_STRING']; + if (@strstr($_query_string, $this->_smarty_debug_id)) { + if (@strstr($_query_string, $this->_smarty_debug_id . '=on')) { + // enable debugging for this browser session + @setcookie('SMARTY_DEBUG', true); + $this->debugging = true; + } elseif (@strstr($_query_string, $this->_smarty_debug_id . '=off')) { + // disable debugging for this browser session + @setcookie('SMARTY_DEBUG', false); + $this->debugging = false; + } else { + // enable debugging for this page + $this->debugging = true; + } + } else { + $this->debugging = (bool)($this->request_use_auto_globals ? @$_COOKIE['SMARTY_DEBUG'] : @$GLOBALS['HTTP_COOKIE_VARS']['SMARTY_DEBUG']); + } + } + + if ($this->debugging) { + // capture time for debugging info + $_params = array(); + require_once(SMARTY_CORE_DIR . 'core.get_microtime.php'); + $_debug_start_time = smarty_core_get_microtime($_params, $this); + $this->_smarty_debug_info[] = array('type' => 'template', + 'filename' => $resource_name, + 'depth' => 0); + $_included_tpls_idx = count($this->_smarty_debug_info) - 1; + } + + if (!isset($compile_id)) { + $compile_id = $this->compile_id; + } + + $this->_compile_id = $compile_id; + $this->_inclusion_depth = 0; + + if ($this->caching) { + // save old cache_info, initialize cache_info + array_push($_cache_info, $this->_cache_info); + $this->_cache_info = array(); + $_params = array( + 'tpl_file' => $resource_name, + 'cache_id' => $cache_id, + 'compile_id' => $compile_id, + 'results' => null + ); + require_once(SMARTY_CORE_DIR . 'core.read_cache_file.php'); + if (smarty_core_read_cache_file($_params, $this)) { + $_smarty_results = $_params['results']; + if (!empty($this->_cache_info['insert_tags'])) { + $_params = array('plugins' => $this->_cache_info['insert_tags']); + require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); + smarty_core_load_plugins($_params, $this); + $_params = array('results' => $_smarty_results); + require_once(SMARTY_CORE_DIR . 'core.process_cached_inserts.php'); + $_smarty_results = smarty_core_process_cached_inserts($_params, $this); + } + if (!empty($this->_cache_info['cache_serials'])) { + $_params = array('results' => $_smarty_results); + require_once(SMARTY_CORE_DIR . 'core.process_compiled_include.php'); + $_smarty_results = smarty_core_process_compiled_include($_params, $this); + } + + + if ($display) { + if ($this->debugging) + { + // capture time for debugging info + $_params = array(); + require_once(SMARTY_CORE_DIR . 'core.get_microtime.php'); + $this->_smarty_debug_info[$_included_tpls_idx]['exec_time'] = smarty_core_get_microtime($_params, $this) - $_debug_start_time; + require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php'); + $_smarty_results .= smarty_core_display_debug_console($_params, $this); + } + if ($this->cache_modified_check) { + $_server_vars = ($this->request_use_auto_globals) ? $_SERVER : $GLOBALS['HTTP_SERVER_VARS']; + $_last_modified_date = @substr($_server_vars['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_server_vars['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3); + $_gmt_mtime = gmdate('D, d M Y H:i:s', $this->_cache_info['timestamp']).' GMT'; + if (@count($this->_cache_info['insert_tags']) == 0 + && !$this->_cache_serials + && $_gmt_mtime == $_last_modified_date) { + if (php_sapi_name()=='cgi') + header('Status: 304 Not Modified'); + else + header('HTTP/1.1 304 Not Modified'); + + } else { + header('Last-Modified: '.$_gmt_mtime); + echo $_smarty_results; + } + } else { + echo $_smarty_results; + } + error_reporting($_smarty_old_error_level); + // restore initial cache_info + $this->_cache_info = array_pop($_cache_info); + return true; + } else { + error_reporting($_smarty_old_error_level); + // restore initial cache_info + $this->_cache_info = array_pop($_cache_info); + return $_smarty_results; + } + } else { + $this->_cache_info['template'][$resource_name] = true; + if ($this->cache_modified_check && $display) { + header('Last-Modified: '.gmdate('D, d M Y H:i:s', time()).' GMT'); + } + } + } + + // load filters that are marked as autoload + if (count($this->autoload_filters)) { + foreach ($this->autoload_filters as $_filter_type => $_filters) { + foreach ($_filters as $_filter) { + $this->load_filter($_filter_type, $_filter); + } + } + } + + $_smarty_compile_path = $this->_get_compile_path($resource_name); + + // if we just need to display the results, don't perform output + // buffering - for speed + $_cache_including = $this->_cache_including; + $this->_cache_including = false; + if ($display && !$this->caching && count($this->_plugins['outputfilter']) == 0) { + if ($this->_is_compiled($resource_name, $_smarty_compile_path) + || $this->_compile_resource($resource_name, $_smarty_compile_path)) + { + include($_smarty_compile_path); + } + } else { + ob_start(); + if ($this->_is_compiled($resource_name, $_smarty_compile_path) + || $this->_compile_resource($resource_name, $_smarty_compile_path)) + { + include($_smarty_compile_path); + } + $_smarty_results = ob_get_contents(); + ob_end_clean(); + + foreach ((array)$this->_plugins['outputfilter'] as $_output_filter) { + $_smarty_results = call_user_func_array($_output_filter[0], array($_smarty_results, &$this)); + } + } + + if ($this->caching) { + $_params = array('tpl_file' => $resource_name, + 'cache_id' => $cache_id, + 'compile_id' => $compile_id, + 'results' => $_smarty_results); + require_once(SMARTY_CORE_DIR . 'core.write_cache_file.php'); + smarty_core_write_cache_file($_params, $this); + require_once(SMARTY_CORE_DIR . 'core.process_cached_inserts.php'); + $_smarty_results = smarty_core_process_cached_inserts($_params, $this); + + if ($this->_cache_serials) { + // strip nocache-tags from output + $_smarty_results = preg_replace('!(\{/?nocache\:[0-9a-f]{32}#\d+\})!s' + ,'' + ,$_smarty_results); + } + // restore initial cache_info + $this->_cache_info = array_pop($_cache_info); + } + $this->_cache_including = $_cache_including; + + if ($display) { + if (isset($_smarty_results)) { echo $_smarty_results; } + if ($this->debugging) { + // capture time for debugging info + $_params = array(); + require_once(SMARTY_CORE_DIR . 'core.get_microtime.php'); + $this->_smarty_debug_info[$_included_tpls_idx]['exec_time'] = (smarty_core_get_microtime($_params, $this) - $_debug_start_time); + require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php'); + echo smarty_core_display_debug_console($_params, $this); + } + error_reporting($_smarty_old_error_level); + return; + } else { + error_reporting($_smarty_old_error_level); + if (isset($_smarty_results)) { return $_smarty_results; } + } + } + + /** + * load configuration values + * + * @param string $file + * @param string $section + * @param string $scope + */ + function config_load($file, $section = null, $scope = 'global') + { + require_once($this->_get_plugin_filepath('function', 'config_load')); + smarty_function_config_load(array('file' => $file, 'section' => $section, 'scope' => $scope), $this); + } + + /** + * return a reference to a registered object + * + * @param string $name + * @return object + */ + function &get_registered_object($name) { + if (!isset($this->_reg_objects[$name])) + $this->_trigger_fatal_error("'$name' is not a registered object"); + + if (!is_object($this->_reg_objects[$name][0])) + $this->_trigger_fatal_error("registered '$name' is not an object"); + + return $this->_reg_objects[$name][0]; + } + + /** + * clear configuration values + * + * @param string $var + */ + function clear_config($var = null) + { + if(!isset($var)) { + // clear all values + $this->_config = array(array('vars' => array(), + 'files' => array())); + } else { + unset($this->_config[0]['vars'][$var]); + } + } + + /** + * get filepath of requested plugin + * + * @param string $type + * @param string $name + * @return string|false + */ + function _get_plugin_filepath($type, $name) + { + $_params = array('type' => $type, 'name' => $name); + require_once(SMARTY_CORE_DIR . 'core.assemble_plugin_filepath.php'); + return smarty_core_assemble_plugin_filepath($_params, $this); + } + + /** + * test if resource needs compiling + * + * @param string $resource_name + * @param string $compile_path + * @return boolean + */ + function _is_compiled($resource_name, $compile_path) + { + if (!$this->force_compile && file_exists($compile_path)) { + if (!$this->compile_check) { + // no need to check compiled file + return true; + } else { + // get file source and timestamp + $_params = array('resource_name' => $resource_name, 'get_source'=>false); + if (!$this->_fetch_resource_info($_params)) { + return false; + } + if ($_params['resource_timestamp'] <= filemtime($compile_path)) { + // template not expired, no recompile + return true; + } else { + // compile template + return false; + } + } + } else { + // compiled template does not exist, or forced compile + return false; + } + } + + /** + * compile the template + * + * @param string $resource_name + * @param string $compile_path + * @return boolean + */ + function _compile_resource($resource_name, $compile_path) + { + + $_params = array('resource_name' => $resource_name); + if (!$this->_fetch_resource_info($_params)) { + return false; + } + + $_source_content = $_params['source_content']; + $_cache_include = substr($compile_path, 0, -4).'.inc'; + + if ($this->_compile_source($resource_name, $_source_content, $_compiled_content, $_cache_include)) { + // if a _cache_serial was set, we also have to write an include-file: + if ($this->_cache_include_info) { + require_once(SMARTY_CORE_DIR . 'core.write_compiled_include.php'); + smarty_core_write_compiled_include(array_merge($this->_cache_include_info, array('compiled_content'=>$_compiled_content, 'resource_name'=>$resource_name)), $this); + } + + $_params = array('compile_path'=>$compile_path, 'compiled_content' => $_compiled_content); + require_once(SMARTY_CORE_DIR . 'core.write_compiled_resource.php'); + smarty_core_write_compiled_resource($_params, $this); + + return true; + } else { + return false; + } + + } + + /** + * compile the given source + * + * @param string $resource_name + * @param string $source_content + * @param string $compiled_content + * @return boolean + */ + function _compile_source($resource_name, &$source_content, &$compiled_content, $cache_include_path=null) + { + if (file_exists(SMARTY_DIR . $this->compiler_file)) { + require_once(SMARTY_DIR . $this->compiler_file); + } else { + // use include_path + require_once($this->compiler_file); + } + + + $smarty_compiler = new $this->compiler_class; + + $smarty_compiler->template_dir = $this->template_dir; + $smarty_compiler->compile_dir = $this->compile_dir; + $smarty_compiler->plugins_dir = $this->plugins_dir; + $smarty_compiler->config_dir = $this->config_dir; + $smarty_compiler->force_compile = $this->force_compile; + $smarty_compiler->caching = $this->caching; + $smarty_compiler->php_handling = $this->php_handling; + $smarty_compiler->left_delimiter = $this->left_delimiter; + $smarty_compiler->right_delimiter = $this->right_delimiter; + $smarty_compiler->_version = $this->_version; + $smarty_compiler->security = $this->security; + $smarty_compiler->secure_dir = $this->secure_dir; + $smarty_compiler->security_settings = $this->security_settings; + $smarty_compiler->trusted_dir = $this->trusted_dir; + $smarty_compiler->use_sub_dirs = $this->use_sub_dirs; + $smarty_compiler->_reg_objects = &$this->_reg_objects; + $smarty_compiler->_plugins = &$this->_plugins; + $smarty_compiler->_tpl_vars = &$this->_tpl_vars; + $smarty_compiler->default_modifiers = $this->default_modifiers; + $smarty_compiler->compile_id = $this->_compile_id; + $smarty_compiler->_config = $this->_config; + $smarty_compiler->request_use_auto_globals = $this->request_use_auto_globals; + + if (isset($cache_include_path) && isset($this->_cache_serials[$cache_include_path])) { + $smarty_compiler->_cache_serial = $this->_cache_serials[$cache_include_path]; + } + $smarty_compiler->_cache_include = $cache_include_path; + + + $_results = $smarty_compiler->_compile_file($resource_name, $source_content, $compiled_content); + + if ($smarty_compiler->_cache_serial) { + $this->_cache_include_info = array( + 'cache_serial'=>$smarty_compiler->_cache_serial + ,'plugins_code'=>$smarty_compiler->_plugins_code + ,'include_file_path' => $cache_include_path); + + } else { + $this->_cache_include_info = null; + + } + + return $_results; + } + + /** + * Get the compile path for this resource + * + * @param string $resource_name + * @return string results of {@link _get_auto_filename()} + */ + function _get_compile_path($resource_name) + { + return $this->_get_auto_filename($this->compile_dir, $resource_name, + $this->_compile_id) . '.php'; + } + + /** + * fetch the template info. Gets timestamp, and source + * if get_source is true + * + * sets $source_content to the source of the template, and + * $resource_timestamp to its time stamp + * @param string $resource_name + * @param string $source_content + * @param integer $resource_timestamp + * @param boolean $get_source + * @param boolean $quiet + * @return boolean + */ + + function _fetch_resource_info(&$params) + { + if(!isset($params['get_source'])) { $params['get_source'] = true; } + if(!isset($params['quiet'])) { $params['quiet'] = false; } + + $_return = false; + $_params = array('resource_name' => $params['resource_name']) ; + if (isset($params['resource_base_path'])) + $_params['resource_base_path'] = $params['resource_base_path']; + else + $_params['resource_base_path'] = $this->template_dir; + + if ($this->_parse_resource_name($_params)) { + $_resource_type = $_params['resource_type']; + $_resource_name = $_params['resource_name']; + switch ($_resource_type) { + case 'file': + if ($params['get_source']) { + $params['source_content'] = $this->_read_file($_resource_name); + } + $params['resource_timestamp'] = filemtime($_resource_name); + $_return = is_file($_resource_name); + break; + + default: + // call resource functions to fetch the template source and timestamp + if ($params['get_source']) { + $_source_return = isset($this->_plugins['resource'][$_resource_type]) && + call_user_func_array($this->_plugins['resource'][$_resource_type][0][0], + array($_resource_name, &$params['source_content'], &$this)); + } else { + $_source_return = true; + } + + $_timestamp_return = isset($this->_plugins['resource'][$_resource_type]) && + call_user_func_array($this->_plugins['resource'][$_resource_type][0][1], + array($_resource_name, &$params['resource_timestamp'], &$this)); + + $_return = $_source_return && $_timestamp_return; + break; + } + } + + if (!$_return) { + // see if we can get a template with the default template handler + if (!empty($this->default_template_handler_func)) { + if (!is_callable($this->default_template_handler_func)) { + $this->trigger_error("default template handler function \"$this->default_template_handler_func\" doesn't exist."); + } else { + $_return = call_user_func_array( + $this->default_template_handler_func, + array($_params['resource_type'], $_params['resource_name'], &$params['source_content'], &$params['resource_timestamp'], &$this)); + } + } + } + + if (!$_return) { + if (!$params['quiet']) { + $this->trigger_error('unable to read resource: "' . $params['resource_name'] . '"'); + } + } else if ($_return && $this->security) { + require_once(SMARTY_CORE_DIR . 'core.is_secure.php'); + if (!smarty_core_is_secure($_params, $this)) { + if (!$params['quiet']) + $this->trigger_error('(secure mode) accessing "' . $params['resource_name'] . '" is not allowed'); + $params['source_content'] = null; + $params['resource_timestamp'] = null; + return false; + } + } + return $_return; + } + + + /** + * parse out the type and name from the resource + * + * @param string $resource_base_path + * @param string $resource_name + * @param string $resource_type + * @param string $resource_name + * @return boolean + */ + + function _parse_resource_name(&$params) + { + + // split tpl_path by the first colon + $_resource_name_parts = explode(':', $params['resource_name'], 2); + + if (count($_resource_name_parts) == 1) { + // no resource type given + $params['resource_type'] = $this->default_resource_type; + $params['resource_name'] = $_resource_name_parts[0]; + } else { + if(strlen($_resource_name_parts[0]) == 1) { + // 1 char is not resource type, but part of filepath + $params['resource_type'] = $this->default_resource_type; + $params['resource_name'] = $params['resource_name']; + } else { + $params['resource_type'] = $_resource_name_parts[0]; + $params['resource_name'] = $_resource_name_parts[1]; + } + } + + if ($params['resource_type'] == 'file') { + if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $params['resource_name'])) { + // relative pathname to $params['resource_base_path'] + // use the first directory where the file is found + foreach ((array)$params['resource_base_path'] as $_curr_path) { + $_fullpath = $_curr_path . DIRECTORY_SEPARATOR . $params['resource_name']; + if (file_exists($_fullpath) && is_file($_fullpath)) { + $params['resource_name'] = $_fullpath; + return true; + } + // didn't find the file, try include_path + $_params = array('file_path' => $_fullpath); + require_once(SMARTY_CORE_DIR . 'core.get_include_path.php'); + if(smarty_core_get_include_path($_params, $this)) { + $params['resource_name'] = $_params['new_file_path']; + return true; + } + } + return false; + } else { + /* absolute path */ + return file_exists($params['resource_name']); + } + } elseif (empty($this->_plugins['resource'][$params['resource_type']])) { + $_params = array('type' => $params['resource_type']); + require_once(SMARTY_CORE_DIR . 'core.load_resource_plugin.php'); + smarty_core_load_resource_plugin($_params, $this); + } + + return true; + } + + + /** + * Handle modifiers + * + * @param string|null $modifier_name + * @param array|null $map_array + * @return string result of modifiers + */ + function _run_mod_handler() + { + $_args = func_get_args(); + list($_modifier_name, $_map_array) = array_splice($_args, 0, 2); + list($_func_name, $_tpl_file, $_tpl_line) = + $this->_plugins['modifier'][$_modifier_name]; + + $_var = $_args[0]; + foreach ($_var as $_key => $_val) { + $_args[0] = $_val; + $_var[$_key] = call_user_func_array($_func_name, $_args); + } + return $_var; + } + + /** + * Remove starting and ending quotes from the string + * + * @param string $string + * @return string + */ + function _dequote($string) + { + if ((substr($string, 0, 1) == "'" || substr($string, 0, 1) == '"') && + substr($string, -1) == substr($string, 0, 1)) + return substr($string, 1, -1); + else + return $string; + } + + + /** + * read in a file + * + * @param string $filename + * @return string + */ + function _read_file($filename) + { + if ( file_exists($filename) && ($fd = @fopen($filename, 'rb')) ) { + $contents = ''; + while (!feof($fd)) { + $contents .= fread($fd, 8192); + } + fclose($fd); + return $contents; + } else { + return false; + } + } + + /** + * get a concrete filename for automagically created content + * + * @param string $auto_base + * @param string $auto_source + * @param string $auto_id + * @return string + * @staticvar string|null + * @staticvar string|null + */ + function _get_auto_filename($auto_base, $auto_source = null, $auto_id = null) + { + $_compile_dir_sep = $this->use_sub_dirs ? DIRECTORY_SEPARATOR : '^'; + $_return = $auto_base . DIRECTORY_SEPARATOR; + + if(isset($auto_id)) { + // make auto_id safe for directory names + $auto_id = str_replace('%7C',$_compile_dir_sep,(urlencode($auto_id))); + // split into separate directories + $_return .= $auto_id . $_compile_dir_sep; + } + + if(isset($auto_source)) { + // make source name safe for filename + $_filename = urlencode(basename($auto_source)); + $_crc32 = sprintf('%08X', crc32($auto_source)); + // prepend %% to avoid name conflicts with + // with $params['auto_id'] names + $_crc32 = substr($_crc32, 0, 2) . $_compile_dir_sep . + substr($_crc32, 0, 3) . $_compile_dir_sep . $_crc32; + $_return .= '%%' . $_crc32 . '%%' . $_filename; + } + + return $_return; + } + + /** + * unlink a file, possibly using expiration time + * + * @param string $resource + * @param integer $exp_time + */ + function _unlink($resource, $exp_time = null) + { + if(isset($exp_time)) { + if(time() - @filemtime($resource) >= $exp_time) { + return @unlink($resource); + } + } else { + return @unlink($resource); + } + } + + /** + * returns an auto_id for auto-file-functions + * + * @param string $cache_id + * @param string $compile_id + * @return string|null + */ + function _get_auto_id($cache_id=null, $compile_id=null) { + if (isset($cache_id)) + return (isset($compile_id)) ? $cache_id . '|' . $compile_id : $cache_id; + elseif(isset($compile_id)) + return $compile_id; + else + return null; + } + + /** + * trigger Smarty plugin error + * + * @param string $error_msg + * @param string $tpl_file + * @param integer $tpl_line + * @param string $file + * @param integer $line + * @param integer $error_type + */ + function _trigger_fatal_error($error_msg, $tpl_file = null, $tpl_line = null, + $file = null, $line = null, $error_type = E_USER_ERROR) + { + if(isset($file) && isset($line)) { + $info = ' ('.basename($file).", line $line)"; + } else { + $info = ''; + } + if (isset($tpl_line) && isset($tpl_file)) { + $this->trigger_error('[in ' . $tpl_file . ' line ' . $tpl_line . "]: $error_msg$info", $error_type); + } else { + $this->trigger_error($error_msg . $info, $error_type); + } + } + + + /** + * callback function for preg_replace, to call a non-cacheable block + * @return string + */ + function _process_compiled_include_callback($match) { + $_func = '_smarty_tplfunc_'.$match[2].'_'.$match[3]; + ob_start(); + $_func($this); + $_ret = ob_get_contents(); + ob_end_clean(); + return $_ret; + } + + + /** + * called for included templates + * + * @param string $_smarty_include_tpl_file + * @param string $_smarty_include_vars + */ + + // $_smarty_include_tpl_file, $_smarty_include_vars + + function _smarty_include($params) + { + if ($this->debugging) { + $_params = array(); + require_once(SMARTY_CORE_DIR . 'core.get_microtime.php'); + $debug_start_time = smarty_core_get_microtime($_params, $this); + $this->_smarty_debug_info[] = array('type' => 'template', + 'filename' => $params['smarty_include_tpl_file'], + 'depth' => ++$this->_inclusion_depth); + $included_tpls_idx = count($this->_smarty_debug_info) - 1; + } + + $this->_tpl_vars = array_merge($this->_tpl_vars, $params['smarty_include_vars']); + + // config vars are treated as local, so push a copy of the + // current ones onto the front of the stack + array_unshift($this->_config, $this->_config[0]); + + $_smarty_compile_path = $this->_get_compile_path($params['smarty_include_tpl_file']); + + + if ($this->_is_compiled($params['smarty_include_tpl_file'], $_smarty_compile_path) + || $this->_compile_resource($params['smarty_include_tpl_file'], $_smarty_compile_path)) + { + include($_smarty_compile_path); + } + + // pop the local vars off the front of the stack + array_shift($this->_config); + + $this->_inclusion_depth--; + + if ($this->debugging) { + // capture time for debugging info + $_params = array(); + require_once(SMARTY_CORE_DIR . 'core.get_microtime.php'); + $this->_smarty_debug_info[$included_tpls_idx]['exec_time'] = smarty_core_get_microtime($_params, $this) - $debug_start_time; + } + + if ($this->caching) { + $this->_cache_info['template'][$params['smarty_include_tpl_file']] = true; + } + } + + + /** + * get or set an array of cached attributes for function that is + * not cacheable + * @return array + */ + function &_smarty_cache_attrs($cache_serial, $count) { + $_cache_attrs =& $this->_cache_info['cache_attrs'][$cache_serial][$count]; + + if ($this->_cache_including) { + /* return next set of cache_attrs */ + $_return = current($_cache_attrs); + next($_cache_attrs); + return $_return; + + } else { + /* add a reference to a new set of cache_attrs */ + $_cache_attrs[] = array(); + return $_cache_attrs[count($_cache_attrs)-1]; + + } + + } + + + /** + * wrapper for include() retaining $this + * @return mixed + */ + function _include($filename, $once=false, $params=null) + { + if ($once) { + return include_once($filename); + } else { + return include($filename); + } + } + + + /** + * wrapper for eval() retaining $this + * @return mixed + */ + function _eval($code, $params=null) + { + return eval($code); + } + + /** + * Extracts the filter name from the given callback + * + * @param callback $function + * @return string + */ + function _get_filter_name($function) + { + if (is_array($function)) { + $_class_name = (is_object($function[0]) ? + get_class($function[0]) : $function[0]); + return $_class_name . '_' . $function[1]; + } + else { + return $function; + } + } + + /**#@-*/ + +} + +/* vim: set expandtab: */ + +?> |