smarty.class.php

通达OA官方提供的30源代码,感觉很实在

<?php

/*
 * Project:     Smarty: the PHP compiling template engine
 * File:        Smarty.class.php
 * Author:      Monte Ohrt <[e-mail]>
 *              Andrei Zmievski <[e-mail]>
 *
 * Version:     1.5.2
 * Copyright:   2001 ispi of Lincoln, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General var
 * 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 var License for more details.
 *
 * You should have received a copy of the GNU Lesser General var
 * 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 [e-mail]
 *
 * You may contact the authors of Smarty by e-mail at:
 * [e-mail]
 * [e-mail]
 *
 * Or, write to:
 * Monte Ohrt
 * Director of Technology, ispi
 * 237 S. 70th suite 220
 * Lincoln, NE 68510
 *
 * The latest version of Smarty can be obtained from:
 * http://www.phpinsider.com/
 *
 */

// set SMARTY_DIR to absolute path to Smarty library files.
// if not defined, include_path will be used.

if (!defined('SMARTY_DIR')) {
    define('SMARTY_DIR', '');
}

require_once SMARTY_DIR.'Smarty.addons.php';

define('SMARTY_PHP_PASSTHRU',   0);
define('SMARTY_PHP_QUOTE',      1);
define('SMARTY_PHP_REMOVE',     2);
define('SMARTY_PHP_ALLOW',      3);

class Smarty
{

/**************************************************************************/
/* BEGIN SMARTY CONFIGURATION SECTION                                     */
/* Set the following config variables to your liking.                     */
/**************************************************************************/

    // var vars
    var $template_dir    =  './themes';     // name of directory for templates
    var $compile_dir     =  './';   // name of directory for compiled templates
    var $config_dir      =  './langs';       // directory where config files are located

    var $debugging       =  false;             // enable debugging console true/false
    var $debug_tpl       =  'file:debug.tpl';  // path to debug console template
    var $debugging_ctrl  =  'NONE';            // Possible values:
                                               // NONE - no debug control allowed
                                               // URL - enable debugging when keyword
                                               //       SMARTY_DEBUG is found in $QUERY_STRING

    var $global_assign   =  array( 'HTTP_SERVER_VARS' => array( 'SCRIPT_NAME' )
                                 );     // variables from the GLOBALS array
                                        // that are implicitly assigned
                                        // to all templates
    var $undefined       =  null;       // undefined variables in $global_assign will be
                                        // created with this value
    var $compile_check   =  true;       // whether to check for compiling step or not:
                                        // This is generally set to false once the
                                        // application is entered into production and
                                        // initially compiled. Leave set to true
                                        // during development. true/false default true.

    var $force_compile   =  false;      // force templates to compile every time,
                                        // overrides cache settings. default false.

    var $caching         =  false;      // enable caching. true/false default false.
    var $cache_dir       =  './cache';  // name of directory for template cache files
    var $cache_lifetime  =  3600;       // number of seconds cached content will persist.
                                        // 0 = never expires. default is one hour (3600)
    var $insert_tag_check    = true;    // if you have caching turned on and you
                                        // don't use {insert} tags anywhere
                                        // in your templates, set this to false.
                                        // this will tell Smarty not to look for
                                        // insert tags, thus speeding up cached page
                                        // fetches. true/false default true.
    var $cache_handler_func   = null;   // function used for cached content. this is
                                        // an alternative to using the built-in file
										// based caching.


	var $default_template_handler_func = ''; // function to handle missing templates

    var $tpl_file_ext    =  '.tpl';     // template file extention (deprecated)

    var $php_handling    =  SMARTY_PHP_PASSTHRU;
                                        // how smarty handles php tags in the templates
                                        // possible values:
                                        // SMARTY_PHP_PASSTHRU -> echo tags as is
                                        // SMARTY_PHP_QUOTE    -> escape tags as entities
                                        // SMARTY_PHP_REMOVE   -> remove php tags
                                        // SMARTY_PHP_ALLOW    -> execute php tags
                                        // default: SMARTY_PHP_PASSTHRU


    var $security       =   false;      // enable template security (default false)
    var $secure_dir     =   array('./templates'); // array of directories considered secure
    var $security_settings  = array(
                                    'PHP_HANDLING'    => false,
                                    'IF_FUNCS'        => array('array', 'list',
                                                               'isset', 'empty',
                                                               'count', 'sizeof',
                                                               'in_array', 'is_array'),
                                    'INCLUDE_ANY'     => false,
                                    'PHP_TAGS'        => false,
                                    'MODIFIER_FUNCS'  => array('count')
                                   );
	var $trusted_dir		= array(); 	// directories where trusted templates
									// reside ($security is disabled during their
									// execution).

    var $left_delimiter  =  '{';        // template tag delimiters.
    var $right_delimiter =  '}';

    var $compiler_funcs  =  array(
                                 );

    var $custom_funcs    =  array(  'html_options'      => 'smarty_func_html_options',
                                    'html_select_date'  => 'smarty_func_html_select_date',
                                    'html_select_time'  => 'smarty_func_html_select_time',
                                    'math'              => 'smarty_func_math',
                                    'fetch'             => 'smarty_func_fetch',
                                    'counter'           => 'smarty_func_counter',
                                    'assign'            => 'smarty_func_assign',
                                    'popup_init'        => 'smarty_func_overlib_init',
                                    'popup'             => 'smarty_func_overlib',
                                    'assign_debug_info' => 'smarty_func_assign_debug_info',
                                    'um_translatebox' 	=> 'smarty_func_um_translatebox',
                                    'um_welcome_message' 	=> 'smarty_func_um_welcome_message'

                                 );

    var $custom_mods     =  array(  'lower'             => 'strtolower',
                                    'upper'             => 'strtoupper',
                                    'capitalize'        => 'ucwords',
                                    'escape'            => 'smarty_mod_escape',
                                    'truncate'          => 'smarty_mod_truncate',
                                    'spacify'           => 'smarty_mod_spacify',
                                    'date_format'       => 'smarty_mod_date_format',
                                    'string_format'     => 'smarty_mod_string_format',
                                    'replace'           => 'smarty_mod_replace',
                                    'regex_replace'     => 'smarty_mod_regex_replace',
                                    'strip_tags'        => 'smarty_mod_strip_tags',
                                    'default'           => 'smarty_mod_default',
                                    'count_characters'  => 'smarty_mod_count_characters',
                                    'count_words'       => 'smarty_mod_count_words',
                                    'count_sentences'   => 'smarty_mod_count_sentences',
                                    'count_paragraphs'  => 'smarty_mod_count_paragraphs',
                                    'debug_print_var'   => 'smarty_mod_debug_print_var'
                                 );

    var $show_info_header      =   false;     // display HTML info header at top of page output
    var $show_info_include     =   false;      // display HTML comments at top & bottom of
                                              // each included template

    var $compiler_class        =   'Smarty_Compiler'; // the compiler class used by
                                                      // Smarty to compile templates
    var $resource_funcs        =  array();  // functions that resource handlers are mapped to
    var $prefilter_funcs       =  array();  // functions that templates are filtered through
                                            // before being compiled
    var $postfilter_funcs      =  array();  // functions that compiled templates are filtered
                                            // through after compilation

    var $request_vars_order    = "EGPCS";   // the order in which request variables are
                                            // registered, similar to variables_order
                                            // in php.ini

    var $compile_id            = null;      // persistent compile identifier

/**************************************************************************/
/* END SMARTY CONFIGURATION SECTION                                       */
/* There should be no need to touch anything below this line.             */
/**************************************************************************/

    // internal vars
    var $_error_msg            =   false;      // error messages. true/false
    var $_tpl_vars             =   array();    // where assigned template vars are kept
    var $_smarty_vars          =   array();    // stores run-time $smarty.* vars
    var $_sections             =   array();    // keeps track of sections
    var $_foreach              =   array();    // keeps track of foreach blocks
    var $_conf_obj             =   null;       // configuration object
    var $_config               =   array();    // loaded configuration settings
    var $_smarty_md5           =   'f8d698aea36fcbead2b9d5359ffca76f'; // md5 checksum of the string 'Smarty'
    var $_version              =   '1.5.2';    // Smarty version number
    var $_extract              =   false;      // flag for custom functions
    var $_inclusion_depth      =   0;          // current template inclusion depth
    var $_compile_id           =   null;       // for different compiled templates
    var $_smarty_debug_id      =   'SMARTY_DEBUG'; // text in URL to enable debug mode
    var $_smarty_debug_info    =   array();    // debugging information for debug console
    var $_cache_info           =   array();    // info that makes up a cache file


/*======================================================================*\
    Function: Smarty
    Purpose:  Constructor
\*======================================================================*/
    function Smarty()
    {
        foreach ($this->global_assign as $key => $var_name) {
            if (is_array($var_name)) {
                foreach ($var_name as $var) {
                    if (isset($GLOBALS[$key][$var])) {
                        $this->assign($var, $GLOBALS[$key][$var]);
                    } else {
                        $this->assign($var, $this->undefined);
                    }
                }
            } else {
                if (isset($GLOBALS[$var_name])) {
                    $this->assign($var_name, $GLOBALS[$var_name]);
                } else {
                    $this->assign($var_name, $this->undefined);
                }
            }
        }
    }


/*======================================================================*\
    Function:   assign()
    Purpose:    assigns values to template variables
\*======================================================================*/
    function assign($tpl_var, $value = NULL)
    {
        if (is_array($tpl_var)){
            foreach ($tpl_var as $key => $val) {
                if (!empty($key) && isset($val)) {
                    $this->_tpl_vars[$key] = $val;
                }
            }
        } else {
            if (!empty($tpl_var) && isset($value))
                $this->_tpl_vars[$tpl_var] = $value;
        }
        $this->_extract = true;
    }


/*======================================================================*\
    Function: append
    Purpose:  appens values to template variables
\*======================================================================*/
    function append($tpl_var, $value = NULL)
    {
        if (is_array($tpl_var)) {
            foreach ($tpl_var as $key => $val) {
                if (!empty($key)) {
                    if (!is_array($this->_tpl_vars[$key]))
                        settype($this->_tpl_vars[$key], 'array');
                    $this->_tpl_vars[$key][] = $val;
                }
            }
        } else {
            if (!empty($tpl_var) && isset($value)) {
                if (!is_array($this->_tpl_vars[$tpl_var]))
                    settype($this->_tpl_vars[$tpl_var], 'array');
                $this->_tpl_vars[$tpl_var][] = $value;
            }
        }
        $this->_extract = true;
    }

	/**
	* Define call_user_func_array if it does not exist
	**/
	function my_call_user_func_array($func, $ar) {
		if (!function_exists('call_user_func_array')) {
	        $funcCall = "$func(";
	        // Build function call string by adding each parameter
	        for ($i=0; $i<sizeof($ar); $i++) {
	            eval ("\$funcCall .= '\$ar[$i],';");
	        }
	        // Strip off last comma ','
	        $funcCall = substr($funcCall, 0, -1);
	        $funcCall .= ')';

	        eval("\$retval = $funcCall;");
	        return $retval;
		} else
			return call_user_func_array($func, $ar);
	}

/*======================================================================*\
    Function:   clear_assign()
    Purpose:    clear the given assigned template variable.
\*======================================================================*/
    function clear_assign($tpl_var)