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<?php |
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/* |
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* Project: Smarty: the PHP compiling template engine |
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* File: Smarty.class.php |
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* Author: Monte Ohrt <monte@ispi.net> |
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* Andrei Zmievski <andrei@ispi.net> |
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* |
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* Version: 1.3.0 |
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* Copyright: 2001 ispi of Lincoln, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* You may contact the authors of Smarty by e-mail at: |
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* monte@ispi.net |
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* andrei@ispi.net |
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* |
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* Or, write to: |
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* Monte Ohrt |
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* CTO, ispi |
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* 237 S. 70th suite 220 |
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* Lincoln, NE 68510 |
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* |
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* The latest version of Smarty can be obtained from: |
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* http://www.phpinsider.com/ |
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* |
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*/ |
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|
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require('Smarty.addons.php'); |
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require("Smarty.local.php"); |
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|
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define("SMARTY_PHP_PASSTHRU",0); |
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define("SMARTY_PHP_QUOTE",1); |
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define("SMARTY_PHP_REMOVE",2); |
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define("SMARTY_PHP_ALLOW",3); |
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|
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class Smarty |
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{ |
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|
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// public vars |
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var $template_dir = './templates'; // name of directory for templates |
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var $compile_dir = './templates_c'; // name of directory for compiled templates |
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var $config_dir = './configs'; // directory where config files are located |
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|
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var $global_assign = array('SCRIPT_NAME'); // variables from the GLOBALS array |
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// that are implicitly assigned |
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// to all templates |
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var $compile_check = true; // whether to check for compiling step or not: |
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// This is generally set to false once the |
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// application is entered into production and |
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// initially compiled. Leave set to true |
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// during development. true/false default true. |
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|
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var $force_compile = false; // force templates to compile every time. |
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// if cache file exists, it will |
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// override compile_check and force_compile. |
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// true/false. default false. |
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var $caching = false; // whether to use caching or not. true/false |
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var $cache_dir = './cache'; // name of directory for template cache |
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var $cache_lifetime = 3600; // number of seconds cached content will persist. |
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// 0 = never expires. default is one hour (3600) |
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|
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var $tpl_file_ext = '.tpl'; // template file extention |
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|
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var $php_handling = SMARTY_PHP_PASSTHRU; // how smarty handles php tags |
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// possible values: |
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// SMARTY_PHP_PASSTHRU -> echo tags as is |
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// SMARTY_PHP_QUOTE -> escape tags as entities |
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// SMARTY_PHP_REMOVE -> remove php tags |
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// SMARTY_PHP_ALLOW -> execute php tags |
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// default: SMARTY_PHP_PASSTHRU |
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|
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var $left_delimiter = '{'; // template tag delimiters. |
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var $right_delimiter = '}'; |
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|
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|
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var $custom_funcs = array( 'html_options' => 'smarty_func_html_options', |
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'html_select_date' => 'smarty_func_html_select_date', |
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'header' => 'smarty_func_header', |
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|
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//----- local custom_funcs |
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'img' => 'smarty_func_img', |
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'html_checkboxes' => 'smarty_func_html_checkboxes', |
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'input' => 'smarty_func_input', |
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'rinput' => 'smarty_func_rinput', |
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|
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); |
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|
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var $custom_mods = array( 'lower' => 'strtolower', |
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'upper' => 'strtoupper', |
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'capitalize' => 'ucwords', |
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'escape' => 'smarty_mod_escape', |
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'truncate' => 'smarty_mod_truncate', |
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'spacify' => 'smarty_mod_spacify', |
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'date_format' => 'smarty_mod_date_format', |
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'string_format' => 'smarty_mod_string_format', |
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'replace' => 'smarty_mod_replace', |
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'strip_tags' => 'smarty_mod_strip_tags', |
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'default' => 'smarty_mod_default', |
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|
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//----- local custom_mods |
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'filesize' => 'smarty_mod_filesize', |
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|
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); |
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|
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// internal vars |
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var $_error_msg = false; // error messages. true/false |
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var $_tpl_vars = array(); |
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var $_sectionelse_stack = array(); // keeps track of whether section had 'else' part |
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var $_literal_blocks = array(); // keeps literal template blocks |
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var $_current_file = null; // the current template being compiled |
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var $_current_line_no = 1; // line number for error messages |
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var $_smarty_md5 = 'f8d698aea36fcbead2b9d5359ffca76f'; // md5 checksum of the string 'Smarty' |
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|
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|
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/*======================================================================*\ |
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Function: Smarty |
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Purpose: Constructor |
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\*======================================================================*/ |
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function Smarty() |
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{ |
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foreach ($this->global_assign as $var_name) |
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$this->assign($var_name, $GLOBALS[$var_name]); |
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} |
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|
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|
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/*======================================================================*\ |
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Function: assign() |
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Purpose: assigns values to template variables |
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\*======================================================================*/ |
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|
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function assign($tpl_var, $value = NULL) |
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{ |
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if (is_array($tpl_var)){ |
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foreach ($tpl_var as $key => $val) { |
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if (!empty($key)) |
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$this->_tpl_vars[$key] = $val; |
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} |
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} else { |
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if (!empty($tpl_var) && isset($value)) |
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$this->_tpl_vars[$tpl_var] = $value; |
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} |
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} |
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|
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|
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/*======================================================================*\ |
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Function: append |
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Purpose: appens values to template variables |
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\*======================================================================*/ |
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function append($tpl_var, $value = NULL) |
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{ |
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if (is_array($tpl_var)) { |
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foreach ($tpl_var as $key => $val) { |
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if (!empty($key)) { |
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if (!is_array($this->_tpl_vars[$key])) |
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settype($this->_tpl_vars[$key], 'array'); |
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$this->_tpl_vars[$key][] = $val; |
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} |
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} |
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} else { |
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if (!empty($tpl_var) && isset($value)) { |
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if (!is_array($this->_tpl_vars[$tpl_var])) |
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settype($this->_tpl_vars[$tpl_var], 'array'); |
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$this->_tpl_vars[$tpl_var][] = $value; |
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} |
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} |
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} |
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|
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|
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/*======================================================================*\ |
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Function: clear_assign() |
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Purpose: clear the given assigned template variable. |
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\*======================================================================*/ |
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|
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function clear_assign($tpl_var) |
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{ |
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if(is_array($tpl_var)) |
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foreach($tpl_var as $curr_var) |
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unset($this->_tpl_vars[$curr_var]); |
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else |
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unset($this->_tpl_vars[$tpl_var]); |
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} |
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|
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|
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/*======================================================================*\ |
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Function: register_function |
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Purpose: Registers custom function to be used in templates |
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\*======================================================================*/ |
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function register_function($function, $function_impl) |
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{ |
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$this->custom_funcs[$function] = $function_impl; |
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} |
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|
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|
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/*======================================================================*\ |
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Function: register_modifier |
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Purpose: Registers modifier to be used in templates |
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\*======================================================================*/ |
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function register_modifier($modifier, $modifier_impl) |
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{ |
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$this->custom_mods[$modifier] = $modifier_impl; |
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} |
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|
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|
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/*======================================================================*\ |
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Function: clear_cache() |
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Purpose: clear cached content for the given template and cache id |
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\*======================================================================*/ |
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|
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function clear_cache($tpl_file, $cache_id = null) |
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{ |
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$cache_tpl_md5 = md5(realpath($this->template_dir.'/'.$tpl_file)); |
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$cache_dir = $this->cache_dir.'/'.$cache_tpl_md5; |
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|
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if (!is_dir($cache_dir)) |
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return false; |
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|
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if (isset($cache_id)) { |
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$cache_id_md5 = md5($cache_id); |
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$cache_id_dir = substr($cache_id_md5, 0, 2); |
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$cache_file = "$cache_dir/$cache_id_dir/{$cache_tpl_md5}_$cache_id_md5.cache"; |
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return (bool)(is_file($cache_file) && unlink($cache_file)); |
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} else |
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return $this->_clear_tpl_cache_dir($cache_tpl_md5); |
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} |
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|
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|
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/*======================================================================*\ |
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Function: clear_all_cache() |
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Purpose: clear the entire contents of cache (all templates) |
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\*======================================================================*/ |
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|
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function clear_all_cache() |
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{ |
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if (!is_dir($this->cache_dir)) |
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return false; |
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|
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$dir_handle = opendir($this->cache_dir); |
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while ($curr_dir = readdir($dir_handle)) { |
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if ($curr_dir == '.' || $curr_dir == '..' || |
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!is_dir($this->cache_dir.'/'.$curr_dir)) |
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continue; |
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|
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$this->_clear_tpl_cache_dir($curr_dir); |
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} |
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closedir($dir_handle); |
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|
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return true; |
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} |
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|
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|
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/*======================================================================*\ |
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Function: is_cached() |
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Purpose: test to see if valid cache exists for this template |
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\*======================================================================*/ |
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|
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function is_cached($tpl_file, $cache_id = null) |
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{ |
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if (!$this->caching) |
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return false; |
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|
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// cache name = template path + cache_id |
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$cache_tpl_md5 = md5(realpath($this->template_dir.'/'.$tpl_file)); |
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$cache_id_md5 = md5($cache_id); |
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$cache_id_dir = substr($cache_id_md5, 0, 2); |
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$cache_file = $this->cache_dir."/$cache_tpl_md5/$cache_id_dir/{$cache_tpl_md5}_$cache_id_md5.cache"; |
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|
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if (file_exists($cache_file) && |
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($this->cache_lifetime == 0 || |
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(time() - filemtime($cache_file) <= $this->cache_lifetime))) |
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return true; |
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else |
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return false; |
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|
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} |
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|
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|
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/*======================================================================*\ |
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Function: clear_all_assign() |
291 |
Purpose: clear all the assigned template variables. |
292 |
\*======================================================================*/ |
293 |
|
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function clear_all_assign() |
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{ |
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$this->_tpl_vars = array(); |
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} |
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|
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|
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/*======================================================================*\ |
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Function: get_template_vars |
302 |
Purpose: Returns an array containing template variables |
303 |
\*======================================================================*/ |
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function &get_template_vars() |
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{ |
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return $this->_tpl_vars; |
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} |
308 |
|
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|
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/*======================================================================*\ |
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Function: display() |
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Purpose: executes & displays the template results |
313 |
\*======================================================================*/ |
314 |
|
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function display($tpl_file, $cache_id = null) |
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{ |
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$this->fetch($tpl_file, $cache_id, true); |
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} |
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|
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/*======================================================================*\ |
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Function: fetch() |
322 |
Purpose: executes & returns or displays the template results |
323 |
\*======================================================================*/ |
324 |
|
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function fetch($tpl_file, $cache_id = null, $display = false) |
326 |
{ |
327 |
global $HTTP_SERVER_VARS; |
328 |
|
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if ($this->caching) { |
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// cache name = template path + cache_id |
331 |
$cache_tpl_md5 = md5(realpath($this->template_dir.'/'.$tpl_file)); |
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$cache_id_md5 = md5($cache_id); |
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$cache_id_dir = substr($cache_id_md5, 0, 2); |
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$cache_file = $this->cache_dir."/$cache_tpl_md5/$cache_id_dir/{$cache_tpl_md5}_$cache_id_md5.cache"; |
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|
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if (file_exists($cache_file) && |
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($this->cache_lifetime == 0 || |
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(time() - filemtime($cache_file) <= $this->cache_lifetime))) { |
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$results = $this->_read_file($cache_file); |
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$results = $this->_process_cached_inserts($results); |
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if ($display) { |
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echo $results; |
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return; |
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} else |
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return $results; |
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} |
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} |
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|
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// compile files |
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$this->_compile($this->template_dir); |
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//assemble compile directory path to file |
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$_compile_file = $this->compile_dir."/".$tpl_file.".php"; |
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|
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extract($this->_tpl_vars); |
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|
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// if we just need to display the results, don't perform output |
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// buffering - for speed |
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if ($display && !$this->caching) |
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include($_compile_file); |
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else { |
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ob_start(); |
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include($_compile_file); |
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$results = ob_get_contents(); |
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ob_end_clean(); |
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} |
366 |
|
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if($this->caching) { |
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$this->_write_file($cache_file, $results, true); |
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$results = $this->_process_cached_inserts($results); |
370 |
} |
371 |
|
372 |
if ($display) { |
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echo $results; |
374 |
return; |
375 |
} else |
376 |
return $results; |
377 |
} |
378 |
|
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/*======================================================================*\ |
380 |
Function: compile() |
381 |
Purpose: called to compile the templates |
382 |
\*======================================================================*/ |
383 |
|
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function _compile($tpl_dir) |
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{ |
386 |
if($this->compile_check || $this->force_compile) |
387 |
{ |
388 |
if($this->_traverse_files($tpl_dir, 0)) |
389 |
return true; |
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else |
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return false; |
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} else |
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return false; |
394 |
} |
395 |
|
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/*======================================================================*\ |
397 |
Function: _traverse_files() |
398 |
Purpose: traverse the template files & process each one |
399 |
\*======================================================================*/ |
400 |
|
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function _traverse_files($tpl_dir, $depth) |
402 |
{ |
403 |
$retval = true; |
404 |
|
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if (is_dir($tpl_dir)) { |
406 |
$dir_handle = opendir($tpl_dir); |
407 |
while ($curr_file = readdir($dir_handle)) { |
408 |
if ($curr_file == '.' || $curr_file == '..') |
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continue; |
410 |
|
411 |
$filepath = $tpl_dir.'/'.$curr_file; |
412 |
if (is_readable($filepath)) { |
413 |
if (is_file($filepath) && substr($curr_file, -strlen($this->tpl_file_ext)) == $this->tpl_file_ext) { |
414 |
if (!$this->_process_file($filepath)) { |
415 |
$retval = false; |
416 |
break; |
417 |
} |
418 |
} else if (is_dir($filepath)) { |
419 |
if (!$this->_traverse_files($filepath, $depth + 1)) { |
420 |
$retval = false; |
421 |
break; |
422 |
} |
423 |
} else { |
424 |
// invalid file type, skipping |
425 |
$this->_set_error_msg("Invalid filetype for $filepath, skipping"); |
426 |
continue; |
427 |
} |
428 |
} |
429 |
} |
430 |
|
431 |
closedir($dir_handle); |
432 |
return $retval; |
433 |
} else { |
434 |
$this->_set_error_msg("Directory \"$tpl_dir\" does not exist or is not a directory."); |
435 |
return false; |
436 |
} |
437 |
} |
438 |
|
439 |
/*======================================================================*\ |
440 |
Function: _process_file() |
441 |
Input: test template files for modifications |
442 |
and execute the compilation for each |
443 |
one requiring it. |
444 |
\*======================================================================*/ |
445 |
|
446 |
function _process_file($filepath) |
447 |
{ |
448 |
if(preg_match("/^(.+)\/([^\/]+)$/", $filepath, $match)) { |
449 |
$tpl_file_dir = $match[1]; |
450 |
$tpl_file_name = $match[2] . '.php'; |
451 |
|
452 |
$compile_dir = preg_replace('!^' . preg_quote($this->template_dir, '!') . '!', |
453 |
$this->compile_dir, $match[1]); |
454 |
|
455 |
//create directory if none exists |
456 |
$this->_create_dir_structure($compile_dir); |
457 |
|
458 |
// compile the template file if none exists or has been modified or recompile is forced |
459 |
if ($this->force_compile || !file_exists($compile_dir."/".$tpl_file_name) || |
460 |
($this->_modified_file($filepath, $compile_dir."/".$tpl_file_name))) { |
461 |
if (!$this->_compile_file($filepath, $compile_dir."/".$tpl_file_name)) |
462 |
return false; |
463 |
} else { |
464 |
// no compilation needed |
465 |
return true; |
466 |
} |
467 |
} else { |
468 |
$this->_set_error_msg("problem matching \"$filepath.\""); |
469 |
return false; |
470 |
} |
471 |
|
472 |
return true; |
473 |
} |
474 |
|
475 |
/*======================================================================*\ |
476 |
Function: _create_dir_structure |
477 |
Purpose: create full directory structure |
478 |
\*======================================================================*/ |
479 |
function _create_dir_structure($dir) |
480 |
{ |
481 |
if (!file_exists($dir)) { |
482 |
$dir_parts = preg_split('!/+!', $dir, -1, PREG_SPLIT_NO_EMPTY); |
483 |
$new_dir = ($dir{0} == '/') ? '/' : ''; |
484 |
foreach ($dir_parts as $dir_part) { |
485 |
$new_dir .= $dir_part; |
486 |
if (!file_exists($new_dir) && !mkdir($new_dir, 0755)) { |
487 |
$this->_set_error_msg("problem creating directory \"$dir\""); |
488 |
return false; |
489 |
} |
490 |
$new_dir .= '/'; |
491 |
} |
492 |
} |
493 |
} |
494 |
|
495 |
/*======================================================================*\ |
496 |
Function: _modified_file() |
497 |
Input: return comparison of modification times of files |
498 |
\*======================================================================*/ |
499 |
|
500 |
function _modified_file($filepath, $compilepath) |
501 |
{ |
502 |
if (filemtime($filepath) >= filemtime($compilepath)) |
503 |
return true; |
504 |
return false; |
505 |
} |
506 |
|
507 |
/*======================================================================*\ |
508 |
Function: _compile_file() |
509 |
Input: compile a template file |
510 |
\*======================================================================*/ |
511 |
|
512 |
function _compile_file($filepath, $compilepath) |
513 |
{ |
514 |
if (!($template_contents = $this->_read_file($filepath))) |
515 |
return false; |
516 |
|
517 |
$this->_current_file = str_replace($this->template_dir . '/', '', $filepath); |
518 |
$this->_current_line_no = 1; |
519 |
$ldq = preg_quote($this->left_delimiter, '!'); |
520 |
$rdq = preg_quote($this->right_delimiter, '!'); |
521 |
|
522 |
/* Pull out the literal blocks. */ |
523 |
preg_match_all("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", $template_contents, $match); |
524 |
$this->_literal_blocks = $match[1]; |
525 |
$template_contents = preg_replace("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", |
526 |
'{literal}', $template_contents); |
527 |
|
528 |
/* Gather all template tags. */ |
529 |
preg_match_all("!{$ldq}\s*(.*?)\s*{$rdq}!s", $template_contents, $match); |
530 |
$template_tags = $match[1]; |
531 |
/* Split content by template tags to obtain non-template content. */ |
532 |
$text_blocks = preg_split("!{$ldq}.*?{$rdq}!s", $template_contents); |
533 |
|
534 |
/* TODO: speed up the following with preg_replace and /F once we require that version of PHP */ |
535 |
|
536 |
/* loop through text blocks */ |
537 |
for ($curr_tb = 0; $curr_tb <= count($text_blocks); $curr_tb++) { |
538 |
/* match anything within <? ?> */ |
539 |
if (preg_match_all('!(<\?[^?]*?\?>|<script\s+language\s*=\s*[\"\']?php[\"\']?\s*>)!is', $text_blocks[$curr_tb], $sp_match)) { |
540 |
/* found at least one match, loop through each one */ |
541 |
for ($curr_sp = 0; $curr_sp < count($sp_match[0]); $curr_sp++) { |
542 |
if (preg_match('!^(<\?(php\s|\s|=\s)|<script\s*language\s*=\s*[\"\']?php[\"\']?\s*>)!is', $sp_match[0][$curr_sp])) { |
543 |
/* php tag */ |
544 |
if ($this->php_handling == SMARTY_PHP_PASSTHRU) { |
545 |
/* echo php contents */ |
546 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '<?php echo \''.str_replace("'", "\'", $sp_match[0][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]); |
547 |
} else if ($this->php_handling == SMARTY_PHP_QUOTE) { |
548 |
/* quote php tags */ |
549 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], htmlspecialchars($sp_match[0][$curr_sp]), $text_blocks[$curr_tb]); |
550 |
} else if ($this->php_handling == SMARTY_PHP_REMOVE) { |
551 |
/* remove php tags */ |
552 |
if (substr($sp_match[0][$curr_sp], 0, 2) == '<?') |
553 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '', $text_blocks[$curr_tb]); |
554 |
else |
555 |
/* attempt to remove everything between <script ...> and </script> */ |
556 |
$text_blocks[$curr_tb] = preg_replace('!'.preg_quote($sp_match[0][$curr_sp], '!').'.*?</script\s*>!is', '', $text_blocks[$curr_tb]); |
557 |
} |
558 |
} else |
559 |
/* echo the non-php tags */ |
560 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '<?php echo \''.str_replace("'", "\'", $sp_match[0][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]); |
561 |
} |
562 |
} |
563 |
} |
564 |
|
565 |
/* Compile the template tags into PHP code. */ |
566 |
$compiled_tags = array(); |
567 |
for ($i = 0; $i < count($template_tags); $i++) { |
568 |
$this->_current_line_no += substr_count($text_blocks[$i], "\n"); |
569 |
$compiled_tags[] = $this->_compile_tag($template_tags[$i]); |
570 |
$this->_current_line_no += substr_count($template_tags[$i], "\n"); |
571 |
} |
572 |
|
573 |
$compiled_contents = ''; |
574 |
|
575 |
/* Interleave the compiled contents and text blocks to get the final result. */ |
576 |
for ($i = 0; $i < count($compiled_tags); $i++) { |
577 |
$compiled_contents .= $text_blocks[$i].$compiled_tags[$i]; |
578 |
} |
579 |
$compiled_contents .= $text_blocks[$i]; |
580 |
|
581 |
/* Reformat data between 'strip' and '/strip' tags, removing spaces, tabs and newlines. */ |
582 |
if (preg_match_all("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", $compiled_contents, $match)) { |
583 |
$strip_tags = $match[0]; |
584 |
$strip_tags_modified = preg_replace("!{$ldq}/?strip{$rdq}|[\t ]+$|^[\t ]+!m", '', $strip_tags); |
585 |
$strip_tags_modified = preg_replace('![\r\n]+!m', '', $strip_tags_modified); |
586 |
for ($i = 0; $i < count($strip_tags); $i++) |
587 |
$compiled_contents = preg_replace("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", |
588 |
$strip_tags_modified[$i], $compiled_contents, 1); |
589 |
} |
590 |
|
591 |
if(!$this->_write_file($compilepath, $compiled_contents)) |
592 |
return false; |
593 |
|
594 |
return true; |
595 |
} |
596 |
|
597 |
/*======================================================================*\ |
598 |
Function: _process_cached_inserts |
599 |
Purpose: Replace cached inserts with the actual results |
600 |
\*======================================================================*/ |
601 |
function _process_cached_inserts($results) |
602 |
{ |
603 |
preg_match_all('!'.$this->_smarty_md5.'{insert_cache (.*)}'.$this->_smarty_md5.'!Uis', |
604 |
$results, $match); |
605 |
list($cached_inserts, $insert_args) = $match; |
606 |
|
607 |
for ($i = 0; $i < count($cached_inserts); $i++) { |
608 |
$args = unserialize($insert_args[$i]); |
609 |
$name = $args['name']; |
610 |
unset($args['name']); |
611 |
|
612 |
$function_name = 'insert_' . $name; |
613 |
$replace = $function_name($args); |
614 |
|
615 |
$results = str_replace($cached_inserts[$i], $replace, $results); |
616 |
} |
617 |
|
618 |
return $results; |
619 |
} |
620 |
|
621 |
|
622 |
/*======================================================================*\ |
623 |
Function: _compile_tag |
624 |
Purpose: Compile a template tag |
625 |
\*======================================================================*/ |
626 |
function _compile_tag($template_tag) |
627 |
{ |
628 |
/* Matched comment. */ |
629 |
if ($template_tag{0} == '*' && $template_tag{strlen($template_tag)-1} == '*') |
630 |
return ''; |
631 |
|
632 |
$qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
633 |
|
634 |
/* Split tag into two parts: command and the arguments. */ |
635 |
preg_match('/^( |
636 |
(?: ' . $qstr_regexp . ' | (?>[^"\'\s]+))+ |
637 |
) |
638 |
(?:\s+(.*))? |
639 |
/xs', $template_tag, $match); |
640 |
list(, $tag_command, $tag_args) = $match; |
641 |
|
642 |
/* If the tag name matches a variable or section property definition, |
643 |
we simply process it. */ |
644 |
if (preg_match('!^\$(\w+/)*\w+(?>\.\w+)*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command) || // if a variable |
645 |
preg_match('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command) || // or a configuration variable |
646 |
preg_match('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command)) { // or a section property |
647 |
settype($tag_command, 'array'); |
648 |
$this->_parse_vars_props($tag_command); |
649 |
return "<?php echo $tag_command[0]; ?>\n"; |
650 |
} |
651 |
|
652 |
switch ($tag_command) { |
653 |
case 'include': |
654 |
return $this->_compile_include_tag($tag_args); |
655 |
|
656 |
case 'if': |
657 |
return $this->_compile_if_tag($tag_args); |
658 |
|
659 |
case 'else': |
660 |
return '<?php else: ?>'; |
661 |
|
662 |
case 'elseif': |
663 |
return $this->_compile_if_tag($tag_args, true); |
664 |
|
665 |
case '/if': |
666 |
return '<?php endif; ?>'; |
667 |
|
668 |
case 'ldelim': |
669 |
return $this->left_delimiter; |
670 |
|
671 |
case 'rdelim': |
672 |
return $this->right_delimiter; |
673 |
|
674 |
case 'section': |
675 |
array_push($this->_sectionelse_stack, false); |
676 |
return $this->_compile_section_start($tag_args); |
677 |
|
678 |
case 'sectionelse': |
679 |
$this->_sectionelse_stack[count($this->_sectionelse_stack)-1] = true; |
680 |
return "<?php endfor; else: ?>"; |
681 |
|
682 |
case '/section': |
683 |
if (array_pop($this->_sectionelse_stack)) |
684 |
return "<?php endif; ?>"; |
685 |
else |
686 |
return "<?php endfor; endif; ?>"; |
687 |
|
688 |
case 'config_load': |
689 |
return $this->_compile_config_load_tag($tag_args); |
690 |
|
691 |
case 'strip': |
692 |
case '/strip': |
693 |
return $this->left_delimiter.$tag_command.$this->right_delimiter; |
694 |
|
695 |
case 'literal': |
696 |
list (,$literal_block) = each($this->_literal_blocks); |
697 |
$this->_current_line_no += substr_count($literal_block, "\n"); |
698 |
return $literal_block; |
699 |
|
700 |
case 'insert': |
701 |
return $this->_compile_insert_tag($tag_args); |
702 |
|
703 |
default: |
704 |
if (isset($this->custom_funcs[$tag_command])) { |
705 |
return $this->_compile_custom_tag($tag_command, $tag_args); |
706 |
} else { |
707 |
$this->_syntax_error("unknown tag - '$tag_command'", E_USER_WARNING); |
708 |
return; |
709 |
} |
710 |
} |
711 |
} |
712 |
|
713 |
function _compile_custom_tag($tag_command, $tag_args) |
714 |
{ |
715 |
$function = $this->custom_funcs[$tag_command]; |
716 |
|
717 |
if (!function_exists($function)) { |
718 |
$this->_syntax_error("custom function '$tag_command' is not implemented", E_USER_WARNING); |
719 |
return; |
720 |
} |
721 |
|
722 |
$attrs = $this->_parse_attrs($tag_args); |
723 |
foreach ($attrs as $arg_name => $arg_value) { |
724 |
if (is_bool($arg_value)) |
725 |
$arg_value = $arg_value ? 'true' : 'false'; |
726 |
$arg_list[] = "'$arg_name' => $arg_value"; |
727 |
} |
728 |
|
729 |
return "<?php $function(array(".implode(',', (array)$arg_list).")); ?>"; |
730 |
} |
731 |
|
732 |
|
733 |
/*======================================================================*\ |
734 |
Function: _compile_insert_tag |
735 |
Purpose: Compile {insert ...} tag |
736 |
\*======================================================================*/ |
737 |
function _compile_insert_tag($tag_args) |
738 |
{ |
739 |
$attrs = $this->_parse_attrs($tag_args); |
740 |
$name = substr($attrs['name'], 1, -1); |
741 |
|
742 |
if (empty($name)) { |
743 |
$this->_syntax_error("missing insert name"); |
744 |
} |
745 |
|
746 |
foreach ($attrs as $arg_name => $arg_value) { |
747 |
if (is_bool($arg_value)) |
748 |
$arg_value = $arg_value ? 'true' : 'false'; |
749 |
$arg_list[] = "'$arg_name' => $arg_value"; |
750 |
} |
751 |
|
752 |
return "<?php echo _smarty_insert_handler(array(".implode(', ', (array)$arg_list)."), \$this->caching, \$this->_smarty_md5); ?>\n"; |
753 |
} |
754 |
|
755 |
|
756 |
/*======================================================================*\ |
757 |
Function: _compile_config_load_tag |
758 |
Purpose: Compile {config_load ...} tag |
759 |
\*======================================================================*/ |
760 |
function _compile_config_load_tag($tag_args) |
761 |
{ |
762 |
$attrs = $this->_parse_attrs($tag_args); |
763 |
|
764 |
if (empty($attrs['file'])) { |
765 |
$this->_syntax_error("missing 'file' attribute in config_load tag"); |
766 |
} |
767 |
|
768 |
$output = "<?php if (!class_exists('Config_File'))\n" . |
769 |
" include_once 'Config_File.class.php';\n" . |
770 |
"if (!is_object(\$_conf_obj) || get_class(\$_conf_obj) != 'config_file') {\n" . |
771 |
" \$_conf_obj = new Config_File('".$this->config_dir."');\n" . |
772 |
"}\n" . |
773 |
"\$_config = array_merge((array)\$_config, \$_conf_obj->get(".$attrs['file']."));\n"; |
774 |
|
775 |
if (!empty($attrs['section'])) |
776 |
$output .= '$_config = array_merge((array)$_config, $_conf_obj->get('.$attrs['file'].', '.$attrs['section'].')); '; |
777 |
|
778 |
$output .= '?>'; |
779 |
|
780 |
return $output; |
781 |
} |
782 |
|
783 |
|
784 |
/*======================================================================*\ |
785 |
Function: _compile_include_tag |
786 |
Purpose: Compile {include ...} tag |
787 |
\*======================================================================*/ |
788 |
function _compile_include_tag($tag_args) |
789 |
{ |
790 |
$attrs = $this->_parse_attrs($tag_args); |
791 |
|
792 |
if (empty($attrs['file'])) { |
793 |
$this->_syntax_error("missing 'file' attribute in include tag"); |
794 |
} else |
795 |
$attrs['file'] = $this->_dequote($attrs['file']); |
796 |
|
797 |
if (count($attrs) > 1) { |
798 |
$include_func_name = uniqid("_include_"); |
799 |
$include_file_name = $this->compile_dir.'/'.$attrs['file']; |
800 |
|
801 |
foreach ($attrs as $arg_name => $arg_value) { |
802 |
if ($arg_name == 'file') continue; |
803 |
if (is_bool($arg_value)) |
804 |
$arg_value = $arg_value ? 'true' : 'false'; |
805 |
$arg_list[] = "'$arg_name' => $arg_value"; |
806 |
} |
807 |
|
808 |
return "<?php " . |
809 |
"if (!function_exists('$include_func_name')) {\n". |
810 |
" function $include_func_name(\$file_name, \$def_vars, \$include_vars)\n" . |
811 |
" {\n" . |
812 |
" extract(\$def_vars);\n" . |
813 |
" extract(\$include_vars);\n" . |
814 |
" include \"\$file_name.php\";\n" . |
815 |
" }\n" . |
816 |
"}\n" . |
817 |
"$include_func_name(\"$include_file_name\", get_defined_vars(), array(".implode(',', (array)$arg_list)."));\n?>"; |
818 |
} else |
819 |
return '<?php include "'.$this->compile_dir.'/'.$attrs['file'].'.php"; ?>'; |
820 |
} |
821 |
|
822 |
|
823 |
/*======================================================================*\ |
824 |
Function: _compile_section_start |
825 |
Purpose: Compile {section ...} tag |
826 |
\*======================================================================*/ |
827 |
function _compile_section_start($tag_args) |
828 |
{ |
829 |
$attrs = $this->_parse_attrs($tag_args); |
830 |
|
831 |
$output = "<?php "; |
832 |
$section_name = $attrs['name']; |
833 |
if (empty($section_name)) { |
834 |
$this->_syntax_error("missing section name"); |
835 |
} |
836 |
|
837 |
$output .= "unset(\$_sections[$section_name]);\n"; |
838 |
$section_props = "\$_sections[$section_name]['properties']"; |
839 |
|
840 |
foreach ($attrs as $attr_name => $attr_value) { |
841 |
switch ($attr_name) { |
842 |
case 'loop': |
843 |
$output .= "{$section_props}['loop'] = is_array($attr_value) ? count($attr_value) : $attr_value;\n"; |
844 |
break; |
845 |
|
846 |
case 'show': |
847 |
if (is_bool($attr_value)) |
848 |
$attr_value = $attr_value ? 'true' : 'false'; |
849 |
$output .= "{$section_props}['$attr_name'] = $attr_value;\n"; |
850 |
break; |
851 |
|
852 |
default: |
853 |
$output .= "{$section_props}['$attr_name'] = $attr_value;\n"; |
854 |
break; |
855 |
} |
856 |
} |
857 |
|
858 |
if (isset($attrs['loop'])) { |
859 |
$loop_check_code = "{$section_props}['loop'] > 0 && "; |
860 |
} else { |
861 |
$output .= "{$section_props}['loop'] = 1;\n"; |
862 |
} |
863 |
|
864 |
if (isset($attrs['show'])) { |
865 |
$show_check_code = "{$section_props}['show'] && "; |
866 |
} else { |
867 |
$output .= "{$section_props}['show'] = {$section_props}['loop'] > 0;\n"; |
868 |
} |
869 |
|
870 |
$output .= "if ($loop_check_code $show_check_code true): "; |
871 |
|
872 |
$output .= " |
873 |
for ({$section_props}['index'] = 0; |
874 |
{$section_props}['index'] < {$section_props}['loop']; |
875 |
{$section_props}['index']++):\n"; |
876 |
$output .= "{$section_props}['rownum'] = {$section_props}['index'] + 1;\n"; |
877 |
|
878 |
$output .= "?>"; |
879 |
|
880 |
return $output; |
881 |
} |
882 |
|
883 |
|
884 |
/*======================================================================*\ |
885 |
Function: _compile_if_tag |
886 |
Purpose: Compile {if ...} tag |
887 |
\*======================================================================*/ |
888 |
function _compile_if_tag($tag_args, $elseif = false) |
889 |
{ |
890 |
/* Tokenize args for 'if' tag. */ |
891 |
preg_match_all('/(?: |
892 |
"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | # match all double quoted strings allowed escaped double quotes |
893 |
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | # match all single quoted strings allowed escaped single quotes |
894 |
[()] | # match parentheses |
895 |
[^"\'\s()]+ # match any other token that is not any of the above |
896 |
)/x', $tag_args, $match); |
897 |
$tokens = $match[0]; |
898 |
|
899 |
$this->_parse_vars_props($tokens); |
900 |
|
901 |
$is_arg_stack = array(); |
902 |
|
903 |
for ($i = 0; $i < count($tokens); $i++) { |
904 |
$token = &$tokens[$i]; |
905 |
switch ($token) { |
906 |
case 'eq': |
907 |
$token = '=='; |
908 |
break; |
909 |
|
910 |
case 'ne': |
911 |
case 'neq': |
912 |
$token = '!='; |
913 |
break; |
914 |
|
915 |
case 'lt': |
916 |
$token = '<'; |
917 |
break; |
918 |
|
919 |
case 'le': |
920 |
case 'lte': |
921 |
$token = '<='; |
922 |
break; |
923 |
|
924 |
case 'gt': |
925 |
$token = '>'; |
926 |
break; |
927 |
|
928 |
case 'ge': |
929 |
case 'gte': |
930 |
$token = '>='; |
931 |
break; |
932 |
|
933 |
case 'and': |
934 |
$token = '&&'; |
935 |
break; |
936 |
|
937 |
case 'or': |
938 |
$token = '||'; |
939 |
break; |
940 |
|
941 |
case 'not': |
942 |
$token = '!'; |
943 |
break; |
944 |
|
945 |
case 'mod': |
946 |
$token = '%'; |
947 |
break; |
948 |
|
949 |
case '(': |
950 |
array_push($is_arg_stack, $i); |
951 |
break; |
952 |
|
953 |
case 'is': |
954 |
/* If last token was a ')', we operate on the parenthesized |
955 |
expression. The start of the expression is on the stack. |
956 |
Otherwise, we operate on the last encountered token. */ |
957 |
if ($tokens[$i-1] == ')') |
958 |
$is_arg_start = array_pop($is_arg_stack); |
959 |
else |
960 |
$is_arg_start = $i-1; |
961 |
/* Construct the argument for 'is' expression, so it knows |
962 |
what to operate on. */ |
963 |
$is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start)); |
964 |
|
965 |
/* Pass all tokens from next one until the end to the |
966 |
'is' expression parsing function. The function will |
967 |
return modified tokens, where the first one is the result |
968 |
of the 'is' expression and the rest are the tokens it |
969 |
didn't touch. */ |
970 |
$new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1)); |
971 |
|
972 |
/* Replace the old tokens with the new ones. */ |
973 |
array_splice($tokens, $is_arg_start, count($tokens), $new_tokens); |
974 |
|
975 |
/* Adjust argument start so that it won't change from the |
976 |
current position for the next iteration. */ |
977 |
$i = $is_arg_start; |
978 |
break; |
979 |
} |
980 |
} |
981 |
|
982 |
if ($elseif) |
983 |
return '<?php elseif ('.implode(' ', $tokens).'): ?>'; |
984 |
else |
985 |
return '<?php if ('.implode(' ', $tokens).'): ?>'; |
986 |
} |
987 |
|
988 |
function _parse_is_expr($is_arg, $tokens) |
989 |
{ |
990 |
$expr_end = 0; |
991 |
|
992 |
if (($first_token = array_shift($tokens)) == 'not') { |
993 |
$negate_expr = true; |
994 |
$expr_type = array_shift($tokens); |
995 |
} else |
996 |
$expr_type = $first_token; |
997 |
|
998 |
switch ($expr_type) { |
999 |
case 'even': |
1000 |
if ($tokens[$expr_end] == 'by') { |
1001 |
$expr_end++; |
1002 |
$expr_arg = $tokens[$expr_end++]; |
1003 |
$expr = "!(($is_arg / $expr_arg) % $expr_arg)"; |
1004 |
} |
1005 |
else |
1006 |
$expr = "!($is_arg % 2)"; |
1007 |
break; |
1008 |
|
1009 |
case 'odd': |
1010 |
if ($tokens[$expr_end] == 'by') { |
1011 |
$expr_end++; |
1012 |
$expr_arg = $tokens[$expr_end++]; |
1013 |
$expr = "(($is_arg / $expr_arg) % $expr_arg)"; |
1014 |
} |
1015 |
else |
1016 |
$expr = "($is_arg % 2)"; |
1017 |
break; |
1018 |
|
1019 |
case 'div': |
1020 |
if ($tokens[$expr_end] == 'by') { |
1021 |
$expr_end++; |
1022 |
$expr_arg = $tokens[$expr_end++]; |
1023 |
$expr = "!($is_arg % $expr_arg)"; |
1024 |
} else { |
1025 |
$this->_syntax_error("expecting 'by' after 'div'"); |
1026 |
} |
1027 |
break; |
1028 |
|
1029 |
default: |
1030 |
$this->_syntax_error("unknown 'is' expression - '$expr_type'"); |
1031 |
break; |
1032 |
} |
1033 |
|
1034 |
if ($negate_expr) { |
1035 |
$expr = "!($expr)"; |
1036 |
} |
1037 |
|
1038 |
array_splice($tokens, 0, $expr_end, $expr); |
1039 |
|
1040 |
return $tokens; |
1041 |
} |
1042 |
|
1043 |
|
1044 |
/*======================================================================*\ |
1045 |
Function: _parse_attrs |
1046 |
Purpose: Parse attribute string |
1047 |
\*======================================================================*/ |
1048 |
function _parse_attrs($tag_args, $quote = true) |
1049 |
{ |
1050 |
/* Tokenize tag attributes. */ |
1051 |
preg_match_all('/(?:"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | |
1052 |
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | (?>[^"\'=\s]+) |
1053 |
)+ | |
1054 |
[=] |
1055 |
/x', $tag_args, $match); |
1056 |
$tokens = $match[0]; |
1057 |
$var_delims = array('$', '#', '%'); |
1058 |
|
1059 |
$attrs = array(); |
1060 |
/* Parse state: |
1061 |
0 - expecting attribute name |
1062 |
1 - expecting '=' |
1063 |
2 - expecting attribute value (not '=') */ |
1064 |
$state = 0; |
1065 |
|
1066 |
foreach ($tokens as $token) { |
1067 |
switch ($state) { |
1068 |
case 0: |
1069 |
/* If the token is a valid identifier, we set attribute name |
1070 |
and go to state 1. */ |
1071 |
if (preg_match('!^\w+$!', $token)) { |
1072 |
$attr_name = $token; |
1073 |
$state = 1; |
1074 |
} else |
1075 |
$this->_syntax_error("invalid attribute name - '$token'"); |
1076 |
break; |
1077 |
|
1078 |
case 1: |
1079 |
/* If the token is '=', then we go to state 2. */ |
1080 |
if ($token == '=') { |
1081 |
$state = 2; |
1082 |
} else |
1083 |
$this->_syntax_error("expecting '=' after attribute name"); |
1084 |
break; |
1085 |
|
1086 |
case 2: |
1087 |
/* If token is not '=', we set the attribute value and go to |
1088 |
state 0. */ |
1089 |
if ($token != '=') { |
1090 |
/* We booleanize the token if it's a non-quoted possible |
1091 |
boolean value. */ |
1092 |
if (preg_match('!^(on|yes|true)$!', $token)) |
1093 |
$token = true; |
1094 |
else if (preg_match('!^(off|no|false)$!', $token)) |
1095 |
$token = false; |
1096 |
/* If the token is not variable (doesn't start with |
1097 |
'$', '#', or '%') and not enclosed in single or |
1098 |
double quotes we single-quote it. */ |
1099 |
else if ($quote && !in_array($token{0}, $var_delims) && |
1100 |
!(($token{0} == '"' || $token[0] == "'") && |
1101 |
$token{strlen($token)-1} == $token{0})) |
1102 |
$token = "'".$token."'"; |
1103 |
|
1104 |
$attrs[$attr_name] = $token; |
1105 |
$state = 0; |
1106 |
} else |
1107 |
$this->_syntax_error("'=' cannot be an attribute value"); |
1108 |
break; |
1109 |
} |
1110 |
} |
1111 |
|
1112 |
$this->_parse_vars_props($attrs); |
1113 |
|
1114 |
return $attrs; |
1115 |
} |
1116 |
|
1117 |
|
1118 |
/*======================================================================*\ |
1119 |
Function: _preg_grep |
1120 |
Purpose: Emulate PHP's preg_grep() |
1121 |
\*======================================================================*/ |
1122 |
function _preg_grep($pattern, $array) |
1123 |
{ |
1124 |
$result = array(); |
1125 |
|
1126 |
foreach ($array as $key => $entry) { |
1127 |
if (preg_match($pattern, $entry)) |
1128 |
$result[$key] = $entry; |
1129 |
} |
1130 |
|
1131 |
return $result; |
1132 |
} |
1133 |
|
1134 |
function _parse_vars_props(&$tokens) |
1135 |
{ |
1136 |
$qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
1137 |
|
1138 |
/* preg_grep() was fixed to return keys properly in 4.0.4 and later. To |
1139 |
allow people to use older versions of PHP we emulate preg_grep() and |
1140 |
use the version check to see what function to call. */ |
1141 |
if (strnatcmp(PHP_VERSION, '4.0.4') >= 0) { |
1142 |
$var_exprs = preg_grep('!^\$(\w+/)*\w+(?>\.\w+)*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1143 |
$conf_var_exprs = preg_grep('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1144 |
$sect_prop_exprs = preg_grep('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1145 |
} else { |
1146 |
$var_exprs = $this->_preg_grep('!^\$(\w+/)*\w+(?>\.\w+)*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1147 |
$conf_var_exprs = $this->_preg_grep('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1148 |
$sect_prop_exprs = $this->_preg_grep('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1149 |
} |
1150 |
|
1151 |
if (count($var_exprs)) { |
1152 |
foreach ($var_exprs as $expr_index => $var_expr) { |
1153 |
$tokens[$expr_index] = $this->_parse_var($var_expr); |
1154 |
} |
1155 |
} |
1156 |
|
1157 |
if (count($conf_var_exprs)) { |
1158 |
foreach ($conf_var_exprs as $expr_index => $var_expr) { |
1159 |
$tokens[$expr_index] = $this->_parse_conf_var($var_expr); |
1160 |
} |
1161 |
} |
1162 |
|
1163 |
if (count($sect_prop_exprs)) { |
1164 |
foreach ($sect_prop_exprs as $expr_index => $section_prop_expr) { |
1165 |
$tokens[$expr_index] = $this->_parse_section_prop($section_prop_expr); |
1166 |
} |
1167 |
} |
1168 |
} |
1169 |
|
1170 |
function _parse_var($var_expr) |
1171 |
{ |
1172 |
list($var_ref, $modifiers) = explode('|', substr($var_expr, 1), 2); |
1173 |
|
1174 |
$sections = explode('/', $var_ref); |
1175 |
$props = explode('.', array_pop($sections)); |
1176 |
$var_name = array_shift($props); |
1177 |
|
1178 |
$output = "\$$var_name"; |
1179 |
|
1180 |
foreach ($sections as $section) { |
1181 |
$output .= "[\$_sections['$section']['properties']['index']]"; |
1182 |
} |
1183 |
foreach ($props as $prop) { |
1184 |
$output .= "['$prop']"; |
1185 |
} |
1186 |
|
1187 |
$this->_parse_modifiers($output, $modifiers); |
1188 |
|
1189 |
return $output; |
1190 |
} |
1191 |
|
1192 |
function _parse_conf_var($conf_var_expr) |
1193 |
{ |
1194 |
list($var_ref, $modifiers) = explode('|', $conf_var_expr, 2); |
1195 |
|
1196 |
$var_name = substr($var_ref, 1, -1); |
1197 |
|
1198 |
$output = "\$_config['$var_name']"; |
1199 |
|
1200 |
$this->_parse_modifiers($output, $modifiers); |
1201 |
|
1202 |
return $output; |
1203 |
} |
1204 |
|
1205 |
function _parse_section_prop($section_prop_expr) |
1206 |
{ |
1207 |
list($var_ref, $modifiers) = explode('|', $section_prop_expr, 2); |
1208 |
|
1209 |
preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match); |
1210 |
$section_name = $match[1]; |
1211 |
$prop_name = $match[2]; |
1212 |
|
1213 |
$output = "\$_sections['$section_name']['properties']['$prop_name']"; |
1214 |
|
1215 |
$this->_parse_modifiers($output, $modifiers); |
1216 |
|
1217 |
return $output; |
1218 |
} |
1219 |
|
1220 |
function _parse_modifiers(&$output, $modifier_string) |
1221 |
{ |
1222 |
$qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
1223 |
preg_match_all('!\|(@?\w+)((?>:(?:'. $qstr_regexp . '|[^|]+))*)!', '|' . $modifier_string, $match); |
1224 |
list(, $modifiers, $modifier_arg_strings) = $match; |
1225 |
|
1226 |
for ($i = 0; $i < count($modifiers); $i++) { |
1227 |
$modifier_name = $modifiers[$i]; |
1228 |
preg_match_all('!:(' . $qstr_regexp . '|[^:]+)!', $modifier_arg_strings[$i], $match); |
1229 |
$modifier_args = $match[1]; |
1230 |
|
1231 |
if ($modifier_name{0} == '@') { |
1232 |
$map_array = 'false'; |
1233 |
$modifier_name = substr($modifier_name, 1); |
1234 |
} else |
1235 |
$map_array = 'true'; |
1236 |
|
1237 |
/* |
1238 |
* First we lookup the modifier function name in the registered |
1239 |
* modifiers table. |
1240 |
*/ |
1241 |
$mod_func_name = $this->custom_mods[$modifier_name]; |
1242 |
|
1243 |
/* |
1244 |
* If we don't find that modifier there, we assume it's just a PHP |
1245 |
* function name. |
1246 |
*/ |
1247 |
if (!isset($mod_func_name)) |
1248 |
$mod_func_name = $modifier_name; |
1249 |
|
1250 |
if (!function_exists($mod_func_name)) { |
1251 |
$this->_syntax_error("modifier '$modifier_name' is not implemented", E_USER_WARNING); |
1252 |
continue; |
1253 |
} |
1254 |
|
1255 |
$this->_parse_vars_props($modifier_args); |
1256 |
|
1257 |
if (count($modifier_args) > 0) |
1258 |
$modifier_args = ', '.implode(', ', $modifier_args); |
1259 |
else |
1260 |
$modifier_args = ''; |
1261 |
|
1262 |
$output = "_smarty_mod_handler('$mod_func_name', $map_array, $output$modifier_args)"; |
1263 |
} |
1264 |
} |
1265 |
|
1266 |
|
1267 |
/*======================================================================*\ |
1268 |
Function: _dequote |
1269 |
Purpose: Remove starting and ending quotes from the string |
1270 |
\*======================================================================*/ |
1271 |
function _dequote($string) |
1272 |
{ |
1273 |
if (($string{0} == "'" || $string{0} == '"') && |
1274 |
$string{strlen($string)-1} == $string{0}) |
1275 |
return substr($string, 1, -1); |
1276 |
else |
1277 |
return $string; |
1278 |
} |
1279 |
|
1280 |
|
1281 |
/*======================================================================*\ |
1282 |
Function: _read_file() |
1283 |
Purpose: read in a file |
1284 |
\*======================================================================*/ |
1285 |
|
1286 |
function _read_file($filename) |
1287 |
|
1288 |
{ |
1289 |
if (!($fd = fopen($filename, 'r'))) { |
1290 |
$this->_set_error_msg("problem reading '$filename.'"); |
1291 |
return false; |
1292 |
} |
1293 |
flock($fd, LOCK_SH); |
1294 |
$contents = fread($fd, filesize($filename)); |
1295 |
fclose($fd); |
1296 |
return $contents; |
1297 |
} |
1298 |
|
1299 |
/*======================================================================*\ |
1300 |
Function: _write_file() |
1301 |
Purpose: write out a file |
1302 |
\*======================================================================*/ |
1303 |
|
1304 |
function _write_file($filename, $contents, $create_dirs = false) |
1305 |
{ |
1306 |
if($create_dirs) |
1307 |
$this->_create_dir_structure(dirname($filename)); |
1308 |
|
1309 |
if (!($fd = fopen($filename, 'a'))) { |
1310 |
$this->_set_error_msg("problem writing '$filename.'"); |
1311 |
return false; |
1312 |
} |
1313 |
flock($fd, LOCK_EX); |
1314 |
|
1315 |
$fd_safe = fopen($filename, 'w'); |
1316 |
|
1317 |
fwrite($fd_safe, $contents); |
1318 |
fclose($fd_safe); |
1319 |
fclose($fd); |
1320 |
|
1321 |
return true; |
1322 |
} |
1323 |
|
1324 |
|
1325 |
/*======================================================================*\ |
1326 |
Function: _clear_tpl_cache_dir |
1327 |
Purpose: Clear the specified template cache |
1328 |
\*======================================================================*/ |
1329 |
function _clear_tpl_cache_dir($cache_tpl_md5) |
1330 |
{ |
1331 |
$cache_dir = $this->cache_dir.'/'.$cache_tpl_md5; |
1332 |
|
1333 |
if (!is_dir($cache_dir)) |
1334 |
return false; |
1335 |
|
1336 |
$dir_handle = opendir($cache_dir); |
1337 |
while ($curr_dir = readdir($dir_handle)) { |
1338 |
$cache_path_dir = $cache_dir.'/'.$curr_dir; |
1339 |
if ($curr_dir == '.' || $curr_dir == '..' || |
1340 |
!is_dir($cache_path_dir)) |
1341 |
continue; |
1342 |
|
1343 |
$dir_handle2 = opendir($cache_path_dir); |
1344 |
while ($curr_file = readdir($dir_handle2)) { |
1345 |
if ($curr_file == '.' || $curr_file == '..') |
1346 |
continue; |
1347 |
|
1348 |
$cache_file = $cache_path_dir.'/'.$curr_file; |
1349 |
if (is_file($cache_file)) |
1350 |
unlink($cache_file); |
1351 |
} |
1352 |
closedir($dir_handle2); |
1353 |
@rmdir($cache_path_dir); |
1354 |
} |
1355 |
closedir($dir_handle); |
1356 |
@rmdir($cache_dir); |
1357 |
|
1358 |
return true; |
1359 |
} |
1360 |
|
1361 |
|
1362 |
/*======================================================================*\ |
1363 |
Function: _set_error_msg() |
1364 |
Purpose: set the error message |
1365 |
\*======================================================================*/ |
1366 |
|
1367 |
function _set_error_msg($error_msg) |
1368 |
{ |
1369 |
$this->_error_msg="smarty error: $error_msg"; |
1370 |
return true; |
1371 |
} |
1372 |
|
1373 |
/*======================================================================*\ |
1374 |
Function: _syntax_error |
1375 |
Purpose: display Smarty syntax error |
1376 |
\*======================================================================*/ |
1377 |
function _syntax_error($error_msg, $error_type = E_USER_ERROR) |
1378 |
{ |
1379 |
trigger_error("Smarty: [in " . $this->_current_file . " line " . |
1380 |
$this->_current_line_no . "]: syntax error: $error_msg", $error_type); |
1381 |
} |
1382 |
} |
1383 |
|
1384 |
/* vim: set expandtab: */ |
1385 |
|
1386 |
?> |