| 1 |
<? |
| 2 |
/* |
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* Project: Smarty: the PHP compiling template engine |
| 4 |
* File: Smarty.class.php |
| 5 |
* Author: Monte Ohrt <monte@ispi.net> |
| 6 |
* Andrei Zmievski <andrei@ispi.net> |
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* |
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* Version: 1.2.2 |
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* Copyright: 2001 ispi of Lincoln, Inc. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
| 13 |
* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; 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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class Smarty |
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{ |
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|
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// public vars |
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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. |
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|
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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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|
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|
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var $tpl_file_ext = ".tpl"; // template file extentions |
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|
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var $allow_php = false; // whether or not to allow embedded php |
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// in the templates. By default, php tags |
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// are escaped. |
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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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var $config_dir = "./configs"; // directory where config files are located |
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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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'img' => 'smarty_func_img', |
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'html_checkboxes' => 'smarty_func_html_checkboxes', |
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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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var $global_assign = array( 'SCRIPT_NAME' |
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); |
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|
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// internal vars |
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var $_error_msg = false; // error messages |
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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 $_current_line_no = 1; // line number for error messages |
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|
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|
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/*======================================================================*\ |
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Function: Smarty |
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Purpose: Constructor |
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\*======================================================================*/ |
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function Smarty() |
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{ |
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foreach ($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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unset($this->_tpl_vars[$tpl_var]); |
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} |
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|
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/*======================================================================*\ |
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Function: clear_all_assign() |
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Purpose: clear all the assigned template variables. |
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\*======================================================================*/ |
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|
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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 |
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Purpose: Returns an array containing template variables |
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\*======================================================================*/ |
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function &get_template_vars() |
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{ |
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return $this->_tpl_vars; |
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} |
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|
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|
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/*======================================================================*\ |
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Function: display() |
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Purpose: executes & displays the template results |
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\*======================================================================*/ |
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|
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function display($tpl_file) |
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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($this->_tpl_vars); |
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include($_compile_file); |
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} |
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|
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/*======================================================================*\ |
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Function: fetch() |
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Purpose: executes & returns the template results |
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\*======================================================================*/ |
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|
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function fetch($tpl_file) |
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{ |
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ob_start(); |
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$this->display($tpl_file); |
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$results = ob_get_contents(); |
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ob_end_clean(); |
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return $results; |
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} |
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|
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/*======================================================================*\ |
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Function: compile() |
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Purpose: called to compile the templates |
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\*======================================================================*/ |
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|
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function _compile($tpl_dir) |
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{ |
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if($this->compile_check) |
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{ |
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if($this->_traverse_files($tpl_dir, 0)) |
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return true; |
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else |
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return false; |
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} |
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else |
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return false; |
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} |
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|
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/*======================================================================*\ |
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Function: _traverse_files() |
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Purpose: traverse the template files & process each one |
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\*======================================================================*/ |
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|
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function _traverse_files($tpl_dir, $depth) |
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{ |
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if(is_dir($tpl_dir)) { |
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if($tpl_dir) |
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$dir_handle = opendir($tpl_dir); |
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|
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while($curr_file = readdir($dir_handle)) { |
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if ($curr_file == '.' || $curr_file == '..') |
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continue; |
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|
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$filepath = $tpl_dir."/".$curr_file; |
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if(is_readable($filepath)) { |
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if(is_file($filepath) && preg_match('!' . preg_quote($this->tpl_file_ext, '!') . '$!', $curr_file)) { |
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if(!$this->_process_file($filepath)) |
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return false; |
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} else if(is_dir($filepath)) { |
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if(!$this->_traverse_files($filepath, $depth + 1)) |
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return false; |
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} else { |
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// invalid file type, skipping |
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$this->_set_error_msg("Invalid filetype for $filepath, skipping"); |
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continue; |
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} |
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} |
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} |
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} else { |
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$this->_set_error_msg("Directory \"$tpl_dir\" does not exist or is not a directory."); |
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return false; |
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} |
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|
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return true; |
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} |
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|
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/*======================================================================*\ |
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Function: _process_file() |
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Input: test template files for modifications |
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and execute the compilation for each |
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one requiring it. |
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\*======================================================================*/ |
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|
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function _process_file($filepath) |
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{ |
| 277 |
if(preg_match("/^(.+)\/([^\/]+)$/", $filepath, $match)) { |
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$tpl_file_dir = $match[1]; |
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$tpl_file_name = $match[2] . ".php"; |
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|
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$compile_dir = preg_replace('!^' . preg_quote($this->template_dir, '!') . '!', |
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$this->compile_dir, $match[1]); |
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|
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//create directory if none exists |
| 285 |
if(!file_exists($compile_dir)) { |
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$compile_dir_parts = preg_split('!/+!', $compile_dir); |
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$new_dir = ""; |
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foreach ($compile_dir_parts as $dir_part) { |
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$new_dir .= $dir_part."/"; |
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if (!file_exists($new_dir) && !mkdir($new_dir, 0755)) { |
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$this->_set_error_msg("problem creating directory \"$compile_dir\""); |
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return false; |
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} |
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} |
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} |
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|
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// compile the template file if none exists or has been modified |
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if (!file_exists($compile_dir."/".$tpl_file_name) || |
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($this->_modified_file($filepath, $compile_dir."/".$tpl_file_name))) { |
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if (!$this->_compile_file($filepath, $compile_dir."/".$tpl_file_name)) |
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return false; |
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} else { |
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// no compilation needed |
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return true; |
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} |
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} else { |
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$this->_set_error_msg("problem matching \"$filepath.\""); |
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return false; |
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} |
| 310 |
|
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return true; |
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} |
| 313 |
|
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/*======================================================================*\ |
| 315 |
Function: _modified_file() |
| 316 |
Input: return comparison of modification times of files |
| 317 |
\*======================================================================*/ |
| 318 |
|
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function _modified_file($filepath, $compilepath) |
| 320 |
{ |
| 321 |
if(filemtime($filepath) >= filemtime($compilepath)) |
| 322 |
return true; |
| 323 |
return false; |
| 324 |
} |
| 325 |
|
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/*======================================================================*\ |
| 327 |
Function: _compile_file() |
| 328 |
Input: compile a template file |
| 329 |
\*======================================================================*/ |
| 330 |
|
| 331 |
function _compile_file($filepath, $compilepath) |
| 332 |
{ |
| 333 |
if (!($template_contents = $this->_read_file($filepath))) |
| 334 |
return false; |
| 335 |
|
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$this->_current_file = str_replace($this->template_dir . "/", "", $filepath); |
| 337 |
$this->_current_line_no = 1; |
| 338 |
$ldq = preg_quote($this->left_delimiter, '!'); |
| 339 |
$rdq = preg_quote($this->right_delimiter, '!'); |
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|
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/* Pull out the literal blocks. */ |
| 342 |
preg_match_all("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", $template_contents, $match); |
| 343 |
$this->_literal_blocks = $match[1]; |
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$template_contents = preg_replace("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", |
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'{literal}', $template_contents); |
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|
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/* Gather all template tags. */ |
| 348 |
preg_match_all("!{$ldq}\s*(.*?)\s*{$rdq}!s", $template_contents, $match); |
| 349 |
$template_tags = $match[1]; |
| 350 |
/* Split content by template tags to obtain non-template content. */ |
| 351 |
$text_blocks = preg_split("!{$ldq}.*?{$rdq}!s", $template_contents); |
| 352 |
if(!$this->allow_php) { |
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/* Escape php tags. */ |
| 354 |
$text_blocks = preg_replace('!<\?([^?]*?)\?>!', '<?$1?>', $text_blocks); |
| 355 |
} |
| 356 |
|
| 357 |
/* Compile the template tags into PHP code. */ |
| 358 |
$compiled_tags = array(); |
| 359 |
for ($i = 0; $i < count($template_tags); $i++) { |
| 360 |
$this->_current_line_no += substr_count($text_blocks[$i], "\n"); |
| 361 |
$compiled_tags[] = $this->_compile_tag($template_tags[$i]); |
| 362 |
$this->_current_line_no += substr_count($template_tags[$i], "\n"); |
| 363 |
} |
| 364 |
|
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$compiled_contents = ""; |
| 366 |
|
| 367 |
/* Interleave the compiled contents and text blocks to get the final result. */ |
| 368 |
for ($i = 0; $i < count($compiled_tags); $i++) { |
| 369 |
$compiled_contents .= $text_blocks[$i].$compiled_tags[$i]; |
| 370 |
} |
| 371 |
$compiled_contents .= $text_blocks[$i]; |
| 372 |
|
| 373 |
/* Reformat data between 'strip' and '/strip' tags, removing spaces, tabs and newlines. */ |
| 374 |
if (preg_match_all("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", $compiled_contents, $match)) { |
| 375 |
$strip_tags = $match[0]; |
| 376 |
$strip_tags_modified = preg_replace("!{$ldq}/?strip{$rdq}|[\t ]+$|^[\t ]+!m", '', $strip_tags); |
| 377 |
$strip_tags_modified = preg_replace('![\r\n]+!m', '', $strip_tags_modified); |
| 378 |
for ($i = 0; $i < count($strip_tags); $i++) |
| 379 |
$compiled_contents = preg_replace("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", |
| 380 |
$strip_tags_modified[$i], $compiled_contents, 1); |
| 381 |
} |
| 382 |
|
| 383 |
if(!$this->_write_file($compilepath, $compiled_contents)) |
| 384 |
return false; |
| 385 |
|
| 386 |
return true; |
| 387 |
} |
| 388 |
|
| 389 |
function _compile_tag($template_tag) |
| 390 |
{ |
| 391 |
/* Matched comment. */ |
| 392 |
if ($template_tag{0} == '*' && $template_tag{strlen($template_tag)-1} == '*') |
| 393 |
return ""; |
| 394 |
|
| 395 |
/* Split tag into two parts: command and the arguments. */ |
| 396 |
preg_match('/^( |
| 397 |
(?:"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | \'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | (?>[^"\'\s]+))+ |
| 398 |
) |
| 399 |
(?:\s+(.*))? |
| 400 |
/xs', $template_tag, $match); |
| 401 |
list(, $tag_command, $tag_args) = $match; |
| 402 |
|
| 403 |
/* If the tag name matches a variable or section property definition, |
| 404 |
we simply process it. */ |
| 405 |
if (preg_match('!^\$(\w+/)*\w+(?>\.\w+)*(?>\|@?\w+(:[^|]+)?)*$!', $tag_command) || // if a variable |
| 406 |
preg_match('!^#(\w+)#(?>\|@?\w+(:[^|]+)?)*$!', $tag_command) || // or a configuration variable |
| 407 |
preg_match('!^%\w+\.\w+%(?>\|@?\w+(:[^|]+)?)*$!', $tag_command)) { // or a section property |
| 408 |
settype($tag_command, 'array'); |
| 409 |
$this->_parse_vars_props($tag_command); |
| 410 |
return "<?php print $tag_command[0]; ?>"; |
| 411 |
} |
| 412 |
|
| 413 |
switch ($tag_command) { |
| 414 |
case 'include': |
| 415 |
return $this->_compile_include_tag($tag_args); |
| 416 |
|
| 417 |
case 'if': |
| 418 |
return $this->_compile_if_tag($tag_args); |
| 419 |
|
| 420 |
case 'else': |
| 421 |
return '<?php else: ?>'; |
| 422 |
|
| 423 |
case 'elseif': |
| 424 |
return $this->_compile_if_tag($tag_args, true); |
| 425 |
|
| 426 |
case '/if': |
| 427 |
return '<?php endif; ?>'; |
| 428 |
|
| 429 |
case 'ldelim': |
| 430 |
return $this->left_delimiter; |
| 431 |
|
| 432 |
case 'rdelim': |
| 433 |
return $this->right_delimiter; |
| 434 |
|
| 435 |
case 'section': |
| 436 |
array_push($this->_sectionelse_stack, false); |
| 437 |
return $this->_compile_section_start($tag_args); |
| 438 |
|
| 439 |
case 'sectionelse': |
| 440 |
$this->_sectionelse_stack[count($this->_sectionelse_stack)-1] = true; |
| 441 |
return "<?php endfor; else: ?>"; |
| 442 |
|
| 443 |
case '/section': |
| 444 |
if (array_pop($this->_sectionelse_stack)) |
| 445 |
return "<?php endif; ?>"; |
| 446 |
else |
| 447 |
return "<?php endfor; endif; ?>"; |
| 448 |
|
| 449 |
case 'config_load': |
| 450 |
return $this->_compile_config_load_tag($tag_args); |
| 451 |
|
| 452 |
case 'strip': |
| 453 |
case '/strip': |
| 454 |
return $this->left_delimiter.$tag_command.$this->right_delimiter; |
| 455 |
|
| 456 |
case 'literal': |
| 457 |
list (,$literal_block) = each($this->_literal_blocks); |
| 458 |
$this->_current_line_no += substr_count($literal_block, "\n"); |
| 459 |
return $literal_block; |
| 460 |
|
| 461 |
case 'insert': |
| 462 |
return $this->_compile_insert_tag($tag_args); |
| 463 |
|
| 464 |
default: |
| 465 |
if (isset($this->custom_funcs[$tag_command])) { |
| 466 |
return $this->_compile_custom_tag($tag_command, $tag_args); |
| 467 |
} else { |
| 468 |
$this->_syntax_error("unknown tag - '$tag_command'", E_USER_WARNING); |
| 469 |
return ""; |
| 470 |
} |
| 471 |
} |
| 472 |
} |
| 473 |
|
| 474 |
|
| 475 |
function _compile_custom_tag($tag_command, $tag_args) |
| 476 |
{ |
| 477 |
$attrs = $this->_parse_attrs($tag_args); |
| 478 |
$function = $this->custom_funcs[$tag_command]; |
| 479 |
foreach ($attrs as $arg_name => $arg_value) { |
| 480 |
if (is_bool($arg_value)) |
| 481 |
$arg_value = $arg_value ? 'true' : 'false'; |
| 482 |
$arg_list[] = "'$arg_name' => $arg_value"; |
| 483 |
} |
| 484 |
|
| 485 |
return "<?php $function(array(".implode(',', (array)$arg_list).")); ?>"; |
| 486 |
} |
| 487 |
|
| 488 |
|
| 489 |
function _compile_insert_tag($tag_args) |
| 490 |
{ |
| 491 |
$attrs = $this->_parse_attrs($tag_args); |
| 492 |
$name = substr($attrs['name'], 1, -1); |
| 493 |
|
| 494 |
if (empty($name)) { |
| 495 |
$this->_syntax_error("missing insert name"); |
| 496 |
} |
| 497 |
|
| 498 |
foreach ($attrs as $arg_name => $arg_value) { |
| 499 |
if ($arg_name == 'name') continue; |
| 500 |
if (is_bool($arg_value)) |
| 501 |
$arg_value = $arg_value ? 'true' : 'false'; |
| 502 |
$arg_list[] = "'$arg_name' => $arg_value"; |
| 503 |
} |
| 504 |
|
| 505 |
return "<?php print insert_$name(array(".implode(',', (array)$arg_list).")); ?>"; |
| 506 |
} |
| 507 |
|
| 508 |
|
| 509 |
function _compile_config_load_tag($tag_args) |
| 510 |
{ |
| 511 |
$attrs = $this->_parse_attrs($tag_args); |
| 512 |
|
| 513 |
if (empty($attrs['file'])) { |
| 514 |
$this->_syntax_error("missing 'file' attribute in config_load tag"); |
| 515 |
} |
| 516 |
|
| 517 |
$output = "<?php if (!class_exists('Config_File'))\n" . |
| 518 |
" include_once 'Config_File.class.php';\n" . |
| 519 |
"if (!is_object(\$_conf_obj) || get_class(\$_conf_obj) != 'config_file') {\n" . |
| 520 |
" \$_conf_obj = new Config_File('".$this->config_dir."');\n" . |
| 521 |
"}\n" . |
| 522 |
"\$_config = array_merge((array)\$_config, \$_conf_obj->get(".$attrs['file']."));\n"; |
| 523 |
|
| 524 |
if (!empty($attrs['section'])) |
| 525 |
$output .= '$_config = array_merge((array)$_config, $_conf_obj->get('.$attrs['file'].', '.$attrs['section'].')); '; |
| 526 |
|
| 527 |
$output .= '?>'; |
| 528 |
|
| 529 |
return $output; |
| 530 |
} |
| 531 |
|
| 532 |
|
| 533 |
function _compile_include_tag($tag_args) |
| 534 |
{ |
| 535 |
$attrs = $this->_parse_attrs($tag_args); |
| 536 |
|
| 537 |
if (empty($attrs['file'])) { |
| 538 |
$this->_syntax_error("missing 'file' attribute in include tag"); |
| 539 |
} else |
| 540 |
$attrs['file'] = $this->_dequote($attrs['file']); |
| 541 |
|
| 542 |
if (count($attrs) > 1) { |
| 543 |
$include_func_name = uniqid("_include_"); |
| 544 |
$include_file_name = $this->compile_dir.'/'.$attrs['file']; |
| 545 |
|
| 546 |
foreach ($attrs as $arg_name => $arg_value) { |
| 547 |
if ($arg_name == 'file') continue; |
| 548 |
if (is_bool($arg_value)) |
| 549 |
$arg_value = $arg_value ? 'true' : 'false'; |
| 550 |
$arg_list[] = "'$arg_name' => $arg_value"; |
| 551 |
} |
| 552 |
|
| 553 |
return "<?php " . |
| 554 |
"function $include_func_name(\$file_name, \$def_vars, \$include_vars)\n" . |
| 555 |
"{\n" . |
| 556 |
" extract(\$def_vars);\n" . |
| 557 |
" extract(\$include_vars);\n" . |
| 558 |
" include \"\$file_name.php\";\n" . |
| 559 |
"}\n" . |
| 560 |
"$include_func_name(\"$include_file_name\", get_defined_vars(), array(".implode(',', (array)$arg_list)."));\n?>\n"; |
| 561 |
} else |
| 562 |
return '<?php include "'.$this->compile_dir.'/'.$attrs['file'].'.php"; ?>'; |
| 563 |
} |
| 564 |
|
| 565 |
function _compile_section_start($tag_args) |
| 566 |
{ |
| 567 |
$attrs = $this->_parse_attrs($tag_args); |
| 568 |
|
| 569 |
$output = "<?php "; |
| 570 |
$section_name = $attrs['name']; |
| 571 |
if (empty($section_name)) { |
| 572 |
$this->_syntax_error("missing section name"); |
| 573 |
} |
| 574 |
|
| 575 |
$output .= "unset(\$_sections[$section_name]);\n"; |
| 576 |
$section_props = "\$_sections[$section_name]['properties']"; |
| 577 |
|
| 578 |
foreach ($attrs as $attr_name => $attr_value) { |
| 579 |
switch ($attr_name) { |
| 580 |
case 'loop': |
| 581 |
$output .= "{$section_props}['loop'] = is_array($attr_value) ? count($attr_value) : $attr_value;\n"; |
| 582 |
break; |
| 583 |
|
| 584 |
case 'show': |
| 585 |
if (is_bool($attr_value)) |
| 586 |
$attr_value = $attr_value ? 'true' : 'false'; |
| 587 |
$output .= "{$section_props}['$attr_name'] = $attr_value;\n"; |
| 588 |
break; |
| 589 |
|
| 590 |
default: |
| 591 |
$output .= "{$section_props}['$attr_name'] = $attr_value;\n"; |
| 592 |
break; |
| 593 |
} |
| 594 |
} |
| 595 |
|
| 596 |
if (isset($attrs['loop'])) { |
| 597 |
$loop_check_code = "{$section_props}['loop'] > 0 && "; |
| 598 |
} else { |
| 599 |
$output .= "{$section_props}['loop'] = 1; #-fix- \n"; |
| 600 |
} |
| 601 |
|
| 602 |
if (isset($attrs['show'])) { |
| 603 |
$show_check_code = "{$section_props}['show'] && "; |
| 604 |
} else { |
| 605 |
$output .= "{$section_props}['show'] = {$section_props}['loop'] > 0;\n"; |
| 606 |
} |
| 607 |
|
| 608 |
$output .= "if ($loop_check_code $show_check_code true): "; |
| 609 |
|
| 610 |
$output .= " |
| 611 |
for ({$section_props}['index'] = 0; |
| 612 |
{$section_props}['index'] < {$section_props}['loop']; |
| 613 |
{$section_props}['index']++):\n"; |
| 614 |
$output .= "{$section_props}['rownum'] = {$section_props}['index'] + 1;\n"; |
| 615 |
|
| 616 |
$output .= "?>\n"; |
| 617 |
|
| 618 |
return $output; |
| 619 |
} |
| 620 |
|
| 621 |
function _compile_if_tag($tag_args, $elseif = false) |
| 622 |
{ |
| 623 |
/* Tokenize args for 'if' tag. */ |
| 624 |
preg_match_all('/(?: |
| 625 |
"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | # match all double quoted strings allowed escaped double quotes |
| 626 |
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | # match all single quoted strings allowed escaped single quotes |
| 627 |
[()] | # match parentheses |
| 628 |
[^"\'\s()]+ # match any other token that is not any of the above |
| 629 |
)/x', $tag_args, $match); |
| 630 |
$tokens = $match[0]; |
| 631 |
|
| 632 |
$this->_parse_vars_props($tokens); |
| 633 |
|
| 634 |
$is_arg_stack = array(); |
| 635 |
|
| 636 |
for ($i = 0; $i < count($tokens); $i++) { |
| 637 |
$token = &$tokens[$i]; |
| 638 |
switch ($token) { |
| 639 |
case 'eq': |
| 640 |
$token = '=='; |
| 641 |
break; |
| 642 |
|
| 643 |
case 'ne': |
| 644 |
case 'neq': |
| 645 |
$token = '!='; |
| 646 |
break; |
| 647 |
|
| 648 |
case 'lt': |
| 649 |
$token = '<'; |
| 650 |
break; |
| 651 |
|
| 652 |
case 'le': |
| 653 |
case 'lte': |
| 654 |
$token = '<='; |
| 655 |
break; |
| 656 |
|
| 657 |
case 'gt': |
| 658 |
$token = '>'; |
| 659 |
break; |
| 660 |
|
| 661 |
case 'ge': |
| 662 |
case 'gte': |
| 663 |
$token = '>='; |
| 664 |
break; |
| 665 |
|
| 666 |
case 'and': |
| 667 |
$token = '&&'; |
| 668 |
break; |
| 669 |
|
| 670 |
case 'or': |
| 671 |
$token = '||'; |
| 672 |
break; |
| 673 |
|
| 674 |
case 'not': |
| 675 |
$token = '!'; |
| 676 |
break; |
| 677 |
|
| 678 |
case 'mod': |
| 679 |
$token = '%'; |
| 680 |
break; |
| 681 |
|
| 682 |
case '(': |
| 683 |
array_push($is_arg_stack, $i); |
| 684 |
break; |
| 685 |
|
| 686 |
case 'is': |
| 687 |
/* If last token was a ')', we operate on the parenthesized |
| 688 |
expression. The start of the expression is on the stack. |
| 689 |
Otherwise, we operate on the last encountered token. */ |
| 690 |
if ($tokens[$i-1] == ')') |
| 691 |
$is_arg_start = array_pop($is_arg_stack); |
| 692 |
else |
| 693 |
$is_arg_start = $i-1; |
| 694 |
/* Construct the argument for 'is' expression, so it knows |
| 695 |
what to operate on. */ |
| 696 |
$is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start)); |
| 697 |
|
| 698 |
/* Pass all tokens from next one until the end to the |
| 699 |
'is' expression parsing function. The function will |
| 700 |
return modified tokens, where the first one is the result |
| 701 |
of the 'is' expression and the rest are the tokens it |
| 702 |
didn't touch. */ |
| 703 |
$new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1)); |
| 704 |
|
| 705 |
/* Replace the old tokens with the new ones. */ |
| 706 |
array_splice($tokens, $is_arg_start, count($tokens), $new_tokens); |
| 707 |
|
| 708 |
/* Adjust argument start so that it won't change from the |
| 709 |
current position for the next iteration. */ |
| 710 |
$i = $is_arg_start; |
| 711 |
break; |
| 712 |
} |
| 713 |
} |
| 714 |
|
| 715 |
if ($elseif) |
| 716 |
return '<?php elseif ('.implode(' ', $tokens).'): ?>'; |
| 717 |
else |
| 718 |
return '<?php if ('.implode(' ', $tokens).'): ?>'; |
| 719 |
} |
| 720 |
|
| 721 |
function _parse_is_expr($is_arg, $tokens) |
| 722 |
{ |
| 723 |
$expr_end = 0; |
| 724 |
|
| 725 |
if (($first_token = array_shift($tokens)) == 'not') { |
| 726 |
$negate_expr = true; |
| 727 |
$expr_type = array_shift($tokens); |
| 728 |
} else |
| 729 |
$expr_type = $first_token; |
| 730 |
|
| 731 |
switch ($expr_type) { |
| 732 |
case 'even': |
| 733 |
if ($tokens[$expr_end] == 'by') { |
| 734 |
$expr_end++; |
| 735 |
$expr_arg = $tokens[$expr_end++]; |
| 736 |
$expr = "!(($is_arg / $expr_arg) % $expr_arg)"; |
| 737 |
} |
| 738 |
else |
| 739 |
$expr = "!($is_arg % 2)"; |
| 740 |
break; |
| 741 |
|
| 742 |
case 'odd': |
| 743 |
if ($tokens[$expr_end] == 'by') { |
| 744 |
$expr_end++; |
| 745 |
$expr_arg = $tokens[$expr_end++]; |
| 746 |
$expr = "(($is_arg / $expr_arg) % $expr_arg)"; |
| 747 |
} |
| 748 |
else |
| 749 |
$expr = "($is_arg % 2)"; |
| 750 |
break; |
| 751 |
|
| 752 |
case 'div': |
| 753 |
if ($tokens[$expr_end] == 'by') { |
| 754 |
$expr_end++; |
| 755 |
$expr_arg = $tokens[$expr_end++]; |
| 756 |
$expr = "!($is_arg % $expr_arg)"; |
| 757 |
} else { |
| 758 |
$this->_syntax_error("expecting 'by' after 'div'"); |
| 759 |
} |
| 760 |
break; |
| 761 |
|
| 762 |
default: |
| 763 |
$this->_syntax_error("unknown 'is' expression - '$expr_type'"); |
| 764 |
break; |
| 765 |
} |
| 766 |
|
| 767 |
if ($negate_expr) { |
| 768 |
$expr = "!($expr)"; |
| 769 |
} |
| 770 |
|
| 771 |
array_splice($tokens, 0, $expr_end, $expr); |
| 772 |
|
| 773 |
return $tokens; |
| 774 |
} |
| 775 |
|
| 776 |
function _parse_attrs($tag_args) |
| 777 |
{ |
| 778 |
/* Tokenize tag attributes. */ |
| 779 |
preg_match_all('/(?:"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | |
| 780 |
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | (?>[^"\'=\s]+) |
| 781 |
)+ | |
| 782 |
[=] |
| 783 |
/x', $tag_args, $match); |
| 784 |
$tokens = $match[0]; |
| 785 |
$var_delims = array('$', '#', '%'); |
| 786 |
|
| 787 |
$attrs = array(); |
| 788 |
/* Parse state: |
| 789 |
0 - expecting attr name |
| 790 |
1 - expecting '=' or another attr name |
| 791 |
2 - expecting attr value (not '=') */ |
| 792 |
$state = 0; |
| 793 |
|
| 794 |
foreach ($tokens as $token) { |
| 795 |
switch ($state) { |
| 796 |
case 0: |
| 797 |
/* If the token is a valid identifier, we set attribute name |
| 798 |
and go to state 1. */ |
| 799 |
if (preg_match('!\w+!', $token)) { |
| 800 |
$attr_name = $token; |
| 801 |
$state = 1; |
| 802 |
} else |
| 803 |
$this->_syntax_error("invalid attribute name - '$token'"); |
| 804 |
break; |
| 805 |
|
| 806 |
case 1: |
| 807 |
/* If the token is a valid identifier, the previously set |
| 808 |
attribute name does not need an argument. We put it in |
| 809 |
the attrs array, set the new attribute name to the |
| 810 |
current token and don't switch state. |
| 811 |
|
| 812 |
If the token is '=', then we go to state 2. */ |
| 813 |
if ($token == '=') { |
| 814 |
$state = 2; |
| 815 |
} else |
| 816 |
$this->_syntax_error("expecting '=' after attribute name"); |
| 817 |
break; |
| 818 |
|
| 819 |
case 2: |
| 820 |
/* If token is not '=', we set the attribute value and go to |
| 821 |
state 0. */ |
| 822 |
if ($token != '=') { |
| 823 |
/* We booleanize the token if it's a non-quoted possible |
| 824 |
boolean value. */ |
| 825 |
if (preg_match('!^(on|yes|true)$!', $token)) |
| 826 |
$token = true; |
| 827 |
else if (preg_match('!^(off|no|false)$!', $token)) |
| 828 |
$token = false; |
| 829 |
/* If the token is not variable (doesn't start with |
| 830 |
'$', '#', or '%') and not enclosed in single or |
| 831 |
double quotes we single-quote it. */ |
| 832 |
else if (!in_array($token{0}, $var_delims) && |
| 833 |
!(($token{0} == '"' || $token[0] == "'") && |
| 834 |
$token{strlen($token)-1} == $token{0})) |
| 835 |
$token = "'".$token."'"; |
| 836 |
|
| 837 |
$attrs[$attr_name] = $token; |
| 838 |
$state = 0; |
| 839 |
} else |
| 840 |
$this->_syntax_error("'=' cannot be an attribute value"); |
| 841 |
break; |
| 842 |
} |
| 843 |
} |
| 844 |
|
| 845 |
$this->_parse_vars_props($attrs); |
| 846 |
|
| 847 |
return $attrs; |
| 848 |
} |
| 849 |
|
| 850 |
function _preg_grep($pattern, $array) |
| 851 |
{ |
| 852 |
$result = array(); |
| 853 |
|
| 854 |
foreach ($array as $key => $entry) { |
| 855 |
if (preg_match($pattern, $entry)) |
| 856 |
$result[$key] = $entry; |
| 857 |
} |
| 858 |
|
| 859 |
return $result; |
| 860 |
} |
| 861 |
|
| 862 |
function _parse_vars_props(&$tokens) |
| 863 |
{ |
| 864 |
/* preg_grep() was fixed to return keys properly in 4.0.4 and later. To |
| 865 |
allow people to use older versions of PHP we emulate preg_grep() and |
| 866 |
use the version check to see what function to call. */ |
| 867 |
if (strnatcmp(PHP_VERSION, '4.0.4') >= 0) { |
| 868 |
$var_exprs = preg_grep('!^\$(\w+/)*\w+(?>\.\w+)*(?>\|@?\w+(:[^|]+)?)*$!', $tokens); |
| 869 |
$conf_var_exprs = preg_grep('!^#(\w+)#(?>\|@?\w+(:[^|]+)?)*$!', $tokens); |
| 870 |
$sect_prop_exprs = preg_grep('!^%\w+\.\w+%(?>\|@?\w+(:[^|]+)?)*$!', $tokens); |
| 871 |
} else { |
| 872 |
$var_exprs = $this->_preg_grep('!^\$(\w+/)*\w+(?>\.\w+)*(?>\|@?\w+(:[^|]+)?)*$!', $tokens); |
| 873 |
$conf_var_exprs = $this->_preg_grep('!^#(\w+)#(?>\|@?\w+(:[^|]+)?)*$!', $tokens); |
| 874 |
$sect_prop_exprs = $this->_preg_grep('!^%\w+\.\w+%(?>\|@?\w+(:[^|]+)?)*$!', $tokens); |
| 875 |
} |
| 876 |
|
| 877 |
if (count($var_exprs)) { |
| 878 |
foreach ($var_exprs as $expr_index => $var_expr) { |
| 879 |
$tokens[$expr_index] = $this->_parse_var($var_expr); |
| 880 |
} |
| 881 |
} |
| 882 |
|
| 883 |
if (count($conf_var_exprs)) { |
| 884 |
foreach ($conf_var_exprs as $expr_index => $var_expr) { |
| 885 |
$tokens[$expr_index] = $this->_parse_conf_var($var_expr); |
| 886 |
} |
| 887 |
} |
| 888 |
|
| 889 |
if (count($sect_prop_exprs)) { |
| 890 |
foreach ($sect_prop_exprs as $expr_index => $section_prop_expr) { |
| 891 |
$tokens[$expr_index] = $this->_parse_section_prop($section_prop_expr); |
| 892 |
} |
| 893 |
} |
| 894 |
} |
| 895 |
|
| 896 |
function _parse_var($var_expr) |
| 897 |
{ |
| 898 |
$modifiers = explode('|', substr($var_expr, 1)); |
| 899 |
|
| 900 |
$sections = explode('/', array_shift($modifiers)); |
| 901 |
$props = explode('.', array_pop($sections)); |
| 902 |
$var_name = array_shift($props); |
| 903 |
|
| 904 |
$output = "\$$var_name"; |
| 905 |
|
| 906 |
foreach ($sections as $section) { |
| 907 |
$output .= "[\$_sections['$section']['properties']['index']]"; |
| 908 |
} |
| 909 |
foreach ($props as $prop) { |
| 910 |
$output .= "['$prop']"; |
| 911 |
} |
| 912 |
|
| 913 |
$this->_parse_modifiers($output, $modifiers); |
| 914 |
|
| 915 |
return $output; |
| 916 |
} |
| 917 |
|
| 918 |
function _parse_conf_var($conf_var_expr) |
| 919 |
{ |
| 920 |
$modifiers = explode('|', $conf_var_expr); |
| 921 |
|
| 922 |
$var_name = substr(array_shift($modifiers), 1, -1); |
| 923 |
|
| 924 |
$output = "\$_config['$var_name']"; |
| 925 |
|
| 926 |
$this->_parse_modifiers($output, $modifiers); |
| 927 |
|
| 928 |
return $output; |
| 929 |
} |
| 930 |
|
| 931 |
function _parse_section_prop($section_prop_expr) |
| 932 |
{ |
| 933 |
$modifiers = explode('|', $section_prop_expr); |
| 934 |
|
| 935 |
preg_match('!%(\w+)\.(\w+)%!', array_shift($modifiers), $match); |
| 936 |
$section_name = $match[1]; |
| 937 |
$prop_name = $match[2]; |
| 938 |
|
| 939 |
$output = "\$_sections['$section_name']['properties']['$prop_name']"; |
| 940 |
|
| 941 |
$this->_parse_modifiers($output, $modifiers); |
| 942 |
|
| 943 |
return $output; |
| 944 |
} |
| 945 |
|
| 946 |
function _parse_modifiers(&$output, $modifiers) |
| 947 |
{ |
| 948 |
foreach ($modifiers as $modifier) { |
| 949 |
$modifier = explode(':', $modifier); |
| 950 |
$modifier_name = array_shift($modifier); |
| 951 |
|
| 952 |
if ($modifier_name{0} == '@') { |
| 953 |
$map_array = 'false'; |
| 954 |
$modifier_name = substr($modifier_name, 1); |
| 955 |
} else |
| 956 |
$map_array = 'true'; |
| 957 |
|
| 958 |
/* |
| 959 |
* First we lookup the modifier function name in the registered |
| 960 |
* modifiers table. |
| 961 |
*/ |
| 962 |
$mod_func_name = $this->custom_mods[$modifier_name]; |
| 963 |
|
| 964 |
/* |
| 965 |
* If we don't find that modifier there, we assume it's just a PHP |
| 966 |
* function name. |
| 967 |
*/ |
| 968 |
if (!isset($mod_func_name)) |
| 969 |
$mod_func_name = $modifier_name; |
| 970 |
|
| 971 |
$this->_parse_vars_props($modifier); |
| 972 |
|
| 973 |
if (count($modifier) > 0) |
| 974 |
$modifier_args = ', '.implode(', ', $modifier); |
| 975 |
else |
| 976 |
$modifier_args = ''; |
| 977 |
|
| 978 |
$output = "_smarty_mod_handler('$mod_func_name', $map_array, $output$modifier_args)"; |
| 979 |
} |
| 980 |
} |
| 981 |
|
| 982 |
|
| 983 |
/*======================================================================*\ |
| 984 |
Function: _dequote |
| 985 |
Purpose: Remove starting and ending quotes from the string |
| 986 |
\*======================================================================*/ |
| 987 |
function _dequote($string) |
| 988 |
{ |
| 989 |
if (($string{0} == "'" || $string{0} == '"') && |
| 990 |
$string{strlen($string)-1} == $string{0}) |
| 991 |
return substr($string, 1, -1); |
| 992 |
} |
| 993 |
|
| 994 |
|
| 995 |
/*======================================================================*\ |
| 996 |
Function: _read_file() |
| 997 |
Purpose: read in a file |
| 998 |
\*======================================================================*/ |
| 999 |
|
| 1000 |
function _read_file($filename) |
| 1001 |
{ |
| 1002 |
if(!($fd = fopen($filename, 'r'))) { |
| 1003 |
$this->_set_error_msg("problem reading '$filename.'"); |
| 1004 |
return false; |
| 1005 |
} |
| 1006 |
$contents = fread($fd, filesize($filename)); |
| 1007 |
fclose($fd); |
| 1008 |
return $contents; |
| 1009 |
} |
| 1010 |
|
| 1011 |
/*======================================================================*\ |
| 1012 |
Function: _write_file() |
| 1013 |
Purpose: write out a file |
| 1014 |
\*======================================================================*/ |
| 1015 |
|
| 1016 |
function _write_file($filename,$contents) |
| 1017 |
{ |
| 1018 |
if(!($fd = fopen($filename, 'w'))) { |
| 1019 |
$this->_set_error_msg("problem writing '$filename.'"); |
| 1020 |
return false; |
| 1021 |
} |
| 1022 |
fwrite($fd, $contents); |
| 1023 |
fclose($fd); |
| 1024 |
return true; |
| 1025 |
} |
| 1026 |
|
| 1027 |
/*======================================================================*\ |
| 1028 |
Function: _set_error_msg() |
| 1029 |
Purpose: set the error message |
| 1030 |
\*======================================================================*/ |
| 1031 |
|
| 1032 |
function _set_error_msg($error_msg) |
| 1033 |
{ |
| 1034 |
$this->_error_msg="smarty error: $error_msg"; |
| 1035 |
return true; |
| 1036 |
} |
| 1037 |
|
| 1038 |
/*======================================================================*\ |
| 1039 |
Function: _syntax_error |
| 1040 |
Purpose: display Smarty syntax error |
| 1041 |
\*======================================================================*/ |
| 1042 |
function _syntax_error($error_msg, $error_type = E_USER_ERROR) |
| 1043 |
{ |
| 1044 |
trigger_error("Smarty: [in " . $this->_current_file . " line " . |
| 1045 |
$this->_current_line_no . "]: syntax error: $error_msg", $error_type); |
| 1046 |
} |
| 1047 |
} |
| 1048 |
|
| 1049 |
?> |
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