mirror of
https://github.com/smarty-php/smarty.git
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1844 lines
63 KiB
PHP
1844 lines
63 KiB
PHP
<?php
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/**
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* Project: Smarty: the PHP compiling template engine
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* File: Smarty_Compiler.class.php
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* Author: Monte Ohrt <monte@ispi.net>
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* Andrei Zmievski <andrei@php.net>
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*
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* Version: 2.3.1
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* Copyright: 2001,2002 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@php.net
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*
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* Or, write to:
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* Monte Ohrt
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* Director of Technology, 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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class Smarty_Compiler extends Smarty {
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// internal vars
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var $_sectionelse_stack = array(); // keeps track of whether section had 'else' part
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var $_foreachelse_stack = array(); // keeps track of whether foreach had 'else' part
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var $_literal_blocks = array(); // keeps literal template blocks
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var $_php_blocks = array(); // keeps php code 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 $_capture_stack = array(); // keeps track of nested capture buffers
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var $_plugin_info = array(); // keeps track of plugins to load
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var $_init_smarty_vars = false;
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var $_permitted_tokens = array('true','false','yes','no','on','off');
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var $_db_qstr_regexp = null; // regexps are setup in the constructor
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var $_si_qstr_regexp = null;
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var $_qstr_regexp = null;
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var $_func_regexp = null;
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var $_dvar_regexp = null;
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var $_cvar_regexp = null;
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var $_svar_regexp = null;
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var $_avar_regexp = null;
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var $_mod_regexp = null;
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var $_var_regexp = null;
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var $_parenth_param_regexp = null;
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var $_func_call_regexp = null;
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var $_obj_call_regexp = null;
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/**
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* The class constructor.
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*
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* @access public
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*/
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function Smarty_Compiler()
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{
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// matches double quoted strings:
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// "foobar"
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// "foo\"bar"
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$this->_db_qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"';
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// matches single quoted strings:
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// 'foobar'
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// 'foo\'bar'
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$this->_si_qstr_regexp = '\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'';
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// matches single or double quoted strings
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$this->_qstr_regexp = '(?:' . $this->_db_qstr_regexp . '|' . $this->_si_qstr_regexp . ')';
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// matches $ vars (not objects):
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// $foo
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// $foo.bar
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// $foo.bar.foobar
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// $foo[0]
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// $foo[$bar]
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// $foo[5][blah]
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// $foo[5].bar[$foobar][4]
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$this->_dvar_regexp = '\$\w+(?:\[\$?[\w\.]+\])*(?:\.\$?\w+(?:\[\$?[\w\.]+\])*)*';
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// matches config vars:
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// #foo#
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// #foobar123_foo#
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$this->_cvar_regexp = '\#\w+\#';
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// matches section vars:
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// %foo.bar%
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$this->_svar_regexp = '\%\w+\.\w+\%';
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// matches all valid variables (no quotes, no modifiers)
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$this->_avar_regexp = '(?:' . $this->_dvar_regexp . '|'
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. $this->_cvar_regexp . '|' . $this->_svar_regexp . ')';
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// matches valid modifier syntax:
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// |foo
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// |@foo
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// |foo:"bar"
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// |foo:$bar
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// |foo:"bar":$foobar
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// |foo|bar
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// |foo
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$this->_mod_regexp = '(?:\|@?\w+(?::(?>\w+|'
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. $this->_avar_regexp . '|' . $this->_qstr_regexp .'))*)';
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// matches valid variable syntax:
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// $foo
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// $foo
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// #foo#
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// #foo#
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// "text"
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// "text"
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$this->_var_regexp = '(?:' . $this->_avar_regexp . '|' . $this->_qstr_regexp . ')';
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// matches valid object call (no objects allowed in parameters):
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// $foo->bar
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// $foo->bar()
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// $foo->bar("text")
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// $foo->bar($foo, $bar, "text")
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// $foo->bar($foo|bar, "foo"|bar)
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// $foo->bar->foo()
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// $foo->bar->foo->bar()
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$this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:\->\w+)+)';
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$this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:\((?:\w+|'
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. $this->_var_regexp . '(?>' . $this->_mod_regexp . '*)(?:\s*,\s*(?:(?:\w+|'
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. $this->_var_regexp . '(?>' . $this->_mod_regexp . '*))))*)?\))?)';
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// matches valid function name:
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// foo123
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// _foo_bar
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$this->_func_regexp = '[a-zA-Z_]\w*';
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// matches valid registered object:
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// foo.bar
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$this->_reg_obj_regexp = '[a-zA-Z_]\w*->[a-zA-Z_]\w*';
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// matches valid parameter values:
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// true
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// $foo
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// $foo|bar
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// #foo#
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// #foo#|bar
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// "text"
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// "text"|bar
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// $foo->bar
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$this->_param_regexp = '(?:\s*(?:' . $this->_obj_call_regexp . '|'
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. $this->_var_regexp . '|\w+)(?>' . $this->_mod_regexp . '*)\s*)';
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// matches valid parenthesised function parameters:
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//
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// "text"
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// $foo, $bar, "text"
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// $foo|bar, "foo"|bar, $foo->bar($foo)|bar
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$this->_parenth_param_regexp = '(?:\((?:\w+|'
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. $this->_param_regexp . '(?:\s*,\s*(?:(?:\w+|'
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. $this->_param_regexp . ')))*)?\))';
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// matches valid function call:
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// foo()
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// foo_bar($foo)
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// _foo_bar($foo,"bar")
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// foo123($foo,$foo->bar(),"foo")
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$this->_func_call_regexp = '(?:' . $this->_func_regexp . '\s*(?:'
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. $this->_parenth_param_regexp . '))';
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}
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/**
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* compile a template file
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*
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* @access public
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* @param $tpl_file
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* @param $template_source
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* @param $template_compiled
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*/
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function _compile_file($tpl_file, $template_source, &$template_compiled)
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{
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if ($this->security) {
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// do not allow php syntax to be executed unless specified
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if ($this->php_handling == SMARTY_PHP_ALLOW &&
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!$this->security_settings['PHP_HANDLING']) {
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$this->php_handling = SMARTY_PHP_PASSTHRU;
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}
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}
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$this->_load_filters();
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$this->_current_file = $tpl_file;
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$this->_current_line_no = 1;
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$ldq = preg_quote($this->left_delimiter, '!');
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$rdq = preg_quote($this->right_delimiter, '!');
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// run template source through prefilter functions
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if (count($this->_plugins['prefilter']) > 0) {
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foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) {
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if ($prefilter === false) continue;
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if ($prefilter[3] || function_exists($prefilter[0])) {
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$template_source = $prefilter[0]($template_source, $this);
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$this->_plugins['prefilter'][$filter_name][3] = true;
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} else {
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$this->_trigger_fatal_error("[plugin] prefilter '$filter_name' is not implemented");
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}
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}
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}
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/* Annihilate the comments. */
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$template_source = preg_replace("!({$ldq})\*(.*?)\*({$rdq})!se",
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"'\\1*'.str_repeat(\"\n\", substr_count('\\2', \"\n\")) .'*\\3'",
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$template_source);
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/* Pull out the literal blocks. */
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preg_match_all("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", $template_source, $match);
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$this->_literal_blocks = $match[1];
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$template_source = preg_replace("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s",
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$this->quote_replace($this->left_delimiter.'literal'.$this->right_delimiter), $template_source);
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/* Pull out the php code blocks. */
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preg_match_all("!{$ldq}php{$rdq}(.*?){$ldq}/php{$rdq}!s", $template_source, $match);
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$this->_php_blocks = $match[1];
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$template_source = preg_replace("!{$ldq}php{$rdq}(.*?){$ldq}/php{$rdq}!s",
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$this->quote_replace($this->left_delimiter.'php'.$this->right_delimiter), $template_source);
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/* Gather all template tags. */
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preg_match_all("!{$ldq}\s*(.*?)\s*{$rdq}!s", $template_source, $match);
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$template_tags = $match[1];
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/* Split content by template tags to obtain non-template content. */
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$text_blocks = preg_split("!{$ldq}.*?{$rdq}!s", $template_source);
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/* loop through text blocks */
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for ($curr_tb = 0, $for_max = count($text_blocks); $curr_tb < $for_max; $curr_tb++) {
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/* match anything resembling php tags */
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if (preg_match_all('!(<\?(?:\w+|=)?|\?>|language\s*=\s*[\"\']?php[\"\']?)!is', $text_blocks[$curr_tb], $sp_match)) {
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/* replace tags with placeholders to prevent recursive replacements */
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$sp_match[1] = array_unique($sp_match[1]);
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usort($sp_match[1], '_smarty_sort_length');
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for ($curr_sp = 0, $for_max2 = count($sp_match[1]); $curr_sp < $for_max2; $curr_sp++) {
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$text_blocks[$curr_tb] = str_replace($sp_match[1][$curr_sp],'%%%SMARTYSP'.$curr_sp.'%%%',$text_blocks[$curr_tb]);
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}
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/* process each one */
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for ($curr_sp = 0, $for_max2 = count($sp_match[0]); $curr_sp < $for_max2; $curr_sp++) {
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if ($this->php_handling == SMARTY_PHP_PASSTHRU) {
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/* echo php contents */
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$text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '<?php echo \''.str_replace("'", "\'", $sp_match[1][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]);
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} else if ($this->php_handling == SMARTY_PHP_QUOTE) {
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/* quote php tags */
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$text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', htmlspecialchars($sp_match[1][$curr_sp]), $text_blocks[$curr_tb]);
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} else if ($this->php_handling == SMARTY_PHP_REMOVE) {
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/* remove php tags */
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$text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '', $text_blocks[$curr_tb]);
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} else {
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/* SMARTY_PHP_ALLOW, but echo non php starting tags */
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$sp_match[1][$curr_sp] = preg_replace('%(<\?(?!php|=|$))%i', '<?php echo \'\\1\'?>'."\n", $sp_match[1][$curr_sp]);
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$text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', $sp_match[1][$curr_sp], $text_blocks[$curr_tb]);
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}
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}
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}
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}
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/* Compile the template tags into PHP code. */
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$compiled_tags = array();
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for ($i = 0, $for_max = count($template_tags); $i < $for_max; $i++) {
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$this->_current_line_no += substr_count($text_blocks[$i], "\n");
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$compiled_tags[] = $this->_compile_tag($template_tags[$i]);
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$this->_current_line_no += substr_count($template_tags[$i], "\n");
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}
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$template_compiled = '';
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/* Interleave the compiled contents and text blocks to get the final result. */
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for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) {
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$template_compiled .= $text_blocks[$i].$compiled_tags[$i];
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}
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$template_compiled .= $text_blocks[$i];
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/* Reformat data between 'strip' and '/strip' tags, removing spaces, tabs and newlines. */
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if (preg_match_all("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", $template_compiled, $match)) {
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$strip_tags = $match[0];
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$strip_tags_modified = preg_replace("!{$ldq}/?strip{$rdq}|[\t ]+$|^[\t ]+!m", '', $strip_tags);
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$strip_tags_modified = preg_replace('![\r\n]+!m', '', $strip_tags_modified);
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for ($i = 0, $for_max = count($strip_tags); $i < $for_max; $i++)
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$template_compiled = preg_replace("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s",
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$this->quote_replace($strip_tags_modified[$i]),
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$template_compiled, 1);
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}
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// remove \n from the end of the file, if any
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if ($template_compiled{strlen($template_compiled) - 1} == "\n" ) {
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$template_compiled = substr($template_compiled, 0, -1);
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}
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// run compiled template through postfilter functions
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if (count($this->_plugins['postfilter']) > 0) {
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foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) {
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if ($postfilter === false) continue;
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if ($postfilter[3] || function_exists($postfilter[0])) {
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$template_compiled = $postfilter[0]($template_compiled, $this);
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$this->_plugins['postfilter'][$filter_name][3] = true;
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} else {
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$this->_trigger_plugin_error("Smarty plugin error: postfilter '$filter_name' is not implemented");
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}
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}
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}
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// put header at the top of the compiled template
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$template_header = "<?php /* Smarty version ".$this->_version.", created on ".strftime("%Y-%m-%d %H:%M:%S")."\n";
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$template_header .= " compiled from ".$tpl_file." */ ?>\n";
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/* Emit code to load needed plugins. */
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if (count($this->_plugin_info)) {
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$plugins_code = '<?php $this->_load_plugins(array(';
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foreach ($this->_plugin_info as $plugin_type => $plugins) {
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foreach ($plugins as $plugin_name => $plugin_info) {
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$plugins_code .= "\narray('$plugin_type', '$plugin_name', '$plugin_info[0]', $plugin_info[1], ";
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$plugins_code .= $plugin_info[2] ? 'true),' : 'false),';
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}
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}
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$plugins_code .= ")); ?>";
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$template_header .= $plugins_code;
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$this->_plugin_info = array();
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}
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if ($this->_init_smarty_vars) {
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$template_header .= "<?php \$this->_assign_smarty_interface(); ?>\n";
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$this->_init_smarty_vars = false;
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}
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$template_compiled = $template_header . $template_compiled;
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return true;
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}
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/**
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* Compile a template tag
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*
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* @access public
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* @param $template_tag
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*/
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function _compile_tag($template_tag)
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{
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/* Matched comment. */
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if ($template_tag{0} == '*' && $template_tag{strlen($template_tag) - 1} == '*')
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return '';
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/* Split tag into two three parts: command, command modifiers and the arguments. */
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if(! preg_match('/^(?:(' . $this->_obj_call_regexp . '|' . $this->_var_regexp
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. '|' . $this->_reg_obj_regexp . '|\/?' . $this->_func_regexp . ')(' . $this->_mod_regexp . '*))
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(?:\s+(.*))?$
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/xs', $template_tag, $match)) {
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$this->_syntax_error("unrecognized tag: $template_tag", E_USER_ERROR, __FILE__, __LINE__);
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}
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$tag_command = $match[1];
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$tag_modifier = isset($match[2]) ? $match[2] : null;
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$tag_args = isset($match[3]) ? $match[3] : null;
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/* If the tag name is a variable or object, we process it. */
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if (preg_match('!^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '$!', $tag_command)) {
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$return = $this->_parse_var_props($tag_command . $tag_modifier, $this->_parse_attrs($tag_args));
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if(isset($_tag_attrs['assign'])) {
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return "<?php \$this->assign('" . $this->_dequote($_tag_attrs['assign']) . "', $return ); ?>\n";
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} else {
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return "<?php echo $return; ?>\n";
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}
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}
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/* If the tag name is a registered object, we process it. */
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if (preg_match('!^' . $this->_reg_obj_regexp . '$!', $tag_command)) {
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return $this->_compile_registered_object_tag($tag_command, $this->_parse_attrs($tag_args), $tag_modifier);
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}
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switch ($tag_command) {
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case 'include':
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return $this->_compile_include_tag($tag_args);
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case 'include_php':
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return $this->_compile_include_php_tag($tag_args);
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case 'if':
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return $this->_compile_if_tag($tag_args);
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case 'else':
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return '<?php else: ?>';
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case 'elseif':
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return $this->_compile_if_tag($tag_args, true);
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case '/if':
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return '<?php endif; ?>';
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case 'capture':
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return $this->_compile_capture_tag(true, $tag_args);
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case '/capture':
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return $this->_compile_capture_tag(false);
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case 'ldelim':
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return $this->left_delimiter;
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case 'rdelim':
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return $this->right_delimiter;
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case 'section':
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array_push($this->_sectionelse_stack, false);
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return $this->_compile_section_start($tag_args);
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case 'sectionelse':
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$this->_sectionelse_stack[count($this->_sectionelse_stack)-1] = true;
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return "<?php endfor; else: ?>";
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case '/section':
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|
if (array_pop($this->_sectionelse_stack))
|
|
return "<?php endif; ?>";
|
|
else
|
|
return "<?php endfor; endif; ?>";
|
|
|
|
case 'foreach':
|
|
array_push($this->_foreachelse_stack, false);
|
|
return $this->_compile_foreach_start($tag_args);
|
|
break;
|
|
|
|
case 'foreachelse':
|
|
$this->_foreachelse_stack[count($this->_foreachelse_stack)-1] = true;
|
|
return "<?php endforeach; else: ?>";
|
|
|
|
case '/foreach':
|
|
if (array_pop($this->_foreachelse_stack))
|
|
return "<?php endif; ?>";
|
|
else
|
|
return "<?php endforeach; endif; ?>";
|
|
|
|
case 'config_load':
|
|
return $this->_compile_config_load_tag($tag_args);
|
|
|
|
case 'strip':
|
|
case '/strip':
|
|
return $this->left_delimiter.$tag_command.$this->right_delimiter;
|
|
|
|
case 'literal':
|
|
list (,$literal_block) = each($this->_literal_blocks);
|
|
$this->_current_line_no += substr_count($literal_block, "\n");
|
|
return "<?php echo '".str_replace("'", "\'", str_replace("\\", "\\\\", $literal_block))."'; ?>\n";
|
|
|
|
case 'php':
|
|
if ($this->security && !$this->security_settings['PHP_TAGS']) {
|
|
$this->_syntax_error("(secure mode) php tags not permitted", E_USER_WARNING, __FILE__, __LINE__);
|
|
return;
|
|
}
|
|
list (,$php_block) = each($this->_php_blocks);
|
|
$this->_current_line_no += substr_count($php_block, "\n");
|
|
return '<?php '.$php_block.' ?>';
|
|
|
|
case 'insert':
|
|
return $this->_compile_insert_tag($tag_args);
|
|
|
|
default:
|
|
if ($this->_compile_compiler_tag($tag_command, $tag_args, $output)) {
|
|
return $output;
|
|
} else if ($this->_compile_block_tag($tag_command, $tag_args, $tag_modifier, $output)) {
|
|
return $output;
|
|
} else {
|
|
return $this->_compile_custom_tag($tag_command, $tag_args, $tag_modifier);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* compile the custom compiler tag
|
|
*
|
|
* @access public
|
|
* @param $tag_command
|
|
* @param $tag_args
|
|
* @param $output
|
|
*/
|
|
function _compile_compiler_tag($tag_command, $tag_args, &$output)
|
|
{
|
|
$found = false;
|
|
$have_function = true;
|
|
|
|
/*
|
|
* First we check if the compiler function has already been registered
|
|
* or loaded from a plugin file.
|
|
*/
|
|
if (isset($this->_plugins['compiler'][$tag_command])) {
|
|
$found = true;
|
|
$plugin_func = $this->_plugins['compiler'][$tag_command][0];
|
|
if (!function_exists($plugin_func)) {
|
|
$message = "compiler function '$tag_command' is not implemented";
|
|
$have_function = false;
|
|
}
|
|
}
|
|
/*
|
|
* Otherwise we need to load plugin file and look for the function
|
|
* inside it.
|
|
*/
|
|
else if ($plugin_file = $this->_get_plugin_filepath('compiler', $tag_command)) {
|
|
$found = true;
|
|
|
|
include_once $plugin_file;
|
|
|
|
$plugin_func = 'smarty_compiler_' . $tag_command;
|
|
if (!function_exists($plugin_func)) {
|
|
$message = "plugin function $plugin_func() not found in $plugin_file\n";
|
|
$have_function = false;
|
|
} else {
|
|
$this->_plugins['compiler'][$tag_command] = array($plugin_func, null, null);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* True return value means that we either found a plugin or a
|
|
* dynamically registered function. False means that we didn't and the
|
|
* compiler should now emit code to load custom function plugin for this
|
|
* tag.
|
|
*/
|
|
if ($found) {
|
|
if ($have_function) {
|
|
$output = '<?php ' . $plugin_func($tag_args, $this) . ' ?>';
|
|
} else {
|
|
$this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__);
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* compile block function tag
|
|
*
|
|
* @access public
|
|
* @param $tag_command
|
|
* @param $tag_args
|
|
* @param $tag_modifier
|
|
* @param $output
|
|
*/
|
|
function _compile_block_tag($tag_command, $tag_args, $tag_modifier, &$output)
|
|
{
|
|
if ($tag_command{0} == '/') {
|
|
$start_tag = false;
|
|
$tag_command = substr($tag_command, 1);
|
|
} else
|
|
$start_tag = true;
|
|
|
|
$found = false;
|
|
$have_function = true;
|
|
|
|
/*
|
|
* First we check if the block function has already been registered
|
|
* or loaded from a plugin file.
|
|
*/
|
|
if (isset($this->_plugins['block'][$tag_command])) {
|
|
$found = true;
|
|
$plugin_func = $this->_plugins['block'][$tag_command][0];
|
|
if (!function_exists($plugin_func)) {
|
|
$message = "block function '$tag_command' is not implemented";
|
|
$have_function = false;
|
|
}
|
|
}
|
|
/*
|
|
* Otherwise we need to load plugin file and look for the function
|
|
* inside it.
|
|
*/
|
|
else if ($plugin_file = $this->_get_plugin_filepath('block', $tag_command)) {
|
|
$found = true;
|
|
|
|
include_once $plugin_file;
|
|
|
|
$plugin_func = 'smarty_block_' . $tag_command;
|
|
if (!function_exists($plugin_func)) {
|
|
$message = "plugin function $plugin_func() not found in $plugin_file\n";
|
|
$have_function = false;
|
|
} else {
|
|
$this->_plugins['block'][$tag_command] = array($plugin_func, null, null);
|
|
}
|
|
}
|
|
|
|
if (!$found) {
|
|
return false;
|
|
} else if (!$have_function) {
|
|
$this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__);
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Even though we've located the plugin function, compilation
|
|
* happens only once, so the plugin will still need to be loaded
|
|
* at runtime for future requests.
|
|
*/
|
|
$this->_add_plugin('block', $tag_command);
|
|
|
|
if ($start_tag) {
|
|
$arg_list = array();
|
|
$attrs = $this->_parse_attrs($tag_args);
|
|
foreach ($attrs as $arg_name => $arg_value) {
|
|
if (is_bool($arg_value))
|
|
$arg_value = $arg_value ? 'true' : 'false';
|
|
$arg_list[] = "'$arg_name' => $arg_value";
|
|
}
|
|
|
|
$output = "<?php \$this->_tag_stack[] = array('$tag_command', array(".implode(',', (array)$arg_list).")); \$this->_plugins['block']['$tag_command'][0](array(".implode(',', (array)$arg_list)."), null, \$this); ob_start(); ?>";
|
|
} else {
|
|
$output = "<?php \$this->_block_content = ob_get_contents(); ob_end_clean(); ";
|
|
$out_tag_text = "\$this->_plugins['block']['$tag_command'][0](\$this->_tag_stack[count(\$this->_tag_stack)-1][1], \$this->_block_content, \$this)";
|
|
if($tag_modifier != '') {
|
|
$this->_parse_modifiers($out_tag_text, $tag_modifier);
|
|
}
|
|
$output .= 'echo ' . $out_tag_text . ';';
|
|
$output .= " array_pop(\$this->_tag_stack); ?>";
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* compile custom function tag
|
|
*
|
|
* @access public
|
|
* @param $tag_command
|
|
* @param $tag_args
|
|
* @param $tag_modifier
|
|
*/
|
|
function _compile_custom_tag($tag_command, $tag_args, $tag_modifier)
|
|
{
|
|
$this->_add_plugin('function', $tag_command);
|
|
|
|
$arg_list = array();
|
|
$attrs = $this->_parse_attrs($tag_args);
|
|
foreach ($attrs as $arg_name => $arg_value) {
|
|
if (is_bool($arg_value))
|
|
$arg_value = $arg_value ? 'true' : 'false';
|
|
$arg_list[] = "'$arg_name' => $arg_value";
|
|
}
|
|
|
|
$return = "\$this->_plugins['function']['$tag_command'][0](array(".implode(',', (array)$arg_list)."), \$this)";
|
|
|
|
if($tag_modifier != '') {
|
|
$this->_parse_modifiers($return, $tag_modifier);
|
|
}
|
|
|
|
return '<?php echo ' . $return . " ; ?>\n";
|
|
}
|
|
|
|
/**
|
|
* compile a registered object tag
|
|
*
|
|
* @access public
|
|
* @param $tag_command
|
|
* @param $attrs
|
|
* @param $tag_modifier
|
|
*/
|
|
function _compile_registered_object_tag($tag_command, $attrs, $tag_modifier)
|
|
{
|
|
list($object, $obj_comp) = explode('->', $tag_command);
|
|
|
|
$arg_list = array();
|
|
if(count($attrs)) {
|
|
$_assign_var = false;
|
|
foreach ($attrs as $arg_name => $arg_value) {
|
|
if($arg_name == 'assign') {
|
|
$_assign_var = $arg_value;
|
|
unset($attrs['assign']);
|
|
continue;
|
|
}
|
|
if (is_bool($arg_value))
|
|
$arg_value = $arg_value ? 'true' : 'false';
|
|
$arg_list[] = "'$arg_name' => $arg_value";
|
|
}
|
|
}
|
|
|
|
if(!$this->_reg_objects[$object][0]) {
|
|
$this->_trigger_fatal_error("registered '$object' is not an object");
|
|
} elseif(!empty($this->_reg_objects[$object][1]) && !in_array($obj_comp, $this->_reg_objects[$object][1])) {
|
|
$this->_trigger_fatal_error("'$obj_comp' is not a registered component of object '$object'");
|
|
} elseif(method_exists($this->_reg_objects[$object][0], $obj_comp)) {
|
|
// method
|
|
if($this->_reg_objects[$object][2]) {
|
|
// smarty object argument format
|
|
$return = "\$this->_reg_objects['$object'][0]->$obj_comp(array(".implode(',', (array)$arg_list)."), \$this)";
|
|
} else {
|
|
// traditional argument format
|
|
$return = "\$this->_reg_objects['$object'][0]->$obj_comp(".implode(',', array_values($attrs)).")";
|
|
}
|
|
} else {
|
|
// property
|
|
$return = "\$this->_reg_objects['$object'][0]->$obj_comp";
|
|
}
|
|
|
|
if($tag_modifier != '') {
|
|
$this->_parse_modifiers($return, $tag_modifier);
|
|
}
|
|
|
|
if($_assign_var) {
|
|
return "<?php \$this->assign('" . $this->_dequote($_assign_var) ."', $return); ?>\n";
|
|
} else {
|
|
return '<?php echo ' . $return . "; ?>\n";
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Compile {insert ...} tag
|
|
*
|
|
* @access public
|
|
* @param $tag_args
|
|
*/
|
|
function _compile_insert_tag($tag_args)
|
|
{
|
|
$attrs = $this->_parse_attrs($tag_args);
|
|
$name = $this->_dequote($attrs['name']);
|
|
|
|
if (empty($name)) {
|
|
$this->_syntax_error("missing insert name", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
|
|
if (!empty($attrs['script'])) {
|
|
$delayed_loading = true;
|
|
} else {
|
|
$delayed_loading = false;
|
|
}
|
|
|
|
foreach ($attrs as $arg_name => $arg_value) {
|
|
if (is_bool($arg_value))
|
|
$arg_value = $arg_value ? 'true' : 'false';
|
|
$arg_list[] = "'$arg_name' => $arg_value";
|
|
}
|
|
|
|
$this->_add_plugin('insert', $name, $delayed_loading);
|
|
|
|
return "<?php echo \$this->_run_insert_handler(array(".implode(', ', (array)$arg_list).")); ?>\n";
|
|
}
|
|
|
|
|
|
/**
|
|
* Compile {config_load ...} tag
|
|
*
|
|
* @access public
|
|
* @param $tag_args
|
|
*/
|
|
function _compile_config_load_tag($tag_args)
|
|
{
|
|
$attrs = $this->_parse_attrs($tag_args);
|
|
|
|
if (empty($attrs['file'])) {
|
|
$this->_syntax_error("missing 'file' attribute in config_load tag", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
|
|
if (empty($attrs['section'])) {
|
|
$attrs['section'] = 'null';
|
|
}
|
|
|
|
if (isset($attrs['scope'])) {
|
|
$scope = @$this->_dequote($attrs['scope']);
|
|
if ($scope != 'local' &&
|
|
$scope != 'parent' &&
|
|
$scope != 'global') {
|
|
$this->_syntax_error("invalid 'scope' attribute value", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
} else {
|
|
if (isset($attrs['global']) && $attrs['global'])
|
|
$scope = 'parent';
|
|
else
|
|
$scope = 'local';
|
|
}
|
|
|
|
return '<?php $this->config_load(' . $attrs['file'] . ', ' . $attrs['section'] . ", '$scope'); ?>";
|
|
}
|
|
|
|
|
|
/**
|
|
* Compile {include ...} tag
|
|
*
|
|
* @access public
|
|
* $param $tag_args
|
|
*/
|
|
function _compile_include_tag($tag_args)
|
|
{
|
|
$attrs = $this->_parse_attrs($tag_args);
|
|
$arg_list = array();
|
|
|
|
if (empty($attrs['file'])) {
|
|
$this->_syntax_error("missing 'file' attribute in include tag", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
|
|
foreach ($attrs as $arg_name => $arg_value) {
|
|
if ($arg_name == 'file') {
|
|
$include_file = $arg_value;
|
|
continue;
|
|
} else if ($arg_name == 'assign') {
|
|
$assign_var = $arg_value;
|
|
continue;
|
|
}
|
|
if (is_bool($arg_value))
|
|
$arg_value = $arg_value ? 'true' : 'false';
|
|
$arg_list[] = "'$arg_name' => $arg_value";
|
|
}
|
|
|
|
$output = '<?php ';
|
|
|
|
if (isset($assign_var)) {
|
|
$output .= "ob_start();\n";
|
|
}
|
|
|
|
$output .=
|
|
"\$_smarty_tpl_vars = \$this->_tpl_vars;\n" .
|
|
"\$this->_smarty_include(".$include_file.", array(".implode(',', (array)$arg_list)."));\n" .
|
|
"\$this->_tpl_vars = \$_smarty_tpl_vars;\n" .
|
|
"unset(\$_smarty_tpl_vars);\n";
|
|
|
|
if (isset($assign_var)) {
|
|
$output .= "\$this->assign(" . $assign_var . ", ob_get_contents()); ob_end_clean();\n";
|
|
}
|
|
|
|
$output .= ' ?>';
|
|
|
|
return $output;
|
|
|
|
}
|
|
|
|
/**
|
|
* Compile {include ...} tag
|
|
*
|
|
* @access public
|
|
* @param $tag_args
|
|
*/
|
|
function _compile_include_php_tag($tag_args)
|
|
{
|
|
$attrs = $this->_parse_attrs($tag_args);
|
|
|
|
if (empty($attrs['file'])) {
|
|
$this->_syntax_error("missing 'file' attribute in include_php tag", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
|
|
$assign_var = $this->_dequote($attrs['assign']);
|
|
|
|
$once_var = ( $attrs['once'] === false ) ? 'false' : 'true';
|
|
|
|
return "<?php \$this->_smarty_include_php($attrs[file], '$assign_var', $once_var); ?>";
|
|
}
|
|
|
|
|
|
/**
|
|
* Compile {section ...} tag
|
|
*
|
|
* @access public
|
|
* @param $tag_args
|
|
*/
|
|
function _compile_section_start($tag_args)
|
|
{
|
|
$attrs = $this->_parse_attrs($tag_args);
|
|
$arg_list = array();
|
|
|
|
$output = '<?php ';
|
|
$section_name = $attrs['name'];
|
|
if (empty($section_name)) {
|
|
$this->_syntax_error("missing section name", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
|
|
$output .= "if (isset(\$this->_sections[$section_name])) unset(\$this->_sections[$section_name]);\n";
|
|
$section_props = "\$this->_sections[$section_name]";
|
|
|
|
foreach ($attrs as $attr_name => $attr_value) {
|
|
switch ($attr_name) {
|
|
case 'loop':
|
|
$output .= "{$section_props}['loop'] = is_array($attr_value) ? count($attr_value) : max(0, (int)$attr_value);\n";
|
|
break;
|
|
|
|
case 'show':
|
|
if (is_bool($attr_value))
|
|
$show_attr_value = $attr_value ? 'true' : 'false';
|
|
else
|
|
$show_attr_value = "(bool)$attr_value";
|
|
$output .= "{$section_props}['show'] = $show_attr_value;\n";
|
|
break;
|
|
|
|
case 'name':
|
|
$output .= "{$section_props}['$attr_name'] = $attr_value;\n";
|
|
break;
|
|
|
|
case 'max':
|
|
case 'start':
|
|
$output .= "{$section_props}['$attr_name'] = (int)$attr_value;\n";
|
|
break;
|
|
|
|
case 'step':
|
|
$output .= "{$section_props}['$attr_name'] = ((int)$attr_value) == 0 ? 1 : (int)$attr_value;\n";
|
|
break;
|
|
|
|
default:
|
|
$this->_syntax_error("unknown section attribute - '$attr_name'", E_USER_ERROR, __FILE__, __LINE__);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!isset($attrs['show']))
|
|
$output .= "{$section_props}['show'] = true;\n";
|
|
|
|
if (!isset($attrs['loop']))
|
|
$output .= "{$section_props}['loop'] = 1;\n";
|
|
|
|
if (!isset($attrs['max']))
|
|
$output .= "{$section_props}['max'] = {$section_props}['loop'];\n";
|
|
else
|
|
$output .= "if ({$section_props}['max'] < 0)\n" .
|
|
" {$section_props}['max'] = {$section_props}['loop'];\n";
|
|
|
|
if (!isset($attrs['step']))
|
|
$output .= "{$section_props}['step'] = 1;\n";
|
|
|
|
if (!isset($attrs['start']))
|
|
$output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n";
|
|
else {
|
|
$output .= "if ({$section_props}['start'] < 0)\n" .
|
|
" {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" .
|
|
"else\n" .
|
|
" {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n";
|
|
}
|
|
|
|
$output .= "if ({$section_props}['show']) {\n";
|
|
if (!isset($attrs['start']) && !isset($attrs['step']) && !isset($attrs['max'])) {
|
|
$output .= " {$section_props}['total'] = {$section_props}['loop'];\n";
|
|
} else {
|
|
$output .= " {$section_props}['total'] = min(ceil(({$section_props}['step'] > 0 ? {$section_props}['loop'] - {$section_props}['start'] : {$section_props}['start']+1)/abs({$section_props}['step'])), {$section_props}['max']);\n";
|
|
}
|
|
$output .= " if ({$section_props}['total'] == 0)\n" .
|
|
" {$section_props}['show'] = false;\n" .
|
|
"} else\n" .
|
|
" {$section_props}['total'] = 0;\n";
|
|
|
|
$output .= "if ({$section_props}['show']):\n";
|
|
$output .= "
|
|
for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1;
|
|
{$section_props}['iteration'] <= {$section_props}['total'];
|
|
{$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n";
|
|
$output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n";
|
|
$output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n";
|
|
$output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n";
|
|
$output .= "{$section_props}['first'] = ({$section_props}['iteration'] == 1);\n";
|
|
$output .= "{$section_props}['last'] = ({$section_props}['iteration'] == {$section_props}['total']);\n";
|
|
|
|
$output .= "?>";
|
|
|
|
return $output;
|
|
}
|
|
|
|
|
|
/**
|
|
* Compile {foreach ...} tag.
|
|
*
|
|
* @access public
|
|
* @param $tag_args
|
|
*/
|
|
function _compile_foreach_start($tag_args)
|
|
{
|
|
$attrs = $this->_parse_attrs($tag_args);
|
|
$arg_list = array();
|
|
|
|
if (empty($attrs['from'])) {
|
|
$this->_syntax_error("missing 'from' attribute", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
|
|
if (empty($attrs['item'])) {
|
|
$this->_syntax_error("missing 'item' attribute", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
|
|
$from = $attrs['from'];
|
|
$item = $this->_dequote($attrs['item']);
|
|
if (isset($attrs['name']))
|
|
$name = $attrs['name'];
|
|
|
|
$output = '<?php ';
|
|
if (isset($name)) {
|
|
$output .= "if (isset(\$this->_foreach[$name])) unset(\$this->_foreach[$name]);\n";
|
|
$foreach_props = "\$this->_foreach[$name]";
|
|
}
|
|
|
|
$key_part = '';
|
|
|
|
foreach ($attrs as $attr_name => $attr_value) {
|
|
switch ($attr_name) {
|
|
case 'key':
|
|
$key = $this->_dequote($attrs['key']);
|
|
$key_part = "\$this->_tpl_vars['$key'] => ";
|
|
break;
|
|
|
|
case 'name':
|
|
$output .= "{$foreach_props}['$attr_name'] = $attr_value;\n";
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (isset($name)) {
|
|
$output .= "{$foreach_props}['total'] = count((array)$from);\n";
|
|
$output .= "{$foreach_props}['show'] = {$foreach_props}['total'] > 0;\n";
|
|
$output .= "if ({$foreach_props}['show']):\n";
|
|
$output .= "{$foreach_props}['iteration'] = 0;\n";
|
|
$output .= " foreach ((array)$from as $key_part\$this->_tpl_vars['$item']):\n";
|
|
$output .= " {$foreach_props}['iteration']++;\n";
|
|
$output .= " {$foreach_props}['first'] = ({$foreach_props}['iteration'] == 1);\n";
|
|
$output .= " {$foreach_props}['last'] = ({$foreach_props}['iteration'] == {$foreach_props}['total']);\n";
|
|
} else {
|
|
$output .= "if (count((array)$from)):\n";
|
|
$output .= " foreach ((array)$from as $key_part\$this->_tpl_vars['$item']):\n";
|
|
}
|
|
$output .= '?>';
|
|
|
|
return $output;
|
|
}
|
|
|
|
|
|
/**
|
|
* Compile {capture} .. {/capture} tags
|
|
*
|
|
* @access public
|
|
* @param $start
|
|
* @param $tag_args
|
|
*/
|
|
function _compile_capture_tag($start, $tag_args = '')
|
|
{
|
|
$attrs = $this->_parse_attrs($tag_args);
|
|
|
|
if ($start) {
|
|
if (isset($attrs['name']))
|
|
$buffer = $attrs['name'];
|
|
else
|
|
$buffer = "'default'";
|
|
|
|
$output = "<?php ob_start(); ?>";
|
|
$this->_capture_stack[] = $buffer;
|
|
} else {
|
|
$buffer = array_pop($this->_capture_stack);
|
|
$output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); ob_end_clean(); ?>";
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Compile {if ...} tag
|
|
*
|
|
* @access public
|
|
* @param $tag_args
|
|
* @param $elseif
|
|
*/
|
|
function _compile_if_tag($tag_args, $elseif = false)
|
|
{
|
|
|
|
/* Tokenize args for 'if' tag. */
|
|
preg_match_all('/(?>
|
|
' . $this->_obj_call_regexp . '(?:' . $this->_mod_regexp . '*) | # valid object call
|
|
' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*) | # var or quoted string
|
|
\-?\d+|!==|<=>|==|!=|<=|>=|\&\&|\|\||\(|\)|,|\!|\^|=|<|>|\||\% | # valid non-word token
|
|
\b\w+\b | # valid word token
|
|
\S+ # anything else
|
|
)/x', $tag_args, $match);
|
|
|
|
$tokens = $match[0];
|
|
|
|
// make sure we have balanced parenthesis
|
|
$token_count = array_count_values($tokens);
|
|
if(isset($token_count['(']) && $token_count['('] != $token_count[')']) {
|
|
$this->_syntax_error("unbalanced parenthesis in if statement", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
|
|
$is_arg_stack = array();
|
|
|
|
for ($i = 0; $i < count($tokens); $i++) {
|
|
|
|
$token = &$tokens[$i];
|
|
|
|
switch ($token) {
|
|
case '!':
|
|
case '%':
|
|
case '!==':
|
|
case '==':
|
|
case '>':
|
|
case '<':
|
|
case '!=':
|
|
case '<=':
|
|
case '>=':
|
|
case '&&':
|
|
case '||':
|
|
case '|':
|
|
case '^':
|
|
case '&':
|
|
case '~':
|
|
case ')':
|
|
case ',':
|
|
break;
|
|
|
|
case 'eq':
|
|
$token = '==';
|
|
break;
|
|
|
|
case 'ne':
|
|
case 'neq':
|
|
$token = '!=';
|
|
break;
|
|
|
|
case 'lt':
|
|
$token = '<';
|
|
break;
|
|
|
|
case 'le':
|
|
case 'lte':
|
|
$token = '<=';
|
|
break;
|
|
|
|
case 'gt':
|
|
$token = '>';
|
|
break;
|
|
|
|
case 'ge':
|
|
case 'gte':
|
|
$token = '>=';
|
|
break;
|
|
|
|
case 'and':
|
|
$token = '&&';
|
|
break;
|
|
|
|
case 'or':
|
|
$token = '||';
|
|
break;
|
|
|
|
case 'not':
|
|
$token = '!';
|
|
break;
|
|
|
|
case 'mod':
|
|
$token = '%';
|
|
break;
|
|
|
|
case '(':
|
|
array_push($is_arg_stack, $i);
|
|
break;
|
|
|
|
case 'is':
|
|
/* If last token was a ')', we operate on the parenthesized
|
|
expression. The start of the expression is on the stack.
|
|
Otherwise, we operate on the last encountered token. */
|
|
if ($tokens[$i-1] == ')')
|
|
$is_arg_start = array_pop($is_arg_stack);
|
|
else
|
|
$is_arg_start = $i-1;
|
|
/* Construct the argument for 'is' expression, so it knows
|
|
what to operate on. */
|
|
$is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start));
|
|
|
|
/* Pass all tokens from next one until the end to the
|
|
'is' expression parsing function. The function will
|
|
return modified tokens, where the first one is the result
|
|
of the 'is' expression and the rest are the tokens it
|
|
didn't touch. */
|
|
$new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1));
|
|
|
|
/* Replace the old tokens with the new ones. */
|
|
array_splice($tokens, $is_arg_start, count($tokens), $new_tokens);
|
|
|
|
/* Adjust argument start so that it won't change from the
|
|
current position for the next iteration. */
|
|
$i = $is_arg_start;
|
|
break;
|
|
|
|
default:
|
|
if(preg_match('!^' . $this->_func_regexp . '$!', $token) ) {
|
|
// function call
|
|
if($this->security &&
|
|
!in_array($token, $this->security_settings['IF_FUNCS'])) {
|
|
$this->_syntax_error("(secure mode) '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
} elseif(preg_match('!^' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)$!', $token)) {
|
|
// variable
|
|
$token = $this->_parse_var_props($token);
|
|
} elseif(preg_match('!^' . $this->_obj_call_regexp . '(?:' . $this->_mod_regexp . '*)$!', $token)) {
|
|
// object
|
|
$token = $this->_parse_var_props($token);
|
|
} elseif(is_numeric($token)) {
|
|
// number, skip it
|
|
} else {
|
|
$this->_syntax_error("unidentified token '$token'", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ($elseif)
|
|
return '<?php elseif ('.implode(' ', $tokens).'): ?>';
|
|
else
|
|
return '<?php if ('.implode(' ', $tokens).'): ?>';
|
|
}
|
|
|
|
|
|
/**
|
|
* Parse is expression
|
|
*
|
|
* @access public
|
|
* @param $is_arg
|
|
* @param $tokens
|
|
*/
|
|
function _parse_is_expr($is_arg, $tokens)
|
|
{
|
|
$expr_end = 0;
|
|
$negate_expr = false;
|
|
|
|
if (($first_token = array_shift($tokens)) == 'not') {
|
|
$negate_expr = true;
|
|
$expr_type = array_shift($tokens);
|
|
} else
|
|
$expr_type = $first_token;
|
|
|
|
switch ($expr_type) {
|
|
case 'even':
|
|
if (@$tokens[$expr_end] == 'by') {
|
|
$expr_end++;
|
|
$expr_arg = $tokens[$expr_end++];
|
|
$expr = "!(($is_arg / $expr_arg) % " . $this->_parse_var_props($expr_arg) . ")";
|
|
} else
|
|
$expr = "!($is_arg % 2)";
|
|
break;
|
|
|
|
case 'odd':
|
|
if (@$tokens[$expr_end] == 'by') {
|
|
$expr_end++;
|
|
$expr_arg = $tokens[$expr_end++];
|
|
$expr = "(($is_arg / $expr_arg) % ". $this->_parse_var_props($expr_arg) . ")";
|
|
} else
|
|
$expr = "($is_arg % 2)";
|
|
break;
|
|
|
|
case 'div':
|
|
if (@$tokens[$expr_end] == 'by') {
|
|
$expr_end++;
|
|
$expr_arg = $tokens[$expr_end++];
|
|
$expr = "!($is_arg % " . $this->_parse_var_props($expr_arg) . ")";
|
|
} else {
|
|
$this->_syntax_error("expecting 'by' after 'div'", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
$this->_syntax_error("unknown 'is' expression - '$expr_type'", E_USER_ERROR, __FILE__, __LINE__);
|
|
break;
|
|
}
|
|
|
|
if ($negate_expr) {
|
|
$expr = "!($expr)";
|
|
}
|
|
|
|
array_splice($tokens, 0, $expr_end, $expr);
|
|
|
|
return $tokens;
|
|
}
|
|
|
|
|
|
/**
|
|
* Parse attribute string
|
|
*
|
|
* @access public
|
|
* @param $tag_args
|
|
* @param $quote
|
|
*/
|
|
function _parse_attrs($tag_args, $quote = true)
|
|
{
|
|
|
|
/* Tokenize tag attributes. */
|
|
preg_match_all('/(?:' . $this->_obj_call_regexp . '|' . $this->_qstr_regexp . ' | (?>[^"\'=\s]+)
|
|
)+ |
|
|
[=]
|
|
/x', $tag_args, $match);
|
|
$tokens = $match[0];
|
|
|
|
$attrs = array();
|
|
/* Parse state:
|
|
0 - expecting attribute name
|
|
1 - expecting '='
|
|
2 - expecting attribute value (not '=') */
|
|
$state = 0;
|
|
|
|
foreach ($tokens as $token) {
|
|
switch ($state) {
|
|
case 0:
|
|
/* If the token is a valid identifier, we set attribute name
|
|
and go to state 1. */
|
|
if (preg_match('!^\w+$!', $token)) {
|
|
$attr_name = $token;
|
|
$state = 1;
|
|
} else
|
|
$this->_syntax_error("invalid attribute name - '$token'", E_USER_ERROR, __FILE__, __LINE__);
|
|
break;
|
|
|
|
case 1:
|
|
/* If the token is '=', then we go to state 2. */
|
|
if ($token == '=') {
|
|
$state = 2;
|
|
} else
|
|
$this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__);
|
|
break;
|
|
|
|
case 2:
|
|
/* If token is not '=', we set the attribute value and go to
|
|
state 0. */
|
|
if ($token != '=') {
|
|
/* We booleanize the token if it's a non-quoted possible
|
|
boolean value. */
|
|
if (preg_match('!^(on|yes|true)$!', $token))
|
|
$token = true;
|
|
else if (preg_match('!^(off|no|false)$!', $token))
|
|
$token = false;
|
|
/* If the token is just a string,
|
|
we double-quote it. */
|
|
else if (preg_match('!^\w+$!', $token)) {
|
|
$token = '"'.$token.'"';
|
|
}
|
|
|
|
$attrs[$attr_name] = $token;
|
|
$state = 0;
|
|
} else
|
|
$this->_syntax_error("'=' cannot be an attribute value", E_USER_ERROR, __FILE__, __LINE__);
|
|
break;
|
|
}
|
|
$last_token = $token;
|
|
}
|
|
|
|
if($state != 0) {
|
|
if($state == 1) {
|
|
$this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__);
|
|
} else {
|
|
$this->_syntax_error("missing attribute value", E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
}
|
|
|
|
$this->_parse_vars_props($attrs);
|
|
|
|
return $attrs;
|
|
}
|
|
|
|
/**
|
|
* compile multiple variables and section properties tokens into
|
|
* PHP code
|
|
*
|
|
* @access public
|
|
* @param $tokens
|
|
*/
|
|
function _parse_vars_props(&$tokens)
|
|
{
|
|
foreach($tokens as $key => $val) {
|
|
$tokens[$key] = $this->_parse_var_props($val);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* compile single variable and section properties token into
|
|
* PHP code
|
|
*
|
|
* @access public
|
|
* @param $val
|
|
* @param $tag_attrs
|
|
*/
|
|
function _parse_var_props($val, $tag_attrs = null)
|
|
{
|
|
|
|
$val = trim($val);
|
|
|
|
if(preg_match('!^(' . $this->_obj_call_regexp . '|' . $this->_dvar_regexp . ')(?:' . $this->_mod_regexp . '*)$!', $val)) {
|
|
// $ variable or object
|
|
return $this->_parse_var($val, $tag_attrs);
|
|
}
|
|
elseif(preg_match('!^' . $this->_db_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$!', $val)) {
|
|
// double quoted text
|
|
preg_match('!^(' . $this->_db_qstr_regexp . ')('. $this->_mod_regexp . '*)$!', $val, $match);
|
|
$return = $this->_expand_quoted_text($match[1]);
|
|
if($match[2] != '') {
|
|
$this->_parse_modifiers($return, $match[2]);
|
|
}
|
|
return $return;
|
|
}
|
|
elseif(preg_match('!^' . $this->_si_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$!', $val)) {
|
|
// single quoted text
|
|
preg_match('!^(' . $this->_si_qstr_regexp . ')('. $this->_mod_regexp . '*)$!', $val, $match);
|
|
if($match[2] != '') {
|
|
$this->_parse_modifiers($match[1], $match[2]);
|
|
return $match[1];
|
|
}
|
|
}
|
|
elseif(preg_match('!^' . $this->_cvar_regexp . '(?:' . $this->_mod_regexp . '*)$!', $val)) {
|
|
// config var
|
|
return $this->_parse_conf_var($val);
|
|
}
|
|
elseif(preg_match('!^' . $this->_svar_regexp . '(?:' . $this->_mod_regexp . '*)$!', $val)) {
|
|
// section var
|
|
return $this->_parse_section_prop($val);
|
|
}
|
|
elseif(!in_array($val, $this->_permitted_tokens) && !is_numeric($val)) {
|
|
// literal string
|
|
return $this->_expand_quoted_text('"' . $val .'"');
|
|
}
|
|
return $val;
|
|
}
|
|
|
|
/**
|
|
* expand quoted text with embedded variables
|
|
*
|
|
* @access public
|
|
* @param $var_expr
|
|
*/
|
|
function _expand_quoted_text($var_expr)
|
|
{
|
|
// if contains unescaped $, expand it
|
|
if(preg_match_all('|(?<!\\\\)\$\w+|', $var_expr, $match)) {
|
|
rsort($match[0]);
|
|
reset($match[0]);
|
|
foreach($match[0] as $var) {
|
|
$var_expr = str_replace ($var, '".' . $this->_parse_var($var) . '."', $var_expr);
|
|
}
|
|
return preg_replace('!\.""|""\.!', '', $var_expr);
|
|
} else {
|
|
return $var_expr;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* parse variable expression into PHP code
|
|
*
|
|
* @access public
|
|
* @param $var_expr
|
|
*/
|
|
function _parse_var($var_expr)
|
|
{
|
|
|
|
preg_match('!(' . $this->_obj_call_regexp . '|' . $this->_var_regexp . ')(' . $this->_mod_regexp . '*)$!', $var_expr, $match);
|
|
|
|
$var_ref = substr($match[1],1);
|
|
$modifiers = $match[2];
|
|
|
|
if(!empty($this->default_modifiers) && !preg_match('!(^|\|)smarty:nodefaults($|\|)!',$modifiers)) {
|
|
$_default_mod_string = implode('|',(array)$this->default_modifiers);
|
|
$modifiers = empty($modifiers) ? $_default_mod_string : $_default_mod_string . '|' . $modifiers;
|
|
}
|
|
|
|
// get [foo] and .foo and ->foo() pieces
|
|
preg_match_all('!(^\w+)|(?:\[\$?[\w\.]+\])|\.\$?\w+|(?:->\w+)+(?:\([^\)]*\))?!', $var_ref, $match);
|
|
|
|
$indexes = $match[0];
|
|
$var_name = array_shift($indexes);
|
|
|
|
/* Handle $smarty.* variable references as a special case. */
|
|
if ($var_name == 'smarty') {
|
|
/*
|
|
* If the reference could be compiled, use the compiled output;
|
|
* otherwise, fall back on the $smarty variable generated at
|
|
* run-time.
|
|
*/
|
|
if (($smarty_ref = $this->_compile_smarty_ref($indexes)) !== null) {
|
|
$output = $smarty_ref;
|
|
} else {
|
|
$var_name = substr(array_shift($indexes), 1);
|
|
$output = "\$this->_smarty_vars['$var_name']";
|
|
}
|
|
} else {
|
|
$output = "\$this->_tpl_vars['$var_name']";
|
|
}
|
|
|
|
foreach ($indexes as $index) {
|
|
|
|
if ($index{0} == '[') {
|
|
$index = substr($index, 1, -1);
|
|
if (is_numeric($index)) {
|
|
$output .= "[$index]";
|
|
} elseif ($index{0} == '$') {
|
|
$output .= "[\$this->_tpl_vars['" . substr($index, 1) . "']]";
|
|
} else {
|
|
$parts = explode('.', $index);
|
|
$section = $parts[0];
|
|
$section_prop = isset($parts[1]) ? $parts[1] : 'index';
|
|
$output .= "[\$this->_sections['$section']['$section_prop']]";
|
|
}
|
|
} else if ($index{0} == '.') {
|
|
if ($index{1} == '$')
|
|
$output .= "[\$this->_tpl_vars['" . substr($index, 2) . "']]";
|
|
else
|
|
$output .= "['" . substr($index, 1) . "']";
|
|
} else if (substr($index,0,2) == '->') {
|
|
if($this->security && substr($index,2,1) == '_') {
|
|
$this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__);
|
|
} else {
|
|
// parse each parameter to the object
|
|
if(preg_match('!(?:\->\w+)+(?:(' . $this->_parenth_param_regexp . '))?!', $index, $match)) {
|
|
$index = str_replace($match[1], $this->_parse_parenth_args($match[1]), $index);
|
|
}
|
|
$output .= $index;
|
|
}
|
|
} else {
|
|
$output .= $index;
|
|
}
|
|
}
|
|
|
|
// look for variables imbedded in quoted strings, replace them
|
|
if(preg_match('!' . $this->_qstr_regexp . '!', $output, $match)) {
|
|
$output = str_replace($match[0], $this->_expand_quoted_text($match[0]), $output);
|
|
}
|
|
|
|
$this->_parse_modifiers($output, $modifiers);
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* parse arguments in function call parenthesis
|
|
*
|
|
* @access public
|
|
* @param $parenth_args
|
|
*/
|
|
function _parse_parenth_args($parenth_args)
|
|
{
|
|
preg_match_all('!' . $this->_param_regexp . '!',$parenth_args, $match);
|
|
$match = $match[0];
|
|
rsort($match);
|
|
reset($match);
|
|
$orig_vals = $match;
|
|
$this->_parse_vars_props($match);
|
|
return str_replace($orig_vals, $match, $parenth_args);
|
|
}
|
|
|
|
/**
|
|
* parse configuration variable expression into PHP code
|
|
*
|
|
* @access public
|
|
* @param $conf_var_expr
|
|
*/
|
|
function _parse_conf_var($conf_var_expr)
|
|
{
|
|
$parts = explode('|', $conf_var_expr, 2);
|
|
$var_ref = $parts[0];
|
|
$modifiers = isset($parts[1]) ? $parts[1] : '';
|
|
|
|
$var_name = substr($var_ref, 1, -1);
|
|
|
|
$output = "\$this->_config[0]['vars']['$var_name']";
|
|
|
|
$this->_parse_modifiers($output, $modifiers);
|
|
|
|
return $output;
|
|
}
|
|
|
|
|
|
/**
|
|
* parse section property expression into PHP code
|
|
*
|
|
* @access public
|
|
* @param $section_prop_expr
|
|
*/
|
|
function _parse_section_prop($section_prop_expr)
|
|
{
|
|
$parts = explode('|', $section_prop_expr, 2);
|
|
$var_ref = $parts[0];
|
|
$modifiers = isset($parts[1]) ? $parts[1] : '';
|
|
|
|
preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match);
|
|
$section_name = $match[1];
|
|
$prop_name = $match[2];
|
|
|
|
$output = "\$this->_sections['$section_name']['$prop_name']";
|
|
|
|
$this->_parse_modifiers($output, $modifiers);
|
|
|
|
return $output;
|
|
}
|
|
|
|
|
|
/**
|
|
* parse modifier chain into PHP code
|
|
*
|
|
* @access public
|
|
* @param $output
|
|
* @param $modifier_string
|
|
*/
|
|
function _parse_modifiers(&$output, $modifier_string)
|
|
{
|
|
preg_match_all('!\|(@?\w+)((?>:(?:'. $this->_qstr_regexp . '|[^|]+))*)!', '|' . $modifier_string, $match);
|
|
list(, $modifiers, $modifier_arg_strings) = $match;
|
|
|
|
for ($i = 0, $for_max = count($modifiers); $i < $for_max; $i++) {
|
|
$modifier_name = $modifiers[$i];
|
|
|
|
if($modifier_name == 'smarty') {
|
|
// skip smarty modifier
|
|
continue;
|
|
}
|
|
|
|
preg_match_all('!:(' . $this->_qstr_regexp . '|[^:]+)!', $modifier_arg_strings[$i], $match);
|
|
$modifier_args = $match[1];
|
|
|
|
if ($modifier_name{0} == '@') {
|
|
$map_array = 'false';
|
|
$modifier_name = substr($modifier_name, 1);
|
|
} else {
|
|
$map_array = 'true';
|
|
}
|
|
|
|
$this->_add_plugin('modifier', $modifier_name);
|
|
|
|
$this->_parse_vars_props($modifier_args);
|
|
|
|
if (count($modifier_args) > 0)
|
|
$modifier_args = ', '.implode(', ', $modifier_args);
|
|
else
|
|
$modifier_args = '';
|
|
|
|
$output = "\$this->_run_mod_handler('$modifier_name', $map_array, $output$modifier_args)";
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* add plugin
|
|
*
|
|
* @access public
|
|
* @param $type
|
|
* @param $name
|
|
* @param $delayed_loading
|
|
*/
|
|
function _add_plugin($type, $name, $delayed_loading = null)
|
|
{
|
|
if (!isset($this->_plugin_info[$type])) {
|
|
$this->_plugin_info[$type] = array();
|
|
}
|
|
if (!isset($this->_plugin_info[$type][$name])) {
|
|
$this->_plugin_info[$type][$name] = array($this->_current_file,
|
|
$this->_current_line_no,
|
|
$delayed_loading);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Compiles references of type $smarty.foo
|
|
*
|
|
* @access public
|
|
* @param $indexes
|
|
*/
|
|
function _compile_smarty_ref(&$indexes)
|
|
{
|
|
/* Extract the reference name. */
|
|
$ref = substr($indexes[0], 1);
|
|
|
|
switch ($ref) {
|
|
case 'now':
|
|
$compiled_ref = 'time()';
|
|
if (count($indexes) > 1) {
|
|
$this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
break;
|
|
|
|
case 'foreach':
|
|
case 'section':
|
|
if ($indexes[1]{0} != '.') {
|
|
$this->_syntax_error('$smarty' . implode('', array_slice($indexes, 0, 2)) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
$name = substr($indexes[1], 1);
|
|
array_shift($indexes);
|
|
if ($ref == 'foreach')
|
|
$compiled_ref = "\$this->_foreach['$name']";
|
|
else
|
|
$compiled_ref = "\$this->_sections['$name']";
|
|
break;
|
|
|
|
case 'get':
|
|
array_shift($indexes);
|
|
$compiled_ref = "\$GLOBALS['HTTP_GET_VARS']";
|
|
if ($name = substr($indexes[0], 1))
|
|
$compiled_ref .= "['$name']";
|
|
break;
|
|
|
|
case 'post':
|
|
array_shift($indexes);
|
|
$name = substr($indexes[0], 1);
|
|
$compiled_ref = "\$GLOBALS['HTTP_POST_VARS']";
|
|
if ($name = substr($indexes[0], 1))
|
|
$compiled_ref .= "['$name']";
|
|
break;
|
|
|
|
case 'cookies':
|
|
array_shift($indexes);
|
|
$name = substr($indexes[0], 1);
|
|
$compiled_ref = "\$GLOBALS['HTTP_COOKIE_VARS']";
|
|
if ($name = substr($indexes[0], 1))
|
|
$compiled_ref .= "['$name']";
|
|
break;
|
|
|
|
case 'env':
|
|
array_shift($indexes);
|
|
$compiled_ref = "\$GLOBALS['HTTP_ENV_VARS']";
|
|
if ($name = substr($indexes[0], 1))
|
|
$compiled_ref .= "['$name']";
|
|
break;
|
|
|
|
case 'server':
|
|
array_shift($indexes);
|
|
$name = substr($indexes[0], 1);
|
|
$compiled_ref = "\$GLOBALS['HTTP_SERVER_VARS']";
|
|
if ($name = substr($indexes[0], 1))
|
|
$compiled_ref .= "['$name']";
|
|
break;
|
|
|
|
case 'session':
|
|
array_shift($indexes);
|
|
$name = substr($indexes[0], 1);
|
|
$compiled_ref = "\$GLOBALS['HTTP_SESSION_VARS']";
|
|
if ($name = substr($indexes[0], 1))
|
|
$compiled_ref .= "['$name']";
|
|
break;
|
|
|
|
/*
|
|
* These cases are handled either at run-time or elsewhere in the
|
|
* compiler.
|
|
*/
|
|
case 'request':
|
|
$this->_init_smarty_vars = true;
|
|
return null;
|
|
|
|
case 'capture':
|
|
return null;
|
|
|
|
case 'template':
|
|
$compiled_ref = "'$this->_current_file'";
|
|
if (count($indexes) > 1) {
|
|
$this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
break;
|
|
|
|
case 'version':
|
|
$compiled_ref = "'$this->_version'";
|
|
break;
|
|
|
|
case 'const':
|
|
array_shift($indexes);
|
|
if(!defined(substr($indexes[0],1))) {
|
|
$this->_syntax_error('$smarty' . implode('', $indexes) .' is an undefined constant', E_USER_ERROR, __FILE__, __LINE__);
|
|
}
|
|
$compiled_ref = substr($indexes[0],1);
|
|
break;
|
|
|
|
default:
|
|
$this->_syntax_error('$smarty.' . $ref . ' is an unknown reference', E_USER_ERROR, __FILE__, __LINE__);
|
|
break;
|
|
}
|
|
|
|
array_shift($indexes);
|
|
return $compiled_ref;
|
|
}
|
|
|
|
|
|
/**
|
|
* load pre- and post-filters
|
|
*
|
|
* @access public
|
|
*/
|
|
function _load_filters()
|
|
{
|
|
if (count($this->_plugins['prefilter']) > 0) {
|
|
foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) {
|
|
if ($prefilter === false) {
|
|
unset($this->_plugins['prefilter'][$filter_name]);
|
|
$this->_load_plugins(array(array('prefilter', $filter_name, null, null, false)));
|
|
}
|
|
}
|
|
}
|
|
if (count($this->_plugins['postfilter']) > 0) {
|
|
foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) {
|
|
if ($postfilter === false) {
|
|
unset($this->_plugins['postfilter'][$filter_name]);
|
|
$this->_load_plugins(array(array('postfilter', $filter_name, null, null, false)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* display Smarty syntax error
|
|
*
|
|
* @access public
|
|
* @param $error_msg
|
|
* @param $error_type
|
|
* @param $file
|
|
* @param $line
|
|
*/
|
|
function _syntax_error($error_msg, $error_type = E_USER_ERROR, $file=null, $line=null)
|
|
{
|
|
if(isset($file) && isset($line)) {
|
|
$info = ' ('.basename($file).", line $line)";
|
|
} else {
|
|
$info = null;
|
|
}
|
|
trigger_error('Smarty: [in ' . $this->_current_file . ' line ' .
|
|
$this->_current_line_no . "]: syntax error: $error_msg$info", $error_type);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* compare to values by their string length
|
|
*
|
|
* @access private
|
|
* @param $a
|
|
* @param $b
|
|
*/
|
|
function _smarty_sort_length($a, $b)
|
|
{
|
|
if($a == $b)
|
|
return 0;
|
|
|
|
if(strlen($a) == strlen($b))
|
|
return ($a > $b) ? -1 : 1;
|
|
|
|
return (strlen($a) > strlen($b)) ? -1 : 1;
|
|
}
|
|
|
|
|
|
/* vim: set et: */
|
|
|
|
?>
|