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2365 lines
92 KiB
2365 lines
92 KiB
<?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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* |
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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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* @link http://smarty.php.net/ |
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* @author Monte Ohrt <monte at ohrt dot com> |
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* @author Andrei Zmievski <andrei@php.net> |
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* @version 2.6.25-dev |
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* @copyright 2001-2005 New Digital Group, Inc. |
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* @package Smarty |
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*/ |
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/* $Id$ */ |
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/** |
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* Template compiling class |
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* @package Smarty |
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*/ |
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class Smarty_Compiler extends Smarty { |
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// internal vars |
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/**#@+ |
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* @access private |
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*/ |
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var $_folded_blocks = array(); // keeps folded template blocks |
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var $_current_file = null; // the current template being compiled |
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var $_current_line_no = 1; // line number for error messages |
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var $_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','null'); |
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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 $_reg_obj_regexp = null; |
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var $_var_bracket_regexp = null; |
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var $_num_const_regexp = null; |
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var $_dvar_guts_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_ext_regexp = null; |
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var $_obj_start_regexp = null; |
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var $_obj_params_regexp = null; |
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var $_obj_call_regexp = null; |
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var $_cacheable_state = 0; |
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var $_cache_attrs_count = 0; |
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var $_nocache_count = 0; |
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var $_cache_serial = null; |
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var $_cache_include = null; |
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var $_strip_depth = 0; |
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var $_additional_newline = "\n"; |
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/**#@-*/ |
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/** |
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* The class constructor. |
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*/ |
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public function __construct() |
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{ |
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// matches double quoted strings: |
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// "foobar" |
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// "foo\"bar" |
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$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 . '|' . $this->_si_qstr_regexp . ')'; |
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// matches bracket portion of vars |
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// [0] |
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// [foo] |
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// [$bar] |
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$this->_var_bracket_regexp = '\[\$?[\w\.]+\]'; |
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// matches numerical constants |
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// 30 |
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// -12 |
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// 13.22 |
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$this->_num_const_regexp = '(?:\-?\d+(?:\.\d+)?)'; |
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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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$this->_dvar_math_regexp = '(?:[\+\*\/\%]|(?:-(?!>)))'; |
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$this->_dvar_math_var_regexp = '[\$\w\.\+\-\*\/\%\d\>\[\]]'; |
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$this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp |
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. ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?'; |
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$this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp; |
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// matches config vars: |
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// #foo# |
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// #foobar123_foo# |
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$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 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 (one level of object nesting 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, "foo") |
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// $foo->bar->foo() |
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// $foo->bar->foo->bar() |
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// $foo->bar($foo->bar) |
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// $foo->bar($foo->bar()) |
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// $foo->bar($foo->bar($blah,$foo,44,"foo",$foo[0].bar)) |
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$this->_obj_ext_regexp = '\->(?:\$?' . $this->_dvar_guts_regexp . ')'; |
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$this->_obj_restricted_param_regexp = '(?:' |
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. '(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')(?:' . $this->_obj_ext_regexp . '(?:\((?:(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')' |
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. '(?:\s*,\s*(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . '))*)?\))?)*)'; |
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$this->_obj_single_param_regexp = '(?:\w+|' . $this->_obj_restricted_param_regexp . '(?:\s*,\s*(?:(?:\w+|' |
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. $this->_var_regexp . $this->_obj_restricted_param_regexp . ')))*)'; |
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$this->_obj_params_regexp = '\((?:' . $this->_obj_single_param_regexp |
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. '(?:\s*,\s*' . $this->_obj_single_param_regexp . ')*)?\)'; |
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$this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)'; |
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$this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?)'; |
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// matches valid modifier syntax: |
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// |foo |
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// |@foo |
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// |foo:"bar" |
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// |foo:$bar |
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// |foo:"bar":$foobar |
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// |foo|bar |
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// |foo:$foo->bar |
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$this->_mod_regexp = '(?:\|@?\w+(?::(?:\w+|' . $this->_num_const_regexp . '|' |
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. $this->_obj_call_regexp . '|' . $this->_avar_regexp . '|' . $this->_qstr_regexp .'))*)'; |
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// matches valid function name: |
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// foo123 |
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// _foo_bar |
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$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 . '|' . $this->_num_const_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 resource |
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* |
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* sets $compiled_content to the compiled source |
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* @param string $resource_name |
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* @param string $source_content |
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* @param string $compiled_content |
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* @return true |
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*/ |
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function _compile_file($resource_name, $source_content, &$compiled_content) |
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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 = $resource_name; |
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$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 ($prefilter[3] || is_callable($prefilter[0])) { |
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$source_content = call_user_func_array($prefilter[0], |
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array($source_content, &$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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/* fetch all special blocks */ |
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$search = "~{$ldq}\*(.*?)\*{$rdq}|{$ldq}\s*literal\s*{$rdq}(.*?){$ldq}\s*/literal\s*{$rdq}|{$ldq}\s*php\s*{$rdq}(.*?){$ldq}\s*/php\s*{$rdq}~s"; |
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preg_match_all($search, $source_content, $match, PREG_SET_ORDER); |
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$this->_folded_blocks = $match; |
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/* replace special blocks by "{php}" */ |
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$source_content = preg_replace_callback($search, array($this,'_preg_callback') |
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, $source_content); |
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/* Gather all template tags. */ |
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preg_match_all("~{$ldq}\s*(.*?)\s*{$rdq}~s", $source_content, $_match); |
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$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", $source_content); |
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/* loop through text blocks */ |
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for ($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*[\"\']?\s*php\s*[\"\']?)~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[1]); $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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if (count($this->_tag_stack)>0) { |
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list($_open_tag, $_line_no) = end($this->_tag_stack); |
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$this->_syntax_error("unclosed tag \{$_open_tag} (opened line $_line_no).", E_USER_ERROR, __FILE__, __LINE__); |
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return; |
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} |
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/* Reformat $text_blocks between 'strip' and '/strip' tags, |
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removing spaces, tabs and newlines. */ |
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$strip = false; |
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for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) { |
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if ($compiled_tags[$i] == '{strip}') { |
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$compiled_tags[$i] = ''; |
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$strip = true; |
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/* remove leading whitespaces */ |
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$text_blocks[$i + 1] = ltrim($text_blocks[$i + 1]); |
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} |
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if ($strip) { |
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/* strip all $text_blocks before the next '/strip' */ |
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for ($j = $i + 1; $j < $for_max; $j++) { |
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/* remove leading and trailing whitespaces of each line */ |
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$text_blocks[$j] = preg_replace('![\t ]*[\r\n]+[\t ]*!', '', $text_blocks[$j]); |
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if ($compiled_tags[$j] == '{/strip}') { |
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/* remove trailing whitespaces from the last text_block */ |
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$text_blocks[$j] = rtrim($text_blocks[$j]); |
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} |
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$text_blocks[$j] = "<?php echo '" . strtr($text_blocks[$j], array("'"=>"\'", "\\"=>"\\\\")) . "'; ?>"; |
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if ($compiled_tags[$j] == '{/strip}') { |
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$compiled_tags[$j] = "\n"; /* slurped by php, but necessary |
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if a newline is following the closing strip-tag */ |
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$strip = false; |
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$i = $j; |
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break; |
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} |
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} |
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} |
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} |
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$compiled_content = ''; |
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$tag_guard = '%%%SMARTYOTG' . md5(uniqid(rand(), true)) . '%%%'; |
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|
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/* Interleave the compiled contents and text blocks to get the final result. */ |
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for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) { |
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if ($compiled_tags[$i] == '') { |
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// tag result empty, remove first newline from following text block |
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$text_blocks[$i+1] = preg_replace('~^(\r\n|\r|\n)~', '', $text_blocks[$i+1]); |
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} |
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// replace legit PHP tags with placeholder |
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$text_blocks[$i] = str_replace('<?', $tag_guard, $text_blocks[$i]); |
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$compiled_tags[$i] = str_replace('<?', $tag_guard, $compiled_tags[$i]); |
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$compiled_content .= $text_blocks[$i] . $compiled_tags[$i]; |
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} |
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$compiled_content .= str_replace('<?', $tag_guard, $text_blocks[$i]); |
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|
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// escape php tags created by interleaving |
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$compiled_content = str_replace('<?', "<?php echo '<?' ?>\n", $compiled_content); |
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$compiled_content = preg_replace("~(?<!')language\s*=\s*[\"\']?\s*php\s*[\"\']?~", "<?php echo 'language=php' ?>\n", $compiled_content); |
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|
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// recover legit tags |
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$compiled_content = str_replace($tag_guard, '<?', $compiled_content); |
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|
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// remove \n from the end of the file, if any |
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if (strlen($compiled_content) && (substr($compiled_content, -1) == "\n") ) { |
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$compiled_content = substr($compiled_content, 0, -1); |
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} |
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if (!empty($this->_cache_serial)) { |
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$compiled_content = "<?php \$this->_cache_serials['".$this->_cache_include."'] = '".$this->_cache_serial."'; ?>" . $compiled_content; |
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} |
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|
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// run compiled template through postfilter functions |
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if (count($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 ($postfilter[3] || is_callable($postfilter[0])) { |
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$compiled_content = call_user_func_array($postfilter[0], |
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array($compiled_content, &$this)); |
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$this->_plugins['postfilter'][$filter_name][3] = true; |
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} else { |
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$this->_trigger_fatal_error("Smarty plugin error: postfilter '$filter_name' is not implemented"); |
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} |
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} |
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} |
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|
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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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$template_header .= " compiled from ".strtr(urlencode($resource_name), array('%2F'=>'/', '%3A'=>':'))." */ ?>\n"; |
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|
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/* Emit code to load needed plugins. */ |
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$this->_plugins_code = ''; |
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if (count($this->_plugin_info)) { |
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$_plugins_params = "array('plugins' => array("; |
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foreach ($this->_plugin_info as $plugin_type => $plugins) { |
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foreach ($plugins as $plugin_name => $plugin_info) { |
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$_plugins_params .= "array('$plugin_type', '$plugin_name', '" . strtr($plugin_info[0], array("'" => "\\'", "\\" => "\\\\")) . "', $plugin_info[1], "; |
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$_plugins_params .= $plugin_info[2] ? 'true),' : 'false),'; |
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} |
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} |
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$_plugins_params .= '))'; |
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$plugins_code = "<?php require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');\nsmarty_core_load_plugins($_plugins_params, \$this); ?>\n"; |
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$template_header .= $plugins_code; |
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$this->_plugin_info = array(); |
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$this->_plugins_code = $plugins_code; |
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} |
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if ($this->_init_smarty_vars) { |
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$template_header .= "<?php require_once(SMARTY_CORE_DIR . 'core.assign_smarty_interface.php');\nsmarty_core_assign_smarty_interface(null, \$this); ?>\n"; |
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$this->_init_smarty_vars = false; |
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} |
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$compiled_content = $template_header . $compiled_content; |
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return true; |
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} |
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|
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/** |
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* Compile a template tag |
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* |
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* @param string $template_tag |
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* @return string |
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*/ |
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function _compile_tag($template_tag) |
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{ |
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/* Matched comment. */ |
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if (substr($template_tag, 0, 1) == '*' && substr($template_tag, -1) == '*') |
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return ''; |
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|
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/* Split tag into two three parts: command, command modifiers and the arguments. */ |
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if(! preg_match('~^(?:(' . $this->_num_const_regexp . '|' . $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)) { |
|
$this->_syntax_error("unrecognized tag: $template_tag", E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
|
|
$tag_command = $match[1]; |
|
$tag_modifier = isset($match[2]) ? $match[2] : null; |
|
$tag_args = isset($match[3]) ? $match[3] : null; |
|
|
|
if (preg_match('~^' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '$~', $tag_command)) { |
|
/* tag name is a variable or object */ |
|
$_return = $this->_parse_var_props($tag_command . $tag_modifier); |
|
return "<?php echo $_return; ?>" . $this->_additional_newline; |
|
} |
|
|
|
/* If the tag name is a registered object, we process it. */ |
|
if (preg_match('~^\/?' . $this->_reg_obj_regexp . '$~', $tag_command)) { |
|
return $this->_compile_registered_object_tag($tag_command, $this->_parse_attrs($tag_args), $tag_modifier); |
|
} |
|
|
|
switch ($tag_command) { |
|
case 'include': |
|
return $this->_compile_include_tag($tag_args); |
|
|
|
case 'include_php': |
|
return $this->_compile_include_php_tag($tag_args); |
|
|
|
case 'if': |
|
$this->_push_tag('if'); |
|
return $this->_compile_if_tag($tag_args); |
|
|
|
case 'else': |
|
list($_open_tag) = end($this->_tag_stack); |
|
if ($_open_tag != 'if' && $_open_tag != 'elseif') |
|
$this->_syntax_error('unexpected {else}', E_USER_ERROR, __FILE__, __LINE__); |
|
else |
|
$this->_push_tag('else'); |
|
return '<?php else: ?>'; |
|
|
|
case 'elseif': |
|
list($_open_tag) = end($this->_tag_stack); |
|
if ($_open_tag != 'if' && $_open_tag != 'elseif') |
|
$this->_syntax_error('unexpected {elseif}', E_USER_ERROR, __FILE__, __LINE__); |
|
if ($_open_tag == 'if') |
|
$this->_push_tag('elseif'); |
|
return $this->_compile_if_tag($tag_args, true); |
|
|
|
case '/if': |
|
$this->_pop_tag('if'); |
|
return '<?php endif; ?>'; |
|
|
|
case 'capture': |
|
return $this->_compile_capture_tag(true, $tag_args); |
|
|
|
case '/capture': |
|
return $this->_compile_capture_tag(false); |
|
|
|
case 'ldelim': |
|
return $this->left_delimiter; |
|
|
|
case 'rdelim': |
|
return $this->right_delimiter; |
|
|
|
case 'section': |
|
$this->_push_tag('section'); |
|
return $this->_compile_section_start($tag_args); |
|
|
|
case 'sectionelse': |
|
$this->_push_tag('sectionelse'); |
|
return "<?php endfor; else: ?>"; |
|
break; |
|
|
|
case '/section': |
|
$_open_tag = $this->_pop_tag('section'); |
|
if ($_open_tag == 'sectionelse') |
|
return "<?php endif; ?>"; |
|
else |
|
return "<?php endfor; endif; ?>"; |
|
|
|
case 'foreach': |
|
$this->_push_tag('foreach'); |
|
return $this->_compile_foreach_start($tag_args); |
|
break; |
|
|
|
case 'foreachelse': |
|
$this->_push_tag('foreachelse'); |
|
return "<?php endforeach; else: ?>"; |
|
|
|
case '/foreach': |
|
$_open_tag = $this->_pop_tag('foreach'); |
|
if ($_open_tag == 'foreachelse') |
|
return "<?php endif; unset(\$_from); ?>"; |
|
else |
|
return "<?php endforeach; endif; unset(\$_from); ?>"; |
|
break; |
|
|
|
case 'strip': |
|
case '/strip': |
|
if (substr($tag_command, 0, 1)=='/') { |
|
$this->_pop_tag('strip'); |
|
if (--$this->_strip_depth==0) { /* outermost closing {/strip} */ |
|
$this->_additional_newline = "\n"; |
|
return '{' . $tag_command . '}'; |
|
} |
|
} else { |
|
$this->_push_tag('strip'); |
|
if ($this->_strip_depth++==0) { /* outermost opening {strip} */ |
|
$this->_additional_newline = ""; |
|
return '{' . $tag_command . '}'; |
|
} |
|
} |
|
return ''; |
|
|
|
case 'php': |
|
/* handle folded tags replaced by {php} */ |
|
$block = array_shift($this->_folded_blocks); |
|
$this->_current_line_no += substr_count($block[0], "\n"); |
|
/* the number of matched elements in the regexp in _compile_file() |
|
determins the type of folded tag that was found */ |
|
switch (count($block)) { |
|
case 2: /* comment */ |
|
return ''; |
|
|
|
case 3: /* literal */ |
|
return "<?php echo '" . strtr($block[2], array("'"=>"\'", "\\"=>"\\\\")) . "'; ?>" . $this->_additional_newline; |
|
|
|
case 4: /* php */ |
|
if ($this->security && !$this->security_settings['PHP_TAGS']) { |
|
$this->_syntax_error("(secure mode) php tags not permitted", E_USER_WARNING, __FILE__, __LINE__); |
|
return; |
|
} |
|
return '<?php ' . $block[3] .' ?>'; |
|
} |
|
break; |
|
|
|
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 $output; |
|
} else if ($this->_compile_custom_tag($tag_command, $tag_args, $tag_modifier, $output)) { |
|
return $output; |
|
} else { |
|
$this->_syntax_error("unrecognized tag '$tag_command'", E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
|
|
} |
|
} |
|
|
|
|
|
/** |
|
* compile the custom compiler tag |
|
* |
|
* sets $output to the compiled custom compiler tag |
|
* @param string $tag_command |
|
* @param string $tag_args |
|
* @param string $output |
|
* @return boolean |
|
*/ |
|
function _compile_compiler_tag($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 (!is_callable($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_' . $tag_command; |
|
if (!is_callable($plugin_func)) { |
|
$message = "plugin function $plugin_func() not found in $plugin_file\n"; |
|
$have_function = false; |
|
} else { |
|
$this->_plugins['compiler'][$tag_command] = array($plugin_func, null, null, null, true); |
|
} |
|
} |
|
|
|
/* |
|
* True return value means that we either found a plugin or a |
|
* dynamically registered function. False means that we didn't and the |
|
* compiler should now emit code to load custom function plugin for this |
|
* tag. |
|
*/ |
|
if ($found) { |
|
if ($have_function) { |
|
$output = call_user_func_array($plugin_func, array($tag_args, &$this)); |
|
if($output != '') { |
|
$output = '<?php ' . $this->_push_cacheable_state('compiler', $tag_command) |
|
. $output |
|
. $this->_pop_cacheable_state('compiler', $tag_command) . ' ?>'; |
|
} |
|
} else { |
|
$this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); |
|
} |
|
return true; |
|
} else { |
|
return false; |
|
} |
|
} |
|
|
|
|
|
/** |
|
* compile block function tag |
|
* |
|
* sets $output to compiled block function tag |
|
* @param string $tag_command |
|
* @param string $tag_args |
|
* @param string $tag_modifier |
|
* @param string $output |
|
* @return boolean |
|
*/ |
|
function _compile_block_tag($tag_command, $tag_args, $tag_modifier, &$output) |
|
{ |
|
if (substr($tag_command, 0, 1) == '/') { |
|
$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 (!is_callable($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($plugin_func, null, null, null, true); |
|
|
|
} |
|
} |
|
|
|
if (!$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) |
|
$this->_push_tag($tag_command); |
|
else |
|
$this->_pop_tag($tag_command); |
|
|
|
if ($start_tag) { |
|
$output = '<?php ' . $this->_push_cacheable_state('block', $tag_command); |
|
$attrs = $this->_parse_attrs($tag_args); |
|
$_cache_attrs=''; |
|
$arg_list = $this->_compile_arg_list('block', $tag_command, $attrs, $_cache_attrs); |
|
$output .= "$_cache_attrs\$this->_tag_stack[] = array('$tag_command', array(".implode(',', $arg_list).')); '; |
|
$output .= '$_block_repeat=true;' . $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], null, $this, $_block_repeat);'; |
|
$output .= 'while ($_block_repeat) { ob_start(); ?>'; |
|
} else { |
|
$output = '<?php $_block_content = ob_get_contents(); ob_end_clean(); '; |
|
$_out_tag_text = $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], $_block_content, $this, $_block_repeat)'; |
|
if ($tag_modifier != '') { |
|
$this->_parse_modifiers($_out_tag_text, $tag_modifier); |
|
} |
|
$output .= '$_block_repeat=false;echo ' . $_out_tag_text . '; } '; |
|
$output .= " array_pop(\$this->_tag_stack); " . $this->_pop_cacheable_state('block', $tag_command) . '?>'; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
function _preg_callback ($matches) { |
|
return $this->_quote_replace($this->left_delimiter) |
|
. 'php' |
|
. str_repeat("\n", substr_count($matches[1], "\n")) |
|
. $this->_quote_replace($this->right_delimiter); |
|
} |
|
/** |
|
* compile custom function tag |
|
* |
|
* @param string $tag_command |
|
* @param string $tag_args |
|
* @param string $tag_modifier |
|
* @return string |
|
*/ |
|
function _compile_custom_tag($tag_command, $tag_args, $tag_modifier, &$output) |
|
{ |
|
$found = false; |
|
$have_function = true; |
|
|
|
/* |
|
* First we check if the custom function has already been registered |
|
* or loaded from a plugin file. |
|
*/ |
|
if (isset($this->_plugins['function'][$tag_command])) { |
|
$found = true; |
|
$plugin_func = $this->_plugins['function'][$tag_command][0]; |
|
if (!is_callable($plugin_func)) { |
|
$message = "custom function '$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('function', $tag_command)) { |
|
$found = true; |
|
|
|
include_once $plugin_file; |
|
|
|
$plugin_func = 'smarty_function_' . $tag_command; |
|
if (!function_exists($plugin_func)) { |
|
$message = "plugin function $plugin_func() not found in $plugin_file\n"; |
|
$have_function = false; |
|
} else { |
|
$this->_plugins['function'][$tag_command] = array($plugin_func, null, null, null, true); |
|
|
|
} |
|
} |
|
|
|
if (!$found) { |
|
return false; |
|
} else if (!$have_function) { |
|
$this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); |
|
return true; |
|
} |
|
|
|
/* declare plugin to be loaded on display of the template that |
|
we compile right now */ |
|
$this->_add_plugin('function', $tag_command); |
|
|
|
$_cacheable_state = $this->_push_cacheable_state('function', $tag_command); |
|
$attrs = $this->_parse_attrs($tag_args); |
|
$_cache_attrs = ''; |
|
$arg_list = $this->_compile_arg_list('function', $tag_command, $attrs, $_cache_attrs); |
|
|
|
$output = $this->_compile_plugin_call('function', $tag_command).'(array('.implode(',', $arg_list)."), \$this)"; |
|
if($tag_modifier != '') { |
|
$this->_parse_modifiers($output, $tag_modifier); |
|
} |
|
|
|
if($output != '') { |
|
$output = '<?php ' . $_cacheable_state . $_cache_attrs . 'echo ' . $output . ';' |
|
. $this->_pop_cacheable_state('function', $tag_command) . "?>" . $this->_additional_newline; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
/** |
|
* compile a registered object tag |
|
* |
|
* @param string $tag_command |
|
* @param array $attrs |
|
* @param string $tag_modifier |
|
* @return string |
|
*/ |
|
function _compile_registered_object_tag($tag_command, $attrs, $tag_modifier) |
|
{ |
|
if (substr($tag_command, 0, 1) == '/') { |
|
$start_tag = false; |
|
$tag_command = substr($tag_command, 1); |
|
} else { |
|
$start_tag = true; |
|
} |
|
|
|
list($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][2]) { |
|
// smarty object argument format |
|
$args = "array(".implode(',', (array)$arg_list)."), \$this"; |
|
} else { |
|
// traditional argument format |
|
$args = implode(',', array_values($attrs)); |
|
if (empty($args)) { |
|
$args = ''; |
|
} |
|
} |
|
|
|
$prefix = ''; |
|
$postfix = ''; |
|
$newline = ''; |
|
if(!is_object($this->_reg_objects[$object][0])) { |
|
$this->_trigger_fatal_error("registered '$object' is not an object" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); |
|
} elseif(!empty($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'", $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); |
|
} elseif(method_exists($this->_reg_objects[$object][0], $obj_comp)) { |
|
// method |
|
if(in_array($obj_comp, $this->_reg_objects[$object][3])) { |
|
// block method |
|
if ($start_tag) { |
|
$prefix = "\$this->_tag_stack[] = array('$obj_comp', $args); "; |
|
$prefix .= "\$_block_repeat=true; \$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], null, \$this, \$_block_repeat); "; |
|
$prefix .= "while (\$_block_repeat) { ob_start();"; |
|
$return = null; |
|
$postfix = ''; |
|
} else { |
|
$prefix = "\$_obj_block_content = ob_get_contents(); ob_end_clean(); \$_block_repeat=false;"; |
|
$return = "\$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], \$_obj_block_content, \$this, \$_block_repeat)"; |
|
$postfix = "} array_pop(\$this->_tag_stack);"; |
|
} |
|
} else { |
|
// non-block method |
|
$return = "\$this->_reg_objects['$object'][0]->$obj_comp($args)"; |
|
} |
|
} else { |
|
// property |
|
$return = "\$this->_reg_objects['$object'][0]->$obj_comp"; |
|
} |
|
|
|
if($return != null) { |
|
if($tag_modifier != '') { |
|
$this->_parse_modifiers($return, $tag_modifier); |
|
} |
|
|
|
if(!empty($_assign_var)) { |
|
$output = "\$this->assign('" . $this->_dequote($_assign_var) ."', $return);"; |
|
} else { |
|
$output = 'echo ' . $return . ';'; |
|
$newline = $this->_additional_newline; |
|
} |
|
} else { |
|
$output = ''; |
|
} |
|
|
|
return '<?php ' . $prefix . $output . $postfix . "?>" . $newline; |
|
} |
|
|
|
/** |
|
* Compile {insert ...} tag |
|
* |
|
* @param string $tag_args |
|
* @return string |
|
*/ |
|
function _compile_insert_tag($tag_args) |
|
{ |
|
$attrs = $this->_parse_attrs($tag_args); |
|
$name = $this->_dequote($attrs['name']); |
|
|
|
if (empty($name)) { |
|
return $this->_syntax_error("missing insert name", E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
|
|
if (!preg_match('~^\w+$~', $name)) { |
|
return $this->_syntax_error("'insert: 'name' must be an insert function name", E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
|
|
if (!empty($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); |
|
|
|
$_params = "array('args' => array(".implode(', ', (array)$arg_list)."))"; |
|
|
|
return "<?php require_once(SMARTY_CORE_DIR . 'core.run_insert_handler.php');\necho smarty_core_run_insert_handler($_params, \$this); ?>" . $this->_additional_newline; |
|
} |
|
|
|
/** |
|
* Compile {include ...} tag |
|
* |
|
* @param string $tag_args |
|
* @return string |
|
*/ |
|
function _compile_include_tag($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"; |
|
|
|
|
|
$_params = "array('smarty_include_tpl_file' => " . $include_file . ", 'smarty_include_vars' => array(".implode(',', (array)$arg_list)."))"; |
|
$output .= "\$this->_smarty_include($_params);\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 |
|
* |
|
* @param string $tag_args |
|
* @return string |
|
*/ |
|
function _compile_include_php_tag($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__); |
|
} |
|
|
|
$assign_var = (empty($attrs['assign'])) ? '' : $this->_dequote($attrs['assign']); |
|
$once_var = (empty($attrs['once']) || $attrs['once']=='false') ? 'false' : 'true'; |
|
|
|
$arg_list = array(); |
|
foreach($attrs as $arg_name => $arg_value) { |
|
if($arg_name != 'file' AND $arg_name != 'once' AND $arg_name != 'assign') { |
|
if(is_bool($arg_value)) |
|
$arg_value = $arg_value ? 'true' : 'false'; |
|
$arg_list[] = "'$arg_name' => $arg_value"; |
|
} |
|
} |
|
|
|
$_params = "array('smarty_file' => " . $attrs['file'] . ", 'smarty_assign' => '$assign_var', 'smarty_once' => $once_var, 'smarty_include_vars' => array(".implode(',', $arg_list)."))"; |
|
|
|
return "<?php require_once(SMARTY_CORE_DIR . 'core.smarty_include_php.php');\nsmarty_core_smarty_include_php($_params, \$this); ?>" . $this->_additional_newline; |
|
} |
|
|
|
|
|
/** |
|
* Compile {section ...} tag |
|
* |
|
* @param string $tag_args |
|
* @return string |
|
*/ |
|
function _compile_section_start($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__); |
|
} |
|
|
|
$output .= "unset(\$this->_sections[$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(\$_loop=$attr_value) ? count(\$_loop) : max(0, (int)\$_loop); unset(\$_loop);\n"; |
|
break; |
|
|
|
case 'show': |
|
if (is_bool($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. |
|
* |
|
* @param string $tag_args |
|
* @return string |
|
*/ |
|
function _compile_foreach_start($tag_args) |
|
{ |
|
$attrs = $this->_parse_attrs($tag_args); |
|
$arg_list = array(); |
|
|
|
if (empty($attrs['from'])) { |
|
return $this->_syntax_error("foreach: missing 'from' attribute", E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
$from = $attrs['from']; |
|
|
|
if (empty($attrs['item'])) { |
|
return $this->_syntax_error("foreach: missing 'item' attribute", E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
$item = $this->_dequote($attrs['item']); |
|
if (!preg_match('~^\w+$~', $item)) { |
|
return $this->_syntax_error("foreach: 'item' must be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
|
|
if (isset($attrs['key'])) { |
|
$key = $this->_dequote($attrs['key']); |
|
if (!preg_match('~^\w+$~', $key)) { |
|
return $this->_syntax_error("foreach: 'key' must to be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
$key_part = "\$this->_tpl_vars['$key'] => "; |
|
} else { |
|
$key = null; |
|
$key_part = ''; |
|
} |
|
|
|
if (isset($attrs['name'])) { |
|
$name = $attrs['name']; |
|
} else { |
|
$name = null; |
|
} |
|
|
|
$output = '<?php '; |
|
$output .= "\$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array'); }"; |
|
if (isset($name)) { |
|
$foreach_props = "\$this->_foreach[$name]"; |
|
$output .= "{$foreach_props} = array('total' => count(\$_from), 'iteration' => 0);\n"; |
|
$output .= "if ({$foreach_props}['total'] > 0):\n"; |
|
$output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; |
|
$output .= " {$foreach_props}['iteration']++;\n"; |
|
} else { |
|
$output .= "if (count(\$_from)):\n"; |
|
$output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; |
|
} |
|
$output .= '?>'; |
|
|
|
return $output; |
|
} |
|
|
|
|
|
/** |
|
* Compile {capture} .. {/capture} tags |
|
* |
|
* @param boolean $start true if this is the {capture} tag |
|
* @param string $tag_args |
|
* @return string |
|
*/ |
|
|
|
function _compile_capture_tag($start, $tag_args = '') |
|
{ |
|
$attrs = $this->_parse_attrs($tag_args); |
|
|
|
if ($start) { |
|
$buffer = isset($attrs['name']) ? $attrs['name'] : "'default'"; |
|
$assign = isset($attrs['assign']) ? $attrs['assign'] : null; |
|
$append = isset($attrs['append']) ? $attrs['append'] : null; |
|
|
|
$output = "<?php ob_start(); ?>"; |
|
$this->_capture_stack[] = array($buffer, $assign, $append); |
|
} else { |
|
list($buffer, $assign, $append) = array_pop($this->_capture_stack); |
|
$output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); "; |
|
if (isset($assign)) { |
|
$output .= " \$this->assign($assign, ob_get_contents());"; |
|
} |
|
if (isset($append)) { |
|
$output .= " \$this->append($append, ob_get_contents());"; |
|
} |
|
$output .= "ob_end_clean(); ?>"; |
|
} |
|
|
|
return $output; |
|
} |
|
|
|
/** |
|
* Compile {if ...} tag |
|
* |
|
* @param string $tag_args |
|
* @param boolean $elseif if true, uses elseif instead of if |
|
* @return string |
|
*/ |
|
function _compile_if_tag($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 |
|
\-?0[xX][0-9a-fA-F]+|\-?\d+(?:\.\d+)?|\.\d+|!==|===|==|!=|<>|<<|>>|<=|>=|\&\&|\|\||\(|\)|,|\!|\^|=|\&|\~|<|>|\||\%|\+|\-|\/|\*|\@ | # valid non-word token |
|
\b\w+\b | # valid word token |
|
\S+ # anything else |
|
)~x', $tag_args, $match); |
|
|
|
$tokens = $match[0]; |
|
|
|
if(empty($tokens)) { |
|
$_error_msg = $elseif ? "'elseif'" : "'if'"; |
|
$_error_msg .= ' statement requires arguments'; |
|
$this->_syntax_error($_error_msg, E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
|
|
|
|
// 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[$i]; |
|
|
|
switch (strtolower($token)) { |
|
case '!': |
|
case '%': |
|
case '!==': |
|
case '==': |
|
case '===': |
|
case '>': |
|
case '<': |
|
case '!=': |
|
case '<>': |
|
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); |
|
if ($is_arg_start != 0) { |
|
if (preg_match('~^' . $this->_func_regexp . '$~', $tokens[$is_arg_start-1])) { |
|
$is_arg_start--; |
|
} |
|
} |
|
} 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('~^' . $this->_var_regexp . '$~', $token) && (strpos('+-*/^%&|', substr($token, -1)) === false) && isset($tokens[$i+1]) && $tokens[$i+1] == '(') { |
|
// variable function call |
|
$this->_syntax_error("variable function call '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__); |
|
} elseif(preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)$~', $token)) { |
|
// object or variable |
|
$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(' ', $tokens).'): ?>'; |
|
} |
|
|
|
|
|
function _compile_arg_list($type, $name, $attrs, &$cache_code) { |
|
$arg_list = array(); |
|
|
|
if (isset($type) && isset($name) |
|
&& isset($this->_plugins[$type]) |
|
&& isset($this->_plugins[$type][$name]) |
|
&& empty($this->_plugins[$type][$name][4]) |
|
&& is_array($this->_plugins[$type][$name][5]) |
|
) { |
|
/* we have a list of parameters that should be cached */ |
|
$_cache_attrs = $this->_plugins[$type][$name][5]; |
|
$_count = $this->_cache_attrs_count++; |
|
$cache_code = "\$_cache_attrs =& \$this->_smarty_cache_attrs('$this->_cache_serial','$_count');"; |
|
|
|
} else { |
|
/* no parameters are cached */ |
|
$_cache_attrs = null; |
|
} |
|
|
|
foreach ($attrs as $arg_name => $arg_value) { |
|
if (is_bool($arg_value)) |
|
$arg_value = $arg_value ? 'true' : 'false'; |
|
if (is_null($arg_value)) |
|
$arg_value = 'null'; |
|
if ($_cache_attrs && in_array($arg_name, $_cache_attrs)) { |
|
$arg_list[] = "'$arg_name' => (\$this->_cache_including) ? \$_cache_attrs['$arg_name'] : (\$_cache_attrs['$arg_name']=$arg_value)"; |
|
} else { |
|
$arg_list[] = "'$arg_name' => $arg_value"; |
|
} |
|
} |
|
return $arg_list; |
|
} |
|
|
|
/** |
|
* Parse is expression |
|
* |
|
* @param string $is_arg |
|
* @param array $tokens |
|
* @return array |
|
*/ |
|
function _parse_is_expr($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 (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') { |
|
$expr_end++; |
|
$expr_arg = $tokens[$expr_end++]; |
|
$expr = "!(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))"; |
|
} else |
|
$expr = "!(1 & $is_arg)"; |
|
break; |
|
|
|
case 'odd': |
|
if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') { |
|
$expr_end++; |
|
$expr_arg = $tokens[$expr_end++]; |
|
$expr = "(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))"; |
|
} else |
|
$expr = "(1 & $is_arg)"; |
|
break; |
|
|
|
case 'div': |
|
if (@$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 |
|
* |
|
* @param string $tag_args |
|
* @return array |
|
*/ |
|
function _parse_attrs($tag_args) |
|
{ |
|
|
|
/* 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)) { |
|
$token = 'false'; |
|
} else if ($token == 'null') { |
|
$token = 'null'; |
|
} else if (preg_match('~^' . $this->_num_const_regexp . '|0[xX][0-9a-fA-F]+$~', $token)) { |
|
/* treat integer literally */ |
|
} else if (!preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . ')*$~', $token)) { |
|
/* treat as a string, double-quote it escaping quotes */ |
|
$token = '"'.addslashes($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 |
|
* |
|
* @param array $tokens |
|
*/ |
|
function _parse_vars_props(&$tokens) |
|
{ |
|
foreach($tokens as $key => $val) { |
|
$tokens[$key] = $this->_parse_var_props($val); |
|
} |
|
} |
|
|
|
/** |
|
* compile single variable and section properties token into |
|
* PHP code |
|
* |
|
* @param string $val |
|
* @param string $tag_attrs |
|
* @return string |
|
*/ |
|
function _parse_var_props($val) |
|
{ |
|
$val = trim($val); |
|
|
|
if(preg_match('~^(' . $this->_obj_call_regexp . '|' . $this->_dvar_regexp . ')(' . $this->_mod_regexp . '*)$~', $val, $match)) { |
|
// $ variable or object |
|
$return = $this->_parse_var($match[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; |
|
} |
|
$this->_parse_modifiers($return, $modifiers); |
|
return $return; |
|
} 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->_num_const_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
|
// numerical constant |
|
preg_match('~^(' . $this->_num_const_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); |
|
if($match[2] != '') { |
|
$this->_parse_modifiers($match[1], $match[2]); |
|
return $match[1]; |
|
} |
|
} |
|
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 $this->_expand_quoted_text('"' . strtr($val, array('\\' => '\\\\', '"' => '\\"')) .'"'); |
|
} |
|
return $val; |
|
} |
|
|
|
/** |
|
* expand quoted text with embedded variables |
|
* |
|
* @param string $var_expr |
|
* @return string |
|
*/ |
|
function _expand_quoted_text($var_expr) |
|
{ |
|
// if contains unescaped $, expand it |
|
if(preg_match_all('~(?:\`(?<!\\\\)\$' . $this->_dvar_guts_regexp . '(?:' . $this->_obj_ext_regexp . ')*\`)|(?:(?<!\\\\)\$\w+(\[[a-zA-Z0-9]+\])*)~', $var_expr, $_match)) { |
|
$_match = $_match[0]; |
|
$_replace = array(); |
|
foreach($_match as $_var) { |
|
$_replace[$_var] = '".(' . $this->_parse_var(str_replace('`','',$_var)) . ')."'; |
|
} |
|
$var_expr = strtr($var_expr, $_replace); |
|
$_return = preg_replace('~\.""|(?<!\\\\)""\.~', '', $var_expr); |
|
} else { |
|
$_return = $var_expr; |
|
} |
|
// replace double quoted literal string with single quotes |
|
$_return = preg_replace('~^"([\s\w]+)"$~',"'\\1'",$_return); |
|
return $_return; |
|
} |
|
|
|
/** |
|
* parse variable expression into PHP code |
|
* |
|
* @param string $var_expr |
|
* @param string $output |
|
* @return string |
|
*/ |
|
function _parse_var($var_expr) |
|
{ |
|
$_has_math = false; |
|
$_math_vars = preg_split('~('.$this->_dvar_math_regexp.'|'.$this->_qstr_regexp.')~', $var_expr, -1, PREG_SPLIT_DELIM_CAPTURE); |
|
|
|
if(count($_math_vars) > 1) { |
|
$_first_var = ""; |
|
$_complete_var = ""; |
|
$_output = ""; |
|
// simple check if there is any math, to stop recursion (due to modifiers with "xx % yy" as parameter) |
|
foreach($_math_vars as $_k => $_math_var) { |
|
$_math_var = $_math_vars[$_k]; |
|
|
|
if(!empty($_math_var) || is_numeric($_math_var)) { |
|
// hit a math operator, so process the stuff which came before it |
|
if(preg_match('~^' . $this->_dvar_math_regexp . '$~', $_math_var)) { |
|
$_has_math = true; |
|
if(!empty($_complete_var) || is_numeric($_complete_var)) { |
|
$_output .= $this->_parse_var($_complete_var); |
|
} |
|
|
|
// just output the math operator to php |
|
$_output .= $_math_var; |
|
|
|
if(empty($_first_var)) |
|
$_first_var = $_complete_var; |
|
|
|
$_complete_var = ""; |
|
} else { |
|
$_complete_var .= $_math_var; |
|
} |
|
} |
|
} |
|
if($_has_math) { |
|
if(!empty($_complete_var) || is_numeric($_complete_var)) |
|
$_output .= $this->_parse_var($_complete_var); |
|
|
|
// get the modifiers working (only the last var from math + modifier is left) |
|
$var_expr = $_complete_var; |
|
} |
|
} |
|
|
|
// prevent cutting of first digit in the number (we _definitly_ got a number if the first char is a digit) |
|
if(is_numeric(substr($var_expr, 0, 1))) |
|
$_var_ref = $var_expr; |
|
else |
|
$_var_ref = substr($var_expr, 1); |
|
|
|
if(!$_has_math) { |
|
|
|
// get [foo] and .foo and ->foo and (...) pieces |
|
preg_match_all('~(?:^\w+)|' . $this->_obj_params_regexp . '|(?:' . $this->_var_bracket_regexp . ')|->\$?\w+|\.\$?\w+|\S+~', $_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']"; |
|
} |
|
} elseif(is_numeric($_var_name) && is_numeric(substr($var_expr, 0, 1))) { |
|
// because . is the operator for accessing arrays thru inidizes we need to put it together again for floating point numbers |
|
if(count($_indexes) > 0) |
|
{ |
|
$_var_name .= implode("", $_indexes); |
|
$_indexes = array(); |
|
} |
|
$_output = $_var_name; |
|
} else { |
|
$_output = "\$this->_tpl_vars['$_var_name']"; |
|
} |
|
|
|
foreach ($_indexes as $_index) { |
|
if (substr($_index, 0, 1) == '[') { |
|
$_index = substr($_index, 1, -1); |
|
if (is_numeric($_index)) { |
|
$_output .= "[$_index]"; |
|
} elseif (substr($_index, 0, 1) == '$') { |
|
if (strpos($_index, '.') !== false) { |
|
$_output .= '[' . $this->_parse_var($_index) . ']'; |
|
} else { |
|
$_output .= "[\$this->_tpl_vars['" . substr($_index, 1) . "']]"; |
|
} |
|
} else { |
|
$_var_parts = explode('.', $_index); |
|
$_var_section = $_var_parts[0]; |
|
$_var_section_prop = isset($_var_parts[1]) ? $_var_parts[1] : 'index'; |
|
$_output .= "[\$this->_sections['$_var_section']['$_var_section_prop']]"; |
|
} |
|
} else if (substr($_index, 0, 1) == '.') { |
|
if (substr($_index, 1, 1) == '$') |
|
$_output .= "[\$this->_tpl_vars['" . substr($_index, 2) . "']]"; |
|
else |
|
$_output .= "['" . substr($_index, 1) . "']"; |
|
} else if (substr($_index,0,2) == '->') { |
|
if(substr($_index,2,2) == '__') { |
|
$this->_syntax_error('call to internal object members is not allowed', E_USER_ERROR, __FILE__, __LINE__); |
|
} elseif($this->security && substr($_index, 2, 1) == '_') { |
|
$this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); |
|
} elseif (substr($_index, 2, 1) == '$') { |
|
if ($this->security) { |
|
$this->_syntax_error('(secure) call to dynamic object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); |
|
} else { |
|
$_output .= '->{(($_var=$this->_tpl_vars[\''.substr($_index,3).'\']) && substr($_var,0,2)!=\'__\') ? $_var : $this->trigger_error("cannot access property \\"$_var\\"")}'; |
|
} |
|
} else { |
|
$_output .= $_index; |
|
} |
|
} elseif (substr($_index, 0, 1) == '(') { |
|
$_index = $this->_parse_parenth_args($_index); |
|
$_output .= $_index; |
|
} else { |
|
$_output .= $_index; |
|
} |
|
} |
|
} |
|
|
|
return $_output; |
|
} |
|
|
|
/** |
|
* parse arguments in function call parenthesis |
|
* |
|
* @param string $parenth_args |
|
* @return string |
|
*/ |
|
function _parse_parenth_args($parenth_args) |
|
{ |
|
preg_match_all('~' . $this->_param_regexp . '~',$parenth_args, $match); |
|
$orig_vals = $match = $match[0]; |
|
$this->_parse_vars_props($match); |
|
$replace = array(); |
|
for ($i = 0, $count = count($match); $i < $count; $i++) { |
|
$replace[$orig_vals[$i]] = $match[$i]; |
|
} |
|
return strtr($parenth_args, $replace); |
|
} |
|
|
|
/** |
|
* parse configuration variable expression into PHP code |
|
* |
|
* @param string $conf_var_expr |
|
*/ |
|
function _parse_conf_var($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 |
|
* |
|
* @param string $section_prop_expr |
|
* @return string |
|
*/ |
|
function _parse_section_prop($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 |
|
* |
|
* sets $output to parsed modified chain |
|
* @param string $output |
|
* @param string $modifier_string |
|
*/ |
|
function _parse_modifiers(&$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 = $_match[1]; |
|
|
|
if (substr($_modifier_name, 0, 1) == '@') { |
|
$_map_array = false; |
|
$_modifier_name = substr($_modifier_name, 1); |
|
} else { |
|
$_map_array = true; |
|
} |
|
|
|
if (empty($this->_plugins['modifier'][$_modifier_name]) |
|
&& !$this->_get_plugin_filepath('modifier', $_modifier_name) |
|
&& function_exists($_modifier_name)) { |
|
if ($this->security && !in_array($_modifier_name, $this->security_settings['MODIFIER_FUNCS'])) { |
|
$this->_trigger_fatal_error("[plugin] (secure mode) modifier '$_modifier_name' is not allowed" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); |
|
} else { |
|
$this->_plugins['modifier'][$_modifier_name] = array($_modifier_name, null, null, false); |
|
} |
|
} |
|
$this->_add_plugin('modifier', $_modifier_name); |
|
|
|
$this->_parse_vars_props($_modifier_args); |
|
|
|
if($_modifier_name == 'default') { |
|
// supress notifications of default modifier vars and args |
|
if(substr($output, 0, 1) == '$') { |
|
$output = '@' . $output; |
|
} |
|
if(isset($_modifier_args[0]) && substr($_modifier_args[0], 0, 1) == '$') { |
|
$_modifier_args[0] = '@' . $_modifier_args[0]; |
|
} |
|
} |
|
if (count($_modifier_args) > 0) |
|
$_modifier_args = ', '.implode(', ', $_modifier_args); |
|
else |
|
$_modifier_args = ''; |
|
|
|
if ($_map_array) { |
|
$output = "((is_array(\$_tmp=$output)) ? \$this->_run_mod_handler('$_modifier_name', true, \$_tmp$_modifier_args) : " . $this->_compile_plugin_call('modifier', $_modifier_name) . "(\$_tmp$_modifier_args))"; |
|
|
|
} else { |
|
|
|
$output = $this->_compile_plugin_call('modifier', $_modifier_name)."($output$_modifier_args)"; |
|
|
|
} |
|
} |
|
} |
|
|
|
|
|
/** |
|
* add plugin |
|
* |
|
* @param string $type |
|
* @param string $name |
|
* @param boolean? $delayed_loading |
|
*/ |
|
function _add_plugin($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 |
|
* |
|
* @param string $indexes |
|
* @return string |
|
*/ |
|
function _compile_smarty_ref(&$indexes) |
|
{ |
|
/* Extract the reference name. */ |
|
$_ref = substr($indexes[0], 1); |
|
foreach($indexes as $_index_no=>$_index) { |
|
if (substr($_index, 0, 1) != '.' && $_index_no<2 || !preg_match('~^(\.|\[|->)~', $_index)) { |
|
$this->_syntax_error('$smarty' . implode('', array_slice($indexes, 0, 2)) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
} |
|
|
|
switch ($_ref) { |
|
case 'now': |
|
$compiled_ref = 'time()'; |
|
$_max_index = 1; |
|
break; |
|
|
|
case 'foreach': |
|
array_shift($indexes); |
|
$_var = $this->_parse_var_props(substr($indexes[0], 1)); |
|
$_propname = substr($indexes[1], 1); |
|
$_max_index = 1; |
|
switch ($_propname) { |
|
case 'index': |
|
array_shift($indexes); |
|
$compiled_ref = "(\$this->_foreach[$_var]['iteration']-1)"; |
|
break; |
|
|
|
case 'first': |
|
array_shift($indexes); |
|
$compiled_ref = "(\$this->_foreach[$_var]['iteration'] <= 1)"; |
|
break; |
|
|
|
case 'last': |
|
array_shift($indexes); |
|
$compiled_ref = "(\$this->_foreach[$_var]['iteration'] == \$this->_foreach[$_var]['total'])"; |
|
break; |
|
|
|
case 'show': |
|
array_shift($indexes); |
|
$compiled_ref = "(\$this->_foreach[$_var]['total'] > 0)"; |
|
break; |
|
|
|
default: |
|
unset($_max_index); |
|
$compiled_ref = "\$this->_foreach[$_var]"; |
|
} |
|
break; |
|
|
|
case 'section': |
|
array_shift($indexes); |
|
$_var = $this->_parse_var_props(substr($indexes[0], 1)); |
|
$compiled_ref = "\$this->_sections[$_var]"; |
|
break; |
|
|
|
case 'get': |
|
if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
|
$this->_syntax_error("(secure mode) super global access not permitted", |
|
E_USER_WARNING, __FILE__, __LINE__); |
|
return; |
|
} |
|
$compiled_ref = "\$_GET"; |
|
break; |
|
|
|
case 'post': |
|
if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
|
$this->_syntax_error("(secure mode) super global access not permitted", |
|
E_USER_WARNING, __FILE__, __LINE__); |
|
return; |
|
} |
|
$compiled_ref = "\$_POST"; |
|
break; |
|
|
|
case 'cookies': |
|
if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
|
$this->_syntax_error("(secure mode) super global access not permitted", |
|
E_USER_WARNING, __FILE__, __LINE__); |
|
return; |
|
} |
|
$compiled_ref = "\$_COOKIE"; |
|
break; |
|
|
|
case 'env': |
|
if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
|
$this->_syntax_error("(secure mode) super global access not permitted", |
|
E_USER_WARNING, __FILE__, __LINE__); |
|
return; |
|
} |
|
$compiled_ref = "\$_ENV"; |
|
break; |
|
|
|
case 'server': |
|
if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
|
$this->_syntax_error("(secure mode) super global access not permitted", |
|
E_USER_WARNING, __FILE__, __LINE__); |
|
return; |
|
} |
|
$compiled_ref = "\$_SERVER"; |
|
break; |
|
|
|
case 'session': |
|
if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
|
$this->_syntax_error("(secure mode) super global access not permitted", |
|
E_USER_WARNING, __FILE__, __LINE__); |
|
return; |
|
} |
|
$compiled_ref = "\$_SESSION"; |
|
break; |
|
|
|
/* |
|
* These cases are handled either at run-time or elsewhere in the |
|
* compiler. |
|
*/ |
|
case 'request': |
|
if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
|
$this->_syntax_error("(secure mode) super global access not permitted", |
|
E_USER_WARNING, __FILE__, __LINE__); |
|
return; |
|
} |
|
if ($this->request_use_auto_globals) { |
|
$compiled_ref = "\$_REQUEST"; |
|
break; |
|
} else { |
|
$this->_init_smarty_vars = true; |
|
} |
|
return null; |
|
|
|
case 'capture': |
|
return null; |
|
|
|
case 'template': |
|
$compiled_ref = "'" . addslashes($this->_current_file) . "'"; |
|
$_max_index = 1; |
|
break; |
|
|
|
case 'version': |
|
$compiled_ref = "'$this->_version'"; |
|
$_max_index = 1; |
|
break; |
|
|
|
case 'const': |
|
if ($this->security && !$this->security_settings['ALLOW_CONSTANTS']) { |
|
$this->_syntax_error("(secure mode) constants not permitted", |
|
E_USER_WARNING, __FILE__, __LINE__); |
|
return; |
|
} |
|
array_shift($indexes); |
|
if (preg_match('!^\.\w+$!', $indexes[0])) { |
|
$compiled_ref = '@' . substr($indexes[0], 1); |
|
} else { |
|
$_val = $this->_parse_var_props(substr($indexes[0], 1)); |
|
$compiled_ref = '@constant(' . $_val . ')'; |
|
} |
|
$_max_index = 1; |
|
break; |
|
|
|
case 'config': |
|
$compiled_ref = "\$this->_config[0]['vars']"; |
|
$_max_index = 3; |
|
break; |
|
|
|
case 'ldelim': |
|
$compiled_ref = "'$this->left_delimiter'"; |
|
break; |
|
|
|
case 'rdelim': |
|
$compiled_ref = "'$this->right_delimiter'"; |
|
break; |
|
|
|
default: |
|
$this->_syntax_error('$smarty.' . $_ref . ' is an unknown reference', E_USER_ERROR, __FILE__, __LINE__); |
|
break; |
|
} |
|
|
|
if (isset($_max_index) && count($indexes) > $_max_index) { |
|
$this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
|
|
array_shift($indexes); |
|
return $compiled_ref; |
|
} |
|
|
|
/** |
|
* compiles call to plugin of type $type with name $name |
|
* returns a string containing the function-name or method call |
|
* without the paramter-list that would have follow to make the |
|
* call valid php-syntax |
|
* |
|
* @param string $type |
|
* @param string $name |
|
* @return string |
|
*/ |
|
function _compile_plugin_call($type, $name) { |
|
if (isset($this->_plugins[$type][$name])) { |
|
/* plugin loaded */ |
|
if (is_array($this->_plugins[$type][$name][0])) { |
|
return ((is_object($this->_plugins[$type][$name][0][0])) ? |
|
"\$this->_plugins['$type']['$name'][0][0]->" /* method callback */ |
|
: (string)($this->_plugins[$type][$name][0][0]).'::' /* class callback */ |
|
). $this->_plugins[$type][$name][0][1]; |
|
|
|
} else { |
|
/* function callback */ |
|
return $this->_plugins[$type][$name][0]; |
|
|
|
} |
|
} else { |
|
/* plugin not loaded -> auto-loadable-plugin */ |
|
return 'smarty_'.$type.'_'.$name; |
|
|
|
} |
|
} |
|
|
|
/** |
|
* load pre- and post-filters |
|
*/ |
|
function _load_filters() |
|
{ |
|
if (count($this->_plugins['prefilter']) > 0) { |
|
foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { |
|
if ($prefilter === false) { |
|
unset($this->_plugins['prefilter'][$filter_name]); |
|
$_params = array('plugins' => array(array('prefilter', $filter_name, null, null, false))); |
|
require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); |
|
smarty_core_load_plugins($_params, $this); |
|
} |
|
} |
|
} |
|
if (count($this->_plugins['postfilter']) > 0) { |
|
foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { |
|
if ($postfilter === false) { |
|
unset($this->_plugins['postfilter'][$filter_name]); |
|
$_params = array('plugins' => array(array('postfilter', $filter_name, null, null, false))); |
|
require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); |
|
smarty_core_load_plugins($_params, $this); |
|
} |
|
} |
|
} |
|
} |
|
|
|
|
|
/** |
|
* Quote subpattern references |
|
* |
|
* @param string $string |
|
* @return string |
|
*/ |
|
function _quote_replace($string) |
|
{ |
|
return strtr($string, array('\\' => '\\\\', '$' => '\\$')); |
|
} |
|
|
|
/** |
|
* display Smarty syntax error |
|
* |
|
* @param string $error_msg |
|
* @param integer $error_type |
|
* @param string $file |
|
* @param integer $line |
|
*/ |
|
function _syntax_error($error_msg, $error_type = E_USER_ERROR, $file=null, $line=null) |
|
{ |
|
$this->_trigger_fatal_error("syntax error: $error_msg", $this->_current_file, $this->_current_line_no, $file, $line, $error_type); |
|
} |
|
|
|
|
|
/** |
|
* check if the compilation changes from cacheable to |
|
* non-cacheable state with the beginning of the current |
|
* plugin. return php-code to reflect the transition. |
|
* @return string |
|
*/ |
|
function _push_cacheable_state($type, $name) { |
|
$_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; |
|
if ($_cacheable |
|
|| 0<$this->_cacheable_state++) return ''; |
|
if (!isset($this->_cache_serial)) $this->_cache_serial = md5(uniqid('Smarty')); |
|
$_ret = 'if ($this->caching && !$this->_cache_including): echo \'{nocache:' |
|
. $this->_cache_serial . '#' . $this->_nocache_count |
|
. '}\'; endif;'; |
|
return $_ret; |
|
} |
|
|
|
|
|
/** |
|
* check if the compilation changes from non-cacheable to |
|
* cacheable state with the end of the current plugin return |
|
* php-code to reflect the transition. |
|
* @return string |
|
*/ |
|
function _pop_cacheable_state($type, $name) { |
|
$_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; |
|
if ($_cacheable |
|
|| --$this->_cacheable_state>0) return ''; |
|
return 'if ($this->caching && !$this->_cache_including): echo \'{/nocache:' |
|
. $this->_cache_serial . '#' . ($this->_nocache_count++) |
|
. '}\'; endif;'; |
|
} |
|
|
|
|
|
/** |
|
* push opening tag-name, file-name and line-number on the tag-stack |
|
* @param string the opening tag's name |
|
*/ |
|
function _push_tag($open_tag) |
|
{ |
|
array_push($this->_tag_stack, array($open_tag, $this->_current_line_no)); |
|
} |
|
|
|
/** |
|
* pop closing tag-name |
|
* raise an error if this stack-top doesn't match with the closing tag |
|
* @param string the closing tag's name |
|
* @return string the opening tag's name |
|
*/ |
|
function _pop_tag($close_tag) |
|
{ |
|
$message = ''; |
|
if (count($this->_tag_stack)>0) { |
|
list($_open_tag, $_line_no) = array_pop($this->_tag_stack); |
|
if ($close_tag == $_open_tag) { |
|
return $_open_tag; |
|
} |
|
if ($close_tag == 'if' && ($_open_tag == 'else' || $_open_tag == 'elseif' )) { |
|
return $this->_pop_tag($close_tag); |
|
} |
|
if ($close_tag == 'section' && $_open_tag == 'sectionelse') { |
|
$this->_pop_tag($close_tag); |
|
return $_open_tag; |
|
} |
|
if ($close_tag == 'foreach' && $_open_tag == 'foreachelse') { |
|
$this->_pop_tag($close_tag); |
|
return $_open_tag; |
|
} |
|
if ($_open_tag == 'else' || $_open_tag == 'elseif') { |
|
$_open_tag = 'if'; |
|
} elseif ($_open_tag == 'sectionelse') { |
|
$_open_tag = 'section'; |
|
} elseif ($_open_tag == 'foreachelse') { |
|
$_open_tag = 'foreach'; |
|
} |
|
$message = " expected {/$_open_tag} (opened line $_line_no)."; |
|
} |
|
$this->_syntax_error("mismatched tag {/$close_tag}.$message", |
|
E_USER_ERROR, __FILE__, __LINE__); |
|
} |
|
|
|
} |
|
|
|
/** |
|
* compare to values by their string length |
|
* |
|
* @access private |
|
* @param string $a |
|
* @param string $b |
|
* @return 0|-1|1 |
|
*/ |
|
function _smarty_sort_length($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: */ |
|
|
|
?>
|
|
|