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2365 lines
92 KiB
PHP
2365 lines
92 KiB
PHP
<?php
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/**
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* Project: Smarty: the PHP compiling template engine
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* File: Smarty_Compiler.class.php
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*
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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: Smarty_Compiler.class.php 4779 2013-09-30 19:14:32Z Uwe.Tews@googlemail.com $ */
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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 $_additional_newline = "\n";
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/**#@-*/
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/**
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* The class constructor.
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*/
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function Smarty_Compiler()
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{
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// matches double quoted strings:
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// "foobar"
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// "foo\"bar"
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$this->_db_qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"';
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// matches single quoted strings:
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// 'foobar'
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// 'foo\'bar'
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$this->_si_qstr_regexp = '\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'';
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// matches single or double quoted strings
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$this->_qstr_regexp = '(?:' . $this->_db_qstr_regexp . '|' . $this->_si_qstr_regexp . ')';
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// matches bracket portion of vars
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// [0]
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// [foo]
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// [$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 = $match;
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reset($this->_folded_blocks);
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/* replace special blocks by "{php}" */
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$source_content = preg_replace_callback($search, create_function ('$matches', "return '"
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. $this->_quote_replace($this->left_delimiter) . 'php'
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. "' . str_repeat(\"\n\", substr_count('\$matches[1]', \"\n\")) .'"
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. $this->_quote_replace($this->right_delimiter)
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. "';")
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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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$tag_guard = '%%%SMARTYOTG' . md5(uniqid(rand(), true)) . '%%%';
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/* Interleave the compiled contents and text blocks to get the final result. */
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for ($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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// 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", $compiled_content);
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// recover legit tags
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$compiled_content = str_replace($tag_guard, '<?', $compiled_content);
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// remove \n from the end of the file, if any
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if (strlen($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."'; ?>" . $compiled_content;
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}
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// run compiled template through postfilter functions
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if (count($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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// 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";
|
|
$template_header .= " compiled from ".strtr(urlencode($resource_name), array('%2F'=>'/', '%3A'=>':'))." */ ?>\n";
|
|
|
|
/* Emit code to load needed plugins. */
|
|
$this->_plugins_code = '';
|
|
if (count($this->_plugin_info)) {
|
|
$_plugins_params = "array('plugins' => array(";
|
|
foreach ($this->_plugin_info as $plugin_type => $plugins) {
|
|
foreach ($plugins as $plugin_name => $plugin_info) {
|
|
$_plugins_params .= "array('$plugin_type', '$plugin_name', '" . strtr($plugin_info[0], array("'" => "\\'", "\\" => "\\\\")) . "', $plugin_info[1], ";
|
|
$_plugins_params .= $plugin_info[2] ? 'true),' : 'false),';
|
|
}
|
|
}
|
|
$_plugins_params .= '))';
|
|
$plugins_code = "<?php require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');\nsmarty_core_load_plugins($_plugins_params, \$this); ?>\n";
|
|
$template_header .= $plugins_code;
|
|
$this->_plugin_info = array();
|
|
$this->_plugins_code = $plugins_code;
|
|
}
|
|
|
|
if ($this->_init_smarty_vars) {
|
|
$template_header .= "<?php require_once(SMARTY_CORE_DIR . 'core.assign_smarty_interface.php');\nsmarty_core_assign_smarty_interface(null, \$this); ?>\n";
|
|
$this->_init_smarty_vars = false;
|
|
}
|
|
|
|
$compiled_content = $template_header . $compiled_content;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Compile a template tag
|
|
*
|
|
* @param string $template_tag
|
|
* @return string
|
|
*/
|
|
function _compile_tag($template_tag)
|
|
{
|
|
/* Matched comment. */
|
|
if (substr($template_tag, 0, 1) == '*' && substr($template_tag, -1) == '*')
|
|
return '';
|
|
|
|
/* Split tag into two three parts: command, command modifiers and the arguments. */
|
|
if(! preg_match('~^(?:(' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp
|
|
. '|\/?' . $this->_reg_obj_regexp . '|\/?' . $this->_func_regexp . ')(' . $this->_mod_regexp . '*))
|
|
(?:\s+(.*))?$
|
|
~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} */
|
|
list(, $block) = each($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;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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: */
|
|
|
|
?>
|