2008-11-26 22:50:40 +00:00
< ? php
/**
* Project : Smarty : the PHP compiling template engine
* File : Smarty_Compiler . class . php
*
* This library is free software ; you can redistribute it and / or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation ; either
* version 2.1 of the License , or ( at your option ) any later version .
*
* This library is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
* Lesser General Public License for more details .
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library ; if not , write to the Free Software
* Foundation , Inc . , 59 Temple Place , Suite 330 , Boston , MA 02111 - 1307 USA
*
2009-11-13 16:18:37 +00:00
* @ link http :// smarty . php . net /
2008-11-26 22:50:40 +00:00
* @ author Monte Ohrt < monte at ohrt dot com >
* @ author Andrei Zmievski < andrei @ php . net >
2009-11-13 16:18:37 +00:00
* @ version 2.6 . 26
2008-11-26 22:50:40 +00:00
* @ copyright 2001 - 2005 New Digital Group , Inc .
* @ package Smarty
*/
2009-11-13 16:18:37 +00:00
/* $Id: Smarty_Compiler.class.php 3163 2009-06-17 14:39:24Z monte.ohrt $ */
2008-11-26 22:50:40 +00:00
/**
* Template compiling class
* @ package Smarty
*/
class Smarty_Compiler extends Smarty {
// internal vars
/** #@+
* @ access private
*/
var $_folded_blocks = array (); // keeps folded template blocks
var $_current_file = null ; // the current template being compiled
var $_current_line_no = 1 ; // line number for error messages
var $_capture_stack = array (); // keeps track of nested capture buffers
var $_plugin_info = array (); // keeps track of plugins to load
var $_init_smarty_vars = false ;
var $_permitted_tokens = array ( 'true' , 'false' , 'yes' , 'no' , 'on' , 'off' , 'null' );
var $_db_qstr_regexp = null ; // regexps are setup in the constructor
var $_si_qstr_regexp = null ;
var $_qstr_regexp = null ;
var $_func_regexp = null ;
var $_reg_obj_regexp = null ;
var $_var_bracket_regexp = null ;
var $_num_const_regexp = null ;
var $_dvar_guts_regexp = null ;
var $_dvar_regexp = null ;
var $_cvar_regexp = null ;
var $_svar_regexp = null ;
var $_avar_regexp = null ;
var $_mod_regexp = null ;
var $_var_regexp = null ;
var $_parenth_param_regexp = null ;
var $_func_call_regexp = null ;
var $_obj_ext_regexp = null ;
var $_obj_start_regexp = null ;
var $_obj_params_regexp = null ;
var $_obj_call_regexp = null ;
var $_cacheable_state = 0 ;
var $_cache_attrs_count = 0 ;
var $_nocache_count = 0 ;
var $_cache_serial = null ;
var $_cache_include = null ;
var $_strip_depth = 0 ;
var $_additional_newline = " \n " ;
/**#@-*/
/**
* The class constructor .
*/
function Smarty_Compiler ()
{
// matches double quoted strings:
// "foobar"
// "foo\"bar"
$this -> _db_qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"' ;
// matches single quoted strings:
// 'foobar'
// 'foo\'bar'
$this -> _si_qstr_regexp = '\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\'' ;
// matches single or double quoted strings
$this -> _qstr_regexp = '(?:' . $this -> _db_qstr_regexp . '|' . $this -> _si_qstr_regexp . ')' ;
// matches bracket portion of vars
// [0]
// [foo]
// [$bar]
$this -> _var_bracket_regexp = '\[\$?[\w\.]+\]' ;
// matches numerical constants
// 30
// -12
// 13.22
$this -> _num_const_regexp = '(?:\-?\d+(?:\.\d+)?)' ;
// matches $ vars (not objects):
// $foo
// $foo.bar
// $foo.bar.foobar
// $foo[0]
// $foo[$bar]
// $foo[5][blah]
// $foo[5].bar[$foobar][4]
$this -> _dvar_math_regexp = '(?:[\+\*\/\%]|(?:-(?!>)))' ;
$this -> _dvar_math_var_regexp = '[\$\w\.\+\-\*\/\%\d\>\[\]]' ;
$this -> _dvar_guts_regexp = '\w+(?:' . $this -> _var_bracket_regexp
. ')*(?:\.\$?\w+(?:' . $this -> _var_bracket_regexp . ')*)*(?:' . $this -> _dvar_math_regexp . '(?:' . $this -> _num_const_regexp . '|' . $this -> _dvar_math_var_regexp . ')*)?' ;
$this -> _dvar_regexp = '\$' . $this -> _dvar_guts_regexp ;
// matches config vars:
// #foo#
// #foobar123_foo#
$this -> _cvar_regexp = '\#\w+\#' ;
// matches section vars:
// %foo.bar%
$this -> _svar_regexp = '\%\w+\.\w+\%' ;
// matches all valid variables (no quotes, no modifiers)
$this -> _avar_regexp = '(?:' . $this -> _dvar_regexp . '|'
. $this -> _cvar_regexp . '|' . $this -> _svar_regexp . ')' ;
// matches valid variable syntax:
// $foo
// $foo
// #foo#
// #foo#
// "text"
// "text"
$this -> _var_regexp = '(?:' . $this -> _avar_regexp . '|' . $this -> _qstr_regexp . ')' ;
// matches valid object call (one level of object nesting allowed in parameters):
// $foo->bar
// $foo->bar()
// $foo->bar("text")
// $foo->bar($foo, $bar, "text")
// $foo->bar($foo, "foo")
// $foo->bar->foo()
// $foo->bar->foo->bar()
// $foo->bar($foo->bar)
// $foo->bar($foo->bar())
// $foo->bar($foo->bar($blah,$foo,44,"foo",$foo[0].bar))
$this -> _obj_ext_regexp = '\->(?:\$?' . $this -> _dvar_guts_regexp . ')' ;
$this -> _obj_restricted_param_regexp = '(?:'
2009-11-13 16:18:37 +00:00
. '(?:' . $this -> _var_regexp . '|' . $this -> _num_const_regexp . ')(?:' . $this -> _obj_ext_regexp . '(?:\((?:(?:' . $this -> _var_regexp . '|' . $this -> _num_const_regexp . ')'
. '(?:\s*,\s*(?:' . $this -> _var_regexp . '|' . $this -> _num_const_regexp . '))*)?\))?)*)' ;
$this -> _obj_single_param_regexp = '(?:\w+|' . $this -> _obj_restricted_param_regexp . '(?:\s*,\s*(?:(?:\w+|'
2008-11-26 22:50:40 +00:00
. $this -> _var_regexp . $this -> _obj_restricted_param_regexp . ')))*)' ;
2009-11-13 16:18:37 +00:00
$this -> _obj_params_regexp = '\((?:' . $this -> _obj_single_param_regexp
2008-11-26 22:50:40 +00:00
. '(?:\s*,\s*' . $this -> _obj_single_param_regexp . ')*)?\)' ;
2009-11-13 16:18:37 +00:00
$this -> _obj_start_regexp = '(?:' . $this -> _dvar_regexp . '(?:' . $this -> _obj_ext_regexp . ')+)' ;
$this -> _obj_call_regexp = '(?:' . $this -> _obj_start_regexp . '(?:' . $this -> _obj_params_regexp . ')?(?:' . $this -> _dvar_math_regexp . '(?:' . $this -> _num_const_regexp . '|' . $this -> _dvar_math_var_regexp . ')*)?)' ;
2008-11-26 22:50:40 +00:00
// matches valid modifier syntax:
// |foo
// |@foo
// |foo:"bar"
// |foo:$bar
// |foo:"bar":$foobar
// |foo|bar
// |foo:$foo->bar
$this -> _mod_regexp = '(?:\|@?\w+(?::(?:\w+|' . $this -> _num_const_regexp . '|'
. $this -> _obj_call_regexp . '|' . $this -> _avar_regexp . '|' . $this -> _qstr_regexp . '))*)' ;
// matches valid function name:
// foo123
// _foo_bar
$this -> _func_regexp = '[a-zA-Z_]\w*' ;
// matches valid registered object:
// foo->bar
$this -> _reg_obj_regexp = '[a-zA-Z_]\w*->[a-zA-Z_]\w*' ;
// matches valid parameter values:
// true
// $foo
// $foo|bar
// #foo#
// #foo#|bar
// "text"
// "text"|bar
// $foo->bar
$this -> _param_regexp = '(?:\s*(?:' . $this -> _obj_call_regexp . '|'
. $this -> _var_regexp . '|' . $this -> _num_const_regexp . '|\w+)(?>' . $this -> _mod_regexp . '*)\s*)' ;
// matches valid parenthesised function parameters:
//
// "text"
// $foo, $bar, "text"
// $foo|bar, "foo"|bar, $foo->bar($foo)|bar
$this -> _parenth_param_regexp = '(?:\((?:\w+|'
. $this -> _param_regexp . '(?:\s*,\s*(?:(?:\w+|'
. $this -> _param_regexp . ')))*)?\))' ;
// matches valid function call:
// foo()
// foo_bar($foo)
// _foo_bar($foo,"bar")
// foo123($foo,$foo->bar(),"foo")
$this -> _func_call_regexp = '(?:' . $this -> _func_regexp . '\s*(?:'
. $this -> _parenth_param_regexp . '))' ;
}
/**
* compile a resource
*
* sets $compiled_content to the compiled source
* @ param string $resource_name
* @ param string $source_content
* @ param string $compiled_content
* @ return true
*/
function _compile_file ( $resource_name , $source_content , & $compiled_content )
{
if ( $this -> security ) {
// do not allow php syntax to be executed unless specified
if ( $this -> php_handling == SMARTY_PHP_ALLOW &&
! $this -> security_settings [ 'PHP_HANDLING' ]) {
$this -> php_handling = SMARTY_PHP_PASSTHRU ;
}
}
$this -> _load_filters ();
$this -> _current_file = $resource_name ;
$this -> _current_line_no = 1 ;
$ldq = preg_quote ( $this -> left_delimiter , '~' );
$rdq = preg_quote ( $this -> right_delimiter , '~' );
// run template source through prefilter functions
if ( count ( $this -> _plugins [ 'prefilter' ]) > 0 ) {
foreach ( $this -> _plugins [ 'prefilter' ] as $filter_name => $prefilter ) {
if ( $prefilter === false ) continue ;
if ( $prefilter [ 3 ] || is_callable ( $prefilter [ 0 ])) {
$source_content = call_user_func_array ( $prefilter [ 0 ],
array ( $source_content , & $this ));
$this -> _plugins [ 'prefilter' ][ $filter_name ][ 3 ] = true ;
} else {
$this -> _trigger_fatal_error ( " [plugin] prefilter ' $filter_name ' is not implemented " );
}
}
}
/* fetch all special blocks */
$search = " ~ { $ldq } \ *(.*?) \ * { $rdq } | { $ldq } \ s*literal \ s* { $rdq } (.*?) { $ldq } \ s*/literal \ s* { $rdq } | { $ldq } \ s*php \ s* { $rdq } (.*?) { $ldq } \ s*/php \ s* { $rdq } ~s " ;
preg_match_all ( $search , $source_content , $match , PREG_SET_ORDER );
$this -> _folded_blocks = $match ;
reset ( $this -> _folded_blocks );
/* replace special blocks by "{php}" */
$source_content = preg_replace ( $search . 'e' , " ' "
. $this -> _quote_replace ( $this -> left_delimiter ) . 'php'
. " ' . str_repeat( \" \n \" , substr_count(' \\ 0', \" \n \" )) .' "
. $this -> _quote_replace ( $this -> right_delimiter )
. " ' "
, $source_content );
/* Gather all template tags. */
preg_match_all ( " ~ { $ldq } \ s*(.*?) \ s* { $rdq } ~s " , $source_content , $_match );
$template_tags = $_match [ 1 ];
/* Split content by template tags to obtain non-template content. */
$text_blocks = preg_split ( " ~ { $ldq } .*? { $rdq } ~s " , $source_content );
/* loop through text blocks */
for ( $curr_tb = 0 , $for_max = count ( $text_blocks ); $curr_tb < $for_max ; $curr_tb ++ ) {
/* match anything resembling php tags */
2009-01-04 22:34:22 +00:00
if ( preg_match_all ( '~(<\?(?:\w+|=)?|\?>|language\s*=\s*[\"\']?\s*php\s*[\"\']?)~is' , $text_blocks [ $curr_tb ], $sp_match )) {
2008-11-26 22:50:40 +00:00
/* replace tags with placeholders to prevent recursive replacements */
$sp_match [ 1 ] = array_unique ( $sp_match [ 1 ]);
usort ( $sp_match [ 1 ], '_smarty_sort_length' );
for ( $curr_sp = 0 , $for_max2 = count ( $sp_match [ 1 ]); $curr_sp < $for_max2 ; $curr_sp ++ ) {
$text_blocks [ $curr_tb ] = str_replace ( $sp_match [ 1 ][ $curr_sp ], '%%%SMARTYSP' . $curr_sp . '%%%' , $text_blocks [ $curr_tb ]);
}
/* process each one */
for ( $curr_sp = 0 , $for_max2 = count ( $sp_match [ 1 ]); $curr_sp < $for_max2 ; $curr_sp ++ ) {
if ( $this -> php_handling == SMARTY_PHP_PASSTHRU ) {
/* echo php contents */
$text_blocks [ $curr_tb ] = str_replace ( '%%%SMARTYSP' . $curr_sp . '%%%' , '<?php echo \'' . str_replace ( " ' " , " \ ' " , $sp_match [ 1 ][ $curr_sp ]) . '\'; ?>' . " \n " , $text_blocks [ $curr_tb ]);
} else if ( $this -> php_handling == SMARTY_PHP_QUOTE ) {
/* quote php tags */
$text_blocks [ $curr_tb ] = str_replace ( '%%%SMARTYSP' . $curr_sp . '%%%' , htmlspecialchars ( $sp_match [ 1 ][ $curr_sp ]), $text_blocks [ $curr_tb ]);
} else if ( $this -> php_handling == SMARTY_PHP_REMOVE ) {
/* remove php tags */
$text_blocks [ $curr_tb ] = str_replace ( '%%%SMARTYSP' . $curr_sp . '%%%' , '' , $text_blocks [ $curr_tb ]);
} else {
/* SMARTY_PHP_ALLOW, but echo non php starting tags */
$sp_match [ 1 ][ $curr_sp ] = preg_replace ( '~(<\?(?!php|=|$))~i' , '<?php echo \'\\1\'?>' . " \n " , $sp_match [ 1 ][ $curr_sp ]);
$text_blocks [ $curr_tb ] = str_replace ( '%%%SMARTYSP' . $curr_sp . '%%%' , $sp_match [ 1 ][ $curr_sp ], $text_blocks [ $curr_tb ]);
}
}
}
}
2009-01-04 22:34:22 +00:00
2008-11-26 22:50:40 +00:00
/* Compile the template tags into PHP code. */
$compiled_tags = array ();
for ( $i = 0 , $for_max = count ( $template_tags ); $i < $for_max ; $i ++ ) {
$this -> _current_line_no += substr_count ( $text_blocks [ $i ], " \n " );
$compiled_tags [] = $this -> _compile_tag ( $template_tags [ $i ]);
$this -> _current_line_no += substr_count ( $template_tags [ $i ], " \n " );
}
if ( count ( $this -> _tag_stack ) > 0 ) {
list ( $_open_tag , $_line_no ) = end ( $this -> _tag_stack );
$this -> _syntax_error ( " unclosed tag \ { $_open_tag } (opened line $_line_no ). " , E_USER_ERROR , __FILE__ , __LINE__ );
return ;
}
/* Reformat $text_blocks between 'strip' and '/strip' tags ,
removing spaces , tabs and newlines . */
$strip = false ;
for ( $i = 0 , $for_max = count ( $compiled_tags ); $i < $for_max ; $i ++ ) {
if ( $compiled_tags [ $i ] == '{strip}' ) {
$compiled_tags [ $i ] = '' ;
$strip = true ;
/* remove leading whitespaces */
$text_blocks [ $i + 1 ] = ltrim ( $text_blocks [ $i + 1 ]);
}
if ( $strip ) {
/* strip all $text_blocks before the next '/strip' */
for ( $j = $i + 1 ; $j < $for_max ; $j ++ ) {
/* remove leading and trailing whitespaces of each line */
$text_blocks [ $j ] = preg_replace ( '![\t ]*[\r\n]+[\t ]*!' , '' , $text_blocks [ $j ]);
if ( $compiled_tags [ $j ] == '{/strip}' ) {
/* remove trailing whitespaces from the last text_block */
$text_blocks [ $j ] = rtrim ( $text_blocks [ $j ]);
}
$text_blocks [ $j ] = " <?php echo ' " . strtr ( $text_blocks [ $j ], array ( " ' " => " \ ' " , " \\ " => " \\ \\ " )) . " '; ?> " ;
if ( $compiled_tags [ $j ] == '{/strip}' ) {
$compiled_tags [ $j ] = " \n " ; /* slurped by php , but necessary
if a newline is following the closing strip - tag */
$strip = false ;
$i = $j ;
break ;
}
}
}
}
$compiled_content = '' ;
2009-01-04 22:34:22 +00:00
$tag_guard = '%%%SMARTYOTG' . md5 ( uniqid ( rand (), true )) . '%%%' ;
2008-11-26 22:50:40 +00:00
/* Interleave the compiled contents and text blocks to get the final result. */
for ( $i = 0 , $for_max = count ( $compiled_tags ); $i < $for_max ; $i ++ ) {
if ( $compiled_tags [ $i ] == '' ) {
// tag result empty, remove first newline from following text block
$text_blocks [ $i + 1 ] = preg_replace ( '~^(\r\n|\r|\n)~' , '' , $text_blocks [ $i + 1 ]);
}
2009-01-04 22:34:22 +00:00
// replace legit PHP tags with placeholder
$text_blocks [ $i ] = str_replace ( '<?' , $tag_guard , $text_blocks [ $i ]);
$compiled_tags [ $i ] = str_replace ( '<?' , $tag_guard , $compiled_tags [ $i ]);
$compiled_content .= $text_blocks [ $i ] . $compiled_tags [ $i ];
2008-11-26 22:50:40 +00:00
}
2009-01-04 22:34:22 +00:00
$compiled_content .= str_replace ( '<?' , $tag_guard , $text_blocks [ $i ]);
2008-11-26 22:50:40 +00:00
2009-01-04 22:34:22 +00:00
// escape php tags created by interleaving
$compiled_content = str_replace ( '<?' , " <?php echo '<?' ?> \n " , $compiled_content );
$compiled_content = preg_replace ( " ~(?<!')language \ s*= \ s*[ \" \ ']? \ s*php \ s*[ \" \ ']?~ " , " <?php echo 'language=php' ?> \n " , $compiled_content );
// recover legit tags
$compiled_content = str_replace ( $tag_guard , '<?' , $compiled_content );
2008-11-26 22:50:40 +00:00
// remove \n from the end of the file, if any
if ( strlen ( $compiled_content ) && ( substr ( $compiled_content , - 1 ) == " \n " ) ) {
$compiled_content = substr ( $compiled_content , 0 , - 1 );
}
if ( ! empty ( $this -> _cache_serial )) {
$compiled_content = " <?php \$ this->_cache_serials[' " . $this -> _cache_include . " '] = ' " . $this -> _cache_serial . " '; ?> " . $compiled_content ;
}
// run compiled template through postfilter functions
if ( count ( $this -> _plugins [ 'postfilter' ]) > 0 ) {
foreach ( $this -> _plugins [ 'postfilter' ] as $filter_name => $postfilter ) {
if ( $postfilter === false ) continue ;
if ( $postfilter [ 3 ] || is_callable ( $postfilter [ 0 ])) {
$compiled_content = call_user_func_array ( $postfilter [ 0 ],
array ( $compiled_content , & $this ));
$this -> _plugins [ 'postfilter' ][ $filter_name ][ 3 ] = true ;
} else {
$this -> _trigger_fatal_error ( " Smarty plugin error: postfilter ' $filter_name ' is not implemented " );
}
}
}
// put header at the top of the compiled template
$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'); \n smarty_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'); \n smarty_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 )) {
2009-01-04 22:34:22 +00:00
$args = '' ;
2008-11-26 22:50:40 +00:00
}
}
$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 = '' ;
2009-01-04 22:34:22 +00:00
} 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) " ;
2008-11-26 22:50:40 +00:00
$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 )) {
2009-01-04 22:34:22 +00:00
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__ );
2008-11-26 22:50:40 +00:00
}
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'); \n echo 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'); \n smarty_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 )) {
2009-01-04 22:34:22 +00:00
return $this -> _syntax_error ( " foreach: 'item' must be a variable name (literal string) " , E_USER_ERROR , __FILE__ , __LINE__ );
2008-11-26 22:50:40 +00:00
}
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 ) {
2009-01-04 22:34:22 +00:00
$buffer = isset ( $attrs [ 'name' ]) ? $attrs [ 'name' ] : " 'default' " ;
$assign = isset ( $attrs [ 'assign' ]) ? $attrs [ 'assign' ] : null ;
$append = isset ( $attrs [ 'append' ]) ? $attrs [ 'append' ] : null ;
2008-11-26 22:50:40 +00:00
$output = " <?php ob_start(); ?> " ;
2009-01-04 22:34:22 +00:00
$this -> _capture_stack [] = array ( $buffer , $assign , $append );
2008-11-26 22:50:40 +00:00
} else {
2009-01-04 22:34:22 +00:00
list ( $buffer , $assign , $append ) = array_pop ( $this -> _capture_stack );
2008-11-26 22:50:40 +00:00
$output = " <?php \$ this->_smarty_vars['capture'][ $buffer ] = ob_get_contents(); " ;
if ( isset ( $assign )) {
$output .= " \$ this->assign( $assign , ob_get_contents()); " ;
}
2009-01-04 22:34:22 +00:00
if ( isset ( $append )) {
$output .= " \$ this->append( $append , ob_get_contents()); " ;
}
2008-11-26 22:50:40 +00:00
$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 - 9 a - 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 )) {
2009-01-04 22:34:22 +00:00
$_error_msg = $elseif ? " 'elseif' " : " 'if' " ;
2008-11-26 22:50:40 +00:00
$_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 . */
2009-01-04 22:34:22 +00:00
if ( $tokens [ $i - 1 ] == ')' ) {
2008-11-26 22:50:40 +00:00
$is_arg_start = array_pop ( $is_arg_stack );
2009-01-04 22:34:22 +00:00
if ( $is_arg_start != 0 ) {
if ( preg_match ( '~^' . $this -> _func_regexp . '$~' , $tokens [ $is_arg_start - 1 ])) {
$is_arg_start -- ;
}
}
} else
2008-11-26 22:50:40 +00:00
$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 ];
2009-01-04 22:34:22 +00:00
$_replace = array ();
2008-11-26 22:50:40 +00:00
foreach ( $_match as $_var ) {
2009-01-04 22:34:22 +00:00
$_replace [ $_var ] = '".(' . $this -> _parse_var ( str_replace ( '`' , '' , $_var )) . ')."' ;
2008-11-26 22:50:40 +00:00
}
2009-01-04 22:34:22 +00:00
$var_expr = strtr ( $var_expr , $_replace );
2008-11-26 22:50:40 +00:00
$_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 ;
}
}
}
2009-11-13 16:18:37 +00:00
return $_output ;
2008-11-26 22:50:40 +00:00
}
/**
* 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' :
2009-11-13 16:18:37 +00:00
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 " ;
2008-11-26 22:50:40 +00:00
break ;
case 'post' :
2009-11-13 16:18:37 +00:00
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 " ;
2008-11-26 22:50:40 +00:00
break ;
case 'cookies' :
2009-11-13 16:18:37 +00:00
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 " ;
2008-11-26 22:50:40 +00:00
break ;
case 'env' :
2009-11-13 16:18:37 +00:00
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 " ;
2008-11-26 22:50:40 +00:00
break ;
case 'server' :
2009-11-13 16:18:37 +00:00
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 " ;
2008-11-26 22:50:40 +00:00
break ;
case 'session' :
2009-11-13 16:18:37 +00:00
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 " ;
2008-11-26 22:50:40 +00:00
break ;
/*
* These cases are handled either at run - time or elsewhere in the
* compiler .
*/
case 'request' :
2009-11-13 16:18:37 +00:00
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 ;
}
2008-11-26 22:50:40 +00:00
if ( $this -> request_use_auto_globals ) {
2009-11-13 16:18:37 +00:00
$compiled_ref = " \$ _REQUEST " ;
2008-11-26 22:50:40 +00:00
break ;
} else {
$this -> _init_smarty_vars = true ;
}
return null ;
case 'capture' :
return null ;
case 'template' :
$compiled_ref = " ' $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' ));
2009-01-04 22:34:22 +00:00
$_ret = 'if ($this->caching && !$this->_cache_including): echo \'{nocache:'
2008-11-26 22:50:40 +00:00
. $this -> _cache_serial . '#' . $this -> _nocache_count
2009-01-04 22:34:22 +00:00
. '}\'; endif;' ;
2008-11-26 22:50:40 +00:00
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
|| -- $this -> _cacheable_state > 0 ) return '' ;
2009-01-04 22:34:22 +00:00
return 'if ($this->caching && !$this->_cache_including): echo \'{/nocache:'
2008-11-26 22:50:40 +00:00
. $this -> _cache_serial . '#' . ( $this -> _nocache_count ++ )
2009-01-04 22:34:22 +00:00
. '}\'; endif;' ;
2008-11-26 22:50:40 +00:00
}
/**
* 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: */
?>
