File: /var/www/ilya/data/www/kamforum.ru/ips_kernel/class_template.php
<?php
/*
+--------------------------------------------------------------------------
| Invision Power Board v2.1.5
| =============================================
| by Matthew Mecham
| (c) 2001 - 2005 Invision Power Services, Inc.
| http://www.invisionpower.com
| =============================================
| Web: http://www.invisionboard.com
| Time: Tue, 18 Oct 2005 19:30:11 GMT
| Release: 95f5a3c9ea538e4ebb097b9464fc22d2
| Licence Info: http://www.invisionboard.com/?license
+---------------------------------------------------------------------------
| > $Date: 2005-10-10 14:03:20 +0100 (Mon, 10 Oct 2005) $
| > $Revision: 22 $
| > $Author: matt $
+---------------------------------------------------------------------------
|
| > Template Engine module (KERNEL)
| > Module written by Matt Mecham
| > Date started: 5th January 2004
|
| > Module Version Number: 1.0.0
+--------------------------------------------------------------------------
| New template module to build, rebuild and generate caches of templates
| which include the new IPB HTML Logic system.
|
+--------------------------------------------------------------------------
*/
/**
* IPS Kernel Pages: Template Engine
*
* This class contains all generic functions to handle
* converting HTML logic to PHP code and vice-versa
*
* Example Usage:
* <code>
* <if="ibf.vars['threaded_per_page'] == 10">
* html here
* </if>
* <else if="ibf.vars['threaded_per_page'] >= 100 or some_var == 'this'">
* html here
* </if>
* <else if="show['this'] > 100">
* html here
* </if>
* <else>
* html here
* </else>
* </code>
*
* @package IPS_KERNEL
* @author Matt Mecham
* @copyright Invision Power Services, Inc.
* @version 2.1
*/
/**
*
*/
/**
* Template Engine
*
* Methods and functions for handling file uploads
*
* @package IPS_KERNEL
* @author Matt Mecham
* @version 2.1
*/
class class_template
{
/**
* Root path
*
* @var string File Path
*/
var $root_path = './';
/**
* Cache directory
*
* @var string Directory
*/
var $cache_dir = 'skin_cache';
/**
* Cache ID
*
* @var integer
*/
var $cache_id = '1';
/**
* Database ID
*
* @var integer
*/
var $database_id = '1';
/**
* Cache path
*
* @var string File Path
*/
var $cache_path = '';
function class_template()
{
$this->cache_path = $this->root_path . $this->cache_dir . '/cacheid_' . $this->cache_id;
}
//===================================================
// Convert HTML to PHP cache file
//===================================================
/**
* Wrapper function to convert HTML logic to PHP code
*
* @param string Function name (eg: show_active_users)
* @param string Function data (The input variables)
* @param string Function HTML (The actual HTML)
* @param string Function description (Not used in IPB)
* @return string Converted HTML code as a PHP function
*/
function convert_html_to_php($func_name, $func_data, $func_html, $func_desc="")
{
//-------------------------------
// Make sure we have ="" on each
// func data
//-------------------------------
$func_data = preg_replace( "#".'\$'."(\w+)(,|$)#i", "\$\\1=\"\"\\2", str_replace( " ", "", $func_data ) );
$top = "//===========================================================================\n".
"// <ips:{$func_name}:desc:{$func_desc}>\n".
"//===========================================================================\n";
$start = "function {$func_name}($func_data) {\n\$IPBHTML = \"\";\n//--starthtml--//\n";
$middle = $this->build_section_html_to_php($func_html);
$end = "\n//--endhtml--//\nreturn \$IPBHTML;\n}\n";
return $top.$start.$middle.$end;
}
//===================================================
// Alias: Convert PHP to HTML
//===================================================
/**
* Wrapper function to convert PHP to HTML logic
*
* @param string PHP Code
* @return string Converted PHP code as HTML code
*/
function convert_php_to_html($php)
{
return $this->_convert_php_to_html($php);
}
//===================================================
// Build Section: PHP to HTML
// - Updates HTML database with PHP cache file
//===================================================
function build_section_php_to_html($php="")
{
}
//===================================================
// Build Section: HTML to PHP
// - Makes PHP cache of raw HTML
//===================================================
/**
* Work function to convert HTML logic to PHP code
*
* @param string HTML logic
* @return string PHP code block
*/
function build_section_html_to_php($html="")
{
if ( preg_match( "#<if=[\"'].+?[\"']>#si", $html ) )
{
//----------------------------------------
// Does it have logic sections?
//----------------------------------------
$html = $this->_convert_html_to_php($html);
//----------------------------------------
// Non-logic from top?
//----------------------------------------
$html = preg_replace( "#^(.+?)(//startif)#ise", "\$this->_wrap_in_php('\\1', '\\2');", $html );
//----------------------------------------
// Non-logic from between?
//----------------------------------------
$html = preg_replace( "#(}//endif|}//endelse)(.+?)(//startif|//startelse|else if)#ise", "\$this->_wrap_in_php('\\2', '\\3', '\\1');", $html );
//$html = str_replace( "}//endif//startif", "}//endif\n//startif", $html );
//----------------------------------------
// Non-logic from after? ENDELSE
//----------------------------------------
if ( preg_match( "#^(.*)(}//endelse)(.+?)$#is", $html, $match ) )
{
if ( $match[1] and $match[2] and ( ! strstr( $match[3], "<<<EOF\n" ) ) )
{
$html = preg_replace( "#^(.*}//endelse)(.+?)$#ise", "\$this->_wrap_in_php('\\2', '', '\\1');", $html );
}
}
//----------------------------------------
// Non-logic from after? ENDIF
//----------------------------------------
if ( preg_match( "#^(.*)(}//endif)(.+?)$#is", $html, $match ) )
{
if ( $match[1] and $match[2] and ( ! strstr( $match[3], "<<<EOF\n" ) ) )
{
$html = preg_replace( "#^(.*}//endif)(.+?)$#ise", "\$this->_wrap_in_php('\\2', '', '\\1');", $html );
}
}
//----------------------------------------
// Clean up
//----------------------------------------
$html = preg_replace( "#//startelse\s+?//startelse#is", "//startelse", $html );
}
else
{
$html = $this->_wrap_in_php( $html );
}
//----------------------------------------
// Unconvert special tags
//----------------------------------------
$html = $this->unconvert_tags($html);
return $html;
}
//===================================================
// Convert special tags into HTML safe versions
//===================================================
/**
* Convert PHP tags to HTML logic safe tags
*
* @param string HTML/PHP data
* @return string Converted Data
*/
function convert_tags($t="")
{
$t = preg_replace( "/{?\\\$ibforums->base_url}?/" , "{ipb.script_url}" , $t );
$t = preg_replace( "/{?\\\$ibforums->session_id}?/" , "{ipb.session_id}" , $t );
$t = preg_replace( "#\\\$ibforums->(member|vars|skin|lang|input)#i" , "ipb.\\1" , $t );
# IPB 2.1+ Kernel
$t = preg_replace( "/{?\\\$this->ipsclass->base_url}?/" , "{ipb.script_url}" , $t );
$t = preg_replace( "/{?\\\$this->ipsclass->session_id}?/" , "{ipb.session_id}" , $t );
$t = preg_replace( "#\\\$this->ipsclass->(member|vars|skin|lang|input)#i" , "ipb.\\1", $t );
//----------------------------------------
// Make some tags safe..
//----------------------------------------
$t = preg_replace( "/\{ipb\.vars\[(['\"])?(sql_driver|sql_host|sql_database|sql_pass|sql_user|sql_port|sql_tbl_prefix|smtp_host|smtp_port|smtp_user|smtp_pass|html_dir|base_dir|upload_dir)(['\"])?\]\}/", "" , $t );
return $t;
}
//===================================================
// Uncovert them back again
//===================================================
/**
* Convert HTML tags to PHP tags
*
* @param string HTML/PHP data
* @return string Converted Data
*/
function unconvert_tags($t="")
{
//----------------------------------------
// Make some tags safe..
//----------------------------------------
$t = preg_replace( "/\{ipb\.vars\[(['\"])?(sql_driver|sql_host|sql_database|sql_pass|sql_user|sql_port|sql_tbl_prefix|smtp_host|smtp_port|smtp_user|smtp_pass|html_dir|base_dir|upload_dir)(['\"])?\]\}/", "" , $t );
# IPB 2.1+ Kernel
$t = preg_replace( "/{ipb\.script_url}/i" , '{$this->ipsclass->base_url}' , $t);
$t = preg_replace( "/{ipb\.session_id}/i" , '{$this->ipsclass->session_id}', $t);
$t = preg_replace( "#ipb\.(member|vars|skin|lang|input)#i", '$this->ipsclass->\\1' , $t );
return $t;
}
//===================================================
// Wrap HTML into PHP
//===================================================
/**
* Wrap PHP code in HEREDOC tags
*
* @param string Main HTML code
* @param string After Code
* @param string Before Code
* @return string Converted Data
*/
function _wrap_in_php( $html, $after="", $before="" )
{
$html = $this->_trim_newlines($this->_trim_slashes($html));
$before = $this->_trim_slashes($before);
$after = $this->_trim_slashes($after);
if ( ! strstr( $before, "\n" ) )
{
$before .= "\n";
}
if ( ! trim($html) )
{
return $before.$html.$after;
}
return $before."\n\$IPBHTML .= <<<EOF\n$html\nEOF;\n".$after;
}
//===================================================
// Convert: HTML Logic to PHP logic
//===================================================
/**
* Convert HTML tags to PHP tags
*
* @param string HTML/PHP data
* @return string Converted Data
*/
function _convert_html_to_php($html)
{
$html = $this->_trim_slashes($html);
$html = preg_replace( "#(?:\s+?)?<if=[\"'](.+?)[\"']>(.+?)</if>#ise" , "\$this->_statement_if('\\1', '\\2')" , $html );
$html = preg_replace( "#(?:\s+?)?<else if=[\"'](.+?)[\"']>(.+?)</if>#ise", "\$this->_statement_elseif('\\1', '\\2')", $html );
$html = preg_replace( "#(?:\s+?)?<else>(.+?)</else>#ise" , "\$this->_statement_else('\\1')" , $html );
return $html;
}
//===================================================
// Convert: PHP logic to HTML logic
//===================================================
/**
* Convert PHP tags to HTML tags
*
* @param string PHP data
* @return string Converted Data
*/
function _convert_php_to_html($php)
{
$php = preg_replace( "#else if\s+?\((.+?)\)\s+?{(.+?)}//endif(\n)?#ise" , "\$this->_reverse_if('\\1', '\\2', 'else if')", $php );
$php = preg_replace( "#//startif\nif\s+?\((.+?)\)\s+?{(.+?)}//endif(\n)?#ise", "\$this->_reverse_if('\\1', '\\2', 'if')" , $php );
$php = preg_replace( "#else\s+?{(.+?)}//endelse(\n)?#ise" , "\$this->_reverse_else( '\\1' )" , $php );
//----------------------------------------
// Parse raw sections
//----------------------------------------
$php = $this->_reverse_ipbhtml($php);
//----------------------------------------
// Convert ipb-htmllogic tags
//----------------------------------------
//$php = preg_replace( "#//start-htmllogic#i" , "<ipb-htmllogic>", $php );
//$php = preg_replace( "#//end-htmllogic#i", "</ipb-htmllogic>" , $php );
//----------------------------------------
// Remove start ifs
//----------------------------------------
$php = str_replace( "//startif\n" , "\n", $php );
$php = str_replace( "//startelse\n", "\n", $php );
//----------------------------------------
// Remove extra spaces
//----------------------------------------
$php = preg_replace( "#(</if>|</else>)\s+?(<if|<else)#is", "\\1\n\\2", $php );
//----------------------------------------
// Make safe special $Ibforums vars
//----------------------------------------
$php = $this->convert_tags($php);
return $php;
}
//===================================================
// Reverse: PHP IF to HTML IF
//===================================================
/**
* Reverse the IF tag
*
* @param string PHP Variables / Operators
* @param string PHP data
* @param string Tag start
* @return string Converted Data
*/
function _reverse_if( $code, $php, $start='if' )
{
$code = $this->_trim_slashes(trim($code));
$code = preg_replace( "/(^|and|or)(\s+)(.+?)(\s|$)/ise", "\$this->_reverse_prep_left('\\3', '\\1', '\\2', '\\4')", ' '.$code );
$php = $this->_reverse_ipbhtml($php);
return "<".$start."=\"".trim($code)."\">\n".$php."\n</if>\n";
}
//===================================================
// Reverse: PHP else to HTML else
//===================================================
/**
* Reverse the ELSE tag
*
* @param string PHP Data
* @return string Converted Data
*/
function _reverse_else( $php )
{
$php = $this->_trim_slashes(trim($php));
$php = $this->_reverse_ipbhtml($php);
return "<else>\n".$php."\n</else>\n";
}
//===================================================
// Reverse: $IPBHTML to normal $HTML
//===================================================
/**
* Reverse HEREDOC tags
*
* @param string Raw PHP Data
* @return string Converted Data
*/
function _reverse_ipbhtml( $code )
{
$code = $this->_trim_slashes($code);
$code = preg_replace("/".'\$'."IPBHTML\s+?\.?=\s+?<<<EOF(.+?)EOF;\s?/si", "\\1", $code );
$code = trim($code);
$code = $this->_trim_newlines($code);
return $code;
}
//===================================================
// Reverse PHP IF code to HTML code
//===================================================
/**
* Prepare: Reverse PHP IF code to HTML safe code
*
* @param string
* @param string
* @param string
* @param string
* @return string Converted Data
*/
function _reverse_prep_left($left, $andor="", $fs="", $ls="")
{
$left = trim($this->_trim_slashes($left));
if ( preg_match( "/".'\$'."this->ipsclass->/", $left ) )
{
$left = preg_replace( "/".'\$'."this->ipsclass->(.+?)$/", 'ipb.'."\\1", $left );
}
else
{
$left = str_replace( '$', '', $left );
}
return $andor.$fs.$left.$ls;
}
//===================================================
// Statement: Return PHP 'IF' statement
//===================================================
/**
* Prepare: If code
*
* @param string If code
* @param string HTML
* @return string Converted Data
*/
function _statement_if( $code, $html )
{
$html = $this->_func_prep_html($html);
$code = $this->_func_prep_if($code);
return "\n//startif\nif ( $code )\n{\n\$IPBHTML .= <<<EOF\n$html\nEOF;\n}//endif\n";
}
//===================================================
// Statement: Return PHP 'ELSE IF' statement
//===================================================
/**
* Prepare: Else If code
*
* @param string Else If code
* @param string HTML
* @return string Converted Data
*/
function _statement_elseif( $code, $html )
{
$html = $this->_func_prep_html($html);
$code = $this->_func_prep_if($code);
return "\nelse if ( $code )\n{\n\$IPBHTML .= <<<EOF\n$html\nEOF;\n}//endif\n";
}
//===================================================
// Statement: Return PHP 'ELSE' statement
//===================================================
/**
* Prepare: Else code
*
* @param string HTML
* @return string Converted Data
*/
function _statement_else( $html )
{
$html = $this->_func_prep_html($html);
return "\n//startelse\nelse\n{\n\$IPBHTML .= <<<EOF\n$html\nEOF;\n}//endelse\n";
}
//===================================================
// Strip leading newlines, etc
//===================================================
function _func_prep_html($html)
{
$html = trim($this->_trim_slashes($html));
//$html = preg_replace( '/"/', '\\"', $html );
return $html;
}
//===================================================
// Sort out left bit of comparison
//===================================================
function _func_prep_left($left, $andor="", $fs="", $ls="")
{
$left = trim($this->_trim_slashes($left));
if ( preg_match( "/^ipb\./", $left ) )
{
$left = preg_replace( "/^ipb\.(.+?)$/", '$this->ipsclass->'."\\1", $left );
}
else
{
$left = '$'.$left;
}
return $andor.$fs.$left.$ls;
}
//===================================================
// Statement: Prep AND OR, etc
//===================================================
function _func_prep_if( $code )
{
$code = $this->_trim_slashes($code);
$code = preg_replace( "/(^|and|or)(\s+)(.+?)(\s|$)/ise", "\$this->_func_prep_left('\\3', '\\1', '\\2', '\\4')", ' '.$code );
return trim($code);
}
//===================================================
// Remove leading and trailing newlines
//===================================================
function _trim_newlines($code)
{
$code = preg_replace("/^\n{1,}/s", "", $code );
$code = preg_replace("/\n{1,}$/s", "", $code );
return $code;
}
//===================================================
// Remove preg_replace/e slashes
//===================================================
function _trim_slashes($code)
{
$code = str_replace( '\"' , '"', $code );
$code = str_replace( "\\'", "'", $code );
return $code;
}
}
?>