2014-05-15 20:49:16 +00:00
< ? php
/*
2014-09-15 20:24:06 +00:00
htmLawed 1.1 . 17 , 11 March 2014
OOP code , 11 March 2014
2014-05-15 20:49:16 +00:00
Copyright Santosh Patnaik
Dual LGPL v3 and GPL v2 + license
A PHP Labware internal utility ; www . bioinformatics . org / phplabware / internal_utilities / htmLawed
See htmLawed_README . txt / htm
*/
class htmLawed {
// begin class
public static function hl ( $t , $C = 1 , $S = array ()){
$C = is_array ( $C ) ? $C : array ();
if ( ! empty ( $C [ 'valid_xhtml' ])){
$C [ 'elements' ] = empty ( $C [ 'elements' ]) ? '*-center-dir-font-isindex-menu-s-strike-u' : $C [ 'elements' ];
$C [ 'make_tag_strict' ] = isset ( $C [ 'make_tag_strict' ]) ? $C [ 'make_tag_strict' ] : 2 ;
$C [ 'xml:lang' ] = isset ( $C [ 'xml:lang' ]) ? $C [ 'xml:lang' ] : 2 ;
}
// config eles
$e = array ( 'a' => 1 , 'abbr' => 1 , 'acronym' => 1 , 'address' => 1 , 'applet' => 1 , 'area' => 1 , 'b' => 1 , 'bdo' => 1 , 'big' => 1 , 'blockquote' => 1 , 'br' => 1 , 'button' => 1 , 'caption' => 1 , 'center' => 1 , 'cite' => 1 , 'code' => 1 , 'col' => 1 , 'colgroup' => 1 , 'dd' => 1 , 'del' => 1 , 'dfn' => 1 , 'dir' => 1 , 'div' => 1 , 'dl' => 1 , 'dt' => 1 , 'em' => 1 , 'embed' => 1 , 'fieldset' => 1 , 'font' => 1 , 'form' => 1 , 'h1' => 1 , 'h2' => 1 , 'h3' => 1 , 'h4' => 1 , 'h5' => 1 , 'h6' => 1 , 'hr' => 1 , 'i' => 1 , 'iframe' => 1 , 'img' => 1 , 'input' => 1 , 'ins' => 1 , 'isindex' => 1 , 'kbd' => 1 , 'label' => 1 , 'legend' => 1 , 'li' => 1 , 'map' => 1 , 'menu' => 1 , 'noscript' => 1 , 'object' => 1 , 'ol' => 1 , 'optgroup' => 1 , 'option' => 1 , 'p' => 1 , 'param' => 1 , 'pre' => 1 , 'q' => 1 , 'rb' => 1 , 'rbc' => 1 , 'rp' => 1 , 'rt' => 1 , 'rtc' => 1 , 'ruby' => 1 , 's' => 1 , 'samp' => 1 , 'script' => 1 , 'select' => 1 , 'small' => 1 , 'span' => 1 , 'strike' => 1 , 'strong' => 1 , 'sub' => 1 , 'sup' => 1 , 'table' => 1 , 'tbody' => 1 , 'td' => 1 , 'textarea' => 1 , 'tfoot' => 1 , 'th' => 1 , 'thead' => 1 , 'tr' => 1 , 'tt' => 1 , 'u' => 1 , 'ul' => 1 , 'var' => 1 ); // 86/deprecated+embed+ruby
if ( ! empty ( $C [ 'safe' ])){
unset ( $e [ 'applet' ], $e [ 'embed' ], $e [ 'iframe' ], $e [ 'object' ], $e [ 'script' ]);
}
$x = ! empty ( $C [ 'elements' ]) ? str_replace ( array ( " \n " , " \r " , " \t " , ' ' ), '' , $C [ 'elements' ]) : '*' ;
if ( $x == '-*' ){ $e = array ();}
elseif ( strpos ( $x , '*' ) === false ){ $e = array_flip ( explode ( ',' , $x ));}
else {
if ( isset ( $x [ 1 ])){
preg_match_all ( '`(?:^|-|\+)[^\-+]+?(?=-|\+|$)`' , $x , $m , PREG_SET_ORDER );
for ( $i = count ( $m ); -- $i >= 0 ;){ $m [ $i ] = $m [ $i ][ 0 ];}
foreach ( $m as $v ){
if ( $v [ 0 ] == '+' ){ $e [ substr ( $v , 1 )] = 1 ;}
if ( $v [ 0 ] == '-' && isset ( $e [( $v = substr ( $v , 1 ))]) && ! in_array ( '+' . $v , $m )){ unset ( $e [ $v ]);}
}
}
}
$C [ 'elements' ] =& $e ;
// config attrs
$x = ! empty ( $C [ 'deny_attribute' ]) ? str_replace ( array ( " \n " , " \r " , " \t " , ' ' ), '' , $C [ 'deny_attribute' ]) : '' ;
$x = array_flip (( isset ( $x [ 0 ]) && $x [ 0 ] == '*' ) ? explode ( '-' , $x ) : explode ( ',' , $x . ( ! empty ( $C [ 'safe' ]) ? ',on*' : '' )));
if ( isset ( $x [ 'on*' ])){
unset ( $x [ 'on*' ]);
$x += array ( 'onblur' => 1 , 'onchange' => 1 , 'onclick' => 1 , 'ondblclick' => 1 , 'onfocus' => 1 , 'onkeydown' => 1 , 'onkeypress' => 1 , 'onkeyup' => 1 , 'onmousedown' => 1 , 'onmousemove' => 1 , 'onmouseout' => 1 , 'onmouseover' => 1 , 'onmouseup' => 1 , 'onreset' => 1 , 'onselect' => 1 , 'onsubmit' => 1 );
}
$C [ 'deny_attribute' ] = $x ;
// config URL
$x = ( isset ( $C [ 'schemes' ][ 2 ]) && strpos ( $C [ 'schemes' ], ':' )) ? strtolower ( $C [ 'schemes' ]) : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, telnet; *:file, http, https' ;
$C [ 'schemes' ] = array ();
foreach ( explode ( ';' , str_replace ( array ( ' ' , " \t " , " \r " , " \n " ), '' , $x )) as $v ){
$x = $x2 = null ; list ( $x , $x2 ) = explode ( ':' , $v , 2 );
if ( $x2 ){ $C [ 'schemes' ][ $x ] = array_flip ( explode ( ',' , $x2 ));}
}
if ( ! isset ( $C [ 'schemes' ][ '*' ])){ $C [ 'schemes' ][ '*' ] = array ( 'file' => 1 , 'http' => 1 , 'https' => 1 ,);}
if ( ! empty ( $C [ 'safe' ]) && empty ( $C [ 'schemes' ][ 'style' ])){ $C [ 'schemes' ][ 'style' ] = array ( '!' => 1 );}
$C [ 'abs_url' ] = isset ( $C [ 'abs_url' ]) ? $C [ 'abs_url' ] : 0 ;
if ( ! isset ( $C [ 'base_url' ]) or ! preg_match ( '`^[a-zA-Z\d.+\-]+://[^/]+/(.+?/)?$`' , $C [ 'base_url' ])){
$C [ 'base_url' ] = $C [ 'abs_url' ] = 0 ;
}
// config rest
$C [ 'and_mark' ] = empty ( $C [ 'and_mark' ]) ? 0 : 1 ;
$C [ 'anti_link_spam' ] = ( isset ( $C [ 'anti_link_spam' ]) && is_array ( $C [ 'anti_link_spam' ]) && count ( $C [ 'anti_link_spam' ]) == 2 && ( empty ( $C [ 'anti_link_spam' ][ 0 ]) or htmLawed :: hl_regex ( $C [ 'anti_link_spam' ][ 0 ])) && ( empty ( $C [ 'anti_link_spam' ][ 1 ]) or htmLawed :: hl_regex ( $C [ 'anti_link_spam' ][ 1 ]))) ? $C [ 'anti_link_spam' ] : 0 ;
$C [ 'anti_mail_spam' ] = isset ( $C [ 'anti_mail_spam' ]) ? $C [ 'anti_mail_spam' ] : 0 ;
$C [ 'balance' ] = isset ( $C [ 'balance' ]) ? ( bool ) $C [ 'balance' ] : 1 ;
$C [ 'cdata' ] = isset ( $C [ 'cdata' ]) ? $C [ 'cdata' ] : ( empty ( $C [ 'safe' ]) ? 3 : 0 );
$C [ 'clean_ms_char' ] = empty ( $C [ 'clean_ms_char' ]) ? 0 : $C [ 'clean_ms_char' ];
$C [ 'comment' ] = isset ( $C [ 'comment' ]) ? $C [ 'comment' ] : ( empty ( $C [ 'safe' ]) ? 3 : 0 );
$C [ 'css_expression' ] = empty ( $C [ 'css_expression' ]) ? 0 : 1 ;
$C [ 'direct_list_nest' ] = empty ( $C [ 'direct_list_nest' ]) ? 0 : 1 ;
$C [ 'hexdec_entity' ] = isset ( $C [ 'hexdec_entity' ]) ? $C [ 'hexdec_entity' ] : 1 ;
$C [ 'hook' ] = ( ! empty ( $C [ 'hook' ]) && function_exists ( $C [ 'hook' ])) ? $C [ 'hook' ] : 0 ;
$C [ 'hook_tag' ] = ( ! empty ( $C [ 'hook_tag' ]) && function_exists ( $C [ 'hook_tag' ])) ? $C [ 'hook_tag' ] : 0 ;
$C [ 'keep_bad' ] = isset ( $C [ 'keep_bad' ]) ? $C [ 'keep_bad' ] : 6 ;
$C [ 'lc_std_val' ] = isset ( $C [ 'lc_std_val' ]) ? ( bool ) $C [ 'lc_std_val' ] : 1 ;
$C [ 'make_tag_strict' ] = isset ( $C [ 'make_tag_strict' ]) ? $C [ 'make_tag_strict' ] : 1 ;
$C [ 'named_entity' ] = isset ( $C [ 'named_entity' ]) ? ( bool ) $C [ 'named_entity' ] : 1 ;
$C [ 'no_deprecated_attr' ] = isset ( $C [ 'no_deprecated_attr' ]) ? $C [ 'no_deprecated_attr' ] : 1 ;
$C [ 'parent' ] = isset ( $C [ 'parent' ][ 0 ]) ? strtolower ( $C [ 'parent' ]) : 'body' ;
$C [ 'show_setting' ] = ! empty ( $C [ 'show_setting' ]) ? $C [ 'show_setting' ] : 0 ;
$C [ 'style_pass' ] = empty ( $C [ 'style_pass' ]) ? 0 : 1 ;
$C [ 'tidy' ] = empty ( $C [ 'tidy' ]) ? 0 : $C [ 'tidy' ];
$C [ 'unique_ids' ] = isset ( $C [ 'unique_ids' ]) ? $C [ 'unique_ids' ] : 1 ;
$C [ 'xml:lang' ] = isset ( $C [ 'xml:lang' ]) ? $C [ 'xml:lang' ] : 0 ;
if ( isset ( $GLOBALS [ 'C' ])){ $reC = $GLOBALS [ 'C' ];}
$GLOBALS [ 'C' ] = $C ;
$S = is_array ( $S ) ? $S : htmLawed :: hl_spec ( $S );
if ( isset ( $GLOBALS [ 'S' ])){ $reS = $GLOBALS [ 'S' ];}
$GLOBALS [ 'S' ] = $S ;
$t = preg_replace ( '`[\x00-\x08\x0b-\x0c\x0e-\x1f]`' , '' , $t );
if ( $C [ 'clean_ms_char' ]){
$x = array ( " \x7f " => '' , " \x80 " => '€' , " \x81 " => '' , " \x83 " => 'ƒ' , " \x85 " => '…' , " \x86 " => '†' , " \x87 " => '‡' , " \x88 " => 'ˆ' , " \x89 " => '‰' , " \x8a " => 'Š' , " \x8b " => '‹' , " \x8c " => 'Œ' , " \x8d " => '' , " \x8e " => 'Ž' , " \x8f " => '' , " \x90 " => '' , " \x95 " => '•' , " \x96 " => '–' , " \x97 " => '—' , " \x98 " => '˜' , " \x99 " => '™' , " \x9a " => 'š' , " \x9b " => '›' , " \x9c " => 'œ' , " \x9d " => '' , " \x9e " => 'ž' , " \x9f " => 'Ÿ' );
$x = $x + ( $C [ 'clean_ms_char' ] == 1 ? array ( " \x82 " => '‚' , " \x84 " => '„' , " \x91 " => '‘' , " \x92 " => '’' , " \x93 " => '“' , " \x94 " => '”' ) : array ( " \x82 " => '\'' , " \x84 " => '"' , " \x91 " => '\'' , " \x92 " => '\'' , " \x93 " => '"' , " \x94 " => '"' ));
$t = strtr ( $t , $x );
}
if ( $C [ 'cdata' ] or $C [ 'comment' ]){ $t = preg_replace_callback ( '`<!(?:(?:--.*?--)|(?:\[CDATA\[.*?\]\]))>`sm' , 'htmLawed::hl_cmtcd' , $t );}
$t = preg_replace_callback ( '`&([A-Za-z][A-Za-z0-9]{1,30}|#(?:[0-9]{1,8}|[Xx][0-9A-Fa-f]{1,7}));`' , 'htmLawed::hl_ent' , str_replace ( '&' , '&' , $t ));
if ( $C [ 'unique_ids' ] && ! isset ( $GLOBALS [ 'hl_Ids' ])){ $GLOBALS [ 'hl_Ids' ] = array ();}
if ( $C [ 'hook' ]){ $t = $C [ 'hook' ]( $t , $C , $S );}
if ( $C [ 'show_setting' ] && preg_match ( '`^[a-z][a-z0-9_]*$`i' , $C [ 'show_setting' ])){
$GLOBALS [ $C [ 'show_setting' ]] = array ( 'config' => $C , 'spec' => $S , 'time' => microtime ());
}
// main
$t = preg_replace_callback ( '`<(?:(?:\s|$)|(?:[^>]*(?:>|$)))|>`m' , 'htmLawed::hl_tag' , $t );
$t = $C [ 'balance' ] ? htmLawed :: hl_bal ( $t , $C [ 'keep_bad' ], $C [ 'parent' ]) : $t ;
$t = (( $C [ 'cdata' ] or $C [ 'comment' ]) && strpos ( $t , " \x01 " ) !== false ) ? str_replace ( array ( " \x01 " , " \x02 " , " \x03 " , " \x04 " , " \x05 " ), array ( '' , '' , '&' , '<' , '>' ), $t ) : $t ;
$t = $C [ 'tidy' ] ? htmLawed :: hl_tidy ( $t , $C [ 'tidy' ], $C [ 'parent' ]) : $t ;
unset ( $C , $e );
if ( isset ( $reC )){ $GLOBALS [ 'C' ] = $reC ;}
if ( isset ( $reS )){ $GLOBALS [ 'S' ] = $reS ;}
return $t ;
// eof
}
public static function hl_attrval ( $t , $p ){
// check attr val against $S
$o = 1 ; $l = strlen ( $t );
foreach ( $p as $k => $v ){
switch ( $k ){
case 'maxlen' : if ( $l > $v ){ $o = 0 ;}
break ; case 'minlen' : if ( $l < $v ){ $o = 0 ;}
break ; case 'maxval' : if (( float )( $t ) > $v ){ $o = 0 ;}
break ; case 'minval' : if (( float )( $t ) < $v ){ $o = 0 ;}
break ; case 'match' : if ( ! preg_match ( $v , $t )){ $o = 0 ;}
break ; case 'nomatch' : if ( preg_match ( $v , $t )){ $o = 0 ;}
break ; case 'oneof' :
$m = 0 ;
foreach ( explode ( '|' , $v ) as $n ){ if ( $t == $n ){ $m = 1 ; break ;}}
$o = $m ;
break ; case 'noneof' :
$m = 1 ;
foreach ( explode ( '|' , $v ) as $n ){ if ( $t == $n ){ $m = 0 ; break ;}}
$o = $m ;
break ; default :
break ;
}
if ( ! $o ){ break ;}
}
return ( $o ? $t : ( isset ( $p [ 'default' ]) ? $p [ 'default' ] : 0 ));
// eof
}
public static function hl_bal ( $t , $do = 1 , $in = 'div' ){
// balance tags
// by content
$cB = array ( 'blockquote' => 1 , 'form' => 1 , 'map' => 1 , 'noscript' => 1 ); // Block
$cE = array ( 'area' => 1 , 'br' => 1 , 'col' => 1 , 'embed' => 1 , 'hr' => 1 , 'img' => 1 , 'input' => 1 , 'isindex' => 1 , 'param' => 1 ); // Empty
$cF = array ( 'button' => 1 , 'del' => 1 , 'div' => 1 , 'dd' => 1 , 'fieldset' => 1 , 'iframe' => 1 , 'ins' => 1 , 'li' => 1 , 'noscript' => 1 , 'object' => 1 , 'td' => 1 , 'th' => 1 ); // Flow; later context-wise dynamic move of ins & del to $cI
$cI = array ( 'a' => 1 , 'abbr' => 1 , 'acronym' => 1 , 'address' => 1 , 'b' => 1 , 'bdo' => 1 , 'big' => 1 , 'caption' => 1 , 'cite' => 1 , 'code' => 1 , 'dfn' => 1 , 'dt' => 1 , 'em' => 1 , 'font' => 1 , 'h1' => 1 , 'h2' => 1 , 'h3' => 1 , 'h4' => 1 , 'h5' => 1 , 'h6' => 1 , 'i' => 1 , 'kbd' => 1 , 'label' => 1 , 'legend' => 1 , 'p' => 1 , 'pre' => 1 , 'q' => 1 , 'rb' => 1 , 'rt' => 1 , 's' => 1 , 'samp' => 1 , 'small' => 1 , 'span' => 1 , 'strike' => 1 , 'strong' => 1 , 'sub' => 1 , 'sup' => 1 , 'tt' => 1 , 'u' => 1 , 'var' => 1 ); // Inline
$cN = array ( 'a' => array ( 'a' => 1 ), 'button' => array ( 'a' => 1 , 'button' => 1 , 'fieldset' => 1 , 'form' => 1 , 'iframe' => 1 , 'input' => 1 , 'label' => 1 , 'select' => 1 , 'textarea' => 1 ), 'fieldset' => array ( 'fieldset' => 1 ), 'form' => array ( 'form' => 1 ), 'label' => array ( 'label' => 1 ), 'noscript' => array ( 'script' => 1 ), 'pre' => array ( 'big' => 1 , 'font' => 1 , 'img' => 1 , 'object' => 1 , 'script' => 1 , 'small' => 1 , 'sub' => 1 , 'sup' => 1 ), 'rb' => array ( 'ruby' => 1 ), 'rt' => array ( 'ruby' => 1 )); // Illegal
$cN2 = array_keys ( $cN );
$cR = array ( 'blockquote' => 1 , 'dir' => 1 , 'dl' => 1 , 'form' => 1 , 'map' => 1 , 'menu' => 1 , 'noscript' => 1 , 'ol' => 1 , 'optgroup' => 1 , 'rbc' => 1 , 'rtc' => 1 , 'ruby' => 1 , 'select' => 1 , 'table' => 1 , 'tbody' => 1 , 'tfoot' => 1 , 'thead' => 1 , 'tr' => 1 , 'ul' => 1 );
$cS = array ( 'colgroup' => array ( 'col' => 1 ), 'dir' => array ( 'li' => 1 ), 'dl' => array ( 'dd' => 1 , 'dt' => 1 ), 'menu' => array ( 'li' => 1 ), 'ol' => array ( 'li' => 1 ), 'optgroup' => array ( 'option' => 1 ), 'option' => array ( '#pcdata' => 1 ), 'rbc' => array ( 'rb' => 1 ), 'rp' => array ( '#pcdata' => 1 ), 'rtc' => array ( 'rt' => 1 ), 'ruby' => array ( 'rb' => 1 , 'rbc' => 1 , 'rp' => 1 , 'rt' => 1 , 'rtc' => 1 ), 'select' => array ( 'optgroup' => 1 , 'option' => 1 ), 'script' => array ( '#pcdata' => 1 ), 'table' => array ( 'caption' => 1 , 'col' => 1 , 'colgroup' => 1 , 'tfoot' => 1 , 'tbody' => 1 , 'tr' => 1 , 'thead' => 1 ), 'tbody' => array ( 'tr' => 1 ), 'tfoot' => array ( 'tr' => 1 ), 'textarea' => array ( '#pcdata' => 1 ), 'thead' => array ( 'tr' => 1 ), 'tr' => array ( 'td' => 1 , 'th' => 1 ), 'ul' => array ( 'li' => 1 )); // Specific - immediate parent-child
if ( $GLOBALS [ 'C' ][ 'direct_list_nest' ]){ $cS [ 'ol' ] = $cS [ 'ul' ] += array ( 'ol' => 1 , 'ul' => 1 );}
$cO = array ( 'address' => array ( 'p' => 1 ), 'applet' => array ( 'param' => 1 ), 'blockquote' => array ( 'script' => 1 ), 'fieldset' => array ( 'legend' => 1 , '#pcdata' => 1 ), 'form' => array ( 'script' => 1 ), 'map' => array ( 'area' => 1 ), 'object' => array ( 'param' => 1 , 'embed' => 1 )); // Other
$cT = array ( 'colgroup' => 1 , 'dd' => 1 , 'dt' => 1 , 'li' => 1 , 'option' => 1 , 'p' => 1 , 'td' => 1 , 'tfoot' => 1 , 'th' => 1 , 'thead' => 1 , 'tr' => 1 ); // Omitable closing
// block/inline type; ins & del both type; #pcdata: text
$eB = array ( 'address' => 1 , 'blockquote' => 1 , 'center' => 1 , 'del' => 1 , 'dir' => 1 , 'dl' => 1 , 'div' => 1 , 'fieldset' => 1 , 'form' => 1 , 'ins' => 1 , 'h1' => 1 , 'h2' => 1 , 'h3' => 1 , 'h4' => 1 , 'h5' => 1 , 'h6' => 1 , 'hr' => 1 , 'isindex' => 1 , 'menu' => 1 , 'noscript' => 1 , 'ol' => 1 , 'p' => 1 , 'pre' => 1 , 'table' => 1 , 'ul' => 1 );
$eI = array ( '#pcdata' => 1 , 'a' => 1 , 'abbr' => 1 , 'acronym' => 1 , 'applet' => 1 , 'b' => 1 , 'bdo' => 1 , 'big' => 1 , 'br' => 1 , 'button' => 1 , 'cite' => 1 , 'code' => 1 , 'del' => 1 , 'dfn' => 1 , 'em' => 1 , 'embed' => 1 , 'font' => 1 , 'i' => 1 , 'iframe' => 1 , 'img' => 1 , 'input' => 1 , 'ins' => 1 , 'kbd' => 1 , 'label' => 1 , 'map' => 1 , 'object' => 1 , 'q' => 1 , 'ruby' => 1 , 's' => 1 , 'samp' => 1 , 'select' => 1 , 'script' => 1 , 'small' => 1 , 'span' => 1 , 'strike' => 1 , 'strong' => 1 , 'sub' => 1 , 'sup' => 1 , 'textarea' => 1 , 'tt' => 1 , 'u' => 1 , 'var' => 1 );
$eN = array ( 'a' => 1 , 'big' => 1 , 'button' => 1 , 'fieldset' => 1 , 'font' => 1 , 'form' => 1 , 'iframe' => 1 , 'img' => 1 , 'input' => 1 , 'label' => 1 , 'object' => 1 , 'ruby' => 1 , 'script' => 1 , 'select' => 1 , 'small' => 1 , 'sub' => 1 , 'sup' => 1 , 'textarea' => 1 ); // Exclude from specific ele; $cN values
$eO = array ( 'area' => 1 , 'caption' => 1 , 'col' => 1 , 'colgroup' => 1 , 'dd' => 1 , 'dt' => 1 , 'legend' => 1 , 'li' => 1 , 'optgroup' => 1 , 'option' => 1 , 'param' => 1 , 'rb' => 1 , 'rbc' => 1 , 'rp' => 1 , 'rt' => 1 , 'rtc' => 1 , 'script' => 1 , 'tbody' => 1 , 'td' => 1 , 'tfoot' => 1 , 'thead' => 1 , 'th' => 1 , 'tr' => 1 ); // Missing in $eB & $eI
$eF = $eB + $eI ;
// $in sets allowed child
$in = (( isset ( $eF [ $in ]) && $in != '#pcdata' ) or isset ( $eO [ $in ])) ? $in : 'div' ;
if ( isset ( $cE [ $in ])){
return ( ! $do ? '' : str_replace ( array ( '<' , '>' ), array ( '<' , '>' ), $t ));
}
if ( isset ( $cS [ $in ])){ $inOk = $cS [ $in ];}
elseif ( isset ( $cI [ $in ])){ $inOk = $eI ; $cI [ 'del' ] = 1 ; $cI [ 'ins' ] = 1 ;}
elseif ( isset ( $cF [ $in ])){ $inOk = $eF ; unset ( $cI [ 'del' ], $cI [ 'ins' ]);}
elseif ( isset ( $cB [ $in ])){ $inOk = $eB ; unset ( $cI [ 'del' ], $cI [ 'ins' ]);}
if ( isset ( $cO [ $in ])){ $inOk = $inOk + $cO [ $in ];}
if ( isset ( $cN [ $in ])){ $inOk = array_diff_assoc ( $inOk , $cN [ $in ]);}
$t = explode ( '<' , $t );
$ok = $q = array (); // $q seq list of open non-empty ele
ob_start ();
for ( $i =- 1 , $ci = count ( $t ); ++ $i < $ci ;){
// allowed $ok in parent $p
if ( $ql = count ( $q )){
$p = array_pop ( $q );
$q [] = $p ;
if ( isset ( $cS [ $p ])){ $ok = $cS [ $p ];}
elseif ( isset ( $cI [ $p ])){ $ok = $eI ; $cI [ 'del' ] = 1 ; $cI [ 'ins' ] = 1 ;}
elseif ( isset ( $cF [ $p ])){ $ok = $eF ; unset ( $cI [ 'del' ], $cI [ 'ins' ]);}
elseif ( isset ( $cB [ $p ])){ $ok = $eB ; unset ( $cI [ 'del' ], $cI [ 'ins' ]);}
if ( isset ( $cO [ $p ])){ $ok = $ok + $cO [ $p ];}
if ( isset ( $cN [ $p ])){ $ok = array_diff_assoc ( $ok , $cN [ $p ]);}
} else { $ok = $inOk ; unset ( $cI [ 'del' ], $cI [ 'ins' ]);}
// bad tags, & ele content
if ( isset ( $e ) && ( $do == 1 or ( isset ( $ok [ '#pcdata' ]) && ( $do == 3 or $do == 5 )))){
echo '<' , $s , $e , $a , '>' ;
}
if ( isset ( $x [ 0 ])){
if ( strlen ( trim ( $x )) && (( $ql && isset ( $cB [ $p ])) or ( isset ( $cB [ $in ]) && ! $ql ))){
echo '<div>' , $x , '</div>' ;
}
elseif ( $do < 3 or isset ( $ok [ '#pcdata' ])){ echo $x ;}
elseif ( strpos ( $x , " \x02 \x04 " )){
foreach ( preg_split ( '`(\x01\x02[^\x01\x02]+\x02\x01)`' , $x , - 1 , PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY ) as $v ){
echo ( substr ( $v , 0 , 2 ) == " \x01 \x02 " ? $v : ( $do > 4 ? preg_replace ( '`\S`' , '' , $v ) : '' ));
}
} elseif ( $do > 4 ){ echo preg_replace ( '`\S`' , '' , $x );}
}
// get markup
if ( ! preg_match ( '`^(/?)([a-z1-6]+)([^>]*)>(.*)`sm' , $t [ $i ], $r )){ $x = $t [ $i ]; continue ;}
$s = null ; $e = null ; $a = null ; $x = null ; list ( $all , $s , $e , $a , $x ) = $r ;
// close tag
if ( $s ){
if ( isset ( $cE [ $e ]) or ! in_array ( $e , $q )){ continue ;} // Empty/unopen
if ( $p == $e ){ array_pop ( $q ); echo '</' , $e , '>' ; unset ( $e ); continue ;} // Last open
$add = '' ; // Nesting - close open tags that need to be
for ( $j =- 1 , $cj = count ( $q ); ++ $j < $cj ;){
if (( $d = array_pop ( $q )) == $e ){ break ;}
else { $add .= " </ { $d } > " ;}
}
echo $add , '</' , $e , '>' ; unset ( $e ); continue ;
}
// open tag
// $cB ele needs $eB ele as child
if ( isset ( $cB [ $e ]) && strlen ( trim ( $x ))){
$t [ $i ] = " { $e } { $a } > " ;
array_splice ( $t , $i + 1 , 0 , 'div>' . $x ); unset ( $e , $x ); ++ $ci ; -- $i ; continue ;
}
if ((( $ql && isset ( $cB [ $p ])) or ( isset ( $cB [ $in ]) && ! $ql )) && ! isset ( $eB [ $e ]) && ! isset ( $ok [ $e ])){
array_splice ( $t , $i , 0 , 'div>' ); unset ( $e , $x ); ++ $ci ; -- $i ; continue ;
}
// if no open ele, $in = parent; mostly immediate parent-child relation should hold
if ( ! $ql or ! isset ( $eN [ $e ]) or ! array_intersect ( $q , $cN2 )){
if ( ! isset ( $ok [ $e ])){
if ( $ql && isset ( $cT [ $p ])){ echo '</' , array_pop ( $q ), '>' ; unset ( $e , $x ); -- $i ;}
continue ;
}
if ( ! isset ( $cE [ $e ])){ $q [] = $e ;}
echo '<' , $e , $a , '>' ; unset ( $e ); continue ;
}
// specific parent-child
if ( isset ( $cS [ $p ][ $e ])){
if ( ! isset ( $cE [ $e ])){ $q [] = $e ;}
echo '<' , $e , $a , '>' ; unset ( $e ); continue ;
}
// nesting
$add = '' ;
$q2 = array ();
for ( $k =- 1 , $kc = count ( $q ); ++ $k < $kc ;){
$d = $q [ $k ];
$ok2 = array ();
if ( isset ( $cS [ $d ])){ $q2 [] = $d ; continue ;}
$ok2 = isset ( $cI [ $d ]) ? $eI : $eF ;
if ( isset ( $cO [ $d ])){ $ok2 = $ok2 + $cO [ $d ];}
if ( isset ( $cN [ $d ])){ $ok2 = array_diff_assoc ( $ok2 , $cN [ $d ]);}
if ( ! isset ( $ok2 [ $e ])){
if ( ! $k && ! isset ( $inOk [ $e ])){ continue 2 ;}
$add = " </ { $d } > " ;
for (; ++ $k < $kc ;){ $add = " </ { $q [ $k ] } > { $add } " ;}
break ;
}
else { $q2 [] = $d ;}
}
$q = $q2 ;
if ( ! isset ( $cE [ $e ])){ $q [] = $e ;}
echo $add , '<' , $e , $a , '>' ; unset ( $e ); continue ;
}
// end
if ( $ql = count ( $q )){
$p = array_pop ( $q );
$q [] = $p ;
if ( isset ( $cS [ $p ])){ $ok = $cS [ $p ];}
elseif ( isset ( $cI [ $p ])){ $ok = $eI ; $cI [ 'del' ] = 1 ; $cI [ 'ins' ] = 1 ;}
elseif ( isset ( $cF [ $p ])){ $ok = $eF ; unset ( $cI [ 'del' ], $cI [ 'ins' ]);}
elseif ( isset ( $cB [ $p ])){ $ok = $eB ; unset ( $cI [ 'del' ], $cI [ 'ins' ]);}
if ( isset ( $cO [ $p ])){ $ok = $ok + $cO [ $p ];}
if ( isset ( $cN [ $p ])){ $ok = array_diff_assoc ( $ok , $cN [ $p ]);}
} else { $ok = $inOk ; unset ( $cI [ 'del' ], $cI [ 'ins' ]);}
if ( isset ( $e ) && ( $do == 1 or ( isset ( $ok [ '#pcdata' ]) && ( $do == 3 or $do == 5 )))){
echo '<' , $s , $e , $a , '>' ;
}
if ( isset ( $x [ 0 ])){
if ( strlen ( trim ( $x )) && (( $ql && isset ( $cB [ $p ])) or ( isset ( $cB [ $in ]) && ! $ql ))){
echo '<div>' , $x , '</div>' ;
}
elseif ( $do < 3 or isset ( $ok [ '#pcdata' ])){ echo $x ;}
elseif ( strpos ( $x , " \x02 \x04 " )){
foreach ( preg_split ( '`(\x01\x02[^\x01\x02]+\x02\x01)`' , $x , - 1 , PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY ) as $v ){
echo ( substr ( $v , 0 , 2 ) == " \x01 \x02 " ? $v : ( $do > 4 ? preg_replace ( '`\S`' , '' , $v ) : '' ));
}
} elseif ( $do > 4 ){ echo preg_replace ( '`\S`' , '' , $x );}
}
while ( ! empty ( $q ) && ( $e = array_pop ( $q ))){ echo '</' , $e , '>' ;}
$o = ob_get_contents ();
ob_end_clean ();
return $o ;
// eof
}
public static function hl_cmtcd ( $t ){
// comment/CDATA sec handler
$t = $t [ 0 ];
global $C ;
if ( ! ( $v = $C [ $n = $t [ 3 ] == '-' ? 'comment' : 'cdata' ])){ return $t ;}
if ( $v == 1 ){ return '' ;}
if ( $n == 'comment' ){
if ( substr (( $t = preg_replace ( '`--+`' , '-' , substr ( $t , 4 , - 3 ))), - 1 ) != ' ' ){ $t .= ' ' ;}
}
else { $t = substr ( $t , 1 , - 1 );}
$t = $v == 2 ? str_replace ( array ( '&' , '<' , '>' ), array ( '&' , '<' , '>' ), $t ) : $t ;
return str_replace ( array ( '&' , '<' , '>' ), array ( " \x03 " , " \x04 " , " \x05 " ), ( $n == 'comment' ? " \x01 \x02 \x04 !-- $t -- \x05 \x02 \x01 " : " \x01 \x01 \x04 $t\x05\x01\x01 " ));
// eof
}
public static function hl_ent ( $t ){
// entitity handler
global $C ;
$t = $t [ 1 ];
static $U = array ( 'quot' => 1 , 'amp' => 1 , 'lt' => 1 , 'gt' => 1 );
static $N = array ( 'fnof' => '402' , 'Alpha' => '913' , 'Beta' => '914' , 'Gamma' => '915' , 'Delta' => '916' , 'Epsilon' => '917' , 'Zeta' => '918' , 'Eta' => '919' , 'Theta' => '920' , 'Iota' => '921' , 'Kappa' => '922' , 'Lambda' => '923' , 'Mu' => '924' , 'Nu' => '925' , 'Xi' => '926' , 'Omicron' => '927' , 'Pi' => '928' , 'Rho' => '929' , 'Sigma' => '931' , 'Tau' => '932' , 'Upsilon' => '933' , 'Phi' => '934' , 'Chi' => '935' , 'Psi' => '936' , 'Omega' => '937' , 'alpha' => '945' , 'beta' => '946' , 'gamma' => '947' , 'delta' => '948' , 'epsilon' => '949' , 'zeta' => '950' , 'eta' => '951' , 'theta' => '952' , 'iota' => '953' , 'kappa' => '954' , 'lambda' => '955' , 'mu' => '956' , 'nu' => '957' , 'xi' => '958' , 'omicron' => '959' , 'pi' => '960' , 'rho' => '961' , 'sigmaf' => '962' , 'sigma' => '963' , 'tau' => '964' , 'upsilon' => '965' , 'phi' => '966' , 'chi' => '967' , 'psi' => '968' , 'omega' => '969' , 'thetasym' => '977' , 'upsih' => '978' , 'piv' => '982' , 'bull' => '8226' , 'hellip' => '8230' , 'prime' => '8242' , 'Prime' => '8243' , 'oline' => '8254' , 'frasl' => '8260' , 'weierp' => '8472' , 'image' => '8465' , 'real' => '8476' , 'trade' => '8482' , 'alefsym' => '8501' , 'larr' => '8592' , 'uarr' => '8593' , 'rarr' => '8594' , 'darr' => '8595' , 'harr' => '8596' , 'crarr' => '8629' , 'lArr' => '8656' , 'uArr' => '8657' , 'rArr' => '8658' , 'dArr' => '8659' , 'hArr' => '8660' , 'forall' => '8704' , 'part' => '8706' , 'exist' => '8707' , 'empty' => '8709' , 'nabla' => '8711' , 'isin' => '8712' , 'notin' => '8713' , 'ni' => '8715' , 'prod' => '8719' , 'sum' => '8721' , 'minus' => '8722' , 'lowast' => '8727' , 'radic' => '8730' , 'prop' => '8733' , 'infin' => '8734' , 'ang' => '8736' , 'and' => '8743' , 'or' => '8744' , 'cap' => '8745' , 'cup' => '8746' , 'int' => '8747' , 'there4' => '8756' , 'sim' => '8764' , 'cong' => '8773' , 'asymp' => '8776' , 'ne' => '8800' , 'equiv' => '8801' , 'le' => '8804' , 'ge' => '8805' , 'sub' => '8834' , 'sup' => '8835' , 'nsub' => '8836' , 'sube' => '8838' , 'supe' => '8839' , 'oplus' => '8853' , 'otimes' => '8855' , 'perp' => '8869' , 'sdot' => '8901' , 'lceil' => '8968' , 'rceil' => '8969' , 'lfloor' => '8970' , 'rfloor' => '8971' , 'lang' => '9001' , 'rang' => '9002' , 'loz' => '9674' , 'spades' => '9824' , 'clubs' => '9827' , 'hearts' => '9829' , 'diams' => '9830' , 'apos' => '39' , 'OElig' => '338' , 'oelig' => '339' , 'Scaron' => '352' , 'scaron' => '353' , 'Yuml' => '376' , 'circ' => '710' , 'tilde' => '732' , 'ensp' => '8194' , 'emsp' => '8195' , 'thinsp' => '8201' , 'zwnj' => '8204' , 'zwj' => '8205' , 'lrm' => '8206' , 'rlm' => '8207' , 'ndash' => '8211' , 'mdash' => '8212' , 'lsquo' => '8216' , 'rsquo' => '8217' , 'sbquo' => '8218' , 'ldquo' => '8220' , 'rdquo' => '8221' , 'bdquo' => '8222' , 'dagger' => '8224' , 'Dagger' => '8225' , 'permil' => '8240' , 'lsaquo' => '8249' , 'rsaquo' => '8250' , 'euro' => '8364' , 'nbsp' => '160' , 'iexcl' => '161' , 'cent' => '162' , 'pound' => '163' , 'curren' => '164' , 'yen' => '165' , 'brvbar' => '166' , 'sect' => '167' , 'uml' => '168' , 'copy' => '169' , 'ordf' => '170' , 'laquo' => '171' , 'not' => '172' , 'shy' => '173' , 'reg' => '174' , 'macr' => '175' , 'deg' => '176' , 'plusmn' => '177' , 'sup2' => '178' , 'sup3' => '179' , 'acute' => '180' , 'micro' => '181' , 'para' => '182' , 'middot' => '183' , 'cedil' => '184' , 'sup1' => '185' , 'ordm' => '186' , 'raquo' => '187' , 'frac14' => '188' , 'frac12' => '189' , 'frac34' => '190' , 'iquest' => '191' , 'Agrave' => '192' , 'Aacute' => '193' , 'Acirc' => '194' , 'Atilde' => '195' , 'Auml' => '196' , 'Aring' => '197' , 'AElig' => '198' , 'Ccedil' => '199' , 'Egrave' => '200' , 'Eacute' => '201' , 'Ecirc' => '202' , 'Euml' => '203' , 'Igrave' => '204' , 'Iacute' => '205' , 'Icirc' => '206' , 'Iuml' => '207' , 'ETH' => '208' , 'Ntilde' => '209' , 'Ograve' => '210' , 'Oacute' => '211' , 'Ocirc' => '212' , 'Otilde' => '213' , 'Ouml' => '214' , 'times' => '215' , 'Oslash' => '216' , 'Ugrave' => '217' , 'Uacute' => '218' , 'Ucirc' => '219' , 'Uuml' => '220' , 'Yacute' => '221' , 'THORN' => '222' , 'szlig' => '223' , 'agrave' => '224' , 'aacute' => '225' , 'acirc' => '226' , 'atilde' => '227' , 'auml' => '228' , 'aring' => '229' , 'aelig' => '230' , 'ccedil' => '231' , 'egrave' => '232' , 'eacute' => '233' , 'ecirc' => '234' , 'euml' => '235' , 'igrave' => '236' , 'iacute' => '237' , 'icirc' => '238' , 'iuml' => '239' , 'eth' => '240' , 'ntilde' => '241' , 'ograve' => '242' , 'oacute' => '243' , 'ocirc' => '244' , 'otilde' => '245' , 'ouml' => '246' , 'divide' => '247' , 'oslash' => '248' , 'ugrave' => '249' , 'uacute' => '250' , 'ucirc' => '251' , 'uuml' => '252' , 'yacute' => '253' , 'thorn' => '254' , 'yuml' => '255' );
if ( $t [ 0 ] != '#' ){
return ( $C [ 'and_mark' ] ? " \x06 " : '&' ) . ( isset ( $U [ $t ]) ? $t : ( isset ( $N [ $t ]) ? ( ! $C [ 'named_entity' ] ? '#' . ( $C [ 'hexdec_entity' ] > 1 ? 'x' . dechex ( $N [ $t ]) : $N [ $t ]) : $t ) : 'amp;' . $t )) . ';' ;
}
if (( $n = ctype_digit ( $t = substr ( $t , 1 )) ? intval ( $t ) : hexdec ( substr ( $t , 1 ))) < 9 or ( $n > 13 && $n < 32 ) or $n == 11 or $n == 12 or ( $n > 126 && $n < 160 && $n != 133 ) or ( $n > 55295 && ( $n < 57344 or ( $n > 64975 && $n < 64992 ) or $n == 65534 or $n == 65535 or $n > 1114111 ))){
return ( $C [ 'and_mark' ] ? " \x06 " : '&' ) . " amp;# { $t } ; " ;
}
return ( $C [ 'and_mark' ] ? " \x06 " : '&' ) . '#' . ((( ctype_digit ( $t ) && $C [ 'hexdec_entity' ] < 2 ) or ! $C [ 'hexdec_entity' ]) ? $n : 'x' . dechex ( $n )) . ';' ;
// eof
}
public static function hl_prot ( $p , $c = null ){
// check URL scheme
global $C ;
$b = $a = '' ;
if ( $c == null ){ $c = 'style' ; $b = $p [ 1 ]; $a = $p [ 3 ]; $p = trim ( $p [ 2 ]);}
$c = isset ( $C [ 'schemes' ][ $c ]) ? $C [ 'schemes' ][ $c ] : $C [ 'schemes' ][ '*' ];
static $d = 'denied:' ;
if ( isset ( $c [ '!' ]) && substr ( $p , 0 , 7 ) != $d ){ $p = " $d $p " ;}
if ( isset ( $c [ '*' ]) or ! strcspn ( $p , '#?;' ) or ( substr ( $p , 0 , 7 ) == $d )){ return " { $b } { $p } { $a } " ;} // All ok, frag, query, param
2014-09-15 20:24:06 +00:00
if ( preg_match ( '`^([^:?[@!$()*,=/\'\]]+?)(:|&#(58|x3a);|%3a|\\\\0{0,4}3a).`i' , $p , $m ) && ! isset ( $c [ strtolower ( $m [ 1 ])])){ // Denied prot
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return " { $b } { $d } { $p } { $a } " ;
}
if ( $C [ 'abs_url' ]){
if ( $C [ 'abs_url' ] == - 1 && strpos ( $p , $C [ 'base_url' ]) === 0 ){ // Make url rel
$p = substr ( $p , strlen ( $C [ 'base_url' ]));
} elseif ( empty ( $m [ 1 ])){ // Make URL abs
if ( substr ( $p , 0 , 2 ) == '//' ){ $p = substr ( $C [ 'base_url' ], 0 , strpos ( $C [ 'base_url' ], ':' ) + 1 ) . $p ;}
elseif ( $p [ 0 ] == '/' ){ $p = preg_replace ( '`(^.+?://[^/]+)(.*)`' , '$1' , $C [ 'base_url' ]) . $p ;}
elseif ( strcspn ( $p , './' )){ $p = $C [ 'base_url' ] . $p ;}
else {
preg_match ( '`^([a-zA-Z\d\-+.]+://[^/]+)(.*)`' , $C [ 'base_url' ], $m );
$p = preg_replace ( '`(?<=/)\./`' , '' , $m [ 2 ] . $p );
while ( preg_match ( '`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`' , $p )){
$p = preg_replace ( '`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`' , '' , $p );
}
$p = $m [ 1 ] . $p ;
}
}
}
return " { $b } { $p } { $a } " ;
// eof
}
public static function hl_regex ( $p ){
// ?regex
if ( empty ( $p )){ return 0 ;}
if ( $t = ini_get ( 'track_errors' )){ $o = isset ( $php_errormsg ) ? $php_errormsg : null ;}
else { ini_set ( 'track_errors' , 1 );}
unset ( $php_errormsg );
if (( $d = ini_get ( 'display_errors' ))){ ini_set ( 'display_errors' , 0 );}
preg_match ( $p , '' );
if ( $d ){ ini_set ( 'display_errors' , 1 );}
$r = isset ( $php_errormsg ) ? 0 : 1 ;
if ( $t ){ $php_errormsg = isset ( $o ) ? $o : null ;}
else { ini_set ( 'track_errors' , 0 );}
return $r ;
// eof
}
public static function hl_spec ( $t ){
// final $spec
$s = array ();
2014-09-15 20:24:06 +00:00
$t = str_replace ( array ( " \t " , " \r " , " \n " , ' ' ), '' , preg_replace_callback ( '/"(?>(`.|[^"])*)"/sm' , create_function ( '$m' , 'return substr(str_replace(array(";", "|", "~", " ", ",", "/", "(", ")", \'`"\'), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", "\""), $m[0]), 1, -1);' ), trim ( $t )));
2014-05-15 20:49:16 +00:00
for ( $i = count (( $t = explode ( ';' , $t ))); -- $i >= 0 ;){
$w = $t [ $i ];
if ( empty ( $w ) or ( $e = strpos ( $w , '=' )) === false or ! strlen (( $a = substr ( $w , $e + 1 )))){ continue ;}
$y = $n = array ();
foreach ( explode ( ',' , $a ) as $v ){
if ( ! preg_match ( '`^([a-z:\-\*]+)(?:\((.*?)\))?`i' , $v , $m )){ continue ;}
if (( $x = strtolower ( $m [ 1 ])) == '-*' ){ $n [ '*' ] = 1 ; continue ;}
if ( $x [ 0 ] == '-' ){ $n [ substr ( $x , 1 )] = 1 ; continue ;}
if ( ! isset ( $m [ 2 ])){ $y [ $x ] = 1 ; continue ;}
foreach ( explode ( '/' , $m [ 2 ]) as $m ){
if ( empty ( $m ) or ( $p = strpos ( $m , '=' )) == 0 or $p < 5 ){ $y [ $x ] = 1 ; continue ;}
$y [ $x ][ strtolower ( substr ( $m , 0 , $p ))] = str_replace ( array ( " \x01 " , " \x02 " , " \x03 " , " \x04 " , " \x05 " , " \x06 " , " \x07 " , " \x08 " ), array ( " ; " , " | " , " ~ " , " " , " , " , " / " , " ( " , " ) " ), substr ( $m , $p + 1 ));
}
if ( isset ( $y [ $x ][ 'match' ]) && ! htmLawed :: hl_regex ( $y [ $x ][ 'match' ])){ unset ( $y [ $x ][ 'match' ]);}
if ( isset ( $y [ $x ][ 'nomatch' ]) && ! htmLawed :: hl_regex ( $y [ $x ][ 'nomatch' ])){ unset ( $y [ $x ][ 'nomatch' ]);}
}
if ( ! count ( $y ) && ! count ( $n )){ continue ;}
foreach ( explode ( ',' , substr ( $w , 0 , $e )) as $v ){
if ( ! strlen (( $v = strtolower ( $v )))){ continue ;}
if ( count ( $y )){ $s [ $v ] = $y ;}
if ( count ( $n )){ $s [ $v ][ 'n' ] = $n ;}
}
}
return $s ;
// eof
}
public static function hl_tag ( $t ){
// tag/attribute handler
global $C ;
$t = $t [ 0 ];
// invalid < >
if ( $t == '< ' ){ return '< ' ;}
if ( $t == '>' ){ return '>' ;}
if ( ! preg_match ( '`^<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?>$`m' , $t , $m )){
return str_replace ( array ( '<' , '>' ), array ( '<' , '>' ), $t );
} elseif ( ! isset ( $C [ 'elements' ][( $e = strtolower ( $m [ 2 ]))])){
return (( $C [ 'keep_bad' ] % 2 ) ? str_replace ( array ( '<' , '>' ), array ( '<' , '>' ), $t ) : '' );
}
// attr string
$a = str_replace ( array ( " \n " , " \r " , " \t " ), ' ' , trim ( $m [ 3 ]));
// tag transform
static $eD = array ( 'applet' => 1 , 'center' => 1 , 'dir' => 1 , 'embed' => 1 , 'font' => 1 , 'isindex' => 1 , 'menu' => 1 , 's' => 1 , 'strike' => 1 , 'u' => 1 ); // Deprecated
if ( $C [ 'make_tag_strict' ] && isset ( $eD [ $e ])){
$trt = htmLawed :: hl_tag2 ( $e , $a , $C [ 'make_tag_strict' ]);
if ( ! $e ){ return (( $C [ 'keep_bad' ] % 2 ) ? str_replace ( array ( '<' , '>' ), array ( '<' , '>' ), $t ) : '' );}
}
// close tag
static $eE = array ( 'area' => 1 , 'br' => 1 , 'col' => 1 , 'embed' => 1 , 'hr' => 1 , 'img' => 1 , 'input' => 1 , 'isindex' => 1 , 'param' => 1 ); // Empty ele
if ( ! empty ( $m [ 1 ])){
return ( ! isset ( $eE [ $e ]) ? ( empty ( $C [ 'hook_tag' ]) ? " </ $e > " : $C [ 'hook_tag' ]( $e )) : (( $C [ 'keep_bad' ]) % 2 ? str_replace ( array ( '<' , '>' ), array ( '<' , '>' ), $t ) : '' ));
}
// open tag & attr
static $aN = array ( 'abbr' => array ( 'td' => 1 , 'th' => 1 ), 'accept-charset' => array ( 'form' => 1 ), 'accept' => array ( 'form' => 1 , 'input' => 1 ), 'accesskey' => array ( 'a' => 1 , 'area' => 1 , 'button' => 1 , 'input' => 1 , 'label' => 1 , 'legend' => 1 , 'textarea' => 1 ), 'action' => array ( 'form' => 1 ), 'align' => array ( 'caption' => 1 , 'embed' => 1 , 'applet' => 1 , 'iframe' => 1 , 'img' => 1 , 'input' => 1 , 'object' => 1 , 'legend' => 1 , 'table' => 1 , 'hr' => 1 , 'div' => 1 , 'h1' => 1 , 'h2' => 1 , 'h3' => 1 , 'h4' => 1 , 'h5' => 1 , 'h6' => 1 , 'p' => 1 , 'col' => 1 , 'colgroup' => 1 , 'tbody' => 1 , 'td' => 1 , 'tfoot' => 1 , 'th' => 1 , 'thead' => 1 , 'tr' => 1 ), 'alt' => array ( 'applet' => 1 , 'area' => 1 , 'img' => 1 , 'input' => 1 ), 'archive' => array ( 'applet' => 1 , 'object' => 1 ), 'axis' => array ( 'td' => 1 , 'th' => 1 ), 'bgcolor' => array ( 'embed' => 1 , 'table' => 1 , 'tr' => 1 , 'td' => 1 , 'th' => 1 ), 'border' => array ( 'table' => 1 , 'img' => 1 , 'object' => 1 ), 'bordercolor' => array ( 'table' => 1 , 'td' => 1 , 'tr' => 1 ), 'cellpadding' => array ( 'table' => 1 ), 'cellspacing' => array ( 'table' => 1 ), 'char' => array ( 'col' => 1 , 'colgroup' => 1 , 'tbody' => 1 , 'td' => 1 , 'tfoot' => 1 , 'th' => 1 , 'thead' => 1 , 'tr' => 1 ), 'charoff' => array ( 'col' => 1 , 'colgroup' => 1 , 'tbody' => 1 , 'td' => 1 , 'tfoot' => 1 , 'th' => 1 , 'thead' => 1 , 'tr' => 1 ), 'charset' => array ( 'a' => 1 , 'script' => 1 ), 'checked' => array ( 'input' => 1 ), 'cite' => array ( 'blockquote' => 1 , 'q' => 1 , 'del' => 1 , 'ins' => 1 ), 'classid' => array ( 'object' => 1 ), 'clear' => array ( 'br' => 1 ), 'code' => array ( 'applet' => 1 ), 'codebase' => array ( 'object' => 1 , 'applet' => 1 ), 'codetype' => array ( 'object' => 1 ), 'color' => array ( 'font' => 1 ), 'cols' => array ( 'textarea' => 1 ), 'colspan' => array ( 'td' => 1 , 'th' => 1 ), 'compact' => array ( 'dir' => 1 , 'dl' => 1 , 'menu' => 1 , 'ol' => 1 , 'ul' => 1 ), 'coords' => array ( 'area' => 1 , 'a' => 1 ), 'data' => array ( 'object' => 1 ), 'datetime' => array ( 'del' => 1 , 'ins' => 1 ), 'declare' => array ( 'object' => 1 ), 'defer' => array ( 'script' => 1 ), 'dir' => array ( 'bdo' => 1 ), 'disabled' => array ( 'button' => 1 , 'input' => 1 , 'optgroup' => 1 , 'option' => 1 , 'select' => 1 , 'textarea' => 1 ), 'enctype' => array ( 'form' => 1 ), 'face' => array ( 'font' => 1 ), 'for' => array ( 'label' => 1 ), 'frame' => array ( 'table' => 1 ), 'frameborder' => array ( 'iframe' => 1 ), 'headers' => array ( 'td' => 1 , 'th' => 1 ), 'height' => array ( 'embed' => 1 , 'iframe' => 1 , 'td' => 1 , 'th' => 1 , 'img' => 1 , 'object' => 1 , 'applet' => 1 ), 'href' => array ( 'a' => 1 , 'area' => 1 ), 'hreflang' => array ( 'a' => 1 ), 'hspace' => array ( 'applet' => 1 , 'img' => 1 , 'object' => 1 ), 'ismap' => array ( 'img' => 1 , 'input' => 1 ), 'label' => array ( 'option' => 1 , 'optgroup' => 1 ), 'language' => array ( 'script' => 1 ), 'longdesc' => array ( 'img' => 1 , 'iframe' => 1 ), 'marginheight' => array ( 'iframe' => 1 ), 'marginwidth' => array ( 'iframe' => 1 ), 'maxlength' => array ( 'input' => 1 ), 'method' => array ( 'form' => 1 ), 'model' => array ( 'embed' => 1 ), 'multiple' => array ( 'select' => 1 ), 'name' => array ( 'button' => 1 , 'embed' => 1 , 'textarea' => 1 , 'applet' => 1 , 'select' => 1 , 'form' => 1 , 'iframe' => 1 , 'img' => 1 , 'a' => 1 , 'input' => 1 , 'object' => 1 , 'map' => 1 , 'param' => 1 ), 'nohref' => array ( 'area' => 1 ), 'noshade' => array ( 'hr' => 1 ), 'nowrap' => array ( 'td' => 1 , 'th' => 1 ), 'object' => array ( 'applet' => 1 ), 'onblur' => array ( 'a' => 1 , 'area' => 1 , 'button' => 1 , 'input' => 1 , 'label' => 1 , 'select' => 1 , 'textarea' => 1 ), 'onchange' => array ( 'input' => 1 , 'select' => 1 , 'textarea' => 1 ), 'onfocus' => array ( 'a' => 1 , 'area' => 1 , 'button' => 1 , 'input' => 1 , 'label' => 1 , 'select' => 1 , 'textarea' => 1 ), 'onreset' => array ( 'form' => 1 ), 'onselect' => array ( 'input' => 1 , 'textarea' => 1 ), 'onsubmit' => array ( 'form' => 1 ), 'pluginspage' => array ( 'embed' => 1 ), 'pluginurl' => array ( 'embed' => 1 ), 'prompt' => array ( 'isindex' => 1 ), 'readonly' => array ( 'textarea' => 1 , 'input' => 1 ), 'rel' => array ( 'a' => 1 ), 'rev' => array ( 'a' => 1 ), 'rows' => array ( 'textarea' => 1 ), 'rowspan' => array ( 'td' => 1 , 'th' => 1 ), 'rules' => array ( 'table' => 1 ), 'scope' => array ( 'td' => 1 , 'th' => 1 ), 'scrolling' => array ( 'iframe' => 1 ), 'selected' => array ( 'option' => 1 ), 'shape' => array ( 'area' => 1 , 'a' => 1 ), 'size' => array ( 'hr' => 1 , 'font' => 1 , 'input' => 1 , 'select' => 1 ), 'span' => array ( 'col' => 1 , 'colgroup' => 1 ), 'src' => array ( 'embed' => 1 , 'script' => 1 , 'input' => 1 , 'iframe' => 1 , 'img' => 1 ), 'standby' => array ( 'object' => 1 ), 'start' => array ( 'ol' => 1 ), 'summary' => array ( 'table' => 1 ), 'tabindex' => array ( 'a' => 1 , 'area' => 1 , 'button' => 1 , 'input' => 1 , 'object' => 1 , 'select' => 1 , 'textarea' => 1 ), 'target' => array ( 'a' => 1 , 'area' => 1 , 'form' =
static $aNE = array ( 'checked' => 1 , 'compact' => 1 , 'declare' => 1 , 'defer' => 1 , 'disabled' => 1 , 'ismap' => 1 , 'multiple' => 1 , 'nohref' => 1 , 'noresize' => 1 , 'noshade' => 1 , 'nowrap' => 1 , 'readonly' => 1 , 'selected' => 1 ); // Empty
static $aNP = array ( 'action' => 1 , 'cite' => 1 , 'classid' => 1 , 'codebase' => 1 , 'data' => 1 , 'href' => 1 , 'longdesc' => 1 , 'model' => 1 , 'pluginspage' => 1 , 'pluginurl' => 1 , 'usemap' => 1 ); // Need scheme check; excludes style, on* & src
static $aNU = array ( 'class' => array ( 'param' => 1 , 'script' => 1 ), 'dir' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'iframe' => 1 , 'param' => 1 , 'script' => 1 ), 'id' => array ( 'script' => 1 ), 'lang' => array ( 'applet' => 1 , 'br' => 1 , 'iframe' => 1 , 'param' => 1 , 'script' => 1 ), 'xml:lang' => array ( 'applet' => 1 , 'br' => 1 , 'iframe' => 1 , 'param' => 1 , 'script' => 1 ), 'onclick' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'ondblclick' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'onkeydown' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'onkeypress' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'onkeyup' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'onmousedown' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'onmousemove' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'onmouseout' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'onmouseover' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'onmouseup' => array ( 'applet' => 1 , 'bdo' => 1 , 'br' => 1 , 'font' => 1 , 'iframe' => 1 , 'isindex' => 1 , 'param' => 1 , 'script' => 1 ), 'style' => array ( 'param' => 1 , 'script' => 1 ), 'title' => array ( 'param' => 1 , 'script' => 1 )); // Univ & exceptions
if ( $C [ 'lc_std_val' ]){
// predef attr vals for $eAL & $aNE ele
static $aNL = array ( 'all' => 1 , 'baseline' => 1 , 'bottom' => 1 , 'button' => 1 , 'center' => 1 , 'char' => 1 , 'checkbox' => 1 , 'circle' => 1 , 'col' => 1 , 'colgroup' => 1 , 'cols' => 1 , 'data' => 1 , 'default' => 1 , 'file' => 1 , 'get' => 1 , 'groups' => 1 , 'hidden' => 1 , 'image' => 1 , 'justify' => 1 , 'left' => 1 , 'ltr' => 1 , 'middle' => 1 , 'none' => 1 , 'object' => 1 , 'password' => 1 , 'poly' => 1 , 'post' => 1 , 'preserve' => 1 , 'radio' => 1 , 'rect' => 1 , 'ref' => 1 , 'reset' => 1 , 'right' => 1 , 'row' => 1 , 'rowgroup' => 1 , 'rows' => 1 , 'rtl' => 1 , 'submit' => 1 , 'text' => 1 , 'top' => 1 );
static $eAL = array ( 'a' => 1 , 'area' => 1 , 'bdo' => 1 , 'button' => 1 , 'col' => 1 , 'form' => 1 , 'img' => 1 , 'input' => 1 , 'object' => 1 , 'optgroup' => 1 , 'option' => 1 , 'param' => 1 , 'script' => 1 , 'select' => 1 , 'table' => 1 , 'td' => 1 , 'tfoot' => 1 , 'th' => 1 , 'thead' => 1 , 'tr' => 1 , 'xml:space' => 1 );
$lcase = isset ( $eAL [ $e ]) ? 1 : 0 ;
}
$depTr = 0 ;
if ( $C [ 'no_deprecated_attr' ]){
// dep attr:applicable ele
static $aND = array ( 'align' => array ( 'caption' => 1 , 'div' => 1 , 'h1' => 1 , 'h2' => 1 , 'h3' => 1 , 'h4' => 1 , 'h5' => 1 , 'h6' => 1 , 'hr' => 1 , 'img' => 1 , 'input' => 1 , 'legend' => 1 , 'object' => 1 , 'p' => 1 , 'table' => 1 ), 'bgcolor' => array ( 'table' => 1 , 'td' => 1 , 'th' => 1 , 'tr' => 1 ), 'border' => array ( 'img' => 1 , 'object' => 1 ), 'bordercolor' => array ( 'table' => 1 , 'td' => 1 , 'tr' => 1 ), 'clear' => array ( 'br' => 1 ), 'compact' => array ( 'dl' => 1 , 'ol' => 1 , 'ul' => 1 ), 'height' => array ( 'td' => 1 , 'th' => 1 ), 'hspace' => array ( 'img' => 1 , 'object' => 1 ), 'language' => array ( 'script' => 1 ), 'name' => array ( 'a' => 1 , 'form' => 1 , 'iframe' => 1 , 'img' => 1 , 'map' => 1 ), 'noshade' => array ( 'hr' => 1 ), 'nowrap' => array ( 'td' => 1 , 'th' => 1 ), 'size' => array ( 'hr' => 1 ), 'start' => array ( 'ol' => 1 ), 'type' => array ( 'li' => 1 , 'ol' => 1 , 'ul' => 1 ), 'value' => array ( 'li' => 1 ), 'vspace' => array ( 'img' => 1 , 'object' => 1 ), 'width' => array ( 'hr' => 1 , 'pre' => 1 , 'td' => 1 , 'th' => 1 ));
static $eAD = array ( 'a' => 1 , 'br' => 1 , 'caption' => 1 , 'div' => 1 , 'dl' => 1 , 'form' => 1 , 'h1' => 1 , 'h2' => 1 , 'h3' => 1 , 'h4' => 1 , 'h5' => 1 , 'h6' => 1 , 'hr' => 1 , 'iframe' => 1 , 'img' => 1 , 'input' => 1 , 'legend' => 1 , 'li' => 1 , 'map' => 1 , 'object' => 1 , 'ol' => 1 , 'p' => 1 , 'pre' => 1 , 'script' => 1 , 'table' => 1 , 'td' => 1 , 'th' => 1 , 'tr' => 1 , 'ul' => 1 );
$depTr = isset ( $eAD [ $e ]) ? 1 : 0 ;
}
// attr name-vals
if ( strpos ( $a , " \x01 " ) !== false ){ $a = preg_replace ( '`\x01[^\x01]*\x01`' , '' , $a );} // No comment/CDATA sec
$mode = 0 ; $a = trim ( $a , ' /' ); $aA = array ();
while ( strlen ( $a )){
$w = 0 ;
switch ( $mode ){
case 0 : // Name
if ( preg_match ( '`^[a-zA-Z][\-a-zA-Z:]+`' , $a , $m )){
$nm = strtolower ( $m [ 0 ]);
$w = $mode = 1 ; $a = ltrim ( substr_replace ( $a , '' , 0 , strlen ( $m [ 0 ])));
}
break ; case 1 :
if ( $a [ 0 ] == '=' ){ // =
$w = 1 ; $mode = 2 ; $a = ltrim ( $a , '= ' );
} else { // No val
$w = 1 ; $mode = 0 ; $a = ltrim ( $a );
$aA [ $nm ] = '' ;
}
break ; case 2 : // Val
if ( preg_match ( '`^((?:"[^"]*")|(?:\'[^\']*\')|(?:\s*[^\s"\']+))(.*)`' , $a , $m )){
$a = ltrim ( $m [ 2 ]); $m = $m [ 1 ]; $w = 1 ; $mode = 0 ;
$aA [ $nm ] = trim (( $m [ 0 ] == '"' or $m [ 0 ] == '\'' ) ? substr ( $m , 1 , - 1 ) : $m );
}
break ;
}
if ( $w == 0 ){ // Parse errs, deal with space, " & '
$a = preg_replace ( '`^(?:"[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*`' , '' , $a );
$mode = 0 ;
}
}
if ( $mode == 1 ){ $aA [ $nm ] = '' ;}
// clean attrs
global $S ;
$rl = isset ( $S [ $e ]) ? $S [ $e ] : array ();
$a = array (); $nfr = 0 ;
foreach ( $aA as $k => $v ){
if ((( isset ( $C [ 'deny_attribute' ][ '*' ]) ? isset ( $C [ 'deny_attribute' ][ $k ]) : ! isset ( $C [ 'deny_attribute' ][ $k ])) && ( isset ( $aN [ $k ][ $e ]) or ( isset ( $aNU [ $k ]) && ! isset ( $aNU [ $k ][ $e ]))) && ! isset ( $rl [ 'n' ][ $k ]) && ! isset ( $rl [ 'n' ][ '*' ])) or isset ( $rl [ $k ])){
if ( isset ( $aNE [ $k ])){ $v = $k ;}
elseif ( ! empty ( $lcase ) && (( $e != 'button' or $e != 'input' ) or $k == 'type' )){ // Rather loose but ?not cause issues
$v = ( isset ( $aNL [( $v2 = strtolower ( $v ))])) ? $v2 : $v ;
}
if ( $k == 'style' && ! $C [ 'style_pass' ]){
if ( false !== strpos ( $v , '&#' )){
static $sC = array ( ' ' => ' ' , ' ' => ' ' , 'E' => 'e' , 'E' => 'e' , 'e' => 'e' , 'e' => 'e' , 'X' => 'x' , 'X' => 'x' , 'x' => 'x' , 'x' => 'x' , 'P' => 'p' , 'P' => 'p' , 'p' => 'p' , 'p' => 'p' , 'S' => 's' , 'S' => 's' , 's' => 's' , 's' => 's' , 'I' => 'i' , 'I' => 'i' , 'i' => 'i' , 'i' => 'i' , 'O' => 'o' , 'O' => 'o' , 'o' => 'o' , 'o' => 'o' , 'N' => 'n' , 'N' => 'n' , 'n' => 'n' , 'n' => 'n' , 'U' => 'u' , 'U' => 'u' , 'u' => 'u' , 'u' => 'u' , 'R' => 'r' , 'R' => 'r' , 'r' => 'r' , 'r' => 'r' , 'L' => 'l' , 'L' => 'l' , 'l' => 'l' , 'l' => 'l' , '(' => '(' , '(' => '(' , ')' => ')' , ')' => ')' , ' ' => ':' , ' ' => ':' , '"' => '"' , '"' => '"' , ''' => " ' " , ''' => " ' " , '/' => '/' , '/' => '/' , '*' => '*' , '*' => '*' , '\' => '\\' , '\' => '\\' );
$v = strtr ( $v , $sC );
}
$v = preg_replace_callback ( '`(url(?:\()(?: )*(?:\'|"|&(?:quot|apos);)?)(.+?)((?:\'|"|&(?:quot|apos);)?(?: )*(?:\)))`iS' , 'htmLawed::hl_prot' , $v );
$v = ! $C [ 'css_expression' ] ? preg_replace ( '`expression`i' , ' ' , preg_replace ( '`\\\\\S|(/|(%2f))(\*|(%2a))`i' , ' ' , $v )) : $v ;
} elseif ( isset ( $aNP [ $k ]) or strpos ( $k , 'src' ) !== false or $k [ 0 ] == 'o' ){
$v = str_replace ( " \xad " , ' ' , ( strpos ( $v , '&' ) !== false ? str_replace ( array ( '­' , '­' , '­' ), ' ' , $v ) : $v ));
$v = htmLawed :: hl_prot ( $v , $k );
if ( $k == 'href' ){ // X-spam
if ( $C [ 'anti_mail_spam' ] && strpos ( $v , 'mailto:' ) === 0 ){
$v = str_replace ( '@' , htmlspecialchars ( $C [ 'anti_mail_spam' ]), $v );
} elseif ( $C [ 'anti_link_spam' ]){
$r1 = $C [ 'anti_link_spam' ][ 1 ];
if ( ! empty ( $r1 ) && preg_match ( $r1 , $v )){ continue ;}
$r0 = $C [ 'anti_link_spam' ][ 0 ];
if ( ! empty ( $r0 ) && preg_match ( $r0 , $v )){
if ( isset ( $a [ 'rel' ])){
if ( ! preg_match ( '`\bnofollow\b`i' , $a [ 'rel' ])){ $a [ 'rel' ] .= ' nofollow' ;}
} elseif ( isset ( $aA [ 'rel' ])){
if ( ! preg_match ( '`\bnofollow\b`i' , $aA [ 'rel' ])){ $nfr = 1 ;}
} else { $a [ 'rel' ] = 'nofollow' ;}
}
}
}
}
if ( isset ( $rl [ $k ]) && is_array ( $rl [ $k ]) && ( $v = htmLawed :: hl_attrval ( $v , $rl [ $k ])) === 0 ){ continue ;}
$a [ $k ] = str_replace ( '"' , '"' , $v );
}
}
if ( $nfr ){ $a [ 'rel' ] = isset ( $a [ 'rel' ]) ? $a [ 'rel' ] . ' nofollow' : 'nofollow' ;}
// rqd attr
static $eAR = array ( 'area' => array ( 'alt' => 'area' ), 'bdo' => array ( 'dir' => 'ltr' ), 'form' => array ( 'action' => '' ), 'img' => array ( 'src' => '' , 'alt' => 'image' ), 'map' => array ( 'name' => '' ), 'optgroup' => array ( 'label' => '' ), 'param' => array ( 'name' => '' ), 'script' => array ( 'type' => 'text/javascript' ), 'textarea' => array ( 'rows' => '10' , 'cols' => '50' ));
if ( isset ( $eAR [ $e ])){
foreach ( $eAR [ $e ] as $k => $v ){
if ( ! isset ( $a [ $k ])){ $a [ $k ] = isset ( $v [ 0 ]) ? $v : $k ;}
}
}
// depr attrs
if ( $depTr ){
$c = array ();
foreach ( $a as $k => $v ){
if ( $k == 'style' or ! isset ( $aND [ $k ][ $e ])){ continue ;}
if ( $k == 'align' ){
unset ( $a [ 'align' ]);
if ( $e == 'img' && ( $v == 'left' or $v == 'right' )){ $c [] = 'float: ' . $v ;}
elseif (( $e == 'div' or $e == 'table' ) && $v == 'center' ){ $c [] = 'margin: auto' ;}
else { $c [] = 'text-align: ' . $v ;}
} elseif ( $k == 'bgcolor' ){
unset ( $a [ 'bgcolor' ]);
$c [] = 'background-color: ' . $v ;
} elseif ( $k == 'border' ){
unset ( $a [ 'border' ]); $c [] = " border: { $v } px " ;
} elseif ( $k == 'bordercolor' ){
unset ( $a [ 'bordercolor' ]); $c [] = 'border-color: ' . $v ;
} elseif ( $k == 'clear' ){
unset ( $a [ 'clear' ]); $c [] = 'clear: ' . ( $v != 'all' ? $v : 'both' );
} elseif ( $k == 'compact' ){
unset ( $a [ 'compact' ]); $c [] = 'font-size: 85%' ;
} elseif ( $k == 'height' or $k == 'width' ){
unset ( $a [ $k ]); $c [] = $k . ': ' . ( $v [ 0 ] != '*' ? $v . ( ctype_digit ( $v ) ? 'px' : '' ) : 'auto' );
} elseif ( $k == 'hspace' ){
unset ( $a [ 'hspace' ]); $c [] = " margin-left: { $v } px; margin-right: { $v } px " ;
} elseif ( $k == 'language' && ! isset ( $a [ 'type' ])){
unset ( $a [ 'language' ]);
$a [ 'type' ] = 'text/' . strtolower ( $v );
} elseif ( $k == 'name' ){
if ( $C [ 'no_deprecated_attr' ] == 2 or ( $e != 'a' && $e != 'map' )){ unset ( $a [ 'name' ]);}
if ( ! isset ( $a [ 'id' ]) && preg_match ( '`[a-zA-Z][a-zA-Z\d.:_\-]*`' , $v )){ $a [ 'id' ] = $v ;}
} elseif ( $k == 'noshade' ){
unset ( $a [ 'noshade' ]); $c [] = 'border-style: none; border: 0; background-color: gray; color: gray' ;
} elseif ( $k == 'nowrap' ){
unset ( $a [ 'nowrap' ]); $c [] = 'white-space: nowrap' ;
} elseif ( $k == 'size' ){
unset ( $a [ 'size' ]); $c [] = 'size: ' . $v . 'px' ;
} elseif ( $k == 'start' or $k == 'value' ){
unset ( $a [ $k ]);
} elseif ( $k == 'type' ){
unset ( $a [ 'type' ]);
static $ol_type = array ( 'i' => 'lower-roman' , 'I' => 'upper-roman' , 'a' => 'lower-latin' , 'A' => 'upper-latin' , '1' => 'decimal' );
$c [] = 'list-style-type: ' . ( isset ( $ol_type [ $v ]) ? $ol_type [ $v ] : 'decimal' );
} elseif ( $k == 'vspace' ){
unset ( $a [ 'vspace' ]); $c [] = " margin-top: { $v } px; margin-bottom: { $v } px " ;
}
}
if ( count ( $c )){
$c = implode ( '; ' , $c );
$a [ 'style' ] = isset ( $a [ 'style' ]) ? rtrim ( $a [ 'style' ], ' ;' ) . '; ' . $c . ';' : $c . ';' ;
}
}
// unique ID
if ( $C [ 'unique_ids' ] && isset ( $a [ 'id' ])){
if ( ! preg_match ( '`^[A-Za-z][A-Za-z0-9_\-.:]*$`' , ( $id = $a [ 'id' ])) or ( isset ( $GLOBALS [ 'hl_Ids' ][ $id ]) && $C [ 'unique_ids' ] == 1 )){ unset ( $a [ 'id' ]);
} else {
while ( isset ( $GLOBALS [ 'hl_Ids' ][ $id ])){ $id = $C [ 'unique_ids' ] . $id ;}
$GLOBALS [ 'hl_Ids' ][( $a [ 'id' ] = $id )] = 1 ;
}
}
// xml:lang
if ( $C [ 'xml:lang' ] && isset ( $a [ 'lang' ])){
$a [ 'xml:lang' ] = isset ( $a [ 'xml:lang' ]) ? $a [ 'xml:lang' ] : $a [ 'lang' ];
if ( $C [ 'xml:lang' ] == 2 ){ unset ( $a [ 'lang' ]);}
}
// for transformed tag
if ( ! empty ( $trt )){
$a [ 'style' ] = isset ( $a [ 'style' ]) ? rtrim ( $a [ 'style' ], ' ;' ) . '; ' . $trt : $trt ;
}
// return with empty ele /
if ( empty ( $C [ 'hook_tag' ])){
$aA = '' ;
foreach ( $a as $k => $v ){ $aA .= " { $k } = \" { $v } \" " ;}
return " < { $e } { $aA } " . ( isset ( $eE [ $e ]) ? ' /' : '' ) . '>' ;
}
else { return $C [ 'hook_tag' ]( $e , $a );}
// eof
}
public static function hl_tag2 ( & $e , & $a , $t = 1 ){
// transform tag
if ( $e == 'center' ){ $e = 'div' ; return 'text-align: center;' ;}
if ( $e == 'dir' or $e == 'menu' ){ $e = 'ul' ; return '' ;}
if ( $e == 's' or $e == 'strike' ){ $e = 'span' ; return 'text-decoration: line-through;' ;}
if ( $e == 'u' ){ $e = 'span' ; return 'text-decoration: underline;' ;}
static $fs = array ( '0' => 'xx-small' , '1' => 'xx-small' , '2' => 'small' , '3' => 'medium' , '4' => 'large' , '5' => 'x-large' , '6' => 'xx-large' , '7' => '300%' , '-1' => 'smaller' , '-2' => '60%' , '+1' => 'larger' , '+2' => '150%' , '+3' => '200%' , '+4' => '300%' );
if ( $e == 'font' ){
$a2 = '' ;
if ( preg_match ( '`face\s*=\s*(\'|")([^=]+?)\\1`i' , $a , $m ) or preg_match ( '`face\s*=(\s*)(\S+)`i' , $a , $m )){
$a2 .= ' font-family: ' . str_replace ( '"' , '\'' , trim ( $m [ 2 ])) . ';' ;
}
if ( preg_match ( '`color\s*=\s*(\'|")?(.+?)(\\1|\s|$)`i' , $a , $m )){
$a2 .= ' color: ' . trim ( $m [ 2 ]) . ';' ;
}
if ( preg_match ( '`size\s*=\s*(\'|")?(.+?)(\\1|\s|$)`i' , $a , $m ) && isset ( $fs [( $m = trim ( $m [ 2 ]))])){
$a2 .= ' font-size: ' . $fs [ $m ] . ';' ;
}
$e = 'span' ; return ltrim ( $a2 );
}
if ( $t == 2 ){ $e = 0 ; return 0 ;}
return '' ;
// eof
}
public static function hl_tidy ( $t , $w , $p ){
// Tidy/compact HTM
if ( strpos ( ' pre,script,textarea' , " $p , " )){ return $t ;}
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$t = preg_replace ( '`\s+`' , ' ' , preg_replace_callback ( array ( '`(<(!\[CDATA\[))(.+?)(\]\]>)`sm' , '`(<(!--))(.+?)(-->)`sm' , '`(<(pre|script|textarea)[^>]*?>)(.+?)(</\2>)`sm' ), create_function ( '$m' , 'return $m[1]. str_replace(array("<", ">", "\n", "\r", "\t", " "), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), $m[3]). $m[4];' ), $t ));
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if (( $w = strtolower ( $w )) == - 1 ){
return str_replace ( array ( " \x01 " , " \x02 " , " \x03 " , " \x04 " , " \x05 " , " \x07 " ), array ( '<' , '>' , " \n " , " \r " , " \t " , ' ' ), $t );
}
$s = strpos ( " $w " , 't' ) ? " \t " : ' ' ;
$s = preg_match ( '`\d`' , $w , $m ) ? str_repeat ( $s , $m [ 0 ]) : str_repeat ( $s , ( $s == " \t " ? 1 : 2 ));
$N = preg_match ( '`[ts]([1-9])`' , $w , $m ) ? $m [ 1 ] : 0 ;
$a = array ( 'br' => 1 );
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$b = array ( 'button' => 1 , 'input' => 1 , 'option' => 1 , 'param' => 1 );
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$c = array ( 'caption' => 1 , 'dd' => 1 , 'dt' => 1 , 'h1' => 1 , 'h2' => 1 , 'h3' => 1 , 'h4' => 1 , 'h5' => 1 , 'h6' => 1 , 'isindex' => 1 , 'label' => 1 , 'legend' => 1 , 'li' => 1 , 'object' => 1 , 'p' => 1 , 'pre' => 1 , 'td' => 1 , 'textarea' => 1 , 'th' => 1 );
$d = array ( 'address' => 1 , 'blockquote' => 1 , 'center' => 1 , 'colgroup' => 1 , 'dir' => 1 , 'div' => 1 , 'dl' => 1 , 'fieldset' => 1 , 'form' => 1 , 'hr' => 1 , 'iframe' => 1 , 'map' => 1 , 'menu' => 1 , 'noscript' => 1 , 'ol' => 1 , 'optgroup' => 1 , 'rbc' => 1 , 'rtc' => 1 , 'ruby' => 1 , 'script' => 1 , 'select' => 1 , 'table' => 1 , 'tbody' => 1 , 'tfoot' => 1 , 'thead' => 1 , 'tr' => 1 , 'ul' => 1 );
$T = explode ( '<' , $t );
$X = 1 ;
while ( $X ){
$n = $N ;
$t = $T ;
ob_start ();
if ( isset ( $d [ $p ])){ echo str_repeat ( $s , ++ $n );}
echo ltrim ( array_shift ( $t ));
for ( $i =- 1 , $j = count ( $t ); ++ $i < $j ;){
$r = '' ; list ( $e , $r ) = explode ( '>' , $t [ $i ]);
$x = $e [ 0 ] == '/' ? 0 : ( substr ( $e , - 1 ) == '/' ? 1 : ( $e [ 0 ] != '!' ? 2 : - 1 ));
$y = ! $x ? ltrim ( $e , '/' ) : ( $x > 0 ? substr ( $e , 0 , strcspn ( $e , ' ' )) : 0 );
$e = " < $e > " ;
if ( isset ( $d [ $y ])){
if ( ! $x ){
if ( $n ){ echo " \n " , str_repeat ( $s , -- $n ), " $e\n " , str_repeat ( $s , $n );}
else { ++ $N ; ob_end_clean (); continue 2 ;}
}
else { echo " \n " , str_repeat ( $s , $n ), " $e\n " , str_repeat ( $s , ( $x != 1 ? ++ $n : $n ));}
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echo $r ; continue ;
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}
$f = " \n " . str_repeat ( $s , $n );
if ( isset ( $c [ $y ])){
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if ( ! $x ){ echo $e , $f , $r ;}
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else { echo $f , $e , $r ;}
} elseif ( isset ( $b [ $y ])){ echo $f , $e , $r ;
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} elseif ( isset ( $a [ $y ])){ echo $e , $f , $r ;
} elseif ( ! $y ){ echo $f , $e , $f , $r ;
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} else { echo $e , $r ;}
}
$X = 0 ;
}
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$t = str_replace ( array ( " \n " , " \n " ), " \n " , preg_replace ( '`[\n]\s*?[\n]+`' , " \n " , ob_get_contents ()));
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ob_end_clean ();
if (( $l = strpos ( " $w " , 'r' ) ? ( strpos ( " $w " , 'n' ) ? " \r \n " : " \r " ) : 0 )){
$t = str_replace ( " \n " , $l , $t );
}
return str_replace ( array ( " \x01 " , " \x02 " , " \x03 " , " \x04 " , " \x05 " , " \x07 " ), array ( '<' , '>' , " \n " , " \r " , " \t " , ' ' ), $t );
// eof
}
public static function hl_version (){
// rel
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return '1.1.17' ;
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// eof
}
public static function kses ( $t , $h , $p = array ( 'http' , 'https' , 'ftp' , 'news' , 'nntp' , 'telnet' , 'gopher' , 'mailto' )){
// kses compat
foreach ( $h as $k => $v ){
$h [ $k ][ 'n' ][ '*' ] = 1 ;
}
$C [ 'cdata' ] = $C [ 'comment' ] = $C [ 'make_tag_strict' ] = $C [ 'no_deprecated_attr' ] = $C [ 'unique_ids' ] = 0 ;
$C [ 'keep_bad' ] = 1 ;
$C [ 'elements' ] = count ( $h ) ? strtolower ( implode ( ',' , array_keys ( $h ))) : '-*' ;
$C [ 'hook' ] = 'htmLawed::kses_hook' ;
$C [ 'schemes' ] = '*:' . implode ( ',' , $p );
return htmLawed :: hl ( $t , $C , $h );
// eof
}
public static function kses_hook ( $t , & $C , & $S ){
// kses compat
return $t ;
// eof
}
// end class
}
