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<?php
namespace Bitweaver\Plugins;
use Bitweaver\KernelTools;
function smarty_modifier_highlight( $source ) {
global $gBitSystem, $gBitSmarty;
if ( empty($_REQUEST['highlight']) ) return $source;
if( !$gBitSystem->isFeatureActive( 'themes_output_highlighting' ) ) {
return $source;
}
$colorArr = [ '#ffffcc', '#ffcccc', '#a0ffff', '#ffccff', '#ccffcc' ];
$find = [
"!(\s|^)%(\s|$)!",
"!(\s|^)#(\s|$)!",
"!(\s|^)@(\s|$)!",
"!(\s|^):(\s|$)!",
"!(\s|^)&(\s|$)!",
];
$words = trim( preg_replace( $find, "$1$2", urldecode( $_REQUEST['highlight'] ?? '' )));
if( empty( $words )) {
return $source;
}
$highlight = $source;
$patterns = [
"!<script[^>]+>.*?</script>!is" => "@@@##########:#########%:#########&@@@",
"!<div class=.?maketoc[^>]*>.*?</div>!si" => "@@@##########:#########%:#########@@@@",
"'<[\/\!]*?[^<>]*?>'si" => "@@@##########:#########%:#########:@@@",
];
ksort( $patterns );
foreach( $patterns as $pattern => $replace ) {
preg_match_all( $pattern, $highlight, $match );
$matches[$replace] = $match[0];
$highlight = preg_replace( $pattern, $replace, $highlight );
}
$wordArr = [];
$pattern = '#"([^"]*)"#';
if( preg_match_all( $pattern, $words, $ms ) ) {
$wordArr = $ms[1];
$words = preg_replace( $pattern, "", $words );
}
$words = preg_replace( "!\s+!", " ", $words );
if( !empty( $words ) ) {
$wordArr = array_merge( $wordArr, explode( ' ', strip_tags($words) ) );
}
$i = 0;
$wordList = KernelTools::tra( "Highlighted words" ).': ';
foreach ( $wordArr as $word ) {
$wordList .= '<span style="font-weight:bold;color:black;background-color:'.$colorArr[$i].';">'.$word.'</span> ';
$highlight = preg_replace( "/(".preg_quote( $word, '/' ).")/si", '<span style="font-weight:bold;color:black;background-color:'.$colorArr[$i++].';">$1</span>', $highlight );
}
krsort( $patterns );
foreach( $patterns as $pattern ) {
foreach( $matches[$pattern] as $insert ) {
$highlight = preg_replace( "!{$pattern}!", $insert, $highlight, 1 );
}
}
$source = $highlight;
$gBitSmarty->assign( 'highlightWordList', "<div class=\"wordlist\">$wordList</div>" );
return $source;
}
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