1 files changed, 77 insertions, 0 deletions
diff --git a/smartyplugins/modifier.highlight.php b/smartyplugins/modifier.highlight.php
new file mode 100644
index 0000000..be9c764
--- /dev/null
+++ b/smartyplugins/modifier.highlight.php
@@ -0,0 +1,77 @@
+<?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;
+}