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Revision 886

Added by thorn almost 17 years ago

fixed two issues with searchresult-highlighting: do not highlight in 

/-tags, do not convert < to < anymore.

View differences:

frontend.functions.php
67 67 
}
68 68 

  		




  69
  69
  
    
//function to highlight search results


  		




  70
  
  
    
if (!function_exists('search_highlight')) {


  		




  
  70
  
    
if(!function_exists('search_highlight')) {


  		




  71
  71
  
    
function search_highlight($foo='', $arr_string=array()) {


  		




  72
  72
  
    
	require_once(WB_PATH.'/framework/functions.php');


  		




  73
  73
  
    
	static $string_ul_umlaut = FALSE;


  		




  ......




  75
  75
  
    
	if($string_ul_umlaut===FALSE || $string_ul_regex===FALSE)


  		




  76
  76
  
    
		require(WB_PATH.'/search/search_convert.php');


  		




  77
  77
  
    
	$foo = entities_to_umlauts($foo, 'UTF-8');


  		




  78
  
  
    
	array_walk($arr_string, create_function('&$v,$k','$v = preg_quote($v, \'/\');'));


  		




  
  78
  
    
	array_walk($arr_string, create_function('&$v,$k','$v = preg_quote($v, \'~\');'));


  		




  79
  79
  
    
	$search_string = implode("|", $arr_string);


  		




  80
  80
  
    
	$string = str_replace($string_ul_umlaut, $string_ul_regex, $search_string);


  		




  81
  81
  
    
	// the highlighting


  		




  82
  82
  
    
	// match $string, but not inside <style>...</style>, <script>...</script>, <!--...--> or HTML-Tags


  		




  83
  83
  
    
	// split $string into pieces - "cut away" styles, scripts, comments, HTML-tags and eMail-addresses


  		




  
  84
  
    
	// we have to cut <pre> and <code> as well.


  		




  84
  85
  
    
	// for HTML-Tags use <(?:[^<]|<.*>)*> which will match strings like <input ... value="<b>value</b>" >


  		




  85
  
  
    
	$matches = preg_split("/(<style.*<\/style>|<script.*<\/script>|<!--.*-->|<(?:[^<]|<.*>)*>|\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,8}\b)/iUs",$foo,-1,(PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY));


  		




  
  86
  
    
	$matches = preg_split("~(<style.*</style>|<script.*</script>|<pre.*</pre>|<code.*</code>|<!--.*-->|<(?:[^<]|<.*>)*>|\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,8}\b)~iUs",$foo,-1,(PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY));


  		




  86
  87
  
    
	if(is_array($matches) && $matches != array()) {


  		




  87
  88
  
    
		$foo = "";


  		




  88
  89
  
    
		foreach($matches as $match) {


  		




  89
  90
  
    
			if($match{0}!="<" && !preg_match('/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,8}$/i', $match)) {


  		




  90
  91
  
    
				$match = str_replace(array('&lt;', '&gt;', '&amp;', '&quot;', '&#039;', '&nbsp;'), array('<', '>', '&', '"', '\'', "\xC2\xA0"), $match);


  		




  91
  
  
    
				$match = preg_replace('/('.$string.')/ui', '_span class=_highlight__$1_/span_',$match);


  		




  92
  
  
    
				$match = str_replace(array('<', '>', '&', '"', '\'', "\xC2\xA0"), array('&lt;', '&gt;', '&amp;', '&quot;', '&#039;', '&nbsp;'), $match);


  		




  
  92
  
    
				$match = preg_replace('~('.$string.')~ui', '_span class=_highlight__$1_/span_',$match);


  		




  
  93
  
    
				$match = str_replace(array('&', '<', '>', '"', '\'', "\xC2\xA0"), array('&amp;', '&lt;', '&gt;', '&quot;', '&#039;', '&nbsp;'), $match);


  		




  93
  94
  
    
				$match = str_replace(array('_span class=_highlight__', '_/span_'), array('<span class="highlight">', '</span>'), $match);


  		




  94
  95
  
    
			}


  		




  95
  96
  
    
			$foo .= $match;


  		












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