magpie: do some scrubbing on rss before parsing (patch from zoop@forums)

functions.js

@@ -1541,7 +1541,9 @@ function infobox_callback() {
 			var shadow = document.getElementById('infoBoxShadow');
 			if (box) {			
 
-				new Draggable(shadow);
+				if (!is_safari()) {
+					new Draggable(shadow);
+				}
 
 				box.innerHTML=xmlhttp.responseText;			
 				if (shadow) {

magpierss/rss_fetch.inc

@@ -279,6 +279,33 @@ function _fetch_remote_file ($url, $headers = "" ) {
 
 }
 
+function _convert_entities ($string) {
+	# Source: http://www.w3.org/TR/REC-html40/sgml/entities.html
+	$html_entities = array(
+		"&nbsp",   "&iexcl",  "&cent",   "&pound",  "&curren", "&yen",    "&brvbar", "&sect",   "&uml",    "&copy",
+		"&ordf",   "&laquo",  "&not",    "&shy",    "&reg",    "&macr",   "&deg",    "&plusmn", "&sup2",   "&sup3",
+		"&acute",  "&micro",  "&para",   "&middot", "&cedil",  "&sup1",   "&ordm",   "&raquo",  "&frac14", "&frac12",
+		"&frac34", "&iquest", "&Agrave", "&Aacute", "&Acirc",  "&Atilde", "&Auml",   "&Aring",  "&AElig",  "&Ccedil",
+		"&Egrave", "&Eacute", "&Ecirc",  "&Euml",   "&Igrave", "&Iacute", "&Icirc",  "&Iuml",   "&ETH",    "&Ntilde",
+		"&Ograve", "&Oacute", "&Ocirc",  "&Otilde", "&Ouml",   "&times",  "&Oslash", "&Ugrave", "&Uacute", "&Ucirc",
+		"&Uuml",   "&Yacute", "&THORN",  "&szlig",  "&agrave", "&aacute", "&acirc",  "&atilde", "&auml",   "&aring",
+		"&aelig",  "&ccedil", "&egrave", "&eacute", "&ecirc",  "&euml",   "&igrave", "&iacute", "&icirc",  "&iuml",
+		"&eth",    "&ntilde", "&ograve", "&oacute", "&ocirc",  "&otilde", "&ouml",   "&divide", "&oslash", "&ugrave",
+		"&uacute", "&ucirc",  "&uuml",   "&yacute", "&thorn",  "&yuml",);
+	$numeric_entities = array(
+		" ", "¡", "¢", "£", "¤", "¥", "¦", "§", "¨", "©",
+		"ª", "«", "¬", "­", "®", "¯", "°", "±", "²", "³",
+		"´", "µ", "¶", "·", "¸", "¹", "º", "»", "¼", "½",
+		"¾", "¿", "À", "Á", "Â", "Ã", "Ä", "Å", "Æ", "Ç",
+		"È", "É", "Ê", "Ë", "Ì", "Í", "Î", "Ï", "Ð", "Ñ",
+		"Ò", "Ó", "Ô", "Õ", "Ö", "×", "Ø", "Ù", "Ú", "Û",
+		"Ü", "Ý", "Þ", "ß", "à", "á", "â", "ã", "ä", "å",
+		"æ", "ç", "è", "é", "ê", "ë", "ì", "í", "î", "ï",
+		"ð", "ñ", "ò", "ó", "ô", "õ", "ö", "÷", "ø", "ù",
+		"ú", "û", "ü", "ý", "þ", "ÿ");
+	return str_replace($html_entities, $numeric_entities, $string);
+}
+
 /*=======================================================================*\
     Function:   _response_to_rss
     Purpose:    parse an HTTP response object into an RSS object
@@ -286,7 +313,8 @@ function _fetch_remote_file ($url, $headers = "" ) {
     Output:     parsed RSS object (see rss_parse)
 \*=======================================================================*/
 function _response_to_rss ($resp) {
-    $rss = new MagpieRSS( $resp->results, MAGPIE_OUTPUT_ENCODING, MAGPIE_INPUT_ENCODING, MAGPIE_DETECT_ENCODING );
+    $converted_source = _convert_entities(mb_convert_encoding($resp->results, "UTF-8", mb_detect_encoding($resp->results)));
+    $rss = new MagpieRSS( $converted_source, MAGPIE_OUTPUT_ENCODING, "UTF-8", false);
     
     // if RSS parsed successfully       
     if ( $rss and !$rss->ERROR) {