Changed the Fetch-method on the Parser so it supports local files

helpers/SG_iCal_Parser.php

@@ -23,13 +23,26 @@ class SG_iCal_Parser {
 	}
 	
 	/**
-	 * Fetches url and stores it in the content member
+	 * Fetches a resource and tries to make sure it's UTF8
+	 * encoded
 	 * @return string
 	 */
-	protected static function Fetch( $url ) {
-		$c = curl_init();
+	protected static function Fetch( $resource ) {
 		$is_utf8 = true;
-		curl_setopt($c, CURLOPT_URL, $url);
+		
+		if( is_file( $resource ) ) {
+			// The resource is a local file
+			$content = file_get_contents($resource);
+
+			if( ! self::_ValidUtf8( $content ) ) {
+				// The file doesn't appear to be UTF8
+				$is_utf8 = false;
+			}
+		} else {
+			// The resource isn't local, so it's assumed to
+			// be a URL
+			$c = curl_init();
+			curl_setopt($c, CURLOPT_URL, $resource);
 			curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
 			if( !ini_get('safe_mode') ){
 				curl_setopt($c, CURLOPT_FOLLOWLOCATION, true);
@@ -45,6 +58,7 @@ class SG_iCal_Parser {
 				// The data isn't utf-8
 				$is_utf8 = false;
 			}
+		}
 		
 		if( !$is_utf8 ) {
 			$content = utf8_encode($content);