/// <summary>
 /// Returns a collection of source ranges that belongs to the document passed as parameter
 /// </summary>
 /// <param name="document"></param>
 /// <param name="ranges"></param>
 /// <returns></returns>
 private static SourceRangeCollection getDocumentRanges(TextDocument document, FileSourceRangeCollection ranges)
 {
   SourceRangeCollection ranges2 = new SourceRangeCollection(document);
   if ((document != null) && (ranges != null))
   {
       foreach (FileSourceRange range in ranges)
       {
           TextDocument textDocument = getTextDocument(range.File);
           if ((textDocument == null) || (textDocument != document))
           {
               continue;
           }
           ranges2.Add(range.Range);
       }
   }
   return ranges2;
 }
        /// <summary>
        /// Returns a collection of source ranges that belongs to the document passed as parameter
        /// </summary>
        /// <param name="document"></param>
        /// <param name="ranges"></param>
        /// <returns></returns>
        private static SourceRangeCollection getDocumentRanges(TextDocument document, FileSourceRangeCollection ranges)
        {
            SourceRangeCollection ranges2 = new SourceRangeCollection(document);

            if ((document != null) && (ranges != null))
            {
                foreach (FileSourceRange range in ranges)
                {
                    TextDocument textDocument = getTextDocument(range.File);
                    if ((textDocument == null) || (textDocument != document))
                    {
                        continue;
                    }
                    ranges2.Add(range.Range);
                }
            }
            return(ranges2);
        }