Achamenes.ID3.TagBase.Read C# (CSharp) Method

		private ID3v2MajorVersion Read(Stream stream, FrameParserFactory frameParserFactory)
		{
			TagHeader header=TagHeader.FromStream(stream);
			if(header==null)
			{
				throw new FatalException("No ID3 v2 tag is attached to this file.");
			}
			if(!Enum.IsDefined(typeof(ID3v2MajorVersion),header.MajorVersion) )
			{
				throw new FatalException("Reading this major version of ID3 v2 is not supported.");
			}
			if(header.Flags!=TagHeaderFlags.None)
			{
				throw new FatalException("Reading tags with with any set flags are not supported in this version.");
			}
			long startingPosition=stream.Position;
			while(stream.Position-startingPosition <header.TagSize)
			{
				long beginPosition=stream.Position;
				Frame frame=null;
				string frameID="";
				try
				{					
					frame=FrameParser.Parse(stream, (ID3v2MajorVersion)header.MajorVersion, frameParserFactory, out frameID);
					if(frame==null)
					{
						break;
					}
				}
				catch(NonFatalException ex)
				{
					RaiseReadingWarning(ex,frameID);
				}
				if(beginPosition==stream.Position) // Probably stuck in an infinite loop because of corrupt data in file. Exit the loop.
				{
					break;
				}
				if(frame!=null)
				{
					this.Frames.Add(frame);
				}				
			}
			return (ID3v2MajorVersion)header.MajorVersion;
		}