/// <summary>
/// Write all frames to specific TagStream
/// </summary>
/// <param name="writer">TagStream to write data to</param>
/// <param name="Ver">Minor Version of ID3</param>
private void WriteFrames(int Ver)
{
foreach (FrameCollectionBase Coll in _CollectionFrames.Values)
{
if (Coll.Name != CollectionIndex.Unknown.ToString() ||
(Coll.Name == CollectionIndex.Unknown.ToString() && !_DropUnknown))
{
foreach (Frame Fr in Coll)
{
// If Frame is not valid and is not UserTextFrame we ignore it
if (!FramesInfo.IsCompatible(Fr.FrameID, Ver) && FramesInfo.IsTextFrame(Fr.FrameID, Ver) != 2)
{
AddError(new ID3Exception("nonCompatible Frame found on Frames and will not save with file", Fr.FrameID, ExceptionLevels.Warning));
continue;
}
if (Fr.IsValid)
{
Fr.WriteData(Ver);
}
}
}
}
foreach (Frame Fr in _SingleFrames.Values)
{
if (FramesInfo.IsCompatible(Fr.FrameID, Ver) && Fr.IsValid)
{
Fr.WriteData(Ver);
}
}
}
/// <summary>
/// Create new TextFrame with specific information
/// </summary>
/// <param name="Text">Text of TextFrame</param>
/// <param name="TextEncoding">TextEncoding of TextFrame</param>
/// <param name="FrameID">FrameID of TextFrame</param>
/// <param name="Flags">Flags of Frame</param>
public TextFrame(string FrameID, FrameFlags Flags, string Text, TextEncodings TextEncoding,
int Ver)
: base(FrameID, Flags)
{
if (FramesInfo.IsTextFrame(FrameID, Ver) != 1)
{
throw (new ArgumentException(FrameID + " is not valid TextFrame FrameID"));
}
this.Text = Text;
this.TextEncoding = TextEncoding;
}
/// <summary>
/// Create new UserTextFrame from specific information
/// </summary>
/// <param name="FrameID">FrameID of frame</param>
/// <param name="Flags">Frame flags</param>
/// <param name="Text">Frame text</param>
/// <param name="Description">Frame description</param>
/// <param name="TextEncoding">TextEncoding of texts</param>
/// <param name="Ver">Minor version of ID3v2</param>
public UserTextFrame(string FrameID, FrameFlags Flags, string Text,
string Description, TextEncodings TextEncoding, int Ver)
: base(FrameID, Flags)
{
if (FramesInfo.IsTextFrame(FrameID, Ver) != 2)
{
throw (new ArgumentException(FrameID + " is not valid for UserTextFrame class"));
}
this.Text = Text;
this.TextEncoding = TextEncoding;
this.Description = Description;
}
/// <summary>
/// Add Frame information to where it must store
/// </summary>
/// <param name="Data">FileStream contain Frame</param>
/// <param name="FrameID">FrameID of frame</param>
/// <param name="Length">Maximum available length to read</param>
/// <param name="Flags">Flags of frame</param>
private bool AddFrame(string FrameID, int Length, FrameFlags Flags, Stream FS)
{
// NOTE: All FrameIDs must be capital letters
if (!FramesInfo.IsValidFrameID(FrameID))
{
AddError(new ID3Exception("nonValid Frame found and dropped", FrameID, ExceptionLevels.Repaired));
return(false);
}
int IsText = FramesInfo.IsTextFrame(FrameID, _Version.Minor);
if (IsText == 1)
{
TextFrame TempTextFrame = new TextFrame(FrameID, Flags, Length, FS);
if (TempTextFrame.IsValid && !TextFrames.ContainsKey(FrameID))
{
TextFrames.Add(FrameID, TempTextFrame);
return(true);
}
return(false);
}
else if (IsText == 2)
{
UserTextFrame TempUserTextFrame = new UserTextFrame(FrameID, Flags, Length, FS);
if (TempUserTextFrame.IsValid && FrameID != "TXXX" && !UserTextFrames.ContainsKey(FrameID))
{
UserTextFrames.Add(FrameID, TempUserTextFrame);
return(true);
}
return(false);
}
else if (FrameID == "LINK")
{
LinkFrame LF = new LinkFrame(FrameID, Flags, Length, FS);
if (LF.IsValid && !LinkFrames.ContainsKey(FrameID))
{
LinkFrames.Add(FrameID, LF);
if (_LoadLinkedFrames)
{
LoadFrameFromFile(LF.FrameIdentifier, LF.URL); return(true);
}
}
else
{
AddError(LF.Exception);
}
}
Frame F = null;
if (!FramesInfo.ExcludedList.Any(t => t == FrameID))
{
FrameInfo Info = FramesInfo.GetFrame(FrameID);
if (Info == null || Info.ClassType == null)
{
AddError(new ID3Exception("Unknown Frame found and dropped according to setting", FrameID, ExceptionLevels.Warning));
return(true);
}
try
{
F = Info.Constuctor(FrameID, Flags, Length, TStream.FS);
}
catch { }
try
{
if (Info.IsSingle)
{
if (_SingleFrames.Contains(FrameID))
{
_SingleFrames.Remove(FrameID);
}
_SingleFrames.Add(FrameID, F);
return(true);
}
else
{
foreach (FrameCollectionBase Coll in _CollectionFrames.Values)
{
if (Coll.CollectionType == Info.ClassType)
{
Coll.Remove(F.FrameID);
Coll.Add(F.FrameID, F);
return(true);
}
}
}
AddError(new ID3Exception("ClassType not found in Collection list", FrameID, ExceptionLevels.Error));
}
catch {}
}
return(false);
}