private void FrameAdd(object sender, ListItemAddEventArgs<Id3v2Frame> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
string identifier = Id3v2Frame.GetIdentifier<Id3v2MusicCdIdentifierFrame>(e.Item.Version);
if ((e.Item is Id3v2MusicCdIdentifierFrame || String.Equals(e.Item.Identifier, identifier, StringComparison.OrdinalIgnoreCase))
&& TrackNumber == null)
{
// The 'Music CD Identifier' frame requires a present and valid TRCK frame.
throw new InvalidOperationException(
"TrackNumber frame is required to be present and valid before adding a MusicCdIdentifier frame, even if the CD's only got one track.");
}
if (Version >= Id3v2Version.Id3v240)
{
identifier = Id3v2Frame.GetIdentifier<Id3v2AudioSeekPointIndexFrame>(e.Item.Version);
if ((e.Item is Id3v2AudioSeekPointIndexFrame || String.Equals(e.Item.Identifier, identifier, StringComparison.OrdinalIgnoreCase))
&& Length == null)
{
// The presence of an 'Audio seek point index' frame requires the existence of a TLEN frame, indicating the duration of the file in milliseconds.
throw new InvalidOperationException("Length frame is required to be present before adding an audio seek point index frame.");
}
}
}
private static void ChannelInformationAdd(object sender, ListItemAddEventArgs<Id3v2ChannelInformation> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
if (!IsValidChannelType(e.Item.ChannelType))
throw new InvalidDataException("value contains one or more invalid channel types.");
}
private void KeyEventAdd(object sender, ListItemAddEventArgs<Id3v2KeyEvent> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
if (!IsValidKeyEventType(e.Item.EventType))
throw new InvalidDataException(String.Format("value contains one or more key event types not supported in version {0}.", Version));
for (int i = 0; i < _keyEvents.Count; i++)
{
Id3v2KeyEvent keyEvent = _keyEvents[i];
if (keyEvent.EventType >= e.Item.EventType)
{
e.Index = i;
break;
}
}
}
// Manually insert the AdjustmentPoint here so we can keep the list always sorted by Frequency.
private void AdjustmentPointAdd(object sender, ListItemAddEventArgs<Id3v2AdjustmentPoint> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
for (int i = 0; i < _adjustmentPoints.Count; i++)
{
Id3v2AdjustmentPoint adjustmentPoint = _adjustmentPoints[i];
if (adjustmentPoint.Frequency >= e.Item.Frequency)
{
e.Index = i;
break;
}
}
}
private void InvolvedPeopleAdd(object sender, ListItemAddEventArgs<Id3v2InvolvedPeople> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
if (!String.IsNullOrEmpty(e.Item.Involvee) && !IsValidTextString(e.Item.Involvee, TextEncoding, false))
{
throw new InvalidDataException(
"value contains one or more Involvee entries with one or more invalid characters for the current frame encoding type.");
}
if (!String.IsNullOrEmpty(e.Item.Involvement) && !IsValidTextString(e.Item.Involvement, TextEncoding, false))
{
throw new InvalidDataException(
"value contains one or more Involvement entries with one or more invalid characters for the current frame encoding type.");
}
}
private void LyricSyncAdd(object sender, ListItemAddEventArgs<Id3v2LyricSync> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
if (e.Item.Syllable == null)
throw new NullReferenceException("e.Syllable may not be null");
if (!IsValidTextString(e.Item.Syllable, TextEncoding, false))
{
throw new InvalidDataException(
"value contains one or more Syllable entries with one or more invalid characters for the current frame encoding type.");
}
for (int i = 0; i < _lyricSyncs.Count; i++)
{
Id3v2LyricSync lyricSync = _lyricSyncs[i];
if (lyricSync.TimeStamp >= e.Item.TimeStamp)
{
e.Index = i;
break;
}
}
}
private void EqualisationBandAdd(object sender, ListItemAddEventArgs<Id3v2EqualisationBand> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
for (int i = 0; i < _equalisationBands.Count; i++)
{
Id3v2EqualisationBand equalisationBand = _equalisationBands[i];
if (equalisationBand.Frequency >= e.Item.Frequency)
{
e.Index = i;
break;
}
}
}
private void ValueAdd(object sender, ListItemAddEventArgs<string> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
if (!IsValidTextString(e.Item, TextEncoding, false))
throw new InvalidDataException("value contains one or more invalid characters for the current frame encoding type.");
}
private static void ItemAdd(object sender, ListItemAddEventArgs<string> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
if (!Uri.IsWellFormedUriString(e.Item, UriKind.RelativeOrAbsolute))
throw new InvalidDataException("One or more URI values are invalid.");
}
private void TempoCodeAdd(object sender, ListItemAddEventArgs<Id3v2TempoCode> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
for (int i = 0; i < _tempoCodes.Count; i++)
{
Id3v2TempoCode tempoCode = _tempoCodes[i];
if (tempoCode.TimeStamp >= e.Item.TimeStamp)
{
e.Index = i;
break;
}
}
}
////------------------------------------------------------------------------------------------------------------------------------
private void SeekPointAdd(object sender, ListItemAddEventArgs<FlacSeekPoint> e)
{
if (e == null)
throw new ArgumentNullException("e");
if (e.Item == null)
throw new NullReferenceException("e.Item may not be null");
// Seek points within a table must be unique by sample number, with the exception of placeholder points.
for (int i = 0; i < _seekPoints.Count; i++)
{
FlacSeekPoint seekPoint = _seekPoints[i];
// Seek points within a table must be sorted in ascending order by sample number.
if (seekPoint.SampleNumber >= e.Item.SampleNumber)
{
e.Index = i;
break;
}
}
}
