public TagLib.Tag AddTag(TagTypes type, TagLib.Tag copy)
{
TagLib.Tag target = null;
if (type == (TagTypes.None | TagTypes.Id3v1))
{
target = new TagLib.Id3v1.Tag();
}
else if (type == (TagTypes.None | TagTypes.Id3v2))
{
TagLib.Id3v2.Tag tag2;
target = new TagLib.Id3v2.Tag {
Version = 4,
Flags = (byte) (tag2.Flags | HeaderFlags.FooterPresent)
};
}
else if (type == (TagTypes.None | TagTypes.Ape))
{
target = new TagLib.Ape.Tag();
}
if (target != null)
{
if (copy != null)
{
copy.CopyTo(target, true);
}
if (type == (TagTypes.None | TagTypes.Id3v1))
{
base.AddTag(target);
return target;
}
base.InsertTag(0, target);
}
return target;
}
private TagLib.Tag ReadTag(ref long end)
{
long position = end;
TagTypes types = this.ReadTagInfo(ref position);
TagLib.Tag tag = null;
try
{
TagTypes types2 = types;
switch (types2)
{
case (TagTypes.None | TagTypes.Id3v1):
tag = new TagLib.Id3v1.Tag(this.file, position);
break;
case (TagTypes.None | TagTypes.Id3v2):
tag = new TagLib.Id3v2.Tag(this.file, position);
break;
default:
if (types2 == (TagTypes.None | TagTypes.Ape))
{
tag = new TagLib.Ape.Tag(this.file, end - 0x20L);
}
break;
}
end = position;
}
catch (CorruptFileException)
{
}
return tag;
}
public void TestPerformers ()
{
Id3v1.Tag tag = new Id3v1.Tag ();
Assert.IsTrue (tag.IsEmpty, "Initially empty");
Assert.AreEqual (0, tag.Performers.Length, "Initially empty");
ByteVector rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Performers.Length, "Still empty");
tag.Performers = new string [] {"A123456789", "B123456789", "C123456789", "D123456789", "E123456789"};
Assert.IsFalse (tag.IsEmpty, "Not empty");
Assert.AreEqual ("A123456789; B123456789; C123456789; D123456789; E123456789", tag.JoinedPerformers);
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsFalse (tag.IsEmpty, "Still not empty");
Assert.AreEqual ("A123456789; B123456789; C1234567", tag.JoinedPerformers);
tag.Performers = new string [0];
Assert.IsTrue (tag.IsEmpty, "Again empty");
Assert.AreEqual (0, tag.Performers.Length, "Again empty");
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Performers.Length, "Still empty");
}
public void TestAlbum ()
{
Id3v1.Tag tag = new Id3v1.Tag ();
Assert.IsTrue (tag.IsEmpty, "Initially empty");
Assert.IsNull (tag.Album, "Initially null");
ByteVector rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.IsNull (tag.Album, "Still null");
tag.Album = "01234567890123456789012345678901234567890123456789";
Assert.IsFalse (tag.IsEmpty, "Not empty");
Assert.AreEqual ("01234567890123456789012345678901234567890123456789", tag.Album);
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsFalse (tag.IsEmpty, "Still not empty");
Assert.AreEqual ("012345678901234567890123456789", tag.Album);
tag.Album = string.Empty;
Assert.IsTrue (tag.IsEmpty, "Again empty");
Assert.IsNull (tag.Album, "Again null");
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.IsNull (tag.Album, "Still null");
}
public void TestRender ()
{
ByteVector rendered = new Id3v1.Tag ().Render ();
Assert.AreEqual (128, rendered.Count);
Assert.IsTrue (rendered.StartsWith (Id3v1.Tag.FileIdentifier));
}
public void TestClear ()
{
Id3v1.Tag tag = new Id3v1.Tag ();
tag.Title = "A";
tag.Performers = new string [] {"B"};
tag.Album = "C";
tag.Year = 123;
tag.Comment = "D";
tag.Track = 234;
tag.Genres = new string [] {"Blues"};
Assert.IsFalse (tag.IsEmpty, "Should be full.");
tag.Clear ();
Assert.IsNull (tag.Title, "Title");
Assert.AreEqual (0, tag.Performers.Length, "Performers");
Assert.IsNull (tag.Album, "Album");
Assert.AreEqual (0, tag.Year, "Year");
Assert.IsNull (tag.Comment, "Comment");
Assert.AreEqual (0, tag.Track, "Track");
Assert.AreEqual (0, tag.Genres.Length, "Genres");
Assert.IsTrue (tag.IsEmpty, "Should be empty.");
}
public void TestGenres ()
{
Id3v1.Tag tag = new Id3v1.Tag ();
Assert.IsTrue (tag.IsEmpty, "Initially empty");
Assert.AreEqual (0, tag.Genres.Length, "Initially empty");
ByteVector rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Genres.Length, "Still empty");
tag.Genres = new string [] {"Rap", "Jazz", "Non-Genre", "Blues"};
Assert.IsFalse (tag.IsEmpty, "Not empty");
Assert.AreEqual ("Rap", tag.JoinedGenres);
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsFalse (tag.IsEmpty, "Still not empty");
Assert.AreEqual ("Rap", tag.JoinedGenres);
tag.Genres = new string [] {"Non-Genre"};
Assert.IsTrue (tag.IsEmpty, "Surprisingly empty");
Assert.AreEqual (0, tag.Genres.Length, "Surprisingly empty");
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Genres.Length, "Still empty");
tag.Genres = new string [0];
Assert.IsTrue (tag.IsEmpty, "Again empty");
Assert.AreEqual (0, tag.Genres.Length, "Again empty");
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Genres.Length, "Still empty");
}
public void TestTrack ()
{
Id3v1.Tag tag = new Id3v1.Tag ();
Assert.IsTrue (tag.IsEmpty, "Initially empty");
Assert.AreEqual (0, tag.Track, "Initially zero");
ByteVector rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Track, "Still zero");
tag.Track = 123;
Assert.IsFalse (tag.IsEmpty, "Not empty");
Assert.AreEqual (123, tag.Track);
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsFalse (tag.IsEmpty, "Still not empty");
Assert.AreEqual (123, tag.Track);
tag.Track = 0;
Assert.IsTrue (tag.IsEmpty, "Again empty");
Assert.AreEqual (0, tag.Track, "Again zero");
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Track, "Still zero");
}
public void TestYear ()
{
Id3v1.Tag tag = new Id3v1.Tag ();
Assert.IsTrue (tag.IsEmpty, "Initially empty");
Assert.AreEqual (0, tag.Year, "Initially zero");
ByteVector rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Year, "Still zero");
tag.Year = 1999;
Assert.IsFalse (tag.IsEmpty, "Not empty");
Assert.AreEqual (1999, tag.Year);
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsFalse (tag.IsEmpty, "Still not empty");
Assert.AreEqual (1999, tag.Year);
tag.Year = 20000;
Assert.IsTrue (tag.IsEmpty, "Again empty");
Assert.AreEqual (0, tag.Year, "Again zero");
rendered = tag.Render ();
tag = new Id3v1.Tag (rendered);
Assert.IsTrue (tag.IsEmpty, "Still empty");
Assert.AreEqual (0, tag.Year, "Still zero");
}
