public void Save(string path)
{
TagBuilder builder = new TagBuilder(majorVersion, minorVersion);
foreach (FrameEntry frame in frames)
{
builder.Append(frame.frameId, frame.frameValue);
}
// TODO: Exception handler to clean up after any failures.
// Create a temporary file:
TemporaryFile tempFile = new TemporaryFile(path);
FileStream tempStream = new FileStream(tempFile.Path, FileMode.Create, FileAccess.Write, FileShare.None);
builder.WriteTo(tempStream);
// Skip the tags in the source file.
FileStream sourceStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.None);
long pos0 = sourceStream.Position;
TagUtil.SkipTags(sourceStream);
long pos1 = sourceStream.Position;
StreamCopier.Copy(sourceStream, tempStream);
sourceStream.Close();
tempStream.Close();
// Then we can swap the files over.
tempFile.Swap();
}
/// <summary>
/// Copy ID3v2 tags from one stream to another.
/// </summary>
/// <param name="source">The source stream. Assumed positioned at the 'ID3' header, i.e. the start of the file.</param>
/// <param name="dest">The destination stream.</param>
private static void CopyTags(Stream source, Stream dest)
{
// Figure out the length of the ID3 header in the source stream:
long returnPos = source.Position;
long tagEndOffset = TagUtil.GetTagEndOffset(source);
source.Seek(returnPos, SeekOrigin.Begin);
// Now copy that many bytes into the destination:
StreamCopier.Copy(source, dest, tagEndOffset);
}
public static void Copy(string source, string destination)
{
// TODO: Exception handler, or finally block, to clean up on failures?
// We need to copy the tags from the source file to a temporary file.
FileStream sourceStream = new FileStream(source, FileMode.Open, FileAccess.Read, FileShare.Read);
sourceStream.Seek(0, SeekOrigin.Begin);
// Create a temporary file:
TemporaryFile tempFile = new TemporaryFile(destination);
// Open it.
FileStream tempStream = new FileStream(tempFile.Path, FileMode.Create, FileAccess.Write, FileShare.None);
// Copy the tags.
CopyTags(sourceStream, tempStream);
// We don't need the source file any more.
sourceStream.Close();
// Get the destination file open:
FileStream destinationStream = new FileStream(destination, FileMode.Open, FileAccess.Read, FileShare.None);
// Now we need to skip the tags in the destination.
TagUtil.SkipTags(destinationStream);
// Copy the remainder of the output file into the temporary file.
StreamCopier.Copy(destinationStream, tempStream);
// We don't need the destination file any more.
destinationStream.Close();
// We don't need the temp file any more.
tempStream.Close();
// Do the rename shuffle.
tempFile.Swap();
}
public static void Remove(string path)
{
// TODO: Exception handler to clean up on failures.
// Open the source file, and then skip over any tags.
FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
// Go back to the beginning of the stream.
stream.Seek(0, SeekOrigin.Begin);
TagUtil.SkipTags(stream);
// Create a temporary file:
TemporaryFile tempFile = new TemporaryFile(path);
FileStream dest = new FileStream(tempFile.Path, FileMode.Create, FileAccess.Write, FileShare.None);
StreamCopier.Copy(stream, dest);
stream.Close();
dest.Close();
tempFile.Swap();
}
