public static void WriteTagV2(Tag tag, FileInfo file, Rewriter.Strategy strategy = Rewriter.Strategy.Exact)
{
Debug.Assert(tag.DescriptionMap.Version != Version.v1_0);
using (VirtualDriveLock fileLock = new VirtualDriveLock(file.FullName, AccessObserver.AccessType.Write))
{
int tagSize = TagSize(tag);
tag.Codec.Header.Size = tagSize - tag.Codec.Header.HeaderSize;
if (VirtualDrive.ExistsFile(file.FullName))
{
Rewriter rewriter = new Rewriter(strategy);
int padding = rewriter.Rewrite(tagSize, file);
if (padding != tagSize)
{
tag.Codec.Header.Size = padding - tag.Codec.Header.HeaderSize;
}
}
using (Writer writer = new Writer(file))
{
tag.Write(writer);
}
}
}
public static byte[] TagToRaw(Tag tag)
{
tag.Codec.Header.Size = TagSize(tag) - tag.Codec.Header.HeaderSize;
using (Writer writer = new Writer())
{
tag.Write(writer);
return(writer.OutData);
}
}
public static int TagSize(Tag tag)
{
using (Writer memWriter = new Writer())
{
tag.Codec.Header.Size = TagHeader.sizeUnitinialized;
tag.Write(memWriter);
return(memWriter.OutData.Length);
}
}
public static void WriteTagV1(Tag tag, FileInfo file)
{
using (VirtualDriveLock fileLock = new VirtualDriveLock(file.FullName, AccessObserver.AccessType.Write))
{
bool existingTag = HasTagV1(file);
long fileLength = VirtualDrive.FileLength(file.FullName);
using (Writer writer = new Writer(file))
{
if (existingTag)
{
writer.Seek(fileLength - HeaderV1.totalSize, SeekOrigin.Begin);
}
else
{
writer.Seek(fileLength, SeekOrigin.Begin);
}
tag.Write(writer);
}
}
}