private IFormat ReadSimple(Structures.Meta.FileInfo file)
{
if (!_options.IncludeUnsupportedAndInvalidFiles)
{
return(null);
}
return(new SimpleFormat()
{
FileName = file.Name,
FileInfo = _readFileInfo ? file : null
});
}
private IFormat ReadMeta <T>(Stream stream, Structures.Meta.FileInfo file) where T : Format, Structures.Meta.IMetaFormat
{
if (stream.CanRead)
{
T format = (T)Activator.CreateInstance(typeof(T), file.Name, Build.Build, stream);
if (_readFileInfo)
{
format.FileInfo = file;
}
return(format);
}
return(ReadSimple(file));
}
public IFormat Read(Stream stream, Structures.Meta.FileInfo file)
{
stream.Position = 0;
try
{
if (_readData && _readers.TryGetValue(file.Format, out var readerFunc))
{
return(readerFunc.Invoke(stream, file));
}
}
catch (System.Reflection.TargetInvocationException) { }
catch (EndOfStreamException) { }
return(ReadSimple(file));
}
private IFormat ReadVersioned <T>(Stream stream, Structures.Meta.FileInfo file) where T : Format, IVersioned
{
if (stream.CanRead)
{
using var br = new BinaryReader(stream);
T chunked = (T)Activator.CreateInstance(typeof(T), br, Build.Build);
chunked.FileName = file.Name;
if (_readFileInfo)
{
chunked.FileInfo = file;
}
return(chunked);
}
return(ReadSimple(file));
}
private IFormat ReadFormat <T>(Stream stream, Structures.Meta.FileInfo file) where T : Format
{
if (stream.CanRead)
{
using var br = new BinaryReader(stream);
T format = (T)Activator.CreateInstance(typeof(T), br);
format.FileName = file.Name;
if (_readFileInfo)
{
format.FileInfo = file;
}
return(format);
}
return(ReadSimple(file));
}
public IFormat Read(string filename)
{
var entry = new Structures.Meta.FileInfo()
{
Build = Build.Build,
Name = filename.WoWNormalize()
};
using var md5 = MD5.Create();
using var stream = File.OpenRead(filename);
if (_readFileInfo)
{
entry.Checksum = md5.ComputeHash(stream).ToChecksum();
entry.Created = Utils.GetLocalFileCreated(filename);
entry.Size = (uint)stream.Length;
}
return(Read(stream, entry));
}