void Initialize()
{
Files = new List <ZipDirectoryEntry>();
var reader = new BinaryReader(source);
while (source.Position < source.Length)
{
int id = reader.ReadInt32();
switch (id)
{
case 0x4034B50:
var file = new ZipDirectoryEntry(source);
Files.Add(file);
if (file.CompressedSize >= 0 && file.UncompressedSize >= 0)
{
source.Position += file.CompressedSize;
if (file.DataDescriptorFollows)
{
reader.ReadBytes(12);
}
}
break;
default:
return;
}
}
}
public Stream StreamFile(ZipDirectoryEntry zde)
{
var reader = new BinaryReader(source);
switch (zde.Compression)
{
case ZipCompressionMethod.Stored:
source.Position = zde.Offset;
return(source);
break;
case ZipCompressionMethod.Deflated:
source.Position = zde.Offset;
return(new DeflateStream(source, CompressionMode.Decompress));
break;
default:
source.Position = zde.Offset;
return(source);
break;
}
}
