internal List <sFsFileInfo> DeSerializeFAT(byte[] buffer)
{
var l = new List <sFsFileInfo>();
try
{
using (var ms = new MemoryStream(buffer))
{
using (var br = new BinaryReader(ms, Encoding.UTF8))
{
int magicByte = br.ReadByte();
if (magicByte != MAGIC_BYTE)
{
throw new ApplicationException("Magic byte not found");
}
var fileCount = br.ReadInt32(); // 4 bytes, number of file stored on the disk
for (var i = 0; i < fileCount; i++)
{
var fileName = BinSerializer.DeSerializeStringInUTF8(br.ReadBytes(sFsFileInfo.MAX_FILE_NAME_SIZE)); // 16 bytes
l.Add(new sFsFileInfo(fileName, false)
{
StartAddr = br.ReadInt32(), // 4 bytes
Length = br.ReadInt32(), // 4 bytes
Attribute = (sFsFileAttribute)br.ReadByte(), // 1 bytes
LastModificationDate = new DateTime(br.ReadInt64()) // 8 bytes
});
}
}
}
}
catch (System.Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.ToString());
return(null);
}
return(l);
}
internal List <FileInfo> DeSerializeMetadata(byte[] buffer)
{
var l = new List <FileInfo>();
try
{
using (var ms = new MemoryStream(buffer))
{
using (var br = new BinaryReader(ms, Encoding.UTF8))
{
int magicByte = br.ReadByte();
if (magicByte != MAGIC_BYTE)
{
throw new ApplicationException("Magic byte not found");
}
var fileCount = br.ReadInt32(); // 4
for (var i = 0; i < fileCount; i++)
{
var fileName = BinSerializer.DeSerializeStringInUTF8(br.ReadBytes(FileInfo.MAX_FILE_NAME_SIZE));
l.Add(new FileInfo(fileName)
{
StartPage = br.ReadInt32(),
Length = br.ReadInt32(),
Created = new DateTime(br.ReadInt64()) // 8
});
}
}
}
}
catch (System.Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.ToString());
return(null);
}
return(l);
}
