public CHReader(Stream stream, UInt16 expectedVersion)
{
_stream = stream;
_br = new BinaryReader(stream, Encoding.ASCII, leaveOpen: true);
Asserts.Expected(_br.ReadUInt16(), MagicNumber);
Asserts.Expected(_stream.ParseAsciiNumber(characterCount: 2), expectedVersion);
}
public void Write(ArraySegment <Byte> segment, String outputPath, UInt16 expectedVersion)
{
Int32 offset = segment.Offset;
var array = segment.Array ?? throw new ArgumentNullException(nameof(segment));
if (segment.Count < 4)
{
throw new ArgumentException(nameof(segment));
}
Asserts.Expected(array[offset + 0], 0x56); // V
Asserts.Expected(array[offset + 1], 0x53); // S
Asserts.Expected(array[offset + 2], 0x53); // S
Asserts.Expected(array[offset + 3], 0x46); // F
using (var output = File.Create(outputPath))
output.Write(array, offset + 4, segment.Count - 4 - offset);
}
public void Check()
{
Asserts.Expected(MagicNumber, KnownMagicNumber);
}