// Decode Wire byte seq to Slice of Frames
func Decode(wire []byte) (frames []Frame) {
buf := swrap.Make(wire)
for buf.Len() > 0 {
frames = append(frames, DecodeHeader(buf))
}
return frames
}
func (frame *IndexedHeader) Encode() (buf *swrap.SWrap) {
buf = swrap.Make(integer.Encode(frame.Index, 7))
(*buf)[0] += 0x80
if frame.Index == 0 {
// TODO: Encoding Error
}
return buf
}
func (frame *IndexedLiteral) Encode() (buf *swrap.SWrap) {
switch frame.Indexing {
case WITH:
buf = swrap.Make(integer.Encode(frame.Index, 6))
(*buf)[0] += 0x20
case WITHOUT:
buf = swrap.Make(integer.Encode(frame.Index, 4))
case NEVER:
buf = swrap.Make(integer.Encode(frame.Index, 4))
(*buf)[0] += 0x8
}
// No Huffman
buf.Merge(integer.Encode(frame.ValueLength, 7))
buf.Merge([]byte(frame.ValueString))
return buf
}
func (frame *IndexedLiteral) EncodeHuffman() (buf *swrap.SWrap) {
switch frame.Indexing {
case WITH:
buf = swrap.Make(integer.Encode(frame.Index, 6))
(*buf)[0] += 0x20
case WITHOUT:
buf = swrap.Make(integer.Encode(frame.Index, 4))
case NEVER:
buf = swrap.Make(integer.Encode(frame.Index, 4))
(*buf)[0] += 0x8
}
var encoded, length []byte
// Value With Huffman
encoded = huffman.Encode([]byte(frame.ValueString))
length = integer.Encode(uint32(len(encoded)), 7)
length[0] += 0x80 // 1000 0000 (huffman flag)
buf.Merge(length)
buf.Merge(encoded)
return buf
}