func()

in flexflate/huffman_bit_writer.go [299:342]

• 40 lines of code
• 9 McCabe index (conditional complexity)

func (w *huffmanBitWriter) writeDynamicHeader(numLiterals int, numOffsets int, numCodegens int, isEof bool) {
	if w.err != nil {
		return
	}
	var firstBits int32 = 4
	if isEof {
		firstBits = 5
	}
	w.writeBits(firstBits, 3)
	w.writeBits(int32(numLiterals-257), 5)
	w.writeBits(int32(numOffsets-1), 5)
	w.writeBits(int32(numCodegens-4), 4)

	for i := 0; i < numCodegens; i++ {
		value := w.codegenEncoding.codeBits[codegenOrder[i]]
		w.writeBits(int32(value), 3)
	}

	i := 0
	for {
		var codeWord int = int(w.codegen[i])
		i++
		if codeWord == badCode {
			break
		}
		// The low byte contains the actual code to generate.
		w.writeCode(w.codegenEncoding, uint32(codeWord))

		switch codeWord {
		case 16:
			w.writeBits(int32(w.codegen[i]), 2)
			i++
			break
		case 17:
			w.writeBits(int32(w.codegen[i]), 3)
			i++
			break
		case 18:
			w.writeBits(int32(w.codegen[i]), 7)
			i++
			break
		}
	}
}