func()

in flexflate/inflate.go [244:283]

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

func (f *decompressor) nextBlock() {
	if f.final {
		if f.hw != f.hp {
			f.flush((*decompressor).nextBlock)
			return
		}
		f.err = io.EOF
		return
	}
	for f.nb < 1+2 {
		if f.err = f.moreBits(); f.err != nil {
			return
		}
	}
	f.final = f.b&1 == 1
	f.b >>= 1
	typ := f.b & 3
	f.b >>= 2
	f.nb -= 1 + 2
	switch typ {
	case 0:
		f.dataBlock()
	case 1:
		// compressed, fixed Huffman tables
		f.hl = &fixedHuffmanDecoder
		f.hd = nil
		f.huffmanBlock()
	case 2:
		// compressed, dynamic Huffman tables
		if f.err = f.readHuffman(); f.err != nil {
			break
		}
		f.hl = &f.h1
		f.hd = &f.h2
		f.huffmanBlock()
	default:
		// 3 is reserved.
		f.err = CorruptInputError(f.roffset)
	}
}