Function structSizeFuncOf

proto/struct.go:166–212

(t reflect.Type, fields []structField)

}

func structSizeFuncOf(t reflect.Type, fields []structField) sizeFunc {
	inlined := inlined(t)
	var unique, repeated []*structField

	for i := range fields {
		f := &fields[i]
		if f.repeated() {
			repeated = append(repeated, f)
		} else {
			unique = append(unique, f)
		}
	}

	return func(p unsafe.Pointer, flags flags) int {
		if p == nil {
			return 0
		}

		if !inlined {
			flags = flags.without(inline | toplevel)
		} else {
			flags = flags.without(toplevel)
		}
		n := 0

		for _, f := range unique {
			size := f.codec.size(f.pointer(p), f.makeFlags(flags))
			if size > 0 {
				n += int(f.tagsize) + size
				if f.embedded() {
					n += sizeOfVarint(uint64(size))
				}
				flags = flags.without(wantzero)
			}
		}

		for _, f := range repeated {
			size := f.codec.size(f.pointer(p), f.makeFlags(flags))
			if size > 0 {
				n += size
				flags = flags.without(wantzero)
			}
		}

		return n
	}
}

func structEncodeFuncOf(t reflect.Type, fields []structField) encodeFunc {
	inlined := inlined(t)