// -*- coding: utf-8 -*-

// Copyright (C) 2017 Nippon Telegraph and Telephone Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package nlalib

import (
	"bytes"
	"fmt"
)

func Hexdump(bs []byte) string {
	buf := new(bytes.Buffer)

	for i, b := range bs {
		buf.WriteString(fmt.Sprintf("%02x ", b))
		if i%8 == 7 {
			buf.WriteString("\n")
		}
	}

	return buf.String()
}

func HexSlice(bs []byte) []string {
	ret := []string{}
	buf := new(bytes.Buffer)
	for i, b := range bs {
		buf.WriteString(fmt.Sprintf("%02x ", b))
		if i%8 == 7 {
			ret = append(ret, buf.String())
			buf.Reset()
		}
	}

	if buf.Len() > 0 {
		ret = append(ret, buf.String())
	}
	return ret
}
