_experimental/client/datatype.go

// Copyright (C) 2015 The Android Open Source Project
//
// 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 client

import (
	"fmt"
	"unsafe"
)

type U8 uint8
type U16 uint16
type U32 uint32
type S8 int8
type S16 int16
type S32 int32
type F32 float32
type F64 float64

type DataType interface {
	Name() string
	SizeBytes() int
	String() string
	Unknown() string
	Read(buffer []byte) DataType
}

func (v U8) Name() string {
	return "u8"
}

func (v U8) SizeBytes() int {
	return 1
}

func (v U8) String() string {
	return fmt.Sprintf("%.2x", uint8(v))
}

func (v U8) Unknown() string {
	return "??"
}

func (v U8) Read(buffer []byte) DataType {
	return *(*U8)(unsafe.Pointer(&buffer[0]))
}

func (v S8) Name() string {
	return "s8"
}

func (v S8) SizeBytes() int {
	return 1
}

func (v S8) String() string {
	return fmt.Sprintf("% .2x", int8(v))
}

func (v S8) Unknown() string {
	return "???"
}

func (v S8) Read(buffer []byte) DataType {
	return *(*S8)(unsafe.Pointer(&buffer[0]))
}

func (v U16) Name() string {
	return "u16"
}

func (v U16) SizeBytes() int {
	return 2
}

func (v U16) String() string {
	return fmt.Sprintf("%.4x", uint16(v))
}

func (v U16) Unknown() string {
	return "????"
}

func (v U16) Read(buffer []byte) DataType {
	return *(*U16)(unsafe.Pointer(&buffer[0]))
}

func (v S16) Name() string {
	return "s16"
}

func (v S16) SizeBytes() int {
	return 2
}

func (v S16) String() string {
	return fmt.Sprintf("% .4x", int16(v))
}

func (v S16) Unknown() string {
	return "?????"
}

func (v S16) Read(buffer []byte) DataType {
	return *(*S16)(unsafe.Pointer(&buffer[0]))
}

func (v U32) Name() string {
	return "u32"
}

func (v U32) SizeBytes() int {
	return 4
}

func (v U32) String() string {
	return fmt.Sprintf("%.8x", uint32(v))
}

func (v U32) Unknown() string {
	return "????????"
}

func (v U32) Read(buffer []byte) DataType {
	return *(*U32)(unsafe.Pointer(&buffer[0]))
}

func (v S32) Name() string {
	return "s32"
}

func (v S32) SizeBytes() int {
	return 4
}

func (v S32) String() string {
	return fmt.Sprintf("% .8x", int32(v))
}

func (v S32) Unknown() string {
	return "?????????"
}

func (v S32) Read(buffer []byte) DataType {
	return *(*S32)(unsafe.Pointer(&buffer[0]))
}

func (v F32) Name() string {
	return "f32"
}

func (v F32) SizeBytes() int {
	return 4
}

func (v F32) String() string {
	return fmt.Sprintf("% 8f", float32(v))
}

func (v F32) Unknown() string {
	return "?????????"
}

func (v F32) Read(buffer []byte) DataType {
	return *(*F32)(unsafe.Pointer(&buffer[0]))
}

func (v F64) Name() string {
	return "f64"
}

func (v F64) SizeBytes() int {
	return 8
}

func (v F64) String() string {
	return fmt.Sprintf("% 8f", float64(v))
}

func (v F64) Unknown() string {
	return "?????????"
}

func (v F64) Read(buffer []byte) DataType {
	return *(*F64)(unsafe.Pointer(&buffer[0]))
}