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binary.go
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binary.go
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package binary
import (
stdlib "encoding/binary"
"fmt"
"io"
"github.com/encodingx/binary/internal/codecs"
"github.com/encodingx/binary/internal/validation"
)
var (
defaultCodec codecs.Codec = codecs.NewCodec()
)
func Marshal(iface interface{}) (bytes []byte, e error) {
const (
functionName = "Marshal"
)
var (
operation codecs.CodecOperation
)
defer func() {
const (
marshalError = "Marshal error: %w"
)
if e != nil {
e.(validation.FunctionError).SetFunctionName(functionName)
e = fmt.Errorf(marshalError, e)
}
return
}()
operation, e = defaultCodec.NewOperation(iface)
if e != nil {
return
}
bytes, e = operation.Marshal()
if e != nil {
return
}
return
}
func Unmarshal(bytes []byte, iface interface{}) (e error) {
const (
functionName = "Unmarshal"
)
var (
operation codecs.CodecOperation
)
defer func() {
const (
unmarshalError = "Unmarshal error: %w"
)
if e != nil {
e.(validation.FunctionError).SetFunctionName(functionName)
e = fmt.Errorf(unmarshalError, e)
}
return
}()
operation, e = defaultCodec.NewOperation(iface)
if e != nil {
return
}
e = operation.Unmarshal(bytes)
if e != nil {
return
}
return
}
// Standard library features
const (
MaxVarintLen16 = stdlib.MaxVarintLen16
MaxVarintLen32 = stdlib.MaxVarintLen32
MaxVarintLen64 = stdlib.MaxVarintLen64
)
var (
BigEndian = stdlib.BigEndian
LittleEndian = stdlib.LittleEndian
)
type ByteOrder interface {
Uint16([]byte) uint16
Uint32([]byte) uint32
Uint64([]byte) uint64
PutUint16([]byte, uint16)
PutUint32([]byte, uint32)
PutUint64([]byte, uint64)
String() string
}
func PutUvarint(buf []byte, x uint64) int {
return stdlib.PutUvarint(buf, x)
}
func PutVarint(buf []byte, x int64) int {
return stdlib.PutVarint(buf, x)
}
func Read(r io.Reader, order ByteOrder, data interface{}) error {
return stdlib.Read(r, order, data)
}
func ReadUvarint(r io.ByteReader) (uint64, error) {
return stdlib.ReadUvarint(r)
}
func ReadVarint(r io.ByteReader) (int64, error) {
return stdlib.ReadVarint(r)
}
func Size(v interface{}) int {
return stdlib.Size(v)
}
func Uvarint(buf []byte) (uint64, int) {
return stdlib.Uvarint(buf)
}
func Varint(buf []byte) (int64, int) {
return stdlib.Varint(buf)
}
func Write(w io.Writer, order ByteOrder, data interface{}) error {
return stdlib.Write(w, order, data)
}