/
int_slice.go
79 lines (68 loc) · 1.5 KB
/
int_slice.go
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package codec
import (
"bytes"
"encoding/binary"
"errors"
)
func (ds byteSliceDecoder) toInt32Slice(result *[]int32) error {
if result == nil {
return errors.New("result is nil")
}
*result = make([]int32, 0)
for i := 0; i < len(ds); i += 4 {
var s int32
binary.Read(bytes.NewReader(ds[i:i+4]), binary.LittleEndian, &s)
*result = append(*result, s)
}
return nil
}
type int32SliceEncoder []int32
func (c int32SliceEncoder) To(i interface{}) error {
switch out := i.(type) {
case []byte:
return pointerError()
case *[]byte:
var buf bytes.Buffer
if *out == nil {
*out = make([]byte, 0)
}
for _, s := range c {
binary.Write(&buf, binary.LittleEndian, s)
}
*out = buf.Bytes()
default:
return errors.New("failed to Encode:Unknown type")
}
return nil
}
func (ds byteSliceDecoder) toUInt32Slice(result *[]uint32) error {
if result == nil {
return errors.New("result is nil")
}
*result = make([]uint32, 0)
for i := 0; i < len(ds); i += 4 {
var s uint32
binary.Read(bytes.NewReader(ds[i:i+4]), binary.LittleEndian, &s)
*result = append(*result, s)
}
return nil
}
type uint32SliceEncoder []uint32
func (c uint32SliceEncoder) To(i interface{}) error {
switch out := i.(type) {
case []byte:
return pointerError()
case *[]byte:
var buf bytes.Buffer
if *out == nil {
*out = make([]byte, 0)
}
for _, s := range c {
binary.Write(&buf, binary.LittleEndian, s)
}
*out = buf.Bytes()
default:
return errors.New("failed to Encode:Unknown type")
}
return nil
}