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Copy pathbinstruct.go
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52 lines (44 loc) · 1.5 KB
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Copy pathbinstruct.go
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52 lines (44 loc) · 1.5 KB
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package binstruct
import (
"encoding/binary"
"io"
)
// UnmarshalLE parses the binary data with little-endian byte order and
// stores the result in the value pointed to by v.
func UnmarshalLE(data []byte, v interface{}) error {
return Unmarshal(data, binary.LittleEndian, v)
}
// UnmarshalBE parses the binary data with big-endian byte order and
// stores the result in the value pointed to by v.
func UnmarshalBE(data []byte, v interface{}) error {
return Unmarshal(data, binary.BigEndian, v)
}
// Unmarshal parses the binary data with byte order and stores the result
// in the value pointed to by v. If v is nil or not a pointer,
// Unmarshal returns an InvalidUnmarshalError.
func Unmarshal(data []byte, order binary.ByteOrder, v interface{}) error {
return NewReaderFromBytes(data, order, false).Unmarshal(v)
}
// A Decoder reads and decodes binary values from an input stream.
type Decoder struct {
r io.ReadSeeker
order binary.ByteOrder
debug bool
}
// NewDecoder returns a new decoder that reads from r with byte order.
func NewDecoder(r io.ReadSeeker, order binary.ByteOrder) *Decoder {
return &Decoder{
r: r,
order: order,
debug: false,
}
}
// SetDebug if set true, all read bytes and offsets will be displayed.
func (dec *Decoder) SetDebug(debug bool) {
dec.debug = debug
}
// Decode reads the binary-encoded value from its
// input and stores it in the value pointed to by v.
func (dec *Decoder) Decode(v interface{}) error {
return NewReader(dec.r, dec.order, dec.debug).Unmarshal(v)
}