diff options
Diffstat (limited to 'pkg/binstruct/binint')
-rw-r--r-- | pkg/binstruct/binint/builtins.go | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/pkg/binstruct/binint/builtins.go b/pkg/binstruct/binint/builtins.go deleted file mode 100644 index 04fc477..0000000 --- a/pkg/binstruct/binint/builtins.go +++ /dev/null @@ -1,241 +0,0 @@ -package binint - -import ( - "encoding/binary" - "fmt" -) - -func needNBytes(t interface{}, dat []byte, n int) error { - if len(dat) < n { - return fmt.Errorf("%T.UnmarshalBinary: need at least %v bytes, only have %v", t, n, len(dat)) - } - return nil -} - -// unsigned - -type U8 uint8 - -func (U8) BinaryStaticSize() int { return 1 } -func (x U8) MarshalBinary() ([]byte, error) { return []byte{byte(x)}, nil } -func (x *U8) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 1); err != nil { - return 0, err - } - *x = U8(dat[0]) - return 1, nil -} - -// unsigned little endian - -type U16le uint16 - -func (U16le) BinaryStaticSize() int { return 2 } -func (x U16le) MarshalBinary() ([]byte, error) { - var buf [2]byte - binary.LittleEndian.PutUint16(buf[:], uint16(x)) - return buf[:], nil -} -func (x *U16le) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 2); err != nil { - return 0, err - } - *x = U16le(binary.LittleEndian.Uint16(dat)) - return 2, nil -} - -type U32le uint32 - -func (U32le) BinaryStaticSize() int { return 4 } -func (x U32le) MarshalBinary() ([]byte, error) { - var buf [4]byte - binary.LittleEndian.PutUint32(buf[:], uint32(x)) - return buf[:], nil -} -func (x *U32le) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 4); err != nil { - return 0, err - } - *x = U32le(binary.LittleEndian.Uint32(dat)) - return 4, nil -} - -type U64le uint64 - -func (U64le) BinaryStaticSize() int { return 8 } -func (x U64le) MarshalBinary() ([]byte, error) { - var buf [8]byte - binary.LittleEndian.PutUint64(buf[:], uint64(x)) - return buf[:], nil -} -func (x *U64le) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 8); err != nil { - return 0, err - } - *x = U64le(binary.LittleEndian.Uint64(dat)) - return 8, nil -} - -// unsigned big endian - -type U16be uint16 - -func (U16be) BinaryStaticSize() int { return 2 } -func (x U16be) MarshalBinary() ([]byte, error) { - var buf [2]byte - binary.BigEndian.PutUint16(buf[:], uint16(x)) - return buf[:], nil -} -func (x *U16be) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 2); err != nil { - return 0, err - } - *x = U16be(binary.BigEndian.Uint16(dat)) - return 2, nil -} - -type U32be uint32 - -func (U32be) BinaryStaticSize() int { return 4 } -func (x U32be) MarshalBinary() ([]byte, error) { - var buf [4]byte - binary.BigEndian.PutUint32(buf[:], uint32(x)) - return buf[:], nil -} -func (x *U32be) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 4); err != nil { - return 0, err - } - *x = U32be(binary.BigEndian.Uint32(dat)) - return 4, nil -} - -type U64be uint64 - -func (U64be) BinaryStaticSize() int { return 8 } -func (x U64be) MarshalBinary() ([]byte, error) { - var buf [8]byte - binary.BigEndian.PutUint64(buf[:], uint64(x)) - return buf[:], nil -} -func (x *U64be) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 8); err != nil { - return 0, err - } - *x = U64be(binary.BigEndian.Uint64(dat)) - return 8, nil -} - -// signed - -type I8 int8 - -func (I8) BinaryStaticSize() int { return 1 } -func (x I8) MarshalBinary() ([]byte, error) { return []byte{byte(x)}, nil } -func (x *I8) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 1); err != nil { - return 0, err - } - *x = I8(dat[0]) - return 1, nil -} - -// signed little endian - -type I16le int16 - -func (I16le) BinaryStaticSize() int { return 2 } -func (x I16le) MarshalBinary() ([]byte, error) { - var buf [2]byte - binary.LittleEndian.PutUint16(buf[:], uint16(x)) - return buf[:], nil -} -func (x *I16le) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 2); err != nil { - return 0, err - } - *x = I16le(binary.LittleEndian.Uint16(dat)) - return 2, nil -} - -type I32le int32 - -func (I32le) BinaryStaticSize() int { return 4 } -func (x I32le) MarshalBinary() ([]byte, error) { - var buf [4]byte - binary.LittleEndian.PutUint32(buf[:], uint32(x)) - return buf[:], nil -} -func (x *I32le) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 4); err != nil { - return 0, err - } - *x = I32le(binary.LittleEndian.Uint32(dat)) - return 4, nil -} - -type I64le int64 - -func (I64le) BinaryStaticSize() int { return 8 } -func (x I64le) MarshalBinary() ([]byte, error) { - var buf [8]byte - binary.LittleEndian.PutUint64(buf[:], uint64(x)) - return buf[:], nil -} -func (x *I64le) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 8); err != nil { - return 0, err - } - *x = I64le(binary.LittleEndian.Uint64(dat)) - return 8, nil -} - -// signed big endian - -type I16be int16 - -func (I16be) BinaryStaticSize() int { return 2 } -func (x I16be) MarshalBinary() ([]byte, error) { - var buf [2]byte - binary.BigEndian.PutUint16(buf[:], uint16(x)) - return buf[:], nil -} -func (x *I16be) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 2); err != nil { - return 0, err - } - *x = I16be(binary.BigEndian.Uint16(dat)) - return 2, nil -} - -type I32be int32 - -func (I32be) BinaryStaticSize() int { return 4 } -func (x I32be) MarshalBinary() ([]byte, error) { - var buf [4]byte - binary.BigEndian.PutUint32(buf[:], uint32(x)) - return buf[:], nil -} -func (x *I32be) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 4); err != nil { - return 0, err - } - *x = I32be(binary.BigEndian.Uint32(dat)) - return 4, nil -} - -type I64be int64 - -func (I64be) BinaryStaticSize() int { return 8 } -func (x I64be) MarshalBinary() ([]byte, error) { - var buf [8]byte - binary.BigEndian.PutUint64(buf[:], uint64(x)) - return buf[:], nil -} -func (x *I64be) UnmarshalBinary(dat []byte) (int, error) { - if err := needNBytes(*x, dat, 8); err != nil { - return 0, err - } - *x = I64be(binary.BigEndian.Uint64(dat)) - return 8, nil -} |