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-rw-r--r--vendor/github.com/tdewolff/parse/v2/binary.go601
-rw-r--r--vendor/github.com/tdewolff/parse/v2/binary_unix.go28
2 files changed, 178 insertions, 451 deletions
diff --git a/vendor/github.com/tdewolff/parse/v2/binary.go b/vendor/github.com/tdewolff/parse/v2/binary.go
index 7247e6e10..cf4f91d4a 100644
--- a/vendor/github.com/tdewolff/parse/v2/binary.go
+++ b/vendor/github.com/tdewolff/parse/v2/binary.go
@@ -5,360 +5,15 @@ import (
"errors"
"fmt"
"io"
- "math"
"os"
)
const PageSize = 4096
-// BinaryReader is a binary big endian file format reader.
-type BinaryReader struct {
- Endianness binary.ByteOrder
- buf []byte
- pos uint32
- eof bool
-}
-
-// NewBinaryReader returns a big endian binary file format reader.
-func NewBinaryReader(buf []byte) *BinaryReader {
- if math.MaxUint32 < uint(len(buf)) {
- return &BinaryReader{binary.BigEndian, nil, 0, true}
- }
- return &BinaryReader{binary.BigEndian, buf, 0, false}
-}
-
-// NewBinaryReaderLE returns a little endian binary file format reader.
-func NewBinaryReaderLE(buf []byte) *BinaryReader {
- r := NewBinaryReader(buf)
- r.Endianness = binary.LittleEndian
- return r
-}
-
-// Seek set the reader position in the buffer.
-func (r *BinaryReader) Seek(pos uint32) error {
- if uint32(len(r.buf)) < pos {
- r.eof = true
- return io.EOF
- }
- r.pos = pos
- r.eof = false
- return nil
-}
-
-// Pos returns the reader's position.
-func (r *BinaryReader) Pos() uint32 {
- return r.pos
-}
-
-// Len returns the remaining length of the buffer.
-func (r *BinaryReader) Len() uint32 {
- return uint32(len(r.buf)) - r.pos
-}
-
-// SetLen sets the remaining length of the underlying buffer.
-func (r *BinaryReader) SetLen(n uint32) {
- r.buf = r.buf[: r.pos+n : r.pos+n]
-}
-
-// EOF returns true if we reached the end-of-file.
-func (r *BinaryReader) EOF() bool {
- return r.eof
-}
-
-// Read complies with io.Reader.
-func (r *BinaryReader) Read(b []byte) (int, error) {
- n := copy(b, r.buf[r.pos:])
- r.pos += uint32(n)
- if r.pos == uint32(len(r.buf)) {
- r.eof = true
- return n, io.EOF
- }
- return n, nil
-}
-
-// ReadBytes reads n bytes.
-func (r *BinaryReader) ReadBytes(n uint32) []byte {
- if r.eof || uint32(len(r.buf))-r.pos < n {
- r.eof = true
- return nil
- }
- buf := r.buf[r.pos : r.pos+n : r.pos+n]
- r.pos += n
- return buf
-}
-
-// ReadString reads a string of length n.
-func (r *BinaryReader) ReadString(n uint32) string {
- return string(r.ReadBytes(n))
-}
-
-// ReadByte reads a single byte.
-func (r *BinaryReader) ReadByte() byte {
- b := r.ReadBytes(1)
- if b == nil {
- return 0
- }
- return b[0]
-}
-
-// ReadUint8 reads a uint8.
-func (r *BinaryReader) ReadUint8() uint8 {
- return r.ReadByte()
-}
-
-// ReadUint16 reads a uint16.
-func (r *BinaryReader) ReadUint16() uint16 {
- b := r.ReadBytes(2)
- if b == nil {
- return 0
- }
- return r.Endianness.Uint16(b)
-}
-
-// ReadUint24 reads a uint24 into a uint32.
-func (r *BinaryReader) ReadUint24() uint32 {
- b := r.ReadBytes(3)
- if b == nil {
- return 0
- } else if r.Endianness == binary.LittleEndian {
- return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16
- } else {
- return uint32(b[2]) | uint32(b[1])<<8 | uint32(b[0])<<16
- }
-}
-
-// ReadUint32 reads a uint32.
-func (r *BinaryReader) ReadUint32() uint32 {
- b := r.ReadBytes(4)
- if b == nil {
- return 0
- }
- return r.Endianness.Uint32(b)
-}
-
-// ReadUint64 reads a uint64.
-func (r *BinaryReader) ReadUint64() uint64 {
- b := r.ReadBytes(8)
- if b == nil {
- return 0
- }
- return r.Endianness.Uint64(b)
-}
-
-// ReadInt8 reads an int8.
-func (r *BinaryReader) ReadInt8() int8 {
- return int8(r.ReadByte())
-}
-
-// ReadInt16 reads an int16.
-func (r *BinaryReader) ReadInt16() int16 {
- return int16(r.ReadUint16())
-}
-
-// ReadInt24 reads a int24 into an int32.
-func (r *BinaryReader) ReadInt24() int32 {
- return int32(r.ReadUint24())
-}
-
-// ReadInt32 reads an int32.
-func (r *BinaryReader) ReadInt32() int32 {
- return int32(r.ReadUint32())
-}
-
-// ReadInt64 reads an int64.
-func (r *BinaryReader) ReadInt64() int64 {
- return int64(r.ReadUint64())
-}
-
-type BinaryFileReader struct {
- f *os.File
- size uint64
- offset uint64
-
- Endianness binary.ByteOrder
- buf []byte
- pos int
-}
-
-func NewBinaryFileReader(f *os.File, chunk int) (*BinaryFileReader, error) {
- var buf []byte
- var size uint64
- if chunk == 0 {
- var err error
- if buf, err = io.ReadAll(f); err != nil {
- return nil, err
- }
- } else {
- buf = make([]byte, 0, chunk)
- }
- if info, err := f.Stat(); err != nil {
- return nil, err
- } else {
- size = uint64(info.Size())
- }
- return &BinaryFileReader{
- f: f,
- size: size,
- Endianness: binary.BigEndian,
- buf: buf,
- }, nil
-}
-
-func (r *BinaryFileReader) buffer(pos, length uint64) error {
- if pos < r.offset || r.offset+uint64(len(r.buf)) < pos+length {
- if math.MaxInt64 < pos {
- return fmt.Errorf("seek position too large")
- } else if _, err := r.f.Seek(int64(pos), 0); err != nil {
- return err
- } else if n, err := r.f.Read(r.buf[:cap(r.buf)]); err != nil {
- return err
- } else {
- r.offset = pos
- r.buf = r.buf[:n]
- r.pos = 0
- }
- }
- return nil
-}
-
-// Seek set the reader position in the buffer.
-func (r *BinaryFileReader) Seek(pos uint64) error {
- if r.size <= pos {
- return io.EOF
- } else if err := r.buffer(pos, 0); err != nil {
- return err
- }
- r.pos = int(pos - r.offset)
- return nil
-}
-
-// Pos returns the reader's position.
-func (r *BinaryFileReader) Pos() uint64 {
- return r.offset + uint64(r.pos)
-}
-
-// Len returns the remaining length of the buffer.
-func (r *BinaryFileReader) Len() uint64 {
- return r.size - r.Pos()
-}
-
-// Offset returns the offset of the buffer.
-func (r *BinaryFileReader) Offset() uint64 {
- return r.offset
-}
-
-// BufferLen returns the length of the buffer.
-func (r *BinaryFileReader) BufferLen() int {
- return len(r.buf)
-}
-
-// Read complies with io.Reader.
-func (r *BinaryFileReader) Read(b []byte) (int, error) {
- if len(b) <= cap(r.buf) {
- if err := r.buffer(r.offset+uint64(r.pos), uint64(len(b))); err != nil {
- return 0, err
- }
- n := copy(b, r.buf[r.pos:])
- r.pos += n
- return n, nil
- }
-
- // read directly from file
- if _, err := r.f.Seek(int64(r.offset)+int64(r.pos), 0); err != nil {
- return 0, err
- }
- n, err := r.f.Read(b)
- r.offset += uint64(r.pos + n)
- r.pos = 0
- r.buf = r.buf[:0]
- return n, err
-}
-
-// ReadBytes reads n bytes.
-func (r *BinaryFileReader) ReadBytes(n int) []byte {
- if n < len(r.buf)-r.pos {
- b := r.buf[r.pos : r.pos+n]
- r.pos += n
- return b
- }
-
- b := make([]byte, n)
- if _, err := r.Read(b); err != nil {
- return nil
- }
- return b
-}
-
-// ReadString reads a string of length n.
-func (r *BinaryFileReader) ReadString(n int) string {
- return string(r.ReadBytes(n))
-}
-
-// ReadByte reads a single byte.
-func (r *BinaryFileReader) ReadByte() byte {
- b := r.ReadBytes(1)
- if b == nil {
- return 0
- }
- return b[0]
-}
-
-// ReadUint8 reads a uint8.
-func (r *BinaryFileReader) ReadUint8() uint8 {
- return r.ReadByte()
-}
-
-// ReadUint16 reads a uint16.
-func (r *BinaryFileReader) ReadUint16() uint16 {
- b := r.ReadBytes(2)
- if b == nil {
- return 0
- }
- return r.Endianness.Uint16(b)
-}
-
-// ReadUint32 reads a uint32.
-func (r *BinaryFileReader) ReadUint32() uint32 {
- b := r.ReadBytes(4)
- if b == nil {
- return 0
- }
- return r.Endianness.Uint32(b)
-}
-
-// ReadUint64 reads a uint64.
-func (r *BinaryFileReader) ReadUint64() uint64 {
- b := r.ReadBytes(8)
- if b == nil {
- return 0
- }
- return r.Endianness.Uint64(b)
-}
-
-// ReadInt8 reads a int8.
-func (r *BinaryFileReader) ReadInt8() int8 {
- return int8(r.ReadByte())
-}
-
-// ReadInt16 reads a int16.
-func (r *BinaryFileReader) ReadInt16() int16 {
- return int16(r.ReadUint16())
-}
-
-// ReadInt32 reads a int32.
-func (r *BinaryFileReader) ReadInt32() int32 {
- return int32(r.ReadUint32())
-}
-
-// ReadInt64 reads a int64.
-func (r *BinaryFileReader) ReadInt64() int64 {
- return int64(r.ReadUint64())
-}
-
type IBinaryReader interface {
+ Bytes([]byte, int64, int64) ([]byte, error)
+ Len() int64
Close() error
- Len() int
- Bytes(int, int64) ([]byte, error)
}
type binaryReaderFile struct {
@@ -385,20 +40,21 @@ func (r *binaryReaderFile) Close() error {
}
// Len returns the length of the underlying memory-mapped file.
-func (r *binaryReaderFile) Len() int {
- return int(r.size)
+func (r *binaryReaderFile) Len() int64 {
+ return r.size
}
-func (r *binaryReaderFile) Bytes(n int, off int64) ([]byte, error) {
+func (r *binaryReaderFile) Bytes(b []byte, n, off int64) ([]byte, error) {
if _, err := r.f.Seek(off, 0); err != nil {
return nil, err
+ } else if b == nil {
+ b = make([]byte, n)
}
- b := make([]byte, n)
m, err := r.f.Read(b)
if err != nil {
return nil, err
- } else if m != n {
+ } else if int64(m) != n {
return nil, errors.New("file: could not read all bytes")
}
return b, nil
@@ -418,20 +74,26 @@ func (r *binaryReaderBytes) Close() error {
}
// Len returns the length of the underlying memory-mapped file.
-func (r *binaryReaderBytes) Len() int {
- return len(r.data)
+func (r *binaryReaderBytes) Len() int64 {
+ return int64(len(r.data))
}
-func (r *binaryReaderBytes) Bytes(n int, off int64) ([]byte, error) {
- if off < 0 || int64(len(r.data)) < off {
- return nil, fmt.Errorf("bytes: invalid offset %d", off)
+func (r *binaryReaderBytes) Bytes(b []byte, n, off int64) ([]byte, error) {
+ if off < 0 || n < 0 || int64(len(r.data)) < off || int64(len(r.data))-off < n {
+ return nil, fmt.Errorf("bytes: invalid range %d--%d", off, off+n)
+ }
+
+ data := r.data[off : off+n : off+n]
+ if b == nil {
+ return data, nil
}
- return r.data[off : off+int64(n) : off+int64(n)], nil
+ copy(b, data)
+ return b, nil
}
type binaryReaderReader struct {
r io.Reader
- n int64
+ size int64
readerAt bool
seeker bool
}
@@ -451,31 +113,33 @@ func (r *binaryReaderReader) Close() error {
}
// Len returns the length of the underlying memory-mapped file.
-func (r *binaryReaderReader) Len() int {
- return int(r.n)
+func (r *binaryReaderReader) Len() int64 {
+ return r.size
}
-func (r *binaryReaderReader) Bytes(n int, off int64) ([]byte, error) {
+func (r *binaryReaderReader) Bytes(b []byte, n, off int64) ([]byte, error) {
+ if b == nil {
+ b = make([]byte, n)
+ }
+
// seeker seems faster than readerAt by 10%
if r.seeker {
if _, err := r.r.(io.Seeker).Seek(off, 0); err != nil {
return nil, err
}
- b := make([]byte, n)
m, err := r.r.Read(b)
if err != nil {
return nil, err
- } else if m != n {
+ } else if int64(m) != n {
return nil, errors.New("file: could not read all bytes")
}
return b, nil
} else if r.readerAt {
- b := make([]byte, n)
m, err := r.r.(io.ReaderAt).ReadAt(b, off)
if err != nil {
return nil, err
- } else if m != n {
+ } else if int64(m) != n {
return nil, errors.New("file: could not read all bytes")
}
return b, nil
@@ -483,22 +147,22 @@ func (r *binaryReaderReader) Bytes(n int, off int64) ([]byte, error) {
return nil, errors.New("io.Seeker and io.ReaderAt not implemented")
}
-type BinaryReader2 struct {
+type BinaryReader struct {
f IBinaryReader
pos int64
err error
- Endian binary.ByteOrder
+ ByteOrder binary.ByteOrder
}
-func NewBinaryReader2(f IBinaryReader) *BinaryReader2 {
- return &BinaryReader2{
- f: f,
- Endian: binary.BigEndian,
+func NewBinaryReader(f IBinaryReader) *BinaryReader {
+ return &BinaryReader{
+ f: f,
+ ByteOrder: binary.BigEndian,
}
}
-func NewBinaryReader2Reader(r io.Reader, n int64) (*BinaryReader2, error) {
+func NewBinaryReaderReader(r io.Reader, n int64) (*BinaryReader, error) {
_, isReaderAt := r.(io.ReaderAt)
_, isSeeker := r.(io.Seeker)
@@ -512,27 +176,44 @@ func NewBinaryReader2Reader(r io.Reader, n int64) (*BinaryReader2, error) {
}
f = newBinaryReaderBytes(b)
}
- return NewBinaryReader2(f), nil
+ return NewBinaryReader(f), nil
}
-func NewBinaryReader2Bytes(data []byte) *BinaryReader2 {
+func NewBinaryReaderBytes(data []byte) *BinaryReader {
f := newBinaryReaderBytes(data)
- return NewBinaryReader2(f)
+ return NewBinaryReader(f)
}
-func NewBinaryReader2File(filename string) (*BinaryReader2, error) {
+func NewBinaryReaderFile(filename string) (*BinaryReader, error) {
f, err := newBinaryReaderFile(filename)
if err != nil {
return nil, err
}
- return NewBinaryReader2(f), nil
+ return NewBinaryReader(f), nil
+}
+
+func (r *BinaryReader) IBinaryReader() IBinaryReader {
+ return r.f
+}
+
+func (r *BinaryReader) Clone() *BinaryReader {
+ f := r.f
+ if cloner, ok := f.(interface{ Clone() IBinaryReader }); ok {
+ f = cloner.Clone()
+ }
+ return &BinaryReader{
+ f: f,
+ pos: r.pos,
+ err: r.err,
+ ByteOrder: r.ByteOrder,
+ }
}
-func (r *BinaryReader2) Err() error {
+func (r *BinaryReader) Err() error {
return r.err
}
-func (r *BinaryReader2) Close() error {
+func (r *BinaryReader) Close() error {
if err := r.f.Close(); err != nil {
return err
}
@@ -540,150 +221,184 @@ func (r *BinaryReader2) Close() error {
}
// InPageCache returns true if the range is already in the page cache (for mmap).
-func (r *BinaryReader2) InPageCache(start, end int64) bool {
- index := int64(r.Pos()) / PageSize
+func (r *BinaryReader) InPageCache(start, end int64) bool {
+ index := r.Pos() / PageSize
return start/PageSize == index && end/PageSize == index
}
-// Free frees all previously read bytes, you cannot seek from before this position (for reader).
-func (r *BinaryReader2) Free() {
-}
-
// Pos returns the reader's position.
-func (r *BinaryReader2) Pos() int64 {
+func (r *BinaryReader) Pos() int64 {
return r.pos
}
// Len returns the remaining length of the buffer.
-func (r *BinaryReader2) Len() int {
- return int(int64(r.f.Len()) - int64(r.pos))
+func (r *BinaryReader) Len() int64 {
+ return r.f.Len() - r.pos
}
-func (r *BinaryReader2) Seek(pos int64) {
- r.pos = pos
+// Seek complies with io.Seeker.
+func (r *BinaryReader) Seek(off int64, whence int) (int64, error) {
+ if whence == 0 {
+ if off < 0 || r.f.Len() < off {
+ return 0, fmt.Errorf("invalid offset")
+ }
+ r.pos = off
+ } else if whence == 1 {
+ if r.pos+off < 0 || r.f.Len() < r.pos+off {
+ return 0, fmt.Errorf("invalid offset")
+ }
+ r.pos += off
+ } else if whence == 2 {
+ if off < -r.f.Len() || 0 < off {
+ return 0, fmt.Errorf("invalid offset")
+ }
+ r.pos = r.f.Len() - off
+ } else {
+ return 0, fmt.Errorf("invalid whence")
+ }
+ return r.pos, nil
}
// Read complies with io.Reader.
-func (r *BinaryReader2) Read(b []byte) (int, error) {
- data, err := r.f.Bytes(len(b), r.pos)
+func (r *BinaryReader) Read(b []byte) (int, error) {
+ data, err := r.f.Bytes(b, int64(len(b)), r.pos)
if err != nil && err != io.EOF {
return 0, err
}
- n := copy(b, data)
- r.pos += int64(len(b))
- return n, err
+ r.pos += int64(len(data))
+ return len(data), err
}
// ReadAt complies with io.ReaderAt.
-func (r *BinaryReader2) ReadAt(b []byte, off int64) (int, error) {
- data, err := r.f.Bytes(len(b), off)
+func (r *BinaryReader) ReadAt(b []byte, off int64) (int, error) {
+ data, err := r.f.Bytes(b, int64(len(b)), off)
if err != nil && err != io.EOF {
return 0, err
}
- n := copy(b, data)
- return n, err
+ return len(data), err
}
// ReadBytes reads n bytes.
-func (r *BinaryReader2) ReadBytes(n int) []byte {
- data, err := r.f.Bytes(n, r.pos)
+func (r *BinaryReader) ReadBytes(n int64) []byte {
+ data, err := r.f.Bytes(nil, n, r.pos)
if err != nil {
r.err = err
return nil
}
- r.pos += int64(n)
+ r.pos += n
return data
}
// ReadString reads a string of length n.
-func (r *BinaryReader2) ReadString(n int) string {
+func (r *BinaryReader) ReadString(n int64) string {
return string(r.ReadBytes(n))
}
// ReadByte reads a single byte.
-func (r *BinaryReader2) ReadByte() byte {
+func (r *BinaryReader) ReadByte() (byte, error) {
data := r.ReadBytes(1)
if data == nil {
- return 0
+ return 0, r.err
}
- return data[0]
+ return data[0], nil
}
// ReadUint8 reads a uint8.
-func (r *BinaryReader2) ReadUint8() uint8 {
- return r.ReadByte()
+func (r *BinaryReader) ReadUint8() uint8 {
+ data := r.ReadBytes(1)
+ if data == nil {
+ return 0
+ }
+ return data[0]
}
// ReadUint16 reads a uint16.
-func (r *BinaryReader2) ReadUint16() uint16 {
+func (r *BinaryReader) ReadUint16() uint16 {
data := r.ReadBytes(2)
if data == nil {
return 0
- } else if r.Endian == binary.LittleEndian {
+ } else if r.ByteOrder == binary.LittleEndian {
return uint16(data[1])<<8 | uint16(data[0])
}
return uint16(data[0])<<8 | uint16(data[1])
}
+// ReadUint24 reads a uint24 into a uint32.
+func (r *BinaryReader) ReadUint24() uint32 {
+ b := r.ReadBytes(3)
+ if b == nil {
+ return 0
+ } else if r.ByteOrder == binary.LittleEndian {
+ return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16
+ } else {
+ return uint32(b[2]) | uint32(b[1])<<8 | uint32(b[0])<<16
+ }
+}
+
// ReadUint32 reads a uint32.
-func (r *BinaryReader2) ReadUint32() uint32 {
+func (r *BinaryReader) ReadUint32() uint32 {
data := r.ReadBytes(4)
if data == nil {
return 0
- } else if r.Endian == binary.LittleEndian {
+ } else if r.ByteOrder == binary.LittleEndian {
return uint32(data[3])<<24 | uint32(data[2])<<16 | uint32(data[1])<<8 | uint32(data[0])
}
return uint32(data[0])<<24 | uint32(data[1])<<16 | uint32(data[2])<<8 | uint32(data[3])
}
// ReadUint64 reads a uint64.
-func (r *BinaryReader2) ReadUint64() uint64 {
+func (r *BinaryReader) ReadUint64() uint64 {
data := r.ReadBytes(8)
if data == nil {
return 0
- } else if r.Endian == binary.LittleEndian {
+ } else if r.ByteOrder == binary.LittleEndian {
return uint64(data[7])<<56 | uint64(data[6])<<48 | uint64(data[5])<<40 | uint64(data[4])<<32 | uint64(data[3])<<24 | uint64(data[2])<<16 | uint64(data[1])<<8 | uint64(data[0])
}
return uint64(data[0])<<56 | uint64(data[1])<<48 | uint64(data[2])<<40 | uint64(data[3])<<32 | uint64(data[4])<<24 | uint64(data[5])<<16 | uint64(data[6])<<8 | uint64(data[7])
}
// ReadInt8 reads a int8.
-func (r *BinaryReader2) ReadInt8() int8 {
- return int8(r.ReadByte())
+func (r *BinaryReader) ReadInt8() int8 {
+ return int8(r.ReadUint8())
}
// ReadInt16 reads a int16.
-func (r *BinaryReader2) ReadInt16() int16 {
+func (r *BinaryReader) ReadInt16() int16 {
return int16(r.ReadUint16())
}
+// ReadInt24 reads a int24 into an int32.
+func (r *BinaryReader) ReadInt24() int32 {
+ return int32(r.ReadUint24())
+}
+
// ReadInt32 reads a int32.
-func (r *BinaryReader2) ReadInt32() int32 {
+func (r *BinaryReader) ReadInt32() int32 {
return int32(r.ReadUint32())
}
// ReadInt64 reads a int64.
-func (r *BinaryReader2) ReadInt64() int64 {
+func (r *BinaryReader) ReadInt64() int64 {
return int64(r.ReadUint64())
}
// BinaryWriter is a big endian binary file format writer.
type BinaryWriter struct {
- buf []byte
- Endian binary.ByteOrder
+ buf []byte
+ ByteOrder binary.AppendByteOrder
}
// NewBinaryWriter returns a big endian binary file format writer.
func NewBinaryWriter(buf []byte) *BinaryWriter {
return &BinaryWriter{
- buf: buf,
- Endian: binary.BigEndian,
+ buf: buf,
+ ByteOrder: binary.BigEndian,
}
}
// Len returns the buffer's length in bytes.
-func (w *BinaryWriter) Len() uint32 {
- return uint32(len(w.buf))
+func (w *BinaryWriter) Len() int64 {
+ return int64(len(w.buf))
}
// Bytes returns the buffer's bytes.
@@ -719,23 +434,26 @@ func (w *BinaryWriter) WriteUint8(v uint8) {
// WriteUint16 writes the given uint16 to the buffer.
func (w *BinaryWriter) WriteUint16(v uint16) {
- pos := len(w.buf)
- w.buf = append(w.buf, make([]byte, 2)...)
- w.Endian.PutUint16(w.buf[pos:], v)
+ w.buf = w.ByteOrder.AppendUint16(w.buf, v)
+}
+
+// WriteUint24 writes the given uint32 as a uint24 to the buffer.
+func (w *BinaryWriter) WriteUint24(v uint32) {
+ if w.ByteOrder == binary.LittleEndian {
+ w.buf = append(w.buf, byte(v), byte(v>>8), byte(v>>16))
+ } else {
+ w.buf = append(w.buf, byte(v>>16), byte(v>>8), byte(v))
+ }
}
// WriteUint32 writes the given uint32 to the buffer.
func (w *BinaryWriter) WriteUint32(v uint32) {
- pos := len(w.buf)
- w.buf = append(w.buf, make([]byte, 4)...)
- w.Endian.PutUint32(w.buf[pos:], v)
+ w.buf = w.ByteOrder.AppendUint32(w.buf, v)
}
// WriteUint64 writes the given uint64 to the buffer.
func (w *BinaryWriter) WriteUint64(v uint64) {
- pos := len(w.buf)
- w.buf = append(w.buf, make([]byte, 8)...)
- w.Endian.PutUint64(w.buf[pos:], v)
+ w.buf = w.ByteOrder.AppendUint64(w.buf, v)
}
// WriteInt8 writes the given int8 to the buffer.
@@ -748,6 +466,11 @@ func (w *BinaryWriter) WriteInt16(v int16) {
w.WriteUint16(uint16(v))
}
+// WriteInt24 writes the given int32 as an in24 to the buffer.
+func (w *BinaryWriter) WriteInt24(v int32) {
+ w.WriteUint24(uint32(v))
+}
+
// WriteInt32 writes the given int32 to the buffer.
func (w *BinaryWriter) WriteInt32(v int32) {
w.WriteUint32(uint32(v))
@@ -794,7 +517,7 @@ func (r *BitmapReader) Read() bool {
// BitmapWriter is a binary bitmap writer.
type BitmapWriter struct {
buf []byte
- pos uint32
+ pos uint64
}
// NewBitmapWriter returns a binary bitmap writer.
@@ -803,8 +526,8 @@ func NewBitmapWriter(buf []byte) *BitmapWriter {
}
// Len returns the buffer's length in bytes.
-func (w *BitmapWriter) Len() uint32 {
- return uint32(len(w.buf))
+func (w *BitmapWriter) Len() int64 {
+ return int64(len(w.buf))
}
// Bytes returns the buffer's bytes.
@@ -814,7 +537,7 @@ func (w *BitmapWriter) Bytes() []byte {
// Write writes the next bit.
func (w *BitmapWriter) Write(bit bool) {
- if uint32(len(w.buf)) <= (w.pos+1)/8 {
+ if uint64(len(w.buf)) <= (w.pos+1)/8 {
w.buf = append(w.buf, 0)
}
if bit {
diff --git a/vendor/github.com/tdewolff/parse/v2/binary_unix.go b/vendor/github.com/tdewolff/parse/v2/binary_unix.go
index 70bb8767f..4a8979fda 100644
--- a/vendor/github.com/tdewolff/parse/v2/binary_unix.go
+++ b/vendor/github.com/tdewolff/parse/v2/binary_unix.go
@@ -5,7 +5,6 @@ package parse
import (
"errors"
"fmt"
- "io"
"os"
"runtime"
"syscall"
@@ -13,6 +12,7 @@ import (
type binaryReaderMmap struct {
data []byte
+ size int64
}
func newBinaryReaderMmap(filename string) (*binaryReaderMmap, error) {
@@ -47,7 +47,7 @@ func newBinaryReaderMmap(filename string) (*binaryReaderMmap, error) {
if err != nil {
return nil, err
}
- r := &binaryReaderMmap{data}
+ r := &binaryReaderMmap{data, size}
runtime.SetFinalizer(r, (*binaryReaderMmap).Close)
return r, nil
}
@@ -67,25 +67,29 @@ func (r *binaryReaderMmap) Close() error {
}
// Len returns the length of the underlying memory-mapped file.
-func (r *binaryReaderMmap) Len() int {
- return len(r.data)
+func (r *binaryReaderMmap) Len() int64 {
+ return r.size
}
-func (r *binaryReaderMmap) Bytes(n int, off int64) ([]byte, error) {
+func (r *binaryReaderMmap) Bytes(b []byte, n, off int64) ([]byte, error) {
if r.data == nil {
return nil, errors.New("mmap: closed")
- } else if off < 0 || int64(len(r.data)) < off {
- return nil, fmt.Errorf("mmap: invalid offset %d", off)
- } else if int64(len(r.data)-n) < off {
- return r.data[off:len(r.data):len(r.data)], io.EOF
+ } else if off < 0 || n < 0 || int64(len(r.data)) < off || int64(len(r.data))-off < n {
+ return nil, fmt.Errorf("mmap: invalid range %d--%d", off, off+n)
}
- return r.data[off : off+int64(n) : off+int64(n)], nil
+
+ data := r.data[off : off+n : off+n]
+ if b == nil {
+ return data, nil
+ }
+ copy(b, data)
+ return b, nil
}
-func NewBinaryReader2Mmap(filename string) (*BinaryReader2, error) {
+func NewBinaryReaderMmap(filename string) (*BinaryReader, error) {
f, err := newBinaryReaderMmap(filename)
if err != nil {
return nil, err
}
- return NewBinaryReader2(f), nil
+ return NewBinaryReader(f), nil
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-02 12:59:55 +0000