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-rw-r--r--vendor/codeberg.org/gruf/go-byteutil/buffer.go174
1 files changed, 0 insertions, 174 deletions
diff --git a/vendor/codeberg.org/gruf/go-byteutil/buffer.go b/vendor/codeberg.org/gruf/go-byteutil/buffer.go
deleted file mode 100644
index 8259429d6..000000000
--- a/vendor/codeberg.org/gruf/go-byteutil/buffer.go
+++ /dev/null
@@ -1,174 +0,0 @@
-package byteutil
-
-import (
- "errors"
- "io"
- "unicode/utf8"
-)
-
-var (
- // ensure we conform
- // to interfaces.
- _ interface {
- io.Writer
- io.ByteWriter
- WriteRune(rune) (int, error)
- io.StringWriter
- io.WriterAt
- WriteStringAt(string, int64) (int, error)
- io.ReaderFrom
- io.WriterTo
- } = (*Buffer)(nil)
-
- // ErrBeyondBufferLen is returned if .WriteAt() is attempted beyond buffer length.
- ErrBeyondBufferLen = errors.New("start beyond buffer length")
-)
-
-// Buffer is a simple wrapper around a byte slice.
-type Buffer struct{ B []byte }
-
-// WriteByte will append given byte to buffer, fulfilling io.ByteWriter.
-func (buf *Buffer) WriteByte(c byte) error {
- buf.B = append(buf.B, c)
- return nil
-}
-
-// WriteRune will append given rune to buffer.
-func (buf *Buffer) WriteRune(r rune) (int, error) {
- // Check for single-byte rune
- if r < utf8.RuneSelf {
- buf.B = append(buf.B, byte(r))
- return 1, nil
- }
-
- // Before-len
- l := len(buf.B)
-
- // Grow to max size rune
- buf.Grow(utf8.UTFMax)
-
- // Write encoded rune to buffer
- n := utf8.EncodeRune(buf.B[l:len(buf.B)], r)
- buf.B = buf.B[:l+n]
-
- return n, nil
-}
-
-// Write will append given byte slice to buffer, fulfilling io.Writer.
-func (buf *Buffer) Write(b []byte) (int, error) {
- buf.B = append(buf.B, b...)
- return len(b), nil
-}
-
-// WriteString will append given string to buffer, fulfilling io.StringWriter.
-func (buf *Buffer) WriteString(s string) (int, error) {
- buf.B = append(buf.B, s...)
- return len(s), nil
-}
-
-// WriteAt will append given byte slice to buffer at index 'start', fulfilling io.WriterAt.
-func (buf *Buffer) WriteAt(b []byte, start int64) (int, error) {
- if start > int64(len(buf.B)) {
- return 0, ErrBeyondBufferLen
- }
- buf.Grow(len(b) - int(int64(len(buf.B))-start))
- return copy(buf.B[start:], b), nil
-}
-
-// WriteStringAt will append given string to buffer at index 'start'.
-func (buf *Buffer) WriteStringAt(s string, start int64) (int, error) {
- if start > int64(len(buf.B)) {
- return 0, ErrBeyondBufferLen
- }
- buf.Grow(len(s) - int(int64(len(buf.B))-start))
- return copy(buf.B[start:], s), nil
-}
-
-// ReadFrom will read bytes from reader into buffer, fulfilling io.ReaderFrom.
-func (buf *Buffer) ReadFrom(r io.Reader) (int64, error) {
- var nn int64
-
- // Ensure there's cap
- // for a first read.
- buf.Guarantee(512)
-
- for {
- // Read into next chunk of buffer.
- n, err := r.Read(buf.B[len(buf.B):cap(buf.B)])
-
- // Reslice buf + update count.
- buf.B = buf.B[:len(buf.B)+n]
- nn += int64(n)
-
- if err != nil {
- if err == io.EOF {
- // mask EOF.
- err = nil
- }
- return nn, err
- }
-
- if len(buf.B) == cap(buf.B) {
- // Add capacity (let append pick).
- buf.B = append(buf.B, 0)[:len(buf.B)]
- }
- }
-}
-
-// WriteTo will write bytes from buffer into writer, fulfilling io.WriterTo.
-func (buf *Buffer) WriteTo(w io.Writer) (int64, error) {
- n, err := w.Write(buf.B)
- return int64(n), err
-}
-
-// Len returns the length of the buffer's underlying byte slice.
-func (buf *Buffer) Len() int {
- return len(buf.B)
-}
-
-// Cap returns the capacity of the buffer's underlying byte slice.
-func (buf *Buffer) Cap() int {
- return cap(buf.B)
-}
-
-// Grow will increase the buffers length by 'sz', and the capacity by at least this.
-func (buf *Buffer) Grow(sz int) {
- buf.Guarantee(sz)
- buf.B = buf.B[:len(buf.B)+sz]
-}
-
-// Guarantee will guarantee buffer containers at least 'sz' remaining capacity.
-func (buf *Buffer) Guarantee(sz int) {
- if sz > cap(buf.B)-len(buf.B) {
- nb := make([]byte, 2*cap(buf.B)+sz)
- copy(nb, buf.B)
- buf.B = nb[:len(buf.B)]
- }
-}
-
-// Truncate will reduce the length of the buffer by 'n'.
-func (buf *Buffer) Truncate(n int) {
- if n > len(buf.B) {
- n = len(buf.B)
- }
- buf.B = buf.B[:len(buf.B)-n]
-}
-
-// Reset will reset the buffer length to 0 (retains capacity).
-func (buf *Buffer) Reset() {
- buf.B = buf.B[:0]
-}
-
-// String returns the underlying byte slice as a string. Please note
-// this value is tied directly to the underlying byte slice, if you
-// write to the buffer then returned string values will also change.
-//
-// To get an immutable string from buffered data, use string(buf.B).
-func (buf *Buffer) String() string {
- return B2S(buf.B)
-}
-
-// Full returns the full capacity byteslice allocated for this buffer.
-func (buf *Buffer) Full() []byte {
- return buf.B[0:cap(buf.B)]
-}