diff options
Diffstat (limited to 'vendor/codeberg.org/gruf/go-bytes/buffer.go')
-rw-r--r-- | vendor/codeberg.org/gruf/go-bytes/buffer.go | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/vendor/codeberg.org/gruf/go-bytes/buffer.go b/vendor/codeberg.org/gruf/go-bytes/buffer.go deleted file mode 100644 index 5c3b2cb5b..000000000 --- a/vendor/codeberg.org/gruf/go-bytes/buffer.go +++ /dev/null @@ -1,131 +0,0 @@ -package bytes - -import ( - "unicode/utf8" -) - -// Buffer is a very simple buffer implementation that allows -// access to and reslicing of the underlying byte slice. -type Buffer struct { - B []byte -} - -func NewBuffer(b []byte) Buffer { - return Buffer{ - B: b, - } -} - -func (b *Buffer) Write(p []byte) (int, error) { - b.Grow(len(p)) - return copy(b.B[b.Len()-len(p):], p), nil -} - -func (b *Buffer) WriteString(s string) (int, error) { - b.Grow(len(s)) - return copy(b.B[b.Len()-len(s):], s), nil -} - -func (b *Buffer) WriteByte(c byte) error { - l := b.Len() - b.Grow(1) - b.B[l] = c - return nil -} - -func (b *Buffer) WriteRune(r rune) (int, error) { - if r < utf8.RuneSelf { - b.WriteByte(byte(r)) - return 1, nil - } - - l := b.Len() - b.Grow(utf8.UTFMax) - n := utf8.EncodeRune(b.B[l:b.Len()], r) - b.B = b.B[:l+n] - - return n, nil -} - -func (b *Buffer) WriteAt(p []byte, start int64) (int, error) { - b.Grow(len(p) - int(int64(b.Len())-start)) - return copy(b.B[start:], p), nil -} - -func (b *Buffer) WriteStringAt(s string, start int64) (int, error) { - b.Grow(len(s) - int(int64(b.Len())-start)) - return copy(b.B[start:], s), nil -} - -func (b *Buffer) Truncate(size int) { - b.B = b.B[:b.Len()-size] -} - -func (b *Buffer) ShiftByte(index int) { - copy(b.B[index:], b.B[index+1:]) -} - -func (b *Buffer) Shift(start int64, size int) { - copy(b.B[start:], b.B[start+int64(size):]) -} - -func (b *Buffer) DeleteByte(index int) { - b.ShiftByte(index) - b.Truncate(1) -} - -func (b *Buffer) Delete(start int64, size int) { - b.Shift(start, size) - b.Truncate(size) -} - -func (b *Buffer) InsertByte(index int64, c byte) { - l := b.Len() - b.Grow(1) - copy(b.B[index+1:], b.B[index:l]) - b.B[index] = c -} - -func (b *Buffer) Insert(index int64, p []byte) { - l := b.Len() - b.Grow(len(p)) - copy(b.B[index+int64(len(p)):], b.B[index:l]) - copy(b.B[index:], p) -} - -func (b *Buffer) Bytes() []byte { - return b.B -} - -func (b *Buffer) String() string { - return string(b.B) -} - -func (b *Buffer) StringPtr() string { - return BytesToString(b.B) -} - -func (b *Buffer) Cap() int { - return cap(b.B) -} - -func (b *Buffer) Len() int { - return len(b.B) -} - -func (b *Buffer) Reset() { - b.B = b.B[:0] -} - -func (b *Buffer) Grow(size int) { - b.Guarantee(size) - b.B = b.B[:b.Len()+size] -} - -func (b *Buffer) Guarantee(size int) { - if size > b.Cap()-b.Len() { - nb := make([]byte, 2*b.Cap()+size) - copy(nb, b.B) - b.B = nb[:b.Len()] - } -} |