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Diffstat (limited to 'vendor/codeberg.org/gruf/go-byteutil')
-rw-r--r--vendor/codeberg.org/gruf/go-byteutil/bytes.go49
-rw-r--r--vendor/codeberg.org/gruf/go-byteutil/reader.go36
2 files changed, 48 insertions, 37 deletions
diff --git a/vendor/codeberg.org/gruf/go-byteutil/bytes.go b/vendor/codeberg.org/gruf/go-byteutil/bytes.go
index eb57a90de..227feaaa7 100644
--- a/vendor/codeberg.org/gruf/go-byteutil/bytes.go
+++ b/vendor/codeberg.org/gruf/go-byteutil/bytes.go
@@ -18,17 +18,20 @@ func Copy(b []byte) []byte {
// B2S returns a string representation of []byte without allocation.
//
// According to the Go spec strings are immutable and byte slices are not. The way this gets implemented is strings under the hood are:
-// type StringHeader struct {
-// Data uintptr
-// Len int
-// }
+//
+// type StringHeader struct {
+// Data uintptr
+// Len int
+// }
//
// while slices are:
-// type SliceHeader struct {
-// Data uintptr
-// Len int
-// Cap int
-// }
+//
+// type SliceHeader struct {
+// Data uintptr
+// Len int
+// Cap int
+// }
+//
// because being mutable, you can change the data, length etc, but the string has to promise to be read-only to all who get copies of it.
//
// So in practice when you do a conversion of `string(byteSlice)` it actually performs an allocation because it has to copy the contents of the byte slice into a safe read-only state.
@@ -54,31 +57,3 @@ func S2B(s string) []byte {
return b
}
-
-// ToUpper offers a faster ToUpper implementation using a lookup table.
-func ToUpper(b []byte) {
- const toUpperTable = "\x00\x01\x02\x03\x04\x05\x06\a\b\t\n\v\f\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
- " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~" +
- "\u007f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96" +
- "\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" +
- "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8" +
- "\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1" +
- "\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
- for i := 0; i < len(b); i++ {
- b[i] = toUpperTable[b[i]]
- }
-}
-
-// ToLower offers a faster ToLower implementation using a lookup table.
-func ToLower(b []byte) {
- const toLowerTable = "\x00\x01\x02\x03\x04\x05\x06\a\b\t\n\v\f\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
- " !\"#$%&'()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~" +
- "\u007f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96" +
- "\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" +
- "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8" +
- "\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1" +
- "\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
- for i := 0; i < len(b); i++ {
- b[i] = toLowerTable[b[i]]
- }
-}
diff --git a/vendor/codeberg.org/gruf/go-byteutil/reader.go b/vendor/codeberg.org/gruf/go-byteutil/reader.go
new file mode 100644
index 000000000..94c755ff4
--- /dev/null
+++ b/vendor/codeberg.org/gruf/go-byteutil/reader.go
@@ -0,0 +1,36 @@
+package byteutil
+
+import "bytes"
+
+// Reader wraps a bytes.Reader{} to provide Rewind() capabilities.
+type Reader struct {
+ B []byte
+ bytes.Reader
+}
+
+// NewReader returns a new Reader{} instance reset to b.
+func NewReader(b []byte) *Reader {
+ r := &Reader{}
+ r.Reset(b)
+ return r
+}
+
+// Reset resets the Reader{} to be reading from b and sets Reader{}.B.
+func (r *Reader) Reset(b []byte) {
+ r.B = b
+ r.Rewind()
+}
+
+// Rewind resets the Reader{} to be reading from the start of Reader{}.B.
+func (r *Reader) Rewind() {
+ r.Reader.Reset(r.B)
+}
+
+// ReadNopCloser wraps a Reader{} to provide nop close method.
+type ReadNopCloser struct {
+ Reader
+}
+
+func (*ReadNopCloser) Close() error {
+ return nil
+}