Merge pull request #214 from NyaaaWhatsUpDoc/improvement/update-storage-library

add git.iim.gay/grufwub/go-store for storage backend, replacing blob.Storage

1 files changed, 261 insertions, 0 deletions

diff --git a/vendor/git.iim.gay/grufwub/go-bytes/bytes.go b/vendor/git.iim.gay/grufwub/go-bytes/bytes.go
new file mode 100644
index 000000000..5fef75d56
--- /dev/null
+++ b/vendor/git.iim.gay/grufwub/go-bytes/bytes.go
@@ -0,0 +1,261 @@
+package bytes
+
+import (
+	"bytes"
+	"reflect"
+	"unsafe"
+)
+
+var (
+	_ Bytes = &Buffer{}
+	_ Bytes = bytesType{}
+)
+
+// Bytes defines a standard way of retrieving the content of a
+// byte buffer of some-kind.
+type Bytes interface {
+	// Bytes returns the byte slice content
+	Bytes() []byte
+
+	// String returns byte slice cast directly to string, this
+	// will cause an allocation but comes with the safety of
+	// being an immutable Go string
+	String() string
+
+	// StringPtr returns byte slice cast to string via the unsafe
+	// package. This comes with the same caveats of accessing via
+	// .Bytes() in that the content is liable change and is NOT
+	// immutable, despite being a string type
+	StringPtr() string
+}
+
+type bytesType []byte
+
+func (b bytesType) Bytes() []byte {
+	return b
+}
+
+func (b bytesType) String() string {
+	return string(b)
+}
+
+func (b bytesType) StringPtr() string {
+	return BytesToString(b)
+}
+
+// ToBytes casts the provided byte slice as the simplest possible
+// Bytes interface implementation
+func ToBytes(b []byte) Bytes {
+	return bytesType(b)
+}
+
+// Copy returns a new copy of slice b, does NOT maintain nil values
+func Copy(b []byte) []byte {
+	p := make([]byte, len(b))
+	copy(p, b)
+	return p
+}
+
+// BytesToString returns byte slice cast to string via the "unsafe" package
+func BytesToString(b []byte) string {
+	return *(*string)(unsafe.Pointer(&b))
+}
+
+// StringToBytes returns the string cast to string via the "unsafe" and "reflect" packages
+func StringToBytes(s string) []byte {
+	// thank you to https://github.com/valyala/fasthttp/blob/master/bytesconv.go
+	var b []byte
+
+	// Get byte + string headers
+	bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
+	sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
+
+	// Manually set bytes to string
+	bh.Data = sh.Data
+	bh.Len = sh.Len
+	bh.Cap = sh.Len
+
+	return b
+}
+
+// // InsertByte inserts the supplied byte into the slice at provided position
+// func InsertByte(b []byte, at int, c byte) []byte {
+// 	return append(append(b[:at], c), b[at:]...)
+// }
+
+// // Insert inserts the supplied byte slice into the slice at provided position
+// func Insert(b []byte, at int, s []byte) []byte {
+// 	return append(append(b[:at], s...), b[at:]...)
+// }
+
+// ToUpper offers a faster ToUpper implementation using a lookup table
+func ToUpper(b []byte) {
+	for i := 0; i < len(b); i++ {
+		c := &b[i]
+		*c = toUpperTable[*c]
+	}
+}
+
+// ToLower offers a faster ToLower implementation using a lookup table
+func ToLower(b []byte) {
+	for i := 0; i < len(b); i++ {
+		c := &b[i]
+		*c = toLowerTable[*c]
+	}
+}
+
+// HasBytePrefix returns whether b has the provided byte prefix
+func HasBytePrefix(b []byte, c byte) bool {
+	return (len(b) > 0) && (b[0] == c)
+}
+
+// HasByteSuffix returns whether b has the provided byte suffix
+func HasByteSuffix(b []byte, c byte) bool {
+	return (len(b) > 0) && (b[len(b)-1] == c)
+}
+
+// HasBytePrefix returns b without the provided leading byte
+func TrimBytePrefix(b []byte, c byte) []byte {
+	if HasBytePrefix(b, c) {
+		return b[1:]
+	}
+	return b
+}
+
+// TrimByteSuffix returns b without the provided trailing byte
+func TrimByteSuffix(b []byte, c byte) []byte {
+	if HasByteSuffix(b, c) {
+		return b[:len(b)-1]
+	}
+	return b
+}
+
+// Compare is a direct call-through to standard library bytes.Compare()
+func Compare(b, s []byte) int {
+	return bytes.Compare(b, s)
+}
+
+// Contains is a direct call-through to standard library bytes.Contains()
+func Contains(b, s []byte) bool {
+	return bytes.Contains(b, s)
+}
+
+// TrimPrefix is a direct call-through to standard library bytes.TrimPrefix()
+func TrimPrefix(b, s []byte) []byte {
+	return bytes.TrimPrefix(b, s)
+}
+
+// TrimSuffix is a direct call-through to standard library bytes.TrimSuffix()
+func TrimSuffix(b, s []byte) []byte {
+	return bytes.TrimSuffix(b, s)
+}
+
+// Equal is a direct call-through to standard library bytes.Equal()
+func Equal(b, s []byte) bool {
+	return bytes.Equal(b, s)
+}
+
+// EqualFold is a direct call-through to standard library bytes.EqualFold()
+func EqualFold(b, s []byte) bool {
+	return bytes.EqualFold(b, s)
+}
+
+// Fields is a direct call-through to standard library bytes.Fields()
+func Fields(b []byte) [][]byte {
+	return bytes.Fields(b)
+}
+
+// FieldsFunc is a direct call-through to standard library bytes.FieldsFunc()
+func FieldsFunc(b []byte, fn func(rune) bool) [][]byte {
+	return bytes.FieldsFunc(b, fn)
+}
+
+// HasPrefix is a direct call-through to standard library bytes.HasPrefix()
+func HasPrefix(b, s []byte) bool {
+	return bytes.HasPrefix(b, s)
+}
+
+// HasSuffix is a direct call-through to standard library bytes.HasSuffix()
+func HasSuffix(b, s []byte) bool {
+	return bytes.HasSuffix(b, s)
+}
+
+// Index is a direct call-through to standard library bytes.Index()
+func Index(b, s []byte) int {
+	return bytes.Index(b, s)
+}
+
+// IndexByte is a direct call-through to standard library bytes.IndexByte()
+func IndexByte(b []byte, c byte) int {
+	return bytes.IndexByte(b, c)
+}
+
+// IndexAny is a direct call-through to standard library bytes.IndexAny()
+func IndexAny(b []byte, s string) int {
+	return bytes.IndexAny(b, s)
+}
+
+// IndexRune is a direct call-through to standard library bytes.IndexRune()
+func IndexRune(b []byte, r rune) int {
+	return bytes.IndexRune(b, r)
+}
+
+// IndexFunc is a direct call-through to standard library bytes.IndexFunc()
+func IndexFunc(b []byte, fn func(rune) bool) int {
+	return bytes.IndexFunc(b, fn)
+}
+
+// LastIndex is a direct call-through to standard library bytes.LastIndex()
+func LastIndex(b, s []byte) int {
+	return bytes.LastIndex(b, s)
+}
+
+// LastIndexByte is a direct call-through to standard library bytes.LastIndexByte()
+func LastIndexByte(b []byte, c byte) int {
+	return bytes.LastIndexByte(b, c)
+}
+
+// LastIndexAny is a direct call-through to standard library bytes.LastIndexAny()
+func LastIndexAny(b []byte, s string) int {
+	return bytes.LastIndexAny(b, s)
+}
+
+// LastIndexFunc is a direct call-through to standard library bytes.LastIndexFunc()
+func LastIndexFunc(b []byte, fn func(rune) bool) int {
+	return bytes.LastIndexFunc(b, fn)
+}
+
+// Replace is a direct call-through to standard library bytes.Replace()
+func Replace(b, s, r []byte, c int) []byte {
+	return bytes.Replace(b, s, r, c)
+}
+
+// ReplaceAll is a direct call-through to standard library bytes.ReplaceAll()
+func ReplaceAll(b, s, r []byte) []byte {
+	return bytes.ReplaceAll(b, s, r)
+}
+
+// Split is a direct call-through to standard library bytes.Split()
+func Split(b, s []byte) [][]byte {
+	return bytes.Split(b, s)
+}
+
+// SplitAfter is a direct call-through to standard library bytes.SplitAfter()
+func SplitAfter(b, s []byte) [][]byte {
+	return bytes.SplitAfter(b, s)
+}
+
+// SplitN is a direct call-through to standard library bytes.SplitN()
+func SplitN(b, s []byte, c int) [][]byte {
+	return bytes.SplitN(b, s, c)
+}
+
+// SplitAfterN is a direct call-through to standard library bytes.SplitAfterN()
+func SplitAfterN(b, s []byte, c int) [][]byte {
+	return bytes.SplitAfterN(b, s, c)
+}
+
+// NewReader is a direct call-through to standard library bytes.NewReader()
+func NewReader(b []byte) *bytes.Reader {
+	return bytes.NewReader(b)
+}