1 files changed, 109 insertions, 0 deletions

diff --git a/vendor/golang.org/x/text/unicode/norm/input.go b/vendor/golang.org/x/text/unicode/norm/input.go
new file mode 100644
index 0000000..479e35b
--- /dev/null
+++ b/vendor/golang.org/x/text/unicode/norm/input.go
@@ -0,0 +1,109 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package norm
+
+import "unicode/utf8"
+
+type input struct {
+        str   string
+        bytes []byte
+}
+
+func inputBytes(str []byte) input {
+        return input{bytes: str}
+}
+
+func inputString(str string) input {
+        return input{str: str}
+}
+
+func (in *input) setBytes(str []byte) {
+        in.str = ""
+        in.bytes = str
+}
+
+func (in *input) setString(str string) {
+        in.str = str
+        in.bytes = nil
+}
+
+func (in *input) _byte(p int) byte {
+        if in.bytes == nil {
+                return in.str[p]
+        }
+        return in.bytes[p]
+}
+
+func (in *input) skipASCII(p, max int) int {
+        if in.bytes == nil {
+                for ; p < max && in.str[p] < utf8.RuneSelf; p++ {
+                }
+        } else {
+                for ; p < max && in.bytes[p] < utf8.RuneSelf; p++ {
+                }
+        }
+        return p
+}
+
+func (in *input) skipContinuationBytes(p int) int {
+        if in.bytes == nil {
+                for ; p < len(in.str) && !utf8.RuneStart(in.str[p]); p++ {
+                }
+        } else {
+                for ; p < len(in.bytes) && !utf8.RuneStart(in.bytes[p]); p++ {
+                }
+        }
+        return p
+}
+
+func (in *input) appendSlice(buf []byte, b, e int) []byte {
+        if in.bytes != nil {
+                return append(buf, in.bytes[b:e]...)
+        }
+        for i := b; i < e; i++ {
+                buf = append(buf, in.str[i])
+        }
+        return buf
+}
+
+func (in *input) copySlice(buf []byte, b, e int) int {
+        if in.bytes == nil {
+                return copy(buf, in.str[b:e])
+        }
+        return copy(buf, in.bytes[b:e])
+}
+
+func (in *input) charinfoNFC(p int) (uint16, int) {
+        if in.bytes == nil {
+                return nfcData.lookupString(in.str[p:])
+        }
+        return nfcData.lookup(in.bytes[p:])
+}
+
+func (in *input) charinfoNFKC(p int) (uint16, int) {
+        if in.bytes == nil {
+                return nfkcData.lookupString(in.str[p:])
+        }
+        return nfkcData.lookup(in.bytes[p:])
+}
+
+func (in *input) hangul(p int) (r rune) {
+        var size int
+        if in.bytes == nil {
+                if !isHangulString(in.str[p:]) {
+                        return 0
+                }
+                r, size = utf8.DecodeRuneInString(in.str[p:])
+        } else {
+                if !isHangul(in.bytes[p:]) {
+                        return 0
+                }
+                r, size = utf8.DecodeRune(in.bytes[p:])
+        }
+        if size != hangulUTF8Size {
+                return 0
+        }
+        return r
+}