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Diffstat (limited to 'vendor/golang.org/x/text/unicode/runenames/runenames.go')
-rw-r--r--vendor/golang.org/x/text/unicode/runenames/runenames.go48
1 files changed, 48 insertions, 0 deletions
diff --git a/vendor/golang.org/x/text/unicode/runenames/runenames.go b/vendor/golang.org/x/text/unicode/runenames/runenames.go
new file mode 100644
index 0000000..3154a22
--- /dev/null
+++ b/vendor/golang.org/x/text/unicode/runenames/runenames.go
@@ -0,0 +1,48 @@
+// Copyright 2016 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.
+
+//go:generate go run gen.go gen_bits.go
+
+// Package runenames provides rune names from the Unicode Character Database.
+// For example, the name for '\u0100' is "LATIN CAPITAL LETTER A WITH MACRON".
+//
+// See http://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt
+package runenames
+
+import (
+ "sort"
+)
+
+// Name returns the name for r.
+func Name(r rune) string {
+ i := sort.Search(len(table0), func(j int) bool {
+ e := table0[j]
+ rOffset := rune(e >> shiftRuneOffset)
+ return r < rOffset
+ })
+ if i == 0 {
+ return ""
+ }
+
+ e := table0[i-1]
+ rOffset := rune(e >> shiftRuneOffset)
+ rLength := rune(e>>shiftRuneLength) & maskRuneLength
+ if r >= rOffset+rLength {
+ return ""
+ }
+
+ if (e>>shiftDirect)&maskDirect != 0 {
+ o := int(e>>shiftDataOffset) & maskDataOffset
+ n := int(e>>shiftDataLength) & maskDataLength
+ return data[o : o+n]
+ }
+
+ base := uint32(e>>shiftDataBase) & maskDataBase
+ base <<= dataBaseUnit
+ j := rune(e>>shiftTable1Offset) & maskTable1Offset
+ j += r - rOffset
+ d0 := base + uint32(table1[j-1]) // dataOffset
+ d1 := base + uint32(table1[j-0]) // dataOffset + dataLength
+ return data[d0:d1]
+}