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-rw-r--r--vendor/gitlab.com/golang-commonmark/mdurl/util.go36
1 files changed, 36 insertions, 0 deletions
diff --git a/vendor/gitlab.com/golang-commonmark/mdurl/util.go b/vendor/gitlab.com/golang-commonmark/mdurl/util.go
new file mode 100644
index 00000000..0fd3ff33
--- /dev/null
+++ b/vendor/gitlab.com/golang-commonmark/mdurl/util.go
@@ -0,0 +1,36 @@
+// Copyright 2015 The 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 mdurl
+
+func hexDigit(b byte) bool {
+ return digit(b) || b >= 'a' && b <= 'f' || b >= 'A' && b <= 'F'
+}
+
+func unhex(b byte) byte {
+ switch {
+ case digit(b):
+ return b - '0'
+ case b >= 'a' && b <= 'f':
+ return b - 'a' + 10
+ case b >= 'A' && b <= 'F':
+ return b - 'A' + 10
+ }
+ panic("unhex: not a hex digit")
+}
+
+func letter(b byte) bool {
+ return b >= 'a' && b <= 'z' || b >= 'A' && b <= 'Z'
+}
+
+func digit(b byte) bool {
+ return b >= '0' && b <= '9'
+}
+
+func byteToUpper(b byte) byte {
+ if b >= 'a' && b <= 'z' {
+ return b - 'a' + 'A'
+ }
+ return b
+}