From 621e49bb465f500cc46d47e39e828cf76d6381d7 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 24 Jul 2018 14:35:44 +0200 Subject: update vendor --- vendor/golang.org/x/text/secure/precis/class.go | 36 +++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 vendor/golang.org/x/text/secure/precis/class.go (limited to 'vendor/golang.org/x/text/secure/precis/class.go') diff --git a/vendor/golang.org/x/text/secure/precis/class.go b/vendor/golang.org/x/text/secure/precis/class.go new file mode 100644 index 0000000..f6b5641 --- /dev/null +++ b/vendor/golang.org/x/text/secure/precis/class.go @@ -0,0 +1,36 @@ +// Copyright 2015 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 precis + +import ( + "unicode/utf8" +) + +// TODO: Add contextual character rules from Appendix A of RFC5892. + +// A class is a set of characters that match certain derived properties. The +// PRECIS framework defines two classes: The Freeform class and the Identifier +// class. The freeform class should be used for profiles where expressiveness is +// prioritized over safety such as nicknames or passwords. The identifier class +// should be used for profiles where safety is the first priority such as +// addressable network labels and usernames. +type class struct { + validFrom property +} + +// Contains satisfies the runes.Set interface and returns whether the given rune +// is a member of the class. +func (c class) Contains(r rune) bool { + b := make([]byte, 4) + n := utf8.EncodeRune(b, r) + + trieval, _ := dpTrie.lookup(b[:n]) + return c.validFrom <= property(trieval) +} + +var ( + identifier = &class{validFrom: pValid} + freeform = &class{validFrom: idDisOrFreePVal} +) -- cgit v1.2.3