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// 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"
"golang.org/x/text/runes"
"golang.org/x/text/transform"
"golang.org/x/text/unicode/norm"
)
var (
// Implements the Nickname profile specified in RFC 8266.
Nickname *Profile = nickname
// Implements the UsernameCaseMapped profile specified in RFC 8265.
UsernameCaseMapped *Profile = usernameCaseMap
// Implements the UsernameCasePreserved profile specified in RFC 8265.
UsernameCasePreserved *Profile = usernameNoCaseMap
// Implements the OpaqueString profile defined in RFC 8265 for passwords and
// other secure labels.
OpaqueString *Profile = opaquestring
)
var (
nickname = &Profile{
options: getOpts(
AdditionalMapping(func() transform.Transformer {
return &nickAdditionalMapping{}
}),
IgnoreCase,
Norm(norm.NFKC),
DisallowEmpty,
repeat,
),
class: freeform,
}
usernameCaseMap = &Profile{
options: getOpts(
FoldWidth,
LowerCase(),
Norm(norm.NFC),
BidiRule,
),
class: identifier,
}
usernameNoCaseMap = &Profile{
options: getOpts(
FoldWidth,
Norm(norm.NFC),
BidiRule,
),
class: identifier,
}
opaquestring = &Profile{
options: getOpts(
AdditionalMapping(func() transform.Transformer {
return mapSpaces
}),
Norm(norm.NFC),
DisallowEmpty,
),
class: freeform,
}
)
// mapSpaces is a shared value of a runes.Map transformer.
var mapSpaces transform.Transformer = runes.Map(func(r rune) rune {
if unicode.Is(unicode.Zs, r) {
return ' '
}
return r
})
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