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-rw-r--r--vendor/golang.org/x/text/secure/precis/options.go157
1 files changed, 0 insertions, 157 deletions
diff --git a/vendor/golang.org/x/text/secure/precis/options.go b/vendor/golang.org/x/text/secure/precis/options.go
deleted file mode 100644
index 26143db..0000000
--- a/vendor/golang.org/x/text/secure/precis/options.go
+++ /dev/null
@@ -1,157 +0,0 @@
-// 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 (
- "golang.org/x/text/cases"
- "golang.org/x/text/language"
- "golang.org/x/text/runes"
- "golang.org/x/text/transform"
- "golang.org/x/text/unicode/norm"
-)
-
-// An Option is used to define the behavior and rules of a Profile.
-type Option func(*options)
-
-type options struct {
- // Preparation options
- foldWidth bool
-
- // Enforcement options
- asciiLower bool
- cases transform.SpanningTransformer
- disallow runes.Set
- norm transform.SpanningTransformer
- additional []func() transform.SpanningTransformer
- width transform.SpanningTransformer
- disallowEmpty bool
- bidiRule bool
- repeat bool
-
- // Comparison options
- ignorecase bool
-}
-
-func getOpts(o ...Option) (res options) {
- for _, f := range o {
- f(&res)
- }
- // Using a SpanningTransformer, instead of norm.Form prevents an allocation
- // down the road.
- if res.norm == nil {
- res.norm = norm.NFC
- }
- return
-}
-
-var (
- // The IgnoreCase option causes the profile to perform a case insensitive
- // comparison during the PRECIS comparison step.
- IgnoreCase Option = ignoreCase
-
- // The FoldWidth option causes the profile to map non-canonical wide and
- // narrow variants to their decomposition mapping. This is useful for
- // profiles that are based on the identifier class which would otherwise
- // disallow such characters.
- FoldWidth Option = foldWidth
-
- // The DisallowEmpty option causes the enforcement step to return an error if
- // the resulting string would be empty.
- DisallowEmpty Option = disallowEmpty
-
- // The BidiRule option causes the Bidi Rule defined in RFC 5893 to be
- // applied.
- BidiRule Option = bidiRule
-)
-
-var (
- ignoreCase = func(o *options) {
- o.ignorecase = true
- }
- foldWidth = func(o *options) {
- o.foldWidth = true
- }
- disallowEmpty = func(o *options) {
- o.disallowEmpty = true
- }
- bidiRule = func(o *options) {
- o.bidiRule = true
- }
- repeat = func(o *options) {
- o.repeat = true
- }
-)
-
-// TODO: move this logic to package transform
-
-type spanWrap struct{ transform.Transformer }
-
-func (s spanWrap) Span(src []byte, atEOF bool) (n int, err error) {
- return 0, transform.ErrEndOfSpan
-}
-
-// TODO: allow different types? For instance:
-// func() transform.Transformer
-// func() transform.SpanningTransformer
-// func([]byte) bool // validation only
-//
-// Also, would be great if we could detect if a transformer is reentrant.
-
-// The AdditionalMapping option defines the additional mapping rule for the
-// Profile by applying Transformer's in sequence.
-func AdditionalMapping(t ...func() transform.Transformer) Option {
- return func(o *options) {
- for _, f := range t {
- sf := func() transform.SpanningTransformer {
- return f().(transform.SpanningTransformer)
- }
- if _, ok := f().(transform.SpanningTransformer); !ok {
- sf = func() transform.SpanningTransformer {
- return spanWrap{f()}
- }
- }
- o.additional = append(o.additional, sf)
- }
- }
-}
-
-// The Norm option defines a Profile's normalization rule. Defaults to NFC.
-func Norm(f norm.Form) Option {
- return func(o *options) {
- o.norm = f
- }
-}
-
-// The FoldCase option defines a Profile's case mapping rule. Options can be
-// provided to determine the type of case folding used.
-func FoldCase(opts ...cases.Option) Option {
- return func(o *options) {
- o.asciiLower = true
- o.cases = cases.Fold(opts...)
- }
-}
-
-// The LowerCase option defines a Profile's case mapping rule. Options can be
-// provided to determine the type of case folding used.
-func LowerCase(opts ...cases.Option) Option {
- return func(o *options) {
- o.asciiLower = true
- if len(opts) == 0 {
- o.cases = cases.Lower(language.Und, cases.HandleFinalSigma(false))
- return
- }
-
- opts = append([]cases.Option{cases.HandleFinalSigma(false)}, opts...)
- o.cases = cases.Lower(language.Und, opts...)
- }
-}
-
-// The Disallow option further restricts a Profile's allowed characters beyond
-// what is disallowed by the underlying string class.
-func Disallow(set runes.Set) Option {
- return func(o *options) {
- o.disallow = set
- }
-}