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ec723b2112
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. sample-controller: add example CRD controller **What this PR does / why we need it**: Adds a sample-controller example repository fixes #52752 **Special notes for your reviewer**: This is currently based on the sttts:sttts-codegen-scripts branch and should not be merged until that is (ref https://github.com/kubernetes/kubernetes/pull/52186) **Release note**: ``` Add sample-controller repository ``` /cc @sttts @nikhita @colemickens Kubernetes-commit: 9a7800f7d2efb88b397674672ac56f898826cf7c
71 lines
1.9 KiB
Go
71 lines
1.9 KiB
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package precis
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import (
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"unicode"
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"unicode/utf8"
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"golang.org/x/text/transform"
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)
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type nickAdditionalMapping struct {
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// TODO: This transformer needs to be stateless somehow…
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notStart bool
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prevSpace bool
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}
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func (t *nickAdditionalMapping) Reset() {
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t.prevSpace = false
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t.notStart = false
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}
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func (t *nickAdditionalMapping) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
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// RFC 7700 §2.1. Rules
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//
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// 2. Additional Mapping Rule: The additional mapping rule consists of
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// the following sub-rules.
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//
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// 1. Any instances of non-ASCII space MUST be mapped to ASCII
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// space (U+0020); a non-ASCII space is any Unicode code point
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// having a general category of "Zs", naturally with the
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// exception of U+0020.
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//
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// 2. Any instances of the ASCII space character at the beginning
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// or end of a nickname MUST be removed (e.g., "stpeter " is
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// mapped to "stpeter").
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//
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// 3. Interior sequences of more than one ASCII space character
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// MUST be mapped to a single ASCII space character (e.g.,
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// "St Peter" is mapped to "St Peter").
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for nSrc < len(src) {
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r, size := utf8.DecodeRune(src[nSrc:])
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if size == 0 { // Incomplete UTF-8 encoding
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if !atEOF {
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return nDst, nSrc, transform.ErrShortSrc
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}
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size = 1
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}
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if unicode.Is(unicode.Zs, r) {
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t.prevSpace = true
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} else {
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if t.prevSpace && t.notStart {
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dst[nDst] = ' '
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nDst += 1
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}
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if size != copy(dst[nDst:], src[nSrc:nSrc+size]) {
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nDst += size
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return nDst, nSrc, transform.ErrShortDst
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}
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nDst += size
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t.prevSpace = false
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t.notStart = true
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}
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nSrc += size
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}
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return nDst, nSrc, nil
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}
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