mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-05 01:52:46 +00:00
fd8a724e77
* bump go swagger version * bump swagger version
365 lines
8.7 KiB
Go
365 lines
8.7 KiB
Go
// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package swag
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import (
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"reflect"
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"strings"
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"unicode"
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"unicode/utf8"
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)
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// GoNamePrefixFunc sets an optional rule to prefix go names
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// which do not start with a letter.
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//
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// The prefix function is assumed to return a string that starts with an upper case letter.
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//
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// e.g. to help convert "123" into "{prefix}123"
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//
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// The default is to prefix with "X"
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var GoNamePrefixFunc func(string) string
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func prefixFunc(name, in string) string {
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if GoNamePrefixFunc == nil {
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return "X" + in
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}
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return GoNamePrefixFunc(name) + in
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}
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const (
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// collectionFormatComma = "csv"
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collectionFormatSpace = "ssv"
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collectionFormatTab = "tsv"
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collectionFormatPipe = "pipes"
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collectionFormatMulti = "multi"
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)
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// JoinByFormat joins a string array by a known format (e.g. swagger's collectionFormat attribute):
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//
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// ssv: space separated value
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// tsv: tab separated value
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// pipes: pipe (|) separated value
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// csv: comma separated value (default)
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func JoinByFormat(data []string, format string) []string {
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if len(data) == 0 {
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return data
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}
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var sep string
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switch format {
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case collectionFormatSpace:
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sep = " "
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case collectionFormatTab:
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sep = "\t"
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case collectionFormatPipe:
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sep = "|"
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case collectionFormatMulti:
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return data
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default:
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sep = ","
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}
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return []string{strings.Join(data, sep)}
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}
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// SplitByFormat splits a string by a known format:
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//
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// ssv: space separated value
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// tsv: tab separated value
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// pipes: pipe (|) separated value
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// csv: comma separated value (default)
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func SplitByFormat(data, format string) []string {
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if data == "" {
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return nil
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}
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var sep string
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switch format {
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case collectionFormatSpace:
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sep = " "
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case collectionFormatTab:
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sep = "\t"
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case collectionFormatPipe:
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sep = "|"
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case collectionFormatMulti:
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return nil
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default:
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sep = ","
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}
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var result []string
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for _, s := range strings.Split(data, sep) {
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if ts := strings.TrimSpace(s); ts != "" {
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result = append(result, ts)
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}
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}
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return result
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}
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// Removes leading whitespaces
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func trim(str string) string {
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return strings.TrimSpace(str)
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}
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// Shortcut to strings.ToUpper()
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func upper(str string) string {
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return strings.ToUpper(trim(str))
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}
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// Shortcut to strings.ToLower()
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func lower(str string) string {
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return strings.ToLower(trim(str))
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}
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// Camelize an uppercased word
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func Camelize(word string) string {
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camelized := poolOfBuffers.BorrowBuffer(len(word))
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defer func() {
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poolOfBuffers.RedeemBuffer(camelized)
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}()
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for pos, ru := range []rune(word) {
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if pos > 0 {
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camelized.WriteRune(unicode.ToLower(ru))
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} else {
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camelized.WriteRune(unicode.ToUpper(ru))
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}
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}
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return camelized.String()
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}
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// ToFileName lowercases and underscores a go type name
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func ToFileName(name string) string {
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in := split(name)
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out := make([]string, 0, len(in))
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for _, w := range in {
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out = append(out, lower(w))
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}
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return strings.Join(out, "_")
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}
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// ToCommandName lowercases and underscores a go type name
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func ToCommandName(name string) string {
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in := split(name)
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out := make([]string, 0, len(in))
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for _, w := range in {
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out = append(out, lower(w))
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}
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return strings.Join(out, "-")
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}
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// ToHumanNameLower represents a code name as a human series of words
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func ToHumanNameLower(name string) string {
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s := poolOfSplitters.BorrowSplitter(withPostSplitInitialismCheck)
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in := s.split(name)
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poolOfSplitters.RedeemSplitter(s)
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out := make([]string, 0, len(*in))
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for _, w := range *in {
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if !w.IsInitialism() {
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out = append(out, lower(w.GetOriginal()))
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} else {
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out = append(out, trim(w.GetOriginal()))
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}
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}
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poolOfLexems.RedeemLexems(in)
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return strings.Join(out, " ")
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}
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// ToHumanNameTitle represents a code name as a human series of words with the first letters titleized
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func ToHumanNameTitle(name string) string {
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s := poolOfSplitters.BorrowSplitter(withPostSplitInitialismCheck)
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in := s.split(name)
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poolOfSplitters.RedeemSplitter(s)
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out := make([]string, 0, len(*in))
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for _, w := range *in {
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original := trim(w.GetOriginal())
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if !w.IsInitialism() {
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out = append(out, Camelize(original))
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} else {
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out = append(out, original)
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}
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}
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poolOfLexems.RedeemLexems(in)
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return strings.Join(out, " ")
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}
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// ToJSONName camelcases a name which can be underscored or pascal cased
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func ToJSONName(name string) string {
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in := split(name)
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out := make([]string, 0, len(in))
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for i, w := range in {
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if i == 0 {
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out = append(out, lower(w))
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continue
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}
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out = append(out, Camelize(trim(w)))
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}
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return strings.Join(out, "")
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}
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// ToVarName camelcases a name which can be underscored or pascal cased
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func ToVarName(name string) string {
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res := ToGoName(name)
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if isInitialism(res) {
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return lower(res)
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}
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if len(res) <= 1 {
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return lower(res)
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}
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return lower(res[:1]) + res[1:]
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}
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// ToGoName translates a swagger name which can be underscored or camel cased to a name that golint likes
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func ToGoName(name string) string {
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s := poolOfSplitters.BorrowSplitter(withPostSplitInitialismCheck)
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lexems := s.split(name)
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poolOfSplitters.RedeemSplitter(s)
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defer func() {
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poolOfLexems.RedeemLexems(lexems)
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}()
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lexemes := *lexems
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if len(lexemes) == 0 {
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return ""
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}
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result := poolOfBuffers.BorrowBuffer(len(name))
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defer func() {
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poolOfBuffers.RedeemBuffer(result)
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}()
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// check if not starting with a letter, upper case
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firstPart := lexemes[0].GetUnsafeGoName()
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if lexemes[0].IsInitialism() {
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firstPart = upper(firstPart)
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}
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if c := firstPart[0]; c < utf8.RuneSelf {
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// ASCII
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switch {
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case 'A' <= c && c <= 'Z':
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result.WriteString(firstPart)
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case 'a' <= c && c <= 'z':
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result.WriteByte(c - 'a' + 'A')
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result.WriteString(firstPart[1:])
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default:
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result.WriteString(prefixFunc(name, firstPart))
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// NOTE: no longer check if prefixFunc returns a string that starts with uppercase:
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// assume this is always the case
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}
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} else {
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// unicode
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firstRune, _ := utf8.DecodeRuneInString(firstPart)
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switch {
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case !unicode.IsLetter(firstRune):
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result.WriteString(prefixFunc(name, firstPart))
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case !unicode.IsUpper(firstRune):
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result.WriteString(prefixFunc(name, firstPart))
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/*
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result.WriteRune(unicode.ToUpper(firstRune))
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result.WriteString(firstPart[offset:])
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*/
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default:
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result.WriteString(firstPart)
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}
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}
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for _, lexem := range lexemes[1:] {
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goName := lexem.GetUnsafeGoName()
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// to support old behavior
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if lexem.IsInitialism() {
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goName = upper(goName)
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}
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result.WriteString(goName)
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}
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return result.String()
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}
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// ContainsStrings searches a slice of strings for a case-sensitive match
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func ContainsStrings(coll []string, item string) bool {
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for _, a := range coll {
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if a == item {
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return true
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}
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}
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return false
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}
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// ContainsStringsCI searches a slice of strings for a case-insensitive match
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func ContainsStringsCI(coll []string, item string) bool {
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for _, a := range coll {
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if strings.EqualFold(a, item) {
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return true
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}
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}
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return false
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}
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type zeroable interface {
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IsZero() bool
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}
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// IsZero returns true when the value passed into the function is a zero value.
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// This allows for safer checking of interface values.
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func IsZero(data interface{}) bool {
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v := reflect.ValueOf(data)
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// check for nil data
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switch v.Kind() { //nolint:exhaustive
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case reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
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if v.IsNil() {
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return true
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}
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}
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// check for things that have an IsZero method instead
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if vv, ok := data.(zeroable); ok {
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return vv.IsZero()
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}
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// continue with slightly more complex reflection
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switch v.Kind() { //nolint:exhaustive
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case reflect.String:
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return v.Len() == 0
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case reflect.Bool:
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return !v.Bool()
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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return v.Int() == 0
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
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return v.Uint() == 0
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case reflect.Float32, reflect.Float64:
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return v.Float() == 0
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case reflect.Struct, reflect.Array:
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return reflect.DeepEqual(data, reflect.Zero(v.Type()).Interface())
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case reflect.Invalid:
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return true
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default:
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return false
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}
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}
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// CommandLineOptionsGroup represents a group of user-defined command line options
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type CommandLineOptionsGroup struct {
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ShortDescription string
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LongDescription string
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Options interface{}
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}
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