| 1 | rsc.io/sampler@v1.3.0 |
|---|---|
| 2 | |
| 3 | -- .mod -- |
| 4 | module "rsc.io/sampler" |
| 5 | |
| 6 | require "golang.org/x/text" v0.0.0-20170915032832-14c0d48ead0c |
| 7 | -- .info -- |
| 8 | {"Version":"v1.3.0","Name":"0cc034b51e57ed7832d4c67d526f75a900996e5c","Short":"0cc034b51e57","Time":"2018-02-13T19:05:03Z"} |
| 9 | -- glass.go -- |
| 10 | // Copyright 2018 The Go Authors. All rights reserved. |
| 11 | // Use of this source code is governed by a BSD-style |
| 12 | // license that can be found in the LICENSE file. |
| 13 | |
| 14 | // Translations from Frank da Cruz, Ethan Mollick, and many others. |
| 15 | // See http://kermitproject.org/utf8.html. |
| 16 | // http://www.oocities.org/nodotus/hbglass.html |
| 17 | // https://en.wikipedia.org/wiki/I_Can_Eat_Glass |
| 18 | |
| 19 | package sampler |
| 20 | |
| 21 | var glass = newText(` |
| 22 | |
| 23 | English: en: I can eat glass and it doesn't hurt me. |
| 24 | French: fr: Je peux manger du verre, ça ne me fait pas mal. |
| 25 | Spanish: es: Puedo comer vidrio, no me hace daño. |
| 26 | |
| 27 | `) |
| 28 | -- glass_test.go -- |
| 29 | // Copyright 2018 The Go Authors. All rights reserved. |
| 30 | // Use of this source code is governed by a BSD-style |
| 31 | // license that can be found in the LICENSE file. |
| 32 | |
| 33 | package sampler |
| 34 | |
| 35 | import ( |
| 36 | "testing" |
| 37 | |
| 38 | "golang.org/x/text/language" |
| 39 | _ "rsc.io/testonly" |
| 40 | ) |
| 41 | |
| 42 | var glassTests = []struct { |
| 43 | prefs []language.Tag |
| 44 | text string |
| 45 | }{ |
| 46 | { |
| 47 | []language.Tag{language.Make("en-US"), language.Make("fr")}, |
| 48 | "I can eat glass and it doesn't hurt me.", |
| 49 | }, |
| 50 | { |
| 51 | []language.Tag{language.Make("fr"), language.Make("en-US")}, |
| 52 | "Je peux manger du verre, ça ne me fait pas mal.", |
| 53 | }, |
| 54 | } |
| 55 | |
| 56 | func TestGlass(t *testing.T) { |
| 57 | for _, tt := range glassTests { |
| 58 | text := Glass(tt.prefs...) |
| 59 | if text != tt.text { |
| 60 | t.Errorf("Glass(%v) = %q, want %q", tt.prefs, text, tt.text) |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | -- go.mod -- |
| 65 | module "rsc.io/sampler" |
| 66 | |
| 67 | require "golang.org/x/text" v0.0.0-20170915032832-14c0d48ead0c |
| 68 | -- hello.go -- |
| 69 | // Copyright 2018 The Go Authors. All rights reserved. |
| 70 | // Use of this source code is governed by a BSD-style |
| 71 | // license that can be found in the LICENSE file. |
| 72 | |
| 73 | // Translations by Google Translate. |
| 74 | |
| 75 | package sampler |
| 76 | |
| 77 | var hello = newText(` |
| 78 | |
| 79 | English: en: Hello, world. |
| 80 | French: fr: Bonjour le monde. |
| 81 | Spanish: es: Hola Mundo. |
| 82 | |
| 83 | `) |
| 84 | -- hello_test.go -- |
| 85 | // Copyright 2018 The Go Authors. All rights reserved. |
| 86 | // Use of this source code is governed by a BSD-style |
| 87 | // license that can be found in the LICENSE file. |
| 88 | |
| 89 | package sampler |
| 90 | |
| 91 | import ( |
| 92 | "testing" |
| 93 | |
| 94 | "golang.org/x/text/language" |
| 95 | ) |
| 96 | |
| 97 | var helloTests = []struct { |
| 98 | prefs []language.Tag |
| 99 | text string |
| 100 | }{ |
| 101 | { |
| 102 | []language.Tag{language.Make("en-US"), language.Make("fr")}, |
| 103 | "Hello, world.", |
| 104 | }, |
| 105 | { |
| 106 | []language.Tag{language.Make("fr"), language.Make("en-US")}, |
| 107 | "Bonjour le monde.", |
| 108 | }, |
| 109 | } |
| 110 | |
| 111 | func TestHello(t *testing.T) { |
| 112 | for _, tt := range helloTests { |
| 113 | text := Hello(tt.prefs...) |
| 114 | if text != tt.text { |
| 115 | t.Errorf("Hello(%v) = %q, want %q", tt.prefs, text, tt.text) |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | -- sampler.go -- |
| 120 | // Copyright 2018 The Go Authors. All rights reserved. |
| 121 | // Use of this source code is governed by a BSD-style |
| 122 | // license that can be found in the LICENSE file. |
| 123 | |
| 124 | // Package sampler shows simple texts. |
| 125 | package sampler // import "rsc.io/sampler" |
| 126 | |
| 127 | import ( |
| 128 | "os" |
| 129 | "strings" |
| 130 | |
| 131 | "golang.org/x/text/language" |
| 132 | ) |
| 133 | |
| 134 | // DefaultUserPrefs returns the default user language preferences. |
| 135 | // It consults the $LC_ALL, $LC_MESSAGES, and $LANG environment |
| 136 | // variables, in that order. |
| 137 | func DefaultUserPrefs() []language.Tag { |
| 138 | var prefs []language.Tag |
| 139 | for _, k := range []string{"LC_ALL", "LC_MESSAGES", "LANG"} { |
| 140 | if env := os.Getenv(k); env != "" { |
| 141 | prefs = append(prefs, language.Make(env)) |
| 142 | } |
| 143 | } |
| 144 | return prefs |
| 145 | } |
| 146 | |
| 147 | // Hello returns a localized greeting. |
| 148 | // If no prefs are given, Hello uses DefaultUserPrefs. |
| 149 | func Hello(prefs ...language.Tag) string { |
| 150 | if len(prefs) == 0 { |
| 151 | prefs = DefaultUserPrefs() |
| 152 | } |
| 153 | return hello.find(prefs) |
| 154 | } |
| 155 | |
| 156 | // Glass returns a localized silly phrase. |
| 157 | // If no prefs are given, Glass uses DefaultUserPrefs. |
| 158 | func Glass(prefs ...language.Tag) string { |
| 159 | if len(prefs) == 0 { |
| 160 | prefs = DefaultUserPrefs() |
| 161 | } |
| 162 | return glass.find(prefs) |
| 163 | } |
| 164 | |
| 165 | // A text is a localized text. |
| 166 | type text struct { |
| 167 | byTag map[string]string |
| 168 | matcher language.Matcher |
| 169 | } |
| 170 | |
| 171 | // newText creates a new localized text, given a list of translations. |
| 172 | func newText(s string) *text { |
| 173 | t := &text{ |
| 174 | byTag: make(map[string]string), |
| 175 | } |
| 176 | var tags []language.Tag |
| 177 | for _, line := range strings.Split(s, "\n") { |
| 178 | line = strings.TrimSpace(line) |
| 179 | if line == "" { |
| 180 | continue |
| 181 | } |
| 182 | f := strings.Split(line, ": ") |
| 183 | if len(f) != 3 { |
| 184 | continue |
| 185 | } |
| 186 | tag := language.Make(f[1]) |
| 187 | tags = append(tags, tag) |
| 188 | t.byTag[tag.String()] = f[2] |
| 189 | } |
| 190 | t.matcher = language.NewMatcher(tags) |
| 191 | return t |
| 192 | } |
| 193 | |
| 194 | // find finds the text to use for the given language tag preferences. |
| 195 | func (t *text) find(prefs []language.Tag) string { |
| 196 | tag, _, _ := t.matcher.Match(prefs...) |
| 197 | s := t.byTag[tag.String()] |
| 198 | if strings.HasPrefix(s, "RTL ") { |
| 199 | s = "\u200F" + strings.TrimPrefix(s, "RTL ") + "\u200E" |
| 200 | } |
| 201 | return s |
| 202 | } |
| 203 |
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