1 | rsc.io/sampler@v1.3.1 |
---|---|
2 | |
3 | -- .mod -- |
4 | module "rsc.io/sampler" |
5 | |
6 | require "golang.org/x/text" v0.0.0-20170915032832-14c0d48ead0c |
7 | -- .info -- |
8 | {"Version":"v1.3.1","Name":"f545d0289d06e2add4556ea6a15fc4938014bf87","Short":"f545d0289d06","Time":"2018-02-14T16:34:12Z"} |
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 | ) |
40 | |
41 | var glassTests = []struct { |
42 | prefs []language.Tag |
43 | text string |
44 | }{ |
45 | { |
46 | []language.Tag{language.Make("en-US"), language.Make("fr")}, |
47 | "I can eat glass and it doesn't hurt me.", |
48 | }, |
49 | { |
50 | []language.Tag{language.Make("fr"), language.Make("en-US")}, |
51 | "Je peux manger du verre, ça ne me fait pas mal.", |
52 | }, |
53 | } |
54 | |
55 | func TestGlass(t *testing.T) { |
56 | for _, tt := range glassTests { |
57 | text := Glass(tt.prefs...) |
58 | if text != tt.text { |
59 | t.Errorf("Glass(%v) = %q, want %q", tt.prefs, text, tt.text) |
60 | } |
61 | } |
62 | } |
63 | -- go.mod -- |
64 | module "rsc.io/sampler" |
65 | |
66 | require "golang.org/x/text" v0.0.0-20170915032832-14c0d48ead0c |
67 | -- hello.go -- |
68 | // Copyright 2018 The Go Authors. All rights reserved. |
69 | // Use of this source code is governed by a BSD-style |
70 | // license that can be found in the LICENSE file. |
71 | |
72 | // Translations by Google Translate. |
73 | |
74 | package sampler |
75 | |
76 | var hello = newText(` |
77 | |
78 | English: en: Hello, world. |
79 | French: fr: Bonjour le monde. |
80 | Spanish: es: Hola Mundo. |
81 | |
82 | `) |
83 | -- hello_test.go -- |
84 | // Copyright 2018 The Go Authors. All rights reserved. |
85 | // Use of this source code is governed by a BSD-style |
86 | // license that can be found in the LICENSE file. |
87 | |
88 | package sampler |
89 | |
90 | import ( |
91 | "testing" |
92 | |
93 | "golang.org/x/text/language" |
94 | ) |
95 | |
96 | var helloTests = []struct { |
97 | prefs []language.Tag |
98 | text string |
99 | }{ |
100 | { |
101 | []language.Tag{language.Make("en-US"), language.Make("fr")}, |
102 | "Hello, world.", |
103 | }, |
104 | { |
105 | []language.Tag{language.Make("fr"), language.Make("en-US")}, |
106 | "Bonjour le monde.", |
107 | }, |
108 | } |
109 | |
110 | func TestHello(t *testing.T) { |
111 | for _, tt := range helloTests { |
112 | text := Hello(tt.prefs...) |
113 | if text != tt.text { |
114 | t.Errorf("Hello(%v) = %q, want %q", tt.prefs, text, tt.text) |
115 | } |
116 | } |
117 | } |
118 | -- sampler.go -- |
119 | // Copyright 2018 The Go Authors. All rights reserved. |
120 | // Use of this source code is governed by a BSD-style |
121 | // license that can be found in the LICENSE file. |
122 | |
123 | // Package sampler shows simple texts in a variety of languages. |
124 | package sampler // import "rsc.io/sampler" |
125 | |
126 | import ( |
127 | "os" |
128 | "strings" |
129 | |
130 | "golang.org/x/text/language" |
131 | ) |
132 | |
133 | // DefaultUserPrefs returns the default user language preferences. |
134 | // It consults the $LC_ALL, $LC_MESSAGES, and $LANG environment |
135 | // variables, in that order. |
136 | func DefaultUserPrefs() []language.Tag { |
137 | var prefs []language.Tag |
138 | for _, k := range []string{"LC_ALL", "LC_MESSAGES", "LANG"} { |
139 | if env := os.Getenv(k); env != "" { |
140 | prefs = append(prefs, language.Make(env)) |
141 | } |
142 | } |
143 | return prefs |
144 | } |
145 | |
146 | // Hello returns a localized greeting. |
147 | // If no prefs are given, Hello uses DefaultUserPrefs. |
148 | func Hello(prefs ...language.Tag) string { |
149 | if len(prefs) == 0 { |
150 | prefs = DefaultUserPrefs() |
151 | } |
152 | return hello.find(prefs) |
153 | } |
154 | |
155 | // Glass returns a localized silly phrase. |
156 | // If no prefs are given, Glass uses DefaultUserPrefs. |
157 | func Glass(prefs ...language.Tag) string { |
158 | if len(prefs) == 0 { |
159 | prefs = DefaultUserPrefs() |
160 | } |
161 | return glass.find(prefs) |
162 | } |
163 | |
164 | // A text is a localized text. |
165 | type text struct { |
166 | byTag map[string]string |
167 | matcher language.Matcher |
168 | } |
169 | |
170 | // newText creates a new localized text, given a list of translations. |
171 | func newText(s string) *text { |
172 | t := &text{ |
173 | byTag: make(map[string]string), |
174 | } |
175 | var tags []language.Tag |
176 | for _, line := range strings.Split(s, "\n") { |
177 | line = strings.TrimSpace(line) |
178 | if line == "" { |
179 | continue |
180 | } |
181 | f := strings.Split(line, ": ") |
182 | if len(f) != 3 { |
183 | continue |
184 | } |
185 | tag := language.Make(f[1]) |
186 | tags = append(tags, tag) |
187 | t.byTag[tag.String()] = f[2] |
188 | } |
189 | t.matcher = language.NewMatcher(tags) |
190 | return t |
191 | } |
192 | |
193 | // find finds the text to use for the given language tag preferences. |
194 | func (t *text) find(prefs []language.Tag) string { |
195 | tag, _, _ := t.matcher.Match(prefs...) |
196 | s := t.byTag[tag.String()] |
197 | if strings.HasPrefix(s, "RTL ") { |
198 | s = "\u200F" + strings.TrimPrefix(s, "RTL ") + "\u200E" |
199 | } |
200 | return s |
201 | } |
202 |
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