1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
// Copyright 2023 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package langs contains the language related types and function.
package langs
import (
"fmt"
"sync"
"time"
"golang.org/x/text/collate"
"golang.org/x/text/language"
"github.com/gohugoio/hugo/common/htime"
"github.com/gohugoio/locales"
translators "github.com/gohugoio/localescompressed"
)
type Language struct {
// The language code, e.g. "en" or "no".
// This is currently only settable as the key in the language map in the config.
Lang string
// Fields from the language config.
LanguageConfig
// Used for date formatting etc. We don't want these exported to the
// templates.
translator locales.Translator
timeFormatter htime.TimeFormatter
tag language.Tag
collator *Collator
location *time.Location
}
// NewLanguage creates a new language.
func NewLanguage(lang, defaultContentLanguage, timeZone string, languageConfig LanguageConfig) (*Language, error) {
translator := translators.GetTranslator(lang)
if translator == nil {
translator = translators.GetTranslator(defaultContentLanguage)
if translator == nil {
translator = translators.GetTranslator("en")
}
}
var coll *Collator
tag, err := language.Parse(lang)
if err == nil {
coll = &Collator{
c: collate.New(tag),
}
} else {
coll = &Collator{
c: collate.New(language.English),
}
}
l := &Language{
Lang: lang,
LanguageConfig: languageConfig,
translator: translator,
timeFormatter: htime.NewTimeFormatter(translator),
tag: tag,
collator: coll,
}
return l, l.loadLocation(timeZone)
}
func (l *Language) loadLocation(tzStr string) error {
location, err := time.LoadLocation(tzStr)
if err != nil {
return fmt.Errorf("invalid timeZone for language %q: %w", l.Lang, err)
}
l.location = location
return nil
}
// Languages is a sortable list of languages.
type Languages []*Language
func (l Languages) AsSet() map[string]bool {
m := make(map[string]bool)
for _, lang := range l {
m[lang.Lang] = true
}
return m
}
func (l Languages) AsOrdinalSet() map[string]int {
m := make(map[string]int)
for i, lang := range l {
m[lang.Lang] = i
}
return m
}
// Internal access to unexported Language fields.
// This construct is to prevent them from leaking to the templates.
func GetTimeFormatter(l *Language) htime.TimeFormatter {
return l.timeFormatter
}
func GetTranslator(l *Language) locales.Translator {
return l.translator
}
func GetLocation(l *Language) *time.Location {
return l.location
}
func GetCollator(l *Language) *Collator {
return l.collator
}
type Collator struct {
sync.Mutex
c *collate.Collator
}
// CompareStrings compares a and b.
// It returns -1 if a < b, 1 if a > b and 0 if a == b.
// Note that the Collator is not thread safe, so you may want
// to acquire a lock on it before calling this method.
func (c *Collator) CompareStrings(a, b string) int {
return c.c.CompareString(a, b)
}
|
