mirror of
https://github.com/gohugoio/hugo.git
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120 lines
2.9 KiB
Go
120 lines
2.9 KiB
Go
// Copyright 2016-present The Hugo Authors. All rights reserved.
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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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// 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 hugolib
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import (
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"sync"
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"sort"
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"errors"
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"fmt"
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"github.com/gohugoio/hugo/config"
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"github.com/gohugoio/hugo/helpers"
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"github.com/spf13/cast"
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)
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// Multilingual manages the all languages used in a multilingual site.
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type Multilingual struct {
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Languages helpers.Languages
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DefaultLang *helpers.Language
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langMap map[string]*helpers.Language
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langMapInit sync.Once
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}
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// Language returns the Language associated with the given string.
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func (ml *Multilingual) Language(lang string) *helpers.Language {
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ml.langMapInit.Do(func() {
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ml.langMap = make(map[string]*helpers.Language)
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for _, l := range ml.Languages {
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ml.langMap[l.Lang] = l
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}
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})
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return ml.langMap[lang]
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}
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func newMultiLingualFromSites(cfg config.Provider, sites ...*Site) (*Multilingual, error) {
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languages := make(helpers.Languages, len(sites))
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for i, s := range sites {
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if s.Language == nil {
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return nil, errors.New("Missing language for site")
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}
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languages[i] = s.Language
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}
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defaultLang := cfg.GetString("defaultContentLanguage")
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if defaultLang == "" {
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defaultLang = "en"
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}
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return &Multilingual{Languages: languages, DefaultLang: helpers.NewLanguage(defaultLang, cfg)}, nil
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}
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func newMultiLingualForLanguage(language *helpers.Language) *Multilingual {
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languages := helpers.Languages{language}
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return &Multilingual{Languages: languages, DefaultLang: language}
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}
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func (ml *Multilingual) enabled() bool {
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return len(ml.Languages) > 1
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}
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func (s *Site) multilingualEnabled() bool {
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if s.owner == nil {
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return false
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}
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return s.owner.multilingual != nil && s.owner.multilingual.enabled()
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}
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func toSortedLanguages(cfg config.Provider, l map[string]interface{}) (helpers.Languages, error) {
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langs := make(helpers.Languages, len(l))
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i := 0
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for lang, langConf := range l {
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langsMap, err := cast.ToStringMapE(langConf)
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if err != nil {
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return nil, fmt.Errorf("Language config is not a map: %T", langConf)
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}
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language := helpers.NewLanguage(lang, cfg)
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for loki, v := range langsMap {
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switch loki {
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case "title":
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language.Title = cast.ToString(v)
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case "languagename":
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language.LanguageName = cast.ToString(v)
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case "weight":
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language.Weight = cast.ToInt(v)
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}
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// Put all into the Params map
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language.SetParam(loki, v)
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}
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langs[i] = language
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i++
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}
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sort.Sort(langs)
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return langs, nil
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}
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