hugo/hugolib/multilingual.go
Bjørn Erik Pedersen 54141f71dd Improve language handling in URLs
The current "rendering language" is needed outside of Site. This commit moves the Language type to the helpers package, and then used to get correct correct language configuration in the markdownify template func.
This commit also adds two new template funcs: relLangURL and absLangURL.

See #2309
2016-09-06 18:32:18 +03:00

122 lines
2.9 KiB
Go

// Copyright 2016-present 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 hugolib
import (
"sync"
"sort"
"strings"
"errors"
"fmt"
"github.com/spf13/cast"
"github.com/spf13/hugo/helpers"
)
type Multilingual struct {
Languages helpers.Languages
DefaultLang *helpers.Language
langMap map[string]*helpers.Language
langMapInit sync.Once
}
func (ml *Multilingual) Language(lang string) *helpers.Language {
ml.langMapInit.Do(func() {
ml.langMap = make(map[string]*helpers.Language)
for _, l := range ml.Languages {
ml.langMap[l.Lang] = l
}
})
return ml.langMap[lang]
}
func newMultiLingualFromSites(sites ...*Site) (*Multilingual, error) {
languages := make(helpers.Languages, len(sites))
for i, s := range sites {
if s.Language == nil {
return nil, errors.New("Missing language for site")
}
languages[i] = s.Language
}
return &Multilingual{Languages: languages, DefaultLang: helpers.NewDefaultLanguage()}, nil
}
func newMultiLingualDefaultLanguage() *Multilingual {
return newMultiLingualForLanguage(helpers.NewDefaultLanguage())
}
func newMultiLingualForLanguage(language *helpers.Language) *Multilingual {
languages := helpers.Languages{language}
return &Multilingual{Languages: languages, DefaultLang: language}
}
func (ml *Multilingual) enabled() bool {
return len(ml.Languages) > 1
}
func (s *Site) multilingualEnabled() bool {
return s.Multilingual != nil && s.Multilingual.enabled()
}
// TODO(bep) multilingo remove these
func (s *Site) currentLanguageString() string {
return s.currentLanguage().Lang
}
func (s *Site) currentLanguage() *helpers.Language {
return s.Language
}
func toSortedLanguages(l map[string]interface{}) (helpers.Languages, error) {
langs := make(helpers.Languages, len(l))
i := 0
for lang, langConf := range l {
langsMap, ok := langConf.(map[string]interface{})
if !ok {
return nil, fmt.Errorf("Language config is not a map: %v", langsMap)
}
language := helpers.NewLanguage(lang)
for k, v := range langsMap {
loki := strings.ToLower(k)
switch loki {
case "title":
language.Title = cast.ToString(v)
case "weight":
language.Weight = cast.ToInt(v)
}
// Put all into the Params map
// TODO(bep) ml reconsile with the type handling etc. from other params handlers.
language.SetParam(loki, v)
}
langs[i] = language
i++
}
sort.Sort(langs)
return langs, nil
}