mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-21 20:46:30 -05:00
139 lines
3.7 KiB
Go
139 lines
3.7 KiB
Go
// Copyright 2017 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 i18n
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/gohugoio/hugo/common/paths"
|
|
|
|
"github.com/gohugoio/hugo/common/herrors"
|
|
"golang.org/x/text/language"
|
|
yaml "gopkg.in/yaml.v2"
|
|
|
|
"github.com/gohugoio/go-i18n/v2/i18n"
|
|
"github.com/gohugoio/hugo/helpers"
|
|
toml "github.com/pelletier/go-toml/v2"
|
|
|
|
"github.com/gohugoio/hugo/deps"
|
|
"github.com/gohugoio/hugo/hugofs"
|
|
"github.com/gohugoio/hugo/source"
|
|
)
|
|
|
|
// TranslationProvider provides translation handling, i.e. loading
|
|
// of bundles etc.
|
|
type TranslationProvider struct {
|
|
t Translator
|
|
}
|
|
|
|
// NewTranslationProvider creates a new translation provider.
|
|
func NewTranslationProvider() *TranslationProvider {
|
|
return &TranslationProvider{}
|
|
}
|
|
|
|
// Update updates the i18n func in the provided Deps.
|
|
func (tp *TranslationProvider) NewResource(dst *deps.Deps) error {
|
|
defaultLangTag, err := language.Parse(dst.Conf.DefaultContentLanguage())
|
|
if err != nil {
|
|
defaultLangTag = language.English
|
|
}
|
|
bundle := i18n.NewBundle(defaultLangTag)
|
|
|
|
bundle.RegisterUnmarshalFunc("toml", toml.Unmarshal)
|
|
bundle.RegisterUnmarshalFunc("yaml", yaml.Unmarshal)
|
|
bundle.RegisterUnmarshalFunc("yml", yaml.Unmarshal)
|
|
bundle.RegisterUnmarshalFunc("json", json.Unmarshal)
|
|
|
|
w := hugofs.NewWalkway(
|
|
hugofs.WalkwayConfig{
|
|
Fs: dst.BaseFs.I18n.Fs,
|
|
IgnoreFile: dst.SourceSpec.IgnoreFile,
|
|
PathParser: dst.SourceSpec.Cfg.PathParser(),
|
|
WalkFn: func(path string, info hugofs.FileMetaInfo) error {
|
|
if info.IsDir() {
|
|
return nil
|
|
}
|
|
return addTranslationFile(bundle, source.NewFileInfo(info))
|
|
},
|
|
})
|
|
|
|
if err := w.Walk(); err != nil {
|
|
return err
|
|
}
|
|
|
|
tp.t = NewTranslator(bundle, dst.Conf, dst.Log)
|
|
|
|
dst.Translate = tp.t.Func(dst.Conf.Language().Lang)
|
|
|
|
return nil
|
|
}
|
|
|
|
const artificialLangTagPrefix = "art-x-"
|
|
|
|
func addTranslationFile(bundle *i18n.Bundle, r *source.File) error {
|
|
f, err := r.FileInfo().Meta().Open()
|
|
if err != nil {
|
|
return fmt.Errorf("failed to open translations file %q:: %w", r.LogicalName(), err)
|
|
}
|
|
|
|
b := helpers.ReaderToBytes(f)
|
|
f.Close()
|
|
|
|
name := r.LogicalName()
|
|
lang := paths.Filename(name)
|
|
tag := language.Make(lang)
|
|
if tag == language.Und {
|
|
try := artificialLangTagPrefix + lang
|
|
_, err = language.Parse(try)
|
|
if err != nil {
|
|
return fmt.Errorf("%q: %s", try, err)
|
|
}
|
|
name = artificialLangTagPrefix + name
|
|
}
|
|
|
|
_, err = bundle.ParseMessageFileBytes(b, name)
|
|
if err != nil {
|
|
if strings.Contains(err.Error(), "no plural rule") {
|
|
// https://github.com/gohugoio/hugo/issues/7798
|
|
name = artificialLangTagPrefix + name
|
|
_, err = bundle.ParseMessageFileBytes(b, name)
|
|
if err == nil {
|
|
return nil
|
|
}
|
|
}
|
|
return errWithFileContext(fmt.Errorf("failed to load translations: %w", err), r)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// CloneResource sets the language func for the new language.
|
|
func (tp *TranslationProvider) CloneResource(dst, src *deps.Deps) error {
|
|
dst.Translate = tp.t.Func(dst.Conf.Language().Lang)
|
|
return nil
|
|
}
|
|
|
|
func errWithFileContext(inerr error, r *source.File) error {
|
|
meta := r.FileInfo().Meta()
|
|
realFilename := meta.Filename
|
|
f, err := meta.Open()
|
|
if err != nil {
|
|
return inerr
|
|
}
|
|
defer f.Close()
|
|
|
|
return herrors.NewFileErrorFromName(inerr, realFilename).UpdateContent(f, nil)
|
|
}
|