hugo/helpers/language.go
Bjørn Erik Pedersen 8969331f5b Fix multihost detection for sites without language definition
Static content was wrongly put into the lang-code subfolder.

Fixes #4221
2018-01-06 19:14:31 +01:00

192 lines
5.4 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 helpers
import (
"sort"
"strings"
"sync"
"github.com/gohugoio/hugo/config"
"github.com/spf13/cast"
)
// These are the settings that should only be looked up in the global Viper
// config and not per language.
// This list may not be complete, but contains only settings that we know
// will be looked up in both.
// This isn't perfect, but it is ultimately the user who shoots him/herself in
// the foot.
// See the pathSpec.
var globalOnlySettings = map[string]bool{
strings.ToLower("defaultContentLanguageInSubdir"): true,
strings.ToLower("defaultContentLanguage"): true,
strings.ToLower("multilingual"): true,
}
// Language manages specific-language configuration.
type Language struct {
Lang string
LanguageName string
Title string
Weight int
Cfg config.Provider
params map[string]interface{}
paramsInit sync.Once
}
func (l *Language) String() string {
return l.Lang
}
// NewLanguage creates a new language.
func NewLanguage(lang string, cfg config.Provider) *Language {
params := make(map[string]interface{})
// Merge with global config.
globalParams := cfg.GetStringMap("params")
for k, v := range globalParams {
if _, ok := params[k]; !ok {
params[k] = v
}
}
l := &Language{Lang: lang, Cfg: cfg, params: params}
return l
}
// NewDefaultLanguage creates the default language for a config.Provider.
// If not otherwise specified the default is "en".
func NewDefaultLanguage(cfg config.Provider) *Language {
defaultLang := cfg.GetString("defaultContentLanguage")
if defaultLang == "" {
defaultLang = "en"
}
return NewLanguage(defaultLang, cfg)
}
// Languages is a sortable list of languages.
type Languages []*Language
// NewLanguages creates a sorted list of languages.
// NOTE: function is currently unused.
func NewLanguages(l ...*Language) Languages {
languages := make(Languages, len(l))
for i := 0; i < len(l); i++ {
languages[i] = l[i]
}
sort.Sort(languages)
return languages
}
func (l Languages) Len() int { return len(l) }
func (l Languages) Less(i, j int) bool { return l[i].Weight < l[j].Weight }
func (l Languages) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
// Params retunrs language-specific params merged with the global params.
func (l *Language) Params() map[string]interface{} {
return l.params
}
// IsMultihost returns whether there are more than one language and at least one of
// the languages has baseURL specificed on the language level.
func (l Languages) IsMultihost() bool {
if len(l) <= 1 {
return false
}
for _, lang := range l {
if lang.GetLocal("baseURL") != nil {
return true
}
}
return false
}
// SetParam sets param with the given key and value.
// SetParam is case-insensitive.
func (l *Language) SetParam(k string, v interface{}) {
l.params[strings.ToLower(k)] = v
}
// GetBool returns the value associated with the key as a boolean.
func (l *Language) GetBool(key string) bool { return cast.ToBool(l.Get(key)) }
// GetString returns the value associated with the key as a string.
func (l *Language) GetString(key string) string { return cast.ToString(l.Get(key)) }
// GetInt returns the value associated with the key as an int.
func (l *Language) GetInt(key string) int { return cast.ToInt(l.Get(key)) }
// GetStringMap returns the value associated with the key as a map of interfaces.
func (l *Language) GetStringMap(key string) map[string]interface{} {
return cast.ToStringMap(l.Get(key))
}
// GetStringMapString returns the value associated with the key as a map of strings.
func (l *Language) GetStringMapString(key string) map[string]string {
return cast.ToStringMapString(l.Get(key))
}
// Get returns a value associated with the key relying on specified language.
// Get is case-insensitive for a key.
//
// Get returns an interface. For a specific value use one of the Get____ methods.
func (l *Language) Get(key string) interface{} {
local := l.GetLocal(key)
if local != nil {
return local
}
return l.Cfg.Get(key)
}
// GetLocal gets a configuration value set on language level. It will
// not fall back to any global value.
// It will return nil if a value with the given key cannot be found.
func (l *Language) GetLocal(key string) interface{} {
if l == nil {
panic("language not set")
}
key = strings.ToLower(key)
if !globalOnlySettings[key] {
if v, ok := l.params[key]; ok {
return v
}
}
return nil
}
// Set sets the value for the key in the language's params.
func (l *Language) Set(key string, value interface{}) {
if l == nil {
panic("language not set")
}
key = strings.ToLower(key)
l.params[key] = value
}
// IsSet checks whether the key is set in the language or the related config store.
func (l *Language) IsSet(key string) bool {
key = strings.ToLower(key)
key = strings.ToLower(key)
if !globalOnlySettings[key] {
if _, ok := l.params[key]; ok {
return true
}
}
return l.Cfg.IsSet(key)
}