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Merge pull request #84 from leonelquinteros/revert-73-multilang
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Revert "Add support for multiple languages"
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@leonelquinteros
leonelquinteros committed Aug 29, 2023
2 parents dfd3da1 + 4c92353 commit 37f474c
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Showing 3 changed files with 76 additions and 210 deletions.
232 changes: 74 additions & 158 deletions gotext.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,62 +24,54 @@ package gotext

import (
"encoding/gob"
"strings"
"sync"
)

// Global environment variables
type config struct {
sync.RWMutex

// Path to library directory where all locale directories and Translation files are.
library string

// Default domain to look at when no domain is specified. Used by package level functions.
domain string

// Language set.
languages []string
language string

// Path to library directory where all locale directories and Translation files are.
library string

// Storage for package level methods
locales []*Locale
storage *Locale
}

var globalConfig *config

func init() {
// Init default configuration
globalConfig = &config{
domain: "default",
languages: []string{"en_US"},
library: "/usr/local/share/locale",
locales: nil,
domain: "default",
language: "en_US",
library: "/usr/local/share/locale",
storage: nil,
}

// Register Translator types for gob encoding
gob.Register(TranslatorEncoding{})
}

// loadStorage creates a new Locale object at package level based on the Global variables settings
// for every language specified using Configure.
// loadStorage creates a new Locale object at package level based on the Global variables settings.
// It's called automatically when trying to use Get or GetD methods.
func loadStorage(force bool) {
globalConfig.Lock()

if globalConfig.locales == nil || force {
var locales []*Locale
for _, language := range globalConfig.languages {
locales = append(locales, NewLocale(globalConfig.library, language))
}
globalConfig.locales = locales
if globalConfig.storage == nil || force {
globalConfig.storage = NewLocale(globalConfig.library, globalConfig.language)
}

for _, locale := range globalConfig.locales {
if _, ok := locale.Domains[globalConfig.domain]; !ok || force {
locale.AddDomain(globalConfig.domain)
}
locale.SetDomain(globalConfig.domain)
if _, ok := globalConfig.storage.Domains[globalConfig.domain]; !ok || force {
globalConfig.storage.AddDomain(globalConfig.domain)
}
globalConfig.storage.SetDomain(globalConfig.domain)

globalConfig.Unlock()
}
Expand All @@ -88,9 +80,8 @@ func loadStorage(force bool) {
func GetDomain() string {
var dom string
globalConfig.RLock()
if globalConfig.locales != nil {
// All locales have the same domain
dom = globalConfig.locales[0].GetDomain()
if globalConfig.storage != nil {
dom = globalConfig.storage.GetDomain()
}
if dom == "" {
dom = globalConfig.domain
Expand All @@ -105,42 +96,28 @@ func GetDomain() string {
func SetDomain(dom string) {
globalConfig.Lock()
globalConfig.domain = dom
if globalConfig.locales != nil {
for _, locale := range globalConfig.locales {
locale.SetDomain(dom)
}
if globalConfig.storage != nil {
globalConfig.storage.SetDomain(dom)
}
globalConfig.Unlock()

loadStorage(true)
}

// GetLanguage returns the language gotext will translate into.
// If multiple languages have been supplied, the first one will be returned.
// GetLanguage is the language getter for the package configuration
func GetLanguage() string {
return GetLanguages()[0]
}

// GetLanguages returns all languages that have been supplied.
func GetLanguages() []string {
globalConfig.RLock()
defer globalConfig.RUnlock()
return globalConfig.languages
lang := globalConfig.language
globalConfig.RUnlock()

return lang
}

// SetLanguage sets the language code (or colon separated language codes) to be used at package level.
// SetLanguage sets the language code to be used at package level.
// It reloads the corresponding Translation file.
func SetLanguage(lang string) {
globalConfig.Lock()
var languages []string
for _, language := range strings.Split(lang, ":") {
language = SimplifiedLocale(language)
languages = append(languages, language)
if language == "C" {
break
}
}
globalConfig.languages = languages
globalConfig.language = SimplifiedLocale(lang)
globalConfig.Unlock()

loadStorage(true)
Expand All @@ -155,7 +132,7 @@ func GetLibrary() string {
return lib
}

// SetLibrary sets the root path for the locale directories and files to be used at package level.
// SetLibrary sets the root path for the loale directories and files to be used at package level.
// It reloads the corresponding Translation file.
func SetLibrary(lib string) {
globalConfig.Lock()
Expand Down Expand Up @@ -196,15 +173,7 @@ func SetStorage(storage *Locale) {
func Configure(lib, lang, dom string) {
globalConfig.Lock()
globalConfig.library = lib
var languages []string
for _, language := range strings.Split(lang, ":") {
language = SimplifiedLocale(language)
languages = append(languages, language)
if language == "C" {
break
}
}
globalConfig.languages = languages
globalConfig.language = SimplifiedLocale(lang)
globalConfig.domain = dom
globalConfig.Unlock()

Expand All @@ -229,20 +198,16 @@ func GetD(dom, str string, vars ...interface{}) string {
// Try to load default package Locale storage
loadStorage(false)

// Return Translation
globalConfig.RLock()
defer globalConfig.RUnlock()

var tr string
for i, locale := range globalConfig.locales {
if _, ok := locale.Domains[dom]; !ok {
locale.AddDomain(dom)
}
if !locale.IsTranslatedD(dom, str) && i < (len(globalConfig.locales)-1) {
continue
}
tr = locale.GetD(dom, str, vars...)
break
if _, ok := globalConfig.storage.Domains[dom]; !ok {
globalConfig.storage.AddDomain(dom)
}

tr := globalConfig.storage.GetD(dom, str, vars...)
globalConfig.RUnlock()

return tr
}

Expand All @@ -252,20 +217,16 @@ func GetND(dom, str, plural string, n int, vars ...interface{}) string {
// Try to load default package Locale storage
loadStorage(false)

// Return Translation
globalConfig.RLock()
defer globalConfig.RUnlock()

var tr string
for i, locale := range globalConfig.locales {
if _, ok := locale.Domains[dom]; !ok {
locale.AddDomain(dom)
}
if !locale.IsTranslatedND(dom, str, n) && i < (len(globalConfig.locales)-1) {
continue
}
tr = locale.GetND(dom, str, plural, n, vars...)
break
if _, ok := globalConfig.storage.Domains[dom]; !ok {
globalConfig.storage.AddDomain(dom)
}

tr := globalConfig.storage.GetND(dom, str, plural, n, vars...)
globalConfig.RUnlock()

return tr
}

Expand All @@ -287,17 +248,11 @@ func GetDC(dom, str, ctx string, vars ...interface{}) string {
// Try to load default package Locale storage
loadStorage(false)

// Return Translation
globalConfig.RLock()
defer globalConfig.RUnlock()
tr := globalConfig.storage.GetDC(dom, str, ctx, vars...)
globalConfig.RUnlock()

var tr string
for i, locale := range globalConfig.locales {
if !locale.IsTranslatedDC(dom, str, ctx) && i < (len(globalConfig.locales)-1) {
continue
}
tr = locale.GetDC(dom, str, ctx, vars...)
break
}
return tr
}

Expand All @@ -309,101 +264,62 @@ func GetNDC(dom, str, plural string, n int, ctx string, vars ...interface{}) str

// Return Translation
globalConfig.RLock()
defer globalConfig.RUnlock()
tr := globalConfig.storage.GetNDC(dom, str, plural, n, ctx, vars...)
globalConfig.RUnlock()

var tr string
for i, locale := range globalConfig.locales {
if !locale.IsTranslatedNDC(dom, str, n, ctx) && i < (len(globalConfig.locales)-1) {
continue
}
tr = locale.GetNDC(dom, str, plural, n, ctx, vars...)
break
}
return tr
}

// IsTranslated reports whether a string is translated in given languages.
// When the langs argument is omitted, the output of GetLanguages is used.
func IsTranslated(str string, langs ...string) bool {
return IsTranslatedND(GetDomain(), str, 0, langs...)
// IsTranslated reports whether a string is translated
func IsTranslated(str string) bool {
return IsTranslatedND(GetDomain(), str, 0)
}

// IsTranslatedN reports whether a plural string is translated in given languages.
// When the langs argument is omitted, the output of GetLanguages is used.
func IsTranslatedN(str string, n int, langs ...string) bool {
return IsTranslatedND(GetDomain(), str, n, langs...)
// IsTranslatedN reports whether a plural string is translated
func IsTranslatedN(str string, n int) bool {
return IsTranslatedND(GetDomain(), str, n)
}

// IsTranslatedD reports whether a domain string is translated in given languages.
// When the langs argument is omitted, the output of GetLanguages is used.
func IsTranslatedD(dom, str string, langs ...string) bool {
return IsTranslatedND(dom, str, 0, langs...)
// IsTranslatedD reports whether a domain string is translated
func IsTranslatedD(dom, str string) bool {
return IsTranslatedND(dom, str, 0)
}

// IsTranslatedND reports whether a plural domain string is translated in any of given languages.
// When the langs argument is omitted, the output of GetLanguages is used.
func IsTranslatedND(dom, str string, n int, langs ...string) bool {
if len(langs) == 0 {
langs = GetLanguages()
}

// IsTranslatedND reports whether a plural domain string is translated
func IsTranslatedND(dom, str string, n int) bool {
loadStorage(false)

globalConfig.RLock()
defer globalConfig.RUnlock()

for _, lang := range langs {
lang = SimplifiedLocale(lang)

for _, supportedLocale := range globalConfig.locales {
if lang != supportedLocale.GetActualLanguage(dom) {
continue
}
return supportedLocale.IsTranslatedND(dom, str, n)
}
if _, ok := globalConfig.storage.Domains[dom]; !ok {
globalConfig.storage.AddDomain(dom)
}
return false
}

// IsTranslatedC reports whether a context string is translated in given languages.
// When the langs argument is omitted, the output of GetLanguages is used.
func IsTranslatedC(str, ctx string, langs ...string) bool {
return IsTranslatedNDC(GetDomain(), str, 0, ctx, langs...)
return globalConfig.storage.IsTranslatedND(dom, str, n)
}

// IsTranslatedNC reports whether a plural context string is translated in given languages.
// When the langs argument is omitted, the output of GetLanguages is used.
func IsTranslatedNC(str string, n int, ctx string, langs ...string) bool {
return IsTranslatedNDC(GetDomain(), str, n, ctx, langs...)
// IsTranslatedC reports whether a context string is translated
func IsTranslatedC(str, ctx string) bool {
return IsTranslatedNDC(GetDomain(), str, 0, ctx)
}

// IsTranslatedDC reports whether a domain context string is translated in given languages.
// When the langs argument is omitted, the output of GetLanguages is used.
func IsTranslatedDC(dom, str, ctx string, langs ...string) bool {
return IsTranslatedNDC(dom, str, 0, ctx, langs...)
// IsTranslatedNC reports whether a plural context string is translated
func IsTranslatedNC(str string, n int, ctx string) bool {
return IsTranslatedNDC(GetDomain(), str, n, ctx)
}

// IsTranslatedNDC reports whether a plural domain context string is translated in any of given languages.
// When the langs argument is omitted, the output of GetLanguages is used.
func IsTranslatedNDC(dom, str string, n int, ctx string, langs ...string) bool {
if len(langs) == 0 {
langs = GetLanguages()
}
// IsTranslatedDC reports whether a domain context string is translated
func IsTranslatedDC(dom, str, ctx string) bool {
return IsTranslatedNDC(dom, str, 0, ctx)
}

// IsTranslatedNDC reports whether a plural domain context string is translated
func IsTranslatedNDC(dom, str string, n int, ctx string) bool {
loadStorage(false)

globalConfig.RLock()
defer globalConfig.RUnlock()

for _, lang := range langs {
lang = SimplifiedLocale(lang)

for _, locale := range globalConfig.locales {
if lang != locale.GetActualLanguage(dom) {
continue
}
return locale.IsTranslatedNDC(dom, str, n, ctx)
}
}
return false
return globalConfig.storage.IsTranslatedNDC(dom, str, n, ctx)
}

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