mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-02 00:40:10 +00:00
141 lines
3.3 KiB
Lua
141 lines
3.3 KiB
Lua
--
|
|
-- (C) 2014-18 - ntop.org
|
|
--
|
|
|
|
i18n = require "i18n"
|
|
local dirs = ntop.getDirs()
|
|
|
|
local locales = {}
|
|
|
|
-- ##############################################
|
|
|
|
local default_locale = "en"
|
|
local default_locale_path = dirs.installdir..'/scripts/locales/en.lua'
|
|
local available_locales = {}
|
|
local locales_initialized = false
|
|
|
|
local supported_locales = {
|
|
{code = "en"},
|
|
{code = "it"},
|
|
{code = "de"},
|
|
{code = "jp"},
|
|
{code = "pt"},
|
|
{code = "cz"}
|
|
}
|
|
|
|
-- ##############################################
|
|
|
|
function locales.loadLocaleFile(path, locale)
|
|
local chunk = assert(loadfile(path))
|
|
local data = chunk()
|
|
|
|
-- Check if plugin specific locales exist
|
|
local plugins_locales = dirs.workingdir .. "/plugins/locales/" .. locale .. ".lua"
|
|
|
|
if ntop.exists(plugins_locales) then
|
|
local chunk = assert(loadfile(plugins_locales))
|
|
local plugins_data = chunk()
|
|
|
|
-- Add the plugins localized strings
|
|
for k, v in pairs(plugins_data) do
|
|
data[k] = v
|
|
end
|
|
end
|
|
|
|
i18n.load({[locale]=data})
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
local function lookupLocale(localename)
|
|
local base_path = dirs.installdir..'/scripts/locales/'
|
|
local locale_path = base_path .. localename .. ".lua"
|
|
|
|
if ntop.exists(locale_path) then
|
|
return locale_path
|
|
end
|
|
|
|
return nil
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
local function initLocales()
|
|
if(locales_initialized) then
|
|
-- Already initialized
|
|
return
|
|
end
|
|
|
|
-- Provides a fallback for not already localized strings
|
|
locales.loadLocaleFile(default_locale_path, default_locale)
|
|
|
|
locales.default_locale = default_locale
|
|
|
|
-- language is a global variable set from C that corresponds to the user default language
|
|
-- it may be null when lua_utils are imported from periodic scripts
|
|
if language == nil then
|
|
local admin_lang = ntop.getPref("ntopng.user.admin.language")
|
|
language = ternary(isEmptyString(admin_lang), locales.default_locale, admin_lang)
|
|
end
|
|
|
|
i18n.setLocale(language)
|
|
|
|
-- Note: en already loaded
|
|
if (language ~= "en") and (not ntop.isnEdge()) then
|
|
local locale_path = lookupLocale(language)
|
|
|
|
if locale_path then
|
|
locales.loadLocaleFile(locale_path, language)
|
|
end
|
|
end
|
|
|
|
-- use pairsByKeys to impose an order
|
|
for _, locale in ipairs(supported_locales) do
|
|
local localename = locale["code"]
|
|
|
|
if lookupLocale(localename) then
|
|
available_locales[#available_locales + 1] = locale
|
|
end
|
|
end
|
|
|
|
locales_initialized = true
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function locales.getAvailableLocales()
|
|
initLocales()
|
|
|
|
return available_locales
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
function locales.readDefaultLocale()
|
|
local path = default_locale_path
|
|
local chunk = assert(loadfile(path))
|
|
local data = chunk()
|
|
|
|
return(data)
|
|
end
|
|
|
|
-- ##############################################
|
|
|
|
-- Locales lazy loading: only load them when a script calls i18n(...)
|
|
local orig_i18n_metatable = getmetatable(i18n)
|
|
local i18n_mt = {}
|
|
|
|
-- Replace the i18n(...) invocation
|
|
function i18n_mt.__call(...)
|
|
-- ensure that the loacales are loaded
|
|
initLocales()
|
|
|
|
-- call the original i18n function
|
|
return(orig_i18n_metatable.__call(...))
|
|
end
|
|
|
|
setmetatable(i18n, i18n_mt)
|
|
|
|
-- ##############################################
|
|
|
|
return locales
|