epervier-old/birb/core/lang.lua

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-- core/langs.lua :: The translation system. Transform a string to another
-- according to the translations files in the datas/ folder.
--[[
Copyright © 2019 Kazhnuz
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
]]
local LanguageManager = Object:extend()
local TRANSLATION_PATH = "datas/languages/"
-- INIT FUNCTIONS
-- Initialize and configure the translation system
function LanguageManager:new(controller)
self.controller = controller
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self.data = self:getTranslationData()
self:setLang(self.controller.options.data.language.current)
end
function LanguageManager:setLang(lang)
self.controller.options.data.language.current = lang
self.lang = self.controller.options.data.language.current
end
-- INFO FUNCTIONS
-- Get informations from the translation manager
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function LanguageManager:getCurrentLang()
return self.data.language.current
end
function LanguageManager:getDefaultLang()
return self.data.language.default
end
function LanguageManager:getTranslationData()
return self.controller.options.data.language
end
function LanguageManager:getLangMetadata(lang)
local langfilepath = self.data.path .. lang
return require(langfilepath)
end
function LanguageManager:getLangName(lang)
local metadata = self:getLangMetadata(lang)
return metadata.name
end
function LanguageManager:getCurrentLangName()
return self:getLangName(self.data.current)
end
function LanguageManager:isLangAvailable(lang)
local isAvailable = false
for i,v in ipairs(self.data.available) do
if v == lang then
isAvailable = true
end
end
return isAvailable
end
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-- TRANSLATION FUNCTIONS
-- get the translation of a string
function LanguageManager:getTranslationStringList(lang, library)
local _path = self.data.path .. lang .. "/" .. library
local fileinfo = love.filesystem.getInfo(_path .. ".lua")
local list = nil
if fileinfo ~= nil then
list = require(_path)
else
core.debug:warning("core/lang","file " .. _path .. " do not exists")
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end
return list
end
function LanguageManager:translateFromLang(lang, library, stringToTranslate)
local _stringlist = self:getTranslationStringList(lang, library)
if _stringlist == nil then
return nil
else
return _stringlist[stringToTranslate]
end
end
function LanguageManager:translate(library, string)
local translation = self:translateFromLang(self.data.current, library, string)
if (translation == nil) then
translation = self:translateFromLang(self.data.default, library, string)
end
if (translation == nil) then
translation = string
core.debug:warning("core/lang", "no translation path found for " .. string .. " in " .. library)
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end
return translation
end
return LanguageManager