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tdlib-fork/td/telegram/LanguagePackManager.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/telegram/net/NetQuery.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/actor/actor.h"
#include "td/actor/PromiseFuture.h"
#include "td/utils/Container.h"
#include <atomic>
#include <mutex>
#include <unordered_map>
#include <unordered_set>
#include <utility>
namespace td {
class LanguagePackManager : public NetQueryCallback {
public:
explicit LanguagePackManager(ActorShared<> parent) : parent_(std::move(parent)) {
}
void on_language_pack_changed();
void on_language_code_changed();
void on_language_pack_version_changed(int32 new_version);
void get_languages(Promise<td_api::object_ptr<td_api::languagePack>> promise);
void get_language_pack_strings(string language_code, vector<string> keys,
Promise<td_api::object_ptr<td_api::languagePackStrings>> promise);
void on_update_language_pack(tl_object_ptr<telegram_api::langPackDifference> difference);
private:
struct PluralizedString {
string zero_value_;
string one_value_;
string two_value_;
string few_value_;
string many_value_;
string other_value_;
};
struct Language {
std::mutex mutex_;
std::atomic<int32> version_{-1};
bool has_get_difference_query_ = false;
std::unordered_map<string, string> ordinary_strings_;
std::unordered_map<string, PluralizedString> pluralized_strings_;
std::unordered_set<string> deleted_strings_;
};
struct LanguagePack {
std::mutex mutex_;
std::unordered_map<string, std::unique_ptr<Language>> languages_;
};
ActorShared<> parent_;
string language_pack_;
string language_code_;
uint32 generation_ = 0;
static std::mutex language_packs_mutex_;
static std::unordered_map<string, std::unique_ptr<LanguagePack>> language_packs_;
static Language *get_language(const string &language_pack, const string &language_code);
static Language *get_language(LanguagePack *language_pack, const string &language_code);
static Language *add_language(const string &language_pack, const string &language_code);
static bool language_has_string_unsafe(Language *language, const string &key);
static bool language_has_strings(Language *language, const vector<string> &keys);
static td_api::object_ptr<td_api::LanguagePackString> get_language_pack_string_object(
const std::pair<string, string> &str);
static td_api::object_ptr<td_api::LanguagePackString> get_language_pack_string_object(
const std::pair<string, PluralizedString> &str);
static td_api::object_ptr<td_api::LanguagePackString> get_language_pack_string_object(const string &str);
static td_api::object_ptr<td_api::languagePackStrings> get_language_pack_strings_object(Language *language,
const vector<string> &keys);
void inc_generation();
void on_get_language_pack_strings(string language_pack, string language_code, int32 version, bool is_diff,
vector<string> keys, vector<tl_object_ptr<telegram_api::LangPackString>> results,
Promise<td_api::object_ptr<td_api::languagePackStrings>> promise);
void on_failed_get_difference(string language_pack, string language_code);
void on_result(NetQueryPtr query) override;
void start_up() override;
void hangup() override;
Container<Promise<NetQueryPtr>> container_;
void send_with_promise(NetQueryPtr query, Promise<NetQueryPtr> promise);
};
} // namespace td