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