diff options
Diffstat (limited to 'lib/events/stateevent.h')
| -rw-r--r-- | lib/events/stateevent.h | 254 |
1 files changed, 132 insertions, 122 deletions
diff --git a/lib/events/stateevent.h b/lib/events/stateevent.h index 3b56a265..d1b742ba 100644 --- a/lib/events/stateevent.h +++ b/lib/events/stateevent.h @@ -1,138 +1,148 @@ /****************************************************************************** -* Copyright (C) 2018 Kitsune Ral <kitsune-ral@users.sf.net> -* -* This library is free software; you can redistribute it and/or -* modify it under the terms of the GNU Lesser General Public -* License as published by the Free Software Foundation; either -* version 2.1 of the License, or (at your option) any later version. -* -* This library is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -* Lesser General Public License for more details. -* -* You should have received a copy of the GNU Lesser General Public -* License along with this library; if not, write to the Free Software -* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA -*/ + * Copyright (C) 2018 Kitsune Ral <kitsune-ral@users.sf.net> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ #pragma once #include "roomevent.h" -namespace QMatrixClient { +namespace QMatrixClient +{ + +/// Make a minimal correct Matrix state event JSON +template <typename StrT> +inline QJsonObject basicStateEventJson(StrT matrixType, + const QJsonObject& content, + const QString& stateKey = {}) +{ + return { { TypeKey, std::forward<StrT>(matrixType) }, + { StateKeyKey, stateKey }, + { ContentKey, content } }; +} + +class StateEventBase : public RoomEvent +{ +public: + using factory_t = EventFactory<StateEventBase>; + + StateEventBase(Type type, const QJsonObject& json) + : RoomEvent(type, json) + {} + StateEventBase(Type type, event_mtype_t matrixType, + const QString& stateKey = {}, + const QJsonObject& contentJson = {}); + ~StateEventBase() override = default; + + bool isStateEvent() const override { return true; } + QString replacedState() const; + void dumpTo(QDebug dbg) const override; + + virtual bool repeatsState() const; +}; +using StateEventPtr = event_ptr_tt<StateEventBase>; +using StateEvents = EventsArray<StateEventBase>; + +template <> +inline bool is<StateEventBase>(const Event& e) +{ + return e.isStateEvent(); +} - /// Make a minimal correct Matrix state event JSON - template <typename StrT> - inline QJsonObject basicStateEventJson(StrT matrixType, - const QJsonObject& content, const QString& stateKey = {}) +/** + * A combination of event type and state key uniquely identifies a piece + * of state in Matrix. + * \sa + * https://matrix.org/docs/spec/client_server/unstable.html#types-of-room-events + */ +using StateEventKey = QPair<QString, QString>; + +template <typename ContentT> +struct Prev +{ + template <typename... ContentParamTs> + explicit Prev(const QJsonObject& unsignedJson, + ContentParamTs&&... contentParams) + : senderId(unsignedJson.value("prev_sender"_ls).toString()) + , content(unsignedJson.value(PrevContentKeyL).toObject(), + std::forward<ContentParamTs>(contentParams)...) + {} + + QString senderId; + ContentT content; +}; + +template <typename ContentT> +class StateEvent : public StateEventBase +{ +public: + using content_type = ContentT; + + template <typename... ContentParamTs> + explicit StateEvent(Type type, const QJsonObject& fullJson, + ContentParamTs&&... contentParams) + : StateEventBase(type, fullJson) + , _content(contentJson(), std::forward<ContentParamTs>(contentParams)...) { - return { { TypeKey, std::forward<StrT>(matrixType) }, - { StateKeyKey, stateKey }, - { ContentKey, content } }; + const auto& unsignedData = unsignedJson(); + if (unsignedData.contains(PrevContentKeyL)) + _prev = std::make_unique<Prev<ContentT>>( + unsignedData, std::forward<ContentParamTs>(contentParams)...); + } + template <typename... ContentParamTs> + explicit StateEvent(Type type, event_mtype_t matrixType, + const QString& stateKey, + ContentParamTs&&... contentParams) + : StateEventBase(type, matrixType, stateKey) + , _content(std::forward<ContentParamTs>(contentParams)...) + { + editJson().insert(ContentKey, _content.toJson()); } - class StateEventBase: public RoomEvent + const ContentT& content() const { return _content; } + template <typename VisitorT> + void editContent(VisitorT&& visitor) { - public: - using factory_t = EventFactory<StateEventBase>; - - StateEventBase(Type type, const QJsonObject& json) - : RoomEvent(type, json) - { } - StateEventBase(Type type, event_mtype_t matrixType, - const QString& stateKey = {}, - const QJsonObject& contentJson = {}); - ~StateEventBase() override = default; - - bool isStateEvent() const override { return true; } - QString replacedState() const; - void dumpTo(QDebug dbg) const override; - - virtual bool repeatsState() const; - }; - using StateEventPtr = event_ptr_tt<StateEventBase>; - using StateEvents = EventsArray<StateEventBase>; - - template <> - inline bool is<StateEventBase>(const Event& e) { return e.isStateEvent(); } - - /** - * A combination of event type and state key uniquely identifies a piece - * of state in Matrix. - * \sa https://matrix.org/docs/spec/client_server/unstable.html#types-of-room-events - */ - using StateEventKey = QPair<QString, QString>; - - template <typename ContentT> - struct Prev + visitor(_content); + editJson()[ContentKeyL] = _content.toJson(); + } + [[deprecated("Use prevContent instead")]] const ContentT* prev_content() const { - template <typename... ContentParamTs> - explicit Prev(const QJsonObject& unsignedJson, - ContentParamTs&&... contentParams) - : senderId(unsignedJson.value("prev_sender"_ls).toString()) - , content(unsignedJson.value(PrevContentKeyL).toObject(), - std::forward<ContentParamTs>(contentParams)...) - { } - - QString senderId; - ContentT content; - }; - - template <typename ContentT> - class StateEvent: public StateEventBase + return prevContent(); + } + const ContentT* prevContent() const { - public: - using content_type = ContentT; - - template <typename... ContentParamTs> - explicit StateEvent(Type type, const QJsonObject& fullJson, - ContentParamTs&&... contentParams) - : StateEventBase(type, fullJson) - , _content(contentJson(), - std::forward<ContentParamTs>(contentParams)...) - { - const auto& unsignedData = unsignedJson(); - if (unsignedData.contains(PrevContentKeyL)) - _prev = std::make_unique<Prev<ContentT>>(unsignedData, - std::forward<ContentParamTs>(contentParams)...); - } - template <typename... ContentParamTs> - explicit StateEvent(Type type, event_mtype_t matrixType, - const QString& stateKey, - ContentParamTs&&... contentParams) - : StateEventBase(type, matrixType, stateKey) - , _content(std::forward<ContentParamTs>(contentParams)...) - { - editJson().insert(ContentKey, _content.toJson()); - } - - const ContentT& content() const { return _content; } - template <typename VisitorT> - void editContent(VisitorT&& visitor) - { - visitor(_content); - editJson()[ContentKeyL] = _content.toJson(); - } - [[deprecated("Use prevContent instead")]] - const ContentT* prev_content() const { return prevContent(); } - const ContentT* prevContent() const - { return _prev ? &_prev->content : nullptr; } - QString prevSenderId() const - { return _prev ? _prev->senderId : QString(); } - - private: - ContentT _content; - std::unique_ptr<Prev<ContentT>> _prev; - }; + return _prev ? &_prev->content : nullptr; + } + QString prevSenderId() const { return _prev ? _prev->senderId : QString(); } + +private: + ContentT _content; + std::unique_ptr<Prev<ContentT>> _prev; +}; } // namespace QMatrixClient -namespace std { - template <> struct hash<QMatrixClient::StateEventKey> +namespace std +{ +template <> +struct hash<QMatrixClient::StateEventKey> +{ + size_t operator()(const QMatrixClient::StateEventKey& k) const Q_DECL_NOEXCEPT { - size_t operator()(const QMatrixClient::StateEventKey& k) const Q_DECL_NOEXCEPT - { - return qHash(k); - } - }; -} + return qHash(k); + } +}; +} // namespace std |