| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtScxml module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
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| ** |
| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| #include "qscxmlstatemachineinfo_p.h" |
| #include "qscxmlstatemachine_p.h" |
| #include "qscxmlexecutablecontent_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QScxmlStateMachineInfoPrivate: public QObjectPrivate |
| { |
| Q_DECLARE_PUBLIC(QScxmlStateMachineInfo) |
| |
| public: |
| QScxmlStateMachine *stateMachine() const |
| { return qobject_cast<QScxmlStateMachine *>(q_func()->parent()); } |
| |
| QScxmlStateMachinePrivate *stateMachinePrivate() const |
| { return QScxmlStateMachinePrivate::get(stateMachine()); } |
| |
| const QScxmlExecutableContent::StateTable *stateTable() const |
| { return stateMachinePrivate()->m_stateTable; } |
| }; |
| |
| QScxmlStateMachineInfo::QScxmlStateMachineInfo(QScxmlStateMachine *stateMachine) |
| : QObject(*new QScxmlStateMachineInfoPrivate, stateMachine) |
| { |
| QScxmlStateMachinePrivate::get(stateMachine)->attach(this); |
| } |
| |
| QScxmlStateMachine *QScxmlStateMachineInfo::stateMachine() const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| return d->stateMachine(); |
| } |
| |
| QVector<QScxmlStateMachineInfo::StateId> QScxmlStateMachineInfo::allStates() const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| QVector<QScxmlStateMachineInfo::StateId> all; |
| for (int i = 0, ei = d->stateTable()->stateCount; i < ei; ++i) { |
| all.append(i); |
| } |
| return all; |
| } |
| |
| QVector<QScxmlStateMachineInfo::TransitionId> QScxmlStateMachineInfo::allTransitions() const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| QVector<QScxmlStateMachineInfo::TransitionId> all; |
| for (int i = 0, ei = d->stateTable()->transitionCount; i < ei; ++i) { |
| all.append(i); |
| } |
| return all; |
| } |
| |
| QString QScxmlStateMachineInfo::stateName(int stateId) const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| if (stateId < 0 || stateId >= d->stateTable()->stateCount) |
| return QString(); |
| |
| auto state = d->stateTable()->state(stateId); |
| if (state.name >= 0) |
| return d->stateMachinePrivate()->m_tableData->string(state.name); |
| else |
| return QString(); |
| } |
| |
| QScxmlStateMachineInfo::StateId QScxmlStateMachineInfo::stateParent(StateId stateId) const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| if (stateId < 0 || stateId >= d->stateTable()->stateCount) |
| return InvalidStateId; |
| |
| auto state = d->stateTable()->state(stateId); |
| return state.parent; |
| } |
| |
| QScxmlStateMachineInfo::StateType QScxmlStateMachineInfo::stateType(StateId stateId) const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| if (stateId < 0 || stateId >= d->stateTable()->stateCount) |
| return InvalidState; |
| |
| auto state = d->stateTable()->state(stateId); |
| switch (state.type) { |
| default: return InvalidState; |
| case QScxmlExecutableContent::StateTable::State::Normal: return NormalState; |
| case QScxmlExecutableContent::StateTable::State::Parallel: return ParallelState; |
| case QScxmlExecutableContent::StateTable::State::Final: return FinalState; |
| case QScxmlExecutableContent::StateTable::State::ShallowHistory: return ShallowHistoryState; |
| case QScxmlExecutableContent::StateTable::State::DeepHistory: return DeepHistoryState; |
| } |
| } |
| |
| QVector<QScxmlStateMachineInfo::StateId> QScxmlStateMachineInfo::stateChildren(StateId stateId) const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| int childStates = QScxmlExecutableContent::StateTable::InvalidIndex; |
| if (stateId == InvalidStateId) |
| childStates = d->stateTable()->childStates; |
| if (stateId >= 0 && stateId < d->stateTable()->stateCount) |
| childStates = d->stateTable()->state(stateId).childStates; |
| |
| QVector<QScxmlStateMachineInfo::StateId> all; |
| if (childStates == QScxmlExecutableContent::StateTable::InvalidIndex) |
| return all; |
| |
| const auto kids = d->stateTable()->array(childStates); |
| all.reserve(kids.size()); |
| for (auto childId : kids) { |
| all.append(childId); |
| } |
| return all; |
| } |
| |
| QScxmlStateMachineInfo::TransitionType QScxmlStateMachineInfo::transitionType(QScxmlStateMachineInfo::TransitionId transitionId) const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| if (transitionId < 0 || transitionId >= d->stateTable()->transitionCount) |
| return InvalidTransition; |
| |
| auto transition = d->stateTable()->transition(transitionId); |
| switch (transition.type) { |
| default: return InvalidTransition; |
| case QScxmlExecutableContent::StateTable::Transition::Invalid: return InvalidTransition; |
| case QScxmlExecutableContent::StateTable::Transition::Internal: return InternalTransition; |
| case QScxmlExecutableContent::StateTable::Transition::External: return ExternalTransition; |
| case QScxmlExecutableContent::StateTable::Transition::Synthetic: return SyntheticTransition; |
| } |
| } |
| |
| QScxmlStateMachineInfo::TransitionId QScxmlStateMachineInfo::initialTransition(StateId stateId) const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| if (stateId == InvalidStateId) |
| return d->stateTable()->initialTransition; |
| |
| if (stateId < 0 || stateId >= d->stateTable()->stateCount) |
| return InvalidTransitionId; |
| |
| return d->stateTable()->state(stateId).initialTransition; |
| } |
| |
| QScxmlStateMachineInfo::StateId QScxmlStateMachineInfo::transitionSource(TransitionId transitionId) const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| if (transitionId < 0 || transitionId >= d->stateTable()->transitionCount) |
| return InvalidStateId; |
| |
| auto transition = d->stateTable()->transition(transitionId); |
| return transition.source; |
| } |
| |
| QVector<QScxmlStateMachineInfo::StateId> QScxmlStateMachineInfo::transitionTargets(TransitionId transitionId) const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| QVector<QScxmlStateMachineInfo::StateId> targets; |
| if (transitionId < 0 || transitionId >= d->stateTable()->transitionCount) |
| return targets; |
| |
| auto transition = d->stateTable()->transition(transitionId); |
| if (transition.targets == QScxmlExecutableContent::StateTable::InvalidIndex) |
| return targets; |
| |
| for (int target : d->stateTable()->array(transition.targets)) { |
| targets.append(target); |
| } |
| |
| return targets; |
| } |
| |
| QVector<QString> QScxmlStateMachineInfo::transitionEvents(TransitionId transitionId) const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| |
| QVector<QString> events; |
| if (transitionId < 0 || transitionId >= d->stateTable()->transitionCount) |
| return events; |
| |
| auto transition = d->stateTable()->transition(transitionId); |
| if (transition.events == QScxmlExecutableContent::StateTable::InvalidIndex) |
| return events; |
| |
| auto eventIds = d->stateTable()->array(transition.events); |
| events.reserve(eventIds.size()); |
| for (auto eventId : eventIds) { |
| events.append(d->stateMachinePrivate()->m_tableData->string(eventId)); |
| } |
| |
| return events; |
| } |
| |
| QVector<QScxmlStateMachineInfo::StateId> QScxmlStateMachineInfo::configuration() const |
| { |
| Q_D(const QScxmlStateMachineInfo); |
| const auto &list = d->stateMachinePrivate()->configuration().list(); |
| return QVector<StateId>(list.cbegin(), list.cend()); |
| } |
| |
| QT_END_NAMESPACE |