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+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef Patternist_XsdStateMachineBuilder_H
+#define Patternist_XsdStateMachineBuilder_H
+
+#include "qxsdparticle_p.h"
+#include "qxsdstatemachine_p.h"
+#include "qxsdterm_p.h"
+
+#include <QtCore/QExplicitlySharedDataPointer>
+#include <QtCore/QList>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+ /**
+ * @short A helper class to build up validation state machines.
+ *
+ * @ingroup Patternist_schema
+ * @author Tobias Koenig <tobias.koenig@trolltech.com>
+ */
+ class XsdStateMachineBuilder : public QSharedData
+ {
+ public:
+ typedef QExplicitlySharedDataPointer<XsdStateMachineBuilder> Ptr;
+
+ enum Mode
+ {
+ CheckingMode,
+ ValidatingMode
+ };
+
+ /**
+ * Creates a new state machine builder.
+ *
+ * @param machine The state machine it should work on.
+ * @param namePool The name pool used by all schema components.
+ * @param mode The mode the machine shall be build for.
+ */
+ XsdStateMachineBuilder(XsdStateMachine<XsdTerm::Ptr> *machine, const NamePool::Ptr &namePool, Mode mode = CheckingMode);
+
+ /**
+ * Resets the state machine.
+ *
+ * @returns The initial end state.
+ */
+ XsdStateMachine<XsdTerm::Ptr>::StateId reset();
+
+ /**
+ * Prepends a start state to the given @p state.
+ * That is needed to allow the conversion of the state machine from a FSA to a DFA.
+ */
+ XsdStateMachine<XsdTerm::Ptr>::StateId addStartState(XsdStateMachine<XsdTerm::Ptr>::StateId state);
+
+ /**
+ * Creates the state machine for the given @p particle that should have the
+ * given @p endState.
+ *
+ * @returns The new start state.
+ */
+ XsdStateMachine<XsdTerm::Ptr>::StateId buildParticle(const XsdParticle::Ptr &particle, XsdStateMachine<XsdTerm::Ptr>::StateId endState);
+
+ /**
+ * Creates the state machine for the given @p term that should have the
+ * given @p endState.
+ *
+ * @returns The new start state.
+ */
+ XsdStateMachine<XsdTerm::Ptr>::StateId buildTerm(const XsdTerm::Ptr &term, XsdStateMachine<XsdTerm::Ptr>::StateId endState);
+
+ /**
+ * Returns a hash that maps each term that appears inside @p particle, to the particle it belongs.
+ *
+ * @note These information are used by XsdParticleChecker to check particle inheritance.
+ */
+ static QHash<XsdTerm::Ptr, XsdParticle::Ptr> particleLookupMap(const XsdParticle::Ptr &particle);
+
+ private:
+ XsdStateMachine<XsdTerm::Ptr> *m_stateMachine;
+ NamePool::Ptr m_namePool;
+ Mode m_mode;
+ };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif