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Diffstat (limited to 'src/declarative/qml/qdeclarativecompiledbindings_p.h')
| -rw-r--r-- | src/declarative/qml/qdeclarativecompiledbindings_p.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativecompiledbindings_p.h b/src/declarative/qml/qdeclarativecompiledbindings_p.h new file mode 100644 index 00000000..bc954c7c --- /dev/null +++ b/src/declarative/qml/qdeclarativecompiledbindings_p.h @@ -0,0 +1,116 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVEBINDINGOPTIMIZATIONS_P_H +#define QDECLARATIVEBINDINGOPTIMIZATIONS_P_H + +// +// 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. +// + +#include "private/qdeclarativeexpression_p.h" +#include "private/qdeclarativebinding_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +struct QDeclarativeBindingCompilerPrivate; +class QDeclarativeBindingCompiler +{ +public: + QDeclarativeBindingCompiler(); + ~QDeclarativeBindingCompiler(); + + // Returns true if bindings were compiled + bool isValid() const; + + struct Expression + { + QDeclarativeParser::Object *component; + QDeclarativeParser::Object *context; + QDeclarativeParser::Property *property; + QDeclarativeParser::Variant expression; + QHash<QString, QDeclarativeParser::Object *> ids; + QDeclarativeImports imports; + }; + + // -1 on failure, otherwise the binding index to use + int compile(const Expression &, QDeclarativeEnginePrivate *); + + // Returns the compiled program + QByteArray program() const; + + static void dump(const QByteArray &); +private: + QDeclarativeBindingCompilerPrivate *d; +}; + +class QDeclarativeCompiledBindingsPrivate; +class QDeclarativeCompiledBindings : public QObject, public QDeclarativeAbstractExpression, public QDeclarativeRefCount +{ +public: + QDeclarativeCompiledBindings(const char *program, QDeclarativeContextData *context, QDeclarativeRefCount *); + virtual ~QDeclarativeCompiledBindings(); + + QDeclarativeAbstractBinding *configBinding(int index, QObject *target, QObject *scope, int property); + +protected: + int qt_metacall(QMetaObject::Call, int, void **); + +private: + Q_DISABLE_COPY(QDeclarativeCompiledBindings) + Q_DECLARE_PRIVATE(QDeclarativeCompiledBindings) +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QDECLARATIVEBINDINGOPTIMIZATIONS_P_H + |