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Diffstat (limited to 'src/qml/qml/ftw/qfastmetabuilder_p.h')
| -rw-r--r-- | src/qml/qml/ftw/qfastmetabuilder_p.h | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/qml/qml/ftw/qfastmetabuilder_p.h b/src/qml/qml/ftw/qfastmetabuilder_p.h new file mode 100644 index 0000000000..c1f6a3de5c --- /dev/null +++ b/src/qml/qml/ftw/qfastmetabuilder_p.h @@ -0,0 +1,206 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml 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 QFASTMETABUILDER_P_H +#define QFASTMETABUILDER_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of moc. This header file may change from version to version without notice, +// or even be removed. +// +// We mean it. +// + +#include <QtCore/qglobal.h> +#include <QtCore/qmetatype.h> +#include <QtCore/qmetaobject.h> + +#include <private/qhashedstring_p.h> + +QT_BEGIN_NAMESPACE + +struct QMetaObject; +class QFastMetaBuilder +{ +public: + QFastMetaBuilder(); + ~QFastMetaBuilder(); + + struct StringRef { + public: + inline StringRef(); + inline StringRef(const StringRef &); + inline StringRef &operator=(const StringRef &); + + inline void load(const QHashedStringRef &); + inline void load(const QByteArray &); + inline void load(const char *); + + inline bool isEmpty() const; + inline QFastMetaBuilder *builder() const; + inline int offset() const; + inline char *data(); + inline int length() const; + private: + friend class QFastMetaBuilder; + + QFastMetaBuilder *_b; + int _o; + int _l; + }; + StringRef newString(int length); + + // Returns class name + StringRef init(int classNameLength, + int propertyCount, int methodCount, + int signalCount, int classInfoCount); + + void setClassInfo(int index, const StringRef &key, const StringRef &value); + + enum PropertyFlag { + None = 0x00000000, + Writable = 0x00000002, + Resettable = 0x00000004, + Constant = 0x00000400, + Final = 0x00000800 + }; + // void setProperty(int index, const StringRef &name, QMetaType::Type type, int notifySignal = -1); + void setProperty(int index, const StringRef &name, const StringRef &type, + QMetaType::Type mtype, PropertyFlag flags, int notifySignal = -1); + void setProperty(int index, const StringRef &name, const StringRef &type, + PropertyFlag flags, int notifySignal = -1); + void setMethod(int index, const StringRef &signature, + const StringRef ¶meterNames = StringRef(), + const StringRef &type = StringRef()); + void setSignal(int index, const StringRef &signature, + const StringRef ¶meterNames = StringRef(), + const StringRef &type = StringRef()); + + int metaObjectIndexForSignal(int) const; + int metaObjectIndexForMethod(int) const; + + QByteArray toData() const { return m_data; } + static void fromData(QMetaObject *, const QMetaObject *parent, const QByteArray &); +private: + friend struct StringRef; + + QByteArray m_data; + int m_zeroPtr; + + void allocateStringData(); + char *m_stringData; + int m_stringDataLength; + int m_stringDataAllocated; +}; + +QFastMetaBuilder::StringRef::StringRef() +: _b(0), _o(0), _l(0) +{ +} + +QFastMetaBuilder::StringRef::StringRef(const StringRef &o) +: _b(o._b), _o(o._o), _l(o._l) +{ +} + +QFastMetaBuilder::StringRef &QFastMetaBuilder::StringRef::operator=(const StringRef &o) +{ + _b = o._b; + _o = o._o; + _l = o._l; + return *this; +} + +bool QFastMetaBuilder::StringRef::isEmpty() const +{ + return _l == 0; +} + +QFastMetaBuilder *QFastMetaBuilder::StringRef::builder() const +{ + return _b; +} + +int QFastMetaBuilder::StringRef::offset() const +{ + return _o; +} + +char *QFastMetaBuilder::StringRef::data() +{ + Q_ASSERT(_b); + if (_b->m_stringDataLength != _b->m_stringDataAllocated) + _b->allocateStringData(); + return _b->m_stringData + _o; +} + +int QFastMetaBuilder::StringRef::length() const +{ + return _l; +} + +void QFastMetaBuilder::StringRef::load(const QHashedStringRef &str) +{ + Q_ASSERT(str.utf8length() == _l); + str.writeUtf8(data()); + *(data() + _l) = 0; +} + +void QFastMetaBuilder::StringRef::load(const QByteArray &str) +{ + Q_ASSERT(str.length() == _l); + strcpy(data(), str.constData()); +} + +void QFastMetaBuilder::StringRef::load(const char *str) +{ + Q_ASSERT(strlen(str) == (uint)_l); + strcpy(data(), str); +} + +QT_END_NAMESPACE + +#endif // QFASTMETABUILDER_P_H + |