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-/****************************************************************************
-**
-** 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 index() const;
- inline char *data();
- inline int length() const;
- inline void loadByteArrayData();
- private:
- friend class QFastMetaBuilder;
-
- QFastMetaBuilder *_b;
- int _i;
- int _o;
- int _l;
- };
- StringRef newString(int length);
-
- // Returns class name
- StringRef init(int classNameLength,
- int propertyCount, int methodCount,
- int signalCount, int classInfoCount,
- int paramDataSize, int *paramIndex);
-
- 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, int type,
- PropertyFlag flags, int notifySignal = -1);
- void setMethod(int index, const StringRef &name, int paramIndex, int argc = 0,
- const int *types = 0, const StringRef *parameterNames = 0,
- QMetaType::Type type = QMetaType::Void);
- void setSignal(int index, const StringRef &name, int paramIndex, int argc = 0,
- const int *types = 0, const StringRef *parameterNames = 0,
- QMetaType::Type type = QMetaType::Void);
-
- int metaObjectIndexForSignal(int) const;
- int metaObjectIndexForMethod(int) const;
-
- QByteArray toData() const {
- if (m_stringCountLoaded == m_stringCount - 1) {
- // zero-string is lazily loaded last
- const_cast<StringRef &>(m_zeroString).loadByteArrayData();
- }
- Q_ASSERT(m_stringCountLoaded == m_stringCount);
- return m_data;
- }
- static void fromData(QMetaObject *, const QMetaObject *parent, const QByteArray &);
-private:
- friend struct StringRef;
-
- QByteArray m_data;
- StringRef m_zeroString;
-
- void allocateStringData();
- QByteArrayData *m_stringData;
- int m_stringCount;
- int m_stringDataLength;
- int m_stringCountAllocated;
- int m_stringCountLoaded;
-};
-
-QFastMetaBuilder::StringRef::StringRef()
-: _b(0), _i(0), _o(0), _l(0)
-{
-}
-
-QFastMetaBuilder::StringRef::StringRef(const StringRef &o)
-: _b(o._b), _i(o._i), _o(o._o), _l(o._l)
-{
-}
-
-QFastMetaBuilder::StringRef &QFastMetaBuilder::StringRef::operator=(const StringRef &o)
-{
- _b = o._b;
- _i = o._i;
- _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::index() const
-{
- return _i;
-}
-
-char *QFastMetaBuilder::StringRef::data()
-{
- Q_ASSERT(_b);
- if (_b->m_stringCountAllocated < _b->m_stringCount)
- _b->allocateStringData();
- return reinterpret_cast<char *>(&_b->m_stringData[_b->m_stringCount]) + _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;
- loadByteArrayData();
-}
-
-void QFastMetaBuilder::StringRef::load(const QByteArray &str)
-{
- Q_ASSERT(str.length() == _l);
- strcpy(data(), str.constData());
- loadByteArrayData();
-}
-
-void QFastMetaBuilder::StringRef::load(const char *str)
-{
- Q_ASSERT(strlen(str) == (uint)_l);
- strcpy(data(), str);
- loadByteArrayData();
-}
-
-void QFastMetaBuilder::StringRef::loadByteArrayData()
-{
- if (_b->m_stringCountAllocated < _b->m_stringCount)
- _b->allocateStringData();
- Q_ASSERT(_b->m_stringCountLoaded < _b->m_stringCount);
-
- int offsetofCstrings = _b->m_stringCount * sizeof(QByteArrayData);
- qptrdiff offset = offsetofCstrings + _o - _i * sizeof(QByteArrayData);
-
- const QByteArrayData bad = Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(_l, offset);
- memcpy(&_b->m_stringData[_i], &bad, sizeof(QByteArrayData));
-
- ++_b->m_stringCountLoaded;
-}
-
-QT_END_NAMESPACE
-
-#endif // QFASTMETABUILDER_P_H
-
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