273 lines
9.3 KiB
C
273 lines
9.3 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QMETAOBJECT_P_H
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#define QMETAOBJECT_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of moc. This header file may change from version to version without notice,
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// or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/qglobal.h>
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#include <QtCore/qobjectdefs.h>
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#ifndef QT_NO_QOBJECT
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#include <private/qobject_p.h> // For QObjectPrivate::Connection
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#endif
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#include <QtCore/qvarlengtharray.h>
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QT_BEGIN_NAMESPACE
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enum PropertyFlags {
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Invalid = 0x00000000,
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Readable = 0x00000001,
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Writable = 0x00000002,
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Resettable = 0x00000004,
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EnumOrFlag = 0x00000008,
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StdCppSet = 0x00000100,
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// Override = 0x00000200,
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Constant = 0x00000400,
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Final = 0x00000800,
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Designable = 0x00001000,
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ResolveDesignable = 0x00002000,
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Scriptable = 0x00004000,
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ResolveScriptable = 0x00008000,
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Stored = 0x00010000,
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ResolveStored = 0x00020000,
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Editable = 0x00040000,
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ResolveEditable = 0x00080000,
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User = 0x00100000,
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ResolveUser = 0x00200000,
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Notify = 0x00400000,
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Revisioned = 0x00800000
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};
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enum MethodFlags {
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AccessPrivate = 0x00,
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AccessProtected = 0x01,
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AccessPublic = 0x02,
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AccessMask = 0x03, //mask
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MethodMethod = 0x00,
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MethodSignal = 0x04,
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MethodSlot = 0x08,
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MethodConstructor = 0x0c,
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MethodTypeMask = 0x0c,
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MethodCompatibility = 0x10,
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MethodCloned = 0x20,
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MethodScriptable = 0x40,
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MethodRevisioned = 0x80
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};
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enum MetaObjectFlags {
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DynamicMetaObject = 0x01,
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RequiresVariantMetaObject = 0x02
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};
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enum MetaDataFlags {
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IsUnresolvedType = 0x80000000,
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TypeNameIndexMask = 0x7FFFFFFF
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};
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extern int qMetaTypeTypeInternal(const char *);
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class QArgumentType
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{
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public:
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QArgumentType(int type)
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: _type(type)
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{}
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QArgumentType(const QByteArray &name)
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: _type(qMetaTypeTypeInternal(name.constData())), _name(name)
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{}
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QArgumentType()
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: _type(0)
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{}
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int type() const
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{
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return _type;
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}
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QByteArray name() const
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{
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if (_type && _name.isEmpty())
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const_cast<QArgumentType *>(this)->_name = QMetaType::typeName(_type);
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return _name;
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}
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bool operator==(const QArgumentType &other) const
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{
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if (_type)
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return _type == other._type;
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else if (other._type)
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return false;
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else
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return _name == other._name;
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}
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bool operator!=(const QArgumentType &other) const
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{
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if (_type)
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return _type != other._type;
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else if (other._type)
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return true;
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else
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return _name != other._name;
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}
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private:
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int _type;
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QByteArray _name;
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};
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typedef QVarLengthArray<QArgumentType, 10> QArgumentTypeArray;
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class QMetaMethodPrivate;
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class QMutex;
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struct QMetaObjectPrivate {
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enum { OutputRevision = 7 }; // Used by moc, qmetaobjectbuilder and qdbus
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int revision;
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int className;
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int classInfoCount, classInfoData;
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int methodCount, methodData;
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int propertyCount, propertyData;
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int enumeratorCount, enumeratorData;
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int constructorCount, constructorData; //since revision 2
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int flags; //since revision 3
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int signalCount; //since revision 4
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// revision 5 introduces changes in normalized signatures, no new members
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// revision 6 added qt_static_metacall as a member of each Q_OBJECT and inside QMetaObject itself
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// revision 7 is Qt 5
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static inline const QMetaObjectPrivate *get(const QMetaObject *metaobject)
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{
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return reinterpret_cast<const QMetaObjectPrivate *>(metaobject->d.data);
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}
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static int originalClone(const QMetaObject *obj, int local_method_index);
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static QByteArray decodeMethodSignature(const char *signature,
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QArgumentTypeArray &types);
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static int indexOfSignalRelative(const QMetaObject **baseObject,
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const QByteArray &name, int argc,
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const QArgumentType *types);
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static int indexOfSlotRelative(const QMetaObject **m,
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const QByteArray &name, int argc,
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const QArgumentType *types);
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static int indexOfSignal(const QMetaObject *m, const QByteArray &name,
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int argc, const QArgumentType *types);
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static int indexOfSlot(const QMetaObject *m, const QByteArray &name,
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int argc, const QArgumentType *types);
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static int indexOfMethod(const QMetaObject *m, const QByteArray &name,
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int argc, const QArgumentType *types);
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static int indexOfConstructor(const QMetaObject *m, const QByteArray &name,
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int argc, const QArgumentType *types);
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Q_CORE_EXPORT static QMetaMethod signal(const QMetaObject *m, int signal_index);
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Q_CORE_EXPORT static int signalOffset(const QMetaObject *m);
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Q_CORE_EXPORT static int absoluteSignalCount(const QMetaObject *m);
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Q_CORE_EXPORT static int signalIndex(const QMetaMethod &m);
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static bool checkConnectArgs(int signalArgc, const QArgumentType *signalTypes,
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int methodArgc, const QArgumentType *methodTypes);
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static bool checkConnectArgs(const QMetaMethodPrivate *signal,
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const QMetaMethodPrivate *method);
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static QList<QByteArray> parameterTypeNamesFromSignature(const char *signature);
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#ifndef QT_NO_QOBJECT
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//defined in qobject.cpp
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enum DisconnectType { DisconnectAll, DisconnectOne };
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static void memberIndexes(const QObject *obj, const QMetaMethod &member,
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int *signalIndex, int *methodIndex);
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static QObjectPrivate::Connection *connect(const QObject *sender, int signal_index,
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const QMetaObject *smeta,
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const QObject *receiver, int method_index_relative,
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const QMetaObject *rmeta = 0,
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int type = 0, int *types = 0);
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static bool disconnect(const QObject *sender, int signal_index,
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const QMetaObject *smeta,
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const QObject *receiver, int method_index, void **slot,
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DisconnectType = DisconnectAll);
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static inline bool disconnectHelper(QObjectPrivate::Connection *c,
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const QObject *receiver, int method_index, void **slot,
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QMutex *senderMutex, DisconnectType = DisconnectAll);
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#endif
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};
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// For meta-object generators
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enum { MetaObjectPrivateFieldCount = sizeof(QMetaObjectPrivate) / sizeof(int) };
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#ifndef UTILS_H
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// mirrored in moc's utils.h
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static inline bool is_ident_char(char s)
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{
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return ((s >= 'a' && s <= 'z')
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|| (s >= 'A' && s <= 'Z')
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|| (s >= '0' && s <= '9')
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|| s == '_'
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);
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}
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static inline bool is_space(char s)
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{
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return (s == ' ' || s == '\t');
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}
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#endif
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/*
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This function is shared with moc.cpp. The implementation lives in qmetaobject_moc_p.h, which
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should be included where needed. The declaration here is not used to avoid warnings from
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the compiler about unused functions.
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static QByteArray normalizeTypeInternal(const char *t, const char *e, bool fixScope = false, bool adjustConst = true);
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*/
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QT_END_NAMESPACE
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#endif
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