[2] | 1 | /****************************************************************************
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| 2 | **
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[651] | 3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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[561] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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[2] | 6 | **
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| 7 | ** This file is part of the QtDBus module of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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[561] | 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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[2] | 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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[561] | 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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[2] | 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #ifndef QDBUSARGUMENT_H
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| 43 | #define QDBUSARGUMENT_H
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| 44 |
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| 45 | #include <QtCore/qbytearray.h>
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| 46 | #include <QtCore/qhash.h>
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| 47 | #include <QtCore/qglobal.h>
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| 48 | #include <QtCore/qlist.h>
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| 49 | #include <QtCore/qmap.h>
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| 50 | #include <QtCore/qstring.h>
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| 51 | #include <QtCore/qstringlist.h>
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| 52 | #include <QtCore/qvariant.h>
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| 53 | #include <QtDBus/qdbusextratypes.h>
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| 54 | #include <QtDBus/qdbusmacros.h>
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| 55 |
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| 56 | QT_BEGIN_HEADER
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| 57 |
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| 58 | QT_BEGIN_NAMESPACE
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| 59 |
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| 60 | QT_MODULE(DBus)
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| 61 |
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| 62 | class QDBusArgumentPrivate;
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| 63 | class QDBusDemarshaller;
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| 64 | class QDBusMarshaller;
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| 65 | class QDBUS_EXPORT QDBusArgument
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| 66 | {
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| 67 | public:
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| 68 | enum ElementType {
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| 69 | BasicType,
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| 70 | VariantType,
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| 71 | ArrayType,
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| 72 | StructureType,
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| 73 | MapType,
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| 74 | MapEntryType,
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| 75 | UnknownType = -1
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| 76 | };
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| 77 |
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| 78 | QDBusArgument();
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| 79 | QDBusArgument(const QDBusArgument &other);
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| 80 | QDBusArgument &operator=(const QDBusArgument &other);
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| 81 | ~QDBusArgument();
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| 82 |
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| 83 | // used for marshalling (Qt -> D-BUS)
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| 84 | QDBusArgument &operator<<(uchar arg);
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| 85 | QDBusArgument &operator<<(bool arg);
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| 86 | QDBusArgument &operator<<(short arg);
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| 87 | QDBusArgument &operator<<(ushort arg);
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| 88 | QDBusArgument &operator<<(int arg);
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| 89 | QDBusArgument &operator<<(uint arg);
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| 90 | QDBusArgument &operator<<(qlonglong arg);
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| 91 | QDBusArgument &operator<<(qulonglong arg);
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| 92 | QDBusArgument &operator<<(double arg);
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| 93 | QDBusArgument &operator<<(const QString &arg);
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| 94 | QDBusArgument &operator<<(const QDBusVariant &arg);
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| 95 | QDBusArgument &operator<<(const QDBusObjectPath &arg);
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| 96 | QDBusArgument &operator<<(const QDBusSignature &arg);
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| 97 | QDBusArgument &operator<<(const QStringList &arg);
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| 98 | QDBusArgument &operator<<(const QByteArray &arg);
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| 99 |
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| 100 | void beginStructure();
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| 101 | void endStructure();
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| 102 | void beginArray(int elementMetaTypeId);
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| 103 | void endArray();
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| 104 | void beginMap(int keyMetaTypeId, int valueMetaTypeId);
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| 105 | void endMap();
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| 106 | void beginMapEntry();
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| 107 | void endMapEntry();
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| 108 |
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| 109 | void appendVariant(const QVariant &v);
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| 110 |
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| 111 | // used for de-marshalling (D-BUS -> Qt)
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| 112 | QString currentSignature() const;
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| 113 | ElementType currentType() const;
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| 114 |
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| 115 | const QDBusArgument &operator>>(uchar &arg) const;
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| 116 | const QDBusArgument &operator>>(bool &arg) const;
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| 117 | const QDBusArgument &operator>>(short &arg) const;
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| 118 | const QDBusArgument &operator>>(ushort &arg) const;
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| 119 | const QDBusArgument &operator>>(int &arg) const;
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| 120 | const QDBusArgument &operator>>(uint &arg) const;
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| 121 | const QDBusArgument &operator>>(qlonglong &arg) const;
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| 122 | const QDBusArgument &operator>>(qulonglong &arg) const;
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| 123 | const QDBusArgument &operator>>(double &arg) const;
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| 124 | const QDBusArgument &operator>>(QString &arg) const;
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| 125 | const QDBusArgument &operator>>(QDBusVariant &arg) const;
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| 126 | const QDBusArgument &operator>>(QDBusObjectPath &arg) const;
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| 127 | const QDBusArgument &operator>>(QDBusSignature &arg) const;
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| 128 | const QDBusArgument &operator>>(QStringList &arg) const;
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| 129 | const QDBusArgument &operator>>(QByteArray &arg) const;
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| 130 |
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| 131 | void beginStructure() const;
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| 132 | void endStructure() const;
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| 133 | void beginArray() const;
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| 134 | void endArray() const;
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| 135 | void beginMap() const;
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| 136 | void endMap() const;
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| 137 | void beginMapEntry() const;
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| 138 | void endMapEntry() const;
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| 139 | bool atEnd() const;
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| 140 |
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| 141 | QVariant asVariant() const;
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| 142 |
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| 143 | protected:
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| 144 | QDBusArgument(QDBusArgumentPrivate *d);
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| 145 | friend class QDBusArgumentPrivate;
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| 146 | mutable QDBusArgumentPrivate *d;
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| 147 | };
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| 148 |
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| 149 | template<typename T> inline T qdbus_cast(const QDBusArgument &arg
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| 150 | #ifndef Q_QDOC
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| 151 | , T * = 0
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| 152 | #endif
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| 153 | )
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| 154 | {
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| 155 | T item;
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| 156 | arg >> item;
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| 157 | return item;
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| 158 | }
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| 159 |
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| 160 | template<typename T> inline T qdbus_cast(const QVariant &v
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| 161 | #ifndef Q_QDOC
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| 162 | , T * = 0
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| 163 | #endif
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| 164 | )
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| 165 | {
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| 166 | int id = v.userType();
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| 167 | if (id == qMetaTypeId<QDBusArgument>())
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| 168 | return qdbus_cast<T>(qvariant_cast<QDBusArgument>(v));
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| 169 | else
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| 170 | return qvariant_cast<T>(v);
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| 171 | }
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| 172 |
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| 173 | // specialise for QVariant, allowing it to be used in place of QDBusVariant
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| 174 | template<> inline QVariant qdbus_cast<QVariant>(const QDBusArgument &arg, QVariant *)
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| 175 | {
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| 176 | QDBusVariant item;
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| 177 | arg >> item;
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| 178 | return item.variant();
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| 179 | }
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| 180 | template<> inline QVariant qdbus_cast<QVariant>(const QVariant &v, QVariant *)
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| 181 | {
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| 182 | return qdbus_cast<QDBusVariant>(v).variant();
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| 183 | }
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| 184 |
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| 185 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QVariant &v);
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| 186 |
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| 187 | // QVariant types
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| 188 | #ifndef QDBUS_NO_SPECIALTYPES
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| 189 |
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| 190 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QDate &date);
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| 191 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QDate &date);
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| 192 |
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| 193 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QTime &time);
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| 194 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QTime &time);
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| 195 |
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| 196 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QDateTime &dt);
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| 197 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QDateTime &dt);
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| 198 |
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| 199 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QRect &rect);
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| 200 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QRect &rect);
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| 201 |
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| 202 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QRectF &rect);
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| 203 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QRectF &rect);
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| 204 |
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| 205 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QSize &size);
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| 206 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QSize &size);
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| 207 |
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| 208 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QSizeF &size);
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| 209 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QSizeF &size);
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| 210 |
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| 211 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QPoint &pt);
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| 212 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QPoint &pt);
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| 213 |
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| 214 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QPointF &pt);
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| 215 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QPointF &pt);
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| 216 |
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| 217 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QLine &line);
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| 218 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QLine &line);
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| 219 |
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| 220 | QDBUS_EXPORT const QDBusArgument &operator>>(const QDBusArgument &a, QLineF &line);
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| 221 | QDBUS_EXPORT QDBusArgument &operator<<(QDBusArgument &a, const QLineF &line);
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| 222 | #endif
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| 223 |
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| 224 | template<template <typename> class Container, typename T>
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| 225 | inline QDBusArgument &operator<<(QDBusArgument &arg, const Container<T> &list)
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| 226 | {
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| 227 | int id = qMetaTypeId<T>();
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| 228 | arg.beginArray(id);
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| 229 | typename Container<T>::const_iterator it = list.begin();
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| 230 | typename Container<T>::const_iterator end = list.end();
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| 231 | for ( ; it != end; ++it)
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| 232 | arg << *it;
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| 233 | arg.endArray();
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| 234 | return arg;
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| 235 | }
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| 236 |
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| 237 | template<template <typename> class Container, typename T>
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| 238 | inline const QDBusArgument &operator>>(const QDBusArgument &arg, Container<T> &list)
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| 239 | {
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| 240 | arg.beginArray();
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| 241 | list.clear();
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| 242 | while (!arg.atEnd()) {
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| 243 | T item;
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| 244 | arg >> item;
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| 245 | list.push_back(item);
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| 246 | }
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| 247 |
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| 248 | arg.endArray();
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| 249 | return arg;
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| 250 | }
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| 251 |
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| 252 | // QList specializations
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| 253 | template<typename T>
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| 254 | inline QDBusArgument &operator<<(QDBusArgument &arg, const QList<T> &list)
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| 255 | {
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| 256 | int id = qMetaTypeId<T>();
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| 257 | arg.beginArray(id);
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| 258 | typename QList<T>::ConstIterator it = list.constBegin();
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| 259 | typename QList<T>::ConstIterator end = list.constEnd();
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| 260 | for ( ; it != end; ++it)
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| 261 | arg << *it;
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| 262 | arg.endArray();
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| 263 | return arg;
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| 264 | }
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| 265 |
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| 266 | template<typename T>
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| 267 | inline const QDBusArgument &operator>>(const QDBusArgument &arg, QList<T> &list)
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| 268 | {
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| 269 | arg.beginArray();
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| 270 | list.clear();
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| 271 | while (!arg.atEnd()) {
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| 272 | T item;
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| 273 | arg >> item;
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| 274 | list.push_back(item);
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| 275 | }
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| 276 | arg.endArray();
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| 277 |
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| 278 | return arg;
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| 279 | }
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| 280 |
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| 281 | inline QDBusArgument &operator<<(QDBusArgument &arg, const QVariantList &list)
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| 282 | {
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| 283 | int id = qMetaTypeId<QDBusVariant>();
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| 284 | arg.beginArray(id);
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| 285 | QVariantList::ConstIterator it = list.constBegin();
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| 286 | QVariantList::ConstIterator end = list.constEnd();
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| 287 | for ( ; it != end; ++it)
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| 288 | arg << QDBusVariant(*it);
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| 289 | arg.endArray();
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| 290 | return arg;
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| 291 | }
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| 292 |
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| 293 | // QMap specializations
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| 294 | template<typename Key, typename T>
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| 295 | inline QDBusArgument &operator<<(QDBusArgument &arg, const QMap<Key, T> &map)
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| 296 | {
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| 297 | int kid = qMetaTypeId<Key>();
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| 298 | int vid = qMetaTypeId<T>();
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| 299 | arg.beginMap(kid, vid);
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| 300 | typename QMap<Key, T>::ConstIterator it = map.constBegin();
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| 301 | typename QMap<Key, T>::ConstIterator end = map.constEnd();
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| 302 | for ( ; it != end; ++it) {
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| 303 | arg.beginMapEntry();
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| 304 | arg << it.key() << it.value();
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| 305 | arg.endMapEntry();
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| 306 | }
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| 307 | arg.endMap();
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| 308 | return arg;
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| 309 | }
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| 310 |
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| 311 | template<typename Key, typename T>
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| 312 | inline const QDBusArgument &operator>>(const QDBusArgument &arg, QMap<Key, T> &map)
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| 313 | {
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| 314 | arg.beginMap();
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| 315 | map.clear();
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| 316 | while (!arg.atEnd()) {
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| 317 | Key key;
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| 318 | T value;
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| 319 | arg.beginMapEntry();
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| 320 | arg >> key >> value;
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| 321 | map.insertMulti(key, value);
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| 322 | arg.endMapEntry();
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| 323 | }
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| 324 | arg.endMap();
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| 325 | return arg;
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| 326 | }
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| 327 |
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| 328 | inline QDBusArgument &operator<<(QDBusArgument &arg, const QVariantMap &map)
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| 329 | {
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| 330 | arg.beginMap(QVariant::String, qMetaTypeId<QDBusVariant>());
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| 331 | QVariantMap::ConstIterator it = map.constBegin();
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| 332 | QVariantMap::ConstIterator end = map.constEnd();
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| 333 | for ( ; it != end; ++it) {
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| 334 | arg.beginMapEntry();
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| 335 | arg << it.key() << QDBusVariant(it.value());
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| 336 | arg.endMapEntry();
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| 337 | }
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| 338 | arg.endMap();
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| 339 | return arg;
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| 340 | }
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| 341 |
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| 342 | // QHash specializations
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| 343 | template<typename Key, typename T>
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| 344 | inline QDBusArgument &operator<<(QDBusArgument &arg, const QHash<Key, T> &map)
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| 345 | {
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| 346 | int kid = qMetaTypeId<Key>();
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| 347 | int vid = qMetaTypeId<T>();
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| 348 | arg.beginMap(kid, vid);
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| 349 | typename QHash<Key, T>::ConstIterator it = map.constBegin();
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| 350 | typename QHash<Key, T>::ConstIterator end = map.constEnd();
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| 351 | for ( ; it != end; ++it) {
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| 352 | arg.beginMapEntry();
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| 353 | arg << it.key() << it.value();
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| 354 | arg.endMapEntry();
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| 355 | }
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| 356 | arg.endMap();
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| 357 | return arg;
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| 358 | }
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| 359 |
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| 360 | template<typename Key, typename T>
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| 361 | inline const QDBusArgument &operator>>(const QDBusArgument &arg, QHash<Key, T> &map)
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| 362 | {
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| 363 | arg.beginMap();
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| 364 | map.clear();
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| 365 | while (!arg.atEnd()) {
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| 366 | Key key;
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| 367 | T value;
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| 368 | arg.beginMapEntry();
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| 369 | arg >> key >> value;
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| 370 | map.insertMulti(key, value);
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| 371 | arg.endMapEntry();
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| 372 | }
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| 373 | arg.endMap();
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| 374 | return arg;
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| 375 | }
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| 376 |
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| 377 | QT_END_NAMESPACE
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| 378 |
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| 379 | Q_DECLARE_METATYPE(QDBusArgument)
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| 380 |
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| 381 | QT_END_HEADER
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| 382 |
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| 383 | #endif
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