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Solid

predicate.h

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00001 /*  This file is part of the KDE project
00002     Copyright (C) 2006 Kevin Ottens <ervin@kde.org>
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License version 2 as published by the Free Software Foundation.
00007 
00008     This library is distributed in the hope that it will be useful,
00009     but WITHOUT ANY WARRANTY; without even the implied warranty of
00010     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011     Library General Public License for more details.
00012 
00013     You should have received a copy of the GNU Library General Public License
00014     along with this library; see the file COPYING.LIB.  If not, write to
00015     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016     Boston, MA 02110-1301, USA.
00017 
00018 */
00019 
00020 #ifndef SOLID_PREDICATE_H
00021 #define SOLID_PREDICATE_H
00022 
00023 #include <QtCore/QVariant>
00024 #include <QtCore/QSet>
00025 
00026 #include <solid/solid_export.h>
00027 
00028 #include <solid/deviceinterface.h>
00029 
00030 namespace Solid
00031 {
00032     class Device;
00033 
00044     class SOLID_EXPORT Predicate
00045     {
00046     public:
00053         enum ComparisonOperator { Equals, Mask };
00054 
00058         Predicate();
00059 
00065         Predicate(const Predicate &other);
00066 
00076         Predicate(const DeviceInterface::Type &ifaceType,
00077                    const QString &property, const QVariant &value,
00078                    ComparisonOperator compOperator = Equals);
00079 
00089         Predicate(const QString &ifaceName,
00090                    const QString &property, const QVariant &value,
00091                    ComparisonOperator compOperator = Equals);
00092 
00098         explicit Predicate(const DeviceInterface::Type &ifaceType);
00099 
00105         explicit Predicate(const QString &ifaceName);
00106 
00110         ~Predicate();
00111 
00112 
00119         Predicate &operator=(const Predicate &other);
00120 
00121 
00128         Predicate operator &(const Predicate &other);
00129 
00136         Predicate &operator &=(const Predicate &other);
00137 
00144         Predicate operator|(const Predicate &other);
00145 
00152         Predicate &operator|=(const Predicate &other);
00153 
00161         bool isValid() const;
00162 
00169         bool matches(const Device &device) const;
00170 
00176         QSet<DeviceInterface::Type> usedTypes() const;
00177 
00183         QString toString() const;
00184 
00192         static Predicate fromString(const QString &predicate);
00193 
00194     private:
00195         class Private;
00196         Private * const d;
00197     };
00198 }
00199 
00200 #endif

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