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qhostaddress.h

/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
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** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.1, which can be found at
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** GPL_EXCEPTION.txt in this package.
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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****************************************************************************/

#ifndef QHOSTADDRESS_H
#define QHOSTADDRESS_H

#include <QtCore/qstring.h>
#include <QtNetwork/qabstractsocket.h>

QT_BEGIN_HEADER

QT_MODULE(Network)

struct sockaddr;
class QHostAddressPrivate;

class Q_NETWORK_EXPORT QIPv6Address
{
public:
    inline quint8 &operator [](int index) { return c[index]; }
    inline quint8 operator [](int index) const { return c[index]; }
    quint8 c[16];
};

typedef QIPv6Address Q_IPV6ADDR;

00067 class Q_NETWORK_EXPORT QHostAddress
{
public:
00070     enum SpecialAddress {
        Null,
        Broadcast,
        LocalHost,
        LocalHostIPv6,
        Any,
        AnyIPv6
    };

    QHostAddress();
    explicit QHostAddress(quint32 ip4Addr);
    explicit QHostAddress(quint8 *ip6Addr);
    explicit QHostAddress(const Q_IPV6ADDR &ip6Addr);
    explicit QHostAddress(const sockaddr *sockaddr);
    explicit QHostAddress(const QString &address);
    QHostAddress(const QHostAddress &copy);
    QHostAddress(SpecialAddress address);
    ~QHostAddress();

    QHostAddress &operator=(const QHostAddress &other);
    QHostAddress &operator=(const QString &address);

    void setAddress(quint32 ip4Addr);
    void setAddress(quint8 *ip6Addr);
    void setAddress(const Q_IPV6ADDR &ip6Addr);
    void setAddress(const sockaddr *sockaddr);
    bool setAddress(const QString &address);

    QAbstractSocket::NetworkLayerProtocol protocol() const;
    quint32 toIPv4Address() const;
    Q_IPV6ADDR toIPv6Address() const;

    QString toString() const;

    QString scopeId() const;
    void setScopeId(const QString &id);

    bool operator ==(const QHostAddress &address) const;
    bool operator ==(SpecialAddress address) const;
00109     inline bool operator !=(const QHostAddress &address) const
    { return !operator==(address); }
00111     inline bool operator !=(SpecialAddress address) const
    { return !operator==(address); }
    bool isNull() const;
    void clear();

#ifdef QT3_SUPPORT
    inline QT3_SUPPORT quint32 ip4Addr() const { return toIPv4Address(); }
    inline QT3_SUPPORT bool isIPv4Address() const { return protocol() == QAbstractSocket::IPv4Protocol
                                                      || protocol() == QAbstractSocket::UnknownNetworkLayerProtocol; }
    inline QT3_SUPPORT bool isIp4Addr() const  { return protocol() == QAbstractSocket::IPv4Protocol
                                                      || protocol() == QAbstractSocket::UnknownNetworkLayerProtocol; }
    inline QT3_SUPPORT bool isIPv6Address() const { return protocol() == QAbstractSocket::IPv6Protocol; }
#endif

private:
    QHostAddressPrivate *d;
};

inline bool operator ==(QHostAddress::SpecialAddress address1, const QHostAddress &address2)
{ return address2 == address1; }

#ifndef QT_NO_DEBUG_STREAM
Q_NETWORK_EXPORT QDebug operator<<(QDebug, const QHostAddress &);
#endif


Q_NETWORK_EXPORT uint qHash(const QHostAddress &key);

#ifndef QT_NO_DATASTREAM
Q_NETWORK_EXPORT QDataStream &operator<<(QDataStream &, const QHostAddress &);
Q_NETWORK_EXPORT QDataStream &operator>>(QDataStream &, QHostAddress &);
#endif

QT_END_HEADER
#endif // QHOSTADDRESS_H

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