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diff --git a/src/network/access/qhttp.h b/src/network/access/qhttp.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QHTTP_H
+#define QHTTP_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qstringlist.h>
+#include <QtCore/qmap.h>
+#include <QtCore/qpair.h>
+#include <QtCore/qscopedpointer.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Network)
+
+#ifndef QT_NO_HTTP
+
+class QTcpSocket;
+class QTimerEvent;
+class QIODevice;
+class QAuthenticator;
+class QNetworkProxy;
+class QSslError;
+
+class QHttpPrivate;
+
+class QHttpHeaderPrivate;
+class Q_NETWORK_EXPORT QHttpHeader
+{
+public:
+    QHttpHeader();
+    QHttpHeader(const QHttpHeader &header);
+    QHttpHeader(const QString &str);
+    virtual ~QHttpHeader();
+
+    QHttpHeader &operator=(const QHttpHeader &h);
+
+    void setValue(const QString &key, const QString &value);
+    void setValues(const QList<QPair<QString, QString> > &values);
+    void addValue(const QString &key, const QString &value);
+    QList<QPair<QString, QString> > values() const;
+    bool hasKey(const QString &key) const;
+    QStringList keys() const;
+    QString value(const QString &key) const;
+    QStringList allValues(const QString &key) const;
+    void removeValue(const QString &key);
+    void removeAllValues(const QString &key);
+
+    // ### Qt 5: change to qint64
+    bool hasContentLength() const;
+    uint contentLength() const;
+    void setContentLength(int len);
+
+    bool hasContentType() const;
+    QString contentType() const;
+    void setContentType(const QString &type);
+
+    virtual QString toString() const;
+    bool isValid() const;
+
+    virtual int majorVersion() const = 0;
+    virtual int minorVersion() const = 0;
+
+protected:
+    virtual bool parseLine(const QString &line, int number);
+    bool parse(const QString &str);
+    void setValid(bool);
+
+    QHttpHeader(QHttpHeaderPrivate &dd, const QString &str = QString());
+    QHttpHeader(QHttpHeaderPrivate &dd, const QHttpHeader &header);
+    QScopedPointer<QHttpHeaderPrivate> d_ptr;
+
+private:
+    Q_DECLARE_PRIVATE(QHttpHeader)
+};
+
+class QHttpResponseHeaderPrivate;
+class Q_NETWORK_EXPORT QHttpResponseHeader : public QHttpHeader
+{
+public:
+    QHttpResponseHeader();
+    QHttpResponseHeader(const QHttpResponseHeader &header);
+    QHttpResponseHeader(const QString &str);
+    QHttpResponseHeader(int code, const QString &text = QString(), int majorVer = 1, int minorVer = 1);
+    QHttpResponseHeader &operator=(const QHttpResponseHeader &header);
+
+    void setStatusLine(int code, const QString &text = QString(), int majorVer = 1, int minorVer = 1);
+
+    int statusCode() const;
+    QString reasonPhrase() const;
+
+    int majorVersion() const;
+    int minorVersion() const;
+
+    QString toString() const;
+
+protected:
+    bool parseLine(const QString &line, int number);
+
+private:
+    Q_DECLARE_PRIVATE(QHttpResponseHeader)
+    friend class QHttpPrivate;
+};
+
+class QHttpRequestHeaderPrivate;
+class Q_NETWORK_EXPORT QHttpRequestHeader : public QHttpHeader
+{
+public:
+    QHttpRequestHeader();
+    QHttpRequestHeader(const QString &method, const QString &path, int majorVer = 1, int minorVer = 1);
+    QHttpRequestHeader(const QHttpRequestHeader &header);
+    QHttpRequestHeader(const QString &str);
+    QHttpRequestHeader &operator=(const QHttpRequestHeader &header);
+
+    void setRequest(const QString &method, const QString &path, int majorVer = 1, int minorVer = 1);
+
+    QString method() const;
+    QString path() const;
+
+    int majorVersion() const;
+    int minorVersion() const;
+
+    QString toString() const;
+
+protected:
+    bool parseLine(const QString &line, int number);
+
+private:
+    Q_DECLARE_PRIVATE(QHttpRequestHeader)
+};
+
+class Q_NETWORK_EXPORT QHttp : public QObject
+{
+    Q_OBJECT
+
+public:
+    enum ConnectionMode {
+        ConnectionModeHttp,
+        ConnectionModeHttps
+    };
+
+    explicit QHttp(QObject *parent = 0);
+    QHttp(const QString &hostname, quint16 port = 80, QObject *parent = 0);
+    QHttp(const QString &hostname, ConnectionMode mode, quint16 port = 0, QObject *parent = 0);
+    virtual ~QHttp();
+
+    enum State {
+        Unconnected,
+        HostLookup,
+        Connecting,
+        Sending,
+        Reading,
+        Connected,
+        Closing
+    };
+    enum Error {
+        NoError,
+        UnknownError,
+        HostNotFound,
+        ConnectionRefused,
+        UnexpectedClose,
+        InvalidResponseHeader,
+        WrongContentLength,
+        Aborted,
+        AuthenticationRequiredError,
+        ProxyAuthenticationRequiredError
+    };
+
+    int setHost(const QString &hostname, quint16 port = 80);
+    int setHost(const QString &hostname, ConnectionMode mode, quint16 port = 0);
+
+    int setSocket(QTcpSocket *socket);
+    int setUser(const QString &username, const QString &password = QString());
+
+#ifndef QT_NO_NETWORKPROXY
+    int setProxy(const QString &host, int port,
+                 const QString &username = QString(),
+                 const QString &password = QString());
+    int setProxy(const QNetworkProxy &proxy);
+#endif
+
+    int get(const QString &path, QIODevice *to=0);
+    int post(const QString &path, QIODevice *data, QIODevice *to=0 );
+    int post(const QString &path, const QByteArray &data, QIODevice *to=0);
+    int head(const QString &path);
+    int request(const QHttpRequestHeader &header, QIODevice *device=0, QIODevice *to=0);
+    int request(const QHttpRequestHeader &header, const QByteArray &data, QIODevice *to=0);
+
+    int closeConnection();
+    int close();
+
+    qint64 bytesAvailable() const;
+    qint64 read(char *data, qint64 maxlen);
+#ifdef QT3_SUPPORT
+    inline QT3_SUPPORT qint64 readBlock(char *data, quint64 maxlen)
+    { return read(data, qint64(maxlen)); }
+#endif
+    QByteArray readAll();
+
+    int currentId() const;
+    QIODevice *currentSourceDevice() const;
+    QIODevice *currentDestinationDevice() const;
+    QHttpRequestHeader currentRequest() const;
+    QHttpResponseHeader lastResponse() const;
+    bool hasPendingRequests() const;
+    void clearPendingRequests();
+
+    State state() const;
+
+    Error error() const;
+    QString errorString() const;
+
+public Q_SLOTS:
+    void abort();
+
+#ifndef QT_NO_OPENSSL
+    void ignoreSslErrors();
+#endif
+
+Q_SIGNALS:
+    void stateChanged(int);
+    void responseHeaderReceived(const QHttpResponseHeader &resp);
+    void readyRead(const QHttpResponseHeader &resp);
+
+    // ### Qt 5: change to qint64
+    void dataSendProgress(int, int);
+    void dataReadProgress(int, int);
+
+    void requestStarted(int);
+    void requestFinished(int, bool);
+    void done(bool);
+
+#ifndef QT_NO_NETWORKPROXY
+    void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *);
+#endif
+    void authenticationRequired(const QString &hostname, quint16 port, QAuthenticator *);
+
+#ifndef QT_NO_OPENSSL
+    void sslErrors(const QList<QSslError> &errors);
+#endif
+
+private:
+    Q_DISABLE_COPY(QHttp)
+    Q_DECLARE_PRIVATE(QHttp)
+
+    Q_PRIVATE_SLOT(d_func(), void _q_startNextRequest())
+    Q_PRIVATE_SLOT(d_func(), void _q_slotReadyRead())
+    Q_PRIVATE_SLOT(d_func(), void _q_slotConnected())
+    Q_PRIVATE_SLOT(d_func(), void _q_slotError(QAbstractSocket::SocketError))
+    Q_PRIVATE_SLOT(d_func(), void _q_slotClosed())
+    Q_PRIVATE_SLOT(d_func(), void _q_slotBytesWritten(qint64 numBytes))
+#ifndef QT_NO_OPENSSL
+    Q_PRIVATE_SLOT(d_func(), void _q_slotEncryptedBytesWritten(qint64 numBytes))
+#endif
+    Q_PRIVATE_SLOT(d_func(), void _q_slotDoFinished())
+    Q_PRIVATE_SLOT(d_func(), void _q_slotSendRequest())
+    Q_PRIVATE_SLOT(d_func(), void _q_continuePost())
+
+    friend class QHttpNormalRequest;
+    friend class QHttpSetHostRequest;
+    friend class QHttpSetSocketRequest;
+    friend class QHttpSetUserRequest;
+    friend class QHttpSetProxyRequest;
+    friend class QHttpCloseRequest;
+    friend class QHttpPGHRequest;
+};
+
+#endif // QT_NO_HTTP
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QHTTP_H