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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qhttp.h 3.3.8 edited Jan 11 14:46 $ +** +** Definition of QHttp and related classes. +** +** Created : 970521 +** +** Copyright (C) 1997-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the network module of the Qt GUI Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License versions 2.0 or 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL 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. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.QPL +** included in the packaging of this file. Licensees holding valid Qt +** Commercial licenses may use this file in accordance with the Qt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef QHTTP_H +#define QHTTP_H + +#ifndef QT_H +#include "qobject.h" +#include "qnetworkprotocol.h" +#include "qstringlist.h" +#endif // QT_H + +#if !defined( QT_MODULE_NETWORK ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_NETWORK ) +#define QM_EXPORT_HTTP +#define QM_TEMPLATE_EXTERN_HTTP +#else +#define QM_EXPORT_HTTP Q_EXPORT +#define QM_TEMPLATE_EXTERN_HTTP Q_TEMPLATE_EXTERN +#endif + +#ifndef QT_NO_NETWORKPROTOCOL_HTTP + +class QSocket; +class QTimerEvent; +class QTextStream; +class QIODevice; + +class QHttpPrivate; +class QHttpRequest; + +class QM_EXPORT_HTTP QHttpHeader +{ +public: + QHttpHeader(); + QHttpHeader( const QHttpHeader& header ); + QHttpHeader( const QString& str ); + virtual ~QHttpHeader(); + + QHttpHeader& operator=( const QHttpHeader& h ); + + QString value( const QString& key ) const; + void setValue( const QString& key, const QString& value ); + void removeValue( const QString& key ); + + QStringList keys() const; + bool hasKey( const QString& key ) const; + + 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 ); + +private: + QMap<QString,QString> values; + bool valid; +}; + +class QM_EXPORT_HTTP QHttpResponseHeader : public QHttpHeader +{ +private: + QHttpResponseHeader( int code, const QString& text = QString::null, int majorVer = 1, int minorVer = 1 ); + QHttpResponseHeader( const QString& str ); + + void setStatusLine( int code, const QString& text = QString::null, int majorVer = 1, int minorVer = 1 ); + +public: + QHttpResponseHeader(); + QHttpResponseHeader( const QHttpResponseHeader& header ); + + int statusCode() const; + QString reasonPhrase() const; + + int majorVersion() const; + int minorVersion() const; + + QString toString() const; + +protected: + bool parseLine( const QString& line, int number ); + +private: + int statCode; + QString reasonPhr; + int majVer; + int minVer; + + friend class QHttp; +}; + +class QM_EXPORT_HTTP 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 ); + + 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: + QString m; + QString p; + int majVer; + int minVer; +}; + +class QM_EXPORT_HTTP QHttp : public QNetworkProtocol +{ + Q_OBJECT + +public: + QHttp(); + QHttp( QObject* parent, const char* name = 0 ); // ### Qt 4.0: make parent=0 and get rid of the QHttp() constructor + QHttp( const QString &hostname, Q_UINT16 port=80, QObject* parent=0, const char* name = 0 ); + virtual ~QHttp(); + + int supportedOperations() const; + + enum State { Unconnected, HostLookup, Connecting, Sending, Reading, Connected, Closing }; + enum Error { + NoError, + UnknownError, + HostNotFound, + ConnectionRefused, + UnexpectedClose, + InvalidResponseHeader, + WrongContentLength, + Aborted + }; + + int setHost(const QString &hostname, Q_UINT16 port=80 ); + + 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(); + + Q_ULONG bytesAvailable() const; + Q_LONG readBlock( char *data, Q_ULONG maxlen ); + QByteArray readAll(); + + int currentId() const; + QIODevice* currentSourceDevice() const; + QIODevice* currentDestinationDevice() const; + QHttpRequestHeader currentRequest() const; + bool hasPendingRequests() const; + void clearPendingRequests(); + + State state() const; + + Error error() const; + QString errorString() const; + +public slots: + void abort(); + +signals: + void stateChanged( int ); + void responseHeaderReceived( const QHttpResponseHeader& resp ); + void readyRead( const QHttpResponseHeader& resp ); + void dataSendProgress( int, int ); + void dataReadProgress( int, int ); + + void requestStarted( int ); + void requestFinished( int, bool ); + void done( bool ); + +protected: + void operationGet( QNetworkOperation *op ); + void operationPut( QNetworkOperation *op ); + + void timerEvent( QTimerEvent * ); + +private slots: + void clientReply( const QHttpResponseHeader &rep ); + void clientDone( bool ); + void clientStateChanged( int ); + + void startNextRequest(); + void slotReadyRead(); + void slotConnected(); + void slotError( int ); + void slotClosed(); + void slotBytesWritten( int ); + +private: + QHttpPrivate *d; + void *unused; // ### Qt 4.0: remove this (in for binary compatibility) + int bytesRead; + + int addRequest( QHttpRequest * ); + void sendRequest(); + void finishedWithSuccess(); + void finishedWithError( const QString& detail, int errorCode ); + + void killIdleTimer(); + + void init(); + void setState( int ); + void close(); + + friend class QHttpNormalRequest; + friend class QHttpSetHostRequest; + friend class QHttpCloseRequest; + friend class QHttpPGHRequest; +}; + +#define Q_DEFINED_QHTTP +#include "qwinexport.h" +#endif +#endif +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |