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32<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qhttp.h</h1>
33
34<p>This is the verbatim text of the qhttp.h include file. It is provided only for illustration; the copyright remains with Trolltech.
35<hr>
36<pre>
37/****************************************************************************
38** $Id: qhttp-h.html 2051 2007-02-21 10:04:20Z chehrlic $
39**
40** Definition of QHttp and related classes.
41**
42** Created : 970521
43**
44** Copyright (C) 1997-2007 Trolltech ASA. All rights reserved.
45**
46** This file is part of the network module of the Qt GUI Toolkit.
47**
48** This file may be distributed under the terms of the Q Public License
49** as defined by Trolltech ASA of Norway and appearing in the file
50** LICENSE.QPL included in the packaging of this file.
51**
52** This file may be distributed and/or modified under the terms of the
53** GNU General Public License version 2 as published by the Free Software
54** Foundation and appearing in the file LICENSE.GPL included in the
55** packaging of this file.
56**
57** Licensees holding valid Qt Enterprise Edition licenses may use this
58** file in accordance with the Qt Commercial License Agreement provided
59** with the Software.
60**
61** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
62** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
63**
64** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
65** information about Qt Commercial License Agreements.
66** See http://www.trolltech.com/qpl/ for QPL licensing information.
67** See http://www.trolltech.com/gpl/ for GPL licensing information.
68**
69** Contact info@trolltech.com if any conditions of this licensing are
70** not clear to you.
71**
72**********************************************************************/
73
74#ifndef QHTTP_H
75#define QHTTP_H
76
77#ifndef QT_H
78#include "qobject.h"
79#include "qnetworkprotocol.h"
80#include "qstringlist.h"
81#endif // QT_H
82
83#if !defined( QT_MODULE_NETWORK ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_NETWORK )
84#define QM_EXPORT_HTTP
85#define QM_TEMPLATE_EXTERN_HTTP
86#else
87#define QM_EXPORT_HTTP Q_EXPORT
88#define QM_TEMPLATE_EXTERN_HTTP Q_TEMPLATE_EXTERN
89#endif
90
91#ifndef QT_NO_NETWORKPROTOCOL_HTTP
92
93class QSocket;
94class QTimerEvent;
95class QTextStream;
96class QIODevice;
97
98class QHttpPrivate;
99class QHttpRequest;
100
101class QM_EXPORT_HTTP QHttpHeader
102{
103public:
104 QHttpHeader();
105 QHttpHeader( const QHttpHeader&amp; header );
106 QHttpHeader( const QString&amp; str );
107 virtual ~QHttpHeader();
108
109 QHttpHeader&amp; operator=( const QHttpHeader&amp; h );
110
111 QString value( const QString&amp; key ) const;
112 void setValue( const QString&amp; key, const QString&amp; value );
113 void removeValue( const QString&amp; key );
114
115 QStringList keys() const;
116 bool hasKey( const QString&amp; key ) const;
117
118 bool hasContentLength() const;
119 uint contentLength() const;
120 void setContentLength( int len );
121
122 bool hasContentType() const;
123 QString contentType() const;
124 void setContentType( const QString&amp; type );
125
126 virtual QString toString() const;
127 bool isValid() const;
128
129 virtual int majorVersion() const = 0;
130 virtual int minorVersion() const = 0;
131
132protected:
133 virtual bool parseLine( const QString&amp; line, int number );
134 bool parse( const QString&amp; str );
135 void setValid( bool );
136
137private:
138 QMap&lt;QString,QString&gt; values;
139 bool valid;
140};
141
142class QM_EXPORT_HTTP QHttpResponseHeader : public QHttpHeader
143{
144private:
145 QHttpResponseHeader( int code, const QString&amp; text = QString::null, int majorVer = 1, int minorVer = 1 );
146 QHttpResponseHeader( const QString&amp; str );
147
148 void setStatusLine( int code, const QString&amp; text = QString::null, int majorVer = 1, int minorVer = 1 );
149
150public:
151 QHttpResponseHeader();
152 QHttpResponseHeader( const QHttpResponseHeader&amp; header );
153
154 int statusCode() const;
155 QString reasonPhrase() const;
156
157 int majorVersion() const;
158 int minorVersion() const;
159
160 QString toString() const;
161
162protected:
163 bool parseLine( const QString&amp; line, int number );
164
165private:
166 int statCode;
167 QString reasonPhr;
168 int majVer;
169 int minVer;
170
171 friend class QHttp;
172};
173
174class QM_EXPORT_HTTP QHttpRequestHeader : public QHttpHeader
175{
176public:
177 QHttpRequestHeader();
178 QHttpRequestHeader( const QString&amp; method, const QString&amp; path, int majorVer = 1, int minorVer = 1 );
179 QHttpRequestHeader( const QHttpRequestHeader&amp; header );
180 QHttpRequestHeader( const QString&amp; str );
181
182 void setRequest( const QString&amp; method, const QString&amp; path, int majorVer = 1, int minorVer = 1 );
183
184 QString method() const;
185 QString path() const;
186
187 int majorVersion() const;
188 int minorVersion() const;
189
190 QString toString() const;
191
192protected:
193 bool parseLine( const QString&amp; line, int number );
194
195private:
196 QString m;
197 QString p;
198 int majVer;
199 int minVer;
200};
201
202class QM_EXPORT_HTTP QHttp : public QNetworkProtocol
203{
204 Q_OBJECT
205
206public:
207 QHttp();
208 QHttp( QObject* parent, const char* name = 0 ); // ### Qt 4.0: make parent=0 and get rid of the QHttp() constructor
209 QHttp( const QString &amp;hostname, Q_UINT16 port=80, QObject* parent=0, const char* name = 0 );
210 virtual ~QHttp();
211
212 int supportedOperations() const;
213
214 enum State { Unconnected, HostLookup, Connecting, Sending, Reading, Connected, Closing };
215 enum Error {
216 NoError,
217 UnknownError,
218 HostNotFound,
219 ConnectionRefused,
220 UnexpectedClose,
221 InvalidResponseHeader,
222 WrongContentLength,
223 Aborted
224 };
225
226 int setHost(const QString &amp;hostname, Q_UINT16 port=80 );
227
228 int get( const QString&amp; path, QIODevice* to=0 );
229 int post( const QString&amp; path, QIODevice* data, QIODevice* to=0 );
230 int post( const QString&amp; path, const QByteArray&amp; data, QIODevice* to=0 );
231 int head( const QString&amp; path );
232 int request( const QHttpRequestHeader &amp;header, QIODevice *device=0, QIODevice *to=0 );
233 int request( const QHttpRequestHeader &amp;header, const QByteArray &amp;data, QIODevice *to=0 );
234
235 int closeConnection();
236
237 Q_ULONG bytesAvailable() const;
238 Q_LONG readBlock( char *data, Q_ULONG maxlen );
239 QByteArray readAll();
240
241 int currentId() const;
242 QIODevice* currentSourceDevice() const;
243 QIODevice* currentDestinationDevice() const;
244 QHttpRequestHeader currentRequest() const;
245 bool hasPendingRequests() const;
246 void clearPendingRequests();
247
248 State state() const;
249
250 Error error() const;
251 QString errorString() const;
252
253public slots:
254 void abort();
255
256signals:
257 void stateChanged( int );
258 void responseHeaderReceived( const QHttpResponseHeader&amp; resp );
259 void readyRead( const QHttpResponseHeader&amp; resp );
260 void dataSendProgress( int, int );
261 void dataReadProgress( int, int );
262
263 void requestStarted( int );
264 void requestFinished( int, bool );
265 void done( bool );
266
267protected:
268 void operationGet( QNetworkOperation *op );
269 void operationPut( QNetworkOperation *op );
270
271 void timerEvent( QTimerEvent * );
272
273private slots:
274 void clientReply( const QHttpResponseHeader &amp;rep );
275 void clientDone( bool );
276 void clientStateChanged( int );
277
278 void startNextRequest();
279 void slotReadyRead();
280 void slotConnected();
281 void slotError( int );
282 void slotClosed();
283 void slotBytesWritten( int );
284
285private:
286 QHttpPrivate *d;
287 void *unused; // ### Qt 4.0: remove this (in for binary compatibility)
288 int bytesRead;
289
290 int addRequest( QHttpRequest * );
291 void sendRequest();
292 void finishedWithSuccess();
293 void finishedWithError( const QString&amp; detail, int errorCode );
294
295 void killIdleTimer();
296
297 void init();
298 void setState( int );
299 void close();
300
301 friend class QHttpNormalRequest;
302 friend class QHttpSetHostRequest;
303 friend class QHttpCloseRequest;
304 friend class QHttpPGHRequest;
305};
306
307#define Q_DEFINED_QHTTP
308#include "qwinexport.h"
309#endif
310#endif
311</pre>
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316<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
317<td align=right><div align=right>Qt 3.3.8</div>
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