source: trunk/src/dbus/qdbusdemarshaller.cpp@ 331

Last change on this file since 331 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 9.0 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information (qt-info@nokia.com)
5**
6** This file is part of the QtDBus module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at qt-sales@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "qdbusargument_p.h"
43#include <stdlib.h>
44
45QT_BEGIN_NAMESPACE
46
47template <typename T>
48static inline T qIterGet(DBusMessageIter *it)
49{
50 T t;
51 q_dbus_message_iter_get_basic(it, &t);
52 q_dbus_message_iter_next(it);
53 return t;
54}
55
56QDBusDemarshaller::~QDBusDemarshaller()
57{
58}
59
60inline QString QDBusDemarshaller::currentSignature()
61{
62 char *sig = q_dbus_message_iter_get_signature(&iterator);
63 QString retval = QString::fromUtf8(sig);
64 q_dbus_free(sig);
65
66 return retval;
67}
68
69inline uchar QDBusDemarshaller::toByte()
70{
71 return qIterGet<uchar>(&iterator);
72}
73
74inline bool QDBusDemarshaller::toBool()
75{
76 return bool(qIterGet<dbus_bool_t>(&iterator));
77}
78
79inline ushort QDBusDemarshaller::toUShort()
80{
81 return qIterGet<dbus_uint16_t>(&iterator);
82}
83
84inline short QDBusDemarshaller::toShort()
85{
86 return qIterGet<dbus_int16_t>(&iterator);
87}
88
89inline int QDBusDemarshaller::toInt()
90{
91 return qIterGet<dbus_int32_t>(&iterator);
92}
93
94inline uint QDBusDemarshaller::toUInt()
95{
96 return qIterGet<dbus_uint32_t>(&iterator);
97}
98
99inline qlonglong QDBusDemarshaller::toLongLong()
100{
101 return qIterGet<qlonglong>(&iterator);
102}
103
104inline qulonglong QDBusDemarshaller::toULongLong()
105{
106 return qIterGet<qulonglong>(&iterator);
107}
108
109inline double QDBusDemarshaller::toDouble()
110{
111 return qIterGet<double>(&iterator);
112}
113
114inline QString QDBusDemarshaller::toString()
115{
116 return QString::fromUtf8(qIterGet<char *>(&iterator));
117}
118
119inline QDBusObjectPath QDBusDemarshaller::toObjectPath()
120{
121 return QDBusObjectPath(QString::fromUtf8(qIterGet<char *>(&iterator)));
122}
123
124inline QDBusSignature QDBusDemarshaller::toSignature()
125{
126 return QDBusSignature(QString::fromUtf8(qIterGet<char *>(&iterator)));
127}
128
129inline QDBusVariant QDBusDemarshaller::toVariant()
130{
131 QDBusDemarshaller sub;
132 sub.message = q_dbus_message_ref(message);
133 q_dbus_message_iter_recurse(&iterator, &sub.iterator);
134 q_dbus_message_iter_next(&iterator);
135
136 return QDBusVariant( sub.toVariantInternal() );
137}
138
139QDBusArgument::ElementType QDBusDemarshaller::currentType()
140{
141 switch (q_dbus_message_iter_get_arg_type(&iterator)) {
142 case DBUS_TYPE_BYTE:
143 case DBUS_TYPE_INT16:
144 case DBUS_TYPE_UINT16:
145 case DBUS_TYPE_INT32:
146 case DBUS_TYPE_UINT32:
147 case DBUS_TYPE_INT64:
148 case DBUS_TYPE_UINT64:
149 case DBUS_TYPE_BOOLEAN:
150 case DBUS_TYPE_DOUBLE:
151 case DBUS_TYPE_STRING:
152 case DBUS_TYPE_OBJECT_PATH:
153 case DBUS_TYPE_SIGNATURE:
154 return QDBusArgument::BasicType;
155
156 case DBUS_TYPE_VARIANT:
157 return QDBusArgument::VariantType;
158
159 case DBUS_TYPE_ARRAY:
160 switch (q_dbus_message_iter_get_element_type(&iterator)) {
161 case DBUS_TYPE_BYTE:
162 case DBUS_TYPE_STRING:
163 // QByteArray and QStringList
164 return QDBusArgument::BasicType;
165 case DBUS_TYPE_DICT_ENTRY:
166 return QDBusArgument::MapType;
167 default:
168 return QDBusArgument::ArrayType;
169 }
170
171 case DBUS_TYPE_STRUCT:
172 return QDBusArgument::StructureType;
173 case DBUS_TYPE_DICT_ENTRY:
174 return QDBusArgument::MapEntryType;
175
176 case DBUS_TYPE_INVALID:
177 return QDBusArgument::UnknownType;
178
179 default:
180 qWarning("QDBusDemarshaller: Found unknown D-Bus type %d '%c'",
181 q_dbus_message_iter_get_arg_type(&iterator),
182 q_dbus_message_iter_get_arg_type(&iterator));
183 }
184 return QDBusArgument::UnknownType;
185}
186
187QVariant QDBusDemarshaller::toVariantInternal()
188{
189 switch (q_dbus_message_iter_get_arg_type(&iterator)) {
190 case DBUS_TYPE_BYTE:
191 return qVariantFromValue(toByte());
192 case DBUS_TYPE_INT16:
193 return qVariantFromValue(toShort());
194 case DBUS_TYPE_UINT16:
195 return qVariantFromValue(toUShort());
196 case DBUS_TYPE_INT32:
197 return toInt();
198 case DBUS_TYPE_UINT32:
199 return toUInt();
200 case DBUS_TYPE_DOUBLE:
201 return toDouble();
202 case DBUS_TYPE_BOOLEAN:
203 return toBool();
204 case DBUS_TYPE_INT64:
205 return toLongLong();
206 case DBUS_TYPE_UINT64:
207 return toULongLong();
208 case DBUS_TYPE_STRING:
209 return toString();
210 case DBUS_TYPE_OBJECT_PATH:
211 return qVariantFromValue(toObjectPath());
212 case DBUS_TYPE_SIGNATURE:
213 return qVariantFromValue(toSignature());
214 case DBUS_TYPE_VARIANT:
215 return qVariantFromValue(toVariant());
216
217 case DBUS_TYPE_ARRAY:
218 switch (q_dbus_message_iter_get_element_type(&iterator)) {
219 case DBUS_TYPE_BYTE:
220 // QByteArray
221 return toByteArray();
222 case DBUS_TYPE_STRING:
223 return toStringList();
224 case DBUS_TYPE_DICT_ENTRY:
225 return qVariantFromValue(duplicate());
226
227 default:
228 return qVariantFromValue(duplicate());
229 }
230
231 case DBUS_TYPE_STRUCT:
232 return qVariantFromValue(duplicate());
233
234 default:
235 qWarning("QDBusDemarshaller: Found unknown D-Bus type %d '%c'",
236 q_dbus_message_iter_get_arg_type(&iterator),
237 q_dbus_message_iter_get_arg_type(&iterator));
238 return QVariant();
239 break;
240 };
241}
242
243QStringList QDBusDemarshaller::toStringList()
244{
245 QStringList list;
246
247 QDBusDemarshaller sub;
248 q_dbus_message_iter_recurse(&iterator, &sub.iterator);
249 q_dbus_message_iter_next(&iterator);
250 while (!sub.atEnd())
251 list.append(sub.toString());
252
253 return list;
254}
255
256QByteArray QDBusDemarshaller::toByteArray()
257{
258 DBusMessageIter sub;
259 q_dbus_message_iter_recurse(&iterator, &sub);
260 q_dbus_message_iter_next(&iterator);
261 int len;
262 char* data;
263 q_dbus_message_iter_get_fixed_array(&sub,&data,&len);
264 return QByteArray(data,len);
265}
266
267bool QDBusDemarshaller::atEnd()
268{
269 // dbus_message_iter_has_next is broken if the list has one single element
270 return q_dbus_message_iter_get_arg_type(&iterator) == DBUS_TYPE_INVALID;
271}
272
273inline QDBusDemarshaller *QDBusDemarshaller::beginStructure()
274{
275 return beginCommon();
276}
277
278inline QDBusDemarshaller *QDBusDemarshaller::beginArray()
279{
280 return beginCommon();
281}
282
283inline QDBusDemarshaller *QDBusDemarshaller::beginMap()
284{
285 return beginCommon();
286}
287
288inline QDBusDemarshaller *QDBusDemarshaller::beginMapEntry()
289{
290 return beginCommon();
291}
292
293QDBusDemarshaller *QDBusDemarshaller::beginCommon()
294{
295 QDBusDemarshaller *d = new QDBusDemarshaller;
296 d->parent = this;
297 d->message = q_dbus_message_ref(message);
298
299 // recurse
300 q_dbus_message_iter_recurse(&iterator, &d->iterator);
301 q_dbus_message_iter_next(&iterator);
302 return d;
303}
304
305inline QDBusDemarshaller *QDBusDemarshaller::endStructure()
306{
307 return endCommon();
308}
309
310inline QDBusDemarshaller *QDBusDemarshaller::endArray()
311{
312 return endCommon();
313}
314
315inline QDBusDemarshaller *QDBusDemarshaller::endMap()
316{
317 return endCommon();
318}
319
320inline QDBusDemarshaller *QDBusDemarshaller::endMapEntry()
321{
322 return endCommon();
323}
324
325QDBusDemarshaller *QDBusDemarshaller::endCommon()
326{
327 QDBusDemarshaller *retval = parent;
328 delete this;
329 return retval;
330}
331
332QDBusArgument QDBusDemarshaller::duplicate()
333{
334 QDBusDemarshaller *d = new QDBusDemarshaller;
335 d->iterator = iterator;
336 d->message = q_dbus_message_ref(message);
337
338 q_dbus_message_iter_next(&iterator);
339 return QDBusArgumentPrivate::create(d);
340}
341
342QT_END_NAMESPACE
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