1 /*
2 *
3 * D-Bus++ - C++ bindings for D-Bus
4 *
5 * Copyright (C) 2005-2007 Paolo Durante <shackan@gmail.com>
6 *
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27
28 #include <dbus-c++/types.h>
29 #include <dbus-c++/object.h>
30 #include <dbus/dbus.h>
31 #include <cstdlib>
32 #include <stdarg.h>
33
34 #include "message_p.h"
35 #include "internalerror.h"
36
37 namespace DBus {
38
Variant()39 Variant::Variant()
40 : _msg(CallMessage()) // dummy message used as temporary storage for variant data
41 {
42 }
43
Variant(MessageIter & it)44 Variant::Variant(MessageIter &it)
45 : _msg(CallMessage())
46 {
47 MessageIter vi = it.recurse();
48 MessageIter mi = _msg.writer();
49 vi.copy_data(mi);
50 }
51
operator =(const Variant & v)52 Variant &Variant::operator = (const Variant &v)
53 {
54 if (&v != this)
55 {
56 _msg = v._msg;
57 }
58 return *this;
59 }
60
clear()61 void Variant::clear()
62 {
63 CallMessage empty;
64 _msg = empty;
65 }
66
signature() const67 const Signature Variant::signature() const
68 {
69 char *sigbuf = reader().signature();
70
71 Signature signature = sigbuf;
72
73 free(sigbuf);
74
75 return signature;
76 }
77
operator <<(MessageIter & iter,const Variant & val)78 MessageIter &operator << (MessageIter &iter, const Variant &val)
79 {
80 const Signature sig = val.signature();
81
82 MessageIter rit = val.reader();
83 MessageIter wit = iter.new_variant(sig.c_str());
84
85 rit.copy_data(wit);
86
87 iter.close_container(wit);
88
89 return iter;
90 }
91
operator >>(MessageIter & iter,Variant & val)92 MessageIter &operator >> (MessageIter &iter, Variant &val)
93 {
94 if (iter.type() != DBUS_TYPE_VARIANT)
95 throw ErrorInvalidArgs("variant type expected");
96
97 val.clear();
98
99 MessageIter vit = iter.recurse();
100 MessageIter mit = val.writer();
101
102 vit.copy_data(mit);
103
104 return ++iter;
105 }
106
107 } /* namespace DBus */
108