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/*
*
* D-Bus++ - C++ bindings for D-Bus
*
* Copyright (C) 2005-2007 Paolo Durante <shackan@gmail.com>
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <dbus-c++/types.h>
#include <dbus-c++/object.h>
#include <dbus/dbus.h>
#include <cstdlib>
#include <stdarg.h>
#include "message_p.h"
#include "internalerror.h"
namespace DBus {
Variant::Variant()
: _msg(CallMessage()) // dummy message used as temporary storage for variant data
{
}
Variant::Variant(MessageIter &it)
: _msg(CallMessage())
{
MessageIter vi = it.recurse();
MessageIter mi = _msg.writer();
vi.copy_data(mi);
}
Variant &Variant::operator = (const Variant &v)
{
if (&v != this)
{
_msg = v._msg;
}
return *this;
}
void Variant::clear()
{
CallMessage empty;
_msg = empty;
}
const Signature Variant::signature() const
{
char *sigbuf = reader().signature();
Signature signature = sigbuf;
free(sigbuf);
return signature;
}
MessageIter &operator << (MessageIter &iter, const Variant &val)
{
const Signature sig = val.signature();
MessageIter rit = val.reader();
MessageIter wit = iter.new_variant(sig.c_str());
rit.copy_data(wit);
iter.close_container(wit);
return iter;
}
MessageIter &operator >> (MessageIter &iter, Variant &val)
{
if (iter.type() != DBUS_TYPE_VARIANT)
throw ErrorInvalidArgs("variant type expected");
val.clear();
MessageIter vit = iter.recurse();
MessageIter mit = val.writer();
vit.copy_data(mit);
return ++iter;
}
} /* namespace DBus */
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