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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-gvalue.c GValue to-from DBusMessageIter
*
* Copyright (C) 2004 Ximian, Inc.
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <dbus-gvalue.h>
gboolean
dbus_gvalue_demarshal (DBusMessageIter *iter, GValue *value)
{
gboolean can_convert = TRUE;
/* This is slightly evil, we don't use g_value_set_foo() functions */
#define MAP_BASIC(d_t, g_t) \
case DBUS_TYPE_##d_t: \
g_value_init (value, G_TYPE_##g_t); \
dbus_message_iter_get_basic (iter, &value->data[0]); \
break
g_assert (sizeof (dbus_bool_t) == sizeof (value->data[0].v_int));
switch (dbus_message_iter_get_arg_type (iter))
{
MAP_BASIC (BOOLEAN, BOOLEAN);
MAP_BASIC (BYTE, UCHAR);
MAP_BASIC (INT32, INT);
MAP_BASIC (UINT32, UINT);
MAP_BASIC (INT64, INT64);
MAP_BASIC (UINT64, UINT64);
MAP_BASIC (DOUBLE, DOUBLE);
case DBUS_TYPE_INT16:
{
dbus_int16_t v;
g_value_init (value, G_TYPE_INT);
dbus_message_iter_get_basic (iter, &v);
g_value_set_int (value, v);
}
break;
case DBUS_TYPE_UINT16:
{
dbus_uint16_t v;
g_value_init (value, G_TYPE_UINT);
dbus_message_iter_get_basic (iter, &v);
g_value_set_uint (value, v);
}
break;
case DBUS_TYPE_STRING:
case DBUS_TYPE_OBJECT_PATH:
case DBUS_TYPE_SIGNATURE:
{
const char *s;
g_value_init (value, G_TYPE_STRING);
dbus_message_iter_get_basic (iter, &s);
g_value_set_string (value, s);
}
break;
case DBUS_TYPE_STRUCT:
case DBUS_TYPE_ARRAY:
case DBUS_TYPE_VARIANT:
default:
can_convert = FALSE;
}
#undef MAP_BASIC
return can_convert;
}
gboolean
dbus_gvalue_marshal (DBusMessageIter *iter, GValue *value)
{
gboolean can_convert = TRUE;
GType value_type = G_VALUE_TYPE (value);
value_type = G_VALUE_TYPE (value);
switch (value_type)
{
case G_TYPE_CHAR:
{
char b = g_value_get_char (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_BYTE,
&b))
goto nomem;
}
break;
case G_TYPE_UCHAR:
{
unsigned char b = g_value_get_uchar (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_BYTE,
&b))
goto nomem;
}
break;
case G_TYPE_BOOLEAN:
{
dbus_bool_t b = g_value_get_boolean (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_BOOLEAN,
&b))
goto nomem;
}
break;
case G_TYPE_INT:
{
dbus_int32_t v = g_value_get_int (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_INT32,
&v))
goto nomem;
}
break;
case G_TYPE_UINT:
{
dbus_uint32_t v = g_value_get_uint (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_UINT32,
&v))
goto nomem;
}
break;
/* long gets cut to 32 bits so the remote API is consistent
* on all architectures
*/
case G_TYPE_LONG:
{
dbus_int32_t v = g_value_get_long (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_INT32,
&v))
goto nomem;
}
break;
case G_TYPE_ULONG:
{
dbus_uint32_t v = g_value_get_ulong (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_UINT32,
&v))
goto nomem;
}
break;
case G_TYPE_INT64:
{
gint64 v = g_value_get_int64 (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_INT64,
&v))
goto nomem;
}
break;
case G_TYPE_UINT64:
{
guint64 v = g_value_get_uint64 (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_UINT64,
&v))
goto nomem;
}
break;
case G_TYPE_FLOAT:
{
double v = g_value_get_float (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_DOUBLE,
&v))
goto nomem;
}
break;
case G_TYPE_DOUBLE:
{
double v = g_value_get_double (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_DOUBLE,
&v))
goto nomem;
}
break;
case G_TYPE_STRING:
/* FIXME, the GValue string may not be valid UTF-8 */
{
const char *v = g_value_get_string (value);
if (!dbus_message_iter_append_basic (iter,
DBUS_TYPE_STRING,
&v))
goto nomem;
}
break;
default:
/* FIXME: we need to define custom boxed types for arrays
etc. so we can map them transparently / pleasantly */
can_convert = FALSE;
break;
}
return can_convert;
nomem:
g_error ("no memory");
return FALSE;
}
|
