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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-gsignature.c Mapping from dbus type signatures to GType
*
* Copyright (C) 2005 Red Hat, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "config.h"
#include "dbus-gtest.h"
#include "dbus-gsignature.h"
#include "dbus-gvalue-utils.h"
#include <string.h>
#include <glib.h>
#define MAP_BASIC(d_t, g_t) \
case DBUS_TYPE_##d_t: \
return G_TYPE_##g_t;
static GType
typecode_to_gtype (int type)
{
switch (type)
{
MAP_BASIC (BOOLEAN, BOOLEAN);
MAP_BASIC (BYTE, UCHAR);
MAP_BASIC (INT16, INT);
MAP_BASIC (INT32, INT);
MAP_BASIC (UINT16, UINT);
MAP_BASIC (UINT32, UINT);
MAP_BASIC (INT64, INT64);
MAP_BASIC (UINT64, UINT64);
MAP_BASIC (DOUBLE, DOUBLE);
MAP_BASIC (STRING, STRING);
default:
return G_TYPE_INVALID;
}
}
#undef MAP_BASIC
static gboolean
dbus_typecode_maps_to_basic (int typecode)
{
return typecode_to_gtype (typecode) != G_TYPE_INVALID;
}
GType
_dbus_gtype_from_basic_typecode (int typecode)
{
g_assert (dbus_type_is_basic (typecode));
g_assert (dbus_typecode_maps_to_basic (typecode));
return typecode_to_gtype (typecode);
}
static GType
signature_iter_to_g_type_dict (const DBusSignatureIter *subiter, gboolean is_client)
{
DBusSignatureIter iter;
GType key_gtype;
GType value_gtype;
g_assert (dbus_signature_iter_get_current_type (subiter) == DBUS_TYPE_DICT_ENTRY);
dbus_signature_iter_recurse (subiter, &iter);
key_gtype = _dbus_gtype_from_signature_iter (&iter, is_client);
if (key_gtype == G_TYPE_INVALID)
return G_TYPE_INVALID;
dbus_signature_iter_next (&iter);
value_gtype = _dbus_gtype_from_signature_iter (&iter, is_client);
if (value_gtype == G_TYPE_INVALID)
return G_TYPE_INVALID;
if (!_dbus_gtype_is_valid_hash_key (key_gtype)
|| !_dbus_gtype_is_valid_hash_value (value_gtype))
/* Later we need to return DBUS_TYPE_G_VALUE */
return G_TYPE_INVALID;
return dbus_g_type_get_map ("GHashTable", key_gtype, value_gtype);
}
static GType
signature_iter_to_g_type_array (DBusSignatureIter *iter, gboolean is_client)
{
GType elt_gtype;
elt_gtype = _dbus_gtype_from_signature_iter (iter, is_client);
if (elt_gtype == G_TYPE_INVALID)
return G_TYPE_INVALID;
if (elt_gtype == G_TYPE_OBJECT)
return DBUS_TYPE_G_OBJECT_ARRAY;
if (elt_gtype == G_TYPE_STRING)
return G_TYPE_STRV;
if (_dbus_g_type_is_fixed (elt_gtype))
return dbus_g_type_get_collection ("GArray", elt_gtype);
else if (g_type_is_a (elt_gtype, G_TYPE_OBJECT)
|| g_type_is_a (elt_gtype, G_TYPE_BOXED))
return dbus_g_type_get_collection ("GPtrArray", elt_gtype);
/* Later we need to return DBUS_TYPE_G_VALUE */
return G_TYPE_INVALID;
}
static GType
signature_iter_to_g_type_struct (DBusSignatureIter *iter, gboolean is_client)
{
GArray *types;
GType ret;
types = g_array_new (FALSE, FALSE, sizeof (GType));
do
{
GType curtype;
curtype = _dbus_gtype_from_signature_iter (iter, is_client);
g_array_append_val (types, curtype);
}
while (dbus_signature_iter_next (iter));
ret = dbus_g_type_get_structv ("GValueArray", types->len, (GType*) types->data);
g_array_free (types, TRUE);
return ret;
}
GType
_dbus_gtype_from_signature_iter (DBusSignatureIter *iter, gboolean is_client)
{
int current_type;
current_type = dbus_signature_iter_get_current_type (iter);
/* TODO: handle type 0? */
if (dbus_typecode_maps_to_basic (current_type))
return _dbus_gtype_from_basic_typecode (current_type);
else if (current_type == DBUS_TYPE_OBJECT_PATH)
return DBUS_TYPE_G_OBJECT_PATH;
else if (current_type == DBUS_TYPE_SIGNATURE)
return DBUS_TYPE_G_SIGNATURE;
else
{
DBusSignatureIter subiter;
g_assert (dbus_type_is_container (current_type));
if (current_type == DBUS_TYPE_VARIANT)
return G_TYPE_VALUE;
dbus_signature_iter_recurse (iter, &subiter);
if (current_type == DBUS_TYPE_ARRAY)
{
int elt_type = dbus_signature_iter_get_current_type (&subiter);
if (elt_type == DBUS_TYPE_DICT_ENTRY)
return signature_iter_to_g_type_dict (&subiter, is_client);
else
return signature_iter_to_g_type_array (&subiter, is_client);
}
else if (current_type == DBUS_TYPE_STRUCT)
{
return signature_iter_to_g_type_struct (&subiter, is_client);
}
else
{
g_assert_not_reached ();
return G_TYPE_INVALID;
}
}
}
GType
_dbus_gtype_from_signature (const char *signature, gboolean is_client)
{
DBusSignatureIter iter;
dbus_signature_iter_init (&iter, signature);
return _dbus_gtype_from_signature_iter (&iter, is_client);
}
GArray *
_dbus_gtypes_from_arg_signature (const char *argsig, gboolean is_client)
{
GArray *ret;
int current_type;
DBusSignatureIter sigiter;
ret = g_array_new (FALSE, FALSE, sizeof (GType));
dbus_signature_iter_init (&sigiter, argsig);
while ((current_type = dbus_signature_iter_get_current_type (&sigiter)) != DBUS_TYPE_INVALID)
{
GType curtype;
curtype = _dbus_gtype_from_signature_iter (&sigiter, is_client);
g_array_append_val (ret, curtype);
dbus_signature_iter_next (&sigiter);
}
return ret;
}
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