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/* -*- Mode: C; c-basic-offset: 4 -*-
* vim: tabstop=4 shiftwidth=4 expandtab
*
* Copyright (C) 2011 John (J5) Palmieri <johnp@redhat.com>, Red Hat, Inc.
*
* pygi-marshal-from-py.c: Functions to convert PyObjects to C types.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#include "pygi-private.h"
#include <string.h>
#include <time.h>
#include <pygobject.h>
#include <pyglib-python-compat.h>
#include "pygi-cache.h"
#include "pygi-marshal-cleanup.h"
#include "pygi-marshal-from-py.h"
#ifdef _WIN32
#ifdef _MSC_VER
#include <math.h>
#ifndef NAN
static const unsigned long __nan[2] = {0xffffffff, 0x7fffffff};
#define NAN (*(const float *) __nan)
#endif
#ifndef INFINITY
#define INFINITY HUGE_VAL
#endif
#endif
#endif
static gboolean
gi_argument_from_c_long (GIArgument *arg_out,
long c_long_in,
GITypeTag type_tag)
{
switch (type_tag) {
case GI_TYPE_TAG_INT8:
arg_out->v_int8 = c_long_in;
return TRUE;
case GI_TYPE_TAG_UINT8:
arg_out->v_uint8 = c_long_in;
return TRUE;
case GI_TYPE_TAG_INT16:
arg_out->v_int16 = c_long_in;
return TRUE;
case GI_TYPE_TAG_UINT16:
arg_out->v_uint16 = c_long_in;
return TRUE;
case GI_TYPE_TAG_INT32:
arg_out->v_int32 = c_long_in;
return TRUE;
case GI_TYPE_TAG_UINT32:
arg_out->v_uint32 = c_long_in;
return TRUE;
case GI_TYPE_TAG_INT64:
arg_out->v_int64 = c_long_in;
return TRUE;
case GI_TYPE_TAG_UINT64:
arg_out->v_uint64 = c_long_in;
return TRUE;
default:
PyErr_Format (PyExc_TypeError,
"Unable to marshal C long %ld to %s",
c_long_in,
g_type_tag_to_string (type_tag));
return FALSE;
}
}
gboolean
_pygi_marshal_from_py_interface_enum (PyGIInvokeState *state,
PyGICallableCache *callable_cache,
PyGIArgCache *arg_cache,
PyObject *py_arg,
GIArgument *arg,
gpointer *cleanup_data)
{
PyObject *py_long;
long c_long;
gint is_instance;
PyGIInterfaceCache *iface_cache = (PyGIInterfaceCache *)arg_cache;
GIBaseInfo *interface = NULL;
is_instance = PyObject_IsInstance (py_arg, iface_cache->py_type);
py_long = PYGLIB_PyNumber_Long (py_arg);
if (py_long == NULL) {
PyErr_Clear();
goto err;
}
c_long = PYGLIB_PyLong_AsLong (py_long);
Py_DECREF (py_long);
/* Write c_long into arg */
interface = g_type_info_get_interface (arg_cache->type_info);
assert(g_base_info_get_type (interface) == GI_INFO_TYPE_ENUM);
if (!gi_argument_from_c_long(arg,
c_long,
g_enum_info_get_storage_type ((GIEnumInfo *)interface))) {
g_assert_not_reached();
g_base_info_unref (interface);
return FALSE;
}
/* If this is not an instance of the Enum type that we want
* we need to check if the value is equivilant to one of the
* Enum's memebers */
if (!is_instance) {
int i;
gboolean is_found = FALSE;
for (i = 0; i < g_enum_info_get_n_values (iface_cache->interface_info); i++) {
GIValueInfo *value_info =
g_enum_info_get_value (iface_cache->interface_info, i);
glong enum_value = g_value_info_get_value (value_info);
g_base_info_unref ( (GIBaseInfo *)value_info);
if (c_long == enum_value) {
is_found = TRUE;
break;
}
}
if (!is_found)
goto err;
}
g_base_info_unref (interface);
return TRUE;
err:
if (interface)
g_base_info_unref (interface);
PyErr_Format (PyExc_TypeError, "Expected a %s, but got %s",
iface_cache->type_name, py_arg->ob_type->tp_name);
return FALSE;
}
gboolean
_pygi_marshal_from_py_interface_flags (PyGIInvokeState *state,
PyGICallableCache *callable_cache,
PyGIArgCache *arg_cache,
PyObject *py_arg,
GIArgument *arg,
gpointer *cleanup_data)
{
PyObject *py_long;
long c_long;
gint is_instance;
PyGIInterfaceCache *iface_cache = (PyGIInterfaceCache *)arg_cache;
GIBaseInfo *interface;
is_instance = PyObject_IsInstance (py_arg, iface_cache->py_type);
py_long = PYGLIB_PyNumber_Long (py_arg);
if (py_long == NULL) {
PyErr_Clear ();
goto err;
}
c_long = PYGLIB_PyLong_AsLong (py_long);
Py_DECREF (py_long);
/* only 0 or argument of type Flag is allowed */
if (!is_instance && c_long != 0)
goto err;
/* Write c_long into arg */
interface = g_type_info_get_interface (arg_cache->type_info);
g_assert (g_base_info_get_type (interface) == GI_INFO_TYPE_FLAGS);
if (!gi_argument_from_c_long(arg, c_long,
g_enum_info_get_storage_type ((GIEnumInfo *)interface))) {
g_base_info_unref (interface);
return FALSE;
}
g_base_info_unref (interface);
return TRUE;
err:
PyErr_Format (PyExc_TypeError, "Expected a %s, but got %s",
iface_cache->type_name, py_arg->ob_type->tp_name);
return FALSE;
}
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