1 /* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
3 * Copyright (c) 2010 litl, LLC
4 * Copyright (c) 2010 Collabora Ltd. <http://www.collabora.co.uk/>
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29 #include "pygobject.h"
30 #include "pygi-foreign.h"
32 #include <girepository.h>
35 const char *namespace;
37 PyGIArgOverrideToGIArgumentFunc to_func;
38 PyGIArgOverrideFromGIArgumentFunc from_func;
39 PyGIArgOverrideReleaseFunc release_func;
42 static GPtrArray *foreign_structs = NULL;
45 init_foreign_structs ()
47 foreign_structs = g_ptr_array_new ();
50 static PyGIForeignStruct *
51 do_lookup (const gchar *namespace, const gchar *name)
54 for (i = 0; i < foreign_structs->len; i++) {
55 PyGIForeignStruct *foreign_struct = \
56 g_ptr_array_index (foreign_structs, i);
58 if ( (strcmp (namespace, foreign_struct->namespace) == 0) &&
59 (strcmp (name, foreign_struct->name) == 0)) {
60 return foreign_struct;
66 static PyGIForeignStruct *
67 pygi_struct_foreign_lookup (GIBaseInfo *base_info)
69 PyGIForeignStruct *result;
70 const gchar *namespace = g_base_info_get_namespace (base_info);
71 const gchar *name = g_base_info_get_name (base_info);
73 if (foreign_structs == NULL) {
74 init_foreign_structs ();
77 result = do_lookup (namespace, name);
80 gchar *module_name = g_strconcat ("gi._gi_", namespace, NULL);
81 PyObject *module = PyImport_ImportModule (module_name);
89 result = do_lookup (namespace, name);
94 PyErr_Format (PyExc_TypeError,
95 "Couldn't find conversion for foreign struct '%s.%s'",
104 pygi_struct_foreign_convert_to_g_argument (PyObject *value,
105 GIInterfaceInfo *interface_info,
111 GIBaseInfo *base_info = (GIBaseInfo *) interface_info;
112 PyGIForeignStruct *foreign_struct = pygi_struct_foreign_lookup (base_info);
114 if (foreign_struct == NULL) {
115 PyErr_Format(PyExc_KeyError, "could not find foreign type %s",
116 g_base_info_get_name (base_info));
120 result = foreign_struct->to_func (value, interface_info, transfer, arg);
125 pygi_struct_foreign_convert_from_g_argument (GIInterfaceInfo *interface_info,
128 GIBaseInfo *base_info = (GIBaseInfo *) interface_info;
129 PyGIForeignStruct *foreign_struct = pygi_struct_foreign_lookup (base_info);
131 if (foreign_struct == NULL)
134 return foreign_struct->from_func (interface_info, arg);
138 pygi_struct_foreign_release (GIBaseInfo *base_info,
141 PyGIForeignStruct *foreign_struct = pygi_struct_foreign_lookup (base_info);
143 if (foreign_struct == NULL)
146 if (!foreign_struct->release_func)
149 return foreign_struct->release_func (base_info, struct_);
153 pygi_register_foreign_struct_real (const char* namespace_,
155 PyGIArgOverrideToGIArgumentFunc to_func,
156 PyGIArgOverrideFromGIArgumentFunc from_func,
157 PyGIArgOverrideReleaseFunc release_func)
159 PyGIForeignStruct *new_struct = g_slice_new (PyGIForeignStruct);
160 new_struct->namespace = namespace_;
161 new_struct->name = name;
162 new_struct->to_func = to_func;
163 new_struct->from_func = from_func;
164 new_struct->release_func = release_func;
166 g_ptr_array_add (foreign_structs, new_struct);