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authorDongHun Kwak <dh0128.kwak@samsung.com>2017-07-12 08:45:23 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2017-07-12 08:45:27 +0900
commitee6939d73fd96606a92eee870014c58eafee5e63 (patch)
tree6a3526fab8e841879fbcab05749fcb4a91a4f580 /gi/pygboxed.c
parent0df45a72dc2a72275a5c49c38b87f73341987192 (diff)
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Imported Upstream version 3.20.0
Change-Id: I8106882e9a0d7a8fb554f9549e7c2cde111c104b Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'gi/pygboxed.c')
-rw-r--r--gi/pygboxed.c261
1 files changed, 261 insertions, 0 deletions
diff --git a/gi/pygboxed.c b/gi/pygboxed.c
new file mode 100644
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+++ b/gi/pygboxed.c
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+/* -*- Mode: C; c-basic-offset: 4 -*-
+ * pygtk- Python bindings for the GTK toolkit.
+ * Copyright (C) 1998-2003 James Henstridge
+ *
+ * pygboxed.c: wrapper for GBoxed
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <pyglib.h>
+#include "pygobject-private.h"
+#include "pygboxed.h"
+
+#include "pygi.h"
+#include "pygi-type.h"
+
+GQuark pygboxed_type_key;
+GQuark pygboxed_marshal_key;
+
+PYGLIB_DEFINE_TYPE("gobject.GBoxed", PyGBoxed_Type, PyGBoxed);
+
+static void
+pyg_boxed_dealloc(PyGBoxed *self)
+{
+ if (self->free_on_dealloc && pyg_boxed_get_ptr (self)) {
+ PyGILState_STATE state = pyglib_gil_state_ensure();
+ g_boxed_free (self->gtype, pyg_boxed_get_ptr (self));
+ pyglib_gil_state_release(state);
+ }
+
+ Py_TYPE(self)->tp_free((PyObject *)self);
+}
+
+static PyObject*
+pyg_boxed_richcompare(PyObject *self, PyObject *other, int op)
+{
+ if (Py_TYPE(self) == Py_TYPE(other) &&
+ PyObject_IsInstance(self, (PyObject*)&PyGBoxed_Type))
+ return _pyglib_generic_ptr_richcompare (pyg_boxed_get_ptr (self),
+ pyg_boxed_get_ptr (other),
+ op);
+ else {
+ Py_INCREF(Py_NotImplemented);
+ return Py_NotImplemented;
+ }
+}
+
+
+static long
+pyg_boxed_hash(PyGBoxed *self)
+{
+ return (long)pyg_boxed_get_ptr (self);
+}
+
+static PyObject *
+pyg_boxed_repr(PyGBoxed *boxed)
+{
+ PyObject *module, *repr, *self = (PyObject *)boxed;
+ gchar *module_str, *namespace;
+
+ module = PyObject_GetAttrString (self, "__module__");
+ if (module == NULL)
+ return NULL;
+
+ if (!PYGLIB_PyUnicode_Check (module)) {
+ Py_DECREF (module);
+ return NULL;
+ }
+
+ module_str = PYGLIB_PyUnicode_AsString (module);
+ namespace = g_strrstr (module_str, ".");
+ if (namespace == NULL) {
+ namespace = module_str;
+ } else {
+ namespace += 1;
+ }
+
+ repr = PYGLIB_PyUnicode_FromFormat ("<%s.%s object at %p (%s at %p)>",
+ namespace, Py_TYPE (self)->tp_name,
+ self, g_type_name (boxed->gtype),
+ pyg_boxed_get_ptr (boxed));
+ Py_DECREF (module);
+ return repr;
+}
+
+static int
+pyg_boxed_init(PyGBoxed *self, PyObject *args, PyObject *kwargs)
+{
+ gchar buf[512];
+
+ if (!PyArg_ParseTuple(args, ":GBoxed.__init__"))
+ return -1;
+
+ pyg_boxed_set_ptr (self, NULL);
+ self->gtype = 0;
+ self->free_on_dealloc = FALSE;
+
+ g_snprintf(buf, sizeof(buf), "%s can not be constructed",
+ Py_TYPE(self)->tp_name);
+ PyErr_SetString(PyExc_NotImplementedError, buf);
+ return -1;
+}
+
+static void
+pyg_boxed_free(PyObject *op)
+{
+ PyObject_FREE(op);
+}
+
+static PyObject *
+pyg_boxed_copy(PyGBoxed *self)
+{
+ return pyg_boxed_new (self->gtype, pyg_boxed_get_ptr (self), TRUE, TRUE);
+}
+
+
+
+static PyMethodDef pygboxed_methods[] = {
+ { "copy", (PyCFunction) pyg_boxed_copy, METH_NOARGS },
+ { NULL, NULL, 0 }
+};
+
+
+/**
+ * pyg_register_boxed:
+ * @dict: the module dictionary to store the wrapper class.
+ * @class_name: the Python name for the wrapper class.
+ * @boxed_type: the GType of the boxed type being wrapped.
+ * @type: the wrapper class.
+ *
+ * Registers a wrapper for a boxed type. The wrapper class will be a
+ * subclass of gobject.GBoxed, and a reference to the wrapper class
+ * will be stored in the provided module dictionary.
+ */
+void
+pyg_register_boxed(PyObject *dict, const gchar *class_name,
+ GType boxed_type, PyTypeObject *type)
+{
+ PyObject *o;
+
+ g_return_if_fail(dict != NULL);
+ g_return_if_fail(class_name != NULL);
+ g_return_if_fail(boxed_type != 0);
+
+ if (!type->tp_dealloc) type->tp_dealloc = (destructor)pyg_boxed_dealloc;
+
+ Py_TYPE(type) = &PyType_Type;
+ type->tp_base = &PyGBoxed_Type;
+
+ if (PyType_Ready(type) < 0) {
+ g_warning("could not get type `%s' ready", type->tp_name);
+ return;
+ }
+
+ PyDict_SetItemString(type->tp_dict, "__gtype__",
+ o=pyg_type_wrapper_new(boxed_type));
+ Py_DECREF(o);
+
+ g_type_set_qdata(boxed_type, pygboxed_type_key, type);
+
+ PyDict_SetItemString(dict, (char *)class_name, (PyObject *)type);
+}
+
+/**
+ * pyg_boxed_new:
+ * @boxed_type: the GType of the boxed value.
+ * @boxed: the boxed value.
+ * @copy_boxed: whether the new boxed wrapper should hold a copy of the value.
+ * @own_ref: whether the boxed wrapper should own the boxed value.
+ *
+ * Creates a wrapper for a boxed value. If @copy_boxed is set to
+ * True, the wrapper will hold a copy of the value, instead of the
+ * value itself. If @own_ref is True, then the value held by the
+ * wrapper will be freed when the wrapper is deallocated. If
+ * @copy_boxed is True, then @own_ref must also be True.
+ *
+ * Returns: the boxed wrapper or %NULL and sets an exception.
+ */
+PyObject *
+pyg_boxed_new(GType boxed_type, gpointer boxed, gboolean copy_boxed,
+ gboolean own_ref)
+{
+ PyGILState_STATE state;
+ PyGBoxed *self;
+ PyTypeObject *tp;
+
+ g_return_val_if_fail(boxed_type != 0, NULL);
+ g_return_val_if_fail(!copy_boxed || (copy_boxed && own_ref), NULL);
+
+ state = pyglib_gil_state_ensure();
+
+ if (!boxed) {
+ Py_INCREF(Py_None);
+ pyglib_gil_state_release(state);
+ return Py_None;
+ }
+
+ tp = g_type_get_qdata(boxed_type, pygboxed_type_key);
+
+ if (!tp)
+ tp = (PyTypeObject *)pygi_type_import_by_g_type(boxed_type);
+
+ if (!tp)
+ tp = (PyTypeObject *)&PyGBoxed_Type; /* fallback */
+
+ if (!PyType_IsSubtype (tp, &PyGBoxed_Type)) {
+ PyErr_Format (PyExc_RuntimeError, "%s isn't a GBoxed", tp->tp_name);
+ pyglib_gil_state_release (state);
+ return NULL;
+ }
+
+ self = (PyGBoxed *)tp->tp_alloc(tp, 0);
+
+ if (self == NULL) {
+ pyglib_gil_state_release(state);
+ return NULL;
+ }
+
+ if (copy_boxed)
+ boxed = g_boxed_copy(boxed_type, boxed);
+ pyg_boxed_set_ptr (self, boxed);
+ self->gtype = boxed_type;
+ self->free_on_dealloc = own_ref;
+
+ pyglib_gil_state_release(state);
+
+ return (PyObject *)self;
+}
+
+void
+pygobject_boxed_register_types(PyObject *d)
+{
+ pygboxed_type_key = g_quark_from_static_string("PyGBoxed::class");
+ pygboxed_marshal_key = g_quark_from_static_string("PyGBoxed::marshal");
+
+ PyGBoxed_Type.tp_dealloc = (destructor)pyg_boxed_dealloc;
+ PyGBoxed_Type.tp_richcompare = pyg_boxed_richcompare;
+ PyGBoxed_Type.tp_repr = (reprfunc)pyg_boxed_repr;
+ PyGBoxed_Type.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
+ PyGBoxed_Type.tp_methods = pygboxed_methods;
+ PyGBoxed_Type.tp_init = (initproc)pyg_boxed_init;
+ PyGBoxed_Type.tp_free = (freefunc)pyg_boxed_free;
+ PyGBoxed_Type.tp_hash = (hashfunc)pyg_boxed_hash;
+
+ PYGOBJECT_REGISTER_GTYPE(d, PyGBoxed_Type, "GBoxed", G_TYPE_BOXED);
+}