gplugin/gplugin

closing merged branch
draft bugfix/clang-format-tweaks
2020-07-14, Gary Kramlich
731607ef94c6
closing merged branch
/*
* Copyright (C) 2011-2020 Gary Kramlich <grim@reaperworld.com>
*
* 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 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/>.
*/
#include "gplugin-python3-plugin.h"
#include <Python.h>
/******************************************************************************
* Typedefs
*****************************************************************************/
struct _GPluginPython3Plugin {
GObject parent;
PyObject *module;
PyObject *query;
PyObject *load;
PyObject *unload;
/* overrides */
gchar *filename;
GPluginLoader *loader;
GPluginPluginInfo *info;
GPluginPluginState state;
};
/******************************************************************************
* Enums
*****************************************************************************/
enum {
PROP_ZERO,
PROP_MODULE,
PROP_LOAD_FUNC,
PROP_UNLOAD_FUNC,
N_PROPERTIES,
/* overrides */
PROP_FILENAME = N_PROPERTIES,
PROP_LOADER,
PROP_INFO,
PROP_STATE
};
static GParamSpec *properties[N_PROPERTIES] = {
NULL,
};
/* I hate forward declarations... */
static void gplugin_python3_plugin_iface_init(GPluginPluginInterface *iface);
G_DEFINE_DYNAMIC_TYPE_EXTENDED(
GPluginPython3Plugin,
gplugin_python3_plugin,
G_TYPE_OBJECT,
0,
G_IMPLEMENT_INTERFACE(
GPLUGIN_TYPE_PLUGIN,
gplugin_python3_plugin_iface_init));
/******************************************************************************
* GPluginPlugin Implementation
*****************************************************************************/
static void
gplugin_python3_plugin_iface_init(G_GNUC_UNUSED GPluginPluginInterface *iface)
{
}
/******************************************************************************
* Private Stuff
*****************************************************************************/
static void
gplugin_python3_plugin_set_module(
GPluginPython3Plugin *plugin,
PyObject *module)
{
g_return_if_fail(GPLUGIN_IS_PLUGIN(plugin));
g_return_if_fail(module);
Py_XINCREF(module);
Py_CLEAR(plugin->module);
plugin->module = module;
}
static gpointer
gplugin_python3_plugin_get_load_func(GPluginPython3Plugin *plugin)
{
g_return_val_if_fail(GPLUGIN_PYTHON3_IS_PLUGIN(plugin), NULL);
return plugin->load;
}
static void
gplugin_python3_plugin_set_load_func(
GPluginPython3Plugin *plugin,
PyObject *func)
{
g_return_if_fail(GPLUGIN_PYTHON3_IS_PLUGIN(plugin));
g_return_if_fail(func != NULL);
Py_XINCREF(func);
Py_CLEAR(plugin->load);
plugin->load = func;
}
static gpointer
gplugin_python3_plugin_get_unload_func(GPluginPython3Plugin *plugin)
{
g_return_val_if_fail(GPLUGIN_PYTHON3_IS_PLUGIN(plugin), NULL);
return plugin->unload;
}
static void
gplugin_python3_plugin_set_unload_func(
GPluginPython3Plugin *plugin,
PyObject *func)
{
g_return_if_fail(GPLUGIN_PYTHON3_IS_PLUGIN(plugin));
g_return_if_fail(func != NULL);
Py_XINCREF(func);
Py_CLEAR(plugin->unload);
plugin->unload = func;
}
/******************************************************************************
* GObject Implementation
*****************************************************************************/
static void
gplugin_python3_plugin_get_property(
GObject *obj,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GPluginPython3Plugin *plugin = GPLUGIN_PYTHON3_PLUGIN(obj);
switch(param_id) {
case PROP_MODULE:
g_value_set_pointer(value, plugin->module);
break;
case PROP_LOAD_FUNC:
g_value_set_pointer(
value,
gplugin_python3_plugin_get_load_func(plugin));
break;
case PROP_UNLOAD_FUNC:
g_value_set_pointer(
value,
gplugin_python3_plugin_get_unload_func(plugin));
break;
/* overrides */
case PROP_FILENAME:
g_value_set_string(value, plugin->filename);
break;
case PROP_LOADER:
g_value_set_object(value, plugin->loader);
break;
case PROP_INFO:
g_value_set_object(value, plugin->info);
break;
case PROP_STATE:
g_value_set_enum(value, plugin->state);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
break;
}
}
static void
gplugin_python3_plugin_set_property(
GObject *obj,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
GPluginPython3Plugin *plugin = GPLUGIN_PYTHON3_PLUGIN(obj);
switch(param_id) {
case PROP_MODULE:
gplugin_python3_plugin_set_module(
plugin,
g_value_get_pointer(value));
break;
case PROP_LOAD_FUNC:
gplugin_python3_plugin_set_load_func(
plugin,
g_value_get_pointer(value));
break;
case PROP_UNLOAD_FUNC:
gplugin_python3_plugin_set_unload_func(
plugin,
g_value_get_pointer(value));
break;
/* overrides */
case PROP_FILENAME:
plugin->filename = g_value_dup_string(value);
break;
case PROP_LOADER:
plugin->loader = g_value_dup_object(value);
break;
case PROP_INFO:
plugin->info = g_value_dup_object(value);
break;
case PROP_STATE:
plugin->state = g_value_get_enum(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
break;
}
}
static void
gplugin_python3_plugin_finalize(GObject *obj)
{
GPluginPython3Plugin *plugin = GPLUGIN_PYTHON3_PLUGIN(obj);
Py_CLEAR(plugin->module);
Py_CLEAR(plugin->load);
Py_CLEAR(plugin->unload);
g_clear_pointer(&plugin->filename, g_free);
g_clear_object(&plugin->loader);
g_clear_object(&plugin->info);
G_OBJECT_CLASS(gplugin_python3_plugin_parent_class)->finalize(obj);
}
static void
gplugin_python3_plugin_init(G_GNUC_UNUSED GPluginPython3Plugin *plugin)
{
}
static void
gplugin_python3_plugin_class_finalize(
G_GNUC_UNUSED GPluginPython3PluginClass *klass)
{
}
static void
gplugin_python3_plugin_class_init(GPluginPython3PluginClass *klass)
{
GObjectClass *obj_class = G_OBJECT_CLASS(klass);
obj_class->get_property = gplugin_python3_plugin_get_property;
obj_class->set_property = gplugin_python3_plugin_set_property;
obj_class->finalize = gplugin_python3_plugin_finalize;
properties[PROP_MODULE] = g_param_spec_pointer(
"module",
"module",
"The python module object",
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
properties[PROP_LOAD_FUNC] = g_param_spec_pointer(
"load-func",
"load-func",
"The python load function",
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
properties[PROP_UNLOAD_FUNC] = g_param_spec_pointer(
"unload-func",
"unload-func",
"The python unload function",
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_properties(obj_class, N_PROPERTIES, properties);
/* add our overrides */
g_object_class_override_property(obj_class, PROP_FILENAME, "filename");
g_object_class_override_property(obj_class, PROP_LOADER, "loader");
g_object_class_override_property(obj_class, PROP_INFO, "info");
g_object_class_override_property(obj_class, PROP_STATE, "state");
}
/******************************************************************************
* API
*****************************************************************************/
void
gplugin_python3_plugin_register(GPluginNativePlugin *native)
{
gplugin_python3_plugin_register_type(G_TYPE_MODULE(native));
}