gplugin/gplugin

Added tag v0.0.28 for changeset 741a484ae91c
v0.28.0
2019-01-22, Gary Kramlich
0aec4b15554d
Added tag v0.0.28 for changeset 741a484ae91c
/*
* Copyright (C) 2011-2014 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 <Python.h>
#include "gplugin-python-plugin.h"
#include <pygobject.h>
/******************************************************************************
* Typedefs
*****************************************************************************/
typedef struct {
PyObject *module;
PyObject *query;
PyObject *load;
PyObject *unload;
/* overrides */
gchar *filename;
GPluginLoader *loader;
GPluginPluginInfo *info;
GPluginPluginState state;
} GPluginPythonPluginPrivate;
/******************************************************************************
* 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_python_plugin_iface_init(GPluginPluginInterface *iface);
G_DEFINE_DYNAMIC_TYPE_EXTENDED(
GPluginPythonPlugin,
gplugin_python_plugin,
G_TYPE_OBJECT,
0,
G_ADD_PRIVATE_DYNAMIC(GPluginPythonPlugin)
G_IMPLEMENT_INTERFACE(GPLUGIN_TYPE_PLUGIN, gplugin_python_plugin_iface_init)
);
/******************************************************************************
* GPluginPlugin Implementation
*****************************************************************************/
static void
gplugin_python_plugin_iface_init(GPluginPluginInterface *iface) {
}
/******************************************************************************
* Private Stuff
*****************************************************************************/
static PyObject *
gplugin_python_plugin_get_module(GPluginPythonPlugin *plugin) {
GPluginPythonPluginPrivate *priv = NULL;
g_return_val_if_fail(GPLUGIN_IS_PYTHON_PLUGIN(plugin), NULL);
priv = gplugin_python_plugin_get_instance_private(plugin);
return priv->module;
}
static void
gplugin_python_plugin_set_module(GPluginPythonPlugin *plugin,
PyObject *module)
{
GPluginPythonPluginPrivate *priv = NULL;
g_return_if_fail(GPLUGIN_IS_PLUGIN(plugin));
g_return_if_fail(module);
priv = gplugin_python_plugin_get_instance_private(plugin);
if(priv->module)
Py_DECREF(priv->module);
priv->module = module;
if(priv->module)
Py_INCREF(priv->module);
}
static gpointer
gplugin_python_plugin_get_load_func(GPluginPythonPlugin *plugin) {
GPluginPythonPluginPrivate *priv = NULL;
g_return_val_if_fail(GPLUGIN_IS_PYTHON_PLUGIN(plugin), NULL);
priv = gplugin_python_plugin_get_instance_private(plugin);
return priv->load;
}
static void
gplugin_python_plugin_set_load_func(GPluginPythonPlugin *plugin,
PyObject *func)
{
GPluginPythonPluginPrivate *priv = NULL;
g_return_if_fail(GPLUGIN_IS_PYTHON_PLUGIN(plugin));
g_return_if_fail(func != NULL);
priv = gplugin_python_plugin_get_instance_private(plugin);
if(priv->load)
Py_DECREF(priv->load);
priv->load = func;
if(priv->load)
Py_INCREF(priv->load);
}
static gpointer
gplugin_python_plugin_get_unload_func(GPluginPythonPlugin *plugin) {
GPluginPythonPluginPrivate *priv = NULL;
g_return_val_if_fail(GPLUGIN_IS_PYTHON_PLUGIN(plugin), NULL);
priv = gplugin_python_plugin_get_instance_private(plugin);
return priv->unload;
}
static void
gplugin_python_plugin_set_unload_func(GPluginPythonPlugin *plugin,
PyObject *func)
{
GPluginPythonPluginPrivate *priv = NULL;
g_return_if_fail(GPLUGIN_IS_PYTHON_PLUGIN(plugin));
g_return_if_fail(func != NULL);
priv = gplugin_python_plugin_get_instance_private(plugin);
if(priv->unload)
Py_DECREF(priv->unload);
priv->unload = func;
if(priv->unload)
Py_INCREF(priv->unload);
}
/******************************************************************************
* Object Stuff
*****************************************************************************/
static void
gplugin_python_plugin_get_property(GObject *obj, guint param_id, GValue *value,
GParamSpec *pspec)
{
GPluginPythonPlugin *plugin = GPLUGIN_PYTHON_PLUGIN(obj);
GPluginPythonPluginPrivate *priv = gplugin_python_plugin_get_instance_private(plugin);
switch(param_id) {
case PROP_MODULE:
g_value_set_pointer(value,
gplugin_python_plugin_get_module(plugin));
break;
case PROP_LOAD_FUNC:
g_value_set_pointer(value,
gplugin_python_plugin_get_load_func(plugin));
break;
case PROP_UNLOAD_FUNC:
g_value_set_pointer(value,
gplugin_python_plugin_get_unload_func(plugin));
break;
/* overrides */
case PROP_FILENAME:
g_value_set_string(value, priv->filename);
break;
case PROP_LOADER:
g_value_set_object(value, priv->loader);
break;
case PROP_INFO:
g_value_set_object(value, priv->info);
break;
case PROP_STATE:
g_value_set_enum(value, priv->state);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
break;
}
}
static void
gplugin_python_plugin_set_property(GObject *obj, guint param_id,
const GValue *value, GParamSpec *pspec)
{
GPluginPythonPlugin *plugin = GPLUGIN_PYTHON_PLUGIN(obj);
GPluginPythonPluginPrivate *priv = gplugin_python_plugin_get_instance_private(plugin);
switch(param_id) {
case PROP_MODULE:
gplugin_python_plugin_set_module(plugin,
g_value_get_pointer(value));
break;
case PROP_LOAD_FUNC:
gplugin_python_plugin_set_load_func(plugin,
g_value_get_pointer(value));
break;
case PROP_UNLOAD_FUNC:
gplugin_python_plugin_set_unload_func(plugin,
g_value_get_pointer(value));
break;
/* overrides */
case PROP_FILENAME:
priv->filename = g_strdup(g_value_get_string(value));
break;
case PROP_LOADER:
priv->loader = g_object_ref(g_value_get_object(value));
break;
case PROP_INFO:
priv->info = g_object_ref(g_value_get_object(value));
break;
case PROP_STATE:
priv->state = g_value_get_enum(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
break;
}
}
static void
gplugin_python_plugin_finalize(GObject *obj) {
GPluginPythonPluginPrivate *priv = gplugin_python_plugin_get_instance_private(GPLUGIN_PYTHON_PLUGIN(obj));
if(priv->module)
Py_DECREF(priv->module);
if(priv->load)
Py_DECREF(priv->load);
if(priv->unload)
Py_DECREF(priv->unload);
g_free(priv->filename);
g_object_unref(G_OBJECT(priv->loader));
g_object_unref(G_OBJECT(priv->info));
G_OBJECT_CLASS(gplugin_python_plugin_parent_class)->finalize(obj);
}
static void
gplugin_python_plugin_init(GPluginPythonPlugin *plugin) {
}
static void
gplugin_python_plugin_class_finalize(GPluginPythonPluginClass *klass) {
}
static void
gplugin_python_plugin_class_init(GPluginPythonPluginClass *klass) {
GObjectClass *obj_class = G_OBJECT_CLASS(klass);
obj_class->get_property = gplugin_python_plugin_get_property;
obj_class->set_property = gplugin_python_plugin_set_property;
obj_class->finalize = gplugin_python_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_python_plugin_register(GPluginNativePlugin *native) {
gplugin_python_plugin_register_type(G_TYPE_MODULE(native));
}