gplugin/gplugin
Clone
Summary
Browse
Changes
Graph
closing this branch as there is no demand for this
feature/gjs-cc
17 months ago, Gary Kramlich
19f9798d59f3
closing this branch as there is no demand for this
/*
* 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
"gplugin-gjs-loader.h"
#include
"gplugin-gjs-plugin.h"
#include
<glib/gi18n.h>
#include
<gjs/gjs.h>
#include
<jsapi.h>
/******************************************************************************
* Globals
*****************************************************************************/
static
GObjectClass
*
parent_class
=
NULL
;
static
GType
type_real
=
0
;
/******************************************************************************
* Helpers
*****************************************************************************/
static
gboolean
_gplugin_gjs_loader_eval_file
(
GjsContext
*
ctx
,
const
gchar
*
filename
,
GError
**
error
)
{
gint
exit_code
=
0
;
if
(
!
gjs_context_eval_file
(
ctx
,
filename
,
&
exit_code
,
error
))
{
return
FALSE
;
}
return
exit_code
==
0
;
}
/******************************************************************************
* GPluginLoaderInterface API
*****************************************************************************/
static
GSList
*
gplugin_gjs_loader_class_supported_extensions
(
GPLUGIN_UNUSED
const
GPluginLoaderClass
*
klass
)
{
return
g_slist_append
(
NULL
,
(
gpointer
)
"js"
);
}
static
GPluginPlugin
*
gplugin_gjs_loader_query
(
GPluginLoader
*
loader
,
const
gchar
*
filename
,
GError
**
error
)
{
GObject
*
gobj
=
NULL
;
GPluginPluginInfo
*
info
=
NULL
;
GjsContext
*
context
=
NULL
;
JSContext
*
cx
=
NULL
;
JSObject
*
jsobj
=
NULL
;
context
=
gjs_context_new
();
if
(
!
_gplugin_gjs_loader_eval_file
(
context
,
filename
,
error
))
{
g_object_unref
(
G_OBJECT
(
context
));
return
NULL
;
}
cx
=
(
JSContext
*
)
gjs_context_get_native_context
(
context
);
/* now call the query function */
JS
::
RootedValue
rval
(
cx
);
JS
::
AutoValueArray
<
0
>
argv
(
cx
);
if
(
!
JS_CallFunctionName
(
cx
,
NULL
,
"gplugin_query"
,
argv
,
&
rval
))
{
if
(
error
)
{
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"Failed to call the query function"
);
}
g_object_unref
(
G_OBJECT
(
context
));
return
NULL
;
}
/* now grab the plugin info */
if
(
!
JS_ValueToObject
(
cx
,
rval
,
&
jsobj
))
{
if
(
error
)
{
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"Query function did not return a GObject"
);
}
g_object_unref
(
G_OBJECT
(
context
));
return
NULL
;
}
gobj
=
gjs_g_object_from_object
(
cx
,
jsobj
);
if
(
!
GPLUGIN_IS_PLUGIN_INFO
(
gobj
))
{
if
(
error
)
{
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"Query function did not return a "
"GPluginPluginInfo object"
);
}
g_object_unref
(
G_OBJECT
(
context
));
return
NULL
;
}
info
=
GPLUGIN_PLUGIN_INFO
(
gobj
);
return
(
GPluginPlugin
*
)
g_object_new
(
GPLUGIN_TYPE_GJS_PLUGIN
,
"filename"
,
filename
,
"loader"
,
loader
,
"info"
,
info
,
"context"
,
context
,
"global"
,
scope
,
NULL
);
}
static
gboolean
gplugin_gjs_loader_load_unload
(
GPLUGIN_UNUSED
GPluginLoader
*
loader
,
GPluginPlugin
*
plugin
,
gboolean
load
,
GPLUGIN_UNUSED
GError
**
error
)
{
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"unimplemented"
)
return
FALSE
;
}
static
gboolean
gplugin_gjs_loader_load
(
GPluginLoader
*
loader
,
GPluginPlugin
*
plugin
,
GError
**
error
)
{
return
gplugin_gjs_loader_load_unload
(
loader
,
plugin
,
TRUE
,
error
);
}
static
gboolean
gplugin_gjs_loader_unload
(
GPluginLoader
*
loader
,
GPluginPlugin
*
plugin
,
GError
**
error
)
{
return
gplugin_gjs_loader_load_unload
(
loader
,
plugin
,
FALSE
,
error
);
}
/******************************************************************************
* GObject Stuff
*****************************************************************************/
static
void
gplugin_gjs_loader_class_init
(
GPluginGjsLoaderClass
*
klass
)
{
GPluginLoaderClass
*
loader_class
=
GPLUGIN_LOADER_CLASS
(
klass
);
parent_class
=
(
GObjectClass
*
)
g_type_class_peek_parent
(
klass
);
loader_class
->
supported_extensions
=
gplugin_gjs_loader_class_supported_extensions
;
loader_class
->
query
=
gplugin_gjs_loader_query
;
loader_class
->
load
=
gplugin_gjs_loader_load
;
loader_class
->
unload
=
gplugin_gjs_loader_unload
;
}
/******************************************************************************
* API
*****************************************************************************/
void
gplugin_gjs_loader_register
(
GPluginNativePlugin
*
plugin
)
{
if
(
g_once_init_enter
(
&
type_real
))
{
GType
type
=
0
;
static
GTypeInfo
info
;
info
.
class_size
=
sizeof
(
GPluginGjsLoaderClass
);
info
.
class_init
=
(
GClassInitFunc
)
gplugin_gjs_loader_class_init
;
info
.
instance_size
=
sizeof
(
GPluginGjsLoader
);
type
=
gplugin_native_plugin_register_type
(
plugin
,
GPLUGIN_TYPE_LOADER
,
"GPluginGjsLoader"
,
&
info
,
(
GTypeFlags
)
0
);
g_once_init_leave
(
&
type_real
,
type
);
}
}
GType
gplugin_gjs_loader_get_type
(
void
)
{
if
(
G_UNLIKELY
(
type_real
==
0
))
{
g_warning
(
"gplugin_gjs_loader_get_type was called before "
"the type was registered!
\n
"
);
}
return
type_real
;
}