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/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
/*
* Copyright (c) 2008 litl, LLC
* Copyright (c) 2012 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <config.h>
#include "gtype.h"
#include <gjs/gjs-module.h>
#include <gjs/compat.h>
#include <util/log.h>
#include <jsapi.h>
#include <girepository.h>
GJS_DEFINE_PROTO_ABSTRACT("GIRepositoryGType", gtype);
/* priv_from_js adds a "*", so this returns "void *" */
GJS_DEFINE_PRIV_FROM_JS(void, gjs_gtype_class);
static GQuark
gjs_get_gtype_wrapper_quark(void)
{
static gsize once_init = 0;
static GQuark value = 0;
if (g_once_init_enter(&once_init)) {
value = g_quark_from_string("gjs-gtype-wrapper");
g_once_init_leave(&once_init, 1);
}
return value;
}
static void
gjs_gtype_finalize(JSContext *context,
JSObject *obj)
{
GType gtype = GPOINTER_TO_SIZE(priv_from_js(context, obj));
/* proto doesn't have a private set */
if (G_UNLIKELY(gtype == 0))
return;
g_type_set_qdata(gtype, gjs_get_gtype_wrapper_quark(), NULL);
}
static JSBool
to_string_func(JSContext *context,
uintN argc,
jsval *vp)
{
JSObject *obj = JS_THIS_OBJECT(context, vp);
GType gtype;
gchar *strval;
JSBool ret;
jsval retval;
gtype = GPOINTER_TO_SIZE(priv_from_js(context, obj));
strval = g_strdup_printf("[object GType for '%s']",
g_type_name(gtype));
ret = gjs_string_from_utf8(context, strval, -1, &retval);
if (ret)
JS_SET_RVAL(context, vp, retval);
g_free(strval);
return ret;
}
static JSBool
get_name_func (JSContext *context,
JSObject *obj,
jsid id,
jsval *vp)
{
GType gtype;
JSBool ret;
jsval retval;
gtype = GPOINTER_TO_SIZE(priv_from_js(context, obj));
ret = gjs_string_from_utf8(context, g_type_name(gtype), -1, &retval);
if (ret)
JS_SET_RVAL(context, vp, retval);
return ret;
}
/* Properties */
static JSPropertySpec gjs_gtype_proto_props[] = {
{ "name", 0, JSPROP_READONLY | JSPROP_PERMANENT | JSPROP_SHARED, (JSPropertyOp)get_name_func, NULL },
{ NULL },
};
/* Functions */
static JSFunctionSpec gjs_gtype_proto_funcs[] = {
{ "toString", (JSNative)to_string_func, 0, 0 },
{ NULL },
};
JSObject *
gjs_gtype_create_gtype_wrapper (JSContext *context,
GType gtype)
{
JSObject *object;
JSObject *global;
JS_BeginRequest(context);
/* put constructor for GIRepositoryGType() in the global namespace */
global = gjs_get_import_global(context);
gjs_gtype_create_proto(context, global, "GIRepositoryGType", NULL);
object = g_type_get_qdata(gtype, gjs_get_gtype_wrapper_quark());
if (object != NULL)
goto out;
object = JS_NewObject(context, &gjs_gtype_class, NULL, NULL);
if (object == NULL)
goto out;
JS_SetPrivate(context, object, GSIZE_TO_POINTER(gtype));
g_type_set_qdata(gtype, gjs_get_gtype_wrapper_quark(), object);
out:
JS_EndRequest(context);
return object;
}
GType
gjs_gtype_get_actual_gtype (JSContext *context,
JSObject *object)
{
GType gtype = G_TYPE_INVALID;
jsval gtype_val = JSVAL_VOID;
JS_BeginRequest(context);
if (JS_InstanceOf(context, object, &gjs_gtype_class, NULL)) {
gtype = GPOINTER_TO_SIZE(priv_from_js(context, object));
goto out;
}
/* OK, we don't have a GType wrapper object -- grab the "$gtype"
* property on that and hope it's a GType wrapper object */
if (!JS_GetProperty(context, object, "$gtype", >ype_val) ||
!JSVAL_IS_OBJECT(gtype_val)) {
/* OK, so we're not a class. But maybe we're an instance. Check
for "constructor" and recurse on that. */
if (!JS_GetProperty(context, object, "constructor", >ype_val))
goto out;
}
if (JSVAL_IS_OBJECT(gtype_val))
gtype = gjs_gtype_get_actual_gtype(context, JSVAL_TO_OBJECT(gtype_val));
out:
JS_EndRequest(context);
return gtype;
}
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