//
// InstallTriggerGlobal class initialization
//
nsresult NS_InitInstallTriggerGlobalClass(nsIScriptContext *aContext, void **aPrototype)
{
  JSContext *jscontext = (JSContext *)aContext->GetNativeContext();
  JSObject *proto = nsnull;
  JSObject *constructor = nsnull;
  JSObject *global = JS_GetGlobalObject(jscontext);
  jsval vp;

  if ((PR_TRUE != JS_LookupProperty(jscontext, global, "InstallTriggerGlobal", &vp)) ||
      !JSVAL_IS_OBJECT(vp) ||
      ((constructor = JSVAL_TO_OBJECT(vp)) == nsnull) ||
      (PR_TRUE != JS_LookupProperty(jscontext, JSVAL_TO_OBJECT(vp), "prototype", &vp)) ||
      !JSVAL_IS_OBJECT(vp))
  {
    nsresult rv = InitInstallTriggerGlobalClass(jscontext, global, (void**)&proto);
    if (NS_FAILED(rv)) return rv;
  }
  else if ((nsnull != constructor) && JSVAL_IS_OBJECT(vp))
  {
    proto = JSVAL_TO_OBJECT(vp);
  }
  else
  {
    return NS_ERROR_FAILURE;
  }

  if (aPrototype)
    *aPrototype = proto;

  return NS_OK;
}
Esempio n. 2
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GF_EXPORT
GF_Err gf_webvtt_js_removeCues(GF_Node *node)
{
	GF_Err e;
	JSBool found;
	JSContext *c = node->sgprivate->scenegraph->svg_js->js_ctx;
	JSObject *global = node->sgprivate->scenegraph->svg_js->global;
	jsval fun_val;

	gf_sg_lock_javascript(c, GF_TRUE);
	found = JS_LookupProperty(c, global, "removeCues", &fun_val);
	if (!found || JSVAL_IS_VOID(fun_val) || !JSVAL_IS_OBJECT(fun_val) ) {
		e = GF_BAD_PARAM;
	} else {
		JSBool ret;
		uintN attr;
		ret = JS_GetPropertyAttributes(c, global, "removeCues", &attr, &found);
		if (ret == JS_TRUE && found == JS_TRUE) {
			jsval rval;
			ret = JS_CallFunctionValue(c, global, fun_val, 0, NULL, &rval);
			if (ret == JS_TRUE) {
				e = GF_OK;
			} else {
				e = GF_BAD_PARAM;
			}
		} else {
			e = GF_BAD_PARAM;
		}
	}
	gf_sg_lock_javascript(c, GF_FALSE);
	return e;
}
Esempio n. 3
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static JSBool SMJS_FUNCTION(widget_invoke_message)
{
	jsval oval;
	GF_WidgetMessage *msg = NULL;
	SMJS_OBJ
	SMJS_ARGS
	GF_WidgetInterfaceInstance *bifce = (GF_WidgetInterfaceInstance *)SMJS_GET_PRIVATE(c, obj);
	if (!bifce) return JS_FALSE;

	SMJS_SET_RVAL( JSVAL_NULL );

	if (!JSVAL_IS_OBJECT(argv[0])) return JS_FALSE;
	if (JSVAL_IS_NULL(argv[0])) return JS_FALSE;
	msg = (GF_WidgetMessage *)SMJS_GET_PRIVATE(c, JSVAL_TO_OBJECT(argv[0]) );
	if (!msg) return JS_FALSE;

	/*look for JS Callback "invoke" in the widget manager script*/
	if (JS_LookupProperty(c, bifce->ifce->obj, "invoke", &oval)==JS_TRUE) {
		if (JSVAL_IS_OBJECT(oval)) {
			JS_CallFunctionValue(bifce->wid->widget->wm->ctx, bifce->ifce->obj, oval, argc, argv, SMJS_GET_RVAL );
		}
	}

	return JS_TRUE;
}
Esempio n. 4
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static JSBool DriverManager_getDriver(JSContext *cx, unsigned argc, jsval *vp)
{
	jsval drivers;
	JS_LookupProperty(cx, JS_THIS_OBJECT(cx, vp), "drivers", &drivers);
	// FIXME check return code; check that drivers is an array
	JSObject *obj = JSVAL_TO_OBJECT(drivers);

	uint32_t len, i;
	JS_GetArrayLength(cx, obj, &len);

	for (i = 0; i < len; i++) {
		jsval driver, rval;
		jsval acceptsURL_argv[] = {JS_ARGV(cx, vp)[0]};

		JS_GetElement(cx, obj, i, &driver);
		JS_CallFunctionName(cx, JSVAL_TO_OBJECT(driver), "acceptsURL", 1, &acceptsURL_argv[0], &rval); // FIXME check return value

		JSBool acceptsURL;
		JS_ValueToBoolean(cx, rval, &acceptsURL); // FIXME check ret val
		if (acceptsURL) {
			JS_SET_RVAL(cx, vp, driver);
			return JS_TRUE;
		}
	}

	JS_ReportError(cx, "No suitable driver");
	JS_SET_RVAL(cx, vp, JSVAL_NULL);
	return JS_FALSE;
}
Esempio n. 5
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/* |callee| requires a usage string provided by JS_DefineFunctionsWithHelp. */
void
ReportUsageError(JSContext *cx, JSObject *callee, const char *msg)
{
    const char *usageStr = "usage";
    PropertyName *usageAtom = js_Atomize(cx, usageStr, strlen(usageStr))->asPropertyName();
    DebugOnly<Shape *> shape = callee->nativeLookup(cx, NameToId(usageAtom));
    JS_ASSERT(!shape->configurable());
    JS_ASSERT(!shape->writable());
    JS_ASSERT(shape->hasDefaultGetter());

    jsval usage;
    if (!JS_LookupProperty(cx, callee, "usage", &usage))
        return;

    if (JSVAL_IS_VOID(usage)) {
        JS_ReportError(cx, "%s", msg);
    } else {
        JSString *str = JSVAL_TO_STRING(usage);
        JS::Anchor<JSString *> a_str(str);
        const jschar *chars = JS_GetStringCharsZ(cx, str);
        if (!chars)
            return;
        JS_ReportError(cx, "%s. Usage: %hs", msg, chars);
    }
}
Esempio n. 6
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static JSObject *
define_JavaPackage(JSContext *cx, JSObject *parent_obj,
                   const char *obj_name, const char *path, int flags, int access)
{
    JSObject *package_obj, *obj;
    JavaPackage_Private *package;
    jsval v;

    /*
     * Expose the same JSObject for Packages.java and java.
     * "java" will be defined during the java package initialization stage.
     * "Packages.java" will be lazily resolved by JavaPackage_resolve.
     * Ditto for sun and netscape.
     * See bugzilla bug: https://bugzilla.mozilla.org/show_bug.cgi?id=248409.
     */
    if (!strcmp(obj_name, path) &&
        (obj = JS_GetParent(cx, parent_obj)) &&
        JS_LookupProperty(cx, obj, obj_name, &v) &&
        !JSVAL_IS_PRIMITIVE(v))
    {
        if (!JS_DefineProperty(cx, parent_obj, obj_name, v, NULL, NULL,
                               JSPROP_PERMANENT | access)) {
            return NULL;
        }

        package_obj = JSVAL_TO_OBJECT(v);
        return package_obj;
    }

    package_obj = JS_DefineObject(cx, parent_obj, obj_name, &JavaPackage_class,
                                  0, JSPROP_PERMANENT | access);
    
    if (!package_obj)
        return NULL;
    
    /* Attach private, native data to the JS object */
    package = (JavaPackage_Private *)JS_malloc(cx, sizeof(JavaPackage_Private));
    if (!package) {
        JS_DeleteProperty(cx, parent_obj, obj_name);
        return NULL;
    }
    JS_SetPrivate(cx, package_obj, (void *)package);
    if (path)
        package->path = JS_strdup(cx, path);
    else
        package->path = "";

    package->flags = flags;

    /* Check for OOM */
    if (!package->path) {
        JS_DeleteProperty(cx, parent_obj, obj_name);
        JS_free(cx, package);
        return NULL;
    }

    return package_obj;
}
///// JavaScript Initialization Method
JSObject *ofxJSTrueTypeFont::JSInit(JSContext *cx, JSObject *obj) {
    if (obj==NULL)
        obj = JS_GetGlobalObject(cx);
    jsval oldobj;
    if (JS_TRUE == JS_LookupProperty(cx, obj, ofxJSTrueTypeFont::_jsClass.name, &oldobj) && JSVAL_IS_OBJECT(oldobj))
        return JSVAL_TO_OBJECT(oldobj);
    return JS_InitClass(cx, obj, NULL, &ofxJSTrueTypeFont::_jsClass,
                        ofxJSTrueTypeFont::JSConstructor, 0,
                        NULL, ofxJSTrueTypeFont::_JSFunctionSpec,
                        NULL, NULL);
}
Esempio n. 8
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static JSBool DriverManager_getConnection(JSContext *cx, unsigned argc, jsval *vp)
{
	jsval drivers;
	JS_LookupProperty(cx, JS_THIS_OBJECT(cx, vp), "drivers", &drivers);
	// FIXME check return code; check that drivers is an array
	JSObject *obj = JSVAL_TO_OBJECT(drivers);

	uint32_t len, i;
	JS_GetArrayLength(cx, obj, &len);


	jsval connect_argv[2] = {JS_ARGV(cx, vp)[0]};
	if (argc == 2) {
		/* Caller passed "info" object, so we forward it as-is */
		connect_argv[1] = JS_ARGV(cx, vp)[1];
	} else {
		JSObject *info = JS_NewObject(cx, NULL, NULL, NULL); // FIXME root it to avoid GC
		if (argc > 1)
			JS_DefineProperty(cx, info, "user", JS_ARGV(cx, vp)[1], NULL, NULL, JSPROP_ENUMERATE);
		if (argc > 2)
			JS_DefineProperty(cx, info, "password", JS_ARGV(cx, vp)[2], NULL, NULL, JSPROP_ENUMERATE);

		connect_argv[1] = OBJECT_TO_JSVAL(info);
	};

	jsval reason = JSVAL_NULL;
	for (i = 0; i < len; i++) {
		jsval driver, rval;
		JS_GetElement(cx, obj, i, &driver);

		if (!JS_CallFunctionName(cx, JSVAL_TO_OBJECT(driver), "connect", 2, &connect_argv[0], &rval)) {
			if (JSVAL_IS_NULL(reason))
				JS_GetPendingException(cx, &reason);
			continue;
		}
		if (JSVAL_IS_NULL(rval))
			continue;
		JS_SET_RVAL(cx, vp, rval);
		return JS_TRUE;
	}

	if (JSVAL_IS_NULL(reason)) {
		JSString *url_str = JS_ValueToString(cx, JS_ARGV(cx, vp)[0]);
		// FIXME check return value
		// FIXME root url_str (protect from GC) -> https://developer.mozilla.org/en-US/docs/SpiderMonkey/JSAPI_Reference/JS_ValueToString
		char *url = JS_EncodeString(cx, url_str);
		JS_ReportError(cx, "No suitable driver found for %s", url);
		JS_free(cx, url);
	} else
		JS_SetPendingException(cx, reason);

	JS_SET_RVAL(cx, vp, JSVAL_NULL);
	return JS_FALSE;
}
Esempio n. 9
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static JSBool DriverManager_registerDriver(JSContext *cx, unsigned argc, jsval *vp)
{
	jsval drivers;
	JS_LookupProperty(cx, JS_THIS_OBJECT(cx, vp), "drivers", &drivers);
	// FIXME check return code; check that drivers is an array
	JSObject *obj = JSVAL_TO_OBJECT(drivers);

	uint32_t len;
	JS_GetArrayLength(cx, obj, &len);
	JS_SetElement(cx, obj, len, JS_ARGV(cx, vp));

	JS_SET_RVAL(cx, vp, JSVAL_NULL);
	return JS_TRUE;
}
Esempio n. 10
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JSBool SMJS_FUNCTION(widget_get_attention)
{
	jsval fval;
	SMJS_OBJ
	GF_WidgetInstance *wid = (GF_WidgetInstance *)SMJS_GET_PRIVATE(c, obj);
	if (!wid) return JS_TRUE;

	if ((JS_LookupProperty(c, wid->widget->wm->obj, "getAttention", &fval)==JS_TRUE) && JSVAL_IS_OBJECT(fval)) {
		jsval args[1];
		args[0] = OBJECT_TO_JSVAL(wid->obj);
		JS_CallFunctionValue(c, wid->widget->wm->obj, fval, 1, args, SMJS_GET_RVAL);
	}
	return JS_TRUE;
}
Esempio n. 11
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static JSBool
perlsub_construct(
    JSContext *cx,
    DEFJSFSARGS_
) {
    dTHX;
    DECJSFSARGS;
    JSObject *func = JSVAL_TO_OBJECT(JS_ARGV_CALLEE(argv));
    SV *callee = (SV *)JS_GetPrivate(cx, func);
    SV *caller = NULL;
#if JS_VERSION < 185
    JSObject *This = JSVAL_TO_OBJECT(argv[-1]);
#else
    JSObject *This = JS_NewObjectForConstructor(cx, vp);
#endif
    JSObject *proto = JS_GetPrototype(cx, This);

    PJS_DEBUG1("Want construct, This is a %s", PJS_GET_CLASS(cx, This)->name);
    if(PJS_GET_CLASS(cx, proto) == &perlpackage_class ||
       ( JS_LookupProperty(cx, func, "prototype", &argv[-1])
         && JSVAL_IS_OBJECT(argv[-1]) && !JSVAL_IS_NULL(argv[-1])
         && (proto = JS_GetPrototype(cx, JSVAL_TO_OBJECT(argv[-1]))) 
         && strEQ(PJS_GET_CLASS(cx, proto)->name, PJS_PACKAGE_CLASS_NAME))
    ) {
	SV *rsv = NULL;
	char *pkgname = PJS_GetPackageName(aTHX_ cx, proto);
#if JS_VERSION >= 185
	JSAutoByteString bytes;
	bytes.initBytes(pkgname);
#endif
	caller = newSVpv(pkgname, 0);

	argv[-1] = OBJECT_TO_JSVAL(This);
	if(!PJS_Call_sv_with_jsvals_rsv(aTHX_ cx, obj, callee, caller,
	                                argc, argv, &rsv, G_SCALAR))
	    return JS_FALSE;

	if(SvROK(rsv) && sv_derived_from(rsv, pkgname)) {
	    JSObject *newobj = PJS_NewPerlObject(aTHX_ cx, JS_GetParent(cx, func), rsv);
	    *rval = OBJECT_TO_JSVAL(newobj);
	    return JS_TRUE;
	}
	JS_ReportError(cx, "%s's constructor don't return an object",
	               SvPV_nolen(caller));
    }
    else JS_ReportError(cx, "Can't use as a constructor"); // Yet! ;-)

    return JS_FALSE;
}
Esempio n. 12
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void widget_on_interface_bind(GF_WidgetInterfaceInstance *ifce, Bool unbind)
{
	jsval funval, rval, argv[1];

	const char *fun_name = unbind ? "onInterfaceUnbind" : "onInterfaceBind";
	if (!ifce || !ifce->wid || !ifce->wid->scene_context) return;

	/*look for JS Callback "invoke" in the widget manager script*/
	if (JS_LookupProperty(ifce->wid->scene_context, ifce->wid->scene_obj, fun_name, &funval)!=JS_TRUE) 
		return;
	if (!JSVAL_IS_OBJECT(funval)) return;

	widget_interface_js_bind(ifce->wid->widget->wm->ctx, ifce);
	argv[0] = OBJECT_TO_JSVAL(ifce->obj);
	JS_CallFunctionValue(ifce->wid->widget->wm->ctx, ifce->ifce->obj, funval, 1, argv, &rval);

}
// JavaScript Initialization Method
JSObject *JSDOMProcessingInstruction::JSInit(JSContext *cx, JSObject *obj) {
  if (obj==NULL)
    obj = JS_GetGlobalObject(cx);

  jsval oldobj;
  if (JS_TRUE == JS_LookupProperty(cx, obj, JSDOMProcessingInstruction::_jsClass.name, &oldobj) && JSVAL_IS_OBJECT(oldobj))
    return JSVAL_TO_OBJECT(oldobj);

  JSObject *newobj = JS_InitClass(cx, obj, NULL, &JSDOMProcessingInstruction::_jsClass,
                                  NULL, 0,
                                  JSDOMProcessingInstruction::_JSPropertySpec, NULL,
                                  NULL, NULL);
  if (newobj) {
    InitNodeObject(cx, newobj);
  }

  return newobj;
}
Esempio n. 14
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JSBool
perlsub_as_constructor(
    JSContext *cx,
    JSObject *obj,
    pjsid id,
    DEFSTRICT_
    jsval *vp
) {
    // dTHX;
    const char *key;

    if(!PJSID_IS(STRING, id)) {
	return JS_TRUE;
    }

#if JS_VERSION < 185
    key = JS_GetStringBytes(PJSID_TO(STRING, id));
#else
    JSAutoByteString bytes(cx, PJSID_TO(STRING, id));
    key = bytes.ptr();
#endif

    if(strEQ(key, "constructor")) {
	JSObject *constructor;
	if(JSVAL_IS_OBJECT(*vp) && (constructor = JSVAL_TO_OBJECT(*vp)) &&  
	   PJS_GET_CLASS(cx, constructor) == &perlsub_class) {
	    /* TODO: Change the constructor 'name' */
	    jsval temp;
	    JSObject *stash = JS_GetPrototype(cx, obj);
	    JS_SetPrototype(cx, stash, JS_GetPrototype(cx, constructor));
	    JS_SetPrototype(cx, constructor, stash);
	    JS_DefineProperty(cx, constructor, "prototype", OBJECT_TO_JSVAL(obj),
		              NULL, NULL, 0);
	    JS_LookupProperty(cx, obj, "__PACKAGE__", &temp);
	    // warn("Constructor set for %s\n", JS_GetStringBytes(JSVAL_TO_STRING(temp)));
	    return JS_TRUE;
	} else {
	    JS_ReportError(cx, "Invalid constructor type");
	    return JS_FALSE;
	}
    } else
	warn ("Opps: setting %s?\n", key);
    return JS_TRUE;
}
Esempio n. 15
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// JavaScript Initialization Method
JSObject *JSDOMText::JSInit(JSContext *cx, JSObject *obj) {
	if (obj==NULL)
		obj = JS_GetGlobalObject(cx);

	jsval oldobj;
	if (JS_TRUE == JS_LookupProperty(cx, obj, JSDOMText::_jsClass.name, &oldobj) && JSVAL_IS_OBJECT(oldobj))
		return JSVAL_TO_OBJECT(oldobj);

	JSObject *newobj = JS_InitClass(cx, obj, NULL, &JSDOMText::_jsClass,
    	                                 NULL, 0,
    	                                 NULL, NULL,
    	                                 NULL, NULL);

	if (newobj) {
		InitCharacterDataObject(cx, newobj);
	}

	return newobj;
}
Esempio n. 16
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GF_EXPORT
GF_Err gf_webvtt_js_addCue(GF_Node *node, const char *id,
                           const char *start, const char *end,
                           const char *settings,
                           const char *payload)
{
	GF_Err e;
	JSBool found;
	JSContext *c = node->sgprivate->scenegraph->svg_js->js_ctx;
	JSObject *global = node->sgprivate->scenegraph->svg_js->global;
	jsval fun_val;

	gf_sg_lock_javascript(c, GF_TRUE);
	found = JS_LookupProperty(c, global, "addCue", &fun_val);
	if (!found || JSVAL_IS_VOID(fun_val) || !JSVAL_IS_OBJECT(fun_val) ) {
		e = GF_BAD_PARAM;
	} else {
		JSBool ret;
		uintN attr;
		ret = JS_GetPropertyAttributes(c, global, "addCue", &attr, &found);
		if (ret == JS_TRUE && found == JS_TRUE) {
			jsval rval;
			jsval argv[5];
			argv[0] = STRING_TO_JSVAL( JS_NewStringCopyZ(c, (id ? id : "")) );
			argv[1] = STRING_TO_JSVAL( JS_NewStringCopyZ(c, (start ? start : "")) );
			argv[2] = STRING_TO_JSVAL( JS_NewStringCopyZ(c, (end ? end : "")) );
			argv[3] = STRING_TO_JSVAL( JS_NewStringCopyZ(c, (settings ? settings : "")) );
			argv[4] = STRING_TO_JSVAL( JS_NewStringCopyZ(c, (payload ? payload : "")) );

			ret = JS_CallFunctionValue(c, global, fun_val, 5, argv, &rval);
			//ret = JS_CallFunctionName(c, global, "addCue", 5, argv, &rval);
			if (ret == JS_TRUE) {
				e = GF_OK;
			} else {
				e = GF_BAD_PARAM;
			}
		} else {
			e = GF_BAD_PARAM;
		}
	}
	gf_sg_lock_javascript(c, GF_FALSE);
	return e;
}
Esempio n. 17
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// JavaScript Initialization Method
JSObject *JSDOMDocument::JSInit(JSContext *cx, JSObject *obj)
{
    if (voiceglue_loglevel() >= LOG_DEBUG)
	voiceglue_log ((char) LOG_DEBUG, "JSDOMDocument::JSInit() started");

   if (obj==NULL)
      obj = JS_GetGlobalObject(cx);

   jsval oldobj;
   if (JS_TRUE == JS_LookupProperty
       (cx, obj, JSDOMDocument::_jsClass.name, &oldobj) &&
       JSVAL_IS_OBJECT(oldobj))
   {
    if (voiceglue_loglevel() >= LOG_DEBUG)
	voiceglue_log ((char) LOG_DEBUG,
		       "Returning previous JSDOMDocument object");
      return JSVAL_TO_OBJECT(oldobj);
   };

   JSObject *newobj =
       JS_InitClass
       (cx, obj, NULL, &JSDOMDocument::_jsClass,
	NULL, 0,
	JSDOMDocument::_JSPropertySpec,
	JSDOMDocument::_JSFunctionSpec,
	NULL, NULL);

   if (newobj)
   {
    if (voiceglue_loglevel() >= LOG_DEBUG)
	voiceglue_log ((char) LOG_DEBUG,
		       "JS_InitClass(JSDOMDocument) OK, do: InitNodeObject()");
      InitNodeObject(cx, newobj);
   }
   else
   {
       if (voiceglue_loglevel() >= LOG_ERR)
	   voiceglue_log ((char) LOG_ERR,
			  "JS_InitClass(JSDOMDocument) failed");
   };

   return newobj;
}
Esempio n. 18
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JSBool SMJS_FUNCTION(widget_show_notification)
{
	jsval fval;
	SMJS_OBJ
	SMJS_ARGS
	GF_WidgetInstance *wid = (GF_WidgetInstance *)SMJS_GET_PRIVATE(c, obj);
	if (!wid) return JS_TRUE;

	if ((JS_LookupProperty(c, wid->widget->wm->obj, "showNotification", &fval)==JS_TRUE) && JSVAL_IS_OBJECT(fval)) {
		jsval *vars;
		u32 i;
		vars = gf_malloc(sizeof(jsval)*(argc+1));
		vars[0] = OBJECT_TO_JSVAL(wid->obj);
		for (i=0; i<argc; i++) 
			vars[i+1] = argv[i];

		JS_CallFunctionValue(c, wid->widget->wm->obj, fval, argc+1, vars, SMJS_GET_RVAL);
	}
	return JS_TRUE;
}
void DEBUG_CheckForComponentsInScope(JSContext* cx, JSObject* obj,
                                     JSObject* startingObj,
                                     JSBool OKIfNotInitialized,
                                     XPCJSRuntime* runtime)
{
    if(OKIfNotInitialized)
        return;

    if(!(JS_GetOptions(cx) & JSOPTION_PRIVATE_IS_NSISUPPORTS))
        return;

    const char* name = runtime->GetStringName(XPCJSRuntime::IDX_COMPONENTS);
    jsval prop;
    if(JS_LookupProperty(cx, obj, name, &prop) && !JSVAL_IS_PRIMITIVE(prop))
        return;

    // This is pretty much always bad. It usually means that native code is
    // making a callback to an interface implemented in JavaScript, but the
    // document where the JS object was created has already been cleared and the
    // global properties of that document's window are *gone*. Generally this
    // indicates a problem that should be addressed in the design and use of the
    // callback code.
    NS_ERROR("XPConnect is being called on a scope without a 'Components' property!  (stack and details follow)");
    printf("The current JS stack is:\n");
    xpc_DumpJSStack(cx, JS_TRUE, JS_TRUE, JS_TRUE);

    printf("And the object whose scope lacks a 'Components' property is:\n");
    js_DumpObject(startingObj);

    JSObject *p = startingObj;
    while(p->isWrapper())
    {
        p = p->getProxyPrivate().toObjectOrNull();
        if(!p)
            break;
        printf("which is a wrapper for:\n");
        js_DumpObject(p);
    }
}
void SG_jscore__check_module_dags(SG_context *pCtx, JSContext *cx, JSObject *glob, const char *reponame)
{
	jsval args[2];
	JSBool js_ok;
	jsval rval;
	JSString *pjs;
	jsval fo = JSVAL_VOID;

	if (gpJSCoreGlobalState->bSkipModules || (! gpJSCoreGlobalState->pPathToModules))
		return;

	SG_ERR_CHECK(  _sg_jscore__install_modules(pCtx, cx, glob, NULL)  );

	SG_JS_NULL_CHECK(  (pjs = JS_NewStringCopyZ(cx, reponame))  );

	args[0] = STRING_TO_JSVAL(pjs);

	SG_JS_NULL_CHECK(  (pjs = JS_NewStringCopyZ(cx, SG_pathname__sz(gpJSCoreGlobalState->pPathToModules)))  );

	args[1] = STRING_TO_JSVAL(pjs);

	if (! JS_LookupProperty(cx, glob, "checkModuleDags", &fo))
	{
		SG_ERR_CHECK_CURRENT;
		SG_ERR_THROW2(SG_ERR_JS, (pCtx, "lookup of checkModuleDags failed"));
	}

	if (!JSVAL_IS_VOID(fo))
	{
		js_ok = JS_CallFunctionName(cx, glob, "checkModuleDags", SG_NrElements(args), args, &rval);
		SG_ERR_CHECK_CURRENT;
		if(!js_ok)
			SG_ERR_THROW2(SG_ERR_JS, (pCtx, "An error occurred initializing modules: call to JavaScript checkModuleDags() failed"));
	}

 fail:
	;
}
Esempio n. 21
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static JSBool SMJS_FUNCTION(widget_call_message_reply_callback)
{
	JSObject *list;
	jsval *vals, fval;
	u32 i, count;
	SMJS_OBJ
	SMJS_ARGS
	GF_WidgetMessage *msg = SMJS_GET_PRIVATE(c, obj);
	if (!msg || !argc || !JSVAL_IS_OBJECT(argv[0]) ) return JS_FALSE;

	if ((JS_LookupProperty(c, obj, "replyCallback", &fval)==JS_TRUE) && JSVAL_IS_OBJECT(fval)) {
		list = JSVAL_TO_OBJECT(argv[0]);
		JS_GetArrayLength(c, list, (jsuint*) &count);
		vals = gf_malloc(sizeof(jsval)*(count+1));
		vals[0] = OBJECT_TO_JSVAL(obj);
		for (i=0; i<count; i++) {
			JS_GetElement(c, list, (jsint) i, &vals[i+1]);
		}
		JS_CallFunctionValue(c, obj, fval, count, vals, SMJS_GET_RVAL);
		gf_free(vals);
	}
	return JS_TRUE;
}
Esempio n. 22
0
void DEBUG_CheckForComponentsInScope(JSContext* cx, JSObject* obj,
                                     JSBool OKIfNotInitialized,
                                     XPCJSRuntime* runtime)
{
    if(OKIfNotInitialized)
        return;

    const char* name = runtime->GetStringName(XPCJSRuntime::IDX_COMPONENTS);
    jsval prop;
    if(JS_LookupProperty(cx, obj, name, &prop) && !JSVAL_IS_PRIMITIVE(prop))
        return;

    // This is pretty much always bad. It usually means that native code is
    // making a callback to an interface implemented in JavaScript, but the
    // document where the JS object was created has already been cleared and the
    // global properties of that document's window are *gone*. Generally this
    // indicates a problem that should be addressed in the design and use of the
    // callback code.
#ifdef I_FOOLISHLY_WANT_TO_IGNORE_THIS_LIKE_THE_OTHER_CRAP_WE_PRINTF
    NS_WARNING("XPConnect is being called on a scope without a 'Components' property!");
#else
    NS_ERROR("XPConnect is being called on a scope without a 'Components' property!");
#endif
}
Esempio n. 23
0
/* Wrap a JS value to export into perl
 * Returns a new SV, REFCNT_dec is caller's responsability
 */
JSBool
PJS_ReflectJS2Perl(
    pTHX_
    JSContext *cx,
    jsval value,
    SV** sv,
    int full
) {
    if(JSVAL_IS_PRIMITIVE(value)) {
	*sv = PrimJSVALToSV(aTHX_ cx, value);
	if(*sv) return JS_TRUE;
    }
    else if(JSVAL_IS_OBJECT(value)) {
	PJS_Context *pcx = PJS_GET_CONTEXT(cx);
	JSObject *object = JSVAL_TO_OBJECT(value);
	JSClass *clasp = PJS_GET_CLASS(cx, object);
	const char *classname = clasp->name;
	JSObject *passport;
	SV *wrapper;
	SV *box;
	char hkey[32];
	jsval temp = JSVAL_VOID;

	snprintf(hkey, 32, "%p", (void *)object);
	PJS_DEBUG2("Wrapping a %s(%s)\n", classname, hkey);

	if(PJS_getFlag(pcx, "ConvertRegExp") && strEQ(classname, "RegExp")) {
	    jsval src;
	    char *str;

	    if(JS_CallFunctionName(cx, object, "toSource", 0, NULL, &src) &&
	       (str = JS_GetStringBytes(JS_ValueToString(cx, src))) )
	    {
		dSP;
		SV *tmp = newSVpvf("qr%s", str);
		eval_sv(tmp, G_SCALAR);
		sv_free(tmp); // Don't leak
		SPAGAIN;
		tmp = POPs;
		PUTBACK;
		if(!SvTRUE(ERRSV)) {
		    *sv = SvREFCNT_inc_simple_NN(tmp);
		    return JS_TRUE;
		}
	    }
	    return JS_FALSE;
	}

	if(IS_PERL_CLASS(clasp)) {
	    /* IS_PERL_CLASS means actual perl object is there */
	    SV *priv = (SV *)JS_GetPrivate(cx, object);
	    if(priv && SvOK(priv) && SvROK(priv)) {
		*sv = SvREFCNT_inc_simple_NN(priv);
		return JS_TRUE;
	    }
	    croak("A private %s?!\n", classname);
	    return JS_FALSE;
	}

	/* Common JSObject case */

	/* Check registered perl visitors */
	JS_LookupProperty(cx, pcx->pvisitors, hkey, &temp);

	if(temp != JSVAL_VOID) {
	    /* Already registered, so exits a reference in perl space
	     * _must_ hold a PASSPORT */
	    assert(JSVAL_TO_OBJECT(temp) == object);
	    box = PJS_GetPassport(aTHX_ cx, object);
	    SvREFCNT_inc_void_NN(box); /* In perl should be one more */
	    PJS_DEBUG1("Cached!: %s\n", hkey);
	} else {
	    /* Check if with a PASSPORT */
	    JS_LookupPropertyWithFlags(cx, object, PJS_PASSPORT_PROP, 0, &temp);
	    if(JSVAL_IS_OBJECT(temp) && (passport = JSVAL_TO_OBJECT(temp)) &&
	       PJS_GET_CLASS(cx, passport) == &passport_class &&
	       JS_GetReservedSlot(cx, passport, 0, &temp) &&
	       object == (JSObject *)JSVAL_TO_PRIVATE(temp)
	    ) { /* Yes, reentering perl */
		box = (SV *)JS_GetPrivate(cx, passport);
		/* Here we don't increment refcount, the ownership in passport is 
		 * transferred to perl land.
		 */
		PJS_DEBUG1("Reenter: %s\n", hkey);
	    }
	    else { /* No, first time, must wrap the object */
		SV *boxref;
		const char *package;
		SV *robj = newSV(0);
		SV *rjsv = newSV(0);

		if (JS_ObjectIsFunction(cx, object))
		    package = PJS_FUNCTION_PACKAGE;
		else if(JS_IsArrayObject(cx, object))
		    package = PJS_ARRAY_PACKAGE;
		else if(strEQ(classname, PJS_PACKAGE_CLASS_NAME))
		    package = PJS_STASH_PACKAGE;
#if JS_HAS_XML_SUPPORT
		else if(strEQ(classname, "XML"))
		    package = PJS_XMLOBJ_PACKAGE;
#endif
		else if(strEQ(classname, "Error"))
		    package = PJS_ERROR_PACKAGE;
		else {
		    SV **sv = hv_fetch(get_hv(NAMESPACE"ClassMap", 1), classname, 
			               strlen(classname), 0);
		    if(sv) package = SvPV_nolen(*sv);
		    else package = PJS_OBJECT_PACKAGE;
		}

		sv_setref_pv(robj, PJS_RAW_OBJECT, (void*)object);
		sv_setref_iv(rjsv, PJS_RAW_JSVAL, (IV)value);
		boxref = PJS_CallPerlMethod(aTHX_ cx,
		    "__new",
		    sv_2mortal(newSVpv(package, 0)),	 // package
		    sv_2mortal(robj),			 // content
		    sv_2mortal(rjsv),			 // jsval
		    NULL
		);

		if(!boxref) return JS_FALSE;
		if(!SvOK(boxref) || !sv_derived_from(boxref, PJS_BOXED_PACKAGE))
		    croak("PJS_Assert: Contructor must return a "NAMESPACE"Boxed");

		/* Create a new PASSPORT */
		passport = JS_NewObject(cx, &passport_class, NULL, object);

		if(!passport ||
		   !JS_DefineProperty(cx, object, PJS_PASSPORT_PROP,
		                      OBJECT_TO_JSVAL(passport),
		                      NULL, NULL, JSPROP_READONLY | JSPROP_PERMANENT))
		    return JS_FALSE;
		box = SvRV(boxref);
		/* boxref is mortal, so we need to increment its rc, at end of
		 * scope, PASSPORT owns created box */
		JS_SetPrivate(cx, passport, (void *)SvREFCNT_inc_simple_NN(box));
		JS_SetReservedSlot(cx, passport, 0, PRIVATE_TO_JSVAL(object));
		PJS_DEBUG2("New boxed: %s brc: %d\n", hkey, SvREFCNT(box));
	    }

	    /* Root object adding it to pvisitors list, will be unrooted by
	     * jsc_free_root at Boxed DESTROY time
	     */
	    JS_DefineProperty(cx, pcx->pvisitors, hkey, value, NULL, NULL, 0);
	}
	/* Here the RC of box in PASSPORT reflects wrapper's ownership */

	if(full && PJS_getFlag(pcx, "AutoTie") &&
	   (strEQ(classname, "Object") || strEQ(classname, "Array"))
	) {
	    /* Return tied */
	    AV *avbox = (AV *)SvRV(box);
	    SV **last;
	    SV *tied;
	    SV *tier;
	    if(strEQ(classname, "Array")) {
		last = av_fetch(avbox, 6, 1);
		if(last && SvOK(*last) && SvROK(*last)) { // Cached
		    *sv = newSVsv(*last);
		    sv_free(box); /* Hard copy 'sv' owns the reference */
		    return JS_TRUE;
		}
		tied = (SV *)newAV();
	    } else { // Object
		last = av_fetch(avbox, 5, 1);
		if(last && SvOK(*last) && SvROK(*last)) { // Cached
		    *sv = newSVsv(*last);
		    sv_free(box); /* Hard copy 'sv' owns the reference */
		    return JS_TRUE;
		}
		tied = (SV *)newHV();
	    }
	    /* hv_magic below own a reference to box, we use an explicit path, 
	     * to make clear that to perl land only one reference is given
	     */
	    tier = newRV_inc(box);
	    hv_magic((HV *)tied, (GV *)tier, PERL_MAGIC_tied);
	    sv_free(tier);
	    wrapper = newRV_noinc(tied); /* Don't leak the hidden tied variable */
	    /* Save in cache a weaken copy, the cache itself dosn't hold a reference */
	    sv_setsv(*last, wrapper);
	    sv_rvweaken(*last);
	    PJS_DEBUG1("Return tied for %s\n", SvPV_nolen(tier));
	}
	else {    
	    wrapper = newRV_noinc(box); /* Transfer ownership to wrapper */
#if PERL_VERSION < 9
	    sv_bless(wrapper, SvSTASH(box)); 
#endif
	}
	*sv = wrapper;
	return JS_TRUE;
    }
    return JS_FALSE;
}
Esempio n. 24
0
nsresult WebCL_variantToImageFormat (JSContext *cx, nsIVariant* aVariant, cl_image_format& aResultOut)
{
  D_METHOD_START;
  NS_ENSURE_ARG_POINTER (aVariant);
  nsresult rv;

  PRUint16 variantType = 0;
  rv = aVariant->GetDataType (&variantType);
  if ( !(variantType == nsIDataType::VTYPE_INTERFACE
         || variantType == nsIDataType::VTYPE_INTERFACE_IS))
  {
    return NS_ERROR_INVALID_ARG;
  }

  if (!cx)
  {
    nsCOMPtr<nsIThreadJSContextStack> stack = do_GetService ("@mozilla.org/js/xpc/ContextStack;1", &rv);
    NS_ENSURE_SUCCESS (rv, rv);
    cx = stack->GetSafeJSContext ();
    NS_ENSURE_TRUE (cx, NS_ERROR_FAILURE);
  }
  nsCOMPtr<nsIXPConnect> xpc = do_GetService (nsIXPConnect::GetCID (), &rv);
  NS_ENSURE_SUCCESS (rv, rv);
  js::Value jsVal;
  rv = xpc->VariantToJS(cx, JS_GetGlobalObject(cx), aVariant, &jsVal);
  NS_ENSURE_SUCCESS (rv, rv);

  NS_ENSURE_TRUE (jsVal.isObject (), NS_ERROR_INVALID_ARG);

  JSObject* jsObj = jsVal.toObjectOrNull ();;
  if (jsObj && js::IsObjectProxy (jsObj))
  {
    jsObj = js::UnwrapObject (jsObj);
  }
  if (!jsObj)
  {
    return NS_ERROR_INVALID_ARG;
  }

  js::Value propChannelOrder;
  if (!JS_LookupProperty (cx, jsObj, "channelOrder", &propChannelOrder))
  {
    if (!JS_LookupProperty (cx, jsObj, "image_channel_order", &propChannelOrder))
    {
      D_LOG (LOG_LEVEL_ERROR, "Failed to read channel order property.");
      return NS_ERROR_INVALID_ARG;
    }
  }

  js::Value propChannelDataType;
  if (!JS_LookupProperty (cx, jsObj, "channelDataType", &propChannelDataType))
  {
    if (!JS_LookupProperty (cx, jsObj, "image_channel_data_type", &propChannelDataType))
    {
      D_LOG (LOG_LEVEL_ERROR, "Failed to read channel data type property.");
      return NS_ERROR_INVALID_ARG;
    }
  }

  aResultOut.image_channel_order = propChannelOrder.toInt32 ();
  aResultOut.image_channel_data_type = propChannelDataType.toInt32 ();
  return NS_OK;
}
Esempio n. 25
0
/*
 * Pre-define a hierarchy of JavaPackage objects.
 * Pre-defining a Java package at initialization time is not necessary, but
 * it will make package lookup faster and, more importantly, will avoid
 * unnecessary network accesses if classes are being loaded over the network.
 */
static JSBool
pre_define_java_packages(JSContext *cx, JSObject *global_obj,
                         JavaPackageDef *predefined_packages)
{
    JSBool package_exists;
    JSObject *parent_obj;
    JavaPackageDef *package_def;
    char *simple_name, *cp, *package_name, *path;
    int flags;

    if (!predefined_packages)
        return JS_TRUE;

    /* Iterate over all pre-defined Java packages */
    for (package_def = predefined_packages; package_def->name; package_def++) {
#if HAVE_STRTOK_R
	char *nextstr;
#endif
        package_name = path = NULL;

        parent_obj = global_obj;
        package_name = strdup(package_def->name);
        if (!package_name)
            goto out_of_memory;

        /* Walk the chain of JavaPackage objects to get to the parent of the
           rightmost sub-package in the fully-qualified package name. */
        for (simple_name = STRTOK_1ST(package_name, ".", nextstr); simple_name /*1*/; simple_name = STRTOK_OTHER(".", nextstr)) {
            jsval v;

            if (!simple_name) {
                JS_ReportErrorNumber(cx, jsj_GetErrorMessage, NULL, 
                                        JSJMSG_DOUBLE_SHIPPING, package_name);
                goto error;
            }

            /* Check to see if the sub-package already exists */
            quiet_resolve_failure = JS_TRUE;
            package_exists = JS_LookupProperty(cx, parent_obj, simple_name, &v) && JSVAL_IS_OBJECT(v);
            quiet_resolve_failure = JS_FALSE;

            if (package_exists) {
                parent_obj = JSVAL_TO_OBJECT(v);
                continue;
            }

            /* New package objects should only be created at the terminal
               sub-package in a fully-qualified package-name */
            if (STRTOK_OTHER(".", nextstr)) {
                JS_ReportErrorNumber(cx, jsj_GetErrorMessage, NULL,
                                JSJMSG_BAD_PACKAGE_PREDEF,
                               package_def->name);
                goto error;
            }
            
            if (package_def->path) {
                path = strdup(package_def->path);
                if (!path)
                    goto out_of_memory;
            } else {
                /*
                 * The default path is specified, so create it from the
                 * fully-qualified package name.
                 */
                path = strdup(package_def->name);
                if (!path)
                    goto out_of_memory;
                /* Transform package name, e.g. "java.lang" ==> "java/lang" */
                for (cp = path; *cp != '\0'; cp++) {
                    if (*cp == '.')
                         *cp = '/';
                }
            }
            flags = package_def->flags;
            parent_obj = define_JavaPackage(cx, parent_obj, simple_name, path, flags,
                                            package_def->access);
            if (!parent_obj)
                goto error;
 
            free(path);
            break;
        }
        free(package_name);
    }
    return JS_TRUE;

out_of_memory:
    JS_ReportOutOfMemory(cx);

error:
    JS_FREE_IF(cx, package_name);
    JS_FREE_IF(cx, path);
    return JS_FALSE;
}
static void _sg_jscore__install_modules(SG_context * pCtx, JSContext *cx, JSObject *glob,
	const SG_vhash *pServerConfig)
{
	SG_pathname *pModuleDirPath = NULL;
	SG_rbtree_iterator *pModuleDir = NULL;
	SG_rbtree *pModules = NULL;
	const char *szModuleDir = NULL;
	SG_bool ok = SG_FALSE;
	SG_uint32 len_js = 0;
	jsval rval;
	char *psz_js = NULL;
	jsval fo = JSVAL_VOID;
	JSObject * jsoServerConfig = NULL;

	if (gpJSCoreGlobalState->bSkipModules)
		return;

	SG_ERR_CHECK(  _modulesInstalled(pCtx, cx, glob, &ok)  );

	if (ok)
		return;

	if (! gpJSCoreGlobalState->pPathToDispatchDotJS)
		return;
	
	SG_ERR_CHECK(  _setModulesInstalled(pCtx, cx, glob)  );

	SG_ERR_CHECK(  sg_read_entire_file(pCtx, gpJSCoreGlobalState->pPathToDispatchDotJS, &psz_js, &len_js)  );
	if(!JS_EvaluateScript(cx, glob, psz_js, len_js, "dispatch.js", 1, &rval))
	{
		SG_ERR_CHECK_CURRENT;
		SG_ERR_THROW2(SG_ERR_JS, (pCtx, "An error occurred evaluating dispatch.js!"));
	}
	SG_NULLFREE(pCtx, psz_js);

	// Call init function in dispatch.js
	if(pServerConfig)
	{
		jsval arg;
		JSBool js_ok;
		jsval rval2;

		SG_JS_NULL_CHECK(  jsoServerConfig = JS_NewObject(cx, NULL, NULL, NULL)  );
		SG_ERR_CHECK(  sg_jsglue__copy_vhash_into_jsobject(pCtx, cx, pServerConfig, jsoServerConfig)  );
		arg = OBJECT_TO_JSVAL(jsoServerConfig);
		js_ok = JS_CallFunctionName(cx, glob, "init", 1, &arg, &rval2);
		SG_ERR_CHECK_CURRENT;
		if(!js_ok)
			SG_ERR_THROW2(SG_ERR_JS, (pCtx, "An error occurred initializing JavaScript framework: call to JavaScript init() failed"));
		
		jsoServerConfig = NULL;
	}

	// Load core.
	SG_ERR_CHECK(  _loadModuleDir(pCtx, gpJSCoreGlobalState->pPathToCore, "core", cx, glob)  );

	// Load modules.

	SG_ERR_CHECK(  SG_dir__list(pCtx, gpJSCoreGlobalState->pPathToModules, NULL, NULL, NULL, &pModules)  );
	SG_ERR_CHECK(  SG_rbtree__iterator__first(pCtx, &pModuleDir, pModules, &ok, &szModuleDir, NULL)  );
	SG_ERR_CHECK(  SG_PATHNAME__ALLOC__COPY(pCtx, &pModuleDirPath, gpJSCoreGlobalState->pPathToModules)  );
	while(ok)
	{
		if (szModuleDir[0] != '.')
		{
			SG_fsobj_stat fss;

			SG_ERR_CHECK(  SG_pathname__append__from_sz(pCtx, pModuleDirPath, szModuleDir)  );

			SG_ERR_CHECK(  SG_fsobj__stat__pathname(pCtx, pModuleDirPath, &fss)  );

			if (fss.type & SG_FSOBJ_TYPE__DIRECTORY)  // dot paths?
			{
				SG_ERR_CHECK(  _loadModuleDir(pCtx, pModuleDirPath, szModuleDir, cx, glob)  );
			}

			SG_ERR_CHECK(  SG_pathname__remove_last(pCtx, pModuleDirPath)  );
		}

		SG_ERR_CHECK(  SG_rbtree__iterator__next(pCtx, pModuleDir, &ok, &szModuleDir, NULL)  );
	}
												
	if (! JS_LookupProperty(cx, glob, "initModules", &fo))
	{
		SG_ERR_CHECK_CURRENT;
		SG_ERR_THROW2(SG_ERR_JS, (pCtx, "lookup of initModules() failed"));
	}

	if (!JSVAL_IS_VOID(fo))
		if (! JS_CallFunctionName(cx, glob, "initModules", 0, NULL, &rval))
			{
				SG_ERR_CHECK_CURRENT;
				SG_ERR_THROW2(SG_ERR_JS, (pCtx, "Call to initModules() failed"));
			}

fail:
	SG_NULLFREE(pCtx, psz_js);
	SG_PATHNAME_NULLFREE(pCtx, pModuleDirPath);
	SG_RBTREE_ITERATOR_NULLFREE(pCtx, pModuleDir);
	SG_RBTREE_NULLFREE(pCtx, pModules);
}