static const nsID*
GetIIDArg(PRUint32 argc, const JS::Value& val, JSContext* cx)
{
const nsID* iid;
// If an IID was passed in then use it
if (argc) {
JSObject* iidobj;
if (JSVAL_IS_PRIMITIVE(val) ||
!(iidobj = JSVAL_TO_OBJECT(val)) ||
!(iid = xpc_JSObjectToID(cx, iidobj))) {
return nsnull;
}
} else
iid = &NS_GET_IID(nsISupports);
return iid;
}
JSBool XPCVariant::InitializeData(XPCCallContext& ccx)
{
if(JSVAL_IS_INT(mJSVal))
return NS_SUCCEEDED(nsVariant::SetFromInt32(&mData,
JSVAL_TO_INT(mJSVal)));
if(JSVAL_IS_DOUBLE(mJSVal))
return NS_SUCCEEDED(nsVariant::SetFromDouble(&mData,
*JSVAL_TO_DOUBLE(mJSVal)));
if(JSVAL_IS_BOOLEAN(mJSVal))
return NS_SUCCEEDED(nsVariant::SetFromBool(&mData,
JSVAL_TO_BOOLEAN(mJSVal)));
if(JSVAL_IS_VOID(mJSVal))
return NS_SUCCEEDED(nsVariant::SetToEmpty(&mData));
if(JSVAL_IS_NULL(mJSVal))
return NS_SUCCEEDED(nsVariant::SetToEmpty(&mData));
if(JSVAL_IS_STRING(mJSVal))
{
return NS_SUCCEEDED(nsVariant::SetFromWStringWithSize(&mData,
(PRUint32)JS_GetStringLength(JSVAL_TO_STRING(mJSVal)),
(PRUnichar*)JS_GetStringChars(JSVAL_TO_STRING(mJSVal))));
}
// leaving only JSObject...
NS_ASSERTION(JSVAL_IS_OBJECT(mJSVal), "invalid type of jsval!");
JSObject* jsobj = JSVAL_TO_OBJECT(mJSVal);
// Let's see if it is a xpcJSID.
// XXX It might be nice to have a non-allocing version of xpc_JSObjectToID.
nsID* id = xpc_JSObjectToID(ccx, jsobj);
if(id)
{
JSBool success = NS_SUCCEEDED(nsVariant::SetFromID(&mData, *id));
nsMemory::Free((char*)id);
return success;
}
// Let's see if it is a js array object.
jsuint len;
if(JS_IsArrayObject(ccx, jsobj) && JS_GetArrayLength(ccx, jsobj, &len))
{
if(!len)
{
// Zero length array
nsVariant::SetToEmptyArray(&mData);
return JS_TRUE;
}
nsXPTType type;
nsID id;
if(!XPCArrayHomogenizer::GetTypeForArray(ccx, jsobj, len, &type, &id))
return JS_FALSE;
if(!XPCConvert::JSArray2Native(ccx, &mData.u.array.mArrayValue,
mJSVal, len, len,
type, type.IsPointer(),
&id, nsnull))
return JS_FALSE;
mData.mType = nsIDataType::VTYPE_ARRAY;
if(type.IsInterfacePointer())
mData.u.array.mArrayInterfaceID = id;
mData.u.array.mArrayCount = len;
mData.u.array.mArrayType = type.TagPart();
return JS_TRUE;
}
// XXX This could be smarter and pick some more interesting iface.
nsXPConnect* xpc;
nsCOMPtr<nsISupports> wrapper;
const nsIID& iid = NS_GET_IID(nsISupports);
return nsnull != (xpc = nsXPConnect::GetXPConnect()) &&
NS_SUCCEEDED(xpc->WrapJS(ccx, jsobj,
iid, getter_AddRefs(wrapper))) &&
NS_SUCCEEDED(nsVariant::SetFromInterface(&mData, iid, wrapper));
}
