nsresult
DOMMultipartFileImpl::ParseBlobArrayArgument(JSContext* aCx, JS::Value& aValue,
bool aNativeEOL,
UnwrapFuncPtr aUnwrapFunc)
{
if (!aValue.isObject()) {
return NS_ERROR_TYPE_ERR; // We're not interested
}
JS::Rooted<JSObject*> obj(aCx, &aValue.toObject());
if (!JS_IsArrayObject(aCx, obj)) {
return NS_ERROR_TYPE_ERR; // We're not interested
}
BlobSet blobSet;
uint32_t length;
MOZ_ALWAYS_TRUE(JS_GetArrayLength(aCx, obj, &length));
for (uint32_t i = 0; i < length; ++i) {
JS::Rooted<JS::Value> element(aCx);
if (!JS_GetElement(aCx, obj, i, &element))
return NS_ERROR_TYPE_ERR;
if (element.isObject()) {
JS::Rooted<JSObject*> obj(aCx, &element.toObject());
nsCOMPtr<nsIDOMBlob> blob = aUnwrapFunc(aCx, obj);
if (blob) {
nsRefPtr<DOMFileImpl> blobImpl =
static_cast<DOMFile*>(blob.get())->Impl();
// Flatten so that multipart blobs will never nest
const nsTArray<nsRefPtr<DOMFileImpl>>* subBlobImpls =
blobImpl->GetSubBlobImpls();
if (subBlobImpls) {
blobSet.AppendBlobImpls(*subBlobImpls);
} else {
blobSet.AppendBlobImpl(blobImpl);
}
continue;
}
if (JS_IsArrayBufferViewObject(obj)) {
nsresult rv = blobSet.AppendVoidPtr(
JS_GetArrayBufferViewData(obj),
JS_GetArrayBufferViewByteLength(obj));
NS_ENSURE_SUCCESS(rv, rv);
continue;
}
if (JS_IsArrayBufferObject(obj)) {
nsresult rv = blobSet.AppendArrayBuffer(obj);
NS_ENSURE_SUCCESS(rv, rv);
continue;
}
}
// coerce it to a string
JSString* str = JS::ToString(aCx, element);
NS_ENSURE_TRUE(str, NS_ERROR_TYPE_ERR);
nsresult rv = blobSet.AppendString(str, aNativeEOL, aCx);
NS_ENSURE_SUCCESS(rv, rv);
}
mBlobImpls = blobSet.GetBlobImpls();
SetLengthAndModifiedDate();
return NS_OK;
}
