static nsresult
Coerce(JSContext* aCx, T& aTarget, const OOS& aAlgorithm)
{
ClearException ce(aCx);
if (!aAlgorithm.IsObject()) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
JS::RootedValue value(aCx, JS::ObjectValue(*aAlgorithm.GetAsObject()));
if (!aTarget.Init(aCx, value)) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
return NS_OK;
}
static nsresult
GetAlgorithmName(JSContext* aCx, const OOS& aAlgorithm, nsString& aName)
{
ClearException ce(aCx);
if (aAlgorithm.IsString()) {
// If string, then treat as algorithm name
aName.Assign(aAlgorithm.GetAsString());
} else {
// Coerce to algorithm and extract name
JS::RootedValue value(aCx, JS::ObjectValue(*aAlgorithm.GetAsObject()));
Algorithm alg;
if (!alg.Init(aCx, value) || !alg.mName.WasPassed()) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
aName.Assign(alg.mName.Value());
}
return NS_OK;
}