/// <summary>
/// Recursively retrieves named properties. Returns true if all property names were found.
/// If a value along the chain is not an object, false is returned and that value is the result.
/// </summary>
public bool TryGetNested(out JS.Value result, params string[] propertyNames)
{
var searchScope = Pointer;
var temp = new Rooted <JS.Value>(Context, JS.Value.Undefined);
for (int i = 0, l = propertyNames.Length; i < l; i++)
{
var name = propertyNames[i];
temp = searchScope.GetProperty(Context, name);
if (i == (l - 1))
{
result = temp.Value;
return(true);
}
if (temp.Value.ValueType != JSValueType.OBJECT)
{
result = temp.Value;
return(false);
}
searchScope = temp.Value.AsObject;
}
throw new Exception("Unexpected");
}
public void ObjectBuilderTest()
{
using (var tc = new TestContext())
using (var obj = new JSObjectBuilder(tc)) {
tc.Global["obj"] = obj;
obj["a"] = new JS.Value(5);
var evalResult = tc.Context.Evaluate(tc.Global, "obj.a");
Assert.AreEqual(5, evalResult.Value.ToManaged(tc));
}
}
public void ValueFromObject()
{
using (var tc = new TestContext()) {
// Implicit conversion from Rooted<JSObjectPtr> to JS.Value
JS.Value val = tc.Global.Root;
tc.Global["g"] = val;
var evalResult = tc.Context.Evaluate(tc.Global, "g");
Assert.AreEqual(val, evalResult.Value);
Assert.AreEqual(tc.Global.Pointer, evalResult.Value.AsObject);
}
}
public void NewInstanceTest()
{
using (var tc = new TestContext()) {
tc.Context.Evaluate(tc.Global, "function cls (x) { this.x = x; };");
var cls = tc.Global["cls"];
var arg1 = new JS.Value(1.5);
var instance = new JSObjectReference(
tc, cls.InvokeConstructor(tc, arg1)
);
Assert.AreEqual(arg1, instance["x"]);
}
}
/// <summary>
/// If value does not contain an object, this will throw.
/// </summary>
public JSObjectReference(JSContextPtr context, JS.Value value)
: this(context, value.AsObject)
{
}
public override string ToString()
{
JS.Value self = this;
return(self.ToManagedString(Context));
}
