private static ScriptValue Values([NotNull] ScriptArguments arg)
{
//https://tc39.github.io/ecma262/#sec-object.values
var obj = arg.Agent.ToObject(arg[0]);
var nameList = EnumerableOwnProperties(arg.Agent, obj, EnumerateType.Value);
return(ArrayIntrinsics.CreateArrayFromList(arg.Agent, nameList));
}
private static ScriptValue GetOwnPropertyKeys([NotNull] Agent agent, ScriptValue value, ScriptValue.Type type)
{
//https://tc39.github.io/ecma262/#sec-getownpropertykeys
var obj = agent.ToObject(value);
var keys = obj.OwnPropertyKeys();
var nameList = keys.Where(x => x.ValueType == type);
return(ArrayIntrinsics.CreateArrayFromList(agent, nameList));
}
private static ScriptValue OwnKeys([NotNull] ScriptArguments arg)
{
//https://tc39.github.io/ecma262/#sec-reflect.ownkeys
if (!arg[0].IsObject)
{
throw arg.Agent.CreateTypeError();
}
var keys = ((ScriptObject)arg[0]).OwnPropertyKeys();
return(ArrayIntrinsics.CreateArrayFromList(arg.Agent, keys));
}
private static IEnumerable <ScriptValue> EnumerableOwnProperties([NotNull] Agent agent, [NotNull] ScriptObject obj, EnumerateType type)
{
//https://tc39.github.io/ecma262/#sec-enumerableownproperties
var ownKeys = obj.OwnPropertyKeys();
var properties = new List <ScriptValue>();
foreach (var key in ownKeys)
{
if (key.IsString)
{
var descriptor = obj.GetOwnProperty(key);
if (descriptor != null && descriptor.Enumerable)
{
switch (type)
{
case EnumerateType.Key:
properties.Add(key);
break;
case EnumerateType.Value:
properties.Add(obj.Get(key));
break;
case EnumerateType.KeyValue:
properties.Add(ArrayIntrinsics.CreateArrayFromList(agent, new[] { key, obj.Get(key) }));
break;
default:
throw new ArgumentOutOfRangeException(nameof(type), type, null);
}
}
}
}
return(properties);
}
private static ScriptValue Split([NotNull] ScriptArguments arg)
{
//https://tc39.github.io/ecma262/#sec-string.prototype.split
var obj = arg.Agent.RequireObjectCoercible(arg.ThisValue);
if (arg[0] != ScriptValue.Undefined && arg[0] != ScriptValue.Null)
{
var splitter = arg.Agent.GetMethod(arg[0], Symbol.Split);
if (splitter != null)
{
return(arg.Agent.Call(splitter, arg[0], obj, arg[1]));
}
}
var str = arg.Agent.ToString(obj);
var array = ArrayIntrinsics.ArrayCreate(arg.Agent, 0);
var arrayLength = 0u;
var limit = arg[1] == ScriptValue.Undefined ? uint.MaxValue : arg.Agent.ToUint32(arg[1]);
var seperator = arg.Agent.ToString(arg[0]);
if (limit == 0)
{
return(array);
}
if (arg[0] == ScriptValue.Undefined)
{
array.CreateDataProperty("0", str);
return(array);
}
if (str.Length == 0)
{
var z = SplitMatch(str, 0, seperator);
if (z.Item1)
{
return(array);
}
array.CreateDataProperty("0", str);
return(array);
}
var p = 0;
var q = p;
string substring;
while (q != str.Length)
{
var e = SplitMatch(str, q, seperator);
if (!e.Item1)
{
q++;
}
else
{
if (e.Item2 == p)
{
q = q + 1;
}
else
{
substring = str.Substring(p, q - p);
array.CreateDataProperty(arrayLength.ToString(), substring);
arrayLength++;
if (arrayLength == limit)
{
return(array);
}
q = p = e.Item2;
}
}
}
substring = str.Substring(p);
array.CreateDataProperty(arrayLength.ToString(), substring);
return(array);
}
