public static EcmaValue Stringify(EcmaValue value, EcmaValue replacer, EcmaValue space)
{
string indentString;
space = EcmaValueUtility.UnboxPrimitiveObject(space);
if (space.Type == EcmaValueType.Number)
{
indentString = new String(' ', Math.Max(0, Math.Min(10, space.ToInt32())));
}
else if (space.Type == EcmaValueType.String)
{
indentString = space.ToStringOrThrow();
}
else
{
indentString = String.Empty;
}
string result;
if (replacer.IsCallable)
{
result = new EcmaJsonWriter(indentString, replacer).Serialize(value);
}
else if (EcmaArray.IsArray(replacer))
{
HashSet <string> propertyList = new HashSet <string>();
for (long i = 0, length = replacer[WellKnownProperty.Length].ToLength(); i < length; i++)
{
EcmaValue item = EcmaValueUtility.UnboxPrimitiveObject(replacer[i]);
if (item.Type == EcmaValueType.String || item.Type == EcmaValueType.Number)
{
propertyList.Add(item.ToStringOrThrow());
}
}
result = new EcmaJsonWriter(indentString, propertyList).Serialize(value);
}
else
{
result = new EcmaJsonWriter(indentString).Serialize(value);
}
return(result ?? EcmaValue.Undefined);
}
public static EcmaValue Escape(EcmaValue str)
{
StringBuilder sb = new StringBuilder();
foreach (char ch in str.ToStringOrThrow())
{
if (ch == '*' || ch == '+' || ch == '-' || ch == '.' || ch == '/' || ch == '@' || ch == '_' || IsAlphaNumericCharPoint(ch))
{
sb.Append(ch);
}
else if (ch < 256)
{
sb.AppendFormat("%{0:X2}", (int)ch);
}
else
{
sb.AppendFormat("%u{0:X4}", (int)ch);
}
}
return(sb.ToString());
}
public static EcmaValue ToBigInt(this EcmaValue value)
{
value = value.ToPrimitive(EcmaPreferredPrimitiveType.Number);
switch (value.Type)
{
case EcmaValueType.Undefined:
case EcmaValueType.Null:
case EcmaValueType.Number:
case EcmaValueType.Symbol:
throw new EcmaTypeErrorException(InternalString.Error.NotConvertibleToBigInt, value);
case EcmaValueType.Boolean:
return(value.ToBoolean() ? value1n : value0n);
case EcmaValueType.BigInt:
return(value);
case EcmaValueType.String:
return(ToBigInt(value.ToStringOrThrow()));
}
throw new ArgumentException("Unknown value type", "value");
}
public static EcmaValue Unescape(EcmaValue str)
{
return(Decode(str.ToStringOrThrow(), "", false, false));
}
public static EcmaValue DecodeURIComponent(EcmaValue str)
{
return(Decode(str.ToStringOrThrow(), "", true, true));
}
public static EcmaValue DecodeURI(EcmaValue str)
{
return(Decode(str.ToStringOrThrow(), ";/?:@&=+$,#", true, true));
}
public static EcmaValue ParseFloat(EcmaValue str)
{
string inputString = str.ToStringOrThrow();
return(EcmaValueUtility.ParseFloatInternal(inputString, true));
}
public static EcmaValue ParseInt(EcmaValue str, EcmaValue radix)
{
string inputString = str.ToStringOrThrow();
return(EcmaValueUtility.ParseIntInternal(inputString, radix.ToInt32(), true));
}
