private string JSValueToString(JavaScriptValue val)
{
switch (val.ValueType)
{
case JavaScriptValueType.Boolean:
return(val.ToBoolean() ? "true" : "false");
case JavaScriptValueType.Number:
try
{
return(val.ToInt32().ToString());
}
catch (JavaScriptException)
{
return(val.ToDouble().ToString(CultureInfo.InvariantCulture));
}
case JavaScriptValueType.Error:
var keys = val.GetOwnPropertyNames();
throw new Exception("Error in js");
case JavaScriptValueType.String:
return(val.ToString());
case JavaScriptValueType.Array:
// int length = val.GetProperty(JavaScriptPropertyId.FromString("length")).ToInt32();
// return "Array";
case JavaScriptValueType.Object:
return(val.ToJsonString());
default:
return(val.ValueType.ToString());
}
}
private IEnumerable <Span> GetValueSpans(JavaScriptValue value, int level = 0, bool inArray = false)
{
switch (value.ValueType)
{
case JavaScriptValueType.Null:
return(new Span[] { new Span("null") });
case JavaScriptValueType.Undefined:
return(new Span[] { new Span("undefined") });
case JavaScriptValueType.String:
return(new Span[] { $"\"{value.ToString().Replace("\"", "\\\"")}\"".DarkGreen() });
case JavaScriptValueType.Boolean:
return(new Span[] { new Span(value.ToBoolean() ? "true" : "false") });
case JavaScriptValueType.Number:
try
{
return(new Span[] { value.ToInt32().ToString().Red() });
}
catch (JavaScriptException)
{
return(new Span[] { value.ToDouble().ToString(CultureInfo.InvariantCulture).Red() });
}
case JavaScriptValueType.Function:
return(new Span[] { GetFuncRep(value).Magenta() });
case JavaScriptValueType.Error:
return(new Span[] { value.ToJsonString().DarkRed() });
case JavaScriptValueType.Object:
return(GetObjectSpans(value, level, inArray));
case JavaScriptValueType.Array:
return(GetArraySpans(value, level));
default:
return(new Span[] { new Span(value.ValueType.ToString()), });
}
}
/// <summary>
/// Converts a <see cref="JavaScriptValue"/> with a number type to host value.
/// </summary>
public object ToHostNumber(JavaScriptValue arg, Type toType)
{
// 32-bit Conversions
if (toType == typeof(byte))
{
return((byte)arg.ToInt32());
}
if (toType == typeof(sbyte))
{
return((sbyte)arg.ToInt32());
}
if (toType == typeof(short))
{
return((short)arg.ToInt32());
}
if (toType == typeof(ushort))
{
return((ushort)arg.ToInt32());
}
if (toType == typeof(int))
{
return(arg.ToInt32());
}
if (toType == typeof(uint))
{
return((uint)arg.ToInt32());
}
// 64-bit Conversions
if (toType == typeof(long))
{
return((long)arg.ToDouble());
}
if (toType == typeof(ulong))
{
return((ulong)arg.ToDouble());
}
if (toType == typeof(float))
{
return((float)arg.ToDouble());
}
if (toType == typeof(double))
{
return(arg.ToDouble());
}
if (toType == typeof(decimal))
{
return((decimal)arg.ToDouble());
}
// Other Conversions
if (toType == typeof(string))
{
return(arg.ConvertToString().ToString());
}
if (toType == typeof(bool))
{
return(arg.ConvertToBoolean().ToBoolean());
}
// Last Attempt
if (toType.IsAssignableFrom(typeof(double)))
{
return(arg.ToDouble());
}
throw new Exception($"Cannot convert javascript number to type: {toType}");
}