/// <summary>
/// Attempts to parse a method call with format MethodId(Args)
/// </summary>
static public bool TryParse(StringSlice inData, out MethodCall outMethodCall)
{
int openParenIdx = inData.IndexOf('(');
int closeParenIdx = inData.LastIndexOf(')');
if (openParenIdx <= 0 || closeParenIdx <= 0 || closeParenIdx <= openParenIdx)
{
outMethodCall = default(MethodCall);
return(false);
}
StringSlice methodSlice = inData.Substring(0, openParenIdx).Trim();
if (!VariantUtils.IsValidIdentifier(methodSlice))
{
outMethodCall = default(MethodCall);
return(false);
}
StringSlice afterMethod = inData.Substring(closeParenIdx + 1);
if (!afterMethod.IsWhitespace)
{
outMethodCall = default(MethodCall);
return(false);
}
int argsLength = closeParenIdx - 1 - openParenIdx;
outMethodCall.Id = methodSlice.Hash32();
outMethodCall.Args = inData.Substring(openParenIdx + 1, argsLength).Trim();
return(true);
}
/// <summary>
/// Attempts to parse the string slice into a color.
/// </summary>
static public bool TryParseColor(StringSlice inSlice, out Color outColor)
{
StringSlice colorData = inSlice;
StringSlice alphaData = StringSlice.Empty;
int dotIdx = inSlice.IndexOf('.');
if (dotIdx >= 0)
{
colorData = inSlice.Substring(0, dotIdx);
alphaData = inSlice.Substring(dotIdx + 1);
}
Color color = default(Color);
bool bParsed = false;
if (colorData.StartsWith('#'))
{
ulong hex;
StringSlice hexString = colorData.Substring(1);
if (hexString.Length <= 6 && TryParseHex(colorData, 6, out hex))
{
color = Colors.RGBA((uint)hex << 8);
bParsed = true;
}
else if (TryParseHex(colorData, 8, out hex))
{
color = Colors.RGBA((uint)hex);
bParsed = true;
}
}
if (!bParsed)
{
bParsed = ColorUtility.TryParseHtmlString(colorData.ToString(), out color);
if (!bParsed)
{
outColor = default(Color);
return(false);
}
}
if (!alphaData.IsEmpty)
{
float alphaMult;
if (!TryParseFloat(alphaData, out alphaMult))
{
outColor = default(Color);
return(false);
}
color.a *= alphaMult / 100f;
}
outColor = color;
return(bParsed);
}
