public string Perform(string input)
{
var strings = Regex.Matches(_context.Token, Constants.Token, RegexOptions.Compiled)
.Cast <Match>()
.Select(m => m.Value)
.ToArray();
decimal result;
var decimals = Array.ConvertAll(strings, Utilities.ParseDecimal);
// small hack
if (_context.Token.Contains("--") == false)
{
result = decimals[0] - Math.Abs(decimals[1]);
}
else
{
result = decimals[0] - decimals[1];
}
input = _context.ReplaceAt(input, result);
return(input);
}
public string Perform(string input)
{
var strings = Regex.Matches(_context.Token, Constants.Token, RegexOptions.Compiled)
.Cast <Match>()
.Select(m => m.Value)
.ToArray();
var decimals = Array.ConvertAll(strings, Utilities.ParseDecimal);
var result = decimals[0] + decimals[1];
input = _context.ReplaceAt(input, result);
return(input);
}
