public static Parse <int> DigitValue()
{
return(value =>
{
ParseResult <char> whiteSpaceResult = IsWhitespace()(value);
if (!whiteSpaceResult.Succeeded)
{
ParseResult <char> result = Match(char.IsDigit)(value);
int resultValue = 0;
if (result.Succeeded)
{
resultValue = System.Convert.ToInt32(result.Result.ToString());
return new ParseResult <int>(resultValue, result.RemainingInput, true);
}
else
{
return new ParseResult <int>(resultValue, value, false);
}
}
else
{
ParseResult <int> result = DigitValue()(whiteSpaceResult.RemainingInput);
return result;
}
});
}
public static Parse <string> BoolStringHelper(string boolValue)
{
return(value =>
{
ParseResult <char> whiteSpaceResult = IsWhitespace()(value);
if (!whiteSpaceResult.Succeeded)
{
ParseResult <char> parseResult = LetterOrDigit()(value);
if (parseResult.Succeeded)
{
var stringVal = StringValue(boolValue + parseResult.Result.ToString());
ParseResult <string> result = stringVal(parseResult.RemainingInput);
if (result.Result.ToLower() == "true")
{
return new ParseResult <string>("true", parseResult.RemainingInput, true);
}
else
{
return new ParseResult <string>("false", parseResult.RemainingInput, true);
}
}
if (string.IsNullOrEmpty(boolValue))
{
return new ParseResult <string>("false", value, false);
}
return new ParseResult <string>("false", value, true);
}
else
{
var stringVal = StringValue(boolValue);
ParseResult <string> result = stringVal(whiteSpaceResult.RemainingInput);
if (result.Result.ToLower() == "true")
{
return new ParseResult <string>("true", result.RemainingInput, true);
}
else
{
return new ParseResult <string>("false", result.RemainingInput, true);
}
}
});
}
private static Parse <string> StringValue(string str)
{
return(value =>
{
ParseResult <char> whiteSpaceResult = IsWhitespace()(value);
if (!whiteSpaceResult.Succeeded)
{
//ParseResult<char> singleQuotationResult = IsSingleQuotation()(value);
//if (!singleQuotationResult.Succeeded)
//{
ParseResult <char> parseResult = LetterOrDigitOrPoint()(value);
if (parseResult.Succeeded)
{
var stringVal = StringValue(str + parseResult.Result.ToString());
ParseResult <string> result = stringVal(parseResult.RemainingInput);
return result;
}
if (string.IsNullOrEmpty(str))
{
return new ParseResult <string>(str, value, false);
}
return new ParseResult <string>(str, value, true);
//}
//else
//{
// var stringVal = StringValue(str);
// ParseResult<string> result = stringVal(singleQuotationResult.RemainingInput);
// return result;
//}
}
else
{
var stringVal = StringValue(str);
ParseResult <string> result = stringVal(whiteSpaceResult.RemainingInput);
return result;
}
});
}
