public static IList<object> Parse(Reader r, char open, char close)
{
if (r.Peek == open)
{
var result = new List<object>();
r.Take();
while (!r.End)
{
var literal = LiteralParser.Parse(r);
if (literal != null)
{
result.Add(literal);
}
else
{
throw new ExpressionParseException(r, "Expected integer.");
}
r.SkipWhitespace();
if (r.End)
{
throw new ExpressionParseException(r, "Expected ','.");
}
else if (r.TakeIf(close))
{
return result;
}
else
{
if (r.Take() != ',')
{
throw new ExpressionParseException(r, "Expected ','.");
}
r.SkipWhitespace();
}
}
if (!r.End)
{
r.Take();
return result;
}
else
{
throw new ExpressionParseException(r, "Expected ']'.");
}
}
return null;
}
public static IList <object> Parse(Reader r, char open, char close)
{
if (r.Peek == open)
{
var result = new List <object>();
r.Take();
while (!r.End)
{
var literal = LiteralParser.Parse(r);
if (literal != null)
{
result.Add(literal);
}
else
{
throw new ExpressionParseException(r, "Expected integer.");
}
r.SkipWhitespace();
if (r.End)
{
throw new ExpressionParseException(r, "Expected ','.");
}
else if (r.TakeIf(close))
{
return(result);
}
else
{
if (r.Take() != ',')
{
throw new ExpressionParseException(r, "Expected ','.");
}
r.SkipWhitespace();
}
}
if (!r.End)
{
r.Take();
return(result);
}
else
{
throw new ExpressionParseException(r, "Expected ']'.");
}
}
return(null);
}
public static string Parse(Reader r)
{
if (IsValidIdentifierStart(r.Peek))
{
var result = new StringBuilder();
while (!r.End && IsValidIdentifierChar(r.Peek))
{
result.Append(r.Take());
}
return(result.ToString());
}
else
{
return(null);
}
}
public static string Parse(Reader r)
{
if (IsValidIdentifierStart(r.Peek))
{
var result = new StringBuilder();
while (!r.End && IsValidIdentifierChar(r.Peek))
{
result.Append(r.Take());
}
return result.ToString();
}
else
{
return null;
}
}
public static object Parse(Reader r)
{
if (char.IsDigit(r.Peek))
{
StringBuilder result = new StringBuilder();
while (!r.End)
{
if (char.IsDigit(r.Peek))
{
result.Append(r.Take());
}
else
{
break;
}
}
return(int.Parse(result.ToString(), CultureInfo.InvariantCulture));
}
return(null);
}
public static object Parse(Reader r)
{
if (char.IsDigit(r.Peek))
{
StringBuilder result = new StringBuilder();
while (!r.End)
{
if (char.IsDigit(r.Peek))
{
result.Append(r.Take());
}
else
{
break;
}
}
return int.Parse(result.ToString(), CultureInfo.InvariantCulture);
}
return null;
}