public Query(string input)
{
OriginalInput = input;
OriginalInputTrim = OriginalInput.Trim();
IsHelp = input == "?" || string.Equals(input, "help", StringComparison.OrdinalIgnoreCase);
Structure = StructureParser.Parse(input);
}
private Prefix TryMatch(string query, string prefix)
{
if (query.Length > prefix.Length && query.StartsWith(prefix, StringComparison.OrdinalIgnoreCase))
{
var remainderString = query.Substring(prefix.Length);
var parsedRemainder = StructureParser.Parse(remainderString);
return(new Prefix(PrefixKind, prefix, remainderString, parsedRemainder));
}
return(null);
}
private static Double TryParseUnitValue(string query, int start, int length)
{
var parsed = StructureParser.Parse(query.Substring(start, length));
var number = StructureParser.TryGetStructure <Double>(parsed);
if (number != null)
{
if (StructureParser.TryGetStructure <Integer>(parsed) is Integer i && i.Kind == IntegerKind.Hexadecimal)
{
// don't allow hex numbers with units
return(null);
}
}
return(number);
}
public object TryParse(string query)
{
if (query.IndexOf(separatorCharArray[0]) != -1)
{
var parts = query.Split(separatorCharArray, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 0)
{
return(null);
}
var parsed = parts.Select(p => StructureParser.Parse(p)).ToArray();
if (parsed.Any(p => p == null))
{
return(null);
}
return(new SeparatedList(parsed, SeparatorChar));
}
return(null);
}
