public Queries(string text) : this()
{
char [] delimiterChars = { '\r' };
string query = text.Replace('\n', ' ');
query = query.ToLower();
string [] queries = query.Split(delimiterChars);
for (int index = 0; index < queries.Length; ++index)
{
char [] delimiter2Chars = { ' ' };
string [] strings = queries [index].Trim().Split(delimiter2Chars);
string name = string.Empty;
QueryTypes queryType = QueryTypes.Name;
QuerySubtypes querySubtype = QuerySubtypes.StartsWith;
if (Parse(strings, ref name, ref queryType, ref querySubtype) == true)
{
Add(name, queryType, querySubtype);
}
}
}
private bool Parse(string [] strings, ref string value, ref QueryTypes queryType, ref QuerySubtypes querySubtype)
{
querySubtype = QuerySubtypes.StartsWith;
if (strings [0] == "where")
{
switch (strings [1])
{
case "name":
queryType = QueryTypes.Name;
break;
case "location":
queryType = QueryTypes.Location;
break;
case "diameter":
queryType = QueryTypes.Diameter;
break;
case "age":
queryType = QueryTypes.Age;
break;
case "period":
queryType = QueryTypes.Period;
break;
case "exposed":
queryType = QueryTypes.Exposed;
break;
case "drilled":
queryType = QueryTypes.Drilled;
break;
case "targetrock":
case "target":
queryType = QueryTypes.TargetRock;
break;
case "bolidetype":
case "bolide":
queryType = QueryTypes.BolideType;
break;
case "references":
queryType = QueryTypes.References;
break;
default:
return(false);
}
if (strings.Length == 3)
{
value = strings [2].ToLower();
return(true);
}
else if (strings.Length >= 4)
{
string query = strings [2].ToLower();
if (query.StartsWith("starts") || query.StartsWith("startswith"))
{
querySubtype = QuerySubtypes.StartsWith;
}
else if (query.StartsWith("contains"))
{
querySubtype = QuerySubtypes.Contains;
}
else if (query.StartsWith("ends") || query.StartsWith("endswith"))
{
querySubtype = QuerySubtypes.EndsWith;
}
else if (query.StartsWith("greaterthan") || query.StartsWith(">"))
{
querySubtype = QuerySubtypes.GreaterThan;
}
else if (query.StartsWith("lessthan") || query.StartsWith("<"))
{
querySubtype = QuerySubtypes.LessThan;
}
value = strings [3].ToLower();
if (strings.Length == 5)
{
value += " " + strings [4].ToLower();
}
return(true);
}
}
return(false);
}
public ClassQuery(string value, QueryTypes queryType, QuerySubtypes querySubtype)
{
Value = value;
QueryType = queryType;
QuerySubtype = querySubtype;
}
private void Add(string value, QueryTypes queryType, QuerySubtypes querySubtype)
{
AllQueries.Add(new ClassQuery(value.ToLower(), queryType, querySubtype));
}
