private NPathSelectQuery ParseSelectQuery()
{
NPathSelectQuery query = new NPathSelectQuery();
queries.Push(query);
tokenizer.GetCurrentToken("select", "Select");
NPathSelectClause selectClause = new NPathSelectClause();
ParseSelectClause(selectClause);
query.Select = selectClause;
tokenizer.GetCurrentToken("from", "From");
NPathFromClause fromClause = new NPathFromClause();
ParseFromClause(fromClause);
query.From = fromClause;
if (tokenizer.GetCurrentToken().IsType("where"))
{
NPathWhereClause whereClause = new NPathWhereClause();
query.Where = whereClause;
ParseWhereClause(whereClause);
}
if (tokenizer.GetCurrentToken().IsType("order by")) // do not localize
{
NPathOrderByClause orderByClause = new NPathOrderByClause();
ParseOrderByClause(orderByClause);
query.OrderBy = orderByClause;
}
return query;
}
private void ParseFromClause(NPathFromClause fromClause)
{
do
{
tokenizer.MoveNext();
Token classToken = tokenizer.GetCurrentToken("identifier", "Class name"); // do not localize
NPathClassName className = new NPathClassName();
className.Name = classToken.Text;
fromClause.Classes.Add(className);
tokenizer.MoveNext();
} while (tokenizer.GetCurrentToken().IsType("comma"));
}