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;
}
public SortOrderComparer(NPathOrderByClause orderBy, IObjectQueryEngine engine)
{
this.orderBy = orderBy;
this.engine = engine;
}
private void ParseOrderByClause(NPathOrderByClause orderByClause)
{
do
{
tokenizer.MoveNext();
//Token propertyToken = tokenizer.GetCurrentToken("property path","Property path"); // do not localize
IValue expression = ParseExpression();
SortProperty sortProperty = new SortProperty();
// sortProperty.Path = propertyToken.Text;
sortProperty.Expression = expression;
if (tokenizer.GetCurrentToken().IsType("direction"))
{
sortProperty.Direction = (SortDirection) Enum.Parse(typeof (SortDirection), tokenizer.GetCurrentToken().Text, true);
tokenizer.MoveNext();
}
orderByClause.SortProperties.Add(sortProperty);
} while (tokenizer.GetCurrentToken().IsType("comma"));
}