public void CustomOperator()
{
var data = new List <TestObject>
{
new TestObject {
id = 1, name = "name1", active = false, state = TestObject.TestEnum.ValueA, value = 10.0f
},
new TestObject {
id = 2, name = "name2", active = true, state = TestObject.TestEnum.ValueB, value = 1000.0f
},
};
const string op = "%";
m_QE.AddOperator(op);
m_QE.AddOperatorHandler(op, (int ev, int fv) => ev % fv == 0);
var query = m_QE.Parse("i%2");
ValidateNoErrors(query);
var filteredValues = query.Apply(data).ToList();
Assert.IsNotEmpty(filteredValues);
Assert.AreEqual(1, filteredValues.Count);
Assert.Contains(data[1], filteredValues);
query = m_QE.Parse("n%2");
Assert.IsFalse(query.valid);
}
public static void SetupQueryEngine(QueryEngine qe)
{
qe.AddFilter("i", o => ((TestObject)o).id);
qe.AddFilter("n", o => ((TestObject)o).name, new[] { ":", "=", "!=" });
qe.AddFilter("s", o => ((TestObject)o).state, new[] { "=", "!=", "<", ">", "<=", ">=" });
qe.AddFilter("a", o => ((TestObject)o).active, new[] { "=", "!=" });
qe.AddFilter("v", o => ((TestObject)o).value);
qe.AddFilter <string>("is", IsFilterResolver);
qe.AddFilter <int, int>("inc", ((o, context) => ((TestObject)o).id + context));
qe.AddOperatorHandler("=", (TestObject.TestEnum ev, TestObject.TestEnum fv) => ev == fv);
qe.AddOperatorHandler("!=", (TestObject.TestEnum ev, TestObject.TestEnum fv) => ev != fv);
qe.AddOperatorHandler("<", (TestObject.TestEnum ev, TestObject.TestEnum fv) => ev < fv);
qe.AddOperatorHandler(">", (TestObject.TestEnum ev, TestObject.TestEnum fv) => ev > fv);
qe.AddOperatorHandler("<=", (TestObject.TestEnum ev, TestObject.TestEnum fv) => ev <= fv);
qe.AddOperatorHandler(">=", (TestObject.TestEnum ev, TestObject.TestEnum fv) => ev >= fv);
qe.SetSearchDataCallback(o =>
{
var to = o as TestObject;
return(new[] { to.name, to.id.ToString() });
});
}