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() });
});
}
public void FilterWithParameter()
{
// Simple
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
},
new TestObject {
id = 3, name = "Name With Spaces", active = true, state = TestObject.TestEnum.ValueC, value = 100.0f
},
};
var query = m_QE.Parse("inc(1)=3");
ValidateNoErrors(query);
var filteredValues = query.Apply(data).ToList();
Assert.IsNotEmpty(filteredValues);
Assert.AreEqual(1, filteredValues.Count);
Assert.Contains(data[1], filteredValues);
// With transform function
m_QE.AddFilter("dist", ((o, context) => Mathf.Abs(((TestObject)o).value - context.value)), param =>
{
foreach (var testObject in data)
{
if (testObject.name == param)
{
return new TestParam()
{
target = testObject, value = testObject.value
}
}
;
}
return(default(TestParam));
});
query = m_QE.Parse("dist(name2)<10.0");
ValidateNoErrors(query);
filteredValues = query.Apply(data).ToList();
Assert.IsNotEmpty(filteredValues);
Assert.AreEqual(1, filteredValues.Count);
Assert.Contains(data[1], filteredValues);
// Multiple params
m_QE.AddFilter("func", ((o, context) => Math.Abs(((TestObject)o).value - context.value) < Mathf.Epsilon || ((TestObject)o).state == context.target.state), param =>
{
var testParam = new TestParam();
if (string.IsNullOrEmpty(param))
{
return(testParam);
}
var paramTokens = param.Split(';');
var targetName = paramTokens[0].Trim('"');
testParam.value = float.Parse(paramTokens[1], CultureInfo.InvariantCulture.NumberFormat);
foreach (var testObject in data)
{
if (testObject.name == targetName)
{
testParam.target = testObject;
}
}
return(testParam);
});
query = m_QE.Parse("func(\"Name With Spaces\";10.0)=true");
ValidateNoErrors(query);
filteredValues = query.Apply(data).ToList();
Assert.IsNotEmpty(filteredValues);
Assert.AreEqual(2, filteredValues.Count);
Assert.Contains(data[0], filteredValues);
Assert.Contains(data[2], filteredValues);
}