public void HandleComposites()
{
var pX = new CompositeValue(new ValueExpression[] { new StringValue("hello, world!"), new NumberValue(14.8M) });
var pY = new TokenValue("NOK", "http://somesuch.org");
var p1 = new ChoiceValue(new ValueExpression[] { pX, pY });
Assert.AreEqual(@"hello\, world!$14.8,http://somesuch.org|NOK", p1.ToString());
var crit1 = ChoiceValue.Parse(@"hello\, world$14.8,http://somesuch.org|NOK");
Assert.AreEqual(2, crit1.Choices.Length);
Assert.IsTrue(crit1.Choices[0] is CompositeValue);
var comp1 = crit1.Choices[0] as CompositeValue;
Assert.AreEqual(2, comp1.Components.Length);
Assert.AreEqual("hello, world", ((UntypedValue)comp1.Components[0]).AsStringValue().Value);
Assert.AreEqual(14.8M, ((UntypedValue)comp1.Components[1]).AsNumberValue().Value);
Assert.AreEqual("http://somesuch.org|NOK", ((UntypedValue)crit1.Choices[1]).AsTokenValue().ToString());
}
private static Criterium fromPathTuples(IEnumerable <Tuple <string, string> > path, string value)
{
var first = path.First();
var name = first.Item1;
var modifier = first.Item2;
var type = Operator.EQ;
Expression operand = null;
// If this is a chained search, unfold the chain first
if (path.Count() > 1)
{
type = Operator.CHAIN;
operand = fromPathTuples(path.Skip(1), value);
}
// :missing modifier is actually not a real modifier and is turned into
// either a ISNULL or NOTNULL operator
else if (modifier == MISSINGMODIF)
{
modifier = null;
if (value == MISSINGTRUE)
{
type = Operator.ISNULL;
}
else if (value == MISSINGFALSE)
{
type = Operator.NOTNULL;
}
else
{
throw Error.Argument("value", "For the :missing modifier, only values 'true' and 'false' are allowed");
}
operand = null;
}
// else see if the value starts with a comparator
else
{
var compVal = findComparator(value);
type = compVal.Item1;
value = compVal.Item2;
if (value == null)
{
throw new FormatException("Value is empty");
}
// Parse the value. If there's > 1, we are using the IN operator, unless
// the input already specifies another comparison, which would be illegal
var values = ChoiceValue.Parse(value);
if (values.Choices.Length > 1)
{
if (type != Operator.EQ)
{
throw new InvalidOperationException("Multiple values cannot be used in combination with a comparison operator");
}
type = Operator.IN;
operand = values;
}
else
{
// Not really a multi value, just a single ValueExpression
operand = values.Choices[0];
}
}
// Construct the new criterium based on the parsed values
return(new Criterium()
{
ParamName = name,
Type = type,
Modifier = modifier,
Operand = operand
});
}
public void HandleMultiValueParam()
{
var p1 = new ChoiceValue(new ValueExpression[] { new StringValue("hello, world!"), new NumberValue(18.4M) });
Assert.AreEqual(@"hello\, world!,18.4", p1.ToString());
var p2 = ChoiceValue.Parse(@"hello\, world!,18.4");
Assert.AreEqual(2, p2.Choices.Length);
Assert.AreEqual("hello, world!", ((UntypedValue)p2.Choices[0]).AsStringValue().Value);
Assert.AreEqual(18.4M, ((UntypedValue)p2.Choices[1]).AsNumberValue().Value);
}
