public static FTL.AST.Member Parse(CharStream cs)
{
WhiteSpace.Parse(cs);
bool isDefault = false;
if (cs.PeekNext() == '*')
{
cs.SkipNext();
isDefault = true;
}
// Parse the MemberKey
cs.SkipCharacter('[');
FTL.AST.INode key = Memberkey.Parse(cs);
cs.SkipCharacter(']');
// skip optional space
WhiteSpace.Parse(cs);
// Parse the actual pattern
FTL.AST.Pattern pattern = Pattern.Parse(cs);
// and return it all
return(new FTL.AST.Member(key, pattern, isDefault));
}
private void checkValidMemberkey <T>(string input, string rest = "")
{
var cs = NCS(input);
var memberKey = Memberkey.Parse(cs);
Assert.IsNotNull(memberKey);
Assert.AreEqual(rest, cs.ReadUntilEnd());
Assert.AreEqual(typeof(T), memberKey.GetType());
}
public void MemberKeyTests()
{
// the three possible MemberKeys
checkValidMemberkey <L20n.FTL.AST.StringPrimitive>("keyword");
checkValidMemberkey <L20n.FTL.AST.Attribute>("identifier/keyword");
checkValidMemberkey <L20n.FTL.AST.Number>("42");
// some invalid examples
Throws(() => Memberkey.Parse(NCS("@#")));
// for more examples check the individual types (keyword, identifier and number)
}
public void AttributeTests()
{
// good examples
Assert.IsNotNull(Memberkey.Parse(NCS("bar")));
Assert.IsNotNull(Memberkey.Parse(NCS("foo/bar")));
Assert.IsNotNull(Memberkey.Parse(NCS("42")));
Assert.IsNotNull(Memberkey.Parse(NCS("42.0")));
// bad examples
Throws(() => Memberkey.Parse(NCS("foo/42")));
// check identifier-, keyword- and number- tests for more info
}