// class [ assoc class ]
private bool ParseClassOrAssociation(ClassDiagram cd)
{
// class
var c = ParseClass();
if (c == null)
{
// error must have been flagged by class parsing
return(false);
}
cd.AddClass(c);
// either there is an association afterwards or not
// if there is none, then either this is the end of input
// or a comma follows.
var sourceClass = c;
do
{
var assoc = ParseAssociation();
if (assoc == null)
{
break;
}
// assoc did parse, must be followed by class
var c2 = ParseClass();
if (c2 == null)
{
return(false);
}
cd.AddClass(c2);
cd.Add(new Association(assoc, sourceClass, c2));
sourceClass = c2;
} while (true);
return(true);
}
