public void Travel(IReadVisitor visitor, TDictionary graph)
{
var valueArgs = VisitArgs.DictionaryValue;
TValue TravelValue()
{
TValue value;
if (_valueVisitor != null)
{
if (!_valueVisitor.TryVisitValue(visitor, valueArgs, out value))
{
throw new InvalidGraphException("There were no corresponding value to the dictionary key.");
}
return(value);
}
if (visitor.TryVisit(valueArgs) != ValueState.Found)
{
throw new InvalidGraphException("There were no corresponding value to the dictionary key.");
}
value = (TValue)_instanceFactory.CreateInstance(_valueType);
_valueTraveller.Travel(visitor, value);
visitor.Leave(valueArgs);
return(value);
}
var keyArgs = VisitArgs.DictionaryKey;
if (_keyVisitor != null)
{
while (_keyVisitor.TryVisitValue(visitor, keyArgs, out var key))
{
var value = TravelValue();
graph.Add(key, value);
}
return;
}
while (visitor.TryVisit(keyArgs) == ValueState.Found)
{
var key = (TKey)_instanceFactory.CreateInstance(_keyType);
_keyTraveller.Travel(visitor, key);
visitor.Leave(keyArgs);
var value = TravelValue();
graph.Add(key, value);
}
}
public void Travel(IReadVisitor visitor, TCollection graph)
{
var itemArgs = VisitArgs.CollectionItem;
if (_valueVisitor != null)
{
while (_valueVisitor.TryVisitValue(visitor, itemArgs, out var value))
{
graph.Add(value);
}
return;
}
while (visitor.TryVisit(itemArgs) == ValueState.Found)
{
var element = (TElement)_instanceFactory.CreateInstance(_elementType);
_elementTraveller.Travel(visitor, element);
graph.Add(element);
visitor.Leave(itemArgs);
}
}