public BrigitGraph CreateGraph(YamlSequenceNode rootGraphNode)
{
var graph = new BrigitGraph();
foreach (YamlNode node in rootGraphNode)
{
string brigitNodeType = ((YamlMappingNode)node).Children.Keys.First().ToString();
switch (brigitNodeType)
{
case "dialog":
var brigitNode = new Node(CreateDialog((YamlMappingNode)node));
graph.AddNode(brigitNode);
break;
case "decision":
var subGraph = CreateDecision((YamlMappingNode)node);
graph.AddGraph(subGraph);
break;
case "fork":
var forkGraph = CreateFork((YamlMappingNode)node);
graph.AddGraph(forkGraph);
break;
default:
throw new Exception(String.Format("Node Type {0} not recognized", brigitNodeType));
}
}
return(graph);
}
public void Add_LinkedListToLinkedList_NoException()
{
BrigitGraph ll = new BrigitGraph();
Node n1 = new Node()
{
Data = 1
};
ll.AddNode(n1);
Node n2 = new Node()
{
Data = 2
};
ll.AddNode(n2);
Node n3 = new Node()
{
Data = 3
};
ll.AddNode(n3);
Node nn1 = new Node()
{
Data = 4
};
Node nn2 = new Node()
{
Data = 5
};
Node nn3 = new Node()
{
Data = 6
};
BrigitGraph ll2 = new BrigitGraph();
ll2.AddNode(nn1);
ll2.AddNode(nn2);
ll2.AddNode(nn3);
ll.AddGraph(ll2);
}
// public for testing purpose
// this chooses what is parsed next, IE a branch, a dialog or descision
public BrigitGraph ParseBrigitGraph(TomeStream stream)
{
BrigitGraph ll = new BrigitGraph();
while (!(stream.Complete() || stream.PeekChar() == '}'))
{
// getting rid of some beginning whitespace
EatWhitespace(stream);
// the real parsing starts here
// can't use switch need to use if elses
char c = stream.PeekChar();
if (Char.IsLetterOrDigit(c))
{
// start parsing as a dialog
// this one is simple. parse the dialog. then add
// it to the list
Node n = ParseDialog(stream);
// for the new AddInBetween function
// this will only work for whatever comes next. This isn't very good
// if there's multiple branches to place
// TODO make this functionality work better with dummy tail in the subgraphs
foreach (KeyValuePair <string, OpenChoice> kvp in BranchesToPlace)
{
if (kvp.Value.TailNode == null)
{
kvp.Value.TailNode = n;
break;
}
}
ll.AddNode(n);
}
else if (c == '@')
{
// naybe use a struct here?
Dictionary <string, OpenChoice> branchesToNode = new Dictionary <string, OpenChoice>();
// TODO change signature of ParseDescision to (obj stream, Dict brachesToNode)
BrigitGraph subGraph = ParseDescision(stream, branchesToNode);
foreach (KeyValuePair <string, OpenChoice> kvp in branchesToNode)
{
BranchesToPlace.Add(kvp.Key, kvp.Value);
}
// adding the dictionary entries to this
ll.AddGraph(subGraph);
}
else if (c == '{')
{
// this is a branch selector
// we can just pass in the big dictionary
BrigitGraph subGraph = ParseBranchSelector(BranchesToPlace);
ll.AddGraph(subGraph);
}
else if (c == '>')
{
// this is a branch name
// TODO change signature of ParseBranch to ParseBranch(stream, ref string branchName)
// TODO i'll probably need a wrapper for the Node and Ch entires
string branchName = String.Empty;
BrigitGraph subGraph = ParseBranch(stream, ref branchName);
if (BranchesToPlace.ContainsKey(branchName))
{
OpenChoice openCh = BranchesToPlace[branchName];
Node n = openCh.EnclosingNode;
Choice ch = openCh.BranchingChoice;
ll.AddInBetween(n, new List <Node>()
{
openCh.TailNode
}, subGraph);
ch.NextNode = n.Next.Count - 1;
}
else
{
String msg = String.Format("{0} not found in dictionary, could the name be mispelled?",
branchName);
throw new Exception(msg);
}
}
else
{
// panic here
String msg = String.Format("Expected beginning of character name, branch or chioce but found {0} at {1}",
stream.PeekChar(), stream.Position);
throw new Exception(msg);
}
EatWhitespace(stream);
}
if (!stream.Complete())
{
AssertChar(stream, '}');
}
return(ll);
}
public void Parse_TomeTest2()
{
var yaml = new YamlStream();
yaml.Load(GetReader("TomeTest_2.yml"));
var mapping = (YamlMappingNode)yaml.Documents[0].RootNode;
var yamlParser = new BrigitYamlParser(mapping);
var conv = yamlParser.CreateGraphFromYaml();
BrigitGraph constructed = new BrigitGraph();
constructed.AddNode(new Node()
{
Data = new Dialog("Yulia", "What the f**k is this", "What are you doing?")
});
// the choice sub graph
BrigitGraph subGraph = new BrigitGraph();
Decision root = new Decision()
{
Choices = new List <Choice>()
{
new Choice("Nothing", 0),
new Choice("Everything", 2),
new Choice("Go away", 1),
}
};
subGraph.AddNode(new Node()
{
Data = root
});
// the first branch
BrigitGraph nothingBranch = new BrigitGraph();
nothingBranch.AddNode(new Node()
{
Data = new Dialog("Yulia", "You're lying")
});
nothingBranch.AddNode(new Node()
{
Data = new Dialog("Diego", "Yeah she is")
});
subGraph.AddBranch(subGraph.Head, nothingBranch);
// the second branch pointed to by the 3rd choice
BrigitGraph goAwayBranch = new BrigitGraph();
goAwayBranch.AddNode(new Node()
{
Data = new Dialog("Yulia", "NO")
});
subGraph.AddBranch(subGraph.Head, goAwayBranch);
constructed.AddGraph(subGraph);
constructed.AddNode(new Node()
{
Data = new Dialog("Diego", "There's a lot of yelling going on right now")
});
bool checker = conv.Equals(constructed);
Assert.AreEqual(true, checker);
}