/// <summary>
/// Performs the conversion
/// </summary>
/// <returns>SGF game tree</returns>
public SgfGameTree Convert()
{
var rootGameTree = ProcessNode(_gameTree.GameTreeRoot);
var rootProperties = GetRootProperties();
var gameInfoProperties = GetGameInfoProperties();
//modify the root node
var firstNode = rootGameTree.Sequence.First();
var newSequenceNodeList = new List <SgfNode>();
//check if the first node has a move (mixing move and root properties is not recommended)
if (firstNode["B"] != null || firstNode["W"] != null)
{
//create a new first node
var newNode = new SgfNode(rootProperties.Union(gameInfoProperties));
newSequenceNodeList.Add(newNode);
newSequenceNodeList.AddRange(rootGameTree.Sequence);
}
else
{
//modify first node
var newNode = new SgfNode(rootProperties.Union(gameInfoProperties).Union(firstNode.Properties.Values));
newSequenceNodeList.Add(newNode);
for (int i = 1; i < rootGameTree.Sequence.Count(); i++)
{
newSequenceNodeList.Add(rootGameTree.Sequence.Nodes[i]);
}
}
return(new SgfGameTree(new SgfSequence(newSequenceNodeList), rootGameTree.Children));
}
public void SgfNodeWithRepeatingPropertiesThrowsException()
{
var node = new SgfNode(new SgfProperty[]
{
new SgfProperty("FF", new [] { SgfNumberValue.Parse("4"), }),
new SgfProperty("FF", new [] { SgfNumberValue.Parse("4") }),
});
}
/// <summary>
/// Serializes a SGF node
/// </summary>
/// <param name="node">Node</param>
/// <returns>Serialized node</returns>
private string SerializeNode(SgfNode node)
{
StringBuilder builder = new StringBuilder();
builder.Append(';');
foreach (var property in node)
{
builder.Append(SerializeProperty(property));
}
return(builder.ToString());
}
public void ValidSgfNodeWithPropertiesCanBeCreated()
{
var node = new SgfNode(new []
{
new SgfProperty("FF", new [] { SgfNumberValue.Parse("4") }),
new SgfProperty("C", new [] { SgfTextValue.Parse("Test") })
});
Assert.AreEqual(2, node.Count());
Assert.AreEqual("FF", node["FF"].Identifier);
Assert.AreEqual(4, node["FF"].Value <int>());
Assert.AreEqual("C", node["C"].Identifier);
Assert.AreEqual("Test", node["C"].Value <string>());
}
/// <summary>
/// Parses a SGF sequence
/// </summary>
/// <param name="input">Input</param>
/// <param name="inputPosition">Current input position</param>
/// <returns>SGF sequence</returns>
private SgfSequence ParseSequence(string input, ref int inputPosition)
{
if (input[inputPosition] != ';')
{
throw new SgfParseException($"No sequence found on input position {inputPosition}");
}
List <SgfNode> nodes = new List <SgfNode>();
while (inputPosition < input.Length && input[inputPosition] == ';')
{
SgfNode node = ParseNode(input, ref inputPosition);
nodes.Add(node);
SkipInputWhitespace(input, ref inputPosition);
}
return(new SgfSequence(nodes));
}
public void SgfNodeWithEmptyPropertiesCanBeCreatedSuccessfully()
{
var node = new SgfNode(new SgfProperty[0]);
Assert.AreEqual(0, node.Count());
}
/// <summary>
/// Parses and fills markup properties
/// </summary>
/// <param name="sourceNode">Source SGF node</param>
/// <param name="targetNode">Target game tree node</param>
/// <param name="boardSize">Board size</param>
private void ParseAndFillMarkupProperties(SgfNode sourceNode, GameTreeNode targetNode, GameBoardSize boardSize)
{
// Needs to handle:
string arrow = "AR"; // AR - Arrow
string circle = "CR"; // CR - Circle
string dimPoint = "DD"; // DD - Dim Point
string label = "LB"; // LB - Label
string line = "LN"; // LN - Line
string cross = "MA"; // MA - Mark With X
string selected = "SL"; // SL - Selected
string square = "SQ"; // SQ - Square
string triangle = "TR"; // TR - Triangle
if (sourceNode[arrow] != null)
{
// Add arrow
var property = sourceNode[arrow];
var arrowDefinitions = property.ComposeValues <SgfPoint, SgfPoint>();
foreach (var arrowDefinition in arrowDefinitions)
{
var fromPoint = Position.FromSgfPoint(arrowDefinition.Left, boardSize);
var toPoint = Position.FromSgfPoint(arrowDefinition.Right, boardSize);
targetNode.Markups.AddMarkup(new Arrow(fromPoint, toPoint));
}
}
if (sourceNode[circle] != null)
{
// Add circle
var property = sourceNode[circle];
var pointRectangles = property.SimpleValues <SgfPointRectangle>();
var positions = GetPositionsFromPointRectangles(pointRectangles, boardSize);
foreach (var position in positions)
{
targetNode.Markups.AddMarkup(
new Circle(position));
}
}
if (sourceNode[dimPoint] != null)
{
// Add dim point
var property = sourceNode[dimPoint];
var pointRectangles = property.SimpleValues <SgfPointRectangle>();
foreach (var rectangle in pointRectangles)
{
var topLeft = Position.FromSgfPoint(rectangle.UpperLeft, boardSize);
var bottomRight = Position.FromSgfPoint(rectangle.LowerRight, boardSize);
targetNode.Markups.AddMarkup(new AreaDim(topLeft, bottomRight));
}
}
if (sourceNode[label] != null)
{
// Add label
var property = sourceNode[label];
var labelDefinitions = property.ComposeValues <SgfPoint, string>();
foreach (var labelDefinition in labelDefinitions)
{
targetNode.Markups.AddMarkup(new Label(Position.FromSgfPoint(labelDefinition.Left, boardSize), labelDefinition.Right));
}
}
if (sourceNode[line] != null)
{
// Add line
var property = sourceNode[line];
var lineDefinitions = property.ComposeValues <SgfPoint, SgfPoint>();
foreach (var lineDefinition in lineDefinitions)
{
var startPoint = Position.FromSgfPoint(lineDefinition.Left, boardSize);
var endPoint = Position.FromSgfPoint(lineDefinition.Right, boardSize);
targetNode.Markups.AddMarkup(new Line(startPoint, endPoint));
}
}
if (sourceNode[cross] != null)
{
// Add cross
var property = sourceNode[cross];
var pointRectangles = property.SimpleValues <SgfPointRectangle>();
var positions = GetPositionsFromPointRectangles(pointRectangles, boardSize);
foreach (var position in positions)
{
targetNode.Markups.AddMarkup(
new Cross(position));
}
}
if (sourceNode[selected] != null)
{
// Add selected
// TODO (future work) Vita : implement
}
if (sourceNode[square] != null)
{
// Add square
var property = sourceNode[square];
var pointRectangles = property.SimpleValues <SgfPointRectangle>();
var positions = GetPositionsFromPointRectangles(pointRectangles, boardSize);
foreach (var position in positions)
{
targetNode.Markups.AddMarkup(
new Square(position));
}
}
if (sourceNode[triangle] != null)
{
// Add triangle
var property = sourceNode[triangle];
var pointRectangles = property.SimpleValues <SgfPointRectangle>();
var positions = GetPositionsFromPointRectangles(pointRectangles, boardSize);
foreach (var position in positions)
{
targetNode.Markups.AddMarkup(
new Triangle(position));
}
}
}