public static void SaveSudoku(WholeGrid grid, string filepath)
{
filepath = filepath.EndsWith(".xml") ? filepath : filepath + ".xml";
XmlWriter xmlwriter = XmlWriter.Create(filepath, XML_Formatting.GetSettings());
xmlwriter.WriteStartDocument();
xmlwriter.WriteStartElement("sudoku");
for (short X = 0; X < 3; X++)
{
for (short Y = 0; Y < 3; Y++)
{
xmlwriter.WriteStartElement("Cube");
xmlwriter.WriteAttributeString("x", X.ToString());
xmlwriter.WriteAttributeString("y", Y.ToString());
for (short x = 0; x < 3; x++)
{
xmlwriter.WriteStartElement("subcolumn");
xmlwriter.WriteAttributeString("x", x.ToString());
for (short y = 0; y < 3; y++)
{
xmlwriter.WriteStartElement("val");
xmlwriter.WriteAttributeString("y", y.ToString());
xmlwriter.WriteValue(grid[X][Y][x][y]);
xmlwriter.WriteEndElement();
}
xmlwriter.WriteEndElement();
}
xmlwriter.WriteEndElement();
}
}
xmlwriter.WriteEndElement();
xmlwriter.WriteEndDocument();
xmlwriter.Close();
}
public static bool ParseSudoku(string filepath, out WholeGrid grid)
{
filepath = filepath.EndsWith(".xml") ? filepath : filepath + ".xml";
if (!File.Exists(filepath))
{
grid = null;
return(false);
}
grid = new WholeGrid();
XmlReader xmlreader = XmlReader.Create(filepath);
while (xmlreader.Read())
{
if (xmlreader.IsStartElement("Cube"))
{
int X = int.Parse(xmlreader["x"]);
int Y = int.Parse(xmlreader["y"]);
XmlReader cube = xmlreader.ReadSubtree();
while (cube.Read())
{
if (cube.IsStartElement("subcolumn"))
{
int x = int.Parse(cube["x"]);
XmlReader subcolumn = xmlreader.ReadSubtree();
while (subcolumn.Read())
{
if (subcolumn.IsStartElement("val"))
{
int y = int.Parse(subcolumn["y"]);
subcolumn.Read();
grid[X][Y][x][y] = int.Parse(subcolumn.Value);
}
}
}
}
}
}
return(true);
}