public static SudokuIntermediateSolution LoadFromFile(string a_fileName)
{
if (Path.GetExtension(a_fileName) == FileExtensions.ZipExt)
{
try
{
using (FileStream file_stream = new FileStream(a_fileName, FileMode.Open, FileAccess.Read))
{
using (GZipStream gzip_stream = new GZipStream(file_stream, CompressionMode.Decompress))
{
using (StreamReader stream_reader = new StreamReader(gzip_stream, Encoding.ASCII))
{
return(SudokuIntermediateSolution.LoadFromXML(XElement.Load(stream_reader)));
}
}
}
}
catch
{
return(null);
}
}
else if (Path.GetExtension(a_fileName) == FileExtensions.XmlExt)
{
return(SudokuIntermediateSolution.LoadFromXML(XElement.Load(a_fileName)));
}
else
{
return(null);
}
}
private static SudokuIntermediateSolution LoadFromXML(XElement a_element)
{
try
{
SudokuBoard before = SudokuBoard.LoadFromXML(a_element.Element("board_before"));
SudokuBoard after = SudokuBoard.LoadFromXML(a_element.Element("board_after"));
SudokuSolution solution = SudokuSolution.LoadFromXML(a_element.Element("solution"), before);
SudokuIntermediateSolution intermediate_solution = new SudokuIntermediateSolution(before, after, solution);
return(intermediate_solution);
}
catch
{
return(null);
}
}
public override bool Equals(object a_obj)
{
if (a_obj == null)
{
return(false);
}
if (ReferenceEquals(this, a_obj))
{
return(true);
}
SudokuIntermediateSolution intermediate_solution = a_obj as SudokuIntermediateSolution;
if (intermediate_solution == null)
{
return(false);
}
return(m_before.Equals(intermediate_solution.m_before) &&
m_after.Equals(intermediate_solution.m_after) &&
m_solution.Equals(intermediate_solution.m_solution));
}
public static SudokuIntermediateSolution Rotate(this SudokuIntermediateSolution a_inter_sol)
{
SudokuBoard before = Rotate(a_inter_sol.Before);
return(new SudokuIntermediateSolution(before, Rotate(a_inter_sol.After), Rotate(a_inter_sol.Solution, before)));
}