public Optibacktracker(Grille grid)
{
UnsolvedGrid = grid;
board = new char[UnsolvedGrid.Size, UnsolvedGrid.Size];
rowSet = new bool[UnsolvedGrid.Size,UnsolvedGrid.Size];
columnSet = new bool[UnsolvedGrid.Size,UnsolvedGrid.Size];
blockSet = new bool[UnsolvedGrid.RegionSize, UnsolvedGrid.RegionSize, UnsolvedGrid.Size];
InitArrays();
int i = 0;
foreach (char symbol in UnsolvedGrid.Symbols)
{
eq.Add(symbol, i++);
}
}
public SudokuValidator(Grille grid)
{
var lines = new List<string>();
int count = grid.Cases.GetLength(1);
for (int i = 0; i < count; i++)
{
string line = "";
for (int j = 0; j < count; j++)
{
line += grid.Cases[i, j].Value;
}
lines.Add(line);
}
_lines = lines;
_characterSet = grid.Symbols;
_grid = grid;
}
/// <summary>
/// Save a single grid into a new file
/// </summary>
/// <param name="grid">The grid to be saved</param>
/// <param name="fileName">Exact location of the file where the grid will be saved</param>
/// <returns></returns>
public static bool SaveGrid(Grille grid, string fileName)
{
try
{
var stream = File.CreateText(fileName);
stream.WriteLine(grid.Comment);
stream.WriteLine(grid.Name);
stream.WriteLine(grid.Date);
stream.WriteLine(grid.Symbols);
stream.WriteLine(grid);
return true;
}
catch (IOException)
{
return false;
}
}
/// <summary>
/// Create grids objects from a file, init them and check if they are valid
/// </summary>
/// <param name="filename">The exact location of the file containing the grids</param>
/// <returns>The list of parsed grids</returns>
public static List<Grille> ParseGridsFromFile(string filename)
{
List<Grille> grids = new List<Grille>();
var file = new StreamReader(filename);
string line;
while ((line = file.ReadLine()) != null)
{
var grid = new Grille(line, file.ReadLine(), file.ReadLine(), file.ReadLine().ToCharArray());
string[] tempLines = new string[grid.Symbols.Length];
for (int j = 0; j < grid.Symbols.Length; j++)
{
tempLines[j] = file.ReadLine();
}
var validator = new SudokuValidator(grid.Symbols, tempLines, ref grid);
validator.ExecuteTests();
grids.Add(grid);
}
return grids;
}
public SudokuValidator(IEnumerable<char> characterSet, IEnumerable<string> lines, ref Grille grid)
{
_characterSet = characterSet;
_lines = lines;
_grid = grid;
}