private ISudokuPuzzle ParsePuzzle2(string source)
{
ISudokuPuzzle puzzle;
ISudokuPosition currentPosition = new SudokuPosition();
string[] rows = source.Split(DELIMITER_ROW);
string[] cols;
puzzle = new SudokuPuzzle((int)Math.Sqrt(rows.Length));
for (int i = 0; i < rows.Length; i++)
{
currentPosition.RowNumber = i;
cols = rows[i].Split(DELIMITER_COL);
for (int j = 0; j < cols.Length; j++)
{
currentPosition.ColumnNumber = j;
puzzle.SetValue(currentPosition, Int32.Parse(cols[j].ToString()));
}
}
return puzzle;
}
public ISudokuRegion GetRegionByValuePosition(ISudokuPosition position)
{
int regionRow = position.RowNumber / Size;
int regionCol = position.ColumnNumber / Size;
ISudokuPosition regionPosition = new SudokuPosition(regionRow, regionCol);
return GetRegion(regionPosition);
}
private void InitializeRegion(ISudokuPuzzle puzzle, ISudokuPosition position)
{
ISudokuPosition currentPosition = new SudokuPosition();
board = new SimpleSudokuBoard(puzzle.Size);
for (int i = 0; i < puzzle.Size; i++)
{
for (int j = 0; j < puzzle.Size; j++)
{
currentPosition.RowNumber = puzzle.Size * position.RowNumber + i;
currentPosition.ColumnNumber = puzzle.Size * position.ColumnNumber + j;
board.SetValue(i, j, puzzle.GetValue(currentPosition));
}
}
}
private void ParsePuzzle(string source, ISudokuPuzzle puzzle)
{
ISudokuPosition currentPosition = new SudokuPosition();
for (int i = 0; i < source.Length; i++)
{
if (source[i] == DELIMITER_COL)
{
currentPosition.ColumnNumber++;
}
else if (source[i] == DELIMITER_ROW)
{
currentPosition.RowNumber++;
}
else
{
puzzle.SetValue(currentPosition, Int32.Parse(source[i].ToString()));
}
}
}
private bool ValidatePositionRegion(ISudokuPosition position, int value)
{
ISudokuRegion region = GetRegionByValuePosition(position);
ISudokuPosition currentPosition = new SudokuPosition();
for (int i = 0; i < region.Size; i++)
{
currentPosition.RowNumber = i;
for (int j = 0; j < region.Size; j++)
{
currentPosition.ColumnNumber = j;
if (region.GetValue(currentPosition) == value)
{
return false;
}
}
}
return true;
}
private void ParsePuzzleXml(XmlNode source, ISudokuPuzzle puzzle)
{
int squareSize = puzzle.Size * puzzle.Size;
ISudokuPosition currentPosition = new SudokuPosition();
XmlElement elmBoard = source[XML_ELM_BOARD];
XmlElement elmRow;
XmlElement elmCell;
XmlAttribute attRow;
XmlAttribute attCol;
foreach (XmlNode row in elmBoard.ChildNodes)
{
elmRow = (XmlElement)row;
foreach (XmlNode cell in elmRow.ChildNodes)
{
elmCell = (XmlElement)cell;
attRow = elmCell.Attributes[XML_ATT_ROW];
attCol = elmCell.Attributes[XML_ATT_COL];
currentPosition.RowNumber = Int32.Parse(attRow.Value);
currentPosition.ColumnNumber = Int32.Parse(attCol.Value);
puzzle.SetValue(currentPosition, Int32.Parse(elmCell.InnerText));
}
}
//for (int i = 0; i < squareSize; i++)
//{
// currentPosition.RowNumber = i;
// elmRow = (XmlElement)elmBoard.ChildNodes[i];
// for (int j = 0; j < squareSize; j++)
// {
// currentPosition.ColumnNumber = j;
// elmCell = (XmlElement)elmRow.ChildNodes[j];
// puzzle.SetValue(currentPosition, Int32.Parse(elmCell.InnerText));
// }
//}
}
private ISudokuPuzzle ParseInputPuzzleFromForm()
{
ISudokuPuzzle puzzle = new SudokuPuzzle(PUZZLE_SIZE);
ISudokuPosition currentPosition = new SudokuPosition();
foreach (string key in Request.Form.AllKeys)
{
int trash; // Dummy variable
if(Int32.TryParse(key.Substring(0, 1), out trash))
{
string[] row_col = key.Split('_');
currentPosition.RowNumber = Int32.Parse(row_col[0]);
currentPosition.ColumnNumber = Int32.Parse(row_col[1]);
int value = Int32.Parse(Request.Form[key]);
puzzle.SetValue(currentPosition, value);
}
}
return puzzle;
}