public static IGrid CreateGrid(IGridSize gridSize, IEnumerable<ICell> liveCells)
{
var grid = new Grid(gridSize);
//Mark all cells
foreach (var liveCell in liveCells)
{
grid.MakeCell(liveCell.Position, liveCell.Alive);
}
return grid;
}
/// <summary>
/// Parses a string specifying row and column index of a live
/// <see cref="ICell" />
/// The format of the sting is rowIndex,colIndex | rowIndex,colIndex
/// and returns a <see cref="IGrid{ICell}" /> object containing <paramref name="numberofRows" />
/// rows and <paramref name="numberOfcolumns" />
/// </summary>
/// <param name="gridRowColumnString"> </param>
/// <param name="gridSize"> </param>
/// <returns> </returns>
public static IEnumerable<ICell> ParseLiveCell(this string gridRowColumnString, IGridSize gridSize)
{
//create a grid and initialize it with dead cells
//var grid = CreateGrid(numberofRows, numberOfcolumns);
var liveCells = new List<ICell>();
gridRowColumnString = gridRowColumnString.Trim(' ', RowSeparator);
if (gridRowColumnString.Length != 0) //no alive cells
{
var rowColumnPairs = gridRowColumnString.Split(RowSeparator);
liveCells.AddRange(
rowColumnPairs.Select(rowColumnPair => ParseCellPosition(rowColumnPair, gridSize)).Select(
cellPosition => new Cell(cellPosition, true)).Cast<ICell>());
}
return liveCells;
}
/// <summary>
/// Get the grid size information from user in rownumber,columnnumber format
/// Populate the gridsize field with parsed information
/// </summary>
/// <returns> True or false based on whether procesing is successful or not </returns>
private bool TakeGridSizeFromUser()
{
System.Console.Write("Enter Grid Size in (RowNumber,ColumnNumber) format followed by Enter key : ");
ApplicationLogger.LogMessage(1, "Start getting the Grid size from user", LogCategory.Business,
TraceEventType.Information);
var userInput = System.Console.ReadLine();
var result = false;
try
{
_gridSize = userInput.GetGridSize();
result = true;
}
catch (ArgumentException ex)
{
System.Console.WriteLine("Following error occurred : " + ex.Message);
ApplicationLogger.LogException(1, ex, LogCategory.Business, TraceEventType.Error);
}
catch (Exception ex)
{
System.Console.WriteLine("Unknown error occurred : " + ex.Message);
ApplicationLogger.LogException(1, ex, LogCategory.Business, TraceEventType.Error);
}
return result;
}
private static IPosition ParseCellPosition(string rowColumnPair, IGridSize gridSize)
{
if (!rowColumnPair.Contains(ColumnSeparator)) //no valid row,col index pair
{
throw new ArgumentException(string.Format("The row column pair {0} has no rowColumn separator",
rowColumnPair));
}
var cellIndex = rowColumnPair.Split(ColumnSeparator);
if (!cellIndex.Any()) //no valid row,col index
{
throw new ArgumentException(string.Format("The row column pair {0} is not valid", rowColumnPair));
}
int rowIndex;
if (!Int32.TryParse(cellIndex[0], out rowIndex) || rowIndex < 0 || rowIndex >= gridSize.Rows)
{
throw new ArgumentException(string.Format("The row column pair {0} is not valid", rowColumnPair));
}
int colIndex;
if (!Int32.TryParse(cellIndex[1], out colIndex) || colIndex < 0 || colIndex >= gridSize.Columns)
{
throw new ArgumentException(string.Format("The row column pair {0} is not valid", rowColumnPair));
}
return new Position(rowIndex, colIndex);
}
public GridStorage(IGridSize gridSize)
{
if (gridSize == null) throw new ArgumentNullException("gridSize");
_gridSize = gridSize;
_gridDataContainer = new bool[gridSize.Rows,gridSize.Columns];
}
public Grid(IGridSize gridSize)
{
if (gridSize == null) throw new ArgumentNullException("gridSize");
GridSize = gridSize;
_gridStorage = new GridStorage(gridSize);
}