/// <summary>
/// Parses a string and returns its corresponding <see cref="ICommand"/>.
/// </summary>
/// <param name="input">The string to parse.</param>
/// <returns>The parsed command.</returns>
public virtual ICommand ParseCommand(string input)
{
input = input.Trim();
ICommand command;
if (this.commands.TryGetValue(input, out command))
{
return command;
}
bool toggleFlag = false;
if (input.StartsWith("m"))
{
// remove the "m"
input = input.Substring(1);
toggleFlag = true;
}
// Extract row and col
var tokens = input.Split(' ');
tokens = tokens.Where(x => !string.IsNullOrEmpty(x)).ToArray();
if (tokens.Length != 2)
{
return this.commands["invalid"];
}
CellPos targetCell = CellPos.Empty;
int parseCommandInteger;
if (int.TryParse(tokens[0], out parseCommandInteger))
{
targetCell.Row = parseCommandInteger;
}
else
{
return this.commands["invalid"];
}
if (int.TryParse(tokens[1], out parseCommandInteger))
{
targetCell.Col = parseCommandInteger;
}
else
{
return this.commands["invalid"];
}
// Parsing was successful, the parsed integers are assigned to targetCell
if (toggleFlag)
{
command = new CmdFlagCell(this.Game, targetCell);
}
else
{
command = new CmdOpenCell(this.Game, targetCell);
}
return command;
}
/// <summary>
/// Parses a string and returns its corresponding <see cref="ICommand"/>.
/// </summary>
/// <param name="input">The string to parse.</param>
/// <returns>The parsed command.</returns>
public virtual ICommand ParseCommand(string input)
{
input = input.Trim();
ICommand command;
if (this.commands.TryGetValue(input, out command))
{
return(command);
}
bool toggleFlag = false;
if (input.StartsWith("m"))
{
// remove the "m"
input = input.Substring(1);
toggleFlag = true;
}
// Extract row and col
var tokens = input.Split(' ');
tokens = tokens.Where(x => !string.IsNullOrEmpty(x)).ToArray();
if (tokens.Length != 2)
{
return(this.commands["invalid"]);
}
CellPos targetCell = CellPos.Empty;
int parseCommandInteger;
if (int.TryParse(tokens[0], out parseCommandInteger))
{
targetCell.Row = parseCommandInteger;
}
else
{
return(this.commands["invalid"]);
}
if (int.TryParse(tokens[1], out parseCommandInteger))
{
targetCell.Col = parseCommandInteger;
}
else
{
return(this.commands["invalid"]);
}
// Parsing was successful, the parsed integers are assigned to targetCell
if (toggleFlag)
{
command = new CmdFlagCell(this.Game, targetCell);
}
else
{
command = new CmdOpenCell(this.Game, targetCell);
}
return(command);
}
public void Test_CmdFlagCell_CtorWithNullThrowsEx()
{
var cmd = new CmdFlagCell(null, CellPos.Empty);
}