/// <summary>
/// Parses the raw instructions of the command.
/// </summary>
/// <param name="instructions">Raw instructions of the command.</param>
protected override void ParseInstructions(string instructions)
{
string[] values;
var count = 3;
var x = 0;
var y = 0;
try
{
values = InstructionHelper.SplitLine(instructions, count);
}
catch (Exception ex)
{
throw new ArgumentException($"Expected {count} values for the confirm position command.", nameof(instructions), ex);
}
try
{
x = InstructionHelper.ConvertToInt(values[0]);
}
catch (Exception ex)
{
throw new ArgumentException("X axis position for the confirm position command could not be converted to an integer.", nameof(instructions), ex);
}
try
{
y = InstructionHelper.ConvertToInt(values[1]);
}
catch (Exception ex)
{
throw new ArgumentException("Y axis position for the confirm position command could not be converted to an integer.", nameof(instructions), ex);
}
this.Coordinates = new Point
{
X = x,
Y = y
};
if (x < 0)
{
throw new ArgumentException("X axis position for the confirm position command cannot be less than zero.", nameof(instructions));
}
if (y < 0)
{
throw new ArgumentException("Y axis position for the confirm position command cannot be less than zero.", nameof(instructions));
}
try
{
this.Heading = InstructionHelper.ConvertStringToHeading(values[2]);
}
catch (Exception ex)
{
throw new ArgumentException("Heading for the confirm position command could not be converted to a string.", nameof(instructions), ex);
}
}
/// <summary>
/// Parses the raw instructions of the command.
/// </summary>
/// <param name="instructions">Raw instructions of the command.</param>
protected override void ParseInstructions(string instructions)
{
string[] values;
var count = 2;
var w = 0;
var h = 0;
try
{
values = InstructionHelper.SplitLine(instructions, count);
}
catch (Exception ex)
{
throw new ArgumentException($"Expected {count} values for the establish grid command.", nameof(instructions), ex);
}
try
{
w = InstructionHelper.ConvertToInt(values[0]);
}
catch (Exception ex)
{
throw new ArgumentException("X axis length for the establish grid command could not be converted to an integer.", nameof(instructions), ex);
}
try
{
h = InstructionHelper.ConvertToInt(values[1]);
}
catch (Exception ex)
{
throw new ArgumentException("Y axis length for the establish grid command could not be converted to an integer.", nameof(instructions), ex);
}
if (w < 0)
{
throw new ArgumentException("X axis length for the establish grid command cannot be less than zero.", nameof(instructions));
}
if (h < 0)
{
throw new ArgumentException("Y axis length for the establish grid command cannot be less than zero.", nameof(instructions));
}
this.Grid = new Size
{
Width = w,
Height = h
};
}
/// <summary>
/// Dispatches commands to be executed.
/// </summary>
/// <param name="commandSet">Command set to dispatch.</param>
public void Dispatch(CommandSet commandSet)
{
if (commandSet == null)
{
throw new ArgumentNullException(nameof(commandSet));
}
this.guidance.Move(commandSet);
this.listener?.Transmit($"{this.guidance.Coordinates.X} {this.guidance.Coordinates.Y} {InstructionHelper.ConvertHeadingToString(this.guidance.Heading)}");
}