/// <summary>
/// function for running loop statement commands.
/// </summary>
/// <param name="singleLineCommand"></param>
private void RunCommand(String singleLineCommand)
{
ShapeFactory sf = new ShapeFactory();
Boolean hasEquals = singleLineCommand.Contains("=");
Boolean hasplus = singleLineCommand.Contains("+");
singleLineCommand = Regex.Replace(singleLineCommand, @"\s+", " ");
if (hasEquals)
{
string[] words = singleLineCommand.Split(' ');
for (int i = 0; i < words.Length; i++)
{
words[i] = words[i].Trim();
}
String firstWord = words[0].ToLower();
if (firstWord.Equals("if"))
{
Boolean loop = false;
if (words[1].ToLower().Equals("radius"))
{
if (radius == int.Parse(words[3]))
{
loop = true;
}
}
else if (words[1].ToLower().Equals("width"))
{
if (width == int.Parse(words[3]))
{
loop = true;
}
}
else if (words[1].ToLower().Equals("height"))
{
if (height == int.Parse(words[3]))
{
loop = true;
}
}
else if (words[1].ToLower().Equals("hypotenus"))
{
if (hypotenus == int.Parse(words[3]))
{
loop = true;
}
}
else if (words[1].ToLower().Equals("counter"))
{
if (counter == int.Parse(words[3]))
{
loop = true;
}
}
int ifStartLine = (GetIfStartLineNumber());
int ifEndLine = (GetEndifEndLineNumber() - 1);
loopnumber = ifEndLine;
if (loop)
{
for (int j = ifStartLine; j <= ifEndLine; j++)
{
string oneLineCommand1 = textBox.Lines[j];
oneLineCommand1 = oneLineCommand1.Trim();
if (!oneLineCommand1.Equals(""))
{
RunCommand(oneLineCommand1);
}
}
}
else
{
MessageBox.Show("If Statement is false");
}
}
else
{
string[] words2 = singleLineCommand.Split('=');
for (int j = 0; j < words2.Length; j++)
{
words2[j] = words2[j].Trim();
}
if (words2[0].ToLower().Equals("radius"))
{
radius = int.Parse(words2[1]);
}
else if (words2[0].ToLower().Equals("width"))
{
width = int.Parse(words2[1]);
}
else if (words2[0].ToLower().Equals("height"))
{
height = int.Parse(words2[1]);
}
else if (words2[0].ToLower().Equals("hypotenus"))
{
hypotenus = int.Parse(words2[1]);
}
else if (words2[0].ToLower().Equals("counter"))
{
counter = int.Parse(words2[1]);
}
}
}
else if (hasplus)
{
singleLineCommand = System.Text.RegularExpressions.Regex.Replace(singleLineCommand, @"\s+", " ");
string[] words = singleLineCommand.Split(' ');
if (words[0].ToLower().Equals("repeat"))
{
counter = int.Parse(words[1]);
if (words[2].ToLower().Equals("circle"))
{
int increaseValue = GetSize(singleLineCommand);
radius = increaseValue;
for (int j = 0; j < counter; j++)
{
IShape sh = sf.Getshapes("circle");
sh.GetValues(0, 0, 0, radius);
sh.Draw(graph, 0, 0);
radius += increaseValue;
}
}
else if (words[2].ToLower().Equals("rectangle"))
{
int increaseValue = GetSize(singleLineCommand);
dsize = increaseValue;
for (int j = 0; j < counter; j++)
{
IShape shc = sf.Getshapes("rectangle");
shc.GetValues(dsize, dsize, 0, 0);
shc.Draw(graph, 0, 0);
dsize += increaseValue;
}
}
else if (words[2].ToLower().Equals("triangle"))
{
int increaseValue = GetSize(singleLineCommand);
dsize = increaseValue;
for (int j = 0; j < counter; j++)
{
IShape shp = sf.Getshapes("triangle");
shp.GetValues(dsize, dsize, dsize, 0);
shp.Draw(graph, 0, 0);
dsize += increaseValue;
}
}
}
else
{
string[] words2 = singleLineCommand.Split('+');
for (int j = 0; j < words2.Length; j++)
{
words2[j] = words2[j].Trim();
}
if (words2[0].ToLower().Equals("radius"))
{
radius += int.Parse(words2[1]);
}
else if (words2[0].ToLower().Equals("width"))
{
width += int.Parse(words2[1]);
}
else if (words2[0].ToLower().Equals("height"))
{
height += int.Parse(words2[1]);
}
else if (words2[0].ToLower().Equals("hypotenus"))
{
hypotenus += int.Parse(words2[1]);
}
}
}
else
{
MainCommandline(singleLineCommand);
}
}
/// <summary>
/// Main commandline functon.
/// </summary>
/// <param name="textcmdline">string.</param>
public void MainCommandline(string textcmdline)
{
try
{
//removing spaces in between commands from a particular command line
textcmdline = Regex.Replace(textcmdline, @"\s+", " ");
string[] cmdwords = textcmdline.Split(' ');
for (int i = 0; i < cmdwords.Length; i++)
{
cmdwords[i] = cmdwords[i].Trim();
}
String CommandFirstWord = cmdwords[0].ToLower();
Boolean firstWordCommand = maincommand.Contains(CommandFirstWord);
Boolean firstWordShape = shapecommand.Contains(CommandFirstWord);
ShapeFactory sf = new ShapeFactory();
if (firstWordShape)
{
if (CommandFirstWord.ToLower().Equals("circle"))
{
Boolean secondWordIsVariable = variable.Contains(cmdwords[1].ToLower());
if (secondWordIsVariable)
{
if (cmdwords[1].ToLower().Equals("radius"))
{
IShape sh = sf.Getshapes("circle");
sh.GetValues(0, 0, 0, radius);
sh.Draw(graph, 0, 0);
}
}
else
{
IShape sh = sf.Getshapes("circle");
sh.GetValues(0, 0, 0, float.Parse(cmdwords[1]));
sh.Draw(graph, 0, 0);
}
}
else if (CommandFirstWord.ToLower().Equals("rectangle"))
{
String cmdargs = textcmdline.Substring(9, (textcmdline.Length - 9));
String[] parameters = cmdargs.Split(',');
for (int i = 0; i < parameters.Length; i++)
{
parameters[i] = parameters[i].Trim();
}
Boolean secondWordIsVariable = variable.Contains(parameters[0].ToLower());
Boolean thirdWordIsVariable = variable.Contains(parameters[1].ToLower());
if (secondWordIsVariable)
{
if (thirdWordIsVariable)
{
IShape shc = sf.Getshapes("rectangle");
shc.GetValues(width, height, 0, 0);
shc.Draw(graph, 0, 0);
}
else
{
IShape shc = sf.Getshapes("rectangle");
shc.GetValues(float.Parse(parameters[0]), float.Parse(parameters[1]), 0, 0);
shc.Draw(graph, 0, 0);
}
}
else
{
if (thirdWordIsVariable)
{
IShape shc = sf.Getshapes("rectangle");
shc.GetValues(width, height, 0, 0);
shc.Draw(graph, 0, 0);
}
else
{
IShape shc = sf.Getshapes("rectangle");
shc.GetValues(float.Parse(parameters[0]), float.Parse(parameters[1]), 0, 0);
shc.Draw(graph, 0, 0);
}
}
}
else if (CommandFirstWord.ToLower().Equals("triangle"))
{
String cmdargs = textcmdline.Substring(8, (textcmdline.Length - 8));
String[] parameters = cmdargs.Split(',');
for (int i = 0; i < parameters.Length; i++)
{
parameters[i] = parameters[i].Trim();
}
IShape shp = sf.Getshapes("triangle");
shp.GetValues(float.Parse(parameters[0]), float.Parse(parameters[1]), float.Parse(parameters[2]), 0);
shp.Draw(graph, 0, 0);
}
}
else if (firstWordCommand)
{
if (CommandFirstWord.ToLower().Equals("moveto"))
{
String cmdargs = textcmdline.Substring(6, (textcmdline.Length - 6));
String[] parameters = cmdargs.Split(',');
for (int l = 0; l < parameters.Length; l++)
{
parameters[l] = parameters[l].Trim();
}
movetoX = int.Parse(parameters[0]);
movetoY = int.Parse(parameters[1]);
graph.TranslateTransform(movetoX, movetoY);
}
else if (CommandFirstWord.ToLower().Equals("drawto"))
{
String cmdargs = textcmdline.Substring(6, (textcmdline.Length - 6));
String[] parameters = cmdargs.Split(',');
for (int m = 0; m < parameters.Length; m++)
{
parameters[m] = parameters[m].Trim();
}
drawtoX = int.Parse(parameters[0]);
drawtoY = int.Parse(parameters[1]);
graph.TranslateTransform(drawtoX, drawtoY);
}
else if (CommandFirstWord.ToLower().Equals("clear"))
{
pnldraw.Refresh();
}
else if (CommandFirstWord.ToLower().Equals("reset"))
{
graph.ResetTransform();
}
else if (CommandFirstWord.ToLower().Equals("loop"))
{
counter = int.Parse(cmdwords[1]);
int loopStartLine = (GetLoopStartLineNumber());
int loopEndLine = (GetLoopEndLineNumber() - 1);
loopnumber = loopEndLine;
for (int i = 0; i < counter; i++)
{
for (int j = loopStartLine; j <= loopEndLine; j++)
{
String oneLineCommand = textBox.Lines[j];
oneLineCommand = oneLineCommand.Trim();
if (!oneLineCommand.Equals(""))
{
RunCommand(oneLineCommand);
}
}
}
}
else if (CommandFirstWord.ToLower().Equals("if"))
{
Boolean loop = false;
if (cmdwords[1].ToLower().Equals("radius"))
{
if (radius == int.Parse(cmdwords[1]))
{
loop = true;
}
}
else if (cmdwords[1].ToLower().Equals("width"))
{
if (width == int.Parse(cmdwords[1]))
{
loop = true;
}
}
else if (cmdwords[1].ToLower().Equals("height"))
{
if (height == int.Parse(cmdwords[1]))
{
loop = true;
}
}
else if (cmdwords[1].ToLower().Equals("hypotenus"))
{
if (hypotenus == int.Parse(cmdwords[1]))
{
loop = true;
}
}
else if (cmdwords[1].ToLower().Equals("counter"))
{
if (counter == int.Parse(cmdwords[1]))
{
loop = true;
}
}
int ifStartLine = (GetIfStartLineNumber());
int ifEndLine = (GetEndifEndLineNumber() - 1);
loopnumber = ifEndLine;
if (loop)
{
for (int j = ifStartLine; j <= ifEndLine; j++)
{
String oneLineCommand = textBox.Lines[j];
oneLineCommand = oneLineCommand.Trim();
if (!oneLineCommand.Equals(""))
{
RunCommand(oneLineCommand);
}
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}