Removed Converter class from Command file

This commit is contained in:
Lukasz Baldyga committed 2020-10-12 12:47:41 +01:00
1 parent fc1ee1da6f
commit 6380549a9b
1 file changed
+10 -113
@@ -11,108 +11,14 @@ using System.Xml.Serialization;
namespace Advanced_Software_Engineering namespace Advanced_Software_Engineering
{ {
public static class Converters
{
/// <summary>
/// This function removes spaces from the start and the end of the text. This should be unit tested.
/// </summary>
/// <param name="text">Simply any string of any size</param>
/// <returns>A string without spaces at the begining or the end</returns>
/// <example>
/// For example
/// <code>
/// string a = " a simple sentence surrounded by spaces ";
/// string b = StripSpaces(a);
/// Console.WriteLine(b); // => "a simple sentence surrounded by spaces";
/// </code>
/// </example>
/// <example>
/// The code won't remove internal double spaces:
/// <code>
/// string a = " a simple sentence surrounded by spaces ";
/// string b = StripSpaces(a);
/// Console.WriteLine(b); // => "a simple sentence surrounded by spaces";
/// </code>
/// </example>
public static string Strip(string text)
{
int start;
for (start = 0; start < text.Length; start++)
{
char character = text[start];
if (character != " "[0]) break;
}
int end;
for (end = text.Length - 1; end >= 0; end--)
{
char character = text[end];
if (character != " "[0]) break;
}
return text.Substring(start, end);
}
public static int ConvertToInt(string text)
{
text = Strip(text);
return int.Parse(text);
}
public static List<string> StripStringArray(string[] array)
{
List<string> newStringList = new List<string>();
foreach (string arrayElement in array)
{
string strippedElement = Strip(arrayElement);
if (strippedElement.Length == 0) continue;
else newStringList.Add(strippedElement);
}
return newStringList;
}
public static Dictionary<string, string[]> CommandAndParameterParser(string text)
{
Dictionary<string, string[]> commandAndParameters = new Dictionary<string, string[]>();
//split the command from the parameters
string[] parameters = Strip(text).Split(new char[] { " "[0] }, 2);
//set command var
string command = Strip(parameters[0]);
commandAndParameters["command"] = new string[] { command };
//seperate all of the parameters by a comma
parameters = parameters[1].Split(","[0]);
//Remove spaces around parameters
parameters = StripStringArray(parameters).ToArray();
//set parameter list
commandAndParameters["parameters"] = parameters;
return commandAndParameters;
}
}
class VerbFactory class VerbFactory
{ {
Type type; public static Verb MakeVerb(Drawer drawer, string fullCommand)
Drawer drawer;
Verb verb;
public Verb MakeVerb(Drawer drawer, string fullCommand)
{ {
this.drawer = drawer;
Dictionary<string, string[]> commandAndParameters = Converters.CommandAndParameterParser(fullCommand); Dictionary<string, string[]> commandAndParameters = SettingsAndHelperFunctions.CommandAndParameterParser(fullCommand);
string command = commandAndParameters["command"][0]; string command = commandAndParameters["command"][0];
string[] parameters = commandAndParameters["parameters"]; string[] parameters = commandAndParameters["parameters"];
@@ -127,8 +33,8 @@ namespace Advanced_Software_Engineering
{ {
return new return new
MoveTo(drawer, MoveTo(drawer,
Converters.ConvertToInt(parameters[0]), SettingsAndHelperFunctions.ConvertToInt(parameters[0]),
Converters.ConvertToInt(parameters[1])); SettingsAndHelperFunctions.ConvertToInt(parameters[1]));
} }
catch (Exception e) catch (Exception e)
@@ -139,6 +45,8 @@ namespace Advanced_Software_Engineering
else throw new Exception("Command has an incorrect number of parameters"); else throw new Exception("Command has an incorrect number of parameters");
case "drawto": case "drawto":
case "line":
case "lineto":
//Check parameters //Check parameters
if (parameters.Length == 2) if (parameters.Length == 2)
{ {
@@ -146,8 +54,8 @@ namespace Advanced_Software_Engineering
{ {
return new return new
DrawTo(drawer, DrawTo(drawer,
Converters.ConvertToInt(parameters[0]), SettingsAndHelperFunctions.ConvertToInt(parameters[0]),
Converters.ConvertToInt(parameters[1])); SettingsAndHelperFunctions.ConvertToInt(parameters[1]));
} }
catch (Exception e) catch (Exception e)
@@ -163,17 +71,6 @@ namespace Advanced_Software_Engineering
} }
} }
public void ExecuteCommand()
{
verb.ExecuteVerb();
}
public Type getType()
{
return type;
}
} }
public interface Verb public interface Verb
@@ -240,7 +137,7 @@ namespace Advanced_Software_Engineering
throw new Exception("Cannot create shape with only two verticies. Are you thinking of 'drawto'/'moveto'/'line'?"); throw new Exception("Cannot create shape with only two verticies. Are you thinking of 'drawto'/'moveto'/'line'?");
} }
finishDown = drawer.isPenDown(); finishDown = drawer.IsPenDown();
//Move pen to every vertex. //Move pen to every vertex.
//Using MoveTo rather than LineTo because LineTo would be slower if done multiple times (pen up pen down over and over if the pen wasn't down initially) //Using MoveTo rather than LineTo because LineTo would be slower if done multiple times (pen up pen down over and over if the pen wasn't down initially)
@@ -292,7 +189,7 @@ namespace Advanced_Software_Engineering
public void ExecuteVerb() public void ExecuteVerb()
{ {
drawer.setPen(penStatus); drawer.SetPen(penStatus);
} }
} }