/**
* **********************************************************
*
* @param args
* <p>Main method used for generic testing
* *********************************************************
*/
public static void main(String[] args) {
MyLinkedList<Character> list = new MyLinkedList<Character>();
list.addFirst(' ');
list.addFirst('O');
list.addFirst('L');
list.addFirst('L');
list.addFirst('E');
list.addFirst('H');
list.addAtEnd('W');
list.addAtEnd('O');
list.addAtEnd('R');
list.addAtEnd('L');
list.addAtEnd('D');
list.addAtEnd('!');
System.out.println(list);
list.addAtLocation('d', 9);
// myInter.processCommand("b Q 9");
System.out.println(list);
list.deleteAtLocation(5);
System.out.println(list);
list.swap(1, 5);
System.out.println(list);
list.deleteGroup(1, 3);
System.out.println(list);
}
/**
* ************************************************************
*
* @param command user specified mixing command
* <p>Takes user defined string and mixes linked list accordingly.
* ***********************************************************
*/
public String processCommand(String command) {
// splits command by spaces
String[] split = command.split("\\s+");
char returnMe = 'N';
if (split[0].length() == 1) {
// switches function based on initial letter command
switch ((char) split[0].charAt(0)) {
// insert character at location
case 'b':
try {
Integer.parseInt(split[2]);
} catch (NumberFormatException e) {
System.out.println("\n\tERROR: NON_NUMBER LOCATION!\n");
break;
}
message.addAtLocation((char) split[1].charAt(0), Integer.parseInt(split[2]));
break;
// removes character at position
case 'r':
try {
// check for "top" node change
if (Integer.parseInt(split[1]) == 1) message.setTop(message.getTop().getNext());
else {
returnMe = message.deleteAtLocation(Integer.parseInt(split[1])).getData();
if (returnMe == ' ') returnMe = '_';
}
} catch (NumberFormatException e) {
System.out.println("\n\tERROR: NON_NUMBER LOCATION!\n");
}
break;
// switch characters at positions
case 'w':
try {
message.swap(Integer.parseInt(split[1]) - 1, Integer.parseInt(split[2]) - 1);
} catch (NumberFormatException e) {
System.out.println("\n\tERROR: NON_NUMBER LOCATION!\n");
}
break;
// cut to clip board
case 'x':
try {
message.copyToClipBoard(
(Integer.parseInt(split[1]) - 1), (Integer.parseInt(split[2])) - 1);
message.deleteGroup((Integer.parseInt(split[1]) - 1), (Integer.parseInt(split[2])) - 1);
message.setCurrentClip(message.getCurrentClip().replace(' ', '_'));
} catch (NumberFormatException e) {
System.out.println("\n\tERROR: NON_NUMBER LOCATION!\n");
}
break;
// paste from clip board
case 'p':
try {
message.pasteFromClipboard(Integer.parseInt(split[1]) - 1);
} catch (NumberFormatException e) {
System.out.println("\n\tERROR: NON_NUMBER LOCATION!\n");
}
break;
// copy from clip board
case 'c':
try {
message.copyToClipBoard(
(Integer.parseInt(split[1]) - 1), (Integer.parseInt(split[2])) - 1);
} catch (NumberFormatException e) {
System.out.println("\n\tERROR: NON_NUMBER LOCATION!\n");
}
break;
// prints current clip board
case 'v':
if (message.getCurrentClip() != null)
System.out.println(
"Current Clip Board: "
+ (message.getCurrentClip().replace('_', ' '))
+ " < "
+ message.getCurrentClip().length()
+ " char long >");
else System.out.println("CLIP BOARD IS EMPTY");
break;
// clears clip board
case 'e':
message.setCurrentClip(null);
System.out.println("CLIP BOARD CLEARED");
break;
// adds node at end
case 'a':
message.addAtEnd((char) split[1].charAt(0));
break;
// saves commands
case 's':
save(split[1]);
System.out.println("Saved Message:" + message.ToStringNoSpaces());
break;
default:
System.out.println("\n\tERROR: UNKNOWN COMMAND!\n");
}
// save command, and clip board if applicable, for saving to file
if (message.getCurrentClip() != null) {
if ((char) split[0].charAt(0) == 'r') {
commands.add(command + " " + returnMe + message.getCurrentClip() + "\n");
} else commands.add(command + " " + message.getCurrentClip() + "\n");
} else {
if ((char) split[0].charAt(0) == 'r') {
commands.add(command + " " + returnMe + "\n");
} else commands.add(command + "\n");
}
} else
// if command is not known
System.out.println("\n\tERROR: UNKNOWN COMMAND!\n");
return command;
}
