Mini-Word-Processor-Java/MiniWPI.java at main · xiunhon/Mini-Word-Processor-Java · GitHub

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importjava.util.Stack;

publicinterfaceMiniWPI {

/** Stack of Characters to the left of the cursor; the ones
 * near the top of the stack are closest to the cursor.
 */
publicstaticfinalStack<Character> left = newStack<Character>();

/** Stack of Characters to the right of the cursor; the ones
 * near the top of the stack are closest to the cursor.
 */
publicstaticfinalStack<Character> right = newStack<Character>();

/** Is cursor at the start of the text? */
publicbooleanisAtStart();


/** Is cursor at the end of the text? */
publicbooleanisAtEnd();


/** Insert c into the string at the cursor. */
publicvoidinsertChar(charc);

/** Move cursor left 1 character. If we're already at the
 * start of the string, do nothing.
 */
publicvoidmoveLeft();


/** Move cursor right 1 character. If we're already at the
 * end of the string, do nothing.
 */
publicvoidmoveRight();


/** Delete character before the cursor. If there is none,
 * do nothing. */
publicvoidbackspace();


/** Delete character after the cursor. If there is none,
 * do nothing. */
publicvoiddelete();


/** Move cursor to start of the text. */
publicvoidmoveToStart();


/** Move cursor to end of the text. */
publicvoidmoveToEnd();


/** Convert to string. The cursor position is ignored.
 * @see toStringCursor
 */
publicStringtoString();
/** Like toString, but the special character | is included
 * to mark the cursor position.
 */
publicStringtoStringCursor();


/** Search forward for the next occurrence of c that starts at the
 * cursor or later. If found, leave the cursor immediately after
 * that occurrence and return true. Else, leave the cursor at the
 * end of the text and return false. */

publicbooleansearch(charc);


/** Method that reads in the string that was retrieved from the top of the Queue and
 * executes the appropriate command. It also calls a method to print out the command
 * just executed and the resulting stacks
 */

publicvoidprocessCommand(Strings);


/* Method to print out a command and the results */

publicvoidprinttest(Strings);
}