Operation.java

/*
 * Diff
 *
 * Copyright 2006 Google Inc.
 * http://code.google.com/p/google-diff-match-patch/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.morimekta.strings.diff;

/**
 * The data structure representing a diff is a Linked list of DiffBase objects:
 * {Change(Operation.DELETE, "Hello"), Change(Operation.INSERT, "Goodbye"),
 *  Change(Operation.EQUAL, " world.")}
 * which means: delete "Hello", add "Goodbye" and keep " world."
 */
public enum Operation {
    DELETE('-'),
    INSERT('+'),
    EQUAL(' '),
    ;

    public final char patch;

    Operation(char patch) {this.patch = patch;}
}