org.aesh.readline.action.mappings.BackwardBigWord Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aesh-readline

Æsh (Another Extendable SHell) Readline API

There is a newer version: 1.17

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.aesh.readline.action.mappings;

import org.aesh.readline.InputProcessor;
import org.aesh.readline.editing.EditMode;

/**
 * @author Ståle W. Pedersen
 */
abstract class BackwardBigWord extends ChangeAction {

    BackwardBigWord(EditMode.Status status) {
        super(status);
    }

    BackwardBigWord(boolean viMode, EditMode.Status status) {
        super(viMode, status);
    }
    @Override
    public void accept(InputProcessor inputProcessor) {
        int cursor = inputProcessor.buffer().buffer().cursor();
        String buffer = inputProcessor.buffer().buffer().asString();

        if(cursor > buffer.length())
            cursor = buffer.length()-1;

        //move back every potential space first
        while(cursor > 0 && isSpace(buffer.charAt(cursor-1)))
            cursor--;

        while(cursor > 0 && !isSpace(buffer.charAt(cursor-1)))
            cursor--;

        apply(cursor, inputProcessor);
    }

}