/*

 * Copyright (c) 2002-2016, the original author or authors.

 *

 * This software is distributable under the BSD license. See the terms of the

 * BSD license in the documentation provided with this software.

 *

 */

package jdk.internal.org.jline.terminal.impl;

import java.io.IOError;

import java.io.IOException;

import java.nio.charset.Charset;

import java.util.Objects;

import java.util.function.IntConsumer;

import jdk.internal.org.jline.terminal.Attributes;

import jdk.internal.org.jline.terminal.Cursor;

import jdk.internal.org.jline.terminal.Size;

import jdk.internal.org.jline.terminal.spi.Pty;

public abstract class AbstractPosixTerminal extends AbstractTerminal {

    protected final Pty pty;

    protected final Attributes originalAttributes;

    public AbstractPosixTerminal(String name, String type, Pty pty) throws IOException {

        this(name, type, pty, null, SignalHandler.SIG_DFL);

    }

    public AbstractPosixTerminal(String name, String type, Pty pty, Charset encoding, SignalHandler signalHandler) throws IOException {

        super(name, type, encoding, signalHandler);

        Objects.requireNonNull(pty);

        this.pty = pty;

        this.originalAttributes = this.pty.getAttr();

    }

    public Pty getPty() {

        return pty;

    }

    public Attributes getAttributes() {

        try {

            return pty.getAttr();

        } catch (IOException e) {

            throw new IOError(e);

        }

    }

    public void setAttributes(Attributes attr) {

        try {

            pty.setAttr(attr);

        } catch (IOException e) {

            throw new IOError(e);

        }

    }

    public Size getSize() {

        try {

            return pty.getSize();

        } catch (IOException e) {

            throw new IOError(e);

        }

    }

    public void setSize(Size size) {

        try {

            pty.setSize(size);

        } catch (IOException e) {

            throw new IOError(e);

        }

    }

    public void close() throws IOException {

        super.close();

        pty.setAttr(originalAttributes);

        pty.close();

    }

    @Override

    public Cursor getCursorPosition(IntConsumer discarded) {

        return CursorSupport.getCursorPosition(this, discarded);

    }

}