96 lines
3.9 KiB
Java
96 lines
3.9 KiB
Java
/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2019-2022 by Robert Greene and others
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* robgreene at users.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package io.github.applecommander.acx.command;
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import java.util.Optional;
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import java.util.function.Consumer;
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import com.webcodepro.applecommander.storage.Disk;
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import com.webcodepro.applecommander.storage.compare.ComparisonResult;
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import com.webcodepro.applecommander.storage.compare.DiskDiff;
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import io.github.applecommander.acx.base.ReadOnlyDiskImageCommandOptions;
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import io.github.applecommander.acx.converter.DiskConverter;
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import picocli.CommandLine.ArgGroup;
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import picocli.CommandLine.Command;
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import picocli.CommandLine.Option;
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import picocli.CommandLine.Parameters;
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@Command(name = "compare", description = "Compare two disk images.")
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public class CompareCommand extends ReadOnlyDiskImageCommandOptions {
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@Parameters(arity = "1", converter = DiskConverter.class, description = "Second image to compare to.")
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private Disk disk2;
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@ArgGroup(heading = "%nComparison Strategy Selection:%n")
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private StrategySelection strategySelection = new StrategySelection();
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@Option(names = { "-l", "--limit" }, description = "Set limit to messages displayed.")
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private Optional<Integer> limit = Optional.empty();
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@Override
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public int handleCommand() throws Exception {
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DiskDiff.Builder builder = DiskDiff.create(disk, disk2);
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strategySelection.strategy.accept(builder);
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ComparisonResult result = builder.compare();
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if (result.getDifferenceCount() == 0) {
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System.out.println("The disks match.");
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}
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else {
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System.out.println("The disks do not match.");
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limit.map(result::getLimitedMessages)
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.orElseGet(result::getAllMessages)
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.forEach(System.out::println);
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if (result.getDifferenceCount() > limit.orElse(Integer.MAX_VALUE)) {
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System.out.printf("There are %d more messages.\n", result.getDifferenceCount() - limit.get());
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}
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}
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return 0;
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}
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public static class StrategySelection {
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private Consumer<DiskDiff.Builder> strategy = this::nativeGeometry;
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@Option(names = "--native", description = "Compare by native geometry.")
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private void selectNativeGeometry(boolean flag) {
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strategy = this::nativeGeometry;
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}
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@Option(names = "--block", description = "Compare by block geometry.")
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private void selectBlockGeometry(boolean flag) {
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strategy = this::blockGeometry;
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}
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@Option(names = { "--track-sector", "--ts" }, description = "Compare by track/sector geometry.")
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private void selectTrackSectorGeometry(boolean flag) {
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strategy = this::trackSectorGeometry;
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}
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private void nativeGeometry(DiskDiff.Builder builder) {
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builder.selectCompareByNativeGeometry();
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}
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private void blockGeometry(DiskDiff.Builder builder) {
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builder.selectCompareByBlockGeometry();
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}
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private void trackSectorGeometry(DiskDiff.Builder builder) {
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builder.selectCompareByTrackSectorGeometry();
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}
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}
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}
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