import java.util.regex.MatchResult;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Checks adoc files for broken links.
 */
@CacheableTask
public abstract class FindBrokenInternalLinks extends DefaultTask {

    // <<groovy_plugin.adoc#groovy_plugin,Groovy>>
    private final Pattern linkPattern = Pattern.compile("<<([^,>]+)[^>]*>>");
    // groovy_plugin.adoc#groovy_plugin,Groovy

    }

    private void checkXrefLinksInUserManualAreValid(ProjectLayout layout, TaskContainer tasks, GradleDocumentationExtension extension) {
        TaskProvider<FindBrokenInternalLinks> checkDeadInternalLinks = tasks.register("checkDeadInternalLinks", FindBrokenInternalLinks.class, task -> {
            task.getReportFile().convention(layout.getBuildDirectory().file("reports/dead-internal-links.txt"));