Examples with AbstractVisitor org.commonmark.node.AbstractVisitor used on opensource projects

Example 1 with AbstractVisitor

use of org.commonmark.node.AbstractVisitor in project hippo by NHS-digital-website.

the class CommonmarkMarkdownConverter method shiftHeadingsLevels.

private void shiftHeadingsLevels(final Node document, final int headingsLevelsOffset) {
    final AbstractVisitor headingsLevelsShifter = new AbstractVisitor() {

        @Override
        public void visit(final Heading heading) {
            heading.setLevel(heading.getLevel() + headingsLevelsOffset);
            visitChildren(heading);
        }
    };
    document.accept(headingsLevelsShifter);
}

Example 2 with AbstractVisitor

use of org.commonmark.node.AbstractVisitor in project PocketHub by pockethub.

the class MarkwonUtils method createMarkwon.

public static Markwon createMarkwon(Context context, String baseUrl) {
    final Prism4j prism4j = new Prism4j(new GrammarLocatorDef());
    return Markwon.builder(context).usePlugin(StrikethroughPlugin.create()).usePlugin(TaskListPlugin.create(context)).usePlugin(HtmlPlugin.create()).usePlugin(new AbstractMarkwonPlugin() {

        @Override
        public void configureVisitor(@NonNull MarkwonVisitor.Builder builder) {
            builder.on(FencedCodeBlock.class, (visitor, fencedCodeBlock) -> {
                // We actually won't be applying code spans here, as our custom view will
                // draw background and apply mono typeface
                // 
                // NB the `trim` operation on literal (as code will have a new line at the end)
                final CharSequence code = visitor.configuration().syntaxHighlight().highlight(fencedCodeBlock.getInfo(), fencedCodeBlock.getLiteral().trim());
                visitor.builder().append(code);
            });
        }

        @Override
        public void configureParser(@NonNull Parser.Builder builder) {
            super.configureParser(builder);
            builder.postProcessor(new PostProcessor() {

                @Override
                public Node process(Node node) {
                    Visitor t = new AbstractVisitor() {

                        @Override
                        public void visit(HtmlBlock htmlBlock) {
                            String literal = htmlBlock.getLiteral();
                            if (literal.startsWith("<!--")) {
                                htmlBlock.unlink();
                            } else {
                                super.visit(htmlBlock);
                            }
                        }
                    };
                    node.accept(t);
                    return node;
                }
            });
        }
    }).usePlugin(GlideImagesPlugin.create(new GifAwareGlideStore(context))).usePlugin(new SpanLinkPlugin(baseUrl)).usePlugin(new AbstractMarkwonPlugin() {

        @Override
        public void configure(@NonNull Registry registry) {
            registry.require(HtmlPlugin.class, htmlPlugin -> htmlPlugin.addHandler(new AlignHandler()));
        }
    }).usePlugin(TableEntryPlugin.create(TablePlugin.create(context))).usePlugin(SyntaxHighlightPlugin.create(prism4j, Prism4jThemeDefault.create())).usePlugin(new AsyncDrawableSchedulerPlugin()).build();
}

Example 3 with AbstractVisitor

use of org.commonmark.node.AbstractVisitor in project hippo by NHS-digital-website.

the class CommonmarkMarkdownConverter method addBreaksBeforeH2Headings.

private void addBreaksBeforeH2Headings(final Node document) {
    final AtomicBoolean isSubsequentH2Heading = new AtomicBoolean(false);
    final AbstractVisitor horizontalLineAdder = new AbstractVisitor() {

        @Override
        public void visit(final Heading heading) {
            if (heading.getLevel() == 2) {
                if (isSubsequentH2Heading.get()) {
                    heading.insertBefore(new ThematicBreak());
                } else {
                    isSubsequentH2Heading.set(true);
                }
            }
            visitChildren(heading);
        }
    };
    document.accept(horizontalLineAdder);
}

Example 4 with AbstractVisitor

use of org.commonmark.node.AbstractVisitor in project hippo by NHS-digital-website.

the class CommonmarkMarkdownConverter method findTopHeadingLevel.

private int findTopHeadingLevel(final Node document) {
    final AtomicInteger topHeadingLevel = new AtomicInteger();
    final AbstractVisitor topHeadingLevelFinder = new AbstractVisitor() {

        @Override
        public void visit(final Heading heading) {
            if (topHeadingLevel.get() == 0 || heading.getLevel() < topHeadingLevel.get()) {
                topHeadingLevel.set(heading.getLevel());
            }
            visitChildren(heading);
        }
    };
    document.accept(topHeadingLevelFinder);
    return topHeadingLevel.get();
}