com.vladsch.flexmark.html.HtmlRenderer Java Examples

@Override
public void processBody(final ParserContext context) {
    List<String> mdExts = context.getConfig().getMarkdownExtensions();

    int extensions = PegdownExtensions.NONE;

    for (String ext : mdExts) {
        if (ext.startsWith("-")) {
            ext = ext.substring(1);
            extensions = removeExtension(extensions, extensionFor(ext));
        } else {
            if (ext.startsWith("+")) {
                ext = ext.substring(1);
            }
            extensions = addExtension(extensions, extensionFor(ext));
        }
    }

    DataHolder options = PegdownOptionsAdapter.flexmarkOptions(extensions);

    Parser parser = Parser.builder(options).build();
    HtmlRenderer renderer = HtmlRenderer.builder(options).build();

    Document document = parser.parse(context.getBody());
    context.setBody(renderer.render(document));
}
 

@Override
protected String load() {
    String markDownValue = markDawnModel.getObject();
    if (Strings.isEmpty(markDownValue)) {
        return "";
    }
    try {
        MutableDataSet options = new MutableDataSet();
        options.set(Parser.EXTENSIONS, createExtensions());
        Parser parser = Parser.builder(options).build();
        HtmlRenderer renderer = HtmlRenderer.builder(options).build();

        Node node = parser.parse(markDawnModel.getObject());
        markDownValue = renderer.render(node);
    } catch (Exception e) {
        throw new WicketRuntimeException("Can't use flexmark-java for markups", e);
    }
    return markDownValue;
}
 

public static String getHtmlFromMarkdown(String md){
  MutableDataSet options = new MutableDataSet();

  // uncomment to set optional extensions
  //options.set(Parser.EXTENSIONS, Arrays.asList(TablesExtension.create(), StrikethroughExtension.create()));

  // uncomment to convert soft-breaks to hard breaks
  //options.set(HtmlRenderer.SOFT_BREAK, "<br />\n");

  Parser parser = Parser.builder(options).build();
  HtmlRenderer renderer = HtmlRenderer.builder(options).build();
  Node document = parser.parse(md);
  String html = renderer.render(document);
  //do some more formatting
  html = RegexUtils.replaceMarkdownImage(html);
  html = RegexUtils.replacePlainImageLinks(html);
  return html;
}
 

@Override
protected String doInBackground(String... strings) {
    Parser parser = Parser.builder(OPTIONS)
            .extensions(EXTENSIONS)
            .build();

    HtmlRenderer renderer = HtmlRenderer.builder(OPTIONS)
            .escapeHtml(true)
            .attributeProviderFactory(new IndependentAttributeProviderFactory() {
                @Override
                public AttributeProvider create(NodeRendererContext context) {
                    return new CustomAttributeProvider();
                }
            })
            .nodeRendererFactory(new NodeRendererFactoryImpl())
            .extensions(EXTENSIONS)
            .build();

    return renderer.render(parser.parse(strings[0]));
}
 

private static synchronized HtmlRenderer getHTMLRenderer( String rootUrl, boolean hardwrapsEnabled ){
  	if(!currentRootUrl.equals(rootUrl) && rootUrl != null ) {
	currentRootUrl = rootUrl;
	RENDERER_HW = null;
	RENDERER_NOHW = null;
	String linkPrefix = rootUrl + "/";
	optionsHardWraps.set(WikiLinkExtension.LINK_PREFIX, linkPrefix);
	optionsNoHardWraps.set(WikiLinkExtension.LINK_PREFIX, linkPrefix);
}
  	
  	if(hardwrapsEnabled){
  		if(RENDERER_HW == null){    			
  			RENDERER_HW = HtmlRenderer.builder( optionsHardWraps ).build();
  		}
  		return RENDERER_HW;
  	} else {
  	    if(RENDERER_NOHW == null){
  	    	RENDERER_NOHW = HtmlRenderer.builder( optionsNoHardWraps ).build();
  	    }
  	    return RENDERER_NOHW;
  	}
  }
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    rendererBuilder.linkResolverFactory(new LinkResolverFactory() {
        @Override
        public Set<Class<? extends LinkResolverFactory>> getAfterDependents() {
            return null;
        }

        @Override
        public Set<Class<? extends LinkResolverFactory>> getBeforeDependents() {
            return null;
        }

        @Override
        public boolean affectsGlobalScope() {
            return false;
        }

        @Override
        public LinkResolver create(LinkResolverContext context) {
            return linkResolver;
        }
    });
}
 

protected void makeConverter() {
    try {
        parserOptions = new MutableDataSet();
        parserOptions.setFrom(ParserEmulationProfile.valueOf(emulationSelector.getValue()));
        parserOptions.set(Parser.EXTENSIONS, Arrays.asList(
                //                    AbbreviationExtension.create(),
                //                    DefinitionExtension.create(),
                //                    FootnoteExtension.create(),
                //                    TypographicExtension.create(),
                TablesExtension.create()
        ));
        parserOptions.set(HtmlRenderer.INDENT_SIZE, indentSize)
                //                    .set(HtmlRenderer.PERCENT_ENCODE_URLS, true)
                //                    .set(TablesExtension.COLUMN_SPANS, false)
                .set(TablesExtension.TRIM_CELL_WHITESPACE, trimCheck.isSelected())
                .set(TablesExtension.APPEND_MISSING_COLUMNS, appendCheck.isSelected())
                .set(TablesExtension.DISCARD_EXTRA_COLUMNS, discardCheck.isSelected())
                .set(TablesExtension.APPEND_MISSING_COLUMNS, appendCheck.isSelected());

        parser = Parser.builder(parserOptions).build();
        renderer = HtmlRenderer.builder(parserOptions).build();

    } catch (Exception e) {
        logger.error(e.toString());
    }
}
 

private String parseBuildAndRender(String text) {
    Parser parser = Parser.builder(OPTIONS)
            .extensions(EXTENSIONS)
            .build();

    HtmlRenderer renderer = HtmlRenderer.builder(OPTIONS)
            .escapeHtml(mEscapeHtml)
            .attributeProviderFactory(new IndependentAttributeProviderFactory() {
                @Override
                public AttributeProvider create(NodeRendererContext context) {
                    return new CustomAttributeProvider();
                }
            })
            .nodeRendererFactory(new NodeRendererFactoryImpl())
            .extensions(EXTENSIONS)
            .build();

    return renderer.render(parser.parse(text));
}
 

public String getInstructionsAsHTML() {
    MutableDataSet options = new MutableDataSet();

    // uncomment to set optional extensions
    //options.set(Parser.EXTENSIONS, Arrays.asList(TablesExtension.create(), StrikethroughExtension.create()));

    // uncomment to convert soft-breaks to hard breaks
    options.set(HtmlRenderer.SOFT_BREAK, "<br />\n");

    Parser parser = Parser.builder(options).build();
    HtmlRenderer renderer = HtmlRenderer.builder(options).build();

    String markdown = getInstructionsAsMarkdown();

    // You can re-use parser and renderer instances
    Node document = parser.parse(markdown);
    return renderer.render(document);
}
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    switch (rendererType) {
        case "HTML":
            rendererBuilder.nodeRendererFactory(new NodeRendererFactory() {
                @Override
                public NodeRenderer create(DataHolder options) {
                    return new MathJaxNodeRenderer(options);
                }
            });
            break;
    }
}
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    switch (rendererType) {
        case "HTML":
            rendererBuilder.nodeRendererFactory(new LabelNodeRenderer.Factory());
            break;
    }
}
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    switch (rendererType) {
        case "HTML":
            rendererBuilder.nodeRendererFactory(new BeanNodeRenderer.Factory());
            break;
    }
}
 

private String markdownToHtml(Parser parser, HtmlRenderer renderer, String markdown) {
    if (Strings.isNullOrEmpty(markdown)) {
        return null;
    }

    Node document = parser.parse(markdown);
    return renderer.render(document);
}
 

public FlexmarkParser() {
  MutableDataSet options = new MutableDataSet();
  options.set(Parser.EXTENSIONS, Arrays.asList(StrikethroughExtension.create(),
      TablesExtension.create(),
      UMLExtension.create(),
      AutolinkExtension.create(),
      WikiLinkExtension.create(),
      TypographicExtension.create()));
  options.set(HtmlRenderer.SOFT_BREAK, "<br />\n");
  parser = Parser.builder(options).build();
  renderer = HtmlRenderer.builder(options).build();
}
 

public static String wikiFormat(String text, boolean useHardWraps, String rootUrl){
    	try {
            Node document = MARKDOWN_PARSER.parse( text );
            HtmlRenderer renderer = getHTMLRenderer(rootUrl, useHardWraps);
            return renderer.render(document);
//            		 + "<!--end-->"; //This forces an unclosed HTML-comment in the rendered output to be closed. This fixes the issue where commonmark may escape a closing `-->` when a blank line exists in the HTML comment.  
//    		return processor.markdownToHtml( processVerbatim(text), getLinkRenderer( rootUrl ) );
    	} catch (Exception e) {
			Logger.error(e);
			return errorMessage(text);
		}
    }
 

private static MutableDataHolder getMarkdownOptions() {
	return new MutableDataSet()
			.set(HtmlRenderer.ESCAPE_HTML, true)
			.set(EmojiExtension.USE_IMAGE_TYPE, EmojiImageType.UNICODE_FALLBACK_TO_IMAGE)
			// for full GFM table compatibility add the following table extension options:
			.set(TablesExtension.COLUMN_SPANS, false)
			.set(TablesExtension.APPEND_MISSING_COLUMNS, true)
			.set(TablesExtension.DISCARD_EXTRA_COLUMNS, true)
			.set(TablesExtension.HEADER_SEPARATOR_COLUMN_MATCH, true)
			.set(Parser.EXTENSIONS, Arrays.asList(TablesExtension.create(), EmojiExtension.create(),
					StrikethroughExtension.create(), TaskListExtension.create()));
}
 

private String convertMarkdownToHTML(final String md) {
    final MutableDataSet options = new MutableDataSet();
    final Parser parser = Parser.builder(options).build();
    final HtmlRenderer renderer = HtmlRenderer.builder(options).build();
    final Node document = parser.parse(md);
    return renderer.render(document);
}
 

/**
 * Markdown转Html
 * @param markdown
 * @return
 */
public static String markdownToHtml(String markdown) {
    MutableDataSet options = new MutableDataSet();
    Parser parser = Parser.builder(options).build();
    HtmlRenderer renderer = HtmlRenderer.builder(options).build();
    Node document = parser.parse(markdown);
    String html = renderer.render(document);
    return html;
}
 

/**
     * 展示网页
     */
    private void showHtml(String md) {
        DataHolder OPTIONS = PegdownOptionsAdapter.flexmarkOptions(true,
                Extensions.NONE);
        Parser parser = Parser.builder(OPTIONS).build();
        HtmlRenderer renderer = HtmlRenderer.builder(OPTIONS).build();

        Node document = parser.parse(md);
        String html = renderer.render(document);

//        LogUtil.e(html);

        mWebView.getSettings().setDefaultTextEncodingName("UTF-8");
        mWebView.loadData(html, "text/html; charset=UTF-8", null);
    }
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    switch (rendererType) {
        case "HTML":
            rendererBuilder.nodeRendererFactory(new KeystrokeNodeRenderer.Factory());
            break;
    }
}
 

/**
 * Markdownz转为Html
 * @param content
 * @return
 */
public static String html(String content){

    MutableDataSet options = new MutableDataSet();
    options.setFrom(ParserEmulationProfile.MARKDOWN);
    options.set(Parser.EXTENSIONS, Arrays.asList(new Extension[]{TablesExtension.create()}));
    Parser parser = Parser.builder(options).build();
    HtmlRenderer renderer = HtmlRenderer.builder(options).build();
    Node document = parser.parse(content);

    return renderer.render(document);
}
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    switch (rendererType) {
        case "HTML":
            rendererBuilder.nodeRendererFactory(new NodeRendererFactory() {
                @Override
                public NodeRenderer create(DataHolder options) {
                    return new MarkNodeRenderer(options);
                }
            });
            break;
    }
}
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    switch (rendererType) {
        case "HTML":
            rendererBuilder.nodeRendererFactory(new NodeRendererFactory() {
                @Override
                public NodeRenderer create(DataHolder options) {
                    return new MathJaxNodeRenderer(options);
                }
            });
            break;
    }
}
 

@Override
public boolean makeMoreParameters() {
    try {
        parserOptions = new MutableDataSet();
        parserOptions.setFrom(ParserEmulationProfile.valueOf(emulationSelector.getValue()));
        parserOptions.set(Parser.EXTENSIONS, Arrays.asList(
                //                    AbbreviationExtension.create(),
                //                    DefinitionExtension.create(),
                //                    FootnoteExtension.create(),
                //                    TypographicExtension.create(),
                TablesExtension.create()
        ));
        parserOptions.set(HtmlRenderer.INDENT_SIZE, indentSize)
                //                    .set(HtmlRenderer.PERCENT_ENCODE_URLS, true)
                //                    .set(TablesExtension.COLUMN_SPANS, false)
                .set(TablesExtension.TRIM_CELL_WHITESPACE, trimCheck.isSelected())
                .set(TablesExtension.APPEND_MISSING_COLUMNS, appendCheck.isSelected())
                .set(TablesExtension.DISCARD_EXTRA_COLUMNS, discardCheck.isSelected())
                .set(TablesExtension.APPEND_MISSING_COLUMNS, appendCheck.isSelected());

        parser = Parser.builder(parserOptions).build();
        renderer = HtmlRenderer.builder(parserOptions).build();
    } catch (Exception e) {
        logger.error(e.toString());
        return false;
    }

    return super.makeMoreParameters();
}
 

/**
 * Convert markdown to html.
 *
 * @param content markdown contents
 * @return html contents
 */
public static String toHtml(String content) {
    MutableDataSet options = new MutableDataSet();
    options.setFrom(ParserEmulationProfile.MARKDOWN);
    // enable table parse!
    options.set(Parser.EXTENSIONS, Arrays.asList(TablesExtension.create(), StrikethroughExtension.create()));

    Parser parser = Parser.builder(options).build();
    HtmlRenderer renderer = HtmlRenderer.builder(options).build();

    Node document = parser.parse(content);
    return renderer.render(document);
}
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    switch (rendererType) {
        case "HTML":
            rendererBuilder.nodeRendererFactory(new NodeRendererFactory() {
                @Override
                public NodeRenderer create(DataHolder options) {
                    return new MarkNodeRenderer(options);
                }
            });
            break;
    }
}
 

@Override
public String render(String markdown) {
	List<Extension> extensions = new ArrayList<>();
	extensions.add(AnchorLinkExtension.create());
	extensions.add(TablesExtension.create());
	extensions.add(TaskListExtension.create());
	extensions.add(DefinitionExtension.create());
	extensions.add(TocExtension.create());
	extensions.add(AutolinkExtension.create());
	extensions.addAll(contributedExtensions);

	MutableDataHolder options = new MutableDataSet()
			.set(HtmlRenderer.GENERATE_HEADER_ID, true)
			.set(AnchorLinkExtension.ANCHORLINKS_SET_NAME, true)
			.set(AnchorLinkExtension.ANCHORLINKS_WRAP_TEXT, false)
			.set(AnchorLinkExtension.ANCHORLINKS_TEXT_PREFIX, "<span class='header-anchor'></span>")
			.set(Parser.SPACE_IN_LINK_URLS, true)
			.setFrom(ParserEmulationProfile.GITHUB_DOC)
			.set(TablesExtension.COLUMN_SPANS, false)
			.set(TablesExtension.APPEND_MISSING_COLUMNS, true)
			.set(TablesExtension.DISCARD_EXTRA_COLUMNS, true)
			.set(TablesExtension.HEADER_SEPARATOR_COLUMN_MATCH, true)
			.set(Parser.EXTENSIONS, extensions);

	Parser parser = Parser.builder(options).build();

	HtmlRenderer htmlRenderer = HtmlRenderer.builder(options).build();
	
	Node document = parser.parse(markdown);
	return htmlRenderer.render(document);
}
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    rendererBuilder.linkResolverFactory(new FlexmarkLinkResolver.Factory());
}
 

@Override
public void extend(HtmlRenderer.Builder rendererBuilder, String rendererType) {
    rendererBuilder.attributeProviderFactory(new FlexmarkAttributeProvider.Factory());
}
 

@Signature
public PMarkdownOptions setRenderSuppressHtml(boolean value) {
    options.set(HtmlRenderer.SUPPRESS_HTML, value);
    return this;
}