com.vladsch.flexmark.html.renderer.NodeRendererContext Java Exaples

Source File: MarkdownParser.java From OmniList with GNU Affero General Public License v3.0

6 votes

@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]));
}

Source File: VideoLinkNodeRenderer.java From MarkdownView with Apache License 2.0

6 votes

private void render(final VideoLink node, final NodeRendererContext context, final HtmlWriter html) {
    final String name = node.getText().toString();

    if (context.isDoNotRenderLinks()) {
        context.renderChildren(node);
    } else if (!TextUtils.isEmpty(name)) {
        ResolvedLink resolvedLink = context.resolveLink(LinkType.LINK, node.getUrl().unescape(), null);
        if (name.equals("youtube") ||
                name.equals("yt")) {
            html.attr("class", "player yt-player");
            html.withAttr().tag("div");
            html.attr("type", "text/html");
            html.attr("frameborder", "0");

            html.attr("allowfullscreen", "");
            html.attr("src", String.format("https://www.youtube.com/embed/%s", resolvedLink.getUrl()));
            html.srcPos(node.getChars()).withAttr(resolvedLink).tag("iframe");
            html.tag("/iframe");
            html.tag("/div");
        } else {
            context.renderChildren(node);
        }
    }
}

Source File: MarkdownView.java From MarkdownView with Apache License 2.0

6 votes

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));
}

Source File: EmojiNodeRenderer.java From MarkdownView with Apache License 2.0

6 votes

private void render(Emoji node, NodeRendererContext context, HtmlWriter html) {
    Emoji emoji = node;
    EmojiCheatSheet.EmojiShortcut shortcut = EmojiCheatSheet.getImageShortcut(emoji.getText().toString());

    if (shortcut == null) {
        // output as text
        html.text(":");
        context.renderChildren(node);
        html.text(":");
    } else {
        ResolvedLink resolvedLink = context.resolveLink(LinkType.LINK, rootImagePath + shortcut.image + "." + extImage, null);

        html.attr("src", resolvedLink.getUrl());
        html.attr("alt", "emoji " + shortcut.category + ":" + shortcut.name);
        if (!attrImageSize.isEmpty())
            html.attr("height", attrImageSize).attr("width", attrImageSize);
        if (!attrAlign.isEmpty()) html.attr("align", attrAlign);
        html.withAttr(resolvedLink);
        html.tagVoid("img");
    }
}

Source File: UMLNodeRenderer.java From zeppelin with Apache License 2.0

5 votes

private void render(final UMLBlockQuote node, final NodeRendererContext context,
                    HtmlWriter html) {
  LOGGER.debug("Rendering HTML");

  String firstLine = node.getOpeningTrailing().toString();
  String[] splitWithSpace = firstLine.split(" ");

  LOGGER.debug("Start of the node {} ", firstLine);
  LOGGER.debug("Content within block {} ", node.getFirstChild().getChars());

  Map<String, String> paramMap = new HashMap<>();
  for (int i = 1; i < splitWithSpace.length; i++) {
    String[] splitWithEqual = splitWithSpace[i].split("=");
    paramMap.put(splitWithEqual[0], splitWithEqual[1]);
  }

  String url = "";

  if (splitWithSpace[0].equals(YUML) && !Objects.isNull(node.getFirstChild())) {
    url = createYumlUrl(paramMap, node.getFirstChild().getChars().toString());
    LOGGER.debug("Encoded YUML URL {} ", url);
  } else if (splitWithSpace[0].equals(SEQUENCE) && !Objects.isNull(node.getFirstChild())) {
    url = createWebsequenceUrl(paramMap.get("style"), node.getFirstChild().getChars().toString());
    LOGGER.debug("Encoded web sequence diagram URL {} ", url);
  } else {
    html.withAttr().tagLineIndent("blockquote", new Runnable() {
      @Override
      public void run() {
        context.renderChildren(node);
      }
    });
    return;
  }

  html.attr("src", url);
  html.attr("alt", "");
  html.srcPos(node.getChars()).withAttr().tagVoid("img");
}

Source File: UMLNodeRenderer.java From zeppelin with Apache License 2.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
  Set<NodeRenderingHandler<?>> set = new HashSet<>();
  set.add(new NodeRenderingHandler<>(UMLBlockQuote.class,
      new CustomNodeRenderer<UMLBlockQuote>() {
        @Override
        public void render(UMLBlockQuote node, NodeRendererContext context,
                           HtmlWriter html) {
          UMLNodeRenderer.this.render(node, context, html);
        }
      }));
  return set;
}

Source File: VideoLinkNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(VideoLink.class, new CustomNodeRenderer<VideoLink>() {
        @Override
        public void render(VideoLink node, NodeRendererContext context, HtmlWriter html) {
            VideoLinkNodeRenderer.this.render(node, context, html);
        }
    }));
    return set;
}

Source File: BeanNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

private void render(Bean node, NodeRendererContext context, HtmlWriter html) {
    if (mMarkdownView != null && mMarkdownView.getBean() != null) {
        String name = node.getText().toString().trim();
        Object value = getBeanAttributeValue(name, mMarkdownView.getBean());
        if (value != null) {
            html.attr("class", "bean");
            html.withAttr().tag("span");
            html.append(value.toString());
            html.tag("/span");
        }
    } else {
        context.renderChildren(node);
    }
}

Source File: BeanNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(Bean.class, new CustomNodeRenderer<Bean>() {
        @Override
        public void render(Bean node, NodeRendererContext context, HtmlWriter html) {
            BeanNodeRenderer.this.render(node, context, html);
        }
    }));

    return set;
}

Source File: EmojiNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(Emoji.class, new CustomNodeRenderer<Emoji>() {
        @Override
        public void render(Emoji node, NodeRendererContext context, HtmlWriter html) {
            EmojiNodeRenderer.this.render(node, context, html);
        }
    }));
    return set;
}

Source File: LabelNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

private void render(Label node, NodeRendererContext context, HtmlWriter html) {
    if (node.getType() == 3) html.attr("class", "lbl-success");
    else if (node.getType() == 4) html.attr("class", "lbl-warning");
    else if (node.getType() == 5) html.attr("class", "lbl-danger");
    html.withAttr().tag("lbl");
    context.renderChildren(node);
    html.tag("/lbl");
}

Source File: LabelNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(Label.class, new CustomNodeRenderer<Label>() {
        @Override
        public void render(Label node, NodeRendererContext context, HtmlWriter html) {
            LabelNodeRenderer.this.render(node, context, html);
        }
    }));

    return set;
}

Source File: MathJaxNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

private void render(MathJax node, NodeRendererContext context, HtmlWriter html) {
    html.withAttr().attr("class", "math").tag("span");
    if (node.isInline()) {
        html.append("\\(");
    } else {
        html.append("$$");
    }
    context.renderChildren(node);
    if (node.isInline()) {
        html.append("\\)");
    } else {
        html.append("$$");
    }
    html.tag("/span");
}

Source File: MathJaxNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(MathJax.class, new CustomNodeRenderer<MathJax>() {
        @Override
        public void render(MathJax node, NodeRendererContext context, HtmlWriter html) {
            MathJaxNodeRenderer.this.render(node, context, html);
        }
    }));

    return set;
}

Source File: MarkNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(Mark.class, new CustomNodeRenderer<Mark>() {
        @Override
        public void render(Mark node, NodeRendererContext context, HtmlWriter html) {
            MarkNodeRenderer.this.render(node, context, html);
        }
    }));

    return set;
}

Source File: KeystrokeNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(Keystroke.class, new CustomNodeRenderer<Keystroke>() {
        @Override
        public void render(Keystroke node, NodeRendererContext context, HtmlWriter html) {
            KeystrokeNodeRenderer.this.render(node, context, html);
        }
    }));

    return set;
}

Source File: TwitterNodeRenderer.java From MarkdownView with Apache License 2.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(Twitter.class, new CustomNodeRenderer<Twitter>() {
        @Override
        public void render(Twitter node, NodeRendererContext context, HtmlWriter html) {
            TwitterNodeRenderer.this.render(node, context, html);
        }
    }));
    return set;
}

Source File: MathJaxNodeRenderer.java From OmniList with GNU Affero General Public License v3.0

5 votes

private void render(MathJax node, NodeRendererContext context, HtmlWriter html) {
    html.withAttr().attr("class", "math").tag("span");
    if (node.isInline()) {
        html.append("\\(");
    } else {
        html.append("$$");
    }
    context.renderChildren(node);
    if (node.isInline()) {
        html.append("\\)");
    } else {
        html.append("$$");
    }
    html.tag("/span");
}

Source File: MathJaxNodeRenderer.java From OmniList with GNU Affero General Public License v3.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(MathJax.class, new CustomNodeRenderer<MathJax>() {
        @Override
        public void render(MathJax node, NodeRendererContext context, HtmlWriter html) {
            MathJaxNodeRenderer.this.render(node, context, html);
        }
    }));

    return set;
}

Source File: MarkNodeRenderer.java From OmniList with GNU Affero General Public License v3.0

5 votes

@Override
public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
    HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
    set.add(new NodeRenderingHandler<>(Mark.class, new CustomNodeRenderer<Mark>() {
        @Override
        public void render(Mark node, NodeRendererContext context, HtmlWriter html) {
            MarkNodeRenderer.this.render(node, context, html);
        }
    }));

    return set;
}

Source File: MarkNodeRenderer.java From MarkdownView with Apache License 2.0

4 votes

private void render(Mark node, NodeRendererContext context, HtmlWriter html) {
    html.srcPos(node.getText()).withAttr().tag("mark");
    context.renderChildren(node);
    html.tag("/mark");
}

Source File: KeystrokeNodeRenderer.java From MarkdownView with Apache License 2.0

4 votes

private void render(Keystroke node, NodeRendererContext context, HtmlWriter html) {
    html.withAttr().tag("kbd");
    html.append(node.getText().trim());
    html.tag("/kbd");
}

Source File: TwitterNodeRenderer.java From MarkdownView with Apache License 2.0

4 votes

private void render(final Twitter node, final NodeRendererContext context, final HtmlWriter html) {
    final String name = node.getText().toString();

    if (context.isDoNotRenderLinks()) {
        context.renderChildren(node);
    } else if (!TextUtils.isEmpty(name)) {
        String value, url;

        try {
            value = URLEncoder.encode(context.resolveLink(LinkType.LINK, node.getUrl().unescape(), null).getUrl(), "utf-8");
        } catch (UnsupportedEncodingException e) {
            context.renderChildren(node);
            return;
        }

        if (name.equals("tweet")) {
            url = String.format("https://publish.twitter.com/oembed?url=https://twitter.com/twitter/status/%s", value);
        } else if (name.equals("tweet-hide-cards")) {
            url = String.format("https://publish.twitter.com/oembed?url=https://twitter.com/twitter/status/%s&hide_media=true", value);
        } else if (name.equals("follow")) {
            mHtml = String.format("<a href=\"https://twitter.com/%s\" data-size=\"large\" class=\"twitter-follow-button\" data-show-count=\"true\">Follow @%s</a><script async src=\"https://platform.twitter.com/widgets.js\" charset=\"utf-8\"></script>",
                    value, value);
            html.srcPos(node.getChars()).append(mHtml);
            return;
        } else {
            context.renderChildren(node);
            return;
        }

        mHtml = null;
        new Thread(new LoadTweetRunnable(url)).start();
        mCondition.close();
        mCondition.block();

        if (mHtml == null) {
            context.renderChildren(node);
        } else {
            mHtml = mHtml.replaceAll("src=\"//", "src=\"https://");
            html.srcPos(node.getChars()).append(mHtml);
        }
    }
}

Source File: MarkdownView.java From MarkdownView with Apache License 2.0

4 votes

@Override
public NodeRenderer create(DataHolder options) {
    return new NodeRenderer() {
        @Override
        public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
            HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
            set.add(new NodeRenderingHandler<>(Image.class, new CustomNodeRenderer<Image>() {
                @Override
                public void render(Image node, NodeRendererContext context, HtmlWriter html) {
                    if (!context.isDoNotRenderLinks()) {
                        String altText = new TextCollectingVisitor().collectAndGetText(node);

                        ResolvedLink resolvedLink = context.resolveLink(LinkType.IMAGE, node.getUrl().unescape(), null);
                        String url = resolvedLink.getUrl();

                        if (!node.getUrlContent().isEmpty()) {
                            // reverse URL encoding of =, &
                            String content = Escaping.percentEncodeUrl(node.getUrlContent()).replace("+", "%2B").replace("%3D", "=").replace("%26", "&amp;");
                            url += content;
                        }

                        final int index = url.indexOf('@');

                        if (index >= 0) {
                            String[] dimensions = url.substring(index + 1, url.length()).split("\\|");
                            url = url.substring(0, index);

                            if (dimensions.length == 2) {
                                String width = TextUtils.isEmpty(dimensions[0]) ? "auto" : dimensions[0];
                                String height = TextUtils.isEmpty(dimensions[1]) ? "auto" : dimensions[1];
                                html.attr("style", "width: " + width + "; height: " + height);
                            }
                        }

                        html.attr("src", url);
                        html.attr("alt", altText);

                        if (node.getTitle().isNotNull()) {
                            html.attr("title", node.getTitle().unescape());
                        }

                        html.srcPos(node.getChars()).withAttr(resolvedLink).tagVoid("img");
                    }
                }
            }));
            return set;
        }
    };
}

Source File: SourcePositionTrackExtension.java From onedev with MIT License

4 votes

@Override
public void extend(Builder rendererBuilder, String rendererType) {
	rendererBuilder.attributeProviderFactory(new IndependentAttributeProviderFactory() {
		
		@Override
		public AttributeProvider create(NodeRendererContext context) {
			return new AttributeProvider() {

				@Override
				public void setAttributes(Node node, AttributablePart part, Attributes attributes) {
					if (node instanceof Block) {
						int startOffset = node.getStartOffset();
						int endOffset = node.getEndOffset();
						Node document = node.getDocument();
						if (document != null) {
							int leadingWhitespaces = 0;
							for (int i=startOffset; i<endOffset; i++) {
								if (Character.isWhitespace(document.getChars().charAt(i))) {
									leadingWhitespaces++;
								} else {
									break;
								}
							}
							int trailingWhitespaces = 0;
							for (int i=endOffset-1; i>=startOffset; i--) {
								if (Character.isWhitespace(document.getChars().charAt(i))) {
									trailingWhitespaces++;
								} else {
									break;
								}
							}
							attributes.addValue("data-" + DATA_START_ATTRIBUTE, String.valueOf(startOffset+leadingWhitespaces));
							attributes.addValue("data-" + DATA_END_ATTRIBUTE, String.valueOf(endOffset-trailingWhitespaces));
						}
					}
				}
				
			};
		}
	});
}

Source File: MarkNodeRenderer.java From OmniList with GNU Affero General Public License v3.0

4 votes

private void render(Mark node, NodeRendererContext context, HtmlWriter html) {
    html.srcPos(node.getText()).withAttr().tag("mark");
    context.renderChildren(node);
    html.tag("/mark");
}

Source File: NodeRendererFactoryImpl.java From OmniList with GNU Affero General Public License v3.0

4 votes

@Override
public NodeRenderer create(DataHolder options) {
    return new NodeRenderer() {
        @Override
        public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
            HashSet<NodeRenderingHandler<?>> set = new HashSet<>();
            set.add(new NodeRenderingHandler<>(Image.class, new CustomNodeRenderer<Image>() {
                @Override
                public void render(Image node, NodeRendererContext context, HtmlWriter html) {
                    if (!context.isDoNotRenderLinks()) {
                        String altText = new TextCollectingVisitor().collectAndGetText(node);

                        ResolvedLink resolvedLink = context.resolveLink(LinkType.IMAGE, node.getUrl().unescape(), null);
                        String url = resolvedLink.getUrl();

                        if (!node.getUrlContent().isEmpty()) {
                            // reverse URL encoding of =, &
                            String content = Escaping.percentEncodeUrl(node.getUrlContent()).replace("+", "%2B").replace("%3D", "=").replace("%26", "&amp;");
                            url += content;
                        }

                        final int index = url.indexOf('@');

                        if (index >= 0) {
                            String[] dimensions = url.substring(index + 1, url.length()).split("\\|");
                            url = url.substring(0, index);

                            if (dimensions.length == 2) {
                                String width = dimensions[0] == null || dimensions[0].equals("") ? "auto" : dimensions[0];
                                String height = dimensions[1] == null || dimensions[1].equals("") ? "auto" : dimensions[1];
                                html.attr("style", "width: " + width + "; height: " + height);
                            }
                        }

                        html.attr("src", url);
                        html.attr("alt", altText);

                        if (node.getTitle().isNotNull()) {
                            html.attr("title", node.getTitle().unescape());
                        }

                        html.srcPos(node.getChars()).withAttr(resolvedLink).tagVoid("img");
                    }
                }
            }));
            return set;
        }
    };
}

com.vladsch.flexmark.html.renderer.NodeRendererContext Java Examples