JarCastingOverview
flexmark-java extension for prism syntax highlighter.
This extension will insert 'class="line-numbers"' attribute into fenced code block.
It is licensed under MIT.
How to use
Maven
<dependency>
<groupId>org.riversun</groupId>
<artifactId>flexmark-ext-prism-linenumber</artifactId>
<version>1.0.0</version>
</dependency>
This library and flexmark-java make following markdown output html
Input markdown
**Hello**
```java
/**
* Hello world!
*
*/
public class App
{
public static void main( String[] args )
{
System.out.println( "Hello World!" );
}
}
```
Output html
<p><strong>Hello</strong></p>
<pre class="line-numbers"><code class="language-java">
/**
* Hello world!
*
*/
public class App
{
public static void main( String[] args )
{
System.out.println( "Hello World!" );
}
}
</code></pre>
Example code
import java.io.IOException;
import java.util.Arrays;
import org.riversun.flexmark.PrismCodeLineNumberExtension;
import com.vladsch.flexmark.html.HtmlRenderer;
import com.vladsch.flexmark.parser.Parser;
import com.vladsch.flexmark.util.ast.Node;
import com.vladsch.flexmark.util.builder.Extension;
import com.vladsch.flexmark.util.data.MutableDataHolder;
import com.vladsch.flexmark.util.data.MutableDataSet;
/**
*
* Example for flexmark-java extension for prism syntax highlighter linenumber
* rendering
*
*/
public class Example {
public static void main(String[] args) throws IOException {
String srcMarkdown = "**Hello**\n" +
"\n" +
"```java\n" +
"\n" +
"/**\n" +
" * Hello world!\n" +
" *\n" +
" */\n" +
"public class App \n" +
"{\n" +
" public static void main( String[] args )\n" +
" {\n" +
" System.out.println( \"Hello World!\" );\n" +
" }\n" +
"}\n" +
"\n" +
"```";
MutableDataHolder options = new MutableDataSet();
options.set(Parser.EXTENSIONS, Arrays.asList(new Extension[] {
PrismCodeLineNumberExtension.create()
}));
Parser parser = Parser.builder(options).build();
Node document = parser.parse(srcMarkdown);
HtmlRenderer renderer = HtmlRenderer.builder(options).build();
final String html = renderer.render(document);
System.out.println(html);
}