Function _DoCodeBlocks

public/libs/showdown.js:971–1027

(text)

}

var _DoCodeBlocks = function(text) {
//
//  Process Markdown `<pre><code>` blocks.
//

  //
  // mk2: support code block
  // ```javascript
  // console.log('markdown'); 
  // ```
  text = text.replace(/```(\w+)?\n*((.|\n)*?)```/g,
    function (wholeMatch, lang, codeblock) {
      lang = lang ? 'lang-' + lang : '';

      // codeblock = _EncodeCode(codeblock).replace(/^\s+|\s+$/g,"");
      codeblock = "<pre class=\"prettyprint " + lang +  "\"><code>" + codeblock + "</code></pre>";
      return hashBlock(codeblock);
    }
  );

  /*
    text = text.replace(text,
      /(?:\n\n|^)
      (               // $1 = the code block -- one or more lines, starting with a space/tab
        (?:
          (?:[ ]{4}|\t)     // Lines must start with a tab or a tab-width of spaces - attacklab: g_tab_width
          .*\n+
        )+
      )
      (\n*[ ]{0,3}[^ \t\n]|(?=~0))  // attacklab: g_tab_width
    /g,function(){...});
  */

  // attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
  text += "~0";

  text = text.replace(/(?:\n\n|^)((?:(?:[ ]{4}|\t).*\n+)+)(\n*[ ]{0,3}[^ \t\n]|(?=~0))/g,
    function (wholeMatch,m1,m2) {
      var codeblock = m1;
      var nextChar = m2;

      codeblock = _EncodeCode( _Outdent(codeblock));

      codeblock = _Detab(codeblock);
      codeblock = codeblock.replace(/^\n+/g,""); // trim leading newlines
      codeblock = codeblock.replace(/\n+$/g,""); // trim trailing whitespace

      codeblock = "<pre class=\"prettyprint\"><code>" + codeblock + "\n</code></pre>";
      return hashBlock(codeblock) + nextChar;
    }
  );

  // attacklab: strip sentinel
  text = text.replace(/~0/,"");

  return text;
}