Function doWork

docs/js/google-code-prettify.js:1440–1528

()

    var preCodeXmpRe = /^(?:pre|code|xmp)$/i;

    function doWork() {
      var endTime = (win['PR_SHOULD_USE_CONTINUATION'] ?
                     clock['now']() + 250 /* ms */ :
                     Infinity);
      for (; k < elements.length && clock['now']() < endTime; k++) {
        var cs = elements[k];
        var className = cs.className;
        if (prettyPrintRe.test(className)
            // Don't redo this if we've already done it.
            // This allows recalling pretty print to just prettyprint elements
            // that have been added to the page since last call.
            && !prettyPrintedRe.test(className)) {

          // make sure this is not nested in an already prettified element
          var nested = false;
          for (var p = cs.parentNode; p; p = p.parentNode) {
            var tn = p.tagName;
            if (preCodeXmpRe.test(tn)
                && p.className && prettyPrintRe.test(p.className)) {
              nested = true;
              break;
            }
          }
          if (!nested) {
            // Mark done.  If we fail to prettyprint for whatever reason,
            // we shouldn't try again.
            cs.className += ' prettyprinted';

            // If the classes includes a language extensions, use it.
            // Language extensions can be specified like
            //     <pre class="prettyprint lang-cpp">
            // the language extension "cpp" is used to find a language handler
            // as passed to PR.registerLangHandler.
            // HTML5 recommends that a language be specified using "language-"
            // as the prefix instead.  Google Code Prettify supports both.
            // http://dev.w3.org/html5/spec-author-view/the-code-element.html
            var langExtension = className.match(langExtensionRe);
            // Support <pre class="prettyprint"><code class="language-c">
            var wrapper;
            if (!langExtension && (wrapper = childContentWrapper(cs))
                && codeRe.test(wrapper.tagName)) {
              langExtension = wrapper.className.match(langExtensionRe);
            }

            if (langExtension) { langExtension = langExtension[1]; }

            var preformatted;
            if (preformattedTagNameRe.test(cs.tagName)) {
              preformatted = 1;
            } else {
              var currentStyle = cs['currentStyle'];
              var whitespace = (
                  currentStyle
                  ? currentStyle['whiteSpace']
                  : (document.defaultView
                     && document.defaultView.getComputedStyle)
                  ? document.defaultView.getComputedStyle(cs, null)
                  .getPropertyValue('white-space')