- var getFrag = function(fileName) {
-   var frag = partial(fileName);
-   if (frag == null) {
-     return "BAD FILENAME: " + fileName + "   Current path: " + current.path;
-   } else {
-     // ``` gets translated to <pre><code>.....</code></pre> and we need
-     // to remove this from the fragment prefix is 11 long and suffix is 13 long
-     var r = frag.substring(11, frag.length-13);
-     return r;
-   }
- }

- var getExtn = function(fileName) {
-   var ix = fileName.lastIndexOf('.');
-   return ix > 0 ? fileName.substr(ix+1) : "";
- }

// HACK: to avoid having to include a path in makeTabs calls
- var currentPath = current.path;

// simple way to only take as many '../' sections as we need to back up to the 'docs' dir
// from the current document
// we will almost certainly never go 10 or 11 deep but ...
- var pathToFrags = "../../../../../../../../../../../".substr(0, (currentPath.length-2)*3) + "_fragments/";

mixin makeExample(path, fileName, title)
  - var extn = getExtn(fileName);
  - var extPath = pathToFrags + path + "/";
  if (title)
    .example-title #{title}
  code-example(language="#{extn}" format="linenums")
    != getFrag(extPath + fileName + ".md")

mixin makeTabs(path, fileNames, tabNames)
  - fileNames = fileNames.split(",");
  - tabNames = tabNames.split(",")
  // .p Length #{currentPath.length}
  code-tabs
      each fileName,index in fileNames
        - var tabName = tabNames[index].trim();
        - var fileName = fileNames[index].trim();
        - var extn = getExtn(fileName);
        - var extPath = pathToFrags + path + "/";
        code-pane(language="#{extn}" name="#{tabName}" format="linenums")
            != getFrag(extPath + fileName + ".md")