Rename src/eng --> src/renderers

A renderer is a thing that renders or "paints" an arbitrary format using
a templating engine like Handlebars or Underscore. A generator is a
thing responsible for generating a given output format like HTML or MS
Word.

src/renderers/underscore-generator.js

@@ -0,0 +1,57 @@
+/**
+Definition of the UnderscoreGenerator class.
+@license MIT. Copyright (c) 2015 James Devlin / FluentDesk.
+@module underscore-generator.js
+*/
+
+(function() {
+
+
+
+  var _ = require('underscore');
+
+
+  /**
+  Perform template-based resume generation using Underscore.js.
+  @class UnderscoreGenerator
+  */
+  var UnderscoreGenerator = module.exports = {
+
+    generate: function( json, jst, format, cssInfo, opts, theme ) {
+
+      // Tweak underscore's default template delimeters
+      var delims = (opts.themeObj && opts.themeObj.delimeters) || opts.template;
+      if( opts.themeObj && opts.themeObj.delimeters ) {
+        delims = _.mapObject( delims, function(val,key) {
+          return new RegExp( val, "ig");
+        });
+      }
+      _.templateSettings = delims;
+
+      // Strip {# comments #}
+      jst = jst.replace( delims.comment, '');
+
+      var helpers = require('./generic-helpers');
+      helpers.opts = opts;
+      helpers.cssInfo = cssInfo;
+
+      // Compile and run the template. TODO: avoid unnecessary recompiles.
+      var compiled = _.template(jst);
+      var ret = compiled({
+        r: format === 'html' || format === 'pdf' || format === 'png' ? json.markdownify() : json,
+        filt: opts.filters,
+        XML: require('xml-escape'),
+        RAW: json,
+        cssInfo: cssInfo,
+        headFragment: opts.headFragment || '',
+        opts: opts,
+        h: helpers
+      });
+      return ret;
+    }
+
+  };
+
+
+
+}());