Start of new epub reader

server/libs/css/stringify/compiler.js

@@ -0,0 +1,50 @@
+
+/**
+ * Expose `Compiler`.
+ */
+
+module.exports = Compiler;
+
+/**
+ * Initialize a compiler.
+ *
+ * @param {Type} name
+ * @return {Type}
+ * @api public
+ */
+
+function Compiler(opts) {
+  this.options = opts || {};
+}
+
+/**
+ * Emit `str`
+ */
+
+Compiler.prototype.emit = function(str) {
+  return str;
+};
+
+/**
+ * Visit `node`.
+ */
+
+Compiler.prototype.visit = function(node){
+  return this[node.type](node);
+};
+
+/**
+ * Map visit over array of `nodes`, optionally using a `delim`
+ */
+
+Compiler.prototype.mapVisit = function(nodes, delim){
+  var buf = '';
+  delim = delim || '';
+
+  for (var i = 0, length = nodes.length; i < length; i++) {
+    buf += this.visit(nodes[i]);
+    if (delim && i < length - 1) buf += this.emit(delim);
+  }
+
+  return buf;
+};