1 files changed, 115 insertions, 0 deletions
diff --git a/src/node/eejs/index.js b/src/node/eejs/index.js
new file mode 100644
index 00000000..90c69e59
--- /dev/null
+++ b/src/node/eejs/index.js
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2011 RedHog (Egil Möller) <egil.moller@freecode.no>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS-IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* Basic usage:
+ *
+ * require("./index").require("./examples/foo.ejs")
+ */
+
+var ejs = require("ejs");
+var fs = require("fs");
+var path = require("path");
+var hooks = require("ep_etherpad-lite/static/js/pluginfw/hooks.js");
+
+exports.info = {
+  buf_stack: [],
+  block_stack: [],
+  blocks: {},
+  file_stack: [],
+};
+
+exports._init = function (b, recursive) {
+  exports.info.buf_stack.push(exports.info.buf);
+  exports.info.buf = b;
+}
+
+exports._exit = function (b, recursive) {
+  exports.info.file_stack[exports.info.file_stack.length-1].inherit.forEach(function (item) {
+    exports._require(item.name, item.args);
+  });
+  exports.info.buf = exports.info.buf_stack.pop();
+}
+
+exports.begin_capture = function() {
+  exports.info.buf_stack.push(exports.info.buf.concat());
+  exports.info.buf.splice(0, exports.info.buf.length);
+}
+
+exports.end_capture = function () {
+  var res = exports.info.buf.join("");
+  exports.info.buf.splice.apply(
+    exports.info.buf,
+    [0, exports.info.buf.length].concat(exports.info.buf_stack.pop()));
+  return res;
+}
+
+exports.begin_define_block = function (name) {
+  if (typeof exports.info.blocks[name] == "undefined")
+    exports.info.blocks[name] = {};
+  exports.info.block_stack.push(name);
+  exports.begin_capture();
+}
+
+exports.super = function () {
+  exports.info.buf.push('<!eejs!super!>');
+}
+
+exports.end_define_block = function () {
+  content = exports.end_capture();
+  var name = exports.info.block_stack.pop();
+  if (typeof exports.info.blocks[name].content == "undefined")
+    exports.info.blocks[name].content = content;
+  else if (typeof exports.info.blocks[name].content.indexOf('<!eejs!super!>'))
+    exports.info.blocks[name].content = exports.info.blocks[name].content.replace('<!eejs!super!>', content);
+
+  return exports.info.blocks[name].content;
+}
+
+exports.end_block = function () {
+  var name = exports.info.block_stack[exports.info.block_stack.length-1];
+  var args = {content: exports.end_define_block()};
+  hooks.callAll("eejsBlock_" + name, args);
+  exports.info.buf.push(args.content);
+}
+
+exports.begin_block = exports.begin_define_block;
+
+exports.inherit = function (name, args) {
+    exports.info.file_stack[exports.info.file_stack.length-1].inherit.push({name:name, args:args});
+}
+
+exports.require = function (name, args) {
+  if (args == undefined) args = {};
+ 
+  if ((name.indexOf("./") == 0 || name.indexOf("../") == 0) && exports.info.file_stack.length) {
+      name = path.join(path.dirname(exports.info.file_stack[exports.info.file_stack.length-1].path), name);
+  }
+  var ejspath = require.resolve(name)
+
+  args.e = exports;
+  args.require = require;
+  var template = '<% e._init(buf); %>' + fs.readFileSync(ejspath).toString() + '<% e._exit(); %>';
+
+  exports.info.file_stack.push({path: ejspath, inherit: []});
+  var res = ejs.render(template, args);
+  exports.info.file_stack.pop();
+
+  return res;
+}
+
+exports._require = function (name, args) {
+  exports.info.buf.push(exports.require(name, args));
+}