feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/amp-message/index.js

@@ -0,0 +1,170 @@
+
+/**
+ * Module dependencies.
+ */
+
+var fmt = require('util').format;
+var amp = require('amp');
+
+/**
+ * Proxy methods.
+ */
+
+var methods = [
+  'push',
+  'pop',
+  'shift',
+  'unshift'
+];
+
+/**
+ * Expose `Message`.
+ */
+
+module.exports = Message;
+
+/**
+ * Initialize an AMP message with the
+ * given `args` or message buffer.
+ *
+ * @param {Array|Buffer} args or blob
+ * @api public
+ */
+
+function Message(args) {
+  if (Buffer.isBuffer(args)) args = decode(args);
+  this.args = args || [];
+}
+
+// proxy methods
+
+methods.forEach(function(method){
+  Message.prototype[method] = function(){
+    return this.args[method].apply(this.args, arguments);
+  };
+});
+
+/**
+ * Inspect the message.
+ *
+ * @return {String}
+ * @api public
+ */
+
+Message.prototype.inspect = function(){
+  return fmt('<Message args=%d size=%d>',
+    this.args.length,
+    this.toBuffer().length);
+};
+
+/**
+ * Return an encoded AMP message.
+ *
+ * @return {Buffer}
+ * @api public
+ */
+
+Message.prototype.toBuffer = function(){
+  return encode(this.args);
+};
+
+/**
+ * Decode `msg` and unpack all args.
+ *
+ * @param {Buffer} msg
+ * @return {Array}
+ * @api private
+ */
+
+function decode(msg) {
+  var args = amp.decode(msg);
+  
+  for (var i = 0; i < args.length; i++) {
+    args[i] = unpack(args[i]);
+  }
+
+  return args;
+}
+
+/**
+ * Encode and pack all `args`.
+ *
+ * @param {Array} args
+ * @return {Buffer}
+ * @api private
+ */
+
+function encode(args) {
+  var tmp = new Array(args.length);
+
+  for (var i = 0; i < args.length; i++) {
+    tmp[i] = pack(args[i]);
+  }
+
+  return amp.encode(tmp);
+}
+
+/**
+ * Pack `arg`.
+ *
+ * @param {Mixed} arg
+ * @return {Buffer}
+ * @api private
+ */
+
+function pack(arg) {
+  // blob
+  if (Buffer.isBuffer(arg)) return arg;
+
+  // string
+  if ('string' == typeof arg) return new Buffer('s:' + arg);
+
+  // undefined
+  if (arg === undefined) arg = null;
+
+  // json
+  return new Buffer('j:' + JSON.stringify(arg));
+}
+
+/**
+ * Unpack `arg`.
+ *
+ * @param {Buffer} arg
+ * @return {Mixed}
+ * @api private
+ */
+
+function unpack(arg) {
+  // json
+  if (isJSON(arg)) return JSON.parse(arg.slice(2));
+
+  // string
+  if (isString(arg)) return arg.slice(2).toString();
+ 
+  // blob
+  return arg;
+}
+
+/**
+ * String argument.
+ */
+
+function isString(arg) {
+  return 115 == arg[0] && 58 == arg[1];
+}
+
+/**
+ * JSON argument.
+ */
+
+function isJSON(arg) {
+  return 106 == arg[0] && 58 == arg[1];
+}
+
+/**
+ * ID argument.
+ */
+
+function isId(arg) {
+  return 105 == arg[0] && 58 == arg[1];
+}