415gotit

node_modules/msgpack-lite/lib/read-core.js

@@ -0,0 +1,52 @@
+// read-core.js
+
+var ExtBuffer = require("./ext-buffer").ExtBuffer;
+var ExtUnpacker = require("./ext-unpacker");
+var readUint8 = require("./read-format").readUint8;
+var ReadToken = require("./read-token");
+var CodecBase = require("./codec-base");
+
+CodecBase.install({
+  addExtUnpacker: addExtUnpacker,
+  getExtUnpacker: getExtUnpacker,
+  init: init
+});
+
+exports.preset = init.call(CodecBase.preset);
+
+function getDecoder(options) {
+  var readToken = ReadToken.getReadToken(options);
+  return decode;
+
+  function decode(decoder) {
+    var type = readUint8(decoder);
+    var func = readToken[type];
+    if (!func) throw new Error("Invalid type: " + (type ? ("0x" + type.toString(16)) : type));
+    return func(decoder);
+  }
+}
+
+function init() {
+  var options = this.options;
+  this.decode = getDecoder(options);
+
+  if (options && options.preset) {
+    ExtUnpacker.setExtUnpackers(this);
+  }
+
+  return this;
+}
+
+function addExtUnpacker(etype, unpacker) {
+  var unpackers = this.extUnpackers || (this.extUnpackers = []);
+  unpackers[etype] = CodecBase.filter(unpacker);
+}
+
+function getExtUnpacker(type) {
+  var unpackers = this.extUnpackers || (this.extUnpackers = []);
+  return unpackers[type] || extUnpacker;
+
+  function extUnpacker(buffer) {
+    return new ExtBuffer(buffer, type);
+  }
+}