08-27-周三_17-09-29

node_modules/htmlparser2/lib/Stream.js

@@ -0,0 +1,35 @@
+module.exports = Stream;
+
+var Parser = require("./WritableStream.js");
+
+function Stream(options) {
+    Parser.call(this, new Cbs(this), options);
+}
+
+require("inherits")(Stream, Parser);
+
+Stream.prototype.readable = true;
+
+function Cbs(scope) {
+    this.scope = scope;
+}
+
+var EVENTS = require("../").EVENTS;
+
+Object.keys(EVENTS).forEach(function(name) {
+    if (EVENTS[name] === 0) {
+        Cbs.prototype["on" + name] = function() {
+            this.scope.emit(name);
+        };
+    } else if (EVENTS[name] === 1) {
+        Cbs.prototype["on" + name] = function(a) {
+            this.scope.emit(name, a);
+        };
+    } else if (EVENTS[name] === 2) {
+        Cbs.prototype["on" + name] = function(a, b) {
+            this.scope.emit(name, a, b);
+        };
+    } else {
+        throw Error("wrong number of arguments!");
+    }
+});