initial commit

libjs/wDispatcher/parentreporter.js

@@ -0,0 +1,55 @@
+"use strict";
+
+var DefaultHandler = require("./defaulthandler");
+var Handler = require("./handler");
+
+var Address = require("../wType/address");
+var AbstractMap = require("../wContainer/abstractmap");
+
+var HandlersMap = AbstractMap.template(Address, Handler);
+
+var ParentReporter = DefaultHandler.inherit({
+    "className": "ParentReporter",
+    "constructor": function() {
+        DefaultHandler.fn.constructor.call(this);
+        
+        this._handlers = new HandlersMap(false);
+    },
+    "destructor": function() {
+        this._handlers.destructor();
+        
+        DefaultHandler.fn.destructor.call(this);
+    },
+    "call": function(ev) {
+        var addr = ev.getDestination();
+        var result = [];
+        
+        var itr = this._handlers.begin();
+        var end = this._handlers.end();
+        for (; !itr["=="](end); itr["++"]()) {
+            var pair = itr["*"]();
+            if (addr.begins(pair.first)) {
+                result[pair.first.size()] = pair.second;        //it's a dirty javascript trick
+            }                                                   //I need the longest of matching, and that's how I'm gonna get it
+        }
+        if (result.length) {
+            result[result.length - 1].pass(ev);
+            return true;
+        } else {
+            return false;
+        }
+    },
+    "registerParent": function(parentAddr, handler) {
+        this._handlers.insert(parentAddr, handler);
+    },
+    "unregisterParent": function(parentAddr) {
+        var itr = this._handlers.find(parentAddr);
+        if (!itr["=="](this._handlers.end())) {
+            this._handlers.erase(itr);
+        } else {
+            throw new Error("An attempt to unregister unregistered parent in ParentReporter");
+        }
+    }
+});
+
+module.exports = ParentReporter;