X-Git-Url: https://defiant.homedns.org/gitweb/?p=ros_wild_thumper.git;a=blobdiff_plain;f=www%2Fassets%2Fjavascripts%2Feventemitter2.js;fp=www%2Fassets%2Fjavascripts%2Feventemitter2.js;h=bde69e853267a0969629618d7b94f69ee94cfafd;hp=0000000000000000000000000000000000000000;hb=01848a9a84b296519ca4b4f41906159fd4158213;hpb=e1f7a5148b9999b57a91c1ddb244397bf841de7e

diff --git a/www/assets/javascripts/eventemitter2.js b/www/assets/javascripts/eventemitter2.js
new file mode 100644
index 0000000..bde69e8
--- /dev/null
+++ b/www/assets/javascripts/eventemitter2.js
@@ -0,0 +1,573 @@
+/*!
+ * EventEmitter2
+ * https://github.com/hij1nx/EventEmitter2
+ *
+ * Copyright (c) 2013 hij1nx
+ * Licensed under the MIT license.
+ */
+;!function(undefined) {
+
+  var isArray = Array.isArray ? Array.isArray : function _isArray(obj) {
+    return Object.prototype.toString.call(obj) === "[object Array]";
+  };
+  var defaultMaxListeners = 10;
+
+  function init() {
+    this._events = {};
+    if (this._conf) {
+      configure.call(this, this._conf);
+    }
+  }
+
+  function configure(conf) {
+    if (conf) {
+
+      this._conf = conf;
+
+      conf.delimiter && (this.delimiter = conf.delimiter);
+      conf.maxListeners && (this._events.maxListeners = conf.maxListeners);
+      conf.wildcard && (this.wildcard = conf.wildcard);
+      conf.newListener && (this.newListener = conf.newListener);
+
+      if (this.wildcard) {
+        this.listenerTree = {};
+      }
+    }
+  }
+
+  function EventEmitter(conf) {
+    this._events = {};
+    this.newListener = false;
+    configure.call(this, conf);
+  }
+
+  //
+  // Attention, function return type now is array, always !
+  // It has zero elements if no any matches found and one or more
+  // elements (leafs) if there are matches
+  //
+  function searchListenerTree(handlers, type, tree, i) {
+    if (!tree) {
+      return [];
+    }
+    var listeners=[], leaf, len, branch, xTree, xxTree, isolatedBranch, endReached,
+        typeLength = type.length, currentType = type[i], nextType = type[i+1];
+    if (i === typeLength && tree._listeners) {
+      //
+      // If at the end of the event(s) list and the tree has listeners
+      // invoke those listeners.
+      //
+      if (typeof tree._listeners === 'function') {
+        handlers && handlers.push(tree._listeners);
+        return [tree];
+      } else {
+        for (leaf = 0, len = tree._listeners.length; leaf < len; leaf++) {
+          handlers && handlers.push(tree._listeners[leaf]);
+        }
+        return [tree];
+      }
+    }
+
+    if ((currentType === '*' || currentType === '**') || tree[currentType]) {
+      //
+      // If the event emitted is '*' at this part
+      // or there is a concrete match at this patch
+      //
+      if (currentType === '*') {
+        for (branch in tree) {
+          if (branch !== '_listeners' && tree.hasOwnProperty(branch)) {
+            listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i+1));
+          }
+        }
+        return listeners;
+      } else if(currentType === '**') {
+        endReached = (i+1 === typeLength || (i+2 === typeLength && nextType === '*'));
+        if(endReached && tree._listeners) {
+          // The next element has a _listeners, add it to the handlers.
+          listeners = listeners.concat(searchListenerTree(handlers, type, tree, typeLength));
+        }
+
+        for (branch in tree) {
+          if (branch !== '_listeners' && tree.hasOwnProperty(branch)) {
+            if(branch === '*' || branch === '**') {
+              if(tree[branch]._listeners && !endReached) {
+                listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], typeLength));
+              }
+              listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i));
+            } else if(branch === nextType) {
+              listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i+2));
+            } else {
+              // No match on this one, shift into the tree but not in the type array.
+              listeners = listeners.concat(searchListenerTree(handlers, type, tree[branch], i));
+            }
+          }
+        }
+        return listeners;
+      }
+
+      listeners = listeners.concat(searchListenerTree(handlers, type, tree[currentType], i+1));
+    }
+
+    xTree = tree['*'];
+    if (xTree) {
+      //
+      // If the listener tree will allow any match for this part,
+      // then recursively explore all branches of the tree
+      //
+      searchListenerTree(handlers, type, xTree, i+1);
+    }
+
+    xxTree = tree['**'];
+    if(xxTree) {
+      if(i < typeLength) {
+        if(xxTree._listeners) {
+          // If we have a listener on a '**', it will catch all, so add its handler.
+          searchListenerTree(handlers, type, xxTree, typeLength);
+        }
+
+        // Build arrays of matching next branches and others.
+        for(branch in xxTree) {
+          if(branch !== '_listeners' && xxTree.hasOwnProperty(branch)) {
+            if(branch === nextType) {
+              // We know the next element will match, so jump twice.
+              searchListenerTree(handlers, type, xxTree[branch], i+2);
+            } else if(branch === currentType) {
+              // Current node matches, move into the tree.
+              searchListenerTree(handlers, type, xxTree[branch], i+1);
+            } else {
+              isolatedBranch = {};
+              isolatedBranch[branch] = xxTree[branch];
+              searchListenerTree(handlers, type, { '**': isolatedBranch }, i+1);
+            }
+          }
+        }
+      } else if(xxTree._listeners) {
+        // We have reached the end and still on a '**'
+        searchListenerTree(handlers, type, xxTree, typeLength);
+      } else if(xxTree['*'] && xxTree['*']._listeners) {
+        searchListenerTree(handlers, type, xxTree['*'], typeLength);
+      }
+    }
+
+    return listeners;
+  }
+
+  function growListenerTree(type, listener) {
+
+    type = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
+
+    //
+    // Looks for two consecutive '**', if so, don't add the event at all.
+    //
+    for(var i = 0, len = type.length; i+1 < len; i++) {
+      if(type[i] === '**' && type[i+1] === '**') {
+        return;
+      }
+    }
+
+    var tree = this.listenerTree;
+    var name = type.shift();
+
+    while (name) {
+
+      if (!tree[name]) {
+        tree[name] = {};
+      }
+
+      tree = tree[name];
+
+      if (type.length === 0) {
+
+        if (!tree._listeners) {
+          tree._listeners = listener;
+        }
+        else if(typeof tree._listeners === 'function') {
+          tree._listeners = [tree._listeners, listener];
+        }
+        else if (isArray(tree._listeners)) {
+
+          tree._listeners.push(listener);
+
+          if (!tree._listeners.warned) {
+
+            var m = defaultMaxListeners;
+
+            if (typeof this._events.maxListeners !== 'undefined') {
+              m = this._events.maxListeners;
+            }
+
+            if (m > 0 && tree._listeners.length > m) {
+
+              tree._listeners.warned = true;
+              console.error('(node) warning: possible EventEmitter memory ' +
+                            'leak detected. %d listeners added. ' +
+                            'Use emitter.setMaxListeners() to increase limit.',
+                            tree._listeners.length);
+              console.trace();
+            }
+          }
+        }
+        return true;
+      }
+      name = type.shift();
+    }
+    return true;
+  }
+
+  // By default EventEmitters will print a warning if more than
+  // 10 listeners are added to it. This is a useful default which
+  // helps finding memory leaks.
+  //
+  // Obviously not all Emitters should be limited to 10. This function allows
+  // that to be increased. Set to zero for unlimited.
+
+  EventEmitter.prototype.delimiter = '.';
+
+  EventEmitter.prototype.setMaxListeners = function(n) {
+    this._events || init.call(this);
+    this._events.maxListeners = n;
+    if (!this._conf) this._conf = {};
+    this._conf.maxListeners = n;
+  };
+
+  EventEmitter.prototype.event = '';
+
+  EventEmitter.prototype.once = function(event, fn) {
+    this.many(event, 1, fn);
+    return this;
+  };
+
+  EventEmitter.prototype.many = function(event, ttl, fn) {
+    var self = this;
+
+    if (typeof fn !== 'function') {
+      throw new Error('many only accepts instances of Function');
+    }
+
+    function listener() {
+      if (--ttl === 0) {
+        self.off(event, listener);
+      }
+      fn.apply(this, arguments);
+    }
+
+    listener._origin = fn;
+
+    this.on(event, listener);
+
+    return self;
+  };
+
+  EventEmitter.prototype.emit = function() {
+
+    this._events || init.call(this);
+
+    var type = arguments[0];
+
+    if (type === 'newListener' && !this.newListener) {
+      if (!this._events.newListener) { return false; }
+    }
+
+    // Loop through the *_all* functions and invoke them.
+    if (this._all) {
+      var l = arguments.length;
+      var args = new Array(l - 1);
+      for (var i = 1; i < l; i++) args[i - 1] = arguments[i];
+      for (i = 0, l = this._all.length; i < l; i++) {
+        this.event = type;
+        this._all[i].apply(this, args);
+      }
+    }
+
+    // If there is no 'error' event listener then throw.
+    if (type === 'error') {
+
+      if (!this._all &&
+        !this._events.error &&
+        !(this.wildcard && this.listenerTree.error)) {
+
+        if (arguments[1] instanceof Error) {
+          throw arguments[1]; // Unhandled 'error' event
+        } else {
+          throw new Error("Uncaught, unspecified 'error' event.");
+        }
+        return false;
+      }
+    }
+
+    var handler;
+
+    if(this.wildcard) {
+      handler = [];
+      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
+      searchListenerTree.call(this, handler, ns, this.listenerTree, 0);
+    }
+    else {
+      handler = this._events[type];
+    }
+
+    if (typeof handler === 'function') {
+      this.event = type;
+      if (arguments.length === 1) {
+        handler.call(this);
+      }
+      else if (arguments.length > 1)
+        switch (arguments.length) {
+          case 2:
+            handler.call(this, arguments[1]);
+            break;
+          case 3:
+            handler.call(this, arguments[1], arguments[2]);
+            break;
+          // slower
+          default:
+            var l = arguments.length;
+            var args = new Array(l - 1);
+            for (var i = 1; i < l; i++) args[i - 1] = arguments[i];
+            handler.apply(this, args);
+        }
+      return true;
+    }
+    else if (handler) {
+      var l = arguments.length;
+      var args = new Array(l - 1);
+      for (var i = 1; i < l; i++) args[i - 1] = arguments[i];
+
+      var listeners = handler.slice();
+      for (var i = 0, l = listeners.length; i < l; i++) {
+        this.event = type;
+        listeners[i].apply(this, args);
+      }
+      return (listeners.length > 0) || !!this._all;
+    }
+    else {
+      return !!this._all;
+    }
+
+  };
+
+  EventEmitter.prototype.on = function(type, listener) {
+
+    if (typeof type === 'function') {
+      this.onAny(type);
+      return this;
+    }
+
+    if (typeof listener !== 'function') {
+      throw new Error('on only accepts instances of Function');
+    }
+    this._events || init.call(this);
+
+    // To avoid recursion in the case that type == "newListeners"! Before
+    // adding it to the listeners, first emit "newListeners".
+    this.emit('newListener', type, listener);
+
+    if(this.wildcard) {
+      growListenerTree.call(this, type, listener);
+      return this;
+    }
+
+    if (!this._events[type]) {
+      // Optimize the case of one listener. Don't need the extra array object.
+      this._events[type] = listener;
+    }
+    else if(typeof this._events[type] === 'function') {
+      // Adding the second element, need to change to array.
+      this._events[type] = [this._events[type], listener];
+    }
+    else if (isArray(this._events[type])) {
+      // If we've already got an array, just append.
+      this._events[type].push(listener);
+
+      // Check for listener leak
+      if (!this._events[type].warned) {
+
+        var m = defaultMaxListeners;
+
+        if (typeof this._events.maxListeners !== 'undefined') {
+          m = this._events.maxListeners;
+        }
+
+        if (m > 0 && this._events[type].length > m) {
+
+          this._events[type].warned = true;
+          console.error('(node) warning: possible EventEmitter memory ' +
+                        'leak detected. %d listeners added. ' +
+                        'Use emitter.setMaxListeners() to increase limit.',
+                        this._events[type].length);
+          console.trace();
+        }
+      }
+    }
+    return this;
+  };
+
+  EventEmitter.prototype.onAny = function(fn) {
+
+    if (typeof fn !== 'function') {
+      throw new Error('onAny only accepts instances of Function');
+    }
+
+    if(!this._all) {
+      this._all = [];
+    }
+
+    // Add the function to the event listener collection.
+    this._all.push(fn);
+    return this;
+  };
+
+  EventEmitter.prototype.addListener = EventEmitter.prototype.on;
+
+  EventEmitter.prototype.off = function(type, listener) {
+    if (typeof listener !== 'function') {
+      throw new Error('removeListener only takes instances of Function');
+    }
+
+    var handlers,leafs=[];
+
+    if(this.wildcard) {
+      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
+      leafs = searchListenerTree.call(this, null, ns, this.listenerTree, 0);
+    }
+    else {
+      // does not use listeners(), so no side effect of creating _events[type]
+      if (!this._events[type]) return this;
+      handlers = this._events[type];
+      leafs.push({_listeners:handlers});
+    }
+
+    for (var iLeaf=0; iLeaf<leafs.length; iLeaf++) {
+      var leaf = leafs[iLeaf];
+      handlers = leaf._listeners;
+      if (isArray(handlers)) {
+
+        var position = -1;
+
+        for (var i = 0, length = handlers.length; i < length; i++) {
+          if (handlers[i] === listener ||
+            (handlers[i].listener && handlers[i].listener === listener) ||
+            (handlers[i]._origin && handlers[i]._origin === listener)) {
+            position = i;
+            break;
+          }
+        }
+
+        if (position < 0) {
+          continue;
+        }
+
+        if(this.wildcard) {
+          leaf._listeners.splice(position, 1);
+        }
+        else {
+          this._events[type].splice(position, 1);
+        }
+
+        if (handlers.length === 0) {
+          if(this.wildcard) {
+            delete leaf._listeners;
+          }
+          else {
+            delete this._events[type];
+          }
+        }
+        return this;
+      }
+      else if (handlers === listener ||
+        (handlers.listener && handlers.listener === listener) ||
+        (handlers._origin && handlers._origin === listener)) {
+        if(this.wildcard) {
+          delete leaf._listeners;
+        }
+        else {
+          delete this._events[type];
+        }
+      }
+    }
+
+    return this;
+  };
+
+  EventEmitter.prototype.offAny = function(fn) {
+    var i = 0, l = 0, fns;
+    if (fn && this._all && this._all.length > 0) {
+      fns = this._all;
+      for(i = 0, l = fns.length; i < l; i++) {
+        if(fn === fns[i]) {
+          fns.splice(i, 1);
+          return this;
+        }
+      }
+    } else {
+      this._all = [];
+    }
+    return this;
+  };
+
+  EventEmitter.prototype.removeListener = EventEmitter.prototype.off;
+
+  EventEmitter.prototype.removeAllListeners = function(type) {
+    if (arguments.length === 0) {
+      !this._events || init.call(this);
+      return this;
+    }
+
+    if(this.wildcard) {
+      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
+      var leafs = searchListenerTree.call(this, null, ns, this.listenerTree, 0);
+
+      for (var iLeaf=0; iLeaf<leafs.length; iLeaf++) {
+        var leaf = leafs[iLeaf];
+        leaf._listeners = null;
+      }
+    }
+    else {
+      if (!this._events[type]) return this;
+      this._events[type] = null;
+    }
+    return this;
+  };
+
+  EventEmitter.prototype.listeners = function(type) {
+    if(this.wildcard) {
+      var handlers = [];
+      var ns = typeof type === 'string' ? type.split(this.delimiter) : type.slice();
+      searchListenerTree.call(this, handlers, ns, this.listenerTree, 0);
+      return handlers;
+    }
+
+    this._events || init.call(this);
+
+    if (!this._events[type]) this._events[type] = [];
+    if (!isArray(this._events[type])) {
+      this._events[type] = [this._events[type]];
+    }
+    return this._events[type];
+  };
+
+  EventEmitter.prototype.listenersAny = function() {
+
+    if(this._all) {
+      return this._all;
+    }
+    else {
+      return [];
+    }
+
+  };
+
+  if (typeof define === 'function' && define.amd) {
+     // AMD. Register as an anonymous module.
+    define(function() {
+      return EventEmitter;
+    });
+  } else if (typeof exports === 'object') {
+    // CommonJS
+    exports.EventEmitter2 = EventEmitter;
+  }
+  else {
+    // Browser global.
+    window.EventEmitter2 = EventEmitter;
+  }
+}();