mirror of
https://github.com/gryf/pentadactyl-pm.git
synced 2025-12-20 00:07:59 +01:00
1730 lines
55 KiB
JavaScript
1730 lines
55 KiB
JavaScript
// Copyright (c) 2009-2011 by Kris Maglione <maglione.k@gmail.com>
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//
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// This work is licensed for reuse under an MIT license. Details are
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// given in the LICENSE.txt file included with this file.
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"use strict";
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var { classes: Cc, interfaces: Ci, results: Cr, utils: Cu } = Components;
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Cu.import("resource://dactyl/bootstrap.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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try {
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var ctypes;
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Cu.import("resource://gre/modules/ctypes.jsm");
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}
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catch (e) {}
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let objproto = Object.prototype;
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let { __lookupGetter__, __lookupSetter__, __defineGetter__, __defineSetter__,
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hasOwnProperty, propertyIsEnumerable } = objproto;
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if (typeof XPCSafeJSObjectWrapper === "undefined")
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this.XPCSafeJSObjectWrapper = XPCNativeWrapper;
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if (!XPCNativeWrapper.unwrap)
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XPCNativeWrapper.unwrap = function unwrap(obj) {
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if (hasOwnProperty.call(obj, "wrappedJSObject"))
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return obj.wrappedJSObject;
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return obj;
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};
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if (!Object.create)
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Object.create = function create(proto, props) {
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let obj = { __proto__: proto };
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for (let k in properties(props || {}))
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Object.defineProperty(obj, k, props[k]);
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return obj;
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};
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if (!Object.defineProperty)
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Object.defineProperty = function defineProperty(obj, prop, desc) {
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try {
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let value = desc.value;
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if ("value" in desc)
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if (desc.writable && !__lookupGetter__.call(obj, prop)
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&& !__lookupSetter__.call(obj, prop))
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try {
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obj[prop] = value;
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}
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catch (e if e instanceof TypeError) {}
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else {
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__defineGetter__.call(obj, prop, function () value);
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if (desc.writable)
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__defineSetter__.call(obj, prop, function (val) { value = val; });
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}
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if ("get" in desc)
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__defineGetter__.call(obj, prop, desc.get);
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if ("set" in desc)
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__defineSetter__.call(obj, prop, desc.set);
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}
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catch (e) {
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throw e.stack ? e : Error(e);
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}
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};
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if (!Object.defineProperties)
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Object.defineProperties = function defineProperties(obj, props) {
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for (let [k, v] in Iterator(props))
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Object.defineProperty(obj, k, v);
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};
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if (!Object.freeze)
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Object.freeze = function freeze(obj) {};
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if (!Object.getPropertyDescriptor)
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Object.getPropertyDescriptor = function getPropertyDescriptor(obj, prop) {
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try {
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let desc = {
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configurable: true,
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enumerable: propertyIsEnumerable.call(obj, prop)
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};
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var get = __lookupGetter__.call(obj, prop),
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set = __lookupSetter__.call(obj, prop);
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if (!get && !set) {
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desc.value = obj[prop];
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desc.writable = true;
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}
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if (get)
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desc.get = get;
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if (set)
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desc.set = set;
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return desc;
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}
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catch (e) {
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throw e.stack ? e : Error(e);
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}
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};
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if (!Object.getOwnPropertyDescriptor)
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Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(obj, prop) {
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if (hasOwnProperty.call(obj, prop))
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return Object.getPropertyDescriptor(obj, prop);
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};
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if (!Object.getOwnPropertyNames)
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Object.getOwnPropertyNames = function getOwnPropertyNames(obj, _debugger) {
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try {
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// This is an ugly and unfortunately necessary hack.
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if (hasOwnProperty.call(obj, "__iterator__")) {
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var oldIter = obj.__iterator__;
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delete obj.__iterator__;
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}
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let res = [k for (k in obj) if (hasOwnProperty.call(obj, k))];
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if (oldIter !== undefined) {
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obj.__iterator__ = oldIter;
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res.push("__iterator__");
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}
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return res;
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}
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catch (e) {
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throw e.stack ? e : Error(e);
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}
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};
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if (!Object.getPrototypeOf)
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Object.getPrototypeOf = function getPrototypeOf(obj) obj.__proto__;
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if (!Object.keys)
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Object.keys = function keys(obj)
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Object.getOwnPropertyNames(obj).filter(function (k) propertyIsEnumerable.call(obj, k));
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let getGlobalForObject = Cu.getGlobalForObject || function (obj) obj.__parent__;
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let jsmodules = {
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lazyRequire: function lazyRequire(module, names, target) {
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for each (let name in names)
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memoize(target || this, name, function (name) require(module)[name]);
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}
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};
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let use = {};
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let loaded = {};
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let currentModule;
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let global = this;
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function defineModule(name, params, module) {
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if (!module)
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module = getGlobalForObject(params);
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module.NAME = name;
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module.EXPORTED_SYMBOLS = params.exports || [];
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if (!~module.EXPORTED_SYMBOLS.indexOf("File"))
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delete module.File;
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defineModule.loadLog.push("[Begin " + name + "]");
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defineModule.prefix += " ";
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for (let [, mod] in Iterator(params.require || []))
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require(module, mod, null, name);
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module.__proto__ = jsmodules;
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module._lastModule = currentModule;
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currentModule = module;
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module.startTime = Date.now();
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}
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defineModule.loadLog = [];
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Object.defineProperty(defineModule.loadLog, "push", {
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value: function (val) {
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val = defineModule.prefix + val;
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if (true)
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defineModule.dump(val + "\n");
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this[this.length] = Date.now() + " " + val;
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}
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});
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defineModule.prefix = "";
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defineModule.dump = function dump_() {
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let msg = Array.map(arguments, function (msg) {
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if (loaded.util && typeof msg == "object")
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msg = util.objectToString(msg);
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return msg;
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}).join(", ");
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dump(String.replace(msg, /\n?$/, "\n")
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.replace(/^./gm, JSMLoader.name + ": $&"));
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}
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defineModule.modules = [];
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defineModule.time = function time(major, minor, func, self) {
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let time = Date.now();
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if (typeof func !== "function")
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func = self[func];
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try {
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var res = func.apply(self, Array.slice(arguments, 4));
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}
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catch (e) {
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loaded.util && util.reportError(e);
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}
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JSMLoader.times.add(major, minor, Date.now() - time);
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return res;
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}
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function endModule() {
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defineModule.prefix = defineModule.prefix.slice(0, -2);
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defineModule.loadLog.push("(End " + currentModule.NAME + ")");
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loaded[currentModule.NAME] = 1;
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require(jsmodules, currentModule.NAME);
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currentModule = currentModule._lastModule;
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}
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function require(obj, name, from, targetName) {
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try {
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if (arguments.length === 1)
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[obj, name] = [{}, obj];
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let caller = Components.stack.caller;
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if (!loaded[name])
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defineModule.loadLog.push((from || "require") + ": loading " + name +
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" into " + (targetName || obj.NAME || caller.filename + ":" + caller.lineNumber));
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JSMLoader.load(name + ".jsm", obj);
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if (!loaded[name] && obj != jsmodules)
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JSMLoader.load(name + ".jsm", jsmodules);
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return obj;
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}
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catch (e) {
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defineModule.dump("loading " + String.quote(name + ".jsm") + "\n");
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if (loaded.util)
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util.reportError(e);
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else
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defineModule.dump(" " + (e.filename || e.fileName) + ":" + e.lineNumber + ": " + e + "\n");
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}
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}
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defineModule("base", {
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// sed -n 's/^(const|var|function) ([a-zA-Z0-9_]+).*/ "\2",/p' base.jsm | sort | fmt
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exports: [
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"ErrorBase", "Cc", "Ci", "Class", "Cr", "Cu", "Module", "JSMLoader", "Object",
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"Set", "Struct", "StructBase", "Timer", "UTF8", "XPCOM", "XPCOMShim", "XPCOMUtils",
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"XPCSafeJSObjectWrapper", "array", "bind", "call", "callable", "ctypes", "curry",
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"debuggerProperties", "defineModule", "deprecated", "endModule", "forEach", "isArray",
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"isGenerator", "isinstance", "isObject", "isString", "isSubclass", "iter", "iterAll",
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"iterOwnProperties", "keys", "memoize", "octal", "properties", "require", "set", "update",
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"values", "withCallerGlobal"
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]
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}, this);
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this.lazyRequire("messages", ["_", "Messages"]);
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this.lazyRequire("util", ["util"]);
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/**
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* Returns a list of all of the top-level properties of an object, by
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* way of the debugger.
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*
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* @param {object} obj
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* @returns [jsdIProperty]
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*/
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function debuggerProperties(obj) {
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if (loaded.services && services.debugger.isOn) {
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let res = {};
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services.debugger.wrapValue(obj).getProperties(res, {});
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return res.value;
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}
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}
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/**
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* Iterates over the names of all of the top-level properties of an
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* object or, if prototypes is given, all of the properties in the
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* prototype chain below the top. Uses the debugger if possible.
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*
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* @param {object} obj The object to inspect.
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* @param {boolean} properties Whether to inspect the prototype chain
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* @default false
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* @returns {Generator}
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*/
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function prototype(obj)
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/* Temporary hack: */ typeof obj === "xml" || obj.__proto__ !== obj.__proto__ ? null :
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obj.__proto__ || Object.getPrototypeOf(obj) ||
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XPCNativeWrapper.unwrap(obj).__proto__ ||
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Object.getPrototypeOf(XPCNativeWrapper.unwrap(obj));
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function properties(obj, prototypes, debugger_) {
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let orig = obj;
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let seen = { dactylPropertyNames: true };
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try {
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if ("dactylPropertyNames" in obj && !prototypes)
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for (let key in values(obj.dactylPropertyNames))
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if (key in obj && !Set.add(seen, key))
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yield key;
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}
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catch (e) {}
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for (; obj; obj = prototypes && prototype(obj)) {
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try {
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if (sandbox.Object.getOwnPropertyNames || !debugger_ || !services.debugger.isOn)
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var iter = values(Object.getOwnPropertyNames(obj));
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}
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catch (e) {}
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if (!iter)
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iter = (prop.name.stringValue for (prop in values(debuggerProperties(obj))));
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for (let key in iter)
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if (!prototypes || !Set.add(seen, key) && obj != orig)
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yield key;
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}
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}
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function iterOwnProperties(obj) {
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for (let prop in properties(obj))
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yield [prop, Object.getOwnPropertyDescriptor(obj, prop)];
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}
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function deprecated(alternative, fn) {
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if (isObject(fn))
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return Class.Property(iter(fn).map(function ([k, v]) [k, callable(v) ? deprecated(alternative, v) : v])
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.toObject());
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let name, func = callable(fn) ? fn : function () this[fn].apply(this, arguments);
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function deprecatedMethod() {
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let obj = !this ? "" :
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this.className ? this.className + "#" :
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this.constructor.className ? this.constructor.className + "#" :
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"";
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deprecated.warn(func, obj + (fn.name || name), alternative);
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return func.apply(this, arguments);
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}
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return callable(fn) ? deprecatedMethod : Class.Property({
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get: function () deprecatedMethod,
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init: function (prop) { name = prop; }
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});
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}
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deprecated.warn = function warn(func, name, alternative, frame) {
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if (!func.seenCaller)
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func.seenCaller = Set([
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"resource://dactyl" + JSMLoader.suffix + "/javascript.jsm",
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"resource://dactyl" + JSMLoader.suffix + "/util.jsm"
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]);
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frame = frame || Components.stack.caller.caller;
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let filename = util.fixURI(frame.filename || "unknown");
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if (!Set.add(func.seenCaller, filename))
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util.dactyl(func).warn([util.urlPath(filename), frame.lineNumber, " "].join(":")
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+ _("warn.deprecated", name, alternative));
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}
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/**
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* Iterates over all of the top-level, iterable property names of an
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* object.
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*
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* @param {object} obj The object to inspect.
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* @returns {Generator}
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*/
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function keys(obj) iter(function keys() {
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for (var k in obj)
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if (hasOwnProperty.call(obj, k))
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yield k;
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}());
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/**
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* Iterates over all of the top-level, iterable property values of an
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* object.
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*
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* @param {object} obj The object to inspect.
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* @returns {Generator}
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*/
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function values(obj) iter(function values() {
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if (isinstance(obj, ["Generator", "Iterator"]))
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for (let k in obj)
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yield k;
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else
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for (var k in obj)
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if (hasOwnProperty.call(obj, k))
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yield obj[k];
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}());
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var forEach = deprecated("iter.forEach", function forEach() iter.forEach.apply(iter, arguments));
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var iterAll = deprecated("iter", function iterAll() iter.apply(null, arguments));
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/**
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* Utility for managing sets of strings. Given an array, returns an
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* object with one key for each value thereof.
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*
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* @param {[string]} ary @optional
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* @returns {object}
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*/
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function Set(ary) {
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let obj = {};
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if (ary)
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for (let val in values(ary))
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obj[val] = true;
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return obj;
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}
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/**
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* Adds an element to a set and returns true if the element was
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* previously contained.
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*
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* @param {object} set The set.
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* @param {string} key The key to add.
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* @returns boolean
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*/
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Set.add = curry(function set_add(set, key) {
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let res = this.has(set, key);
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set[key] = true;
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return res;
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});
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/**
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* Returns true if the given set contains the given key.
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*
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* @param {object} set The set.
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* @param {string} key The key to check.
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* @returns {boolean}
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*/
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Set.has = curry(function set_has(set, key) hasOwnProperty.call(set, key) &&
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propertyIsEnumerable.call(set, key));
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/**
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* Returns a new set containing the members of the first argument which
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* do not exist in any of the other given arguments.
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*
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* @param {object} set The set.
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* @returns {object}
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*/
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Set.subtract = function set_subtract(set) {
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set = update({}, set);
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for (let i = 1; i < arguments.length; i++)
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for (let k in keys(arguments[i]))
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delete set[k];
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return set;
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};
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/**
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* Removes an element from a set and returns true if the element was
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* previously contained.
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*
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* @param {object} set The set.
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* @param {string} key The key to remove.
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* @returns boolean
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*/
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Set.remove = curry(function set_remove(set, key) {
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let res = set.has(set, key);
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delete set[key];
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return res;
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});
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function set() {
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deprecated.warn(set, "set", "Set");
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return Set.apply(this, arguments);
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}
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Object.keys(Set).forEach(function (meth) {
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set[meth] = function proxy() {
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deprecated.warn(proxy, "set." + meth, "Set." + meth);
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return Set[meth].apply(Set, arguments);
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};
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});
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|
|
|
/**
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|
* Curries a function to the given number of arguments. Each
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* call of the resulting function returns a new function. When
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* a call does not contain enough arguments to satisfy the
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* required number, the resulting function is another curried
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|
* function with previous arguments accumulated.
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*
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* function foo(a, b, c) [a, b, c].join(" ");
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* curry(foo)(1, 2, 3) -> "1 2 3";
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* curry(foo)(4)(5, 6) -> "4 5 6";
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* curry(foo)(7)(8)(9) -> "7 8 9";
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*
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* @param {function} fn The function to curry.
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* @param {integer} length The number of arguments expected.
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* @default fn.length
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* @optional
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* @param {object} self The 'this' value for the returned function. When
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* omitted, the value of 'this' from the first call to the function is
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* preserved.
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* @optional
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*/
|
|
function curry(fn, length, self, acc) {
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|
if (length == null)
|
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length = fn.length;
|
|
if (length == 0)
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return fn;
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|
|
// Close over function with 'this'
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|
function close(self, fn) function () fn.apply(self, Array.slice(arguments));
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|
if (acc == null)
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acc = [];
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return function curried() {
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let args = acc.concat(Array.slice(arguments));
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|
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// The curried result should preserve 'this'
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|
if (arguments.length == 0)
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return close(self || this, curried);
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|
|
if (args.length >= length)
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return fn.apply(self || this, args);
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return curry(fn, length, self || this, args);
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};
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}
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|
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if (curry.bind)
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|
var bind = function bind(meth, self) let (func = callable(meth) ? meth : self[meth])
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|
func.bind.apply(func, Array.slice(arguments, 1));
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|
else
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|
var bind = function bind(func, self) {
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|
if (!callable(func))
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func = self[func];
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let args = Array.slice(arguments, bind.length);
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return function bound() func.apply(self, args.concat(Array.slice(arguments)));
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};
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|
|
/**
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|
* Returns true if both arguments are functions and
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|
* (targ() instanceof src) would also return true.
|
|
*
|
|
* @param {function} targ
|
|
* @param {function} src
|
|
* @returns {boolean}
|
|
*/
|
|
function isSubclass(targ, src) {
|
|
return src === targ ||
|
|
targ && typeof targ === "function" && targ.prototype instanceof src;
|
|
}
|
|
|
|
/**
|
|
* Returns true if *object* is an instance of *interfaces*. If *interfaces* is
|
|
* an array, returns true if *object* is an instance of any element of
|
|
* *interfaces*. If *interfaces* is the object form of a primitive type,
|
|
* returns true if *object* is a non-boxed version of the type, i.e., if
|
|
* (typeof object == "string"), isinstance(object, String) is true. Finally, if
|
|
* *interfaces* is a string, returns true if ({}.toString.call(object) ==
|
|
* "[object <interfaces>]").
|
|
*
|
|
* @param {object} object The object to check.
|
|
* @param {constructor|[constructor|string]} interfaces The types to check *object* against.
|
|
* @returns {boolean}
|
|
*/
|
|
var isinstance_types = {
|
|
boolean: Boolean,
|
|
string: String,
|
|
function: Function,
|
|
number: Number
|
|
};
|
|
function isinstance(object, interfaces) {
|
|
if (object == null)
|
|
return false;
|
|
|
|
return Array.concat(interfaces).some(function isinstance_some(iface) {
|
|
if (typeof iface === "string") {
|
|
if (objproto.toString.call(object) === "[object " + iface + "]")
|
|
return true;
|
|
}
|
|
else if (typeof object === "object" && "isinstance" in object && object.isinstance !== isinstance) {
|
|
if (object.isinstance(iface))
|
|
return true;
|
|
}
|
|
else {
|
|
if (object instanceof iface)
|
|
return true;
|
|
var type = isinstance_types[typeof object];
|
|
if (type && isSubclass(iface, type))
|
|
return true;
|
|
}
|
|
return false;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Returns true if obj is a non-null object.
|
|
*/
|
|
function isObject(obj) typeof obj === "object" && obj != null || obj instanceof Ci.nsISupports;
|
|
|
|
/**
|
|
* Returns true if and only if its sole argument is an
|
|
* instance of the builtin Array type. The array may come from
|
|
* any window, frame, namespace, or execution context, which
|
|
* is not the case when using (obj instanceof Array).
|
|
*/
|
|
var isArray =
|
|
Array.isArray
|
|
// This is bloody stupid.
|
|
? function isArray(val) Array.isArray(val) || val && val.constructor && val.constructor.name === "Array"
|
|
: function isArray(val) objproto.toString.call(val) == "[object Array]";
|
|
|
|
/**
|
|
* Returns true if and only if its sole argument is an
|
|
* instance of the builtin Generator type. This includes
|
|
* functions containing the 'yield' statement and generator
|
|
* statements such as (x for (x in obj)).
|
|
*/
|
|
function isGenerator(val) objproto.toString.call(val) == "[object Generator]";
|
|
|
|
/**
|
|
* Returns true if and only if its sole argument is a String,
|
|
* as defined by the builtin type. May be constructed via
|
|
* String(foo) or new String(foo) from any window, frame,
|
|
* namespace, or execution context, which is not the case when
|
|
* using (obj instanceof String) or (typeof obj == "string").
|
|
*/
|
|
function isString(val) objproto.toString.call(val) == "[object String]";
|
|
|
|
/**
|
|
* Returns true if and only if its sole argument may be called
|
|
* as a function. This includes classes and function objects.
|
|
*/
|
|
function callable(val) typeof val === "function" && !(val instanceof Ci.nsIDOMElement);
|
|
|
|
function call(fn) {
|
|
fn.apply(arguments[1], Array.slice(arguments, 2));
|
|
return fn;
|
|
}
|
|
|
|
/**
|
|
* Memoizes an object property value.
|
|
*
|
|
* @param {object} obj The object to add the property to.
|
|
* @param {string} key The property name.
|
|
* @param {function} getter The function which will return the initial
|
|
* value of the property.
|
|
*/
|
|
function memoize(obj, key, getter) {
|
|
if (arguments.length == 1) {
|
|
let res = update(Object.create(obj), obj);
|
|
for each (let prop in Object.getOwnPropertyNames(obj)) {
|
|
let get = __lookupGetter__.call(obj, prop);
|
|
if (get)
|
|
memoize(res, prop, get);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
try {
|
|
Object.defineProperty(obj, key, {
|
|
configurable: true,
|
|
enumerable: true,
|
|
|
|
get: function g_replaceProperty() {
|
|
try {
|
|
Class.replaceProperty(this.instance || this, key, null);
|
|
return Class.replaceProperty(this.instance || this, key, getter.call(this, key));
|
|
}
|
|
catch (e) {
|
|
util.reportError(e);
|
|
}
|
|
},
|
|
|
|
set: function s_replaceProperty(val)
|
|
Class.replaceProperty(this.instance || this, key, val)
|
|
});
|
|
}
|
|
catch (e) {
|
|
obj[key] = getter.call(obj, key);
|
|
}
|
|
}
|
|
|
|
let sandbox = Cu.Sandbox(this);
|
|
sandbox.__proto__ = this;
|
|
/**
|
|
* Wraps a function so that when called, the global object of the caller
|
|
* is prepended to its arguments.
|
|
*/
|
|
// Hack to get around lack of access to caller in strict mode.
|
|
var withCallerGlobal = Cu.evalInSandbox(<![CDATA[
|
|
(function withCallerGlobal(fn)
|
|
function withCallerGlobal_wrapped()
|
|
fn.apply(this,
|
|
[Class.objectGlobal(withCallerGlobal_wrapped.caller)]
|
|
.concat(Array.slice(arguments))))
|
|
]]>, Cu.Sandbox(this), "1.8");
|
|
|
|
/**
|
|
* Updates an object with the properties of another object. Getters
|
|
* and setters are copied as expected. Moreover, any function
|
|
* properties receive new 'supercall' and 'superapply' properties,
|
|
* which will call the identically named function in target's
|
|
* prototype.
|
|
*
|
|
* let a = { foo: function (arg) "bar " + arg }
|
|
* let b = { __proto__: a }
|
|
* update(b, { foo: function foo() foo.supercall(this, "baz") });
|
|
*
|
|
* a.foo("foo") -> "bar foo"
|
|
* b.foo() -> "bar baz"
|
|
*
|
|
* @param {Object} target The object to update.
|
|
* @param {Object} src The source object from which to update target.
|
|
* May be provided multiple times.
|
|
* @returns {Object} Returns its updated first argument.
|
|
*/
|
|
function update(target) {
|
|
for (let i = 1; i < arguments.length; i++) {
|
|
let src = arguments[i];
|
|
Object.getOwnPropertyNames(src || {}).forEach(function (k) {
|
|
let desc = Object.getOwnPropertyDescriptor(src, k);
|
|
if (desc.value instanceof Class.Property)
|
|
desc = desc.value.init(k, target) || desc.value;
|
|
|
|
try {
|
|
if (typeof desc.value === "function" && target.__proto__ && !(desc.value instanceof Ci.nsIDOMElement /* wtf? */)) {
|
|
let func = desc.value.wrapped || desc.value;
|
|
if (!func.superapply) {
|
|
func.__defineGetter__("super", function () Object.getPrototypeOf(target)[k]);
|
|
func.superapply = function superapply(self, args)
|
|
let (meth = Object.getPrototypeOf(target)[k])
|
|
meth && meth.apply(self, args);
|
|
func.supercall = function supercall(self)
|
|
func.superapply(self, Array.slice(arguments, 1));
|
|
}
|
|
}
|
|
Object.defineProperty(target, k, desc);
|
|
}
|
|
catch (e) {}
|
|
});
|
|
}
|
|
return target;
|
|
}
|
|
|
|
/**
|
|
* @constructor Class
|
|
*
|
|
* Constructs a new Class. Arguments marked as optional must be
|
|
* either entirely elided, or they must have the exact type
|
|
* specified.
|
|
*
|
|
* @param {string} name The class's as it will appear when toString
|
|
* is called, as well as in stack traces.
|
|
* @optional
|
|
* @param {function} base The base class for this module. May be any
|
|
* callable object.
|
|
* @optional
|
|
* @default Class
|
|
* @param {Object} prototype The prototype for instances of this
|
|
* object. The object itself is copied and not used as a prototype
|
|
* directly.
|
|
* @param {Object} classProperties The class properties for the new
|
|
* module constructor. More than one may be provided.
|
|
* @optional
|
|
*
|
|
* @returns {function} The constructor for the resulting class.
|
|
*/
|
|
function Class() {
|
|
|
|
var args = Array.slice(arguments);
|
|
if (isString(args[0]))
|
|
var name = args.shift();
|
|
var superclass = Class;
|
|
if (callable(args[0]))
|
|
superclass = args.shift();
|
|
|
|
if (loaded.config && (config.haveGecko("5.*", "6.0") || config.haveGecko("6.*"))) // Bug 657418.
|
|
var Constructor = function Constructor() {
|
|
var self = Object.create(Constructor.prototype);
|
|
self.instance = self;
|
|
|
|
if ("_metaInit_" in self && self._metaInit_)
|
|
self._metaInit_.apply(self, arguments);
|
|
|
|
var res = self.init.apply(self, arguments);
|
|
return res !== undefined ? res : self;
|
|
};
|
|
else
|
|
var Constructor = eval(String.replace(<![CDATA[
|
|
(function constructor(PARAMS) {
|
|
var self = Object.create(Constructor.prototype);
|
|
self.instance = self;
|
|
|
|
if ("_metaInit_" in self && self._metaInit_)
|
|
self._metaInit_.apply(self, arguments);
|
|
|
|
var res = self.init.apply(self, arguments);
|
|
return res !== undefined ? res : self;
|
|
})]]>,
|
|
"constructor", (name || superclass.className).replace(/\W/g, "_"))
|
|
.replace("PARAMS", /^function .*?\((.*?)\)/.exec(args[0] && args[0].init || Class.prototype.init)[1]
|
|
.replace(/\b(self|res|Constructor)\b/g, "$1_")));
|
|
|
|
Constructor.className = name || superclass.className || superclass.name;
|
|
|
|
if ("init" in superclass.prototype)
|
|
Constructor.__proto__ = superclass;
|
|
else {
|
|
let superc = superclass;
|
|
superclass = function Shim() {};
|
|
Class.extend(superclass, superc, {
|
|
init: superc
|
|
});
|
|
superclass.__proto__ = superc;
|
|
}
|
|
|
|
Class.extend(Constructor, superclass, args[0]);
|
|
memoize(Constructor, "closure", Class.makeClosure);
|
|
update(Constructor, args[1]);
|
|
|
|
Constructor.__proto__ = superclass;
|
|
|
|
args.slice(2).forEach(function (obj) {
|
|
if (callable(obj))
|
|
obj = obj.prototype;
|
|
update(Constructor.prototype, obj);
|
|
});
|
|
return Constructor;
|
|
}
|
|
|
|
if (Cu.getGlobalForObject)
|
|
Class.objectGlobal = function (object) {
|
|
try {
|
|
return Cu.getGlobalForObject(object);
|
|
}
|
|
catch (e) {
|
|
return null;
|
|
}
|
|
};
|
|
else
|
|
Class.objectGlobal = function (object) {
|
|
while (object.__parent__)
|
|
object = object.__parent__;
|
|
return object;
|
|
};
|
|
|
|
/**
|
|
* @class Class.Property
|
|
* A class which, when assigned to a property in a Class's prototype
|
|
* or class property object, defines that property's descriptor
|
|
* rather than its value. If the desc object has an init property, it
|
|
* will be called with the property's name before the descriptor is
|
|
* assigned.
|
|
*
|
|
* @param {Object} desc The property descriptor.
|
|
*/
|
|
Class.Property = function Property(desc) update(
|
|
Object.create(Property.prototype), desc || { configurable: true, writable: true });
|
|
Class.Property.prototype.init = function () {};
|
|
/**
|
|
* Extends a subclass with a superclass. The subclass's
|
|
* prototype is replaced with a new object, which inherits
|
|
* from the superclass's prototype, {@see update}d with the
|
|
* members of *overrides*.
|
|
*
|
|
* @param {function} subclass
|
|
* @param {function} superclass
|
|
* @param {Object} overrides @optional
|
|
*/
|
|
Class.extend = function extend(subclass, superclass, overrides) {
|
|
subclass.superclass = superclass;
|
|
|
|
subclass.prototype = Object.create(superclass.prototype);
|
|
update(subclass.prototype, overrides);
|
|
subclass.prototype.constructor = subclass;
|
|
subclass.prototype._class_ = subclass;
|
|
|
|
if (superclass.prototype.constructor === objproto.constructor)
|
|
superclass.prototype.constructor = superclass;
|
|
}
|
|
|
|
/**
|
|
* Memoizes the value of a class property to the value returned by
|
|
* the passed function the first time the property is accessed.
|
|
*
|
|
* @param {function(string)} getter The function which returns the
|
|
* property's value.
|
|
* @returns {Class.Property}
|
|
*/
|
|
Class.Memoize = function Memoize(getter, wait)
|
|
Class.Property({
|
|
configurable: true,
|
|
enumerable: true,
|
|
init: function (key) {
|
|
let done = false;
|
|
|
|
if (wait)
|
|
this.get = function replace() {
|
|
let obj = this.instance || this;
|
|
Object.defineProperty(obj, key, {
|
|
configurable: true, enumerable: false,
|
|
get: function get() {
|
|
util.waitFor(function () done);
|
|
return this[key];
|
|
}
|
|
});
|
|
|
|
util.yieldable(function () {
|
|
let wait;
|
|
for (var res in getter.call(obj)) {
|
|
if (wait !== undefined)
|
|
yield wait;
|
|
wait = res;
|
|
}
|
|
Class.replaceProperty(obj, key, res);
|
|
done = true;
|
|
})();
|
|
|
|
return this[key];
|
|
};
|
|
else
|
|
this.get = function replace() {
|
|
let obj = this.instance || this;
|
|
try {
|
|
Class.replaceProperty(obj, key, null);
|
|
return Class.replaceProperty(obj, key, getter.call(this, key));
|
|
}
|
|
catch (e) {
|
|
util.reportError(e);
|
|
}
|
|
};
|
|
|
|
this.set = function replace(val) Class.replaceProperty(this.instance || this, val);
|
|
}
|
|
});
|
|
|
|
Class.memoize = deprecated("Class.Memoize", function memoize() Class.Memoize.apply(this, arguments));
|
|
|
|
/**
|
|
* Updates the given object with the object in the target class's
|
|
* prototype.
|
|
*/
|
|
Class.Update = function Update(obj)
|
|
Class.Property({
|
|
configurable: true,
|
|
enumerable: true,
|
|
writable: true,
|
|
init: function (key, target) {
|
|
this.value = update({}, target[key], obj);
|
|
}
|
|
});
|
|
|
|
Class.replaceProperty = function replaceProperty(obj, prop, value) {
|
|
Object.defineProperty(obj, prop, { configurable: true, enumerable: true, value: value, writable: true });
|
|
return value;
|
|
};
|
|
Class.toString = function toString() "[class " + this.className + "]";
|
|
Class.prototype = {
|
|
/**
|
|
* Initializes new instances of this class. Called automatically
|
|
* when new instances are created.
|
|
*/
|
|
init: function c_init() {},
|
|
|
|
get instance() ({}),
|
|
set instance(val) Class.replaceProperty(this, "instance", val),
|
|
|
|
withSavedValues: function withSavedValues(names, callback, self) {
|
|
let vals = names.map(function (name) this[name], this);
|
|
try {
|
|
return callback.call(self || this);
|
|
}
|
|
finally {
|
|
names.forEach(function (name, i) this[name] = vals[i], this);
|
|
}
|
|
},
|
|
|
|
toString: function C_toString() {
|
|
if (this.toStringParams)
|
|
var params = "(" + this.toStringParams.map(function (m) isArray(m) ? "[" + m + "]" :
|
|
isString(m) ? m.quote() : String(m))
|
|
.join(", ") + ")";
|
|
return "[instance " + this.constructor.className + (params || "") + "]";
|
|
},
|
|
|
|
/**
|
|
* Executes *callback* after *timeout* milliseconds. The value of
|
|
* 'this' is preserved in the invocation of *callback*.
|
|
*
|
|
* @param {function} callback The function to call after *timeout*
|
|
* @param {number} timeout The time, in milliseconds, to wait
|
|
* before calling *callback*.
|
|
* @returns {nsITimer} The timer which backs this timeout.
|
|
*/
|
|
timeout: function timeout(callback, timeout) {
|
|
const self = this;
|
|
function timeout_notify(timer) {
|
|
if (self.stale ||
|
|
util.rehashing && !isinstance(Cu.getGlobalForObject(callback), ["BackstagePass"]))
|
|
return;
|
|
util.trapErrors(callback, self);
|
|
}
|
|
return services.Timer(timeout_notify, timeout || 0, services.Timer.TYPE_ONE_SHOT);
|
|
},
|
|
|
|
/**
|
|
* Updates this instance with the properties of the given objects.
|
|
* Like the update function, but with special semantics for
|
|
* localized properties.
|
|
*/
|
|
update: function update() {
|
|
let self = this;
|
|
// XXX: Duplication.
|
|
|
|
for (let i = 0; i < arguments.length; i++) {
|
|
let src = arguments[i];
|
|
Object.getOwnPropertyNames(src || {}).forEach(function (k) {
|
|
let desc = Object.getOwnPropertyDescriptor(src, k);
|
|
if (desc.value instanceof Class.Property)
|
|
desc = desc.value.init(k, this) || desc.value;
|
|
|
|
if (typeof desc.value === "function") {
|
|
let func = desc.value.wrapped || desc.value;
|
|
if (!func.superapply) {
|
|
func.__defineGetter__("super", function () Object.getPrototypeOf(self)[k]);
|
|
func.superapply = function superapply(self, args)
|
|
let (meth = Object.getPrototypeOf(self)[k])
|
|
meth && meth.apply(self, args);
|
|
func.supercall = function supercall(self)
|
|
func.superapply(self, Array.slice(arguments, 1));
|
|
}
|
|
}
|
|
|
|
try {
|
|
if ("value" in desc && (k in this.localizedProperties || k in this.magicalProperties))
|
|
this[k] = desc.value;
|
|
else
|
|
Object.defineProperty(this, k, desc);
|
|
}
|
|
catch (e) {}
|
|
}, this);
|
|
}
|
|
return this;
|
|
},
|
|
|
|
localizedProperties: {},
|
|
magicalProperties: {}
|
|
};
|
|
for (let name in properties(Class.prototype)) {
|
|
let desc = Object.getOwnPropertyDescriptor(Class.prototype, name);
|
|
desc.enumerable = false;
|
|
Object.defineProperty(Class.prototype, name, desc);
|
|
}
|
|
|
|
Class.makeClosure = function makeClosure() {
|
|
const self = this;
|
|
function closure(fn) {
|
|
function _closure() {
|
|
try {
|
|
return fn.apply(self, arguments);
|
|
}
|
|
catch (e if !(e instanceof FailedAssertion)) {
|
|
util.reportError(e);
|
|
throw e.stack ? e : Error(e);
|
|
}
|
|
}
|
|
_closure.wrapped = fn;
|
|
return _closure;
|
|
}
|
|
|
|
iter(properties(this), properties(this, true)).forEach(function (k) {
|
|
if (!__lookupGetter__.call(this, k) && callable(this[k]))
|
|
closure[k] = closure(this[k]);
|
|
else if (!(k in closure))
|
|
Object.defineProperty(closure, k, {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: function get_proxy() self[k],
|
|
set: function set_proxy(val) self[k] = val,
|
|
});
|
|
}, this);
|
|
|
|
return closure;
|
|
};
|
|
memoize(Class.prototype, "closure", Class.makeClosure);
|
|
|
|
/**
|
|
* A base class generator for classes which implement XPCOM interfaces.
|
|
*
|
|
* @param {nsIIID|[nsIJSIID]} interfaces The interfaces which the class
|
|
* implements.
|
|
* @param {Class} superClass A super class. @optional
|
|
* @returns {Class}
|
|
*/
|
|
function XPCOM(interfaces, superClass) {
|
|
interfaces = Array.concat(interfaces);
|
|
|
|
let shim = XPCOMShim(interfaces);
|
|
|
|
let res = Class("XPCOM(" + interfaces + ")", superClass || Class,
|
|
update(iter([k,
|
|
v === undefined || callable(v) ? stub : v]
|
|
for ([k, v] in Iterator(shim))).toObject(),
|
|
{ QueryInterface: XPCOMUtils.generateQI(interfaces) }));
|
|
|
|
return res;
|
|
}
|
|
function XPCOMShim(interfaces) {
|
|
let ip = services.InterfacePointer({
|
|
QueryInterface: function (iid) {
|
|
if (iid.equals(Ci.nsISecurityCheckedComponent))
|
|
throw Cr.NS_ERROR_NO_INTERFACE;
|
|
return this;
|
|
},
|
|
getHelperForLanguage: function () null,
|
|
getInterfaces: function (count) { count.value = 0; }
|
|
});
|
|
return (interfaces || []).reduce(function (shim, iface) shim.QueryInterface(Ci[iface]),
|
|
ip.data)
|
|
};
|
|
let stub = Class.Property({
|
|
configurable: true,
|
|
enumerable: false,
|
|
value: function stub() null,
|
|
writable: true
|
|
});
|
|
|
|
/**
|
|
* An abstract base class for classes that wish to inherit from Error.
|
|
*/
|
|
var ErrorBase = Class("ErrorBase", Error, {
|
|
level: 2,
|
|
init: function EB_init(message, level) {
|
|
level = level || 0;
|
|
let error = Error(message);
|
|
update(this, error)
|
|
this.stack = error.stack;
|
|
this.message = message;
|
|
|
|
let frame = Components.stack;
|
|
for (let i = 0; i < this.level + level; i++) {
|
|
frame = frame.caller;
|
|
this.stack = this.stack.replace(/^.*\n/, "");
|
|
}
|
|
this.fileName = frame.filename;
|
|
this.lineNumber = frame.lineNumber;
|
|
},
|
|
toString: function () String(this.message)
|
|
});
|
|
|
|
/**
|
|
* Constructs a new Module class and instantiates an instance into the current
|
|
* module global object.
|
|
*
|
|
* @param {string} name The name of the instance.
|
|
* @param {Object} prototype The instance prototype.
|
|
* @param {Object} classProperties Properties to be applied to the class constructor.
|
|
* @returns {Class}
|
|
*/
|
|
function Module(name, prototype) {
|
|
try {
|
|
let init = callable(prototype) ? 4 : 3;
|
|
let proto = arguments[callable(prototype) ? 2 : 1];
|
|
|
|
proto._metaInit_ = function () {
|
|
delete module.prototype._metaInit_;
|
|
currentModule[name.toLowerCase()] = this;
|
|
};
|
|
|
|
const module = Class.apply(Class, Array.slice(arguments, 0, init));
|
|
let instance = module();
|
|
module.className = name.toLowerCase();
|
|
|
|
instance.INIT = update(Object.create(Module.INIT),
|
|
arguments[init] || {});
|
|
|
|
currentModule[module.className] = instance;
|
|
defineModule.modules.push(instance);
|
|
return module;
|
|
}
|
|
catch (e) {
|
|
if (typeof e === "string")
|
|
e = Error(e);
|
|
|
|
dump(e.fileName + ":" + e.lineNumber + ": " + e + "\n" + (e.stack || Error().stack));
|
|
}
|
|
}
|
|
Module.INIT = {
|
|
init: function Module_INIT_init(dactyl, modules, window) {
|
|
let args = arguments;
|
|
|
|
let locals = [];
|
|
for (let local = this.Local; local; local = local.super)
|
|
locals.push(local);
|
|
|
|
if (locals.length) {
|
|
let module = this, objs = {};
|
|
for (let i in locals) {
|
|
module = objs[i] = Object.create(module);
|
|
module.modules = modules;
|
|
}
|
|
module.isLocalModule = true;
|
|
|
|
modules.jsmodules[this.constructor.className] = module;
|
|
locals.reverse().forEach(function (fn, i) update(objs[i], fn.apply(module, args)))
|
|
|
|
memoize(module, "closure", Class.makeClosure);
|
|
module.instance = module;
|
|
module.init();
|
|
|
|
if (module.signals)
|
|
modules.dactyl.registerObservers(module);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @class Struct
|
|
*
|
|
* Creates a new Struct constructor, used for creating objects with
|
|
* a fixed set of named members. Each argument should be the name of
|
|
* a member in the resulting objects. These names will correspond to
|
|
* the arguments passed to the resultant constructor. Instances of
|
|
* the new struct may be treated very much like arrays, and provide
|
|
* many of the same methods.
|
|
*
|
|
* const Point = Struct("x", "y", "z");
|
|
* let p1 = Point(x, y, z);
|
|
*
|
|
* @returns {function} The constructor for the new Struct.
|
|
*/
|
|
function Struct() {
|
|
if (!/^[A-Z]/.test(arguments[0]))
|
|
var args = Array.slice(arguments, 0);
|
|
else {
|
|
var className = arguments[0];
|
|
args = Array.slice(arguments, 1);
|
|
}
|
|
|
|
const Struct = Class(className || "Struct", StructBase, {
|
|
length: args.length,
|
|
members: array.toObject(args.map(function (v, k) [v, k]))
|
|
});
|
|
args.forEach(function (name, i) {
|
|
Struct.prototype.__defineGetter__(name, function () this[i]);
|
|
Struct.prototype.__defineSetter__(name, function (val) { this[i] = val; });
|
|
});
|
|
return Struct;
|
|
}
|
|
var StructBase = Class("StructBase", Array, {
|
|
init: function struct_init() {
|
|
for (let i = 0; i < arguments.length; i++)
|
|
if (arguments[i] != undefined)
|
|
this[i] = arguments[i];
|
|
},
|
|
|
|
clone: function struct_clone() this.constructor.apply(null, this.slice()),
|
|
|
|
closure: Class.Property(Object.getOwnPropertyDescriptor(Class.prototype, "closure")),
|
|
|
|
get: function struct_get(key, val) this[this.members[key]],
|
|
set: function struct_set(key, val) this[this.members[key]] = val,
|
|
|
|
toString: function struct_toString() Class.prototype.toString.apply(this, arguments),
|
|
|
|
// Iterator over our named members
|
|
__iterator__: function struct__iterator__() {
|
|
let self = this;
|
|
return ([k, self[k]] for (k in keys(self.members)))
|
|
}
|
|
}, {
|
|
fromArray: function fromArray(ary) {
|
|
if (!(ary instanceof this))
|
|
ary.__proto__ = this.prototype;
|
|
return ary;
|
|
},
|
|
|
|
/**
|
|
* Sets a lazily constructed default value for a member of
|
|
* the struct. The value is constructed once, the first time
|
|
* it is accessed and memoized thereafter.
|
|
*
|
|
* @param {string} key The name of the member for which to
|
|
* provide the default value.
|
|
* @param {function} val The function which is to generate
|
|
* the default value.
|
|
*/
|
|
defaultValue: function defaultValue(key, val) {
|
|
let i = this.prototype.members[key];
|
|
this.prototype.__defineGetter__(i, function () (this[i] = val.call(this)));
|
|
this.prototype.__defineSetter__(i, function (value)
|
|
Class.replaceProperty(this, i, value));
|
|
return this;
|
|
},
|
|
|
|
localize: function localize(key, defaultValue) {
|
|
let i = this.prototype.members[key];
|
|
Object.defineProperty(this.prototype, i, Messages.Localized(defaultValue).init(key, this.prototype));
|
|
return this;
|
|
}
|
|
});
|
|
|
|
var Timer = Class("Timer", {
|
|
init: function init(minInterval, maxInterval, callback, self) {
|
|
this._timer = services.Timer();
|
|
this.callback = callback;
|
|
this.self = self || this;
|
|
this.minInterval = minInterval;
|
|
this.maxInterval = maxInterval;
|
|
this.doneAt = 0;
|
|
this.latest = 0;
|
|
},
|
|
|
|
notify: function notify(timer, force) {
|
|
try {
|
|
if (!loaded || loaded.util && util.rehashing || typeof util === "undefined" || !force && this.doneAt == 0)
|
|
return;
|
|
|
|
this._timer.cancel();
|
|
this.latest = 0;
|
|
// minInterval is the time between the completion of the command and the next firing
|
|
this.doneAt = Date.now() + this.minInterval;
|
|
|
|
this.callback.call(this.self, this.arg);
|
|
}
|
|
catch (e) {
|
|
if (typeof util === "undefined")
|
|
dump(JSMLoader.name + ": " + e + "\n" + (e.stack || Error().stack));
|
|
else
|
|
util.reportError(e);
|
|
}
|
|
finally {
|
|
this.doneAt = Date.now() + this.minInterval;
|
|
}
|
|
},
|
|
|
|
tell: function tell(arg) {
|
|
if (arguments.length > 0)
|
|
this.arg = arg;
|
|
|
|
let now = Date.now();
|
|
if (this.doneAt == -1)
|
|
this._timer.cancel();
|
|
|
|
let timeout = this.minInterval;
|
|
if (now > this.doneAt && this.doneAt > -1)
|
|
timeout = 0;
|
|
else if (this.latest)
|
|
timeout = Math.min(timeout, this.latest - now);
|
|
else
|
|
this.latest = now + this.maxInterval;
|
|
|
|
this._timer.initWithCallback(this, Math.max(timeout, 0), this._timer.TYPE_ONE_SHOT);
|
|
this.doneAt = -1;
|
|
},
|
|
|
|
reset: function reset() {
|
|
this._timer.cancel();
|
|
this.doneAt = 0;
|
|
},
|
|
|
|
flush: function flush(force) {
|
|
if (this.doneAt == -1 || force)
|
|
this.notify(null, true);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Idempotent function which returns the UTF-8 encoded value of an
|
|
* improperly-decoded string.
|
|
*
|
|
* @param {string} str
|
|
* @returns {string}
|
|
*/
|
|
function UTF8(str) {
|
|
try {
|
|
return decodeURIComponent(escape(str));
|
|
}
|
|
catch (e) {
|
|
return str;
|
|
}
|
|
}
|
|
|
|
function octal(decimal) parseInt(decimal, 8);
|
|
|
|
/**
|
|
* Iterates over an arbitrary object. The following iterator types are
|
|
* supported, and work as a user would expect:
|
|
*
|
|
* • nsIDOMNodeIterator
|
|
* • mozIStorageStatement
|
|
*
|
|
* Additionally, the following array-like objects yield a tuple of the
|
|
* form [index, element] for each contained element:
|
|
*
|
|
* • nsIDOMHTMLCollection
|
|
* • nsIDOMNodeList
|
|
*
|
|
* and the following likewise yield one element of the form
|
|
* [name, element] for each contained element:
|
|
*
|
|
* • nsIDOMNamedNodeMap
|
|
*
|
|
* Duck typing is implemented for any other type. If the object
|
|
* contains the "enumerator" property, iter is called on that. If the
|
|
* property is a function, it is called first. If it contains the
|
|
* property "getNext" along with either "hasMoreItems" or "hasMore", it
|
|
* is iterated over appropriately.
|
|
*
|
|
* For all other cases, this function behaves exactly like the Iterator
|
|
* function.
|
|
*
|
|
* @param {object} obj
|
|
* @param {nsIJSIID} iface The interface to which to query all elements.
|
|
* @returns {Generator}
|
|
*/
|
|
function iter(obj, iface) {
|
|
if (arguments.length == 2 && iface instanceof Ci.nsIJSIID)
|
|
return iter(obj).map(function (item) item.QueryInterface(iface));
|
|
|
|
let args = arguments;
|
|
let res = Iterator(obj);
|
|
|
|
if (args.length > 1)
|
|
res = (function () {
|
|
for (let i = 0; i < args.length; i++)
|
|
for (let j in iter(args[i]))
|
|
yield j;
|
|
})();
|
|
else if (isinstance(obj, ["Iterator", "Generator"]))
|
|
;
|
|
else if (ctypes && ctypes.CData && obj instanceof ctypes.CData) {
|
|
while (obj.constructor instanceof ctypes.PointerType)
|
|
obj = obj.contents;
|
|
if (obj.constructor instanceof ctypes.ArrayType)
|
|
res = array.iterItems(obj);
|
|
else if (obj.constructor instanceof ctypes.StructType)
|
|
res = (function () {
|
|
for (let prop in values(obj.constructor.fields))
|
|
yield let ([name, type] = Iterator(prop).next()) [name, obj[name]];
|
|
})();
|
|
else
|
|
return iter({});
|
|
}
|
|
else if (isinstance(obj, [Ci.nsIDOMHTMLCollection, Ci.nsIDOMNodeList]))
|
|
res = array.iterItems(obj);
|
|
else if (obj instanceof Ci.nsIDOMNamedNodeMap)
|
|
res = (function () {
|
|
for (let i = 0; i < obj.length; i++)
|
|
yield [obj.name, obj];
|
|
})();
|
|
else if (obj instanceof Ci.mozIStorageStatement)
|
|
res = (function (obj) {
|
|
while (obj.executeStep())
|
|
yield obj.row;
|
|
obj.reset();
|
|
})(obj);
|
|
else if ("getNext" in obj) {
|
|
if ("hasMoreElements" in obj)
|
|
res = (function () {
|
|
while (obj.hasMoreElements())
|
|
yield obj.getNext();
|
|
})();
|
|
else if ("hasMore" in obj)
|
|
res = (function () {
|
|
while (obj.hasMore())
|
|
yield obj.getNext();
|
|
})();
|
|
}
|
|
else if ("enumerator" in obj) {
|
|
if (callable(obj.enumerator))
|
|
return iter(obj.enumerator());
|
|
return iter(obj.enumerator);
|
|
}
|
|
res.__noSuchMethod__ = function __noSuchMethod__(meth, args) {
|
|
if (meth in iter)
|
|
var res = iter[meth].apply(iter, [this].concat(args));
|
|
else
|
|
res = let (ary = array(this))
|
|
ary[meth] ? ary[meth].apply(ary, args) : ary.__noSuchMethod__(meth, args);
|
|
if (isinstance(res, ["Iterator", "Generator"]))
|
|
return iter(res);
|
|
return res;
|
|
};
|
|
return res;
|
|
}
|
|
update(iter, {
|
|
toArray: function toArray(iter) array(iter).array,
|
|
|
|
// See array.prototype for API docs.
|
|
toObject: function toObject(iter) {
|
|
let obj = {};
|
|
for (let [k, v] in iter)
|
|
if (v instanceof Class.Property)
|
|
Object.defineProperty(obj, k, v.init(k, obj) || v);
|
|
else
|
|
obj[k] = v;
|
|
return obj;
|
|
},
|
|
|
|
compact: function compact(iter) (item for (item in iter) if (item != null)),
|
|
|
|
every: function every(iter, pred, self) {
|
|
pred = pred || util.identity;
|
|
for (let elem in iter)
|
|
if (!pred.call(self, elem))
|
|
return false;
|
|
return true;
|
|
},
|
|
some: function every(iter, pred, self) {
|
|
pred = pred || util.identity;
|
|
for (let elem in iter)
|
|
if (pred.call(self, elem))
|
|
return true;
|
|
return false;
|
|
},
|
|
|
|
filter: function filter(iter, pred, self) {
|
|
for (let elem in iter)
|
|
if (pred.call(self, elem))
|
|
yield elem;
|
|
},
|
|
|
|
/**
|
|
* Iterates over an iterable object and calls a callback for each
|
|
* element.
|
|
*
|
|
* @param {object} iter The iterator.
|
|
* @param {function} fn The callback.
|
|
* @param {object} self The this object for *fn*.
|
|
*/
|
|
forEach: function forEach(iter, func, self) {
|
|
for (let val in iter)
|
|
func.call(self, val);
|
|
},
|
|
|
|
indexOf: function indexOf(iter, elem) {
|
|
let i = 0;
|
|
for (let item in iter) {
|
|
if (item == elem)
|
|
return i;
|
|
i++;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Returns the array that results from applying *func* to each property of
|
|
* *obj*.
|
|
*
|
|
* @param {Object} obj
|
|
* @param {function} func
|
|
* @returns {Array}
|
|
*/
|
|
map: function map(iter, func, self) {
|
|
for (let i in iter)
|
|
yield func.call(self, i);
|
|
},
|
|
|
|
/**
|
|
* Returns the nth member of the given array that matches the
|
|
* given predicate.
|
|
*/
|
|
nth: function nth(iter, pred, n, self) {
|
|
if (typeof pred === "number")
|
|
[pred, n] = [function () true, pred]; // Hack.
|
|
|
|
for (let elem in iter)
|
|
if (pred.call(self, elem) && n-- === 0)
|
|
return elem;
|
|
return undefined;
|
|
},
|
|
|
|
sort: function sort(iter, fn, self)
|
|
array(this.toArray(iter).sort(fn, self)),
|
|
|
|
uniq: function uniq(iter) {
|
|
let seen = {};
|
|
for (let item in iter)
|
|
if (!Set.add(seen, item))
|
|
yield item;
|
|
},
|
|
|
|
/**
|
|
* Zips the contents of two arrays. The resulting array is the length of
|
|
* ary1, with any shortcomings of ary2 replaced with null strings.
|
|
*
|
|
* @param {Array} ary1
|
|
* @param {Array} ary2
|
|
* @returns {Array}
|
|
*/
|
|
zip: function zip(iter1, iter2) {
|
|
try {
|
|
yield [iter1.next(), iter2.next()];
|
|
}
|
|
catch (e if e instanceof StopIteration) {}
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Array utility methods.
|
|
*/
|
|
var array = Class("array", Array, {
|
|
init: function (ary) {
|
|
if (isinstance(ary, ["Iterator", "Generator"]) || "__iterator__" in ary)
|
|
ary = [k for (k in ary)];
|
|
else if (ary.length)
|
|
ary = Array.slice(ary);
|
|
|
|
return {
|
|
__proto__: ary,
|
|
__iterator__: function () this.iterItems(),
|
|
__noSuchMethod__: function (meth, args) {
|
|
var res = array[meth].apply(null, [this.array].concat(args));
|
|
if (isArray(res))
|
|
return array(res);
|
|
if (isinstance(res, ["Iterator", "Generator"]))
|
|
return iter(res);
|
|
return res;
|
|
},
|
|
array: ary,
|
|
toString: function () this.array.toString(),
|
|
concat: function () this.__noSuchMethod__("concat", Array.slice(arguments)),
|
|
filter: function () this.__noSuchMethod__("filter", Array.slice(arguments)),
|
|
map: function () this.__noSuchMethod__("map", Array.slice(arguments))
|
|
};
|
|
}
|
|
}, {
|
|
/**
|
|
* Converts an array to an object. As in lisp, an assoc is an
|
|
* array of key-value pairs, which maps directly to an object,
|
|
* as such:
|
|
* [["a", "b"], ["c", "d"]] -> { a: "b", c: "d" }
|
|
*
|
|
* @param {[Array]} assoc
|
|
* @... {string} 0 - Key
|
|
* @... 1 - Value
|
|
*/
|
|
toObject: function toObject(assoc) {
|
|
let obj = {};
|
|
assoc.forEach(function ([k, v]) {
|
|
if (v instanceof Class.Property)
|
|
Object.defineProperty(obj, k, v.init(k, obj) || v);
|
|
else
|
|
obj[k] = v;
|
|
});
|
|
return obj;
|
|
},
|
|
|
|
/**
|
|
* Compacts an array, removing all elements that are null or undefined:
|
|
* ["foo", null, "bar", undefined] -> ["foo", "bar"]
|
|
*
|
|
* @param {Array} ary
|
|
* @returns {Array}
|
|
*/
|
|
compact: function compact(ary) ary.filter(function (item) item != null),
|
|
|
|
/**
|
|
* Returns true if each element of ary1 is equal to the
|
|
* corresponding element in ary2.
|
|
*
|
|
* @param {Array} ary1
|
|
* @param {Array} ary2
|
|
* @returns {boolean}
|
|
*/
|
|
equals: function (ary1, ary2)
|
|
ary1.length === ary2.length && Array.every(ary1, function (e, i) e === ary2[i]),
|
|
|
|
/**
|
|
* Flattens an array, such that all elements of the array are
|
|
* joined into a single array:
|
|
* [["foo", ["bar"]], ["baz"], "quux"] -> ["foo", ["bar"], "baz", "quux"]
|
|
*
|
|
* @param {Array} ary
|
|
* @returns {Array}
|
|
*/
|
|
flatten: function flatten(ary) ary.length ? Array.prototype.concat.apply([], ary) : [],
|
|
|
|
/**
|
|
* Returns an Iterator for an array's values.
|
|
*
|
|
* @param {Array} ary
|
|
* @returns {Iterator(Object)}
|
|
*/
|
|
iterValues: function iterValues(ary) {
|
|
for (let i = 0; i < ary.length; i++)
|
|
yield ary[i];
|
|
},
|
|
|
|
/**
|
|
* Returns an Iterator for an array's indices and values.
|
|
*
|
|
* @param {Array} ary
|
|
* @returns {Iterator([{number}, {Object}])}
|
|
*/
|
|
iterItems: function iterItems(ary) {
|
|
let length = ary.length;
|
|
for (let i = 0; i < length; i++)
|
|
yield [i, ary[i]];
|
|
},
|
|
|
|
/**
|
|
* Returns the nth member of the given array that matches the
|
|
* given predicate.
|
|
*/
|
|
nth: function nth(ary, pred, n, self) {
|
|
for (let elem in values(ary))
|
|
if (pred.call(self, elem) && n-- === 0)
|
|
return elem;
|
|
return undefined;
|
|
},
|
|
|
|
/**
|
|
* Filters out all duplicates from an array. If *unsorted* is false, the
|
|
* array is sorted before duplicates are removed.
|
|
*
|
|
* @param {Array} ary
|
|
* @param {boolean} unsorted
|
|
* @returns {Array}
|
|
*/
|
|
uniq: function uniq(ary, unsorted) {
|
|
let res = [];
|
|
if (unsorted) {
|
|
for (let item in values(ary))
|
|
if (res.indexOf(item) == -1)
|
|
res.push(item);
|
|
}
|
|
else {
|
|
for (let [, item] in Iterator(ary.sort())) {
|
|
if (item != last || !res.length)
|
|
res.push(item);
|
|
var last = item;
|
|
}
|
|
}
|
|
return res;
|
|
},
|
|
|
|
/**
|
|
* Zips the contents of two arrays. The resulting array is the length of
|
|
* ary1, with any shortcomings of ary2 replaced with null strings.
|
|
*
|
|
* @param {Array} ary1
|
|
* @param {Array} ary2
|
|
* @returns {Array}
|
|
*/
|
|
zip: function zip(ary1, ary2) {
|
|
let res = [];
|
|
for (let [i, item] in Iterator(ary1))
|
|
res.push([item, i in ary2 ? ary2[i] : ""]);
|
|
return res;
|
|
}
|
|
});
|
|
|
|
endModule();
|
|
|
|
// catch(e){dump(e.fileName+":"+e.lineNumber+": "+e+"\n" + e.stack);}
|
|
|
|
// vim: set fdm=marker sw=4 ts=4 et ft=javascript:
|