mirror of
https://github.com/gryf/pentadactyl-pm.git
synced 2025-12-20 15:07:57 +01:00
1768 lines
63 KiB
JavaScript
1768 lines
63 KiB
JavaScript
// Copyright (c) 2006-2008 by Martin Stubenschrott <stubenschrott@vimperator.org>
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// Copyright (c) 2007-2011 by Doug Kearns <dougkearns@gmail.com>
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// Copyright (c) 2008-2011 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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try {
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Components.utils.import("resource://dactyl/bootstrap.jsm");
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let frag=1;
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defineModule("util", {
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exports: ["frag", "FailedAssertion", "Math", "NS", "Point", "Util", "XBL", "XHTML", "XUL", "util"],
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require: ["services"],
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use: ["commands", "config", "highlight", "storage", "template"]
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}, this);
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var XBL = Namespace("xbl", "http://www.mozilla.org/xbl");
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var XHTML = Namespace("html", "http://www.w3.org/1999/xhtml");
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var XUL = Namespace("xul", "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
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var NS = Namespace("dactyl", "http://vimperator.org/namespaces/liberator");
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default xml namespace = XHTML;
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var FailedAssertion = Class("FailedAssertion", ErrorBase, {
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init: function init(message, level, noTrace) {
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if (noTrace !== undefined)
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this.noTrace = noTrace;
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init.supercall(this, message, level);
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},
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level: 3,
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noTrace: true
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});
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var Point = Struct("x", "y");
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var wrapCallback = function wrapCallback(fn) {
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fn.wrapper = function wrappedCallback () {
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try {
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return fn.apply(this, arguments);
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}
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catch (e) {
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util.reportError(e);
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return undefined;
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}
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};
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fn.wrapper.wrapped = fn;
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return fn.wrapper;
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}
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var getAttr = function getAttr(elem, ns, name)
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elem.hasAttributeNS(ns, name) ? elem.getAttributeNS(ns, name) : null;
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var setAttr = function setAttr(elem, ns, name, val) {
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if (val == null)
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elem.removeAttributeNS(ns, name);
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else
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elem.setAttributeNS(ns, name, val);
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}
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var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]), {
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init: function () {
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this.Array = array;
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this.addObserver(this);
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this.overlays = {};
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},
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cleanup: function cleanup() {
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for (let { document: doc } in iter(services.windowMediator.getEnumerator(null))) {
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for (let elem in values(doc.dactylOverlayElements || []))
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if (elem.parentNode)
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elem.parentNode.removeChild(elem);
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for (let [elem, ns, name, orig, value] in values(doc.dactylOverlayAttributes || []))
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if (getAttr(elem, ns, name) === value)
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setAttr(elem, ns, name, orig);
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delete doc.dactylOverlayElements;
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delete doc.dactylOverlayAttributes;
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delete doc.dactylOverlays;
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}
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},
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// FIXME: Only works for Pentadactyl
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get activeWindow() services.windowMediator.getMostRecentWindow("navigator:browser"),
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dactyl: update(function dactyl(obj) {
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if (obj)
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var global = Class.objectGlobal(obj);
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return {
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__noSuchMethod__: function (meth, args) {
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let win = util.activeWindow;
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var dactyl = global && global.dactyl || win && win.dactyl;
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if (!dactyl)
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return null;
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let prop = dactyl[meth];
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if (callable(prop))
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return prop.apply(dactyl, args);
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return prop;
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}
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};
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}, {
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__noSuchMethod__: function () this().__noSuchMethod__.apply(null, arguments)
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}),
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/**
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* Registers a obj as a new observer with the observer service. obj.observe
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* must be an object where each key is the name of a target to observe and
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* each value is a function(subject, data) to be called when the given
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* target is broadcast. obj.observe will be replaced with a new opaque
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* function. The observer is automatically unregistered on application
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* shutdown.
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*
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* @param {object} obj
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*/
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addObserver: function (obj) {
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if (!obj.observers)
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obj.observers = obj.observe;
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function register(meth) {
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for (let target in set(["dactyl-cleanup-modules", "quit-application"].concat(Object.keys(obj.observers))))
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try {
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services.observer[meth](obj, target, true);
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}
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catch (e) {}
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}
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Class.replaceProperty(obj, "observe",
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function (subject, target, data) {
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try {
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if (target == "quit-application" || target == "dactyl-cleanup-modules")
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register("removeObserver");
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if (obj.observers[target])
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obj.observers[target].call(obj, subject, data);
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}
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catch (e) {
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if (typeof util === "undefined")
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dump("dactyl: error: " + e + "\n" + (e.stack || Error().stack).replace(/^/gm, "dactyl: "));
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else
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util.reportError(e);
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}
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});
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obj.observe.unregister = function () register("removeObserver");
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register("addObserver");
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},
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/*
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* Tests a condition and throws a FailedAssertion error on
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* failure.
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*
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* @param {boolean} condition The condition to test.
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* @param {string} message The message to present to the
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* user on failure.
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*/
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assert: function (condition, message, quiet) {
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if (!condition)
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throw FailedAssertion(message, 1, quiet === undefined ? true : quiet);
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},
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/**
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* Capitalizes the first character of the given string.
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* @param {string} str The string to capitalize
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* @returns {string}
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*/
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capitalize: function capitalize(str) str && str[0].toUpperCase() + str.slice(1),
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/**
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* Returns a RegExp object that matches characters specified in the range
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* expression *list*, or signals an appropriate error if *list* is invalid.
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*
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* @param {string} list Character list, e.g., "a b d-xA-Z" produces /[abd-xA-Z]/.
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* @param {string} accepted Character range(s) to accept, e.g. "a-zA-Z" for
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* ASCII letters. Used to validate *list*.
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* @returns {RegExp}
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*/
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charListToRegexp: function charListToRegexp(list, accepted) {
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let list = list.replace(/\s+/g, "");
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// check for chars not in the accepted range
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this.assert(RegExp("^[" + accepted + "-]+$").test(list),
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"Character list outside the range " + accepted.quote());
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// check for illegal ranges
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let matches = list.match(RegExp("[" + accepted + "]-[" + accepted + "]", "g"));
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if (matches) {
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for (let match in values(matches))
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this.assert(match[0] <= match[2],
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"Invalid character range: " + list.match(match + ".*")[0]);
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}
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return RegExp("[" + list + "]");
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},
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get chromePackages() {
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// Horrible hack.
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let res = {};
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function process(manifest) {
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for each (let line in manifest.split(/\n+/)) {
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let match = /^\s*(content|skin|locale|resource)\s+([^\s#]+)\s/.exec(line);
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if (match)
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res[match[2]] = true;
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}
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}
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function processJar(file) {
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let jar = services.ZipReader(file);
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if (jar) {
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if (jar.hasEntry("chrome.manifest"))
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process(File.readStream(jar.getInputStream("chrome.manifest")));
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jar.close();
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}
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}
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for each (let dir in ["UChrm", "AChrom"]) {
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dir = File(services.directory.get(dir, Ci.nsIFile));
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if (dir.exists() && dir.isDirectory())
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for (let file in dir.iterDirectory())
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if (/\.manifest$/.test(file.leafName))
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process(file.read());
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dir = File(dir.parent);
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if (dir.exists() && dir.isDirectory())
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for (let file in dir.iterDirectory())
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if (/\.jar$/.test(file.leafName))
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processJar(file);
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dir = dir.child("extensions");
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if (dir.exists() && dir.isDirectory())
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for (let ext in dir.iterDirectory()) {
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if (/\.xpi$/.test(ext.leafName))
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processJar(ext);
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else {
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if (ext.isFile())
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ext = File(ext.read().replace(/\n*$/, ""));
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let mf = ext.child("chrome.manifest");
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if (mf.exists())
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process(mf.read());
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}
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}
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}
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return Object.keys(res).sort();
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},
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/**
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* Returns a shallow copy of *obj*.
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*
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* @param {Object} obj
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* @returns {Object}
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*/
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cloneObject: function cloneObject(obj) {
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if (isArray(obj))
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return obj.slice();
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let newObj = {};
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for (let [k, v] in Iterator(obj))
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newObj[k] = v;
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return newObj;
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},
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/**
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* Clips a string to a given length. If the input string is longer
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* than *length*, an ellipsis is appended.
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*
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* @param {string} str The string to truncate.
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* @param {number} length The length of the returned string.
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* @returns {string}
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*/
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clip: function clip(str, length) {
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return str.length <= length ? str : str.substr(0, length - 3) + "...";
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},
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/**
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* Compares two strings, case insensitively. Return values are as
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* in String#localeCompare.
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*
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* @param {string} a
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* @param {string} b
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* @returns {number}
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*/
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compareIgnoreCase: function compareIgnoreCase(a, b) String.localeCompare(a.toLowerCase(), b.toLowerCase()),
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compileFormat: function compileFormat(format) {
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let stack = [frame()];
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stack.__defineGetter__("top", function () this[this.length - 1]);
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function frame() update(
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function _frame(obj)
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_frame === stack.top || _frame.valid(obj) ?
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_frame.elements.map(function (e) callable(e) ? e(obj) : e).join("") : "",
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{
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elements: [],
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seen: {},
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valid: function (obj) this.elements.every(function (e) !e.test || e.test(obj))
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});
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let end = 0;
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for (let match in util.regexp.iterate(/(.*?)%(.)/gy, format)) {
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let [, prefix, char] = match;
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end += match[0].length;
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if (prefix)
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stack.top.elements.push(prefix);
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if (char === "%")
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stack.top.elements.push("%");
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else if (char === "[") {
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let f = frame();
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stack.top.elements.push(f);
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stack.push(f);
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}
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else if (char === "]") {
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stack.pop();
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util.assert(stack.length, "Unmatched %] in format");
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}
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else {
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let quote = function quote(obj, char) obj[char];
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if (char !== char.toLowerCase())
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quote = function quote(obj, char) Commands.quote(obj[char]);
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char = char.toLowerCase();
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stack.top.elements.push(update(
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function (obj) obj[char] != null ? quote(obj, char) : "",
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{ test: function (obj) obj[char] != null }));
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for (let elem in array.iterValues(stack))
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elem.seen[char] = true;
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}
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}
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if (end < format.length)
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stack.top.elements.push(format.substr(end));
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util.assert(stack.length === 1, "Unmatched %[ in format");
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return stack.top;
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},
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compileMacro: function compileMacro(macro, keepUnknown) {
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let stack = [frame()];
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stack.__defineGetter__("top", function () this[this.length - 1]);
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let unknown = util.identity;
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if (!keepUnknown)
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unknown = function () "";
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function frame() update(
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function _frame(obj)
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_frame === stack.top || _frame.valid(obj) ?
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_frame.elements.map(function (e) callable(e) ? e(obj) : e).join("") : "",
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{
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elements: [],
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seen: {},
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valid: function (obj) this.elements.every(function (e) !e.test || e.test(obj))
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});
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let defaults = { lt: "<", gt: ">" };
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let re = util.regexp(<![CDATA[
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([^]*?) // 1
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(?:
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(<\{) | // 2
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(< ((?:[a-z]-)?[a-z-]+?) >) | // 3 4
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(\}>) // 5
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)
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]]>, "gixy");
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macro = String(macro);
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let end = 0;
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for (let match in re.iterate(macro)) {
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let [, prefix, open, full, macro, close] = match;
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end += match[0].length;
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if (prefix)
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stack.top.elements.push(prefix);
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if (open) {
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let f = frame();
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stack.top.elements.push(f);
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stack.push(f);
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}
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else if (close) {
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stack.pop();
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util.assert(stack.length, "Unmatched %] in macro");
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}
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else {
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let [, flags, name] = /^((?:[a-z]-)*)(.*)/.exec(macro);
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flags = set(flags);
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let quote = util.identity;
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if (flags.q)
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quote = function quote(obj) typeof obj === "number" ? obj : String.quote(obj);
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if (flags.e)
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quote = function quote(obj) "";
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if (set.has(defaults, name))
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stack.top.elements.push(quote(defaults[name]));
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else {
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stack.top.elements.push(update(
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function (obj) obj[name] != null ? quote(obj[name]) : set.has(obj, name) ? "" : unknown(full),
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{ test: function (obj) obj[name] != null && obj[name] !== false && (!flags.e || obj[name] != "") }));
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for (let elem in array.iterValues(stack))
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elem.seen[name] = true;
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}
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}
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}
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if (end < macro.length)
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stack.top.elements.push(macro.substr(end));
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util.assert(stack.length === 1, "Unmatched <{ in macro");
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return stack.top;
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},
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/**
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* Returns an object representing a Node's computed CSS style.
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*
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* @param {Node} node
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* @returns {Object}
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*/
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computedStyle: function computedStyle(node) {
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while (!(node instanceof Ci.nsIDOMElement) && node.parentNode)
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node = node.parentNode;
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try {
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var res = node.ownerDocument.defaultView.getComputedStyle(node, null);
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}
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catch (e) {}
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if (res == null) {
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util.dumpStack("Computed style is null: " + node);
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Cu.reportError(Error("Computed style is null: " + node));
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return {};
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}
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return res;
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},
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/**
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* Converts any arbitrary string into an URI object. Returns null on
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* failure.
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*
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* @param {string} str
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* @returns {nsIURI|null}
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*/
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createURI: function createURI(str) {
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try {
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return services.urifixup.createFixupURI(str, services.urifixup.FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP);
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}
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catch (e) {
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return null;
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}
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},
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/**
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|
* Expands brace globbing patterns in a string.
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|
*
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|
* Example:
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* "a{b,c}d" => ["abd", "acd"]
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*
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* @param {string} pattern The pattern to deglob.
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* @returns [string] The resulting strings.
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*/
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debrace: function debrace(pattern) {
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if (pattern.indexOf("{") == -1)
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return [pattern];
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function split(pattern, re, fn, dequote) {
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let end = 0, match, res = [];
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while (match = re.exec(pattern)) {
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end = match.index + match[0].length;
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res.push(match[1]);
|
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if (fn)
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fn(match);
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}
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res.push(pattern.substr(end));
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return res.map(function (s) util.dequote(s, dequote));
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}
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|
let patterns = [], res = [];
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let substrings = split(pattern, /((?:[^\\{]|\\.)*)\{((?:[^\\}]|\\.)*)\}/gy,
|
|
function (match) {
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patterns.push(split(match[2], /((?:[^\\,]|\\.)*),/gy,
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|
null, ",{}"));
|
|
}, "{}");
|
|
function rec(acc) {
|
|
if (acc.length == patterns.length)
|
|
res.push(array(substrings).zip(acc).flatten().join(""));
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else
|
|
for (let [, pattern] in Iterator(patterns[acc.length]))
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rec(acc.concat(pattern));
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|
}
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|
rec([]);
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|
return res;
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|
},
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|
|
|
/**
|
|
* Removes certain backslash-quoted characters while leaving other
|
|
* backslash-quoting sequences untouched.
|
|
*
|
|
* @param {string} pattern The string to unquote.
|
|
* @param {string} chars The characters to unquote.
|
|
* @returns {string}
|
|
*/
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|
dequote: function dequote(pattern, chars)
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|
pattern.replace(/\\(.)/, function (m0, m1) chars.indexOf(m1) >= 0 ? m1 : m0),
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|
|
domToString: function (node, html) {
|
|
if (node instanceof Ci.nsISelection && node.isCollapsed)
|
|
return "";
|
|
|
|
if (node instanceof Ci.nsIDOMNode) {
|
|
let range = node.ownerDocument.createRange();
|
|
range.selectNode(node);
|
|
node = range;
|
|
}
|
|
let doc = (node.getRangeAt ? node.getRangeAt(0) : node).startContainer.ownerDocument;
|
|
|
|
let encoder = services.HtmlEncoder();
|
|
encoder.init(doc, "text/unicode", encoder.OutputRaw|encoder.OutputPreformatted);
|
|
if (node instanceof Ci.nsISelection)
|
|
encoder.setSelection(node);
|
|
else if (node instanceof Ci.nsIDOMRange)
|
|
encoder.setRange(node);
|
|
|
|
let str = services.String(encoder.encodeToString());
|
|
if (html)
|
|
return str.data;
|
|
|
|
let [result, length] = [{}, {}];
|
|
services.HtmlConverter().convert("text/html", str, str.data.length*2, "text/unicode", result, length);
|
|
return result.value.QueryInterface(Ci.nsISupportsString).data;
|
|
},
|
|
|
|
/**
|
|
* Prints a message to the console. If *msg* is an object it is pretty
|
|
* printed.
|
|
*
|
|
* @param {string|Object} msg The message to print.
|
|
*/
|
|
dump: defineModule.dump,
|
|
|
|
stackLines: function (stack) {
|
|
let lines = [];
|
|
let match, re = /([^]*?)@([^@\n]*)(?:\n|$)/g;
|
|
while (match = re.exec(stack))
|
|
lines.push(match[1].replace(/\n/g, "\\n").substr(0, 80) + "@" +
|
|
util.fixURI(match[2]));
|
|
return lines;
|
|
},
|
|
|
|
/**
|
|
* Dumps a stack trace to the console.
|
|
*
|
|
* @param {string} msg The trace message.
|
|
* @param {number} frames The number of frames to print.
|
|
*/
|
|
dumpStack: function dumpStack(msg, frames) {
|
|
let stack = util.stackLines(Error().stack);
|
|
stack = stack.slice(1, 1 + (frames || stack.length)).join("\n").replace(/^/gm, " ");
|
|
util.dump((arguments.length == 0 ? "Stack" : msg) + "\n" + stack + "\n");
|
|
},
|
|
|
|
/**
|
|
* The set of input element type attribute values that mark the element as
|
|
* an editable field.
|
|
*/
|
|
editableInputs: set(["date", "datetime", "datetime-local", "email", "file",
|
|
"month", "number", "password", "range", "search",
|
|
"tel", "text", "time", "url", "week"]),
|
|
|
|
/**
|
|
* Converts HTML special characters in *str* to the equivalent HTML
|
|
* entities.
|
|
*
|
|
* @param {string} str
|
|
* @returns {string}
|
|
*/
|
|
escapeHTML: function escapeHTML(str) {
|
|
return str.replace(/&/g, "&").replace(/</g, "<");
|
|
},
|
|
|
|
/**
|
|
* Escapes quotes, newline and tab characters in *str*. The returned string
|
|
* is delimited by *delimiter* or " if *delimiter* is not specified.
|
|
* {@see String#quote}.
|
|
*
|
|
* @param {string} str
|
|
* @param {string} delimiter
|
|
* @returns {string}
|
|
*/
|
|
escapeString: function escapeString(str, delimiter) {
|
|
if (delimiter == undefined)
|
|
delimiter = '"';
|
|
return delimiter + str.replace(/([\\'"])/g, "\\$1").replace("\n", "\\n", "g").replace("\t", "\\t", "g") + delimiter;
|
|
},
|
|
|
|
/**
|
|
* Evaluates an XPath expression in the current or provided
|
|
* document. It provides the xhtml, xhtml2 and dactyl XML
|
|
* namespaces. The result may be used as an iterator.
|
|
*
|
|
* @param {string} expression The XPath expression to evaluate.
|
|
* @param {Node} elem The context element.
|
|
* @default The current document.
|
|
* @param {boolean} asIterator Whether to return the results as an
|
|
* XPath iterator.
|
|
* @returns {Object} Iterable result of the evaluation.
|
|
*/
|
|
evaluateXPath: update(
|
|
function evaluateXPath(expression, elem, asIterator) {
|
|
try {
|
|
if (!elem)
|
|
elem = util.activeWindow.content.document;
|
|
let doc = elem.ownerDocument || elem;
|
|
if (isArray(expression))
|
|
expression = util.makeXPath(expression);
|
|
|
|
let result = doc.evaluate(expression, elem,
|
|
evaluateXPath.resolver,
|
|
asIterator ? Ci.nsIDOMXPathResult.ORDERED_NODE_ITERATOR_TYPE : Ci.nsIDOMXPathResult.ORDERED_NODE_SNAPSHOT_TYPE,
|
|
null
|
|
);
|
|
|
|
return Object.create(result, {
|
|
__iterator__: {
|
|
value: asIterator ? function () { let elem; while ((elem = this.iterateNext())) yield elem; }
|
|
: function () { for (let i = 0; i < this.snapshotLength; i++) yield this.snapshotItem(i); }
|
|
}
|
|
});
|
|
}
|
|
catch (e) {
|
|
throw e.stack ? e : Error(e);
|
|
}
|
|
},
|
|
{
|
|
resolver: function lookupNamespaceURI(prefix) ({
|
|
xul: XUL.uri,
|
|
xhtml: XHTML.uri,
|
|
xhtml2: "http://www.w3.org/2002/06/xhtml2",
|
|
dactyl: NS.uri
|
|
}[prefix] || null)
|
|
}),
|
|
|
|
extend: function extend(dest) {
|
|
Array.slice(arguments, 1).filter(util.identity).forEach(function (src) {
|
|
for (let [k, v] in Iterator(src)) {
|
|
let get = src.__lookupGetter__(k),
|
|
set = src.__lookupSetter__(k);
|
|
if (!get && !set)
|
|
dest[k] = v;
|
|
if (get)
|
|
dest.__defineGetter__(k, get);
|
|
if (set)
|
|
dest.__defineSetter__(k, set);
|
|
}
|
|
});
|
|
return dest;
|
|
},
|
|
|
|
/**
|
|
* Converts *bytes* to a pretty printed data size string.
|
|
*
|
|
* @param {number} bytes The number of bytes.
|
|
* @param {string} decimalPlaces The number of decimal places to use if
|
|
* *humanReadable* is true.
|
|
* @param {boolean} humanReadable Use byte multiples.
|
|
* @returns {string}
|
|
*/
|
|
formatBytes: function formatBytes(bytes, decimalPlaces, humanReadable) {
|
|
const unitVal = ["Bytes", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"];
|
|
let unitIndex = 0;
|
|
let tmpNum = parseInt(bytes, 10) || 0;
|
|
let strNum = [tmpNum + ""];
|
|
|
|
if (humanReadable) {
|
|
while (tmpNum >= 1024) {
|
|
tmpNum /= 1024;
|
|
if (++unitIndex > (unitVal.length - 1))
|
|
break;
|
|
}
|
|
|
|
let decPower = Math.pow(10, decimalPlaces);
|
|
strNum = ((Math.round(tmpNum * decPower) / decPower) + "").split(".", 2);
|
|
|
|
if (!strNum[1])
|
|
strNum[1] = "";
|
|
|
|
while (strNum[1].length < decimalPlaces) // pad with "0" to the desired decimalPlaces)
|
|
strNum[1] += "0";
|
|
}
|
|
|
|
for (let u = strNum[0].length - 3; u > 0; u -= 3) // make a 10000 a 10,000
|
|
strNum[0] = strNum[0].substr(0, u) + "," + strNum[0].substr(u);
|
|
|
|
if (unitIndex) // decimalPlaces only when > Bytes
|
|
strNum[0] += "." + strNum[1];
|
|
|
|
return strNum[0] + " " + unitVal[unitIndex];
|
|
},
|
|
|
|
/**
|
|
* Converts *seconds* into a human readable time string.
|
|
*
|
|
* @param {number} seconds
|
|
* @returns {string}
|
|
*/
|
|
formatSeconds: function formatSeconds(seconds) {
|
|
function pad(n, val) ("0000000" + val).substr(-Math.max(n, String(val).length));
|
|
function div(num, denom) [Math.round(num / denom), Math.round(num % denom)];
|
|
let days, hours, minutes;
|
|
|
|
[minutes, seconds] = div(seconds, 60);
|
|
[hours, minutes] = div(minutes, 60);
|
|
[days, hours] = div(hours, 24);
|
|
if (days)
|
|
return days + " days " + hours + " hours"
|
|
if (hours)
|
|
return hours + "h " + minutes + "m";
|
|
if (minutes)
|
|
return minutes + ":" + pad(2, seconds);
|
|
return seconds + "s";
|
|
},
|
|
|
|
/**
|
|
* Returns the file which backs a given URL, if available.
|
|
*
|
|
* @param {nsIURI} uri The URI for which to find a file.
|
|
* @returns {File|null}
|
|
*/
|
|
getFile: function getFile(uri) {
|
|
try {
|
|
if (isString(uri))
|
|
uri = util.newURI(util.fixURI(uri));
|
|
|
|
if (uri instanceof Ci.nsIFileURL)
|
|
return File(uri.QueryInterface(Ci.nsIFileURL).file);
|
|
|
|
let channel = services.io.newChannelFromURI(uri);
|
|
channel.cancel(Cr.NS_BINDING_ABORTED);
|
|
if (channel instanceof Ci.nsIFileChannel)
|
|
return File(channel.QueryInterface(Ci.nsIFileChannel).file);
|
|
}
|
|
catch (e) {}
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Returns the host for the given URL, or null if invalid.
|
|
*
|
|
* @param {string} url
|
|
* @returns {string|null}
|
|
*/
|
|
getHost: function (url) {
|
|
try {
|
|
return util.createURI(url).host;
|
|
}
|
|
catch (e) {}
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Returns true if the current Gecko runtime is of the given version
|
|
* or greater.
|
|
*
|
|
* @param {string} ver The required version.
|
|
* @returns {boolean}
|
|
*/
|
|
haveGecko: function (ver) services.versionCompare.compare(services.runtime.platformVersion, ver) >= 0,
|
|
|
|
/**
|
|
* Sends a synchronous or asynchronous HTTP request to *url* and returns
|
|
* the XMLHttpRequest object. If *callback* is specified the request is
|
|
* asynchronous and the *callback* is invoked with the object as its
|
|
* argument.
|
|
*
|
|
* @param {string} url
|
|
* @param {function(XMLHttpRequest)} callback
|
|
* @returns {XMLHttpRequest}
|
|
*/
|
|
httpGet: function httpGet(url, callback, self) {
|
|
let params = callback;
|
|
if (!isObject(params))
|
|
params = { callback: params && function () callback.apply(self, arguments) };
|
|
|
|
try {
|
|
let xmlhttp = services.Xmlhttp();
|
|
xmlhttp.mozBackgroundRequest = true;
|
|
|
|
let async = params.callback || params.onload || params.onerror;
|
|
if (async) {
|
|
xmlhttp.onload = function handler(event) { util.trapErrors(params.onload || params.callback, params, xmlhttp, event) };
|
|
xmlhttp.onerror = function handler(event) { util.trapErrors(params.onerror || params.callback, params, xmlhttp, event) };
|
|
}
|
|
if (params.mimeType)
|
|
xmlhttp.overrideMimeType(params.mimeType);
|
|
|
|
xmlhttp.open(params.method || "GET", url, async,
|
|
params.user, params.pass);
|
|
|
|
xmlhttp.send(null);
|
|
return xmlhttp;
|
|
}
|
|
catch (e) {
|
|
util.dactyl.log("Error opening " + String.quote(url) + ": " + e, 1);
|
|
return null;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* The identity function.
|
|
*
|
|
* @param {Object} k
|
|
* @returns {Object}
|
|
*/
|
|
identity: function identity(k) k,
|
|
|
|
/**
|
|
* Returns the intersection of two rectangles.
|
|
*
|
|
* @param {Object} r1
|
|
* @param {Object} r2
|
|
* @returns {Object}
|
|
*/
|
|
intersection: function (r1, r2) ({
|
|
get width() this.right - this.left,
|
|
get height() this.bottom - this.top,
|
|
left: Math.max(r1.left, r2.left),
|
|
right: Math.min(r1.right, r2.right),
|
|
top: Math.max(r1.top, r2.top),
|
|
bottom: Math.min(r1.bottom, r2.bottom)
|
|
}),
|
|
|
|
/**
|
|
* Returns true if *url* is in the domain *domain*.
|
|
*
|
|
* @param {string} url
|
|
* @param {string} domain
|
|
* @returns {boolean}
|
|
*/
|
|
isDomainURL: function isDomainURL(url, domain) util.isSubdomain(util.getHost(url), domain),
|
|
|
|
/** Dactyl's notion of the current operating system platform. */
|
|
OS: memoize({
|
|
_arch: services.runtime.OS,
|
|
/**
|
|
* @property {string} The normalised name of the OS. This is one of
|
|
* "Windows", "Mac OS X" or "Unix".
|
|
*/
|
|
get name() this.isWindows ? "Windows" : this.isMacOSX ? "Mac OS X" : "Unix",
|
|
/** @property {boolean} True if the OS is Windows. */
|
|
get isWindows() this._arch == "WINNT",
|
|
/** @property {boolean} True if the OS is Mac OS X. */
|
|
get isMacOSX() this._arch == "Darwin",
|
|
/** @property {boolean} True if the OS is some other *nix variant. */
|
|
get isUnix() !this.isWindows && !this.isMacOSX,
|
|
/** @property {RegExp} A RegExp which matches illegal characters in path components. */
|
|
get illegalCharacters() this.isWindows ? /[<>:"/\\|?*\x00-\x1f]/g : /\//g
|
|
}),
|
|
|
|
/**
|
|
* Returns true if *host* is a subdomain of *domain*.
|
|
*
|
|
* @param {string} host The host to check.
|
|
* @param {string} domain The base domain to check the host against.
|
|
* @returns {boolean}
|
|
*/
|
|
isSubdomain: function isSubdomain(host, domain) {
|
|
if (host == null)
|
|
return false;
|
|
let idx = host.lastIndexOf(domain);
|
|
return idx > -1 && idx + domain.length == host.length && (idx == 0 || host[idx - 1] == ".");
|
|
},
|
|
|
|
/**
|
|
* Returns true if the given DOM node is currently visible.
|
|
*
|
|
* @param {Node} node
|
|
* @returns {boolean}
|
|
*/
|
|
isVisible: function (node) {
|
|
let style = util.computedStyle(node);
|
|
return style.visibility == "visible" && style.display != "none";
|
|
},
|
|
|
|
/**
|
|
* Iterates over all currently open documents, including all
|
|
* top-level window and sub-frames thereof.
|
|
*/
|
|
iterDocuments: function iterDocuments() {
|
|
let windows = services.windowMediator.getXULWindowEnumerator(null);
|
|
while (windows.hasMoreElements()) {
|
|
let window = windows.getNext().QueryInterface(Ci.nsIXULWindow);
|
|
for each (let type in ["typeChrome", "typeContent"]) {
|
|
let docShells = window.docShell.getDocShellEnumerator(Ci.nsIDocShellTreeItem[type],
|
|
Ci.nsIDocShell.ENUMERATE_FORWARDS);
|
|
while (docShells.hasMoreElements())
|
|
yield docShells.getNext().QueryInterface(Ci.nsIDocShell).contentViewer.DOMDocument;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Returns an XPath union expression constructed from the specified node
|
|
* tests. An expression is built with node tests for both the null and
|
|
* XHTML namespaces. See {@link Buffer#evaluateXPath}.
|
|
*
|
|
* @param nodes {Array(string)}
|
|
* @returns {string}
|
|
*/
|
|
makeXPath: function makeXPath(nodes) {
|
|
return array(nodes).map(util.debrace).flatten()
|
|
.map(function (node) [node, "xhtml:" + node]).flatten()
|
|
.map(function (node) "//" + node).join(" | ");
|
|
},
|
|
|
|
map: deprecated("iter.map", function map(obj, fn, self) iter(obj).map(fn, self).toArray()),
|
|
writeToClipboard: deprecated("dactyl.clipboardWrite", function writeToClipboard(str, verbose) util.dactyl.clipboardWrite(str, verbose)),
|
|
readFromClipboard: deprecated("dactyl.clipboardRead", function readFromClipboard() util.dactyl.clipboardRead(false)),
|
|
|
|
/**
|
|
* Converts a URI string into a URI object.
|
|
*
|
|
* @param {string} uri
|
|
* @returns {nsIURI}
|
|
*/
|
|
// FIXME: createURI needed too?
|
|
newURI: function (uri, charset, base) services.io.newURI(uri, charset, base),
|
|
|
|
/**
|
|
* Removes leading garbage prepended to URIs by the subscript
|
|
* loader.
|
|
*/
|
|
fixURI: function fixURI(url) String.replace(url, /.* -> /, ""),
|
|
|
|
/**
|
|
* Pretty print a JavaScript object. Use HTML markup to color certain items
|
|
* if *color* is true.
|
|
*
|
|
* @param {Object} object The object to pretty print.
|
|
* @param {boolean} color Whether the output should be colored.
|
|
* @returns {string}
|
|
*/
|
|
objectToString: function objectToString(object, color) {
|
|
// Use E4X literals so html is automatically quoted
|
|
// only when it's asked for. No one wants to see <
|
|
// on their console or :map :foo in their buffer
|
|
// when they expect :map <C-f> :foo.
|
|
XML.prettyPrinting = false;
|
|
XML.ignoreWhitespace = false;
|
|
|
|
if (object == null)
|
|
return object + "\n";
|
|
|
|
if (!isObject(object))
|
|
return String(object);
|
|
|
|
function namespaced(node) {
|
|
var ns = NAMESPACES[node.namespaceURI] || /^(?:(.*?):)?/.exec(node.name)[0];
|
|
if (!ns)
|
|
return node.localName;
|
|
if (color)
|
|
return <><span highlight="HelpXMLNamespace">{ns}</span>{node.localName}</>
|
|
return ns + ":" + node.localName;
|
|
}
|
|
|
|
if (object instanceof Ci.nsIDOMElement) {
|
|
const NAMESPACES = array.toObject([
|
|
[NS, "dactyl"],
|
|
[XHTML, "html"],
|
|
[XUL, "xul"]
|
|
]);
|
|
let elem = object;
|
|
if (elem.nodeType == elem.TEXT_NODE)
|
|
return elem.data;
|
|
|
|
try {
|
|
let hasChildren = elem.firstChild && (!/^\s*$/.test(elem.firstChild) || elem.firstChild.nextSibling)
|
|
if (color)
|
|
return <span highlight="HelpXMLBlock"><span highlight="HelpXMLTagStart"><{
|
|
namespaced(elem)} {
|
|
template.map(array.iterValues(elem.attributes),
|
|
function (attr)
|
|
<span highlight="HelpXMLAttribute">{namespaced(attr)}</span> +
|
|
<span highlight="HelpXMLString">{attr.value}</span>,
|
|
<> </>)
|
|
}{ !hasChildren ? "/>" : ">"
|
|
}</span>{ !hasChildren ? "" : <>...</> +
|
|
<span highlight="HtmlTagEnd"><{namespaced(elem)}></span>
|
|
}</span>;
|
|
|
|
let tag = "<" + [namespaced(elem)].concat(
|
|
[namespaced(a) + "=" + template.highlight(a.value, true)
|
|
for ([i, a] in array.iterItems(elem.attributes))]).join(" ");
|
|
return tag + (!hasChildren ? "/>" : ">...</" + namespaced(elem) + ">");
|
|
}
|
|
catch (e) {
|
|
return {}.toString.call(elem);
|
|
}
|
|
}
|
|
|
|
try { // for window.JSON
|
|
var obj = String(object);
|
|
}
|
|
catch (e) {
|
|
obj = Object.prototype.toString.call(obj);
|
|
}
|
|
obj = template.highlightFilter(util.clip(obj, 150), "\n", !color ? function () "^J" : function () <span highlight="NonText">^J</span>);
|
|
let string = <><span highlight="Title Object">{obj}</span>::
</>;
|
|
|
|
let keys = [];
|
|
|
|
// window.content often does not want to be queried with "var i in object"
|
|
try {
|
|
let hasValue = !("__iterator__" in object || isinstance(object, ["Generator", "Iterator"]));
|
|
if (object.dactyl && object.modules && object.modules.modules == object.modules) {
|
|
object = Iterator(object);
|
|
hasValue = false;
|
|
}
|
|
for (let i in object) {
|
|
let value = <![CDATA[<no value>]]>;
|
|
try {
|
|
value = object[i];
|
|
}
|
|
catch (e) {}
|
|
if (!hasValue) {
|
|
if (isArray(i) && i.length == 2)
|
|
[i, value] = i;
|
|
else
|
|
var noVal = true;
|
|
}
|
|
|
|
value = template.highlight(value, true, 150);
|
|
let key = <span highlight="Key">{i}</span>;
|
|
if (!isNaN(i))
|
|
i = parseInt(i);
|
|
else if (/^[A-Z_]+$/.test(i))
|
|
i = "";
|
|
keys.push([i, <>{key}{noVal ? "" : <>: {value}</>}
</>]);
|
|
}
|
|
}
|
|
catch (e) {}
|
|
|
|
function compare(a, b) {
|
|
if (!isNaN(a[0]) && !isNaN(b[0]))
|
|
return a[0] - b[0];
|
|
return String.localeCompare(a[0], b[0]);
|
|
}
|
|
string += template.map(keys.sort(compare), function (f) f[1]);
|
|
return color ? <div style="white-space: pre-wrap;">{string}</div> : [s for each (s in string)].join("");
|
|
},
|
|
|
|
observers: {
|
|
"dactyl-cleanup-modules": function () {
|
|
defineModule.loadLog.push("dactyl: util: observe: dactyl-cleanup-modules");
|
|
|
|
for (let module in values(defineModule.modules))
|
|
if (module.cleanup) {
|
|
util.dump("cleanup: " + module.constructor.className);
|
|
util.trapErrors(module.cleanup, module);
|
|
}
|
|
|
|
JSMLoader.cleanup();
|
|
|
|
if (!this.rehashing)
|
|
services.observer.addObserver(this, "dactyl-rehash", true);
|
|
},
|
|
"dactyl-rehash": function () {
|
|
services.observer.removeObserver(this, "dactyl-rehash");
|
|
|
|
defineModule.loadLog.push("dactyl: util: observe: dactyl-rehash");
|
|
if (!this.rehashing)
|
|
for (let module in values(defineModule.modules)) {
|
|
defineModule.loadLog.push("dactyl: util: init(" + module + ")");
|
|
if (module.reinit)
|
|
module.reinit();
|
|
else
|
|
module.init();
|
|
}
|
|
},
|
|
"dactyl-purge": function () {
|
|
this.rehashing = 1;
|
|
},
|
|
"toplevel-window-ready": function (window, data) {
|
|
window.addEventListener("DOMContentLoaded", wrapCallback(function listener(event) {
|
|
if (event.originalTarget === window.document) {
|
|
window.removeEventListener("DOMContentLoaded", listener.wrapper, true);
|
|
util._loadOverlays(window);
|
|
}
|
|
}), true);
|
|
},
|
|
"chrome-document-global-created": function (window, uri) { this.observe(window, "toplevel-window-ready", null); },
|
|
"content-document-global-created": function (window, uri) { this.observe(window, "toplevel-window-ready", null); }
|
|
},
|
|
|
|
_loadOverlays: function _loadOverlays(window) {
|
|
if (!window.dactylOverlays)
|
|
window.dactylOverlays = [];
|
|
|
|
for each (let obj in util.overlays[window.document.documentURI] || []) {
|
|
if (window.dactylOverlays.indexOf(obj) >= 0)
|
|
continue;
|
|
window.dactylOverlays.push(obj);
|
|
this._loadOverlay(window, obj(window));
|
|
}
|
|
},
|
|
|
|
_loadOverlay: function _loadOverlay(window, obj) {
|
|
let doc = window.document;
|
|
if (!doc.dactylOverlayElements) {
|
|
doc.dactylOverlayElements = [];
|
|
doc.dactylOverlayAttributes = [];
|
|
}
|
|
|
|
function overlay(key, fn) {
|
|
if (obj[key]) {
|
|
let iterator = Iterator(obj[key]);
|
|
if (!isObject(obj[key]))
|
|
iterator = ([elem.@id, elem.elements(), elem.@*::*.(function::name() != "id")] for each (elem in obj[key]));
|
|
|
|
for (let [elem, xml, attr] in iterator) {
|
|
if (elem = doc.getElementById(elem)) {
|
|
let node = util.xmlToDom(xml, doc, obj.objects);
|
|
if (!(node instanceof Ci.nsIDOMDocumentFragment))
|
|
doc.dactylOverlayElements.push(node);
|
|
else
|
|
for (let n in array.iterValues(node.childNodes))
|
|
doc.dactylOverlayElements.push(n);
|
|
|
|
fn(elem, node);
|
|
for each (let attr in attr || []) {
|
|
let ns = attr.namespace(), name = attr.localName();
|
|
doc.dactylOverlayAttributes.push([elem, ns, name, getAttr(elem, ns, name), String(attr)]);
|
|
if (attr.name() != "highlight")
|
|
elem.setAttributeNS(ns, name, String(attr));
|
|
else
|
|
highlight.highlightNode(elem, String(attr));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
overlay("before", function (elem, dom) elem.parentNode.insertBefore(dom, elem));
|
|
overlay("after", function (elem, dom) elem.parentNode.insertBefore(dom, elem.nextSibling));
|
|
overlay("append", function (elem, dom) elem.appendChild(dom));
|
|
overlay("prepend", function (elem, dom) elem.insertBefore(dom, elem.firstChild));
|
|
if (obj.init)
|
|
obj.init(window);
|
|
|
|
if (obj.load)
|
|
if (doc.readyState === "complete")
|
|
obj.load(window);
|
|
else
|
|
doc.addEventListener("load", wrapCallback(function load(event) {
|
|
if (event.originalTarget === event.target) {
|
|
doc.removeEventListener("load", load.wrapper, true);
|
|
obj.load(window, event);
|
|
}
|
|
}), true);
|
|
},
|
|
|
|
overlayObject: function (object, overrides) {
|
|
let original = Object.create(object);
|
|
overrides = update(Object.create(original), overrides);
|
|
|
|
Object.getOwnPropertyNames(overrides).forEach(function (k) {
|
|
let orig, desc = Object.getOwnPropertyDescriptor(overrides, k);
|
|
if (desc.value instanceof Class.Property)
|
|
desc = desc.value.init(k) || desc.value;
|
|
|
|
for (let obj = object; obj && !orig; obj = Object.getPrototypeOf(obj))
|
|
if (orig = Object.getOwnPropertyDescriptor(obj, k))
|
|
Object.defineProperty(original, k, orig);
|
|
|
|
// Guard against horrible add-ons that use eval-based monkey
|
|
// patching.
|
|
if (callable(desc.value)) {
|
|
let value = desc.value;
|
|
|
|
let sentinel = "(function DactylOverlay() {}())"
|
|
value.toString = function toString() toString.toString.call(this).replace(/\}?$/, sentinel + "; $&");
|
|
value.toSource = function toSource() toString.toSource.call(this).replace(/\}?$/, sentinel + "; $&");
|
|
|
|
delete desc.value;
|
|
delete desc.writable;
|
|
desc.get = function get() value;
|
|
desc.set = function set(val) {
|
|
if (String(val).indexOf(sentinel) < 0)
|
|
Class.replaceProperty(this, k, val);
|
|
else {
|
|
let package_ = util.newURI(util.fixURI(Components.stack.caller.filename)).host;
|
|
util.reportError(Error("Not replacing property with eval-generated overlay by " + package_));
|
|
util.dactyl.echoerr("Not replacing property with eval-generated overlay by " + package_);
|
|
}
|
|
};
|
|
}
|
|
|
|
Object.defineProperty(object, k, desc);
|
|
}, this);
|
|
|
|
return function unwrap() {
|
|
for each (let k in Object.getOwnPropertyNames(original))
|
|
Object.defineProperty(object, k, Object.getOwnPropertyDescriptor(original, k));
|
|
};
|
|
},
|
|
|
|
overlayWindow: function (url, fn) {
|
|
if (url instanceof Ci.nsIDOMWindow)
|
|
util._loadOverlay(url, fn);
|
|
else {
|
|
Array.concat(url).forEach(function (url) {
|
|
if (!this.overlays[url])
|
|
this.overlays[url] = [];
|
|
this.overlays[url].push(fn);
|
|
}, this);
|
|
|
|
for (let doc in util.iterDocuments())
|
|
if (["interactive", "complete"].indexOf(doc.readyState) >= 0)
|
|
this._loadOverlays(doc.defaultView);
|
|
else
|
|
this.observe(doc.defaultView, "toplevel-window-ready");
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Parses the fields of a form and returns a URL/POST-data pair
|
|
* that is the equivalent of submitting the form.
|
|
*
|
|
* @param {nsINode} field One of the fields of the given form.
|
|
* @returns {array}
|
|
*/
|
|
// Nuances gleaned from browser.jar/content/browser/browser.js
|
|
parseForm: function parseForm(field) {
|
|
function encode(name, value, param) {
|
|
param = param ? "%s" : "";
|
|
if (post)
|
|
return name + "=" + encodeComponent(value + param);
|
|
return encodeComponent(name) + "=" + encodeComponent(value) + param;
|
|
}
|
|
|
|
let form = field.form;
|
|
let doc = form.ownerDocument;
|
|
|
|
let charset = doc.characterSet;
|
|
let converter = services.CharsetConv(charset);
|
|
for each (let cs in form.acceptCharset.split(/\s*,\s*|\s+/)) {
|
|
let c = services.CharsetConv(cs);
|
|
if (c) {
|
|
converter = services.CharsetConv(cs);
|
|
charset = cs;
|
|
}
|
|
}
|
|
|
|
let uri = util.newURI(doc.baseURI.replace(/\?.*/, ""), charset);
|
|
let url = util.newURI(form.action, charset, uri).spec;
|
|
|
|
let post = form.method.toUpperCase() == "POST";
|
|
|
|
let encodeComponent = encodeURIComponent;
|
|
if (charset !== "UTF-8")
|
|
encodeComponent = function encodeComponent(str)
|
|
escape(converter.ConvertFromUnicode(str) + converter.Finish());
|
|
|
|
let elems = [];
|
|
if (field instanceof Ci.nsIDOMHTMLInputElement && field.type == "submit")
|
|
elems.push(encode(field.name, field.value));
|
|
|
|
for (let [, elem] in iter(form.elements)) {
|
|
if (set.has(util.editableInputs, elem.type)
|
|
|| /^(?:hidden|textarea)$/.test(elem.type)
|
|
|| elem.checked && /^(?:checkbox|radio)$/.test(elem.type))
|
|
elems.push(encode(elem.name, elem.value, elem === field));
|
|
else if (elem instanceof Ci.nsIDOMHTMLSelectElement) {
|
|
for (let [, opt] in Iterator(elem.options))
|
|
if (opt.selected)
|
|
elems.push(encode(elem.name, opt.value));
|
|
}
|
|
}
|
|
if (post)
|
|
return [url, elems.join('&'), charset, elems];
|
|
return [url + "?" + elems.join('&'), null, charset, elems];
|
|
},
|
|
|
|
/**
|
|
* A generator that returns the values between *start* and *end*, in *step*
|
|
* increments.
|
|
*
|
|
* @param {number} start The interval's start value.
|
|
* @param {number} end The interval's end value.
|
|
* @param {boolean} step The value to step the range by. May be
|
|
* negative. @default 1
|
|
* @returns {Iterator(Object)}
|
|
*/
|
|
range: function range(start, end, step) {
|
|
if (!step)
|
|
step = 1;
|
|
if (step > 0) {
|
|
for (; start < end; start += step)
|
|
yield start;
|
|
}
|
|
else {
|
|
while (start > end)
|
|
yield start += step;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* An interruptible generator that returns all values between *start* and
|
|
* *end*. The thread yields every *time* milliseconds.
|
|
*
|
|
* @param {number} start The interval's start value.
|
|
* @param {number} end The interval's end value.
|
|
* @param {number} time The time in milliseconds between thread yields.
|
|
* @returns {Iterator(Object)}
|
|
*/
|
|
interruptibleRange: function interruptibleRange(start, end, time) {
|
|
let endTime = Date.now() + time;
|
|
while (start < end) {
|
|
if (Date.now() > endTime) {
|
|
util.threadYield(true, true);
|
|
endTime = Date.now() + time;
|
|
}
|
|
yield start++;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Creates a new RegExp object based on the value of expr stripped
|
|
* of all white space and interpolated with the values from tokens.
|
|
* If tokens, any string in the form of <key> in expr is replaced
|
|
* with the value of the property, 'key', from tokens, if that
|
|
* property exists. If the property value is itself a RegExp, its
|
|
* source is substituted rather than its string value.
|
|
*
|
|
* Additionally, expr is stripped of all JavaScript comments.
|
|
*
|
|
* This is similar to Perl's extended regular expression format.
|
|
*
|
|
* @param {string|XML} expr The expression to compile into a RegExp.
|
|
* @param {string} flags Flags to apply to the new RegExp.
|
|
* @param {object} tokens The tokens to substitute. @optional
|
|
* @returns {RegExp} A custom regexp object.
|
|
*/
|
|
regexp: update(function (expr, flags, tokens) {
|
|
flags = flags || [k for ([k, v] in Iterator({ g: "global", i: "ignorecase", m: "multiline", y: "sticky" }))
|
|
if (expr[v])].join("");
|
|
|
|
if (isinstance(expr, ["RegExp"]))
|
|
expr = expr.source;
|
|
|
|
// Replace replacement <tokens>.
|
|
if (tokens)
|
|
expr = String.replace(expr, /(\(?P)?<(\w+)>/g, function (m, n1, n2) !n1 && set.has(tokens, n2) ? tokens[n2].dactylSource || tokens[n2].source || tokens[n2] : m);
|
|
|
|
// Strip comments and white space.
|
|
if (/x/.test(flags))
|
|
expr = String.replace(expr, /(\\.)|\/\/[^\n]*|\/\*[^]*?\*\/|\s+/gm, function (m, m1) m1 || "");
|
|
|
|
// Replace (?P<named> parameters)
|
|
if (/\(\?P</.test(expr)) {
|
|
var source = expr;
|
|
let groups = ["wholeMatch"];
|
|
expr = expr.replace(/((?:[^[(\\]|\\.|\[(?:[^\]]|\\.)*\])*)\((?:\?P<([^>]+)>|(\?))?/gy,
|
|
function (m0, m1, m2, m3) {
|
|
if (!m3)
|
|
groups.push(m2 || "-group-" + groups.length);
|
|
return m1 + "(" + (m3 || "");
|
|
});
|
|
var struct = Struct.apply(null, groups);
|
|
}
|
|
|
|
let res = update(RegExp(expr, flags.replace("x", "")), {
|
|
closure: Class.Property(Object.getOwnPropertyDescriptor(Class.prototype, "closure")),
|
|
dactylPropertyNames: ["exec", "match", "test", "toSource", "toString", "global", "ignoreCase", "lastIndex", "multiLine", "source", "sticky"],
|
|
iterate: function (str, idx) util.regexp.iterate(this, str, idx)
|
|
});
|
|
|
|
// Return a struct with properties for named parameters if we
|
|
// have them.
|
|
if (struct)
|
|
update(res, {
|
|
exec: function exec() let (match = exec.superapply(this, arguments)) match && struct.fromArray(match),
|
|
dactylSource: source, struct: struct
|
|
});
|
|
return res;
|
|
}, {
|
|
/**
|
|
* Escapes Regular Expression special characters in *str*.
|
|
*
|
|
* @param {string} str
|
|
* @returns {string}
|
|
*/
|
|
escape: function regexp_escape(str) str.replace(/([\\{}()[\]^$.?*+|])/g, "\\$1"),
|
|
|
|
/**
|
|
* Given a RegExp, returns its source in the form showable to the user.
|
|
*
|
|
* @param {RegExp} re The regexp showable source of which is to be returned.
|
|
* @returns {string}
|
|
*/
|
|
getSource: function regexp_getSource(re) re.source.replace(/\\(.)/g, function (m0, m1) m1 === "/" ? "/" : m0),
|
|
|
|
/**
|
|
* Iterates over all matches of the given regexp in the given
|
|
* string.
|
|
*
|
|
* @param {RegExp} regexp The regular expression to execute.
|
|
* @param {string} string The string to search.
|
|
* @param {number} lastIndex The index at which to begin searching. @optional
|
|
*/
|
|
iterate: function iterate(regexp, string, lastIndex) iter(function () {
|
|
regexp.lastIndex = lastIndex = lastIndex || 0;
|
|
let match;
|
|
while (match = regexp.exec(string)) {
|
|
lastIndex = regexp.lastIndex;
|
|
yield match;
|
|
regexp.lastIndex = lastIndex;
|
|
if (match[0].length == 0 || !regexp.global)
|
|
break;
|
|
}
|
|
}())
|
|
}),
|
|
|
|
rehash: function (args) {
|
|
if (services.fuel)
|
|
services.fuel.storage.set("dactyl.commandlineArgs", args);
|
|
this.timeout(function () {
|
|
this.rehashing = true;
|
|
let addon = config.addon;
|
|
addon.userDisabled = true;
|
|
addon.userDisabled = false;
|
|
});
|
|
},
|
|
|
|
errorCount: 0,
|
|
errors: Class.memoize(function () []),
|
|
maxErrors: 15,
|
|
reportError: function (error) {
|
|
if (error.noTrace)
|
|
return;
|
|
|
|
if (Cu.reportError)
|
|
Cu.reportError(error);
|
|
|
|
try {
|
|
this.errorCount++;
|
|
|
|
let obj = update({}, error, {
|
|
toString: function () String(error),
|
|
stack: <>{util.stackLines(String(error.stack || Error().stack)).join("\n").replace(/^/mg, "\t")}</>
|
|
});
|
|
|
|
this.errors.push([new Date, obj + "\n" + obj.stack]);
|
|
this.errors = this.errors.slice(-this.maxErrors);
|
|
this.errors.toString = function () [k + "\n" + v for ([k, v] in array.iterValues(this))].join("\n\n");
|
|
|
|
this.dump(String(error));
|
|
this.dump(obj);
|
|
this.dump("");
|
|
}
|
|
catch (e) {
|
|
try {
|
|
this.dump(String(error));
|
|
this.dump(util.stackLines(error.stack).join("\n"));
|
|
}
|
|
catch (e) { dump(e + "\n"); }
|
|
}
|
|
|
|
// ctypes.open("libc.so.6").declare("kill", ctypes.default_abi, ctypes.void_t, ctypes.int, ctypes.int)(
|
|
// ctypes.open("libc.so.6").declare("getpid", ctypes.default_abi, ctypes.int)(), 2)
|
|
},
|
|
|
|
/**
|
|
* Given a domain, returns an array of all non-toplevel subdomains
|
|
* of that domain.
|
|
*
|
|
* @param {string} host The host for which to find subdomains.
|
|
* @returns {[string]}
|
|
*/
|
|
subdomains: function subdomains(host) {
|
|
if (/(^|\.)\d+$|:.*:/.test(host))
|
|
// IP address or similar
|
|
return [host];
|
|
|
|
let base = host.replace(/.*\.(.+?\..+?)$/, "$1");
|
|
try {
|
|
base = services.tld.getBaseDomainFromHost(host);
|
|
}
|
|
catch (e) {}
|
|
|
|
let ary = host.split(".");
|
|
ary = [ary.slice(i).join(".") for (i in util.range(ary.length - 1, 0, -1))];
|
|
return ary.filter(function (h) h.length >= base.length);
|
|
},
|
|
|
|
/**
|
|
* Scrolls an element into view if and only if it's not already
|
|
* fully visible.
|
|
*
|
|
* @param {Node} elem The element to make visible.
|
|
*/
|
|
scrollIntoView: function scrollIntoView(elem, alignWithTop) {
|
|
let win = elem.ownerDocument.defaultView;
|
|
let rect = elem.getBoundingClientRect();
|
|
if (!(rect && rect.bottom <= win.innerHeight && rect.top >= 0 && rect.left < win.innerWidth && rect.right > 0))
|
|
elem.scrollIntoView(arguments.length > 1 ? alignWithTop : Math.abs(rect.top) < Math.abs(win.innerHeight - rect.bottom));
|
|
},
|
|
|
|
/**
|
|
* Returns the selection controller for the given window.
|
|
*
|
|
* @param {Window} window
|
|
* @returns {nsISelectionController}
|
|
*/
|
|
selectionController: function (win)
|
|
win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIWebNavigation)
|
|
.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsISelectionDisplay)
|
|
.QueryInterface(Ci.nsISelectionController),
|
|
|
|
/**
|
|
* Suspend execution for at least *delay* milliseconds. Functions by
|
|
* yielding execution to the next item in the main event queue, and
|
|
* so may lead to unexpected call graphs, and long delays if another
|
|
* handler yields execution while waiting.
|
|
*
|
|
* @param {number} delay The time period for which to sleep in milliseconds.
|
|
*/
|
|
sleep: function (delay) {
|
|
let mainThread = services.threading.mainThread;
|
|
|
|
let end = Date.now() + delay;
|
|
while (Date.now() < end)
|
|
mainThread.processNextEvent(true);
|
|
return true;
|
|
},
|
|
|
|
highlightFilter: function highlightFilter(str, filter, highlight) {
|
|
return this.highlightSubstrings(str, (function () {
|
|
if (filter.length == 0)
|
|
return;
|
|
let lcstr = String.toLowerCase(str);
|
|
let lcfilter = filter.toLowerCase();
|
|
let start = 0;
|
|
while ((start = lcstr.indexOf(lcfilter, start)) > -1) {
|
|
yield [start, filter.length];
|
|
start += filter.length;
|
|
}
|
|
})(), highlight || template.filter);
|
|
},
|
|
|
|
/**
|
|
* Behaves like String.split, except that when *limit* is reached,
|
|
* the trailing element contains the entire trailing portion of the
|
|
* string.
|
|
*
|
|
* util.split("a, b, c, d, e", /, /, 3) -> ["a", "b", "c, d, e"]
|
|
*
|
|
* @param {string} str The string to split.
|
|
* @param {RegExp|string} re The regular expression on which to split the string.
|
|
* @param {number} limit The maximum number of elements to return.
|
|
* @returns {[string]}
|
|
*/
|
|
split: function (str, re, limit) {
|
|
re.lastIndex = 0;
|
|
if (!re.global)
|
|
re = RegExp(re.source || re, "g");
|
|
let match, start = 0, res = [];
|
|
while (--limit && (match = re.exec(str)) && match[0].length) {
|
|
res.push(str.substring(start, match.index));
|
|
start = match.index + match[0].length;
|
|
}
|
|
res.push(str.substring(start));
|
|
return res;
|
|
},
|
|
|
|
/**
|
|
* Split a string on literal occurrences of a marker.
|
|
*
|
|
* Specifically this ignores occurrences preceded by a backslash, or
|
|
* contained within 'single' or "double" quotes.
|
|
*
|
|
* It assumes backslash escaping on strings, and will thus not count quotes
|
|
* that are preceded by a backslash or within other quotes as starting or
|
|
* ending quoted sections of the string.
|
|
*
|
|
* @param {string} str
|
|
* @param {RegExp} marker
|
|
* @returns {[string]}
|
|
*/
|
|
splitLiteral: function splitLiteral(str, marker) {
|
|
let results = [];
|
|
let resep = RegExp(/^(([^\\'"]|\\.|'([^\\']|\\.)*'|"([^\\"]|\\.)*")*?)/.source + marker.source);
|
|
let cont = true;
|
|
|
|
while (cont) {
|
|
cont = false;
|
|
str = str.replace(resep, function (match, before) {
|
|
results.push(before);
|
|
cont = match !== "";
|
|
return "";
|
|
});
|
|
}
|
|
|
|
results.push(str);
|
|
return results;
|
|
},
|
|
|
|
yielders: 0,
|
|
threadYield: function (flush, interruptable) {
|
|
this.yielders++;
|
|
try {
|
|
let mainThread = services.threading.mainThread;
|
|
/* FIXME */
|
|
util.interrupted = false;
|
|
do {
|
|
mainThread.processNextEvent(!flush);
|
|
if (util.interrupted)
|
|
throw new Error("Interrupted");
|
|
}
|
|
while (flush === true && mainThread.hasPendingEvents());
|
|
}
|
|
finally {
|
|
this.yielders--;
|
|
}
|
|
},
|
|
|
|
waitFor: function waitFor(test, self, timeout, interruptable) {
|
|
let end = timeout && Date.now() + timeout, result;
|
|
|
|
let timer = services.Timer(function () {}, 10, services.Timer.TYPE_REPEATING_SLACK);
|
|
try {
|
|
while (!(result = test.call(self)) && (!end || Date.now() < end))
|
|
this.threadYield(false, interruptable);
|
|
}
|
|
finally {
|
|
timer.cancel();
|
|
}
|
|
return result;
|
|
},
|
|
|
|
yieldable: function yieldable(func)
|
|
function magic() {
|
|
let gen = func.apply(this, arguments);
|
|
(function next() {
|
|
try {
|
|
util.timeout(next, gen.next());
|
|
}
|
|
catch (e if e instanceof StopIteration) {};
|
|
})();
|
|
},
|
|
|
|
wrapCallback: wrapCallback,
|
|
|
|
/**
|
|
* Traps errors in the called function, possibly reporting them.
|
|
*
|
|
* @param {function} func The function to call
|
|
* @param {object} self The 'this' object for the function.
|
|
*/
|
|
trapErrors: function trapErrors(func, self) {
|
|
try {
|
|
if (isString(func))
|
|
func = self[func];
|
|
return func.apply(self || this, Array.slice(arguments, 2));
|
|
}
|
|
catch (e) {
|
|
util.reportError(e);
|
|
return undefined;
|
|
}
|
|
},
|
|
|
|
urlPath: function urlPath(url) {
|
|
try {
|
|
return util.getFile(url).path;
|
|
}
|
|
catch (e) {
|
|
return url;
|
|
}
|
|
},
|
|
|
|
visibleHosts: function (win) {
|
|
let res = [], seen = {};
|
|
(function rec(frame) {
|
|
try {
|
|
res = res.concat(util.subdomains(frame.location.host));
|
|
}
|
|
catch (e) {}
|
|
Array.forEach(frame.frames, rec);
|
|
})(win);
|
|
return res.filter(function (h) !set.add(seen, h));
|
|
},
|
|
|
|
visibleURIs: function (win) {
|
|
let res = [], seen = {};
|
|
(function rec(frame) {
|
|
try {
|
|
res = res.concat(util.newURI(frame.location.href));
|
|
}
|
|
catch (e) {}
|
|
Array.forEach(frame.frames, rec);
|
|
})(win);
|
|
return res.filter(function (h) !set.add(seen, h.spec));
|
|
},
|
|
|
|
/**
|
|
* Converts an E4X XML literal to a DOM node. Any attribute named
|
|
* highlight is present, it is transformed into dactyl:highlight,
|
|
* and the named highlight groups are guaranteed to be loaded.
|
|
*
|
|
* @param {Node} node
|
|
* @param {Document} doc
|
|
* @param {Object} nodes If present, nodes with the "key" attribute are
|
|
* stored here, keyed to the value thereof.
|
|
* @returns {Node}
|
|
*/
|
|
xmlToDom: function xmlToDom(node, doc, nodes) {
|
|
XML.prettyPrinting = false;
|
|
if (typeof node === "string") // Sandboxes can't currently pass us XML objects.
|
|
node = XML(node);
|
|
|
|
if (node.length() != 1) {
|
|
let domnode = doc.createDocumentFragment();
|
|
for each (let child in node)
|
|
domnode.appendChild(xmlToDom(child, doc, nodes));
|
|
return domnode;
|
|
}
|
|
|
|
switch (node.nodeKind()) {
|
|
case "text":
|
|
return doc.createTextNode(String(node));
|
|
case "element":
|
|
let domnode = doc.createElementNS(node.namespace(), node.localName());
|
|
|
|
for each (let attr in node.@*::*)
|
|
if (attr.name() != "highlight")
|
|
domnode.setAttributeNS(attr.namespace(), attr.localName(), String(attr));
|
|
|
|
for each (let child in node.*::*)
|
|
domnode.appendChild(xmlToDom(child, doc, nodes));
|
|
if (nodes && node.@key)
|
|
nodes[node.@key] = domnode;
|
|
|
|
if ("@highlight" in node)
|
|
highlight.highlightNode(domnode, String(node.@highlight), nodes || true);
|
|
return domnode;
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
}, {
|
|
Array: array
|
|
});
|
|
|
|
/**
|
|
* Math utility methods.
|
|
* @singleton
|
|
*/
|
|
var GlobalMath = Math;
|
|
var Math = update(Object.create(GlobalMath), {
|
|
/**
|
|
* Returns the specified *value* constrained to the range *min* - *max*.
|
|
*
|
|
* @param {number} value The value to constrain.
|
|
* @param {number} min The minimum constraint.
|
|
* @param {number} max The maximum constraint.
|
|
* @returns {number}
|
|
*/
|
|
constrain: function constrain(value, min, max) Math.min(Math.max(min, value), max)
|
|
});
|
|
|
|
endModule();
|
|
|
|
} catch(e){ if (!e.stack) e = Error(e); dump(e.fileName+":"+e.lineNumber+": "+e+"\n" + e.stack); }
|
|
|
|
// vim: set fdm=marker sw=4 ts=4 et ft=javascript:
|