зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
3.3 KiB
JavaScript
95 строки
3.3 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// see http://mxr.mozilla.org/mozilla-central/source/services/sync/Weave.js#76
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/Services.jsm");
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const rph = Services.io.getProtocolHandler("resource").QueryInterface(Ci.nsIResProtocolHandler);
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function endsWith(str, end) {
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return str.slice(-end.length) == end;
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}
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function jar_entries(jarReader, pattern) {
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var entries = [];
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var enumerator = jarReader.findEntries(pattern);
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while (enumerator.hasMore()) {
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entries.push(enumerator.getNext());
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}
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return entries;
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}
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function dir_entries(baseDir, subpath, ext) {
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var dir = baseDir.clone();
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dir.append(subpath);
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var enumerator = dir.directoryEntries;
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var entries = [];
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while (enumerator.hasMoreElements()) {
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var file = enumerator.getNext().QueryInterface(Ci.nsIFile);
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if (file.isDirectory()) {
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entries = entries.concat(dir_entries(dir, file.leafName, ext).map(function(p) subpath + "/" + p));
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} else if (endsWith(file.leafName, ext)) {
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entries.push(subpath + "/" + file.leafName);
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}
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}
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return entries;
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}
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function get_modules_under(uri) {
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if (uri instanceof Ci.nsIJARURI) {
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var jar = uri.QueryInterface(Ci.nsIJARURI);
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var jarReader = Cc["@mozilla.org/libjar/zip-reader;1"].createInstance(Ci.nsIZipReader);
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var file = jar.JARFile.QueryInterface(Ci.nsIFileURL);
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jarReader.open(file.file);
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var entries = jar_entries(jarReader, "components/*.js")
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.concat(jar_entries(jarReader, "modules/*.js"))
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.concat(jar_entries(jarReader, "modules/*.jsm"));
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jarReader.close();
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return entries;
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} else if (uri instanceof Ci.nsIFileURL){
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var file = uri.QueryInterface(Ci.nsIFileURL);
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return dir_entries(file.file, "components", ".js")
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.concat(dir_entries(file.file, "modules", ".js"))
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.concat(dir_entries(file.file, "modules", ".jsm"));
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} else {
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throw "Expected a nsIJARURI or nsIFileURL";
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}
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}
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function load_modules_under(spec, uri) {
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var entries = get_modules_under(uri).sort();
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// The precompilation of JS here sometimes reports errors, which we don't
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// really care about. But if the errors are ever reported to xpcshell's
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// error reporter, it will cause it to return an error code, which will break
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// automation. Currently they won't be, because the component loader spins up
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// its JSContext before xpcshell has time to set its context callback (which
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// overrides the error reporter on all newly-created JSContexts). But as we
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// move towards a singled-cxed browser, we'll run into this. So let's be
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// forward-thinking and deal with it now.
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ignoreReportedErrors(true);
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for each (let entry in entries) {
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try {
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dump(spec + entry + "\n");
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Cu.import(spec + entry, null);
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} catch(e) {}
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}
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ignoreReportedErrors(false);
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}
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function resolveResource(spec) {
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var uri = Services.io.newURI(spec, null, null);
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return Services.io.newURI(rph.resolveURI(uri), null, null);
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}
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function precompile_startupcache(uri) {
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load_modules_under(uri, resolveResource(uri));
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}
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