gecko/browser/installer/precompile_cache.js

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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Taras Glek <tglek@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
// see http://mxr.mozilla.org/mozilla-central/source/services/sync/Weave.js#76
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
function setenv(name, val) {
try {
var environment = Components.classes["@mozilla.org/process/environment;1"].
getService(Components.interfaces.nsIEnvironment);
environment.set(name, val);
}
catch(e) {
displayError("setenv", e);
}
}
function load(url) {
print(url)
try {
Cu.import(url, null)
} catch(e) {
dump("Failed to import "+url + ":"+e+"\n");
}
}
function load_entries(entries, prefix) {
while(entries.hasMore()) {
var c = entries.getNext();
load(prefix + c);
}
}
function getGreDir() {
return Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties).get("GreD", Ci.nsIFile);
}
function openJar(file) {
var zipreader = Cc["@mozilla.org/libjar/zip-reader;1"].createInstance(Ci.nsIZipReader);
zipreader.open(file);
return zipreader;
}
// Check that files can be read from after closing zipreader
function populate_omnijar() {
var file = getGreDir();
file.append("omni.jar");
setenv("MOZ_STARTUP_CACHE", file.path);
zipreader = openJar(file);
load_entries(zipreader.findEntries("components/*js"), "resource://gre/");
load_entries(zipreader.findEntries("modules/*jsm"), "resource://gre/");
// the sync part below doesn't work as smoothly
let ioService = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
let uri = ioService.newURI("resource:///modules/services-sync/",
null, null);
let resProt = ioService.getProtocolHandler("resource")
.QueryInterface(Ci.nsIResProtocolHandler);
resProt.setSubstitution("services-sync", uri);
var entries = zipreader.findEntries("modules/services-sync/*js");
while(entries.hasMore()) {
var c = entries.getNext();
load("resource://services-sync/" + c.replace("modules/services-sync/", ""));
}
zipreader.close();
}
function extract_files(jar, pattern, dest) {
var entries = jar.findEntries(pattern);
while(entries.hasMore()) {
var c = entries.getNext();
var file = dest.clone();
for each(name in c.split("/"))
file.append(name);
if (!file.parent.exists()) {
file.parent.create(1 /* Ci.nsIFile.DIRECTORY doesn't work*/, 0700);
print("Created " + file.parent.path)
}
if (jar.getEntry(c).isDirectory)
continue;
try {
jar.extract(c, file);
print("extracted "+file.path+":"+file.fileSize);
}catch(e) {
// This shouldn't happen, but if it does it means the cache entry will be generated at runtime
// instead of at package-time.
print("Failed to extract " + file.path);
print(e)
}
}
}
function extract_jsloader_to_dist_bin() {
var dist_bin = getGreDir().parent;
dist_bin.append("bin");
var file = getGreDir();
file.append("omni.jar");
var zipReader = openJar(file);
// this should really be zipReader.extract(...), but that method is too broken
extract_files(zipReader, "jsloader/*", dist_bin);
zipReader.close();
}