The Tor Browser / file comparison
comparison: toolkit/mozapps/installer/precompile_cache.js
toolkit/mozapps/installer/precompile_cache.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
replaced
| -1:000000000000 | 0:61fd0270fc07 |
|---|---|
| 1 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 // see http://mxr.mozilla.org/mozilla-central/source/services/sync/Weave.js#76 | |
| 8 | |
| 9 const Cc = Components.classes; | |
| 10 const Ci = Components.interfaces; | |
| 11 const Cu = Components.utils; | |
| 12 | |
| 13 Cu.import("resource://gre/modules/Services.jsm"); | |
| 14 | |
| 15 const rph = Services.io.getProtocolHandler("resource").QueryInterface(Ci.nsIResProtocolHandler); | |
| 16 | |
| 17 function endsWith(str, end) { | |
| 18 return str.slice(-end.length) == end; | |
| 19 } | |
| 20 | |
| 21 function jar_entries(jarReader, pattern) { | |
| 22 var entries = []; | |
| 23 var enumerator = jarReader.findEntries(pattern); | |
| 24 while (enumerator.hasMore()) { | |
| 25 entries.push(enumerator.getNext()); | |
| 26 } | |
| 27 return entries; | |
| 28 } | |
| 29 | |
| 30 function dir_entries(baseDir, subpath, ext) { | |
| 31 var dir = baseDir.clone(); | |
| 32 dir.append(subpath); | |
| 33 var enumerator = dir.directoryEntries; | |
| 34 var entries = []; | |
| 35 while (enumerator.hasMoreElements()) { | |
| 36 var file = enumerator.getNext().QueryInterface(Ci.nsIFile); | |
| 37 if (file.isDirectory()) { | |
| 38 entries = entries.concat(dir_entries(dir, file.leafName, ext).map(function(p) subpath + "/" + p)); | |
| 39 } else if (endsWith(file.leafName, ext)) { | |
| 40 entries.push(subpath + "/" + file.leafName); | |
| 41 } | |
| 42 } | |
| 43 return entries; | |
| 44 } | |
| 45 | |
| 46 function get_modules_under(uri) { | |
| 47 if (uri instanceof Ci.nsIJARURI) { | |
| 48 var jar = uri.QueryInterface(Ci.nsIJARURI); | |
| 49 var jarReader = Cc["@mozilla.org/libjar/zip-reader;1"].createInstance(Ci.nsIZipReader); | |
| 50 var file = jar.JARFile.QueryInterface(Ci.nsIFileURL); | |
| 51 jarReader.open(file.file); | |
| 52 var entries = jar_entries(jarReader, "components/*.js") | |
| 53 .concat(jar_entries(jarReader, "modules/*.js")) | |
| 54 .concat(jar_entries(jarReader, "modules/*.jsm")); | |
| 55 jarReader.close(); | |
| 56 return entries; | |
| 57 } else if (uri instanceof Ci.nsIFileURL){ | |
| 58 var file = uri.QueryInterface(Ci.nsIFileURL); | |
| 59 return dir_entries(file.file, "components", ".js") | |
| 60 .concat(dir_entries(file.file, "modules", ".js")) | |
| 61 .concat(dir_entries(file.file, "modules", ".jsm")); | |
| 62 } else { | |
| 63 throw "Expected a nsIJARURI or nsIFileURL"; | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 function load_modules_under(spec, uri) { | |
| 68 var entries = get_modules_under(uri).sort(); | |
| 69 // The precompilation of JS here sometimes reports errors, which we don't | |
| 70 // really care about. But if the errors are ever reported to xpcshell's | |
| 71 // error reporter, it will cause it to return an error code, which will break | |
| 72 // automation. Currently they won't be, because the component loader spins up | |
| 73 // its JSContext before xpcshell has time to set its context callback (which | |
| 74 // overrides the error reporter on all newly-created JSContexts). But as we | |
| 75 // move towards a singled-cxed browser, we'll run into this. So let's be | |
| 76 // forward-thinking and deal with it now. | |
| 77 ignoreReportedErrors(true); | |
| 78 for each (let entry in entries) { | |
| 79 try { | |
| 80 dump(spec + entry + "\n"); | |
| 81 Cu.import(spec + entry, null); | |
| 82 } catch(e) {} | |
| 83 } | |
| 84 ignoreReportedErrors(false); | |
| 85 } | |
| 86 | |
| 87 function resolveResource(spec) { | |
| 88 var uri = Services.io.newURI(spec, null, null); | |
| 89 return Services.io.newURI(rph.resolveURI(uri), null, null); | |
| 90 } | |
| 91 | |
| 92 function precompile_startupcache(uri) { | |
| 93 load_modules_under(uri, resolveResource(uri)); | |
| 94 } |
