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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { Cc, Ci, Cu } = require("chrome");
const { OS } = Cu.import("resource://gre/modules/osfile.jsm", {});
const { TextEncoder, TextDecoder } = Cu.import('resource://gre/modules/commonjs/toolkit/loader.js', {});
const gcli = require("gcli/index");
const l10n = require("gcli/l10n");
loader.lazyGetter(this, "prefBranch", function() {
let prefService = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefService);
return prefService.getBranch(null).QueryInterface(Ci.nsIPrefBranch2);
});
loader.lazyGetter(this, "supportsString", function() {
return Cc["@mozilla.org/supports-string;1"].createInstance(Ci.nsISupportsString);
});
loader.lazyImporter(this, "NetUtil", "resource://gre/modules/NetUtil.jsm");
const PREF_DIR = "devtools.commands.dir";
/**
* Load all the .mozcmd files in the directory pointed to by PREF_DIR
* @return A promise of an array of items suitable for gcli.addItems or
* using in gcli.addItemsByModule
*/
function loadItemsFromMozDir() {
let dirName = prefBranch.getComplexValue(PREF_DIR,
Ci.nsISupportsString).data.trim();
if (dirName == "") {
return Promise.resolve([]);
}
// replaces ~ with the home directory path in unix and windows
if (dirName.indexOf("~") == 0) {
let dirService = Cc["@mozilla.org/file/directory_service;1"]
.getService(Ci.nsIProperties);
let homeDirFile = dirService.get("Home", Ci.nsIFile);
let homeDir = homeDirFile.path;
dirName = dirName.substr(1);
dirName = homeDir + dirName;
}
// statPromise resolves to nothing if dirName is a directory, or it
// rejects with an error message otherwise
let statPromise = OS.File.stat(dirName);
statPromise = statPromise.then(
function onSuccess(stat) {
if (!stat.isDir) {
throw new Error("'" + dirName + "' is not a directory.");
}
},
function onFailure(reason) {
if (reason instanceof OS.File.Error && reason.becauseNoSuchFile) {
throw new Error("'" + dirName + "' does not exist.");
} else {
throw reason;
}
}
);
// We need to return (a promise of) an array of items from the *.mozcmd
// files in dirName (which we can assume to be a valid directory now)
return statPromise.then(() => {
let itemPromises = [];
let iterator = new OS.File.DirectoryIterator(dirName);
let iterPromise = iterator.forEach(entry => {
if (entry.name.match(/.*\.mozcmd$/) && !entry.isDir) {
itemPromises.push(loadCommandFile(entry));
}
});
return iterPromise.then(() => {
iterator.close();
return Promise.all(itemPromises).then((itemsArray) => {
return itemsArray.reduce((prev, curr) => {
return prev.concat(curr);
}, []);
});
}, reason => { iterator.close(); throw reason; });
});
}
exports.mozDirLoader = function(name) {
return loadItemsFromMozDir().then(items => {
return { items: items };
});
};
/**
* Load the commands from a single file
* @param OS.File.DirectoryIterator.Entry entry The DirectoryIterator
* Entry of the file containing the commands that we should read
*/
function loadCommandFile(entry) {
let readPromise = OS.File.read(entry.path);
return readPromise = readPromise.then(array => {
let decoder = new TextDecoder();
let source = decoder.decode(array);
var principal = Cc["@mozilla.org/systemprincipal;1"]
.createInstance(Ci.nsIPrincipal);
let sandbox = new Cu.Sandbox(principal, {
sandboxName: entry.path
});
let data = Cu.evalInSandbox(source, sandbox, "1.8", entry.name, 1);
if (!Array.isArray(data)) {
console.error("Command file '" + entry.name + "' does not have top level array.");
return;
}
return data;
});
}
exports.items = [
{
name: "cmd",
get hidden() {
return !prefBranch.prefHasUserValue(PREF_DIR);
},
description: l10n.lookup("cmdDesc")
},
{
item: "command",
runAt: "client",
name: "cmd refresh",
description: l10n.lookup("cmdRefreshDesc"),
get hidden() {
return !prefBranch.prefHasUserValue(PREF_DIR);
},
exec: function(args, context) {
gcli.load();
let dirName = prefBranch.getComplexValue(PREF_DIR,
Ci.nsISupportsString).data.trim();
return l10n.lookupFormat("cmdStatus3", [ dirName ]);
}
},
{
item: "command",
runAt: "client",
name: "cmd setdir",
description: l10n.lookup("cmdSetdirDesc"),
manual: l10n.lookup("cmdSetdirManual3"),
params: [
{
name: "directory",
description: l10n.lookup("cmdSetdirDirectoryDesc"),
type: {
name: "file",
filetype: "directory",
existing: "yes"
},
defaultValue: null
}
],
returnType: "string",
get hidden() {
return true; // !prefBranch.prefHasUserValue(PREF_DIR);
},
exec: function(args, context) {
supportsString.data = args.directory;
prefBranch.setComplexValue(PREF_DIR, Ci.nsISupportsString, supportsString);
gcli.load();
return l10n.lookupFormat("cmdStatus3", [ args.directory ]);
}
}
];
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