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Code Issues Projects Releases Wiki Activity

Allow asynchronous io.system() calls. Fix :help intro.

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This commit is contained in:
Kris Maglione
2011-08-10 00:00:39 -04:00
parent 9bdb4411af
commit f58f70fd98
3 changed files with 29 additions and 17 deletions
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2
common/content/dactyl.js
View File

@@ -2170,7 +2170,7 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
if (localPrefs.get("first-run", true))
dactyl.timeout(function () {
localPrefs.set("first-run", config.version);
localPrefs.set("first-run", false);
this.withSavedValues(["forceNewTab"], function () {
this.forceNewTab = true;
this.help();

2
common/modules/base.jsm
View File

@@ -616,6 +616,8 @@ function memoize(obj, key, getter) {
let get = __lookupGetter__.call(obj, prop);
if (get)
memoize(res, prop, get);
else if (obj[prop] instanceof Class.Property)
Object.defineProperty(res, prop, obj[prop].init(prop, obj) || obj[prop]);
}
return res;
}

42
common/modules/io.jsm
View File

@@ -427,7 +427,7 @@ var IO = Module("io", {
* @param {File|string} program The program to run.
* @param {[string]} args An array of arguments to pass to *program*.
*/
run: function (program, args, blocking) {
run: function (program, args, blocking, self) {
args = args || [];
let file = this.pathSearch(program);
@@ -447,7 +447,7 @@ var IO = Module("io", {
function () {
if (!process.isRunning) {
timer.cancel();
util.trapErrors(blocking);
util.trapErrors(blocking, self, process.exitValue);
}
},
100, services.Timer.TYPE_REPEATING_SLACK);
@@ -471,12 +471,14 @@ var IO = Module("io", {
*
* @param {string} command The command to run.
* @param {string} input Any input to be provided to the command on stdin.
* @returns {object}
* @param {function(object)} callback A callback to be called when
* the command completes. @optional
* @returns {object|null}
*/
system: function (command, input) {
system: function (command, input, callback) {
util.dactyl.echomsg(_("io.callingShell", command), 4);
function escape(str) '"' + str.replace(/[\\"$]/g, "\\$&") + '"';
function escape(str) '"' + String.replace(str, /[\\"$]/g, "\\$&") + '"';
return this.withTempFiles(function (stdin, stdout, cmd) {
if (input instanceof File)
@@ -484,6 +486,20 @@ var IO = Module("io", {
else if (input)
stdin.write(input);
function result(status, output) ({
__noSuchMethod__: function (meth, args) this.output[meth].apply(this.output, args),
valueOf: function () this.output,
output: output.replace(/^(.*)\n$/, "$1"),
returnValue: status,
toString: function () this.output
});
function async(status) {
let output = stdout.read();
[stdin, stdout, cmd].forEach(function (f) f.exists() && f.remove(false));
callback(result(status, output));
}
let shell = io.pathSearch(storage["options"].get("shell").value);
let shcf = storage["options"].get("shellcmdflag").value;
util.assert(shell, _("error.invalid", "'shell'"));
@@ -494,23 +510,17 @@ var IO = Module("io", {
// TODO: implement 'shellredir'
if (util.OS.isWindows && !/sh/.test(shell.leafName)) {
command = "cd /D " + this.cwd.path + " && " + command + " > " + stdout.path + " 2>&1" + " < " + stdin.path;
var res = this.run(shell, shcf.split(/\s+/).concat(command), true);
var res = this.run(shell, shcf.split(/\s+/).concat(command), callback ? async : true);
}
else {
cmd.write("cd " + escape(this.cwd.path) + "\n" +
["exec", ">" + escape(stdout.path), "2>&1", "<" + escape(stdin.path),
escape(shell.path), shcf, escape(command)].join(" "));
res = this.run("/bin/sh", ["-e", cmd.path], true);
res = this.run("/bin/sh", ["-e", cmd.path], callback ? async : true);
}
return {
__noSuchMethod__: function (meth, args) this.output[meth].apply(this.output, args),
valueOf: function () this.output,
output: stdout.read().replace(/^(.*)\n$/, "$1"),
returnValue: res,
toString: function () this.output
};
}) || "";
return callback ? true : result(res, stdout.read());
}, this, true);
},
/**
@@ -533,7 +543,7 @@ var IO = Module("io", {
}
finally {
if (!checked || res !== true)
args.forEach(function (f) f && f.remove(false));
args.forEach(function (f) f.remove(false));
}
return res;
}