iflrandevu/rsc/scripts/jsdoc/rhino/rhino-shim.js

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/*global env: true, Packages: true */
/**
* @overview A minimal emulation of the standard features of Node.js necessary
* to get JSDoc to run.
*/
/**
* Emulate DOM timeout/interval functions.
* @see https://developer.mozilla.org/en-US/docs/DOM/window#Methods
*/
setTimeout = null,
clearTimeout = null,
setInterval = null,
clearInterval = null;
(function() {
// TODO: tune number of threads if necessary
var timerPool = new java.util.concurrent.ScheduledThreadPoolExecutor(10);
var timers = {};
var timerCount = 1;
var timerUnits = java.util.concurrent.TimeUnit.MILLISECONDS;
function getCallback(fn) {
return new java.lang.Runnable({
run: Packages.org.mozilla.javascript.Context.call(fn)
});
}
setTimeout = function(fn, delay) {
var timerId = timerCount++;
var callback = getCallback(fn);
timers[timerId] = timerPool.schedule(callback, delay, timerUnits);
return timerId;
};
clearTimeout = function(timerId) {
if (timers[timerId]) {
timerPool.remove(timers[timerId]);
delete timers[timerId];
}
};
setInterval = function(fn, delay) {
var timerId = timerCount++;
var callback = getCallback(fn);
timers[timerId] = timerPool.scheduleAtFixedRate(callback, delay, delay, timerUnits);
return timerId;
};
clearInterval = clearTimeout;
})();
/**
* Emulate Node.js console functions.
* @see http://nodejs.org/api/stdio.html
*/
console = (function() {
function println(stream, args) {
java.lang.System[stream].println( require('util').format.apply(this, args) );
}
return {
error: function() {
println('err', arguments);
},
info: function() {
println('out', arguments);
},
log: function() {
println('out', arguments);
},
trace: function(label) {
// this puts some extra junk at the top of the stack trace, but it's close enough
var e = new java.lang.Exception(label || 'Trace');
e.printStackTrace();
},
warn: function() {
println('err', arguments);
}
};
})();
/**
* Emulate Node.js process functions.
* @see http://nodejs.org/api/process.html
*/
process = {
argv: [__dirname + '/jsdoc.js'].concat(Array.prototype.slice.call(arguments, 0)),
cwd: function() {
return new Packages.java.io.File('.').getCanonicalPath() + '';
},
env: (function() {
var result = {};
var env = java.lang.System.getenv();
var keys = env.keySet().toArray();
var key;
for (var i = 0, l = keys.length; i < l; i++) {
key = keys[i];
result[key + ''] = env.get(key) + '';
}
return result;
})(),
exit: function(n) {
n = n || 0;
java.lang.System.exit(n);
},
nextTick: function(callback) {
setTimeout(callback, 0);
},
stderr: {
write: function(str) {
java.lang.System.err.print(str);
}
},
stdout: {
write: function(str) {
java.lang.System.out.print(str);
}
}
};