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Refactor module system from AMD to CommonJS

This commit is contained in:
David Humphrey (:humph) david.humphrey@senecacollege.ca 2014-05-23 14:14:06 -04:00
parent 2d5b01719a
commit 375719b49b
23 changed files with 3607 additions and 5418 deletions
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1741
lib/encoding.js
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129
lib/eventemitter.js
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@ -1,74 +1,71 @@
define(function(require) { // Based on https://github.com/diy/intercom.js/blob/master/lib/events.js
// Copyright 2012 DIY Co Apache License, Version 2.0
// http://www.apache.org/licenses/LICENSE-2.0
// Based on https://github.com/diy/intercom.js/blob/master/lib/events.js function removeItem(item, array) {
// Copyright 2012 DIY Co Apache License, Version 2.0 for (var i = array.length - 1; i >= 0; i--) {
// http://www.apache.org/licenses/LICENSE-2.0 if (array[i] === item) {
array.splice(i, 1);
}
}
return array;
}
function removeItem(item, array) { var EventEmitter = function() {};
for (var i = array.length - 1; i >= 0; i--) {
if (array[i] === item) { EventEmitter.createInterface = function(space) {
array.splice(i, 1); var methods = {};
methods.on = function(name, fn) {
if (typeof this[space] === 'undefined') {
this[space] = {};
}
if (!this[space].hasOwnProperty(name)) {
this[space][name] = [];
}
this[space][name].push(fn);
};
methods.off = function(name, fn) {
if (typeof this[space] === 'undefined') return;
if (this[space].hasOwnProperty(name)) {
removeItem(fn, this[space][name]);
}
};
methods.trigger = function(name) {
if (typeof this[space] !== 'undefined' && this[space].hasOwnProperty(name)) {
var args = Array.prototype.slice.call(arguments, 1);
for (var i = 0; i < this[space][name].length; i++) {
this[space][name][i].apply(this[space][name][i], args);
} }
} }
return array;
}
var EventEmitter = function() {};
EventEmitter.createInterface = function(space) {
var methods = {};
methods.on = function(name, fn) {
if (typeof this[space] === 'undefined') {
this[space] = {};
}
if (!this[space].hasOwnProperty(name)) {
this[space][name] = [];
}
this[space][name].push(fn);
};
methods.off = function(name, fn) {
if (typeof this[space] === 'undefined') return;
if (this[space].hasOwnProperty(name)) {
removeItem(fn, this[space][name]);
}
};
methods.trigger = function(name) {
if (typeof this[space] !== 'undefined' && this[space].hasOwnProperty(name)) {
var args = Array.prototype.slice.call(arguments, 1);
for (var i = 0; i < this[space][name].length; i++) {
this[space][name][i].apply(this[space][name][i], args);
}
}
};
methods.removeAllListeners = function(name) {
if (typeof this[space] === 'undefined') return;
var self = this;
self[space][name].forEach(function(fn) {
self.off(name, fn);
});
};
return methods;
}; };
var pvt = EventEmitter.createInterface('_handlers'); methods.removeAllListeners = function(name) {
EventEmitter.prototype._on = pvt.on; if (typeof this[space] === 'undefined') return;
EventEmitter.prototype._off = pvt.off; var self = this;
EventEmitter.prototype._trigger = pvt.trigger; self[space][name].forEach(function(fn) {
self.off(name, fn);
var pub = EventEmitter.createInterface('handlers'); });
EventEmitter.prototype.on = function() {
pub.on.apply(this, arguments);
Array.prototype.unshift.call(arguments, 'on');
this._trigger.apply(this, arguments);
}; };
EventEmitter.prototype.off = pub.off;
EventEmitter.prototype.trigger = pub.trigger;
EventEmitter.prototype.removeAllListeners = pub.removeAllListeners;
return EventEmitter; return methods;
}); };
var pvt = EventEmitter.createInterface('_handlers');
EventEmitter.prototype._on = pvt.on;
EventEmitter.prototype._off = pvt.off;
EventEmitter.prototype._trigger = pvt.trigger;
var pub = EventEmitter.createInterface('handlers');
EventEmitter.prototype.on = function() {
pub.on.apply(this, arguments);
Array.prototype.unshift.call(arguments, 'on');
this._trigger.apply(this, arguments);
};
EventEmitter.prototype.off = pub.off;
EventEmitter.prototype.trigger = pub.trigger;
EventEmitter.prototype.removeAllListeners = pub.removeAllListeners;
module.exports = EventEmitter;

547
lib/intercom.js
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@ -1,321 +1,318 @@
define(function(require) { // Based on https://github.com/diy/intercom.js/blob/master/lib/intercom.js
// Copyright 2012 DIY Co Apache License, Version 2.0
// http://www.apache.org/licenses/LICENSE-2.0
// Based on https://github.com/diy/intercom.js/blob/master/lib/intercom.js var EventEmitter = require('./eventemitter.js');
// Copyright 2012 DIY Co Apache License, Version 2.0 var guid = require('../src/shared.js').guid;
// http://www.apache.org/licenses/LICENSE-2.0
var EventEmitter = require('eventemitter'); function throttle(delay, fn) {
var guid = require('src/shared').guid; var last = 0;
return function() {
function throttle(delay, fn) {
var last = 0;
return function() {
var now = Date.now();
if (now - last > delay) {
last = now;
fn.apply(this, arguments);
}
};
}
function extend(a, b) {
if (typeof a === 'undefined' || !a) { a = {}; }
if (typeof b === 'object') {
for (var key in b) {
if (b.hasOwnProperty(key)) {
a[key] = b[key];
}
}
}
return a;
}
var localStorage = (function(window) {
if (typeof window === 'undefined' ||
typeof window.localStorage === 'undefined') {
return {
getItem : function() {},
setItem : function() {},
removeItem : function() {}
};
}
return window.localStorage;
}(this));
function Intercom() {
var self = this;
var now = Date.now(); var now = Date.now();
if (now - last > delay) {
last = now;
fn.apply(this, arguments);
}
};
}
this.origin = guid(); function extend(a, b) {
this.lastMessage = now; if (typeof a === 'undefined' || !a) { a = {}; }
this.receivedIDs = {}; if (typeof b === 'object') {
this.previousValues = {}; for (var key in b) {
if (b.hasOwnProperty(key)) {
a[key] = b[key];
}
}
}
return a;
}
var storageHandler = function() { var localStorage = (function(window) {
self._onStorageEvent.apply(self, arguments); if (typeof window === 'undefined' ||
typeof window.localStorage === 'undefined') {
return {
getItem : function() {},
setItem : function() {},
removeItem : function() {}
}; };
}
return window.localStorage;
}(this));
// If we're in node.js, skip event registration function Intercom() {
if (typeof window === 'undefined' || typeof document === 'undefined') { var self = this;
var now = Date.now();
this.origin = guid();
this.lastMessage = now;
this.receivedIDs = {};
this.previousValues = {};
var storageHandler = function() {
self._onStorageEvent.apply(self, arguments);
};
// If we're in node.js, skip event registration
if (typeof window === 'undefined' || typeof document === 'undefined') {
return;
}
if (document.attachEvent) {
document.attachEvent('onstorage', storageHandler);
} else {
window.addEventListener('storage', storageHandler, false);
}
}
Intercom.prototype._transaction = function(fn) {
var TIMEOUT = 1000;
var WAIT = 20;
var self = this;
var executed = false;
var listening = false;
var waitTimer = null;
function lock() {
if (executed) {
return; return;
} }
if (document.attachEvent) { var now = Date.now();
document.attachEvent('onstorage', storageHandler); var activeLock = localStorage.getItem(INDEX_LOCK)|0;
} else { if (activeLock && now - activeLock < TIMEOUT) {
window.addEventListener('storage', storageHandler, false); if (!listening) {
self._on('storage', lock);
listening = true;
}
waitTimer = setTimeout(lock, WAIT);
return;
} }
executed = true;
localStorage.setItem(INDEX_LOCK, now);
fn();
unlock();
} }
Intercom.prototype._transaction = function(fn) { function unlock() {
var TIMEOUT = 1000; if (listening) {
var WAIT = 20; self._off('storage', lock);
var self = this; }
var executed = false; if (waitTimer) {
var listening = false; clearTimeout(waitTimer);
var waitTimer = null; }
localStorage.removeItem(INDEX_LOCK);
}
function lock() { lock();
if (executed) { };
return;
Intercom.prototype._cleanup_emit = throttle(100, function() {
var self = this;
self._transaction(function() {
var now = Date.now();
var threshold = now - THRESHOLD_TTL_EMIT;
var changed = 0;
var messages;
try {
messages = JSON.parse(localStorage.getItem(INDEX_EMIT) || '[]');
} catch(e) {
messages = [];
}
for (var i = messages.length - 1; i >= 0; i--) {
if (messages[i].timestamp < threshold) {
messages.splice(i, 1);
changed++;
} }
}
if (changed > 0) {
localStorage.setItem(INDEX_EMIT, JSON.stringify(messages));
}
});
});
var now = Date.now(); Intercom.prototype._cleanup_once = throttle(100, function() {
var activeLock = localStorage.getItem(INDEX_LOCK)|0; var self = this;
if (activeLock && now - activeLock < TIMEOUT) {
if (!listening) { self._transaction(function() {
self._on('storage', lock); var timestamp, ttl, key;
listening = true; var table;
} var now = Date.now();
waitTimer = setTimeout(lock, WAIT); var changed = 0;
return;
try {
table = JSON.parse(localStorage.getItem(INDEX_ONCE) || '{}');
} catch(e) {
table = {};
}
for (key in table) {
if (self._once_expired(key, table)) {
delete table[key];
changed++;
} }
executed = true;
localStorage.setItem(INDEX_LOCK, now);
fn();
unlock();
} }
function unlock() { if (changed > 0) {
if (listening) { localStorage.setItem(INDEX_ONCE, JSON.stringify(table));
self._off('storage', lock);
}
if (waitTimer) {
clearTimeout(waitTimer);
}
localStorage.removeItem(INDEX_LOCK);
} }
});
});
lock(); Intercom.prototype._once_expired = function(key, table) {
}; if (!table) {
return true;
}
if (!table.hasOwnProperty(key)) {
return true;
}
if (typeof table[key] !== 'object') {
return true;
}
Intercom.prototype._cleanup_emit = throttle(100, function() { var ttl = table[key].ttl || THRESHOLD_TTL_ONCE;
var self = this; var now = Date.now();
var timestamp = table[key].timestamp;
return timestamp < now - ttl;
};
self._transaction(function() { Intercom.prototype._localStorageChanged = function(event, field) {
if (event && event.key) {
return event.key === field;
}
var currentValue = localStorage.getItem(field);
if (currentValue === this.previousValues[field]) {
return false;
}
this.previousValues[field] = currentValue;
return true;
};
Intercom.prototype._onStorageEvent = function(event) {
event = event || window.event;
var self = this;
if (this._localStorageChanged(event, INDEX_EMIT)) {
this._transaction(function() {
var now = Date.now(); var now = Date.now();
var threshold = now - THRESHOLD_TTL_EMIT; var data = localStorage.getItem(INDEX_EMIT);
var changed = 0;
var messages; var messages;
try { try {
messages = JSON.parse(localStorage.getItem(INDEX_EMIT) || '[]'); messages = JSON.parse(data || '[]');
} catch(e) { } catch(e) {
messages = []; messages = [];
} }
for (var i = messages.length - 1; i >= 0; i--) { for (var i = 0; i < messages.length; i++) {
if (messages[i].timestamp < threshold) { if (messages[i].origin === self.origin) continue;
messages.splice(i, 1); if (messages[i].timestamp < self.lastMessage) continue;
changed++; if (messages[i].id) {
if (self.receivedIDs.hasOwnProperty(messages[i].id)) continue;
self.receivedIDs[messages[i].id] = true;
} }
self.trigger(messages[i].name, messages[i].payload);
} }
if (changed > 0) { self.lastMessage = now;
localStorage.setItem(INDEX_EMIT, JSON.stringify(messages));
}
}); });
}
this._trigger('storage', event);
};
Intercom.prototype._emit = function(name, message, id) {
id = (typeof id === 'string' || typeof id === 'number') ? String(id) : null;
if (id && id.length) {
if (this.receivedIDs.hasOwnProperty(id)) return;
this.receivedIDs[id] = true;
}
var packet = {
id : id,
name : name,
origin : this.origin,
timestamp : Date.now(),
payload : message
};
var self = this;
this._transaction(function() {
var data = localStorage.getItem(INDEX_EMIT) || '[]';
var delimiter = (data === '[]') ? '' : ',';
data = [data.substring(0, data.length - 1), delimiter, JSON.stringify(packet), ']'].join('');
localStorage.setItem(INDEX_EMIT, data);
self.trigger(name, message);
setTimeout(function() {
self._cleanup_emit();
}, 50);
}); });
};
Intercom.prototype._cleanup_once = throttle(100, function() { Intercom.prototype.emit = function(name, message) {
var self = this; this._emit.apply(this, arguments);
this._trigger('emit', name, message);
};
self._transaction(function() { Intercom.prototype.once = function(key, fn, ttl) {
var timestamp, ttl, key; if (!Intercom.supported) {
var table; return;
var now = Date.now(); }
var changed = 0;
try { var self = this;
table = JSON.parse(localStorage.getItem(INDEX_ONCE) || '{}'); this._transaction(function() {
} catch(e) { var data;
table = {}; try {
} data = JSON.parse(localStorage.getItem(INDEX_ONCE) || '{}');
for (key in table) { } catch(e) {
if (self._once_expired(key, table)) { data = {};
delete table[key];
changed++;
}
}
if (changed > 0) {
localStorage.setItem(INDEX_ONCE, JSON.stringify(table));
}
});
});
Intercom.prototype._once_expired = function(key, table) {
if (!table) {
return true;
} }
if (!table.hasOwnProperty(key)) { if (!self._once_expired(key, data)) {
return true;
}
if (typeof table[key] !== 'object') {
return true;
}
var ttl = table[key].ttl || THRESHOLD_TTL_ONCE;
var now = Date.now();
var timestamp = table[key].timestamp;
return timestamp < now - ttl;
};
Intercom.prototype._localStorageChanged = function(event, field) {
if (event && event.key) {
return event.key === field;
}
var currentValue = localStorage.getItem(field);
if (currentValue === this.previousValues[field]) {
return false;
}
this.previousValues[field] = currentValue;
return true;
};
Intercom.prototype._onStorageEvent = function(event) {
event = event || window.event;
var self = this;
if (this._localStorageChanged(event, INDEX_EMIT)) {
this._transaction(function() {
var now = Date.now();
var data = localStorage.getItem(INDEX_EMIT);
var messages;
try {
messages = JSON.parse(data || '[]');
} catch(e) {
messages = [];
}
for (var i = 0; i < messages.length; i++) {
if (messages[i].origin === self.origin) continue;
if (messages[i].timestamp < self.lastMessage) continue;
if (messages[i].id) {
if (self.receivedIDs.hasOwnProperty(messages[i].id)) continue;
self.receivedIDs[messages[i].id] = true;
}
self.trigger(messages[i].name, messages[i].payload);
}
self.lastMessage = now;
});
}
this._trigger('storage', event);
};
Intercom.prototype._emit = function(name, message, id) {
id = (typeof id === 'string' || typeof id === 'number') ? String(id) : null;
if (id && id.length) {
if (this.receivedIDs.hasOwnProperty(id)) return;
this.receivedIDs[id] = true;
}
var packet = {
id : id,
name : name,
origin : this.origin,
timestamp : Date.now(),
payload : message
};
var self = this;
this._transaction(function() {
var data = localStorage.getItem(INDEX_EMIT) || '[]';
var delimiter = (data === '[]') ? '' : ',';
data = [data.substring(0, data.length - 1), delimiter, JSON.stringify(packet), ']'].join('');
localStorage.setItem(INDEX_EMIT, data);
self.trigger(name, message);
setTimeout(function() {
self._cleanup_emit();
}, 50);
});
};
Intercom.prototype.emit = function(name, message) {
this._emit.apply(this, arguments);
this._trigger('emit', name, message);
};
Intercom.prototype.once = function(key, fn, ttl) {
if (!Intercom.supported) {
return; return;
} }
var self = this; data[key] = {};
this._transaction(function() { data[key].timestamp = Date.now();
var data; if (typeof ttl === 'number') {
try { data[key].ttl = ttl * 1000;
data = JSON.parse(localStorage.getItem(INDEX_ONCE) || '{}'); }
} catch(e) {
data = {};
}
if (!self._once_expired(key, data)) {
return;
}
data[key] = {}; localStorage.setItem(INDEX_ONCE, JSON.stringify(data));
data[key].timestamp = Date.now(); fn();
if (typeof ttl === 'number') {
data[key].ttl = ttl * 1000;
}
localStorage.setItem(INDEX_ONCE, JSON.stringify(data)); setTimeout(function() {
fn(); self._cleanup_once();
}, 50);
});
};
setTimeout(function() { extend(Intercom.prototype, EventEmitter.prototype);
self._cleanup_once();
}, 50); Intercom.supported = (typeof localStorage !== 'undefined');
});
var INDEX_EMIT = 'intercom';
var INDEX_ONCE = 'intercom_once';
var INDEX_LOCK = 'intercom_lock';
var THRESHOLD_TTL_EMIT = 50000;
var THRESHOLD_TTL_ONCE = 1000 * 3600;
Intercom.destroy = function() {
localStorage.removeItem(INDEX_LOCK);
localStorage.removeItem(INDEX_EMIT);
localStorage.removeItem(INDEX_ONCE);
};
Intercom.getInstance = (function() {
var intercom;
return function() {
if (!intercom) {
intercom = new Intercom();
}
return intercom;
}; };
})();
extend(Intercom.prototype, EventEmitter.prototype); module.exports = Intercom;
Intercom.supported = (typeof localStorage !== 'undefined');
var INDEX_EMIT = 'intercom';
var INDEX_ONCE = 'intercom_once';
var INDEX_LOCK = 'intercom_lock';
var THRESHOLD_TTL_EMIT = 50000;
var THRESHOLD_TTL_ONCE = 1000 * 3600;
Intercom.destroy = function() {
localStorage.removeItem(INDEX_LOCK);
localStorage.removeItem(INDEX_EMIT);
localStorage.removeItem(INDEX_ONCE);
};
Intercom.getInstance = (function() {
var intercom;
return function() {
if (!intercom) {
intercom = new Intercom();
}
return intercom;
};
})();
return Intercom;
});

157
lib/nodash.js
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@ -7,96 +7,91 @@
* Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
* Available under MIT license <http://lodash.com/license> * Available under MIT license <http://lodash.com/license>
*/ */
var ArrayProto = Array.prototype;
var nativeForEach = ArrayProto.forEach;
var nativeIndexOf = ArrayProto.indexOf;
var nativeSome = ArrayProto.some;
define(function(require) { var ObjProto = Object.prototype;
var hasOwnProperty = ObjProto.hasOwnProperty;
var nativeKeys = Object.keys;
var ArrayProto = Array.prototype; var breaker = {};
var nativeForEach = ArrayProto.forEach;
var nativeIndexOf = ArrayProto.indexOf;
var nativeSome = ArrayProto.some;
var ObjProto = Object.prototype; function has(obj, key) {
var hasOwnProperty = ObjProto.hasOwnProperty; return hasOwnProperty.call(obj, key);
var nativeKeys = Object.keys; }
var breaker = {}; var keys = nativeKeys || function(obj) {
if (obj !== Object(obj)) throw new TypeError('Invalid object');
var keys = [];
for (var key in obj) if (has(obj, key)) keys.push(key);
return keys;
};
function has(obj, key) { function size(obj) {
return hasOwnProperty.call(obj, key); if (obj == null) return 0;
} return (obj.length === +obj.length) ? obj.length : keys(obj).length;
}
var keys = nativeKeys || function(obj) { function identity(value) {
if (obj !== Object(obj)) throw new TypeError('Invalid object'); return value;
var keys = []; }
for (var key in obj) if (has(obj, key)) keys.push(key);
return keys;
};
function size(obj) { function each(obj, iterator, context) {
if (obj == null) return 0; var i, length;
return (obj.length === +obj.length) ? obj.length : keys(obj).length; if (obj == null) return;
} if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
function identity(value) { } else if (obj.length === +obj.length) {
return value; for (i = 0, length = obj.length; i < length; i++) {
} if (iterator.call(context, obj[i], i, obj) === breaker) return;
}
function each(obj, iterator, context) { } else {
var i, length; var keys = keys(obj);
if (obj == null) return; for (i = 0, length = keys.length; i < length; i++) {
if (nativeForEach && obj.forEach === nativeForEach) { if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;
obj.forEach(iterator, context);
} else if (obj.length === +obj.length) {
for (i = 0, length = obj.length; i < length; i++) {
if (iterator.call(context, obj[i], i, obj) === breaker) return;
}
} else {
var keys = keys(obj);
for (i = 0, length = keys.length; i < length; i++) {
if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;
}
} }
};
function any(obj, iterator, context) {
iterator || (iterator = identity);
var result = false;
if (obj == null) return result;
if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
each(obj, function(value, index, list) {
if (result || (result = iterator.call(context, value, index, list))) return breaker;
});
return !!result;
};
function contains(obj, target) {
if (obj == null) return false;
if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
return any(obj, function(value) {
return value === target;
});
};
function Wrapped(value) {
this.value = value;
} }
Wrapped.prototype.has = function(key) { };
return has(this.value, key);
};
Wrapped.prototype.contains = function(target) {
return contains(this.value, target);
};
Wrapped.prototype.size = function() {
return size(this.value);
};
function nodash(value) { function any(obj, iterator, context) {
// don't wrap if already wrapped, even if wrapped by a different `lodash` constructor iterator || (iterator = identity);
return (value && typeof value == 'object' && !Array.isArray(value) && hasOwnProperty.call(value, '__wrapped__')) var result = false;
? value if (obj == null) return result;
: new Wrapped(value); if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
} each(obj, function(value, index, list) {
if (result || (result = iterator.call(context, value, index, list))) return breaker;
});
return !!result;
};
return nodash; function contains(obj, target) {
if (obj == null) return false;
if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
return any(obj, function(value) {
return value === target;
});
};
}); function Wrapped(value) {
this.value = value;
}
Wrapped.prototype.has = function(key) {
return has(this.value, key);
};
Wrapped.prototype.contains = function(target) {
return contains(this.value, target);
};
Wrapped.prototype.size = function() {
return size(this.value);
};
function nodash(value) {
// don't wrap if already wrapped, even if wrapped by a different `lodash` constructor
return (value && typeof value == 'object' && !Array.isArray(value) && hasOwnProperty.call(value, '__wrapped__'))
? value
: new Wrapped(value);
}
module.exports = nodash;

31
lib/unzip.js
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@ -1,31 +0,0 @@
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var ca=function(){function a(a){switch(!0){case 3===a:return[257,a-3,0];case 4===a:return[258,a-4,0];case 5===a:return[259,a-5,0];case 6===a:return[260,a-6,0];case 7===a:return[261,a-7,0];case 8===a:return[262,a-8,0];case 9===a:return[263,a-9,0];case 10===a:return[264,a-10,0];case 12>=a:return[265,a-11,1];case 14>=a:return[266,a-13,1];case 16>=a:return[267,a-15,1];case 18>=a:return[268,a-17,1];case 22>=a:return[269,a-19,2];case 26>=a:return[270,a-23,2];case 30>=a:return[271,a-27,2];case 34>=a:return[272,
a-31,2];case 42>=a:return[273,a-35,3];case 50>=a:return[274,a-43,3];case 58>=a:return[275,a-51,3];case 66>=a:return[276,a-59,3];case 82>=a:return[277,a-67,4];case 98>=a:return[278,a-83,4];case 114>=a:return[279,a-99,4];case 130>=a:return[280,a-115,4];case 162>=a:return[281,a-131,5];case 194>=a:return[282,a-163,5];case 226>=a:return[283,a-195,5];case 257>=a:return[284,a-227,5];case 258===a:return[285,a-258,0];default:m("invalid length: "+a)}}var b=[],c,d;for(c=3;258>=c;c++)d=a(c),b[c]=d[2]<<24|d[1]<<
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F.prototype.r=function(){for(;!this.u;){var a=I(this,3);a&1&&(this.u=!0);a>>>=1;switch(a){case 0:var b=this.input,c=this.c,d=this.b,f=this.a,h=b.length,k=q,e=q,g=d.length,l=q;this.d=this.f=0;c+1>=h&&m(Error("invalid uncompressed block header: LEN"));k=b[c++]|b[c++]<<8;c+1>=h&&m(Error("invalid uncompressed block header: NLEN"));e=b[c++]|b[c++]<<8;k===~e&&m(Error("invalid uncompressed block header: length verify"));c+k>b.length&&m(Error("input buffer is broken"));switch(this.n){case H:for(;f+k>d.length;){l=
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function U(a,b){for(var c=a.f,d=a.d,f=a.input,h=a.c,k=f.length,e=b[0],g=b[1],l,p;d<g&&!(h>=k);)c|=f[h++]<<d,d+=8;l=e[c&(1<<g)-1];p=l>>>16;a.f=c>>p;a.d=d-p;a.c=h;return l&65535}
function fa(a){function b(a,b,c){var d,e=this.K,f,g;for(g=0;g<a;)switch(d=U(this,b),d){case 16:for(f=3+I(this,2);f--;)c[g++]=e;break;case 17:for(f=3+I(this,3);f--;)c[g++]=0;e=0;break;case 18:for(f=11+I(this,7);f--;)c[g++]=0;e=0;break;default:e=c[g++]=d}this.K=e;return c}var c=I(a,5)+257,d=I(a,5)+1,f=I(a,4)+4,h=new (w?Uint8Array:Array)(K.length),k,e,g,l;for(l=0;l<f;++l)h[K[l]]=I(a,3);if(!w){l=f;for(f=h.length;l<f;++l)h[K[l]]=0}k=C(h);e=new (w?Uint8Array:Array)(c);g=new (w?Uint8Array:Array)(d);a.K=
0;a.q(C(b.call(a,c,k,e)),C(b.call(a,d,k,g)))}u=F.prototype;u.q=function(a,b){var c=this.b,d=this.a;this.C=a;for(var f=c.length-258,h,k,e,g;256!==(h=U(this,a));)if(256>h)d>=f&&(this.a=d,c=this.e(),d=this.a),c[d++]=h;else{k=h-257;g=M[k];0<O[k]&&(g+=I(this,O[k]));h=U(this,b);e=ia[h];0<P[h]&&(e+=I(this,P[h]));d>=f&&(this.a=d,c=this.e(),d=this.a);for(;g--;)c[d]=c[d++-e]}for(;8<=this.d;)this.d-=8,this.c--;this.a=d};
u.W=function(a,b){var c=this.b,d=this.a;this.C=a;for(var f=c.length,h,k,e,g;256!==(h=U(this,a));)if(256>h)d>=f&&(c=this.e(),f=c.length),c[d++]=h;else{k=h-257;g=M[k];0<O[k]&&(g+=I(this,O[k]));h=U(this,b);e=ia[h];0<P[h]&&(e+=I(this,P[h]));d+g>f&&(c=this.e(),f=c.length);for(;g--;)c[d]=c[d++-e]}for(;8<=this.d;)this.d-=8,this.c--;this.a=d};
u.e=function(){var a=new (w?Uint8Array:Array)(this.a-32768),b=this.a-32768,c,d,f=this.b;if(w)a.set(f.subarray(32768,a.length));else{c=0;for(d=a.length;c<d;++c)a[c]=f[c+32768]}this.l.push(a);this.t+=a.length;if(w)f.set(f.subarray(b,b+32768));else for(c=0;32768>c;++c)f[c]=f[b+c];this.a=32768;return f};
u.X=function(a){var b,c=this.input.length/this.c+1|0,d,f,h,k=this.input,e=this.b;a&&("number"===typeof a.H&&(c=a.H),"number"===typeof a.Q&&(c+=a.Q));2>c?(d=(k.length-this.c)/this.C[2],h=258*(d/2)|0,f=h<e.length?e.length+h:e.length<<1):f=e.length*c;w?(b=new Uint8Array(f),b.set(e)):b=e;return this.b=b};
u.B=function(){var a=0,b=this.b,c=this.l,d,f=new (w?Uint8Array:Array)(this.t+(this.a-32768)),h,k,e,g;if(0===c.length)return w?this.b.subarray(32768,this.a):this.b.slice(32768,this.a);h=0;for(k=c.length;h<k;++h){d=c[h];e=0;for(g=d.length;e<g;++e)f[a++]=d[e]}h=32768;for(k=this.a;h<k;++h)f[a++]=b[h];this.l=[];return this.buffer=f};
u.S=function(){var a,b=this.a;w?this.L?(a=new Uint8Array(b),a.set(this.b.subarray(0,b))):a=this.b.subarray(0,b):(this.b.length>b&&(this.b.length=b),a=this.b);return this.buffer=a};function V(a){a=a||{};this.files=[];this.v=a.comment}V.prototype.M=function(a){this.j=a};V.prototype.s=function(a){var b=a[2]&65535|2;return b*(b^1)>>8&255};V.prototype.k=function(a,b){a[0]=(B[(a[0]^b)&255]^a[0]>>>8)>>>0;a[1]=(6681*(20173*(a[1]+(a[0]&255))>>>0)>>>0)+1>>>0;a[2]=(B[(a[2]^a[1]>>>24)&255]^a[2]>>>8)>>>0};V.prototype.U=function(a){var b=[305419896,591751049,878082192],c,d;w&&(b=new Uint32Array(b));c=0;for(d=a.length;c<d;++c)this.k(b,a[c]&255);return b};function W(a,b){b=b||{};this.input=w&&a instanceof Array?new Uint8Array(a):a;this.c=0;this.ca=b.verify||!1;this.j=b.password}var na={P:0,N:8},X=[80,75,1,2],Y=[80,75,3,4],Z=[80,75,5,6];function oa(a,b){this.input=a;this.offset=b}
oa.prototype.parse=function(){var a=this.input,b=this.offset;(a[b++]!==X[0]||a[b++]!==X[1]||a[b++]!==X[2]||a[b++]!==X[3])&&m(Error("invalid file header signature"));this.version=a[b++];this.ja=a[b++];this.$=a[b++]|a[b++]<<8;this.I=a[b++]|a[b++]<<8;this.A=a[b++]|a[b++]<<8;this.time=a[b++]|a[b++]<<8;this.V=a[b++]|a[b++]<<8;this.p=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.z=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.J=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.h=a[b++]|a[b++]<<
8;this.g=a[b++]|a[b++]<<8;this.F=a[b++]|a[b++]<<8;this.fa=a[b++]|a[b++]<<8;this.ha=a[b++]|a[b++]<<8;this.ga=a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24;this.aa=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.filename=String.fromCharCode.apply(null,w?a.subarray(b,b+=this.h):a.slice(b,b+=this.h));this.Y=w?a.subarray(b,b+=this.g):a.slice(b,b+=this.g);this.v=w?a.subarray(b,b+this.F):a.slice(b,b+this.F);this.length=b-this.offset};function pa(a,b){this.input=a;this.offset=b}var qa={O:1,da:8,ea:2048};
pa.prototype.parse=function(){var a=this.input,b=this.offset;(a[b++]!==Y[0]||a[b++]!==Y[1]||a[b++]!==Y[2]||a[b++]!==Y[3])&&m(Error("invalid local file header signature"));this.$=a[b++]|a[b++]<<8;this.I=a[b++]|a[b++]<<8;this.A=a[b++]|a[b++]<<8;this.time=a[b++]|a[b++]<<8;this.V=a[b++]|a[b++]<<8;this.p=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.z=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.J=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.h=a[b++]|a[b++]<<8;this.g=a[b++]|a[b++]<<8;this.filename=
String.fromCharCode.apply(null,w?a.subarray(b,b+=this.h):a.slice(b,b+=this.h));this.Y=w?a.subarray(b,b+=this.g):a.slice(b,b+=this.g);this.length=b-this.offset};
function $(a){var b=[],c={},d,f,h,k;if(!a.i){if(a.o===q){var e=a.input,g;if(!a.D)a:{var l=a.input,p;for(p=l.length-12;0<p;--p)if(l[p]===Z[0]&&l[p+1]===Z[1]&&l[p+2]===Z[2]&&l[p+3]===Z[3]){a.D=p;break a}m(Error("End of Central Directory Record not found"))}g=a.D;(e[g++]!==Z[0]||e[g++]!==Z[1]||e[g++]!==Z[2]||e[g++]!==Z[3])&&m(Error("invalid signature"));a.ia=e[g++]|e[g++]<<8;a.ka=e[g++]|e[g++]<<8;a.la=e[g++]|e[g++]<<8;a.ba=e[g++]|e[g++]<<8;a.R=(e[g++]|e[g++]<<8|e[g++]<<16|e[g++]<<24)>>>0;a.o=(e[g++]|
e[g++]<<8|e[g++]<<16|e[g++]<<24)>>>0;a.w=e[g++]|e[g++]<<8;a.v=w?e.subarray(g,g+a.w):e.slice(g,g+a.w)}d=a.o;h=0;for(k=a.ba;h<k;++h)f=new oa(a.input,d),f.parse(),d+=f.length,b[h]=f,c[f.filename]=h;a.R<d-a.o&&m(Error("invalid file header size"));a.i=b;a.G=c}}u=W.prototype;u.Z=function(){var a=[],b,c,d;this.i||$(this);d=this.i;b=0;for(c=d.length;b<c;++b)a[b]=d[b].filename;return a};
u.r=function(a,b){var c;this.G||$(this);c=this.G[a];c===q&&m(Error(a+" not found"));var d;d=b||{};var f=this.input,h=this.i,k,e,g,l,p,s,r,A;h||$(this);h[c]===q&&m(Error("wrong index"));e=h[c].aa;k=new pa(this.input,e);k.parse();e+=k.length;g=k.z;if(0!==(k.I&qa.O)){!d.password&&!this.j&&m(Error("please set password"));s=this.T(d.password||this.j);r=e;for(A=e+12;r<A;++r)ra(this,s,f[r]);e+=12;g-=12;r=e;for(A=e+g;r<A;++r)f[r]=ra(this,s,f[r])}switch(k.A){case na.P:l=w?this.input.subarray(e,e+g):this.input.slice(e,
e+g);break;case na.N:l=(new F(this.input,{index:e,bufferSize:k.J})).r();break;default:m(Error("unknown compression type"))}if(this.ca){var t=q,n,N="number"===typeof t?t:t=0,ka=l.length;n=-1;for(N=ka&7;N--;++t)n=n>>>8^B[(n^l[t])&255];for(N=ka>>3;N--;t+=8)n=n>>>8^B[(n^l[t])&255],n=n>>>8^B[(n^l[t+1])&255],n=n>>>8^B[(n^l[t+2])&255],n=n>>>8^B[(n^l[t+3])&255],n=n>>>8^B[(n^l[t+4])&255],n=n>>>8^B[(n^l[t+5])&255],n=n>>>8^B[(n^l[t+6])&255],n=n>>>8^B[(n^l[t+7])&255];p=(n^4294967295)>>>0;k.p!==p&&m(Error("wrong crc: file=0x"+
k.p.toString(16)+", data=0x"+p.toString(16)))}return l};u.M=function(a){this.j=a};function ra(a,b,c){c^=a.s(b);a.k(b,c);return c}u.k=V.prototype.k;u.T=V.prototype.U;u.s=V.prototype.s;v("Zlib.Unzip",W);v("Zlib.Unzip.prototype.decompress",W.prototype.r);v("Zlib.Unzip.prototype.getFilenames",W.prototype.Z);v("Zlib.Unzip.prototype.setPassword",W.prototype.M);}).call(this);

38
lib/zip.js → lib/zip-utils.js
View File

@ -1,3 +1,5 @@
var ZlibNamespace = {};
/** @license zlib.js 2012 - imaya [ https://github.com/imaya/zlib.js ] The MIT License */(function() {'use strict';var n=void 0,y=!0,aa=this;function G(e,b){var a=e.split("."),d=aa;!(a[0]in d)&&d.execScript&&d.execScript("var "+a[0]);for(var c;a.length&&(c=a.shift());)!a.length&&b!==n?d[c]=b:d=d[c]?d[c]:d[c]={}};var H="undefined"!==typeof Uint8Array&&"undefined"!==typeof Uint16Array&&"undefined"!==typeof Uint32Array&&"undefined"!==typeof DataView;function ba(e,b){this.index="number"===typeof b?b:0;this.f=0;this.buffer=e instanceof(H?Uint8Array:Array)?e:new (H?Uint8Array:Array)(32768);if(2*this.buffer.length<=this.index)throw Error("invalid index");this.buffer.length<=this.index&&ca(this)}function ca(e){var b=e.buffer,a,d=b.length,c=new (H?Uint8Array:Array)(d<<1);if(H)c.set(b);else for(a=0;a<d;++a)c[a]=b[a];return e.buffer=c} /** @license zlib.js 2012 - imaya [ https://github.com/imaya/zlib.js ] The MIT License */(function() {'use strict';var n=void 0,y=!0,aa=this;function G(e,b){var a=e.split("."),d=aa;!(a[0]in d)&&d.execScript&&d.execScript("var "+a[0]);for(var c;a.length&&(c=a.shift());)!a.length&&b!==n?d[c]=b:d=d[c]?d[c]:d[c]={}};var H="undefined"!==typeof Uint8Array&&"undefined"!==typeof Uint16Array&&"undefined"!==typeof Uint32Array&&"undefined"!==typeof DataView;function ba(e,b){this.index="number"===typeof b?b:0;this.f=0;this.buffer=e instanceof(H?Uint8Array:Array)?e:new (H?Uint8Array:Array)(32768);if(2*this.buffer.length<=this.index)throw Error("invalid index");this.buffer.length<=this.index&&ca(this)}function ca(e){var b=e.buffer,a,d=b.length,c=new (H?Uint8Array:Array)(d<<1);if(H)c.set(b);else for(a=0;a<d;++a)c[a]=b[a];return e.buffer=c}
ba.prototype.b=function(e,b,a){var d=this.buffer,c=this.index,f=this.f,l=d[c],p;a&&1<b&&(e=8<b?(L[e&255]<<24|L[e>>>8&255]<<16|L[e>>>16&255]<<8|L[e>>>24&255])>>32-b:L[e]>>8-b);if(8>b+f)l=l<<b|e,f+=b;else for(p=0;p<b;++p)l=l<<1|e>>b-p-1&1,8===++f&&(f=0,d[c++]=L[l],l=0,c===d.length&&(d=ca(this)));d[c]=l;this.buffer=d;this.f=f;this.index=c};ba.prototype.finish=function(){var e=this.buffer,b=this.index,a;0<this.f&&(e[b]<<=8-this.f,e[b]=L[e[b]],b++);H?a=e.subarray(0,b):(e.length=b,a=e);return a}; ba.prototype.b=function(e,b,a){var d=this.buffer,c=this.index,f=this.f,l=d[c],p;a&&1<b&&(e=8<b?(L[e&255]<<24|L[e>>>8&255]<<16|L[e>>>16&255]<<8|L[e>>>24&255])>>32-b:L[e]>>8-b);if(8>b+f)l=l<<b|e,f+=b;else for(p=0;p<b;++p)l=l<<1|e>>b-p-1&1,8===++f&&(f=0,d[c++]=L[l],l=0,c===d.length&&(d=ca(this)));d[c]=l;this.buffer=d;this.f=f;this.index=c};ba.prototype.finish=function(){var e=this.buffer,b=this.index,a;0<this.f&&(e[b]<<=8-this.f,e[b]=L[e[b]],b++);H?a=e.subarray(0,b):(e.length=b,a=e);return a};
var da=new (H?Uint8Array:Array)(256),ha;for(ha=0;256>ha;++ha){for(var U=ha,ja=U,ka=7,U=U>>>1;U;U>>>=1)ja<<=1,ja|=U&1,--ka;da[ha]=(ja<<ka&255)>>>0}var L=da;function la(e){var b=n,a,d="number"===typeof b?b:b=0,c=e.length;a=-1;for(d=c&7;d--;++b)a=a>>>8^V[(a^e[b])&255];for(d=c>>3;d--;b+=8)a=a>>>8^V[(a^e[b])&255],a=a>>>8^V[(a^e[b+1])&255],a=a>>>8^V[(a^e[b+2])&255],a=a>>>8^V[(a^e[b+3])&255],a=a>>>8^V[(a^e[b+4])&255],a=a>>>8^V[(a^e[b+5])&255],a=a>>>8^V[(a^e[b+6])&255],a=a>>>8^V[(a^e[b+7])&255];return(a^4294967295)>>>0} var da=new (H?Uint8Array:Array)(256),ha;for(ha=0;256>ha;++ha){for(var U=ha,ja=U,ka=7,U=U>>>1;U;U>>>=1)ja<<=1,ja|=U&1,--ka;da[ha]=(ja<<ka&255)>>>0}var L=da;function la(e){var b=n,a,d="number"===typeof b?b:b=0,c=e.length;a=-1;for(d=c&7;d--;++b)a=a>>>8^V[(a^e[b])&255];for(d=c>>3;d--;b+=8)a=a>>>8^V[(a^e[b])&255],a=a>>>8^V[(a^e[b+1])&255],a=a>>>8^V[(a^e[b+2])&255],a=a>>>8^V[(a^e[b+3])&255],a=a>>>8^V[(a^e[b+4])&255],a=a>>>8^V[(a^e[b+5])&255],a=a>>>8^V[(a^e[b+6])&255],a=a>>>8^V[(a^e[b+7])&255];return(a^4294967295)>>>0}
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var ca=function(){function a(a){switch(!0){case 3===a:return[257,a-3,0];case 4===a:return[258,a-4,0];case 5===a:return[259,a-5,0];case 6===a:return[260,a-6,0];case 7===a:return[261,a-7,0];case 8===a:return[262,a-8,0];case 9===a:return[263,a-9,0];case 10===a:return[264,a-10,0];case 12>=a:return[265,a-11,1];case 14>=a:return[266,a-13,1];case 16>=a:return[267,a-15,1];case 18>=a:return[268,a-17,1];case 22>=a:return[269,a-19,2];case 26>=a:return[270,a-23,2];case 30>=a:return[271,a-27,2];case 34>=a:return[272,
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g-f;k-=l;if(w)d.set(b.subarray(c,c+l),f),f+=l,c+=l;else for(;l--;)d[f++]=b[c++];this.a=f;d=this.e();f=this.a}break;case G:for(;f+k>d.length;)d=this.e({H:2});break;default:m(Error("invalid inflate mode"))}if(w)d.set(b.subarray(c,c+k),f),f+=k,c+=k;else for(;k--;)d[f++]=b[c++];this.c=c;this.a=f;this.b=d;break;case 1:this.q(da,ea);break;case 2:fa(this);break;default:m(Error("unknown BTYPE: "+a))}}return this.B()};
var J=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],K=w?new Uint16Array(J):J,L=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,258,258],M=w?new Uint16Array(L):L,ga=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0],O=w?new Uint8Array(ga):ga,ha=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577],ia=w?new Uint16Array(ha):ha,ja=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,
12,12,13,13],P=w?new Uint8Array(ja):ja,Q=new (w?Uint8Array:Array)(288),R,la;R=0;for(la=Q.length;R<la;++R)Q[R]=143>=R?8:255>=R?9:279>=R?7:8;var da=C(Q),S=new (w?Uint8Array:Array)(30),T,ma;T=0;for(ma=S.length;T<ma;++T)S[T]=5;var ea=C(S);function I(a,b){for(var c=a.f,d=a.d,f=a.input,h=a.c,k=f.length,e;d<b;)h>=k&&m(Error("input buffer is broken")),c|=f[h++]<<d,d+=8;e=c&(1<<b)-1;a.f=c>>>b;a.d=d-b;a.c=h;return e}
function U(a,b){for(var c=a.f,d=a.d,f=a.input,h=a.c,k=f.length,e=b[0],g=b[1],l,p;d<g&&!(h>=k);)c|=f[h++]<<d,d+=8;l=e[c&(1<<g)-1];p=l>>>16;a.f=c>>p;a.d=d-p;a.c=h;return l&65535}
function fa(a){function b(a,b,c){var d,e=this.K,f,g;for(g=0;g<a;)switch(d=U(this,b),d){case 16:for(f=3+I(this,2);f--;)c[g++]=e;break;case 17:for(f=3+I(this,3);f--;)c[g++]=0;e=0;break;case 18:for(f=11+I(this,7);f--;)c[g++]=0;e=0;break;default:e=c[g++]=d}this.K=e;return c}var c=I(a,5)+257,d=I(a,5)+1,f=I(a,4)+4,h=new (w?Uint8Array:Array)(K.length),k,e,g,l;for(l=0;l<f;++l)h[K[l]]=I(a,3);if(!w){l=f;for(f=h.length;l<f;++l)h[K[l]]=0}k=C(h);e=new (w?Uint8Array:Array)(c);g=new (w?Uint8Array:Array)(d);a.K=
0;a.q(C(b.call(a,c,k,e)),C(b.call(a,d,k,g)))}u=F.prototype;u.q=function(a,b){var c=this.b,d=this.a;this.C=a;for(var f=c.length-258,h,k,e,g;256!==(h=U(this,a));)if(256>h)d>=f&&(this.a=d,c=this.e(),d=this.a),c[d++]=h;else{k=h-257;g=M[k];0<O[k]&&(g+=I(this,O[k]));h=U(this,b);e=ia[h];0<P[h]&&(e+=I(this,P[h]));d>=f&&(this.a=d,c=this.e(),d=this.a);for(;g--;)c[d]=c[d++-e]}for(;8<=this.d;)this.d-=8,this.c--;this.a=d};
u.W=function(a,b){var c=this.b,d=this.a;this.C=a;for(var f=c.length,h,k,e,g;256!==(h=U(this,a));)if(256>h)d>=f&&(c=this.e(),f=c.length),c[d++]=h;else{k=h-257;g=M[k];0<O[k]&&(g+=I(this,O[k]));h=U(this,b);e=ia[h];0<P[h]&&(e+=I(this,P[h]));d+g>f&&(c=this.e(),f=c.length);for(;g--;)c[d]=c[d++-e]}for(;8<=this.d;)this.d-=8,this.c--;this.a=d};
u.e=function(){var a=new (w?Uint8Array:Array)(this.a-32768),b=this.a-32768,c,d,f=this.b;if(w)a.set(f.subarray(32768,a.length));else{c=0;for(d=a.length;c<d;++c)a[c]=f[c+32768]}this.l.push(a);this.t+=a.length;if(w)f.set(f.subarray(b,b+32768));else for(c=0;32768>c;++c)f[c]=f[b+c];this.a=32768;return f};
u.X=function(a){var b,c=this.input.length/this.c+1|0,d,f,h,k=this.input,e=this.b;a&&("number"===typeof a.H&&(c=a.H),"number"===typeof a.Q&&(c+=a.Q));2>c?(d=(k.length-this.c)/this.C[2],h=258*(d/2)|0,f=h<e.length?e.length+h:e.length<<1):f=e.length*c;w?(b=new Uint8Array(f),b.set(e)):b=e;return this.b=b};
u.B=function(){var a=0,b=this.b,c=this.l,d,f=new (w?Uint8Array:Array)(this.t+(this.a-32768)),h,k,e,g;if(0===c.length)return w?this.b.subarray(32768,this.a):this.b.slice(32768,this.a);h=0;for(k=c.length;h<k;++h){d=c[h];e=0;for(g=d.length;e<g;++e)f[a++]=d[e]}h=32768;for(k=this.a;h<k;++h)f[a++]=b[h];this.l=[];return this.buffer=f};
u.S=function(){var a,b=this.a;w?this.L?(a=new Uint8Array(b),a.set(this.b.subarray(0,b))):a=this.b.subarray(0,b):(this.b.length>b&&(this.b.length=b),a=this.b);return this.buffer=a};function V(a){a=a||{};this.files=[];this.v=a.comment}V.prototype.M=function(a){this.j=a};V.prototype.s=function(a){var b=a[2]&65535|2;return b*(b^1)>>8&255};V.prototype.k=function(a,b){a[0]=(B[(a[0]^b)&255]^a[0]>>>8)>>>0;a[1]=(6681*(20173*(a[1]+(a[0]&255))>>>0)>>>0)+1>>>0;a[2]=(B[(a[2]^a[1]>>>24)&255]^a[2]>>>8)>>>0};V.prototype.U=function(a){var b=[305419896,591751049,878082192],c,d;w&&(b=new Uint32Array(b));c=0;for(d=a.length;c<d;++c)this.k(b,a[c]&255);return b};function W(a,b){b=b||{};this.input=w&&a instanceof Array?new Uint8Array(a):a;this.c=0;this.ca=b.verify||!1;this.j=b.password}var na={P:0,N:8},X=[80,75,1,2],Y=[80,75,3,4],Z=[80,75,5,6];function oa(a,b){this.input=a;this.offset=b}
oa.prototype.parse=function(){var a=this.input,b=this.offset;(a[b++]!==X[0]||a[b++]!==X[1]||a[b++]!==X[2]||a[b++]!==X[3])&&m(Error("invalid file header signature"));this.version=a[b++];this.ja=a[b++];this.$=a[b++]|a[b++]<<8;this.I=a[b++]|a[b++]<<8;this.A=a[b++]|a[b++]<<8;this.time=a[b++]|a[b++]<<8;this.V=a[b++]|a[b++]<<8;this.p=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.z=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.J=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.h=a[b++]|a[b++]<<
8;this.g=a[b++]|a[b++]<<8;this.F=a[b++]|a[b++]<<8;this.fa=a[b++]|a[b++]<<8;this.ha=a[b++]|a[b++]<<8;this.ga=a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24;this.aa=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.filename=String.fromCharCode.apply(null,w?a.subarray(b,b+=this.h):a.slice(b,b+=this.h));this.Y=w?a.subarray(b,b+=this.g):a.slice(b,b+=this.g);this.v=w?a.subarray(b,b+this.F):a.slice(b,b+this.F);this.length=b-this.offset};function pa(a,b){this.input=a;this.offset=b}var qa={O:1,da:8,ea:2048};
pa.prototype.parse=function(){var a=this.input,b=this.offset;(a[b++]!==Y[0]||a[b++]!==Y[1]||a[b++]!==Y[2]||a[b++]!==Y[3])&&m(Error("invalid local file header signature"));this.$=a[b++]|a[b++]<<8;this.I=a[b++]|a[b++]<<8;this.A=a[b++]|a[b++]<<8;this.time=a[b++]|a[b++]<<8;this.V=a[b++]|a[b++]<<8;this.p=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.z=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.J=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.h=a[b++]|a[b++]<<8;this.g=a[b++]|a[b++]<<8;this.filename=
String.fromCharCode.apply(null,w?a.subarray(b,b+=this.h):a.slice(b,b+=this.h));this.Y=w?a.subarray(b,b+=this.g):a.slice(b,b+=this.g);this.length=b-this.offset};
function $(a){var b=[],c={},d,f,h,k;if(!a.i){if(a.o===q){var e=a.input,g;if(!a.D)a:{var l=a.input,p;for(p=l.length-12;0<p;--p)if(l[p]===Z[0]&&l[p+1]===Z[1]&&l[p+2]===Z[2]&&l[p+3]===Z[3]){a.D=p;break a}m(Error("End of Central Directory Record not found"))}g=a.D;(e[g++]!==Z[0]||e[g++]!==Z[1]||e[g++]!==Z[2]||e[g++]!==Z[3])&&m(Error("invalid signature"));a.ia=e[g++]|e[g++]<<8;a.ka=e[g++]|e[g++]<<8;a.la=e[g++]|e[g++]<<8;a.ba=e[g++]|e[g++]<<8;a.R=(e[g++]|e[g++]<<8|e[g++]<<16|e[g++]<<24)>>>0;a.o=(e[g++]|
e[g++]<<8|e[g++]<<16|e[g++]<<24)>>>0;a.w=e[g++]|e[g++]<<8;a.v=w?e.subarray(g,g+a.w):e.slice(g,g+a.w)}d=a.o;h=0;for(k=a.ba;h<k;++h)f=new oa(a.input,d),f.parse(),d+=f.length,b[h]=f,c[f.filename]=h;a.R<d-a.o&&m(Error("invalid file header size"));a.i=b;a.G=c}}u=W.prototype;u.Z=function(){var a=[],b,c,d;this.i||$(this);d=this.i;b=0;for(c=d.length;b<c;++b)a[b]=d[b].filename;return a};
u.r=function(a,b){var c;this.G||$(this);c=this.G[a];c===q&&m(Error(a+" not found"));var d;d=b||{};var f=this.input,h=this.i,k,e,g,l,p,s,r,A;h||$(this);h[c]===q&&m(Error("wrong index"));e=h[c].aa;k=new pa(this.input,e);k.parse();e+=k.length;g=k.z;if(0!==(k.I&qa.O)){!d.password&&!this.j&&m(Error("please set password"));s=this.T(d.password||this.j);r=e;for(A=e+12;r<A;++r)ra(this,s,f[r]);e+=12;g-=12;r=e;for(A=e+g;r<A;++r)f[r]=ra(this,s,f[r])}switch(k.A){case na.P:l=w?this.input.subarray(e,e+g):this.input.slice(e,
e+g);break;case na.N:l=(new F(this.input,{index:e,bufferSize:k.J})).r();break;default:m(Error("unknown compression type"))}if(this.ca){var t=q,n,N="number"===typeof t?t:t=0,ka=l.length;n=-1;for(N=ka&7;N--;++t)n=n>>>8^B[(n^l[t])&255];for(N=ka>>3;N--;t+=8)n=n>>>8^B[(n^l[t])&255],n=n>>>8^B[(n^l[t+1])&255],n=n>>>8^B[(n^l[t+2])&255],n=n>>>8^B[(n^l[t+3])&255],n=n>>>8^B[(n^l[t+4])&255],n=n>>>8^B[(n^l[t+5])&255],n=n>>>8^B[(n^l[t+6])&255],n=n>>>8^B[(n^l[t+7])&255];p=(n^4294967295)>>>0;k.p!==p&&m(Error("wrong crc: file=0x"+
k.p.toString(16)+", data=0x"+p.toString(16)))}return l};u.M=function(a){this.j=a};function ra(a,b,c){c^=a.s(b);a.k(b,c);return c}u.k=V.prototype.k;u.T=V.prototype.U;u.s=V.prototype.s;v("Zlib.Unzip",W);v("Zlib.Unzip.prototype.decompress",W.prototype.r);v("Zlib.Unzip.prototype.getFilenames",W.prototype.Z);v("Zlib.Unzip.prototype.setPassword",W.prototype.M);}).call(ZlibNamespace);
module.exports = ZlibNamespace;

2
package.json
View File

@ -51,5 +51,5 @@
"mocha": "~1.18.2", "mocha": "~1.18.2",
"requirejs": "~2.1.11" "requirejs": "~2.1.11"
}, },
"main": "dist/filer_node.js" "main": "./src/index.js"
} }

130
src/constants.js
View File

@ -1,83 +1,79 @@
define(function(require) { var O_READ = 'READ';
var O_WRITE = 'WRITE';
var O_CREATE = 'CREATE';
var O_EXCLUSIVE = 'EXCLUSIVE';
var O_TRUNCATE = 'TRUNCATE';
var O_APPEND = 'APPEND';
var XATTR_CREATE = 'CREATE';
var XATTR_REPLACE = 'REPLACE';
var O_READ = 'READ'; module.exports = {
var O_WRITE = 'WRITE'; FILE_SYSTEM_NAME: 'local',
var O_CREATE = 'CREATE';
var O_EXCLUSIVE = 'EXCLUSIVE';
var O_TRUNCATE = 'TRUNCATE';
var O_APPEND = 'APPEND';
var XATTR_CREATE = 'CREATE';
var XATTR_REPLACE = 'REPLACE';
return { FILE_STORE_NAME: 'files',
FILE_SYSTEM_NAME: 'local',
FILE_STORE_NAME: 'files', IDB_RO: 'readonly',
IDB_RW: 'readwrite',
IDB_RO: 'readonly', WSQL_VERSION: "1",
IDB_RW: 'readwrite', WSQL_SIZE: 5 * 1024 * 1024,
WSQL_DESC: "FileSystem Storage",
WSQL_VERSION: "1", MODE_FILE: 'FILE',
WSQL_SIZE: 5 * 1024 * 1024, MODE_DIRECTORY: 'DIRECTORY',
WSQL_DESC: "FileSystem Storage", MODE_SYMBOLIC_LINK: 'SYMLINK',
MODE_META: 'META',
MODE_FILE: 'FILE', SYMLOOP_MAX: 10,
MODE_DIRECTORY: 'DIRECTORY',
MODE_SYMBOLIC_LINK: 'SYMLINK',
MODE_META: 'META',
SYMLOOP_MAX: 10, BINARY_MIME_TYPE: 'application/octet-stream',
JSON_MIME_TYPE: 'application/json',
BINARY_MIME_TYPE: 'application/octet-stream', ROOT_DIRECTORY_NAME: '/', // basename(normalize(path))
JSON_MIME_TYPE: 'application/json',
ROOT_DIRECTORY_NAME: '/', // basename(normalize(path)) // FS Mount Flags
FS_FORMAT: 'FORMAT',
FS_NOCTIME: 'NOCTIME',
FS_NOMTIME: 'NOMTIME',
// FS Mount Flags // FS File Open Flags
FS_FORMAT: 'FORMAT', O_READ: O_READ,
FS_NOCTIME: 'NOCTIME', O_WRITE: O_WRITE,
FS_NOMTIME: 'NOMTIME', O_CREATE: O_CREATE,
O_EXCLUSIVE: O_EXCLUSIVE,
O_TRUNCATE: O_TRUNCATE,
O_APPEND: O_APPEND,
// FS File Open Flags O_FLAGS: {
O_READ: O_READ, 'r': [O_READ],
O_WRITE: O_WRITE, 'r+': [O_READ, O_WRITE],
O_CREATE: O_CREATE, 'w': [O_WRITE, O_CREATE, O_TRUNCATE],
O_EXCLUSIVE: O_EXCLUSIVE, 'w+': [O_WRITE, O_READ, O_CREATE, O_TRUNCATE],
O_TRUNCATE: O_TRUNCATE, 'wx': [O_WRITE, O_CREATE, O_EXCLUSIVE, O_TRUNCATE],
O_APPEND: O_APPEND, 'wx+': [O_WRITE, O_READ, O_CREATE, O_EXCLUSIVE, O_TRUNCATE],
'a': [O_WRITE, O_CREATE, O_APPEND],
'a+': [O_WRITE, O_READ, O_CREATE, O_APPEND],
'ax': [O_WRITE, O_CREATE, O_EXCLUSIVE, O_APPEND],
'ax+': [O_WRITE, O_READ, O_CREATE, O_EXCLUSIVE, O_APPEND]
},
O_FLAGS: { XATTR_CREATE: XATTR_CREATE,
'r': [O_READ], XATTR_REPLACE: XATTR_REPLACE,
'r+': [O_READ, O_WRITE],
'w': [O_WRITE, O_CREATE, O_TRUNCATE],
'w+': [O_WRITE, O_READ, O_CREATE, O_TRUNCATE],
'wx': [O_WRITE, O_CREATE, O_EXCLUSIVE, O_TRUNCATE],
'wx+': [O_WRITE, O_READ, O_CREATE, O_EXCLUSIVE, O_TRUNCATE],
'a': [O_WRITE, O_CREATE, O_APPEND],
'a+': [O_WRITE, O_READ, O_CREATE, O_APPEND],
'ax': [O_WRITE, O_CREATE, O_EXCLUSIVE, O_APPEND],
'ax+': [O_WRITE, O_READ, O_CREATE, O_EXCLUSIVE, O_APPEND]
},
XATTR_CREATE: XATTR_CREATE, FS_READY: 'READY',
XATTR_REPLACE: XATTR_REPLACE, FS_PENDING: 'PENDING',
FS_ERROR: 'ERROR',
FS_READY: 'READY', SUPER_NODE_ID: '00000000-0000-0000-0000-000000000000',
FS_PENDING: 'PENDING',
FS_ERROR: 'ERROR',
SUPER_NODE_ID: '00000000-0000-0000-0000-000000000000', // Reserved File Descriptors for streams
STDIN: 0,
STDOUT: 1,
STDERR: 2,
FIRST_DESCRIPTOR: 3,
// Reserved File Descriptors for streams ENVIRONMENT: {
STDIN: 0, TMP: '/tmp',
STDOUT: 1, PATH: ''
STDERR: 2, }
FIRST_DESCRIPTOR: 3, };
ENVIRONMENT: {
TMP: '/tmp',
PATH: ''
}
};
});

12
src/directory-entry.js
View File

@ -1,8 +1,6 @@
define(['src/constants'], function(Constants) { var MODE_FILE = require('./constants.js').MODE_FILE;
return function DirectoryEntry(id, type) { module.exports = function DirectoryEntry(id, type) {
this.id = id; this.id = id;
this.type = type || Constants.MODE_FILE; this.type = type || MODE_FILE;
}; };
});

178
src/errors.js
View File

@ -1,94 +1,92 @@
define(function(require) { var errors = {};
var errors = {}; [
[ /**
/** * node.js errors
* node.js errors */
*/ '-1:UNKNOWN:unknown error',
'-1:UNKNOWN:unknown error', '0:OK:success',
'0:OK:success', '1:EOF:end of file',
'1:EOF:end of file', '2:EADDRINFO:getaddrinfo error',
'2:EADDRINFO:getaddrinfo error', '3:EACCES:permission denied',
'3:EACCES:permission denied', '4:EAGAIN:resource temporarily unavailable',
'4:EAGAIN:resource temporarily unavailable', '5:EADDRINUSE:address already in use',
'5:EADDRINUSE:address already in use', '6:EADDRNOTAVAIL:address not available',
'6:EADDRNOTAVAIL:address not available', '7:EAFNOSUPPORT:address family not supported',
'7:EAFNOSUPPORT:address family not supported', '8:EALREADY:connection already in progress',
'8:EALREADY:connection already in progress', '9:EBADF:bad file descriptor',
'9:EBADF:bad file descriptor', '10:EBUSY:resource busy or locked',
'10:EBUSY:resource busy or locked', '11:ECONNABORTED:software caused connection abort',
'11:ECONNABORTED:software caused connection abort', '12:ECONNREFUSED:connection refused',
'12:ECONNREFUSED:connection refused', '13:ECONNRESET:connection reset by peer',
'13:ECONNRESET:connection reset by peer', '14:EDESTADDRREQ:destination address required',
'14:EDESTADDRREQ:destination address required', '15:EFAULT:bad address in system call argument',
'15:EFAULT:bad address in system call argument', '16:EHOSTUNREACH:host is unreachable',
'16:EHOSTUNREACH:host is unreachable', '17:EINTR:interrupted system call',
'17:EINTR:interrupted system call', '18:EINVAL:invalid argument',
'18:EINVAL:invalid argument', '19:EISCONN:socket is already connected',
'19:EISCONN:socket is already connected', '20:EMFILE:too many open files',
'20:EMFILE:too many open files', '21:EMSGSIZE:message too long',
'21:EMSGSIZE:message too long', '22:ENETDOWN:network is down',
'22:ENETDOWN:network is down', '23:ENETUNREACH:network is unreachable',
'23:ENETUNREACH:network is unreachable', '24:ENFILE:file table overflow',
'24:ENFILE:file table overflow', '25:ENOBUFS:no buffer space available',
'25:ENOBUFS:no buffer space available', '26:ENOMEM:not enough memory',
'26:ENOMEM:not enough memory', '27:ENOTDIR:not a directory',
'27:ENOTDIR:not a directory', '28:EISDIR:illegal operation on a directory',
'28:EISDIR:illegal operation on a directory', '29:ENONET:machine is not on the network',
'29:ENONET:machine is not on the network', // errno 30 skipped, as per https://github.com/rvagg/node-errno/blob/master/errno.js
// errno 30 skipped, as per https://github.com/rvagg/node-errno/blob/master/errno.js '31:ENOTCONN:socket is not connected',
'31:ENOTCONN:socket is not connected', '32:ENOTSOCK:socket operation on non-socket',
'32:ENOTSOCK:socket operation on non-socket', '33:ENOTSUP:operation not supported on socket',
'33:ENOTSUP:operation not supported on socket', '34:ENOENT:no such file or directory',
'34:ENOENT:no such file or directory', '35:ENOSYS:function not implemented',
'35:ENOSYS:function not implemented', '36:EPIPE:broken pipe',
'36:EPIPE:broken pipe', '37:EPROTO:protocol error',
'37:EPROTO:protocol error', '38:EPROTONOSUPPORT:protocol not supported',
'38:EPROTONOSUPPORT:protocol not supported', '39:EPROTOTYPE:protocol wrong type for socket',
'39:EPROTOTYPE:protocol wrong type for socket', '40:ETIMEDOUT:connection timed out',
'40:ETIMEDOUT:connection timed out', '41:ECHARSET:invalid Unicode character',
'41:ECHARSET:invalid Unicode character', '42:EAIFAMNOSUPPORT:address family for hostname not supported',
'42:EAIFAMNOSUPPORT:address family for hostname not supported', // errno 43 skipped, as per https://github.com/rvagg/node-errno/blob/master/errno.js
// errno 43 skipped, as per https://github.com/rvagg/node-errno/blob/master/errno.js '44:EAISERVICE:servname not supported for ai_socktype',
'44:EAISERVICE:servname not supported for ai_socktype', '45:EAISOCKTYPE:ai_socktype not supported',
'45:EAISOCKTYPE:ai_socktype not supported', '46:ESHUTDOWN:cannot send after transport endpoint shutdown',
'46:ESHUTDOWN:cannot send after transport endpoint shutdown', '47:EEXIST:file already exists',
'47:EEXIST:file already exists', '48:ESRCH:no such process',
'48:ESRCH:no such process', '49:ENAMETOOLONG:name too long',
'49:ENAMETOOLONG:name too long', '50:EPERM:operation not permitted',
'50:EPERM:operation not permitted', '51:ELOOP:too many symbolic links encountered',
'51:ELOOP:too many symbolic links encountered', '52:EXDEV:cross-device link not permitted',
'52:EXDEV:cross-device link not permitted', '53:ENOTEMPTY:directory not empty',
'53:ENOTEMPTY:directory not empty', '54:ENOSPC:no space left on device',
'54:ENOSPC:no space left on device', '55:EIO:i/o error',
'55:EIO:i/o error', '56:EROFS:read-only file system',
'56:EROFS:read-only file system', '57:ENODEV:no such device',
'57:ENODEV:no such device', '58:ESPIPE:invalid seek',
'58:ESPIPE:invalid seek', '59:ECANCELED:operation canceled',
'59:ECANCELED:operation canceled',
/** /**
* Filer specific errors * Filer specific errors
*/ */
'1000:ENOTMOUNTED:not mounted', '1000:ENOTMOUNTED:not mounted',
'1001:EFILESYSTEMERROR:missing super node, use \'FORMAT\' flag to format filesystem.', '1001:EFILESYSTEMERROR:missing super node, use \'FORMAT\' flag to format filesystem.',
'1002:ENOATTR:attribute does not exist' '1002:ENOATTR:attribute does not exist'
].forEach(function(e) { ].forEach(function(e) {
e = e.split(':'); e = e.split(':');
var errno = e[0], var errno = e[0],
err = e[1], err = e[1],
message = e[2]; message = e[2];
function ctor(m) { function ctor(m) {
this.message = m || message; this.message = m || message;
} }
var proto = ctor.prototype = new Error(); var proto = ctor.prototype = new Error();
proto.errno = errno; proto.errno = errno;
proto.code = err; proto.code = err;
proto.constructor = ctor; proto.constructor = ctor;
// We expose the error as both Errors.EINVAL and Errors[18] // We expose the error as both Errors.EINVAL and Errors[18]
errors[err] = errors[errno] = ctor; errors[err] = errors[errno] = ctor;
});
return errors;
}); });
module.exports = errors;

3663
src/filesystem/implementation.js
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534
src/filesystem/interface.js
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@ -1,302 +1,302 @@
define(function(require) { var _ = require('../../lib/nodash.js');
var _ = require('nodash'); var isNullPath = require('../path.js').isNull;
var nop = require('../shared.js').nop;
var isNullPath = require('src/path').isNull; var Constants = require('../constants.js');
var nop = require('src/shared').nop; var FILE_SYSTEM_NAME = Constants.FILE_SYSTEM_NAME;
var FS_FORMAT = Constants.FS_FORMAT;
var FS_READY = Constants.FS_READY;
var FS_PENDING = Constants.FS_PENDING;
var FS_ERROR = Constants.FS_ERROR;
var FILE_SYSTEM_NAME = require('src/constants').FILE_SYSTEM_NAME; // TODO: fix adapters + providers for node.js...
var FS_FORMAT = require('src/constants').FS_FORMAT; //var providers = require('../providers/providers.js');
var FS_READY = require('src/constants').FS_READY; var providers = {};
var FS_PENDING = require('src/constants').FS_PENDING; //var adapters = require('../adapters/adapters.js');
var FS_ERROR = require('src/constants').FS_ERROR; var adapters = {};
var providers = require('src/providers/providers'); var Shell = require('../shell/shell.js');
var adapters = require('src/adapters/adapters'); var Intercom = require('../../lib/intercom.js');
var FSWatcher = require('../fs-watcher.js');
var Errors = require('../errors.js');
var Shell = require('src/shell/shell'); var STDIN = Constants.STDIN;
var Intercom = require('intercom'); var STDOUT = Constants.STDOUT;
var FSWatcher = require('src/fs-watcher'); var STDERR = Constants.STDERR;
var Errors = require('src/errors'); var FIRST_DESCRIPTOR = Constants.FIRST_DESCRIPTOR;
var STDIN = require('src/constants').STDIN;
var STDOUT = require('src/constants').STDOUT;
var STDERR = require('src/constants').STDERR;
var FIRST_DESCRIPTOR = require('src/constants').FIRST_DESCRIPTOR;
// The core fs operations live on impl // The core fs operations live on impl
var impl = require('src/filesystem/implementation'); var impl = require('./implementation.js');
// node.js supports a calling pattern that leaves off a callback. // node.js supports a calling pattern that leaves off a callback.
function maybeCallback(callback) { function maybeCallback(callback) {
if(typeof callback === "function") { if(typeof callback === "function") {
return callback; return callback;
}
return function(err) {
if(err) {
throw err;
}
};
} }
return function(err) {
if(err) {
throw err;
}
};
}
/** /**
* FileSystem * FileSystem
* *
* A FileSystem takes an `options` object, which can specify a number of, * A FileSystem takes an `options` object, which can specify a number of,
* options. All options are optional, and include: * options. All options are optional, and include:
* *
* name: the name of the file system, defaults to "local" * name: the name of the file system, defaults to "local"
* *
* flags: one or more flags to use when creating/opening the file system. * flags: one or more flags to use when creating/opening the file system.
* For example: "FORMAT" will cause the file system to be formatted. * For example: "FORMAT" will cause the file system to be formatted.
* No explicit flags are set by default. * No explicit flags are set by default.
* *
* provider: an explicit storage provider to use for the file * provider: an explicit storage provider to use for the file
* system's database context provider. A number of context * system's database context provider. A number of context
* providers are included (see /src/providers), and users * providers are included (see /src/providers), and users
* can write one of their own and pass it in to be used. * can write one of their own and pass it in to be used.
* By default an IndexedDB provider is used. * By default an IndexedDB provider is used.
* *
* callback: a callback function to be executed when the file system becomes * callback: a callback function to be executed when the file system becomes
* ready for use. Depending on the context provider used, this might * ready for use. Depending on the context provider used, this might
* be right away, or could take some time. The callback should expect * be right away, or could take some time. The callback should expect
* an `error` argument, which will be null if everything worked. Also * an `error` argument, which will be null if everything worked. Also
* users should check the file system's `readyState` and `error` * users should check the file system's `readyState` and `error`
* properties to make sure it is usable. * properties to make sure it is usable.
*/ */
function FileSystem(options, callback) { function FileSystem(options, callback) {
options = options || {}; options = options || {};
callback = callback || nop; callback = callback || nop;
var flags = options.flags; var flags = options.flags;
var provider = options.provider || new providers.Default(options.name || FILE_SYSTEM_NAME); var provider = options.provider || new providers.Default(options.name || FILE_SYSTEM_NAME);
// If we're given a provider, match its name unless we get an explicit name // If we're given a provider, match its name unless we get an explicit name
var name = options.name || provider.name; var name = options.name || provider.name;
var forceFormatting = _(flags).contains(FS_FORMAT); var forceFormatting = _(flags).contains(FS_FORMAT);
var fs = this; var fs = this;
fs.readyState = FS_PENDING; fs.readyState = FS_PENDING;
fs.name = name; fs.name = name;
fs.error = null; fs.error = null;
fs.stdin = STDIN; fs.stdin = STDIN;
fs.stdout = STDOUT; fs.stdout = STDOUT;
fs.stderr = STDERR; fs.stderr = STDERR;
// Safely expose the list of open files and file // Safely expose the list of open files and file
// descriptor management functions // descriptor management functions
var openFiles = {}; var openFiles = {};
var nextDescriptor = FIRST_DESCRIPTOR; var nextDescriptor = FIRST_DESCRIPTOR;
Object.defineProperty(this, "openFiles", { Object.defineProperty(this, "openFiles", {
get: function() { return openFiles; } get: function() { return openFiles; }
}); });
this.allocDescriptor = function(openFileDescription) { this.allocDescriptor = function(openFileDescription) {
var fd = nextDescriptor ++; var fd = nextDescriptor ++;
openFiles[fd] = openFileDescription; openFiles[fd] = openFileDescription;
return fd; return fd;
}; };
this.releaseDescriptor = function(fd) { this.releaseDescriptor = function(fd) {
delete openFiles[fd]; delete openFiles[fd];
}; };
// Safely expose the operation queue // Safely expose the operation queue
var queue = []; var queue = [];
this.queueOrRun = function(operation) { this.queueOrRun = function(operation) {
var error; var error;
if(FS_READY == fs.readyState) { if(FS_READY == fs.readyState) {
operation.call(fs); operation.call(fs);
} else if(FS_ERROR == fs.readyState) { } else if(FS_ERROR == fs.readyState) {
error = new Errors.EFILESYSTEMERROR('unknown error'); error = new Errors.EFILESYSTEMERROR('unknown error');
} else { } else {
queue.push(operation); queue.push(operation);
}
return error;
};
function runQueued() {
queue.forEach(function(operation) {
operation.call(this);
}.bind(fs));
queue = null;
} }
// We support the optional `options` arg from node, but ignore it return error;
this.watch = function(filename, options, listener) { };
if(isNullPath(filename)) { function runQueued() {
throw new Error('Path must be a string without null bytes.'); queue.forEach(function(operation) {
} operation.call(this);
if(typeof options === 'function') { }.bind(fs));
listener = options; queue = null;
options = {}; }
}
options = options || {};
listener = listener || nop;
var watcher = new FSWatcher(); // We support the optional `options` arg from node, but ignore it
watcher.start(filename, false, options.recursive); this.watch = function(filename, options, listener) {
watcher.on('change', listener); if(isNullPath(filename)) {
throw new Error('Path must be a string without null bytes.');
return watcher;
};
// Let other instances (in this or other windows) know about
// any changes to this fs instance.
function broadcastChanges(changes) {
if(!changes.length) {
return;
}
var intercom = Intercom.getInstance();
changes.forEach(function(change) {
intercom.emit(change.event, change.path);
});
} }
if(typeof options === 'function') {
listener = options;
options = {};
}
options = options || {};
listener = listener || nop;
// Open file system storage provider var watcher = new FSWatcher();
provider.open(function(err, needsFormatting) { watcher.start(filename, false, options.recursive);
function complete(error) { watcher.on('change', listener);
function wrappedContext(methodName) { return watcher;
var context = provider[methodName](); };
context.flags = flags;
context.changes = [];
// When the context is finished, let the fs deal with any change events // Let other instances (in this or other windows) know about
context.close = function() { // any changes to this fs instance.
var changes = context.changes; function broadcastChanges(changes) {
broadcastChanges(changes); if(!changes.length) {
changes.length = 0; return;
}; }
var intercom = Intercom.getInstance();
return context; changes.forEach(function(change) {
} intercom.emit(change.event, change.path);
// Wrap the provider so we can extend the context with fs flags and
// an array of changes (e.g., watch event 'change' and 'rename' events
// for paths updated during the lifetime of the context). From this
// point forward we won't call open again, so it's safe to drop it.
fs.provider = {
openReadWriteContext: function() {
return wrappedContext('getReadWriteContext');
},
openReadOnlyContext: function() {
return wrappedContext('getReadOnlyContext');
}
};
if(error) {
fs.readyState = FS_ERROR;
} else {
fs.readyState = FS_READY;
runQueued();
}
callback(error, fs);
}
if(err) {
return complete(err);
}
// If we don't need or want formatting, we're done
if(!(forceFormatting || needsFormatting)) {
return complete(null);
}
// otherwise format the fs first
var context = provider.getReadWriteContext();
context.clear(function(err) {
if(err) {
complete(err);
return;
}
impl.makeRootDirectory(context, complete);
});
}); });
} }
// Expose storage providers on FileSystem constructor // Open file system storage provider
FileSystem.providers = providers; provider.open(function(err, needsFormatting) {
function complete(error) {
// Expose adatpers on FileSystem constructor function wrappedContext(methodName) {
FileSystem.adapters = adapters; var context = provider[methodName]();
context.flags = flags;
context.changes = [];
/** // When the context is finished, let the fs deal with any change events
* Public API for FileSystem context.close = function() {
*/ var changes = context.changes;
[ broadcastChanges(changes);
'open', changes.length = 0;
'close', };
'mknod',
'mkdir',
'rmdir',
'stat',
'fstat',
'link',
'unlink',
'read',
'readFile',
'write',
'writeFile',
'appendFile',
'exists',
'lseek',
'readdir',
'rename',
'readlink',
'symlink',
'lstat',
'truncate',
'ftruncate',
'utimes',
'futimes',
'setxattr',
'getxattr',
'fsetxattr',
'fgetxattr',
'removexattr',
'fremovexattr'
].forEach(function(methodName) {
FileSystem.prototype[methodName] = function() {
var fs = this;
var args = Array.prototype.slice.call(arguments, 0);
var lastArgIndex = args.length - 1;
// We may or may not get a callback, and since node.js supports return context;
// fire-and-forget style fs operations, we have to dance a bit here.
var missingCallback = typeof args[lastArgIndex] !== 'function';
var callback = maybeCallback(args[lastArgIndex]);
var error = fs.queueOrRun(function() {
var context = fs.provider.openReadWriteContext();
// Wrap the callback so we can explicitly close the context
function complete() {
context.close();
callback.apply(fs, arguments);
}
// Either add or replace the callback with our wrapper complete()
if(missingCallback) {
args.push(complete);
} else {
args[lastArgIndex] = complete;
}
// Forward this call to the impl's version, using the following
// call signature, with complete() as the callback/last-arg now:
// fn(fs, context, arg0, arg1, ... , complete);
var fnArgs = [fs, context].concat(args);
impl[methodName].apply(null, fnArgs);
});
if(error) {
callback(error);
} }
};
// Wrap the provider so we can extend the context with fs flags and
// an array of changes (e.g., watch event 'change' and 'rename' events
// for paths updated during the lifetime of the context). From this
// point forward we won't call open again, so it's safe to drop it.
fs.provider = {
openReadWriteContext: function() {
return wrappedContext('getReadWriteContext');
},
openReadOnlyContext: function() {
return wrappedContext('getReadOnlyContext');
}
};
if(error) {
fs.readyState = FS_ERROR;
} else {
fs.readyState = FS_READY;
runQueued();
}
callback(error, fs);
}
if(err) {
return complete(err);
}
// If we don't need or want formatting, we're done
if(!(forceFormatting || needsFormatting)) {
return complete(null);
}
// otherwise format the fs first
var context = provider.getReadWriteContext();
context.clear(function(err) {
if(err) {
complete(err);
return;
}
impl.makeRootDirectory(context, complete);
});
}); });
}
FileSystem.prototype.Shell = function(options) { // Expose storage providers on FileSystem constructor
return new Shell(this, options); FileSystem.providers = providers;
// Expose adatpers on FileSystem constructor
FileSystem.adapters = adapters;
/**
* Public API for FileSystem
*/
[
'open',
'close',
'mknod',
'mkdir',
'rmdir',
'stat',
'fstat',
'link',
'unlink',
'read',
'readFile',
'write',
'writeFile',
'appendFile',
'exists',
'lseek',
'readdir',
'rename',
'readlink',
'symlink',
'lstat',
'truncate',
'ftruncate',
'utimes',
'futimes',
'setxattr',
'getxattr',
'fsetxattr',
'fgetxattr',
'removexattr',
'fremovexattr'
].forEach(function(methodName) {
FileSystem.prototype[methodName] = function() {
var fs = this;
var args = Array.prototype.slice.call(arguments, 0);
var lastArgIndex = args.length - 1;
// We may or may not get a callback, and since node.js supports
// fire-and-forget style fs operations, we have to dance a bit here.
var missingCallback = typeof args[lastArgIndex] !== 'function';
var callback = maybeCallback(args[lastArgIndex]);
var error = fs.queueOrRun(function() {
var context = fs.provider.openReadWriteContext();
// Wrap the callback so we can explicitly close the context
function complete() {
context.close();
callback.apply(fs, arguments);
}
// Either add or replace the callback with our wrapper complete()
if(missingCallback) {
args.push(complete);
} else {
args[lastArgIndex] = complete;
}
// Forward this call to the impl's version, using the following
// call signature, with complete() as the callback/last-arg now:
// fn(fs, context, arg0, arg1, ... , complete);
var fnArgs = [fs, context].concat(args);
impl[methodName].apply(null, fnArgs);
});
if(error) {
callback(error);
}
}; };
return FileSystem;
}); });
FileSystem.prototype.Shell = function(options) {
return new Shell(this, options);
};
module.exports = FileSystem;

87
src/fs-watcher.js
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@ -1,54 +1,51 @@
define(function(require) { var EventEmitter = require('../lib/eventemitter.js');
var isNullPath = require('./path.js').isNull;
var Intercom = require('../lib/intercom.js');
var EventEmitter = require('eventemitter'); /**
var isNullPath = require('src/path').isNull; * FSWatcher based on node.js' FSWatcher
var Intercom = require('intercom'); * see https://github.com/joyent/node/blob/master/lib/fs.js
*/
function FSWatcher() {
EventEmitter.call(this);
var self = this;
var recursive = false;
var filename;
/** function onchange(path) {
* FSWatcher based on node.js' FSWatcher // Watch for exact filename, or parent path when recursive is true
* see https://github.com/joyent/node/blob/master/lib/fs.js if(filename === path || (recursive && path.indexOf(filename + '/') === 0)) {
*/ self.trigger('change', 'change', path);
function FSWatcher() { }
EventEmitter.call(this); }
var self = this;
var recursive = false;
var filename;
function onchange(path) { // We support, but ignore the second arg, which node.js uses.
// Watch for exact filename, or parent path when recursive is true self.start = function(filename_, persistent_, recursive_) {
if(filename === path || (recursive && path.indexOf(filename + '/') === 0)) { // Bail if we've already started (and therefore have a filename);
self.trigger('change', 'change', path); if(filename) {
} return;
} }
// We support, but ignore the second arg, which node.js uses. if(isNullPath(filename_)) {
self.start = function(filename_, persistent_, recursive_) { throw new Error('Path must be a string without null bytes.');
// Bail if we've already started (and therefore have a filename); }
if(filename) { // TODO: get realpath for symlinks on filename...
return; filename = filename_;
}
if(isNullPath(filename_)) { // Whether to watch beneath this path or not
throw new Error('Path must be a string without null bytes.'); recursive = recursive_ === true;
}
// TODO: get realpath for symlinks on filename...
filename = filename_;
// Whether to watch beneath this path or not var intercom = Intercom.getInstance();
recursive = recursive_ === true; intercom.on('change', onchange);
};
var intercom = Intercom.getInstance(); self.close = function() {
intercom.on('change', onchange); var intercom = Intercom.getInstance();
}; intercom.off('change', onchange);
self.removeAllListeners('change');
};
}
FSWatcher.prototype = new EventEmitter();
FSWatcher.prototype.constructor = FSWatcher;
self.close = function() { module.exports = FSWatcher;
var intercom = Intercom.getInstance();
intercom.off('change', onchange);
self.removeAllListeners('change');
};
}
FSWatcher.prototype = new EventEmitter();
FSWatcher.prototype.constructor = FSWatcher;
return FSWatcher;
});

12
src/index.js
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@ -1,7 +1,5 @@
define(function(require) { module.exports = {
return { FileSystem: require('./filesystem/interface.js'),
FileSystem: require('src/filesystem/interface'), Path: require('./path.js'),
Path: require('src/path'), Errors: require('./errors.js')
Errors: require('src/errors') };
};
});

133
src/network.js
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@ -1,82 +1,55 @@
define(function(require) { function browserDownload(uri, callback) {
// Pull in node's request module if possible/needed var query = new XMLHttpRequest();
if (typeof XMLHttpRequest === 'undefined') { query.onload = function() {
// This is a stupid workaround for the fact that var err = query.status != 200 ? { message: query.statusText, code: query.status } : null,
// the r.js optimizer checks every require() call data = err ? null : new Uint8Array(query.response);
// during optimization and throws an error if it
// can't find the module.
//
// This is only an issue with our browser build
// using `almond` (https://github.com/jrburke/almond)
// which doesn't fallback to node's require when we
// need it to.
var node_req = require;
var request = node_req('request');
}
function browserDownload(uri, callback) { callback(err, data);
var query = new XMLHttpRequest();
query.onload = function() {
var err = query.status != 200 ? { message: query.statusText, code: query.status } : null,
data = err ? null : new Uint8Array(query.response);
callback(err, data);
};
query.open("GET", uri);
if("withCredentials" in query) {
query.withCredentials = true;
}
query.responseType = "arraybuffer";
query.send();
}
function nodeDownload(uri, callback) {
request({
url: uri,
method: "GET",
encoding: null
}, function(err, msg, body) {
var data = null,
arrayBuffer,
statusCode,
arrayLength = body && body.length,
error;
msg = msg || null;
statusCode = msg && msg.statusCode;
error = statusCode != 200 ? { message: err || 'Not found!', code: statusCode } : null;
arrayBuffer = arrayLength && new ArrayBuffer(arrayLength);
// Convert buffer to Uint8Array
if (arrayBuffer && (statusCode == 200)) {
data = new Uint8Array(arrayBuffer);
for (var i = 0; i < body.length; ++i) {
data[i] = body[i];
}
}
callback(error, data);
});
}
return {
download: function(uri, callback) {
if (!uri) {
throw('Uri required!');
}
if (!callback) {
throw('Callback required');
}
if (typeof XMLHttpRequest === "undefined") {
nodeDownload(uri, callback);
} else {
browserDownload(uri, callback);
}
}
}; };
}); query.open("GET", uri);
if("withCredentials" in query) {
query.withCredentials = true;
}
query.responseType = "arraybuffer";
query.send();
}
function nodeDownload(uri, callback) {
require('request')({
url: uri,
method: "GET",
encoding: null
}, function(err, msg, body) {
var data = null,
arrayBuffer,
statusCode,
arrayLength = body && body.length,
error;
msg = msg || null;
statusCode = msg && msg.statusCode;
error = statusCode != 200 ? { message: err || 'Not found!', code: statusCode } : null;
arrayBuffer = arrayLength && new ArrayBuffer(arrayLength);
// Convert buffer to Uint8Array
if (arrayBuffer && (statusCode == 200)) {
data = new Uint8Array(arrayBuffer);
for (var i = 0; i < body.length; ++i) {
data[i] = body[i];
}
}
callback(error, data);
});
}
module.exports = function(uri, callback) {
if (typeof XMLHttpRequest === 'undefined') {
nodeDownload(uri, callback);
} else {
browserDownload(uri, callback);
}
};

37
src/node.js
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@ -1,21 +1,20 @@
define(['src/constants', 'src/shared'], function(Constants, Shared) { var MODE_FILE = require('./constants.js').MODE_FILE;
var guid = require('./shared.js').guid;
return function Node(id, mode, size, atime, ctime, mtime, flags, xattrs, nlinks, version) { module.exports = function Node(id, mode, size, atime, ctime, mtime, flags, xattrs, nlinks, version) {
var now = Date.now(); var now = Date.now();
this.id = id || Shared.guid(); this.id = id || guid();
this.mode = mode || Constants.MODE_FILE; // node type (file, directory, etc) this.mode = mode || MODE_FILE; // node type (file, directory, etc)
this.size = size || 0; // size (bytes for files, entries for directories) this.size = size || 0; // size (bytes for files, entries for directories)
this.atime = atime || now; // access time (will mirror ctime after creation) this.atime = atime || now; // access time (will mirror ctime after creation)
this.ctime = ctime || now; // creation/change time this.ctime = ctime || now; // creation/change time
this.mtime = mtime || now; // modified time this.mtime = mtime || now; // modified time
this.flags = flags || []; // file flags this.flags = flags || []; // file flags
this.xattrs = xattrs || {}; // extended attributes this.xattrs = xattrs || {}; // extended attributes
this.nlinks = nlinks || 0; // links count this.nlinks = nlinks || 0; // links count
this.version = version || 0; // node version this.version = version || 0; // node version
this.blksize = undefined; // block size this.blksize = undefined; // block size
this.nblocks = 1; // blocks count this.nblocks = 1; // blocks count
this.data = Shared.guid(); // id for data object this.data = guid(); // id for data object
}; };
});

16
src/open-file-description.js
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@ -1,10 +1,6 @@
define(function(require) { module.exports = function OpenFileDescription(path, id, flags, position) {
this.path = path;
return function OpenFileDescription(path, id, flags, position) { this.id = id;
this.path = path; this.flags = flags;
this.id = id; this.position = position;
this.flags = flags; };
this.position = position;
};
});

345
src/path.js
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@ -20,208 +20,205 @@
// USE OR OTHER DEALINGS IN THE SOFTWARE. // USE OR OTHER DEALINGS IN THE SOFTWARE.
// Based on https://github.com/joyent/node/blob/41e53e557992a7d552a8e23de035f9463da25c99/lib/path.js // Based on https://github.com/joyent/node/blob/41e53e557992a7d552a8e23de035f9463da25c99/lib/path.js
define(function() {
// resolves . and .. elements in a path array with directory names there // resolves . and .. elements in a path array with directory names there
// must be no slashes, empty elements, or device names (c:\) in the array // must be no slashes, empty elements, or device names (c:\) in the array
// (so also no leading and trailing slashes - it does not distinguish // (so also no leading and trailing slashes - it does not distinguish
// relative and absolute paths) // relative and absolute paths)
function normalizeArray(parts, allowAboveRoot) { function normalizeArray(parts, allowAboveRoot) {
// if the path tries to go above the root, `up` ends up > 0 // if the path tries to go above the root, `up` ends up > 0
var up = 0; var up = 0;
for (var i = parts.length - 1; i >= 0; i--) { for (var i = parts.length - 1; i >= 0; i--) {
var last = parts[i]; var last = parts[i];
if (last === '.') { if (last === '.') {
parts.splice(i, 1); parts.splice(i, 1);
} else if (last === '..') { } else if (last === '..') {
parts.splice(i, 1); parts.splice(i, 1);
up++; up++;
} else if (up) { } else if (up) {
parts.splice(i, 1); parts.splice(i, 1);
up--; up--;
}
} }
// if the path is allowed to go above the root, restore leading ..s
if (allowAboveRoot) {
for (; up--; up) {
parts.unshift('..');
}
}
return parts;
} }
// Split a filename into [root, dir, basename, ext], unix version // if the path is allowed to go above the root, restore leading ..s
// 'root' is just a slash, or nothing. if (allowAboveRoot) {
var splitPathRe = for (; up--; up) {
/^(\/?)([\s\S]+\/(?!$)|\/)?((?:\.{1,2}$|[\s\S]+?)?(\.[^.\/]*)?)$/; parts.unshift('..');
var splitPath = function(filename) {
var result = splitPathRe.exec(filename);
return [result[1] || '', result[2] || '', result[3] || '', result[4] || ''];
};
// path.resolve([from ...], to)
function resolve() {
var resolvedPath = '',
resolvedAbsolute = false;
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
// XXXidbfs: we don't have process.cwd() so we use '/' as a fallback
var path = (i >= 0) ? arguments[i] : '/';
// Skip empty and invalid entries
if (typeof path !== 'string' || !path) {
continue;
}
resolvedPath = path + '/' + resolvedPath;
resolvedAbsolute = path.charAt(0) === '/';
} }
// At this point the path should be resolved to a full absolute path, but
// handle relative paths to be safe (might happen when process.cwd() fails)
// Normalize the path
resolvedPath = normalizeArray(resolvedPath.split('/').filter(function(p) {
return !!p;
}), !resolvedAbsolute).join('/');
return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
} }
// path.normalize(path) return parts;
function normalize(path) { }
var isAbsolute = path.charAt(0) === '/',
trailingSlash = path.substr(-1) === '/';
// Normalize the path // Split a filename into [root, dir, basename, ext], unix version
path = normalizeArray(path.split('/').filter(function(p) { // 'root' is just a slash, or nothing.
return !!p; var splitPathRe =
}), !isAbsolute).join('/'); /^(\/?)([\s\S]+\/(?!$)|\/)?((?:\.{1,2}$|[\s\S]+?)?(\.[^.\/]*)?)$/;
var splitPath = function(filename) {
var result = splitPathRe.exec(filename);
return [result[1] || '', result[2] || '', result[3] || '', result[4] || ''];
};
if (!path && !isAbsolute) { // path.resolve([from ...], to)
path = '.'; function resolve() {
var resolvedPath = '',
resolvedAbsolute = false;
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
// XXXidbfs: we don't have process.cwd() so we use '/' as a fallback
var path = (i >= 0) ? arguments[i] : '/';
// Skip empty and invalid entries
if (typeof path !== 'string' || !path) {
continue;
} }
/*
if (path && trailingSlash) {
path += '/';
}
*/
return (isAbsolute ? '/' : '') + path; resolvedPath = path + '/' + resolvedPath;
resolvedAbsolute = path.charAt(0) === '/';
} }
function join() { // At this point the path should be resolved to a full absolute path, but
var paths = Array.prototype.slice.call(arguments, 0); // handle relative paths to be safe (might happen when process.cwd() fails)
return normalize(paths.filter(function(p, index) {
return p && typeof p === 'string'; // Normalize the path
}).join('/')); resolvedPath = normalizeArray(resolvedPath.split('/').filter(function(p) {
return !!p;
}), !resolvedAbsolute).join('/');
return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
}
// path.normalize(path)
function normalize(path) {
var isAbsolute = path.charAt(0) === '/',
trailingSlash = path.substr(-1) === '/';
// Normalize the path
path = normalizeArray(path.split('/').filter(function(p) {
return !!p;
}), !isAbsolute).join('/');
if (!path && !isAbsolute) {
path = '.';
}
/*
if (path && trailingSlash) {
path += '/';
}
*/
return (isAbsolute ? '/' : '') + path;
}
function join() {
var paths = Array.prototype.slice.call(arguments, 0);
return normalize(paths.filter(function(p, index) {
return p && typeof p === 'string';
}).join('/'));
}
// path.relative(from, to)
function relative(from, to) {
from = exports.resolve(from).substr(1);
to = exports.resolve(to).substr(1);
function trim(arr) {
var start = 0;
for (; start < arr.length; start++) {
if (arr[start] !== '') break;
}
var end = arr.length - 1;
for (; end >= 0; end--) {
if (arr[end] !== '') break;
}
if (start > end) return [];
return arr.slice(start, end - start + 1);
} }
// path.relative(from, to) var fromParts = trim(from.split('/'));
function relative(from, to) { var toParts = trim(to.split('/'));
from = exports.resolve(from).substr(1);
to = exports.resolve(to).substr(1);
function trim(arr) { var length = Math.min(fromParts.length, toParts.length);
var start = 0; var samePartsLength = length;
for (; start < arr.length; start++) { for (var i = 0; i < length; i++) {
if (arr[start] !== '') break; if (fromParts[i] !== toParts[i]) {
} samePartsLength = i;
break;
var end = arr.length - 1;
for (; end >= 0; end--) {
if (arr[end] !== '') break;
}
if (start > end) return [];
return arr.slice(start, end - start + 1);
} }
var fromParts = trim(from.split('/'));
var toParts = trim(to.split('/'));
var length = Math.min(fromParts.length, toParts.length);
var samePartsLength = length;
for (var i = 0; i < length; i++) {
if (fromParts[i] !== toParts[i]) {
samePartsLength = i;
break;
}
}
var outputParts = [];
for (var i = samePartsLength; i < fromParts.length; i++) {
outputParts.push('..');
}
outputParts = outputParts.concat(toParts.slice(samePartsLength));
return outputParts.join('/');
} }
function dirname(path) { var outputParts = [];
var result = splitPath(path), for (var i = samePartsLength; i < fromParts.length; i++) {
root = result[0], outputParts.push('..');
dir = result[1];
if (!root && !dir) {
// No dirname whatsoever
return '.';
}
if (dir) {
// It has a dirname, strip trailing slash
dir = dir.substr(0, dir.length - 1);
}
return root + dir;
} }
function basename(path, ext) { outputParts = outputParts.concat(toParts.slice(samePartsLength));
var f = splitPath(path)[2];
// TODO: make this comparison case-insensitive on windows? return outputParts.join('/');
if (ext && f.substr(-1 * ext.length) === ext) { }
f = f.substr(0, f.length - ext.length);
} function dirname(path) {
// XXXidbfs: node.js just does `return f` var result = splitPath(path),
return f === "" ? "/" : f; root = result[0],
dir = result[1];
if (!root && !dir) {
// No dirname whatsoever
return '.';
} }
function extname(path) { if (dir) {
return splitPath(path)[3]; // It has a dirname, strip trailing slash
dir = dir.substr(0, dir.length - 1);
} }
function isAbsolute(path) { return root + dir;
if(path.charAt(0) === '/') { }
return true;
} function basename(path, ext) {
return false; var f = splitPath(path)[2];
// TODO: make this comparison case-insensitive on windows?
if (ext && f.substr(-1 * ext.length) === ext) {
f = f.substr(0, f.length - ext.length);
} }
// XXXidbfs: node.js just does `return f`
return f === "" ? "/" : f;
}
function isNull(path) { function extname(path) {
if (('' + path).indexOf('\u0000') !== -1) { return splitPath(path)[3];
return true; }
}
return false; function isAbsolute(path) {
if(path.charAt(0) === '/') {
return true;
} }
return false;
}
// XXXidbfs: we don't support path.exists() or path.existsSync(), which function isNull(path) {
// are deprecated, and need a FileSystem instance to work. Use fs.stat(). if (('' + path).indexOf('\u0000') !== -1) {
return true;
}
return false;
}
return { // XXXidbfs: we don't support path.exists() or path.existsSync(), which
normalize: normalize, // are deprecated, and need a FileSystem instance to work. Use fs.stat().
resolve: resolve,
join: join,
relative: relative,
sep: '/',
delimiter: ':',
dirname: dirname,
basename: basename,
extname: extname,
isAbsolute: isAbsolute,
isNull: isNull
};
}); module.exports = {
normalize: normalize,
resolve: resolve,
join: join,
relative: relative,
sep: '/',
delimiter: ':',
dirname: dirname,
basename: basename,
extname: extname,
isAbsolute: isAbsolute,
isNull: isNull
};

55
src/shared.js
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@ -1,37 +1,26 @@
define(function(require) { function guid() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
return v.toString(16);
}).toUpperCase();
}
require("crypto-js/rollups/sha256"); var Crypto = CryptoJS; function nop() {}
function guid() { /**
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) { * Convert a Uint8Array to a regular array
var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8); */
return v.toString(16); function u8toArray(u8) {
}).toUpperCase(); var array = [];
var len = u8.length;
for(var i = 0; i < len; i++) {
array[i] = u8[i];
} }
return array;
}
function hash(string) { module.exports = {
return Crypto.SHA256(string).toString(Crypto.enc.hex); guid: guid,
} u8toArray: u8toArray,
nop: nop
function nop() {} };
/**
* Convert a Uint8Array to a regular array
*/
function u8toArray(u8) {
var array = [];
var len = u8.length;
for(var i = 0; i < len; i++) {
array[i] = u8[i];
}
return array;
}
return {
guid: guid,
hash: hash,
u8toArray: u8toArray,
nop: nop
};
});

29
src/shell/environment.js
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@ -1,20 +1,15 @@
define(function(require) { var defaults = require('../constants.js').ENVIRONMENT;
var defaults = require('src/constants').ENVIRONMENT; module.exports = function Environment(env) {
env = env || {};
env.TMP = env.TMP || defaults.TMP;
env.PATH = env.PATH || defaults.PATH;
function Environment(env) { this.get = function(name) {
env = env || {}; return env[name];
env.TMP = env.TMP || defaults.TMP; };
env.PATH = env.PATH || defaults.PATH;
this.get = function(name) { this.set = function(name, value) {
return env[name]; env[name] = value;
}; };
};
this.set = function(name, value) {
env[name] = value;
};
}
return Environment;
});

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src/shell/shell.js
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60
src/stats.js
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@ -1,37 +1,35 @@
define(['src/constants'], function(Constants) { var Constants = require('./constants.js');
function Stats(fileNode, devName) { function Stats(fileNode, devName) {
this.node = fileNode.id; this.node = fileNode.id;
this.dev = devName; this.dev = devName;
this.size = fileNode.size; this.size = fileNode.size;
this.nlinks = fileNode.nlinks; this.nlinks = fileNode.nlinks;
this.atime = fileNode.atime; this.atime = fileNode.atime;
this.mtime = fileNode.mtime; this.mtime = fileNode.mtime;
this.ctime = fileNode.ctime; this.ctime = fileNode.ctime;
this.type = fileNode.mode; this.type = fileNode.mode;
} }
Stats.prototype.isFile = function() { Stats.prototype.isFile = function() {
return this.type === Constants.MODE_FILE; return this.type === Constants.MODE_FILE;
}; };
Stats.prototype.isDirectory = function() { Stats.prototype.isDirectory = function() {
return this.type === Constants.MODE_DIRECTORY; return this.type === Constants.MODE_DIRECTORY;
}; };
Stats.prototype.isSymbolicLink = function() { Stats.prototype.isSymbolicLink = function() {
return this.type === Constants.MODE_SYMBOLIC_LINK; return this.type === Constants.MODE_SYMBOLIC_LINK;
}; };
// These will always be false in Filer. // These will always be false in Filer.
Stats.prototype.isSocket = Stats.prototype.isSocket =
Stats.prototype.isFIFO = Stats.prototype.isFIFO =
Stats.prototype.isCharacterDevice = Stats.prototype.isCharacterDevice =
Stats.prototype.isBlockDevice = Stats.prototype.isBlockDevice =
function() { function() {
return false; return false;
}; };
return Stats; module.exports = Stats;
});

23
src/super-node.js
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@ -1,14 +1,13 @@
define(['src/constants', 'src/shared'], function(Constants, Shared) { var Constants = require('./constants.js');
var guid = require('./shared.js').guid;
return function SuperNode(atime, ctime, mtime) { module.exports = function SuperNode(atime, ctime, mtime) {
var now = Date.now(); var now = Date.now();
this.id = Constants.SUPER_NODE_ID; this.id = Constants.SUPER_NODE_ID;
this.mode = Constants.MODE_META; this.mode = Constants.MODE_META;
this.atime = atime || now; this.atime = atime || now;
this.ctime = ctime || now; this.ctime = ctime || now;
this.mtime = mtime || now; this.mtime = mtime || now;
this.rnode = Shared.guid(); // root node id (randomly generated) this.rnode = guid(); // root node id (randomly generated)
}; };
});