* Simple local storage wrapper to save data on the browser side, supporting
* all major browsers - IE6+, Firefox2+, Safari4+, Chrome4+ and Opera 10.5+
*
- * Copyright (c) 2010 - 2012 Andris Reinman, andris.reinman@gmail.com
+ * Author: Andris Reinman, andris.reinman@gmail.com
* Project homepage: www.jstorage.info
*
- * Licensed under MIT-style license:
+ * Licensed under Unlicense:
*
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * This is free and unencumbered software released into the public domain.
+ *
+ * Anyone is free to copy, modify, publish, use, compile, sell, or
+ * distribute this software, either in source code form or as a compiled
+ * binary, for any purpose, commercial or non-commercial, and by any
+ * means.
+ *
+ * In jurisdictions that recognize copyright laws, the author or authors
+ * of this software dedicate any and all copyright interest in the
+ * software to the public domain. We make this dedication for the benefit
+ * of the public at large and to the detriment of our heirs and
+ * successors. We intend this dedication to be an overt act of
+ * relinquishment in perpetuity of all present and future rights to this
+ * software under copyright law.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * For more information, please refer to <http://unlicense.org/>
*/
(function(){
var
/* jStorage version */
- JSTORAGE_VERSION = "0.3.0",
+ JSTORAGE_VERSION = "0.4.8",
/* detect a dollar object or create one if not found */
$ = window.jQuery || window.$ || (window.$ = {}),
};
// Break if no JSON support was found
- if(!JSON.parse || !JSON.stringify){
+ if(!("parse" in JSON) || !("stringify" in JSON)){
throw new Error("No JSON support found, include //cdnjs.cloudflare.com/ajax/libs/json2/20110223/json2.js to page");
}
var
/* This is the object, that holds the cached values */
- _storage = {},
+ _storage = {__jstorage_meta:{CRC32:{}}},
- /* Actual browser storage (localStorage or globalStorage['domain']) */
+ /* Actual browser storage (localStorage or globalStorage["domain"]) */
_storage_service = {jStorage:"{}"},
/* DOM element for older IE versions, holds userData behavior */
_pubsub_observers = {},
/* skip published items older than current timestamp */
- _pubsub_last = +new Date(),
+ _pubsub_last = +new Date(),
/* Next check for TTL */
_ttl_timeout,
- /* crc32 table */
- _crc32Table = "00000000 77073096 EE0E612C 990951BA 076DC419 706AF48F E963A535 9E6495A3 "+
- "0EDB8832 79DCB8A4 E0D5E91E 97D2D988 09B64C2B 7EB17CBD E7B82D07 90BF1D91 1DB71064 "+
- "6AB020F2 F3B97148 84BE41DE 1ADAD47D 6DDDE4EB F4D4B551 83D385C7 136C9856 646BA8C0 "+
- "FD62F97A 8A65C9EC 14015C4F 63066CD9 FA0F3D63 8D080DF5 3B6E20C8 4C69105E D56041E4 "+
- "A2677172 3C03E4D1 4B04D447 D20D85FD A50AB56B 35B5A8FA 42B2986C DBBBC9D6 ACBCF940 "+
- "32D86CE3 45DF5C75 DCD60DCF ABD13D59 26D930AC 51DE003A C8D75180 BFD06116 21B4F4B5 "+
- "56B3C423 CFBA9599 B8BDA50F 2802B89E 5F058808 C60CD9B2 B10BE924 2F6F7C87 58684C11 "+
- "C1611DAB B6662D3D 76DC4190 01DB7106 98D220BC EFD5102A 71B18589 06B6B51F 9FBFE4A5 "+
- "E8B8D433 7807C9A2 0F00F934 9609A88E E10E9818 7F6A0DBB 086D3D2D 91646C97 E6635C01 "+
- "6B6B51F4 1C6C6162 856530D8 F262004E 6C0695ED 1B01A57B 8208F4C1 F50FC457 65B0D9C6 "+
- "12B7E950 8BBEB8EA FCB9887C 62DD1DDF 15DA2D49 8CD37CF3 FBD44C65 4DB26158 3AB551CE "+
- "A3BC0074 D4BB30E2 4ADFA541 3DD895D7 A4D1C46D D3D6F4FB 4369E96A 346ED9FC AD678846 "+
- "DA60B8D0 44042D73 33031DE5 AA0A4C5F DD0D7CC9 5005713C 270241AA BE0B1010 C90C2086 "+
- "5768B525 206F85B3 B966D409 CE61E49F 5EDEF90E 29D9C998 B0D09822 C7D7A8B4 59B33D17 "+
- "2EB40D81 B7BD5C3B C0BA6CAD EDB88320 9ABFB3B6 03B6E20C 74B1D29A EAD54739 9DD277AF "+
- "04DB2615 73DC1683 E3630B12 94643B84 0D6D6A3E 7A6A5AA8 E40ECF0B 9309FF9D 0A00AE27 "+
- "7D079EB1 F00F9344 8708A3D2 1E01F268 6906C2FE F762575D 806567CB 196C3671 6E6B06E7 "+
- "FED41B76 89D32BE0 10DA7A5A 67DD4ACC F9B9DF6F 8EBEEFF9 17B7BE43 60B08ED5 D6D6A3E8 "+
- "A1D1937E 38D8C2C4 4FDFF252 D1BB67F1 A6BC5767 3FB506DD 48B2364B D80D2BDA AF0A1B4C "+
- "36034AF6 41047A60 DF60EFC3 A867DF55 316E8EEF 4669BE79 CB61B38C BC66831A 256FD2A0 "+
- "5268E236 CC0C7795 BB0B4703 220216B9 5505262F C5BA3BBE B2BD0B28 2BB45A92 5CB36A04 "+
- "C2D7FFA7 B5D0CF31 2CD99E8B 5BDEAE1D 9B64C2B0 EC63F226 756AA39C 026D930A 9C0906A9 "+
- "EB0E363F 72076785 05005713 95BF4A82 E2B87A14 7BB12BAE 0CB61B38 92D28E9B E5D5BE0D "+
- "7CDCEFB7 0BDBDF21 86D3D2D4 F1D4E242 68DDB3F8 1FDA836E 81BE16CD F6B9265B 6FB077E1 "+
- "18B74777 88085AE6 FF0F6A70 66063BCA 11010B5C 8F659EFF F862AE69 616BFFD3 166CCF45 "+
- "A00AE278 D70DD2EE 4E048354 3903B3C2 A7672661 D06016F7 4969474D 3E6E77DB AED16A4A "+
- "D9D65ADC 40DF0B66 37D83BF0 A9BCAE53 DEBB9EC5 47B2CF7F 30B5FFE9 BDBDF21C CABAC28A "+
- "53B39330 24B4A3A6 BAD03605 CDD70693 54DE5729 23D967BF B3667A2E C4614AB8 5D681B02 "+
- "2A6F2B94 B40BBE37 C30C8EA1 5A05DF1B 2D02EF8D",
-
/**
* XML encoding and decoding as XML nodes can't be JSON'ized
* XML nodes are encoded and decoded if the node is the value to be saved
decode: function(xmlString){
var dom_parser = ("DOMParser" in window && (new DOMParser()).parseFromString) ||
(window.ActiveXObject && function(_xmlString) {
- var xml_doc = new ActiveXObject('Microsoft.XMLDOM');
- xml_doc.async = 'false';
+ var xml_doc = new ActiveXObject("Microsoft.XMLDOM");
+ xml_doc.async = "false";
xml_doc.loadXML(_xmlString);
return xml_doc;
}),
if(!dom_parser){
return false;
}
- resultXML = dom_parser.call("DOMParser" in window && (new DOMParser()) || window, xmlString, 'text/xml');
+ resultXML = dom_parser.call("DOMParser" in window && (new DOMParser()) || window, xmlString, "text/xml");
return this.isXML(resultXML)?resultXML:false;
}
- },
-
- _localStoragePolyfillSetKey = function(){};
+ };
////////////////////////// PRIVATE METHODS ////////////////////////
var localStorageReallyWorks = false;
if("localStorage" in window){
try {
- window.localStorage.setItem('_tmptest', 'tmpval');
+ window.localStorage.setItem("_tmptest", "tmpval");
localStorageReallyWorks = true;
- window.localStorage.removeItem('_tmptest');
+ window.localStorage.removeItem("_tmptest");
} catch(BogusQuotaExceededErrorOnIos5) {
// Thanks be to iOS5 Private Browsing mode which throws
// QUOTA_EXCEEDED_ERRROR DOM Exception 22.
else if("globalStorage" in window){
try {
if(window.globalStorage) {
- _storage_service = window.globalStorage[window.location.hostname];
+ if(window.location.hostname == "localhost"){
+ _storage_service = window.globalStorage["localhost.localdomain"];
+ }
+ else{
+ _storage_service = window.globalStorage[window.location.hostname];
+ }
_backend = "globalStorage";
_observer_update = _storage_service.jStorage_update;
}
}
/* Check if browser supports userData behavior */
else {
- _storage_elm = document.createElement('link');
+ _storage_elm = document.createElement("link");
if(_storage_elm.addBehavior){
/* Use a DOM element to act as userData storage */
- _storage_elm.style.behavior = 'url(#default#userData)';
+ _storage_elm.style.behavior = "url(#default#userData)";
/* userData element needs to be inserted into the DOM! */
- document.getElementsByTagName('head')[0].appendChild(_storage_elm);
+ document.getElementsByTagName("head")[0].appendChild(_storage_elm);
try{
_storage_elm.load("jStorage");
// remove dead keys
_handleTTL();
- // create localStorage and sessionStorage polyfills if needed
- _createPolyfillStorage("local");
- _createPolyfillStorage("session");
-
// start listening for changes
_setupObserver();
}
}
- /**
- * Create a polyfill for localStorage (type="local") or sessionStorage (type="session")
- *
- * @param {String} type Either "local" or "session"
- * @param {Boolean} forceCreate If set to true, recreate the polyfill (needed with flush)
- */
- function _createPolyfillStorage(type, forceCreate){
- var _skipSave = false,
- _length = 0,
- i,
- storage,
- storage_source = {};
-
- var rand = Math.random();
-
- if(!forceCreate && typeof window[type+"Storage"] != "undefined"){
- return;
- }
-
- // Use globalStorage for localStorage if available
- if(type == "local" && window.globalStorage){
- localStorage = window.globalStorage[window.location.hostname];
- return;
- }
-
- // only IE6/7 from this point on
- if(_backend != "userDataBehavior"){
- return;
- }
-
- // Remove existing storage element if available
- if(forceCreate && window[type+"Storage"] && window[type+"Storage"].parentNode){
- window[type+"Storage"].parentNode.removeChild(window[type+"Storage"]);
- }
-
- storage = document.createElement("button");
- document.getElementsByTagName('head')[0].appendChild(storage);
-
- if(type == "local"){
- storage_source = _storage;
- }else if(type == "session"){
- _sessionStoragePolyfillUpdate();
- }
-
- for(i in storage_source){
-
- if(storage_source.hasOwnProperty(i) && i != "__jstorage_meta" && i != "length" && typeof storage_source[i] != "undefined"){
- if(!(i in storage)){
- _length++;
- }
- storage[i] = storage_source[i];
- }
- }
-
- // Polyfill API
-
- /**
- * Indicates how many keys are stored in the storage
- */
- storage.length = _length;
-
- /**
- * Returns the key of the nth stored value
- *
- * @param {Number} n Index position
- * @return {String} Key name of the nth stored value
- */
- storage.key = function(n){
- var count = 0, i;
- _sessionStoragePolyfillUpdate();
- for(i in storage_source){
- if(storage_source.hasOwnProperty(i) && i != "__jstorage_meta" && i!="length" && typeof storage_source[i] != "undefined"){
- if(count == n){
- return i;
- }
- count++;
- }
- }
- }
-
- /**
- * Returns the current value associated with the given key
- *
- * @param {String} key key name
- * @return {Mixed} Stored value
- */
- storage.getItem = function(key){
- _sessionStoragePolyfillUpdate();
- if(type == "session"){
- return storage_source[key];
- }
- return $.jStorage.get(key);
- }
-
- /**
- * Sets or updates value for a give key
- *
- * @param {String} key Key name to be updated
- * @param {String} value String value to be stored
- */
- storage.setItem = function(key, value){
- if(typeof value == "undefined"){
- return;
- }
- storage[key] = (value || "").toString();
- }
-
- /**
- * Removes key from the storage
- *
- * @param {String} key Key name to be removed
- */
- storage.removeItem = function(key){
- if(type == "local"){
- return $.jStorage.deleteKey(key);
- }
-
- storage[key] = undefined;
-
- _skipSave = true;
- if(key in storage){
- storage.removeAttribute(key);
- }
- _skipSave = false;
- }
-
- /**
- * Clear storage
- */
- storage.clear = function(){
- if(type == "session"){
- window.name = "";
- _createPolyfillStorage("session", true);
- return;
- }
- $.jStorage.flush();
- }
-
- if(type == "local"){
-
- _localStoragePolyfillSetKey = function(key, value){
- if(key == "length"){
- return;
- }
- _skipSave = true;
- if(typeof value == "undefined"){
- if(key in storage){
- _length--;
- storage.removeAttribute(key);
- }
- }else{
- if(!(key in storage)){
- _length++;
- }
- storage[key] = (value || "").toString();
- }
- storage.length = _length;
- _skipSave = false;
- }
- }
-
- function _sessionStoragePolyfillUpdate(){
- if(type != "session"){
- return;
- }
- try{
- storage_source = JSON.parse(window.name || "{}");
- }catch(E){
- storage_source = {};
- }
- }
-
- function _sessionStoragePolyfillSave(){
- if(type != "session"){
- return;
- }
- window.name = JSON.stringify(storage_source);
- };
-
- storage.attachEvent("onpropertychange", function(e){
- if(e.propertyName == "length"){
- return;
- }
-
- if(_skipSave || e.propertyName == "length"){
- return;
- }
-
- if(type == "local"){
- if(!(e.propertyName in storage_source) && typeof storage[e.propertyName] != "undefined"){
- _length ++;
- }
- }else if(type == "session"){
- _sessionStoragePolyfillUpdate();
- if(typeof storage[e.propertyName] != "undefined" && !(e.propertyName in storage_source)){
- storage_source[e.propertyName] = storage[e.propertyName];
- _length++;
- }else if(typeof storage[e.propertyName] == "undefined" && e.propertyName in storage_source){
- delete storage_source[e.propertyName];
- _length--;
- }else{
- storage_source[e.propertyName] = storage[e.propertyName];
- }
-
- _sessionStoragePolyfillSave();
- storage.length = _length;
- return;
- }
-
- $.jStorage.set(e.propertyName, storage[e.propertyName]);
- storage.length = _length;
- });
-
- window[type+"Storage"] = storage;
- }
-
/**
* Reload data from storage when needed
*/
removed.push(key);
continue;
}
- if(oldCrc32List[key] != newCrc32List[key]){
+ if(oldCrc32List[key] != newCrc32List[key] && String(oldCrc32List[key]).substr(0,2) == "2."){
updated.push(key);
}
}
_observers[keys[i]][j](keys[i], action);
}
}
+ if(_observers["*"]){
+ for(var j=0, jlen = _observers["*"].length; j<jlen; j++){
+ _observers["*"][j](keys[i], action);
+ }
+ }
}
}
var updateTime = (+new Date()).toString();
if(_backend == "localStorage" || _backend == "globalStorage"){
- _storage_service.jStorage_update = updateTime;
+ try {
+ _storage_service.jStorage_update = updateTime;
+ } catch (E8) {
+ // safari private mode has been enabled after the jStorage initialization
+ _backend = false;
+ }
}else if(_backend == "userDataBehavior"){
_storage_elm.setAttribute("jStorage_update", updateTime);
_storage_elm.save("jStorage");
* @param {String} key Key name
*/
function _checkKey(key){
- if(!key || (typeof key != "string" && typeof key != "number")){
- throw new TypeError('Key name must be string or numeric');
+ if(typeof key != "string" && typeof key != "number"){
+ throw new TypeError("Key name must be string or numeric");
}
if(key == "__jstorage_meta"){
- throw new TypeError('Reserved key name');
+ throw new TypeError("Reserved key name");
}
return true;
}
* Checks if there's any events on hold to be fired to listeners
*/
function _handlePubSub(){
+ var i, len;
if(!_storage.__jstorage_meta.PubSub){
return;
}
var pubelm,
_pubsubCurrent = _pubsub_last;
- for(var i=len=_storage.__jstorage_meta.PubSub.length-1; i>=0; i--){
+ for(i=len=_storage.__jstorage_meta.PubSub.length-1; i>=0; i--){
pubelm = _storage.__jstorage_meta.PubSub[i];
if(pubelm[0] > _pubsub_last){
_pubsubCurrent = pubelm[0];
if(_pubsub_observers[channel]){
for(var i=0, len = _pubsub_observers[channel].length; i<len; i++){
// send immutable data that can't be modified by listeners
- _pubsub_observers[channel][i](channel, JSON.parse(JSON.stringify(payload)));
+ try{
+ _pubsub_observers[channel][i](channel, JSON.parse(JSON.stringify(payload)));
+ }catch(E){};
}
}
}
if(!_storage.__jstorage_meta.PubSub){
_storage.__jstorage_meta.PubSub = [];
}
-
+
_storage.__jstorage_meta.PubSub.unshift([+new Date, channel, payload]);
_save();
_publishChange();
}
+
/**
- * CRC32 calculation based on http://noteslog.com/post/crc32-for-javascript/
+ * JS Implementation of MurmurHash2
+ *
+ * SOURCE: https://github.com/garycourt/murmurhash-js (MIT licensed)
*
- * @param {String} str String to be hashed
- * @param {Number} [crc] Last crc value in case of streams
+ * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
+ * @see http://github.com/garycourt/murmurhash-js
+ * @author <a href="mailto:aappleby@gmail.com">Austin Appleby</a>
+ * @see http://sites.google.com/site/murmurhash/
+ *
+ * @param {string} str ASCII only
+ * @param {number} seed Positive integer only
+ * @return {number} 32-bit positive integer hash
*/
- function _crc32(str, crc){
- crc = crc || 0;
-
- var n = 0, //a number between 0 and 255
- x = 0; //an hex number
-
- crc = crc ^ (-1);
- for(var i = 0, len = str.length; i < len; i++){
- n = (crc ^ str.charCodeAt(i)) & 0xFF;
- x = "0x" + _crc32Table.substr(n * 9, 8);
- crc = (crc >>> 8)^x;
+
+ function murmurhash2_32_gc(str, seed) {
+ var
+ l = str.length,
+ h = seed ^ l,
+ i = 0,
+ k;
+
+ while (l >= 4) {
+ k =
+ ((str.charCodeAt(i) & 0xff)) |
+ ((str.charCodeAt(++i) & 0xff) << 8) |
+ ((str.charCodeAt(++i) & 0xff) << 16) |
+ ((str.charCodeAt(++i) & 0xff) << 24);
+
+ k = (((k & 0xffff) * 0x5bd1e995) + ((((k >>> 16) * 0x5bd1e995) & 0xffff) << 16));
+ k ^= k >>> 24;
+ k = (((k & 0xffff) * 0x5bd1e995) + ((((k >>> 16) * 0x5bd1e995) & 0xffff) << 16));
+
+ h = (((h & 0xffff) * 0x5bd1e995) + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16)) ^ k;
+
+ l -= 4;
+ ++i;
+ }
+
+ switch (l) {
+ case 3: h ^= (str.charCodeAt(i + 2) & 0xff) << 16;
+ case 2: h ^= (str.charCodeAt(i + 1) & 0xff) << 8;
+ case 1: h ^= (str.charCodeAt(i) & 0xff);
+ h = (((h & 0xffff) * 0x5bd1e995) + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16));
}
- return crc^(-1);
+
+ h ^= h >>> 13;
+ h = (((h & 0xffff) * 0x5bd1e995) + ((((h >>> 16) * 0x5bd1e995) & 0xffff) << 16));
+ h ^= h >>> 15;
+
+ return h >>> 0;
}
////////////////////////// PUBLIC INTERFACE /////////////////////////
_storage[key] = value;
- _storage.__jstorage_meta.CRC32[key] = _crc32(JSON.stringify(value));
+ _storage.__jstorage_meta.CRC32[key] = "2." + murmurhash2_32_gc(JSON.stringify(value), 0x9747b28c);
this.setTTL(key, options.TTL || 0); // also handles saving and _publishChange
- _localStoragePolyfillSetKey(key, value);
-
_fireObservers(key, "updated");
return value;
},
get: function(key, def){
_checkKey(key);
if(key in _storage){
- if(_storage[key] && typeof _storage[key] == "object" &&
- _storage[key]._is_xml &&
- _storage[key]._is_xml){
+ if(_storage[key] && typeof _storage[key] == "object" && _storage[key]._is_xml) {
return _XMLService.decode(_storage[key].xml);
}else{
return _storage[key];
}
}
- return typeof(def) == 'undefined' ? null : def;
+ return typeof(def) == "undefined" ? null : def;
},
/**
}
delete _storage.__jstorage_meta.CRC32[key];
- _localStoragePolyfillSetKey(key, undefined);
_save();
_publishChange();
*/
flush: function(){
_storage = {__jstorage_meta:{CRC32:{}}};
- _createPolyfillStorage("local", true);
_save();
_publishChange();
_fireObservers(null, "flushed");
/**
* Returns an index of all used keys as an array
- * ['key1', 'key2',..'keyN']
+ * ["key1", "key2",.."keyN"]
*
* @return {Array} Used keys
*/
subscribe: function(channel, callback){
channel = (channel || "").toString();
if(!channel){
- throw new TypeError('Channel not defined');
+ throw new TypeError("Channel not defined");
}
if(!_pubsub_observers[channel]){
_pubsub_observers[channel] = [];
publish: function(channel, payload){
channel = (channel || "").toString();
if(!channel){
- throw new TypeError('Channel not defined');
+ throw new TypeError("Channel not defined");
}
_publish(channel, payload);
*/
reInit: function(){
_reloadData();
- }
+ },
+
+ /**
+ * Removes reference from global objects and saves it as jStorage
+ *
+ * @param {Boolean} option if needed to save object as simple "jStorage" in windows context
+ */
+ noConflict: function( saveInGlobal ) {
+ delete window.$.jStorage
+
+ if ( saveInGlobal ) {
+ window.jStorage = this;
+ }
+
+ return this;
+ }
};
// Initialize jStorage
dépôts / lhc / web / wiklou.git / commitdiff