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/*
* Module : firefox/storage.js
* Copyright : (c) 2011-2012, Galois, Inc.
*
* Maintainer :
* Stability : Provisional
* Portability: Not Portable (Firefox only)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const ss = require('simple-storage');
var fiveui = { firefox : {} };
/**
* A wraper around the Firefox Simple-Storage API to match the w3c Storage interface:
* http://dev.w3.org/html5/webstorage/#storage-0
*/
fiveui.firefox.StorageWrapper = function() {
this.__defineGetter__('length',
function(){
return Object.keys(ss.storage).length;
});
};
fiveui.firefox.StorageWrapper.prototype.key = function(idx) {
return Object.keys(ss.storage)[idx];
};
fiveui.firefox.StorageWrapper.prototype.getItem = function(key) {
return ss.storage[key];
};
fiveui.firefox.StorageWrapper.prototype.setItem = function(key, value) {
ss.storage[key] = value;
};
fiveui.firefox.StorageWrapper.prototype.removeItem = function(key) {
var keys = Object.keys(ss.storage);
for(var i=0; i<keys.length; ++i) {
if(keys[i] == key) {
keys.splice(i,1);
delete ss.storage[key];
return;
}
}
};
fiveui.firefox.StorageWrapper.prototype.clear = function() {
var keys = Object.keys(ss.storage);
for(var i=0; i<keys.length; ++i) {
delete ss.storage[keys[i]];
}
};
exports.StorageWrapper = fiveui.firefox.StorageWrapper;
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