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/*
* This file is part of Adblock Plus <https://adblockplus.org/>,
* Copyright (C) 2006-2017 eyeo GmbH
*
* Adblock Plus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* Adblock Plus is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
*/
"use strict";
(function(exports)
{
const keyPrefix = "file:";
function fileToKey(fileName)
{
return keyPrefix + fileName;
}
function loadFile(file)
{
let key = fileToKey(file);
return browser.storage.local.get(key).then(items =>
{
if (items.hasOwnProperty(key))
return items[key];
throw "NoSuchFile";
});
}
function saveFile(file, data)
{
return browser.storage.local.set({
[fileToKey(file)]: {
content: Array.from(data),
lastModified: Date.now()
}
});
}
function removeFile(file)
{
return browser.storage.local.remove(fileToKey(file));
}
exports.IO =
{
readFromFile(file)
{
return loadFile(file).then(entry =>
{
return entry.content;
});
},
writeToFile(file, data)
{
return saveFile(file, data);
},
copyFile(fromFile, toFile)
{
return loadFile(fromFile).then(entry =>
{
return saveFile(toFile, entry.content);
});
},
renameFile(fromFile, newName)
{
return loadFile(fromFile).then(entry =>
{
return browser.storage.local.set({
[fileToKey(newName)]: entry
});
}).then(() =>
{
return removeFile(fromFile);
});
},
removeFile(file)
{
return removeFile(file);
},
statFile(file)
{
return loadFile(file).then(entry =>
{
return {
exists: true,
lastModified: entry.lastModified
};
});
}
};
})(this);
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