frontend/xp/system/filesystem.js
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2024-01-21 20:52:31 -05:00

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JavaScript
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'use strict';
xp.filesystem = {};
xp.filesystem.icons = {};
xp.filesystem.icons.smallFolder = '<img src="data:image/gif;base64,R0lGODlhEAAQAMIHAAAAAJmZAMzMZv/MmfHx8f//mf//zP///yH5BAEKAAcALAAAAAAQABAAAANFeLrcGxAC94gxpYTpgvigEEVKcJ3oVQiTmb1wMbCHG8s4bd+DrGOwnnDVAgZxs+JrKEzWDEzkwOkJWUEcgHbL5VK+YHACADs="/>';
xp.filesystem.icons.smallFile = '<img src="data:image/gif;base64,R0lGODlhEAAQAMIAAAAAAICAgMDAwP///wAAAAAAAAAAAAAAACH5BAEKAAQALAAAAAAQABAAAAM2SBTcrnCNSacIUVYqBobBRgEkAIqVYCohaq2aq57uMLO1Dbfynt8xFJAn9NWGgqRyCSw5n6YEADs="/>';
xp.filesystem.type = 'html5';
xp.filesystem.listDir = function(path, callback) {
xp.filesystem.fs.root.getDirectory(path, {create: false}, function(dirEntry) {
var dirReader = dirEntry.createReader();
var entries = [];
var i = 0;
function readEntries() {
dirReader.readEntries (function(results) {
if (!results.length) {
entries.forEach(function(entry, i) {
var name = entry.name + (entry.isDirectory ? "/" : "");
callback(name);
});
} else {
entries = entries.concat(Array.from(results));
readEntries();
}
}, function(e) {callback(e)});
};
readEntries();
}, function(e) {callback(e)});
};
xp.filesystem.createFile = function(name, callback) {
xp.filesystem.fs.root.getFile(name, {create: true}, function(fileEntry) {
callback();
}, function(e) {callback(e)});
}
xp.filesystem.deleteFile = function(name, callback) {
xp.filesystem.fs.root.getFile(name, {create: false}, function(fileEntry) {
fileEntry.remove(function() {
callback();
}, function(e) {callback(e)});
}, function(e) {callback(e)});
}
xp.filesystem.createDir = function(name, callback) {
xp.filesystem.fs.root.getDirectory(name, {create: true}, function(dirEntry) {
callback();
}, function(e) {callback(e)});
}
xp.filesystem.deleteDir = function(name, callback) {
xp.filesystem.fs.root.getDirectory(name, {create: false}, function(dirEntry) {
dirEntry.removeRecursively(function() {
callback();
}, function(e) {callback(e)});
}, function(e) {callback(e)});
}
xp.filesystem.readFile = function(name, callback) {
xp.filesystem.fs.root.getFile(name, {create: false}, function(fileEntry) {
fileEntry.file(function(file) {
var reader = new FileReader();
reader.onloadend = function(e) {
callback(this.result);
};
reader.readAsText(file);
}, function(e) {callback("")});
}, function(e) {callback("")});
}
xp.filesystem.readBinaryFile = function(name, callback) {
xp.filesystem.fs.root.getFile(name, {create: false}, function(fileEntry) {
fileEntry.file(function(file) {
var reader = new FileReader();
reader.onloadend = function(e) {
callback(this.result);
};
reader.readAsArrayBuffer(file);
}, function(e) {callback("")});
}, function(e) {callback("")});
}
xp.filesystem.writeFile = function(name, blob, callback) {
xp.filesystem.deleteFile(name, (e) => {
xp.filesystem.fs.root.getFile(name, {create: true}, function(fileEntry) {
fileEntry.createWriter(function(fileWriter) {
fileWriter.onwriteend = function(e) {
callback();
};
fileWriter.onerror = function(e) {callback(e)};
fileWriter.write(blob);
}, function(e) {callback(e)});
}, function(e) {callback(e)});
});
}
xp.filesystem.moveFile = function(name, newname, callback) {
xp.filesystem.fs.root.getFile(name, {create: false}, function(fileEntry) {
xp.filesystem.fs.root.getDirectory(newname.substr(0, newname.lastIndexOf("/")), {}, function(dirEntry) {
fileEntry.moveTo(dirEntry, newname.substr(newname.lastIndexOf("/") + 1, newname.length));
setTimeout(() => callback(), 100);
}, function(e) {callback(e)});
}, function(e) {callback(e)});
}
xp.filesystem.moveDir = function(name, newname, callback) {
xp.filesystem.fs.root.getDirectory(name, {create: false}, function(fileEntry) {
xp.filesystem.fs.root.getDirectory(newname.substr(0, newname.lastIndexOf("/")), {}, function(dirEntry) {
fileEntry.moveTo(dirEntry, newname.substr(newname.lastIndexOf("/") + 1, newname.length));
setTimeout(() => callback(), 100);
}, function(e) {callback(e)});
}, function(e) {callback(e)});
}
xp.filesystem.copyFile = function(name, newname, callback) {
xp.filesystem.fs.root.getFile(name, {create: false}, function(fileEntry) {
xp.filesystem.fs.root.getDirectory(newname.substr(0, newname.lastIndexOf("/")), {}, function(dirEntry) {
fileEntry.copyTo(dirEntry, newname.substr(newname.lastIndexOf("/") + 1, newname.length));
setTimeout(() => callback(), 100);
}, function(e) {callback(e)});
}, function(e) {callback(e)});
}
xp.filesystem.copyDir = function(name, newname, callback) {
xp.filesystem.fs.root.getDirectory(name, {create: false}, function(fileEntry) {
xp.filesystem.fs.root.getDirectory(newname.substr(0, newname.lastIndexOf("/")), {}, function(dirEntry) {
fileEntry.copyTo(dirEntry, newname.substr(newname.lastIndexOf("/") + 1, newname.length));
setTimeout(() => callback(), 100);
}, function(e) {callback(e)});
}, function(e) {callback(e)});
}
xp.filesystem.toURL = function(name, callback) {
xp.filesystem.fs.root.getFile(name, {create: false}, function(fileEntry) {
callback(fileEntry.toURL());
}, function(e) {callback("")});
}
xp.filesystem.getDir = function(_dir) {
if (_dir === undefined)
_dir = [""];
var dir = _dir.join("/");
if (dir === "") dir = "/";
return dir;
}
xp.filesystem.addPaths = function(p1, p2) {
var foo = p2.split("/");
var bar = p1.split("/");
foo.forEach(function(val, i) {
if (val === "..") {
bar.splice(-1,1)
} else {
bar = bar.concat(val);
}
});
return xp.filesystem.getDir(bar).replace(/\/\/+/g, '/');
}
xp.filesystem.basename = function(str) {
var base = new String(str).substring(str.lastIndexOf('/') + 1);
if(base.lastIndexOf(".") != -1)
base = base.substring(0, base.lastIndexOf("."));
return base;
}
xp.filesystem.create = function(size, callback, ignoreerrors) {
console.log('Loading idb.filesystem.min.js');
xp.filesystem.type = 'system/idb.filesystem.js';
$.getScript(
'system/idb.filesystem.min.js',
() => {
window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem;
window.directoryEntry = window.directoryEntry || window.webkitDirectoryEntry;
function requestFs(grantedBytes) {
console.log('Requesting persistent file system with size of ' + grantedBytes + ' bytes');
window.requestFileSystem(PERSISTENT, grantedBytes, function(fs) {
xp.filesystem.fs = fs;
console.log('Request successful');
callback();
}, callback);
}
if (window.webkitStorageInfo === undefined) {
requestFs(size);
} else {
window.webkitStorageInfo.requestQuota(PERSISTENT, size, requestFs, callback);
}
}
);
/*try {
window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem;
window.directoryEntry = window.directoryEntry || window.webkitDirectoryEntry;
function requestFs(grantedBytes) {
console.log('Requesting persistent file system with size of ' + grantedBytes + ' bytes');
window.requestFileSystem(PERSISTENT, grantedBytes, function(fs) {
xp.filesystem.fs = fs;
console.log('Request successful');
callback();
}, callback);
}
if (window.webkitStorageInfo === undefined) {
requestFs(size);
} else {
window.webkitStorageInfo.requestQuota(PERSISTENT, size, requestFs, callback);
}
} catch(e) {
if (ignoreerrors !== true) {
console.log('Caught ' + e + ', reverting to idb.filesystem.js for storage');
console.log('Loading ' + window.location.protocol + '//rawgit.com/ebidel/idb.filesystem.js/master/dist/idb.filesystem.min.js');
xp.filesystem.type = 'idb.filesystem.js';
$.getScript(
window.location.protocol + '//rawgit.com/ebidel/idb.filesystem.js/master/dist/idb.filesystem.min.js',
() => xp.filesystem.create(size, callback, true)
);
} else {
console.log(e);
}
}*/
}