browserfs
Version:
A filesystem in your browser!
70 lines • 11 kB
JavaScript
"use strict";
var node_fs_stats_1 = require('../core/node_fs_stats');
var Inode = (function () {
function Inode(id, size, mode, atime, mtime, ctime) {
this.id = id;
this.size = size;
this.mode = mode;
this.atime = atime;
this.mtime = mtime;
this.ctime = ctime;
}
Inode.prototype.toStats = function () {
return new node_fs_stats_1["default"]((this.mode & 0xF000) === node_fs_stats_1.FileType.DIRECTORY ? node_fs_stats_1.FileType.DIRECTORY : node_fs_stats_1.FileType.FILE, this.size, this.mode, new Date(this.atime), new Date(this.mtime), new Date(this.ctime));
};
Inode.prototype.getSize = function () {
return 30 + this.id.length;
};
Inode.prototype.toBuffer = function (buff) {
if (buff === void 0) { buff = new Buffer(this.getSize()); }
buff.writeUInt32LE(this.size, 0);
buff.writeUInt16LE(this.mode, 4);
buff.writeDoubleLE(this.atime, 6);
buff.writeDoubleLE(this.mtime, 14);
buff.writeDoubleLE(this.ctime, 22);
buff.write(this.id, 30, this.id.length, 'ascii');
return buff;
};
Inode.prototype.update = function (stats) {
var hasChanged = false;
if (this.size !== stats.size) {
this.size = stats.size;
hasChanged = true;
}
if (this.mode !== stats.mode) {
this.mode = stats.mode;
hasChanged = true;
}
var atimeMs = stats.atime.getTime();
if (this.atime !== atimeMs) {
this.atime = atimeMs;
hasChanged = true;
}
var mtimeMs = stats.mtime.getTime();
if (this.mtime !== mtimeMs) {
this.mtime = mtimeMs;
hasChanged = true;
}
var ctimeMs = stats.ctime.getTime();
if (this.ctime !== ctimeMs) {
this.ctime = ctimeMs;
hasChanged = true;
}
return hasChanged;
};
Inode.fromBuffer = function (buffer) {
if (buffer === undefined) {
throw new Error("NO");
}
return new Inode(buffer.toString('ascii', 30), buffer.readUInt32LE(0), buffer.readUInt16LE(4), buffer.readDoubleLE(6), buffer.readDoubleLE(14), buffer.readDoubleLE(22));
};
Inode.prototype.isFile = function () {
return (this.mode & 0xF000) === node_fs_stats_1.FileType.FILE;
};
Inode.prototype.isDirectory = function () {
return (this.mode & 0xF000) === node_fs_stats_1.FileType.DIRECTORY;
};
return Inode;
}());
module.exports = Inode;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"inode.js","sourceRoot":"","sources":["../../../src/generic/inode.ts"],"names":[],"mappings":";AAAA,8BAAyC,uBAAuB,CAAC,CAAA;AAKjE;IACE,eAAmB,EAAU,EACpB,IAAY,EACZ,IAAY,EACZ,KAAa,EACb,KAAa,EACb,KAAa;QALH,OAAE,GAAF,EAAE,CAAQ;QACpB,SAAI,GAAJ,IAAI,CAAQ;QACZ,SAAI,GAAJ,IAAI,CAAQ;QACZ,UAAK,GAAL,KAAK,CAAQ;QACb,UAAK,GAAL,KAAK,CAAQ;QACb,UAAK,GAAL,KAAK,CAAQ;IAAI,CAAC;IAKpB,uBAAO,GAAd;QACE,MAAM,CAAC,IAAI,0BAAK,CACd,CAAC,IAAI,CAAC,IAAI,GAAG,MAAM,CAAC,KAAK,wBAAQ,CAAC,SAAS,GAAG,wBAAQ,CAAC,SAAS,GAAG,wBAAQ,CAAC,IAAI,EAChF,IAAI,CAAC,IAAI,EAAE,IAAI,CAAC,IAAI,EAAE,IAAI,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,EAAE,IAAI,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,EAAE,IAAI,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC;IAC5F,CAAC;IAKM,uBAAO,GAAd;QAEE,MAAM,CAAC,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC,MAAM,CAAC;IAC7B,CAAC;IAKM,wBAAQ,GAAf,UAAgB,IAA6C;QAA7C,oBAA6C,GAA7C,WAAuB,MAAM,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC;QAC3D,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;QACjC,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;QACjC,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,KAAK,EAAE,CAAC,CAAC,CAAC;QAClC,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,KAAK,EAAE,EAAE,CAAC,CAAC;QACnC,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,KAAK,EAAE,EAAE,CAAC,CAAC;QACnC,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,EAAE,EAAE,EAAE,EAAE,IAAI,CAAC,EAAE,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;QACjD,MAAM,CAAC,IAAI,CAAC;IACd,CAAC;IAYM,sBAAM,GAAb,UAAc,KAAY;QACxB,IAAI,UAAU,GAAG,KAAK,CAAC;QACvB,EAAE,CAAC,CAAC,IAAI,CAAC,IAAI,KAAK,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC;YAC7B,IAAI,CAAC,IAAI,GAAG,KAAK,CAAC,IAAI,CAAC;YACvB,UAAU,GAAG,IAAI,CAAC;QACpB,CAAC;QAED,EAAE,CAAC,CAAC,IAAI,CAAC,IAAI,KAAK,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC;YAC7B,IAAI,CAAC,IAAI,GAAG,KAAK,CAAC,IAAI,CAAC;YACvB,UAAU,GAAG,IAAI,CAAC;QACpB,CAAC;QAED,IAAI,OAAO,GAAG,KAAK,CAAC,KAAK,CAAC,OAAO,EAAE,CAAC;QACpC,EAAE,CAAC,CAAC,IAAI,CAAC,KAAK,KAAK,OAAO,CAAC,CAAC,CAAC;YAC3B,IAAI,CAAC,KAAK,GAAG,OAAO,CAAC;YACrB,UAAU,GAAG,IAAI,CAAC;QACpB,CAAC;QAED,IAAI,OAAO,GAAG,KAAK,CAAC,KAAK,CAAC,OAAO,EAAE,CAAC;QACpC,EAAE,CAAC,CAAC,IAAI,CAAC,KAAK,KAAK,OAAO,CAAC,CAAC,CAAC;YAC3B,IAAI,CAAC,KAAK,GAAG,OAAO,CAAC;YACrB,UAAU,GAAG,IAAI,CAAC;QACpB,CAAC;QAED,IAAI,OAAO,GAAG,KAAK,CAAC,KAAK,CAAC,OAAO,EAAE,CAAC;QACpC,EAAE,CAAC,CAAC,IAAI,CAAC,KAAK,KAAK,OAAO,CAAC,CAAC,CAAC;YAC3B,IAAI,CAAC,KAAK,GAAG,OAAO,CAAC;YACrB,UAAU,GAAG,IAAI,CAAC;QACpB,CAAC;QAED,MAAM,CAAC,UAAU,CAAC;IACpB,CAAC;IAKa,gBAAU,GAAxB,UAAyB,MAAkB;QACzC,EAAE,CAAC,CAAC,MAAM,KAAK,SAAS,CAAC,CAAC,CAAC;YACzB,MAAM,IAAI,KAAK,CAAC,IAAI,CAAC,CAAC;QACxB,CAAC;QACD,MAAM,CAAC,IAAI,KAAK,CAAC,MAAM,CAAC,QAAQ,CAAC,OAAO,EAAE,EAAE,CAAC,EAC3C,MAAM,CAAC,YAAY,CAAC,CAAC,CAAC,EACtB,MAAM,CAAC,YAAY,CAAC,CAAC,CAAC,EACtB,MAAM,CAAC,YAAY,CAAC,CAAC,CAAC,EACtB,MAAM,CAAC,YAAY,CAAC,EAAE,CAAC,EACvB,MAAM,CAAC,YAAY,CAAC,EAAE,CAAC,CACxB,CAAC;IACJ,CAAC;IAQM,sBAAM,GAAb;QACE,MAAM,CAAC,CAAC,IAAI,CAAC,IAAI,GAAG,MAAM,CAAC,KAAK,wBAAQ,CAAC,IAAI,CAAC;IAChD,CAAC;IAKM,2BAAW,GAAlB;QACE,MAAM,CAAC,CAAC,IAAI,CAAC,IAAI,GAAG,MAAM,CAAC,KAAK,wBAAQ,CAAC,SAAS,CAAC;IACrD,CAAC;IACH,YAAC;AAAD,CAAC,AAjHD,IAiHC;AAED,iBAAS,KAAK,CAAC","sourcesContent":["import {default as Stats, FileType} from '../core/node_fs_stats';\n\n/**\n * Generic inode definition that can easily be serialized.\n */\nclass Inode {\n  constructor(public id: string,\n    public size: number,\n    public mode: number,\n    public atime: number,\n    public mtime: number,\n    public ctime: number) { }\n\n  /**\n   * Handy function that converts the Inode to a Node Stats object.\n   */\n  public toStats(): Stats {\n    return new Stats(\n      (this.mode & 0xF000) === FileType.DIRECTORY ? FileType.DIRECTORY : FileType.FILE,\n      this.size, this.mode, new Date(this.atime), new Date(this.mtime), new Date(this.ctime));\n  }\n\n  /**\n   * Get the size of this Inode, in bytes.\n   */\n  public getSize(): number {\n    // ASSUMPTION: ID is ASCII (1 byte per char).\n    return 30 + this.id.length;\n  }\n\n  /**\n   * Writes the inode into the start of the buffer.\n   */\n  public toBuffer(buff: NodeBuffer = new Buffer(this.getSize())): NodeBuffer {\n    buff.writeUInt32LE(this.size, 0);\n    buff.writeUInt16LE(this.mode, 4);\n    buff.writeDoubleLE(this.atime, 6);\n    buff.writeDoubleLE(this.mtime, 14);\n    buff.writeDoubleLE(this.ctime, 22);\n    buff.write(this.id, 30, this.id.length, 'ascii');\n    return buff;\n  }\n\n  /**\n   * Updates the Inode using information from the stats object. Used by file\n   * systems at sync time, e.g.:\n   * - Program opens file and gets a File object.\n   * - Program mutates file. File object is responsible for maintaining\n   *   metadata changes locally -- typically in a Stats object.\n   * - Program closes file. File object's metadata changes are synced with the\n   *   file system.\n   * @return True if any changes have occurred.\n   */\n  public update(stats: Stats): boolean {\n    var hasChanged = false;\n    if (this.size !== stats.size) {\n      this.size = stats.size;\n      hasChanged = true;\n    }\n\n    if (this.mode !== stats.mode) {\n      this.mode = stats.mode;\n      hasChanged = true;\n    }\n\n    var atimeMs = stats.atime.getTime();\n    if (this.atime !== atimeMs) {\n      this.atime = atimeMs;\n      hasChanged = true;\n    }\n\n    var mtimeMs = stats.mtime.getTime();\n    if (this.mtime !== mtimeMs) {\n      this.mtime = mtimeMs;\n      hasChanged = true;\n    }\n\n    var ctimeMs = stats.ctime.getTime();\n    if (this.ctime !== ctimeMs) {\n      this.ctime = ctimeMs;\n      hasChanged = true;\n    }\n\n    return hasChanged;\n  }\n\n  /**\n   * Converts the buffer into an Inode.\n   */\n  public static fromBuffer(buffer: NodeBuffer): Inode {\n    if (buffer === undefined) {\n      throw new Error(\"NO\");\n    }\n    return new Inode(buffer.toString('ascii', 30),\n      buffer.readUInt32LE(0),\n      buffer.readUInt16LE(4),\n      buffer.readDoubleLE(6),\n      buffer.readDoubleLE(14),\n      buffer.readDoubleLE(22)\n    );\n  }\n\n  // XXX: Copied from Stats. Should reconcile these two into something more\n  //      compact.\n\n  /**\n   * @return [Boolean] True if this item is a file.\n   */\n  public isFile(): boolean {\n    return (this.mode & 0xF000) === FileType.FILE;\n  }\n\n  /**\n   * @return [Boolean] True if this item is a directory.\n   */\n  public isDirectory(): boolean {\n    return (this.mode & 0xF000) === FileType.DIRECTORY;\n  }\n}\n\nexport = Inode;\n"]}