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- "use strict";
- var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- if (typeof b !== "function" && b !== null)
- throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
- })();
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.File = exports.Link = exports.Node = exports.SEP = void 0;
- var process_1 = require("./process");
- var buffer_1 = require("./internal/buffer");
- var constants_1 = require("./constants");
- var events_1 = require("events");
- var Stats_1 = require("./Stats");
- var S_IFMT = constants_1.constants.S_IFMT, S_IFDIR = constants_1.constants.S_IFDIR, S_IFREG = constants_1.constants.S_IFREG, S_IFLNK = constants_1.constants.S_IFLNK, O_APPEND = constants_1.constants.O_APPEND;
- exports.SEP = '/';
- var Node = (function (_super) {
- __extends(Node, _super);
- function Node(ino, perm) {
- if (perm === void 0) { perm = 438; }
- var _this = _super.call(this) || this;
-
- _this.uid = process_1.default.getuid();
- _this.gid = process_1.default.getgid();
- _this.atime = new Date();
- _this.mtime = new Date();
- _this.ctime = new Date();
- _this.perm = 438;
- _this.mode = S_IFREG;
-
- _this.nlink = 1;
- _this.perm = perm;
- _this.mode |= perm;
- _this.ino = ino;
- return _this;
- }
- Node.prototype.getString = function (encoding) {
- if (encoding === void 0) { encoding = 'utf8'; }
- return this.getBuffer().toString(encoding);
- };
- Node.prototype.setString = function (str) {
-
- this.buf = (0, buffer_1.bufferFrom)(str, 'utf8');
- this.touch();
- };
- Node.prototype.getBuffer = function () {
- if (!this.buf)
- this.setBuffer((0, buffer_1.bufferAllocUnsafe)(0));
- return (0, buffer_1.bufferFrom)(this.buf);
- };
- Node.prototype.setBuffer = function (buf) {
- this.buf = (0, buffer_1.bufferFrom)(buf);
- this.touch();
- };
- Node.prototype.getSize = function () {
- return this.buf ? this.buf.length : 0;
- };
- Node.prototype.setModeProperty = function (property) {
- this.mode = (this.mode & ~S_IFMT) | property;
- };
- Node.prototype.setIsFile = function () {
- this.setModeProperty(S_IFREG);
- };
- Node.prototype.setIsDirectory = function () {
- this.setModeProperty(S_IFDIR);
- };
- Node.prototype.setIsSymlink = function () {
- this.setModeProperty(S_IFLNK);
- };
- Node.prototype.isFile = function () {
- return (this.mode & S_IFMT) === S_IFREG;
- };
- Node.prototype.isDirectory = function () {
- return (this.mode & S_IFMT) === S_IFDIR;
- };
- Node.prototype.isSymlink = function () {
-
- return (this.mode & S_IFMT) === S_IFLNK;
- };
- Node.prototype.makeSymlink = function (steps) {
- this.symlink = steps;
- this.setIsSymlink();
- };
- Node.prototype.write = function (buf, off, len, pos) {
- if (off === void 0) { off = 0; }
- if (len === void 0) { len = buf.length; }
- if (pos === void 0) { pos = 0; }
- if (!this.buf)
- this.buf = (0, buffer_1.bufferAllocUnsafe)(0);
- if (pos + len > this.buf.length) {
- var newBuf = (0, buffer_1.bufferAllocUnsafe)(pos + len);
- this.buf.copy(newBuf, 0, 0, this.buf.length);
- this.buf = newBuf;
- }
- buf.copy(this.buf, pos, off, off + len);
- this.touch();
- return len;
- };
-
- Node.prototype.read = function (buf, off, len, pos) {
- if (off === void 0) { off = 0; }
- if (len === void 0) { len = buf.byteLength; }
- if (pos === void 0) { pos = 0; }
- if (!this.buf)
- this.buf = (0, buffer_1.bufferAllocUnsafe)(0);
- var actualLen = len;
- if (actualLen > buf.byteLength) {
- actualLen = buf.byteLength;
- }
- if (actualLen + pos > this.buf.length) {
- actualLen = this.buf.length - pos;
- }
- this.buf.copy(buf, off, pos, pos + actualLen);
- return actualLen;
- };
- Node.prototype.truncate = function (len) {
- if (len === void 0) { len = 0; }
- if (!len)
- this.buf = (0, buffer_1.bufferAllocUnsafe)(0);
- else {
- if (!this.buf)
- this.buf = (0, buffer_1.bufferAllocUnsafe)(0);
- if (len <= this.buf.length) {
- this.buf = this.buf.slice(0, len);
- }
- else {
- var buf = (0, buffer_1.bufferAllocUnsafe)(0);
- this.buf.copy(buf);
- buf.fill(0, len);
- }
- }
- this.touch();
- };
- Node.prototype.chmod = function (perm) {
- this.perm = perm;
- this.mode = (this.mode & ~511) | perm;
- this.touch();
- };
- Node.prototype.chown = function (uid, gid) {
- this.uid = uid;
- this.gid = gid;
- this.touch();
- };
- Node.prototype.touch = function () {
- this.mtime = new Date();
- this.emit('change', this);
- };
- Node.prototype.canRead = function (uid, gid) {
- if (uid === void 0) { uid = process_1.default.getuid(); }
- if (gid === void 0) { gid = process_1.default.getgid(); }
- if (this.perm & 4 ) {
- return true;
- }
- if (gid === this.gid) {
- if (this.perm & 32 ) {
- return true;
- }
- }
- if (uid === this.uid) {
- if (this.perm & 256 ) {
- return true;
- }
- }
- return false;
- };
- Node.prototype.canWrite = function (uid, gid) {
- if (uid === void 0) { uid = process_1.default.getuid(); }
- if (gid === void 0) { gid = process_1.default.getgid(); }
- if (this.perm & 2 ) {
- return true;
- }
- if (gid === this.gid) {
- if (this.perm & 16 ) {
- return true;
- }
- }
- if (uid === this.uid) {
- if (this.perm & 128 ) {
- return true;
- }
- }
- return false;
- };
- Node.prototype.del = function () {
- this.emit('delete', this);
- };
- Node.prototype.toJSON = function () {
- return {
- ino: this.ino,
- uid: this.uid,
- gid: this.gid,
- atime: this.atime.getTime(),
- mtime: this.mtime.getTime(),
- ctime: this.ctime.getTime(),
- perm: this.perm,
- mode: this.mode,
- nlink: this.nlink,
- symlink: this.symlink,
- data: this.getString(),
- };
- };
- return Node;
- }(events_1.EventEmitter));
- exports.Node = Node;
- var Link = (function (_super) {
- __extends(Link, _super);
- function Link(vol, parent, name) {
- var _this = _super.call(this) || this;
- _this.children = {};
-
- _this._steps = [];
-
- _this.ino = 0;
-
- _this.length = 0;
- _this.vol = vol;
- _this.parent = parent;
- _this.name = name;
- _this.syncSteps();
- return _this;
- }
- Object.defineProperty(Link.prototype, "steps", {
- get: function () {
- return this._steps;
- },
-
- set: function (val) {
- this._steps = val;
- for (var _i = 0, _a = Object.values(this.children); _i < _a.length; _i++) {
- var child = _a[_i];
- child === null || child === void 0 ? void 0 : child.syncSteps();
- }
- },
- enumerable: false,
- configurable: true
- });
- Link.prototype.setNode = function (node) {
- this.node = node;
- this.ino = node.ino;
- };
- Link.prototype.getNode = function () {
- return this.node;
- };
- Link.prototype.createChild = function (name, node) {
- if (node === void 0) { node = this.vol.createNode(); }
- var link = new Link(this.vol, this, name);
- link.setNode(node);
- if (node.isDirectory()) {
-
-
-
-
- }
- this.setChild(name, link);
- return link;
- };
- Link.prototype.setChild = function (name, link) {
- if (link === void 0) { link = new Link(this.vol, this, name); }
- this.children[name] = link;
- link.parent = this;
- this.length++;
- this.emit('child:add', link, this);
- return link;
- };
- Link.prototype.deleteChild = function (link) {
- delete this.children[link.getName()];
- this.length--;
- this.emit('child:delete', link, this);
- };
- Link.prototype.getChild = function (name) {
- if (Object.hasOwnProperty.call(this.children, name)) {
- return this.children[name];
- }
- };
- Link.prototype.getPath = function () {
- return this.steps.join(exports.SEP);
- };
- Link.prototype.getName = function () {
- return this.steps[this.steps.length - 1];
- };
-
-
-
-
-
-
-
-
-
- Link.prototype.walk = function (steps, stop, i) {
- if (stop === void 0) { stop = steps.length; }
- if (i === void 0) { i = 0; }
- if (i >= steps.length)
- return this;
- if (i >= stop)
- return this;
- var step = steps[i];
- var link = this.getChild(step);
- if (!link)
- return null;
- return link.walk(steps, stop, i + 1);
- };
- Link.prototype.toJSON = function () {
- return {
- steps: this.steps,
- ino: this.ino,
- children: Object.keys(this.children),
- };
- };
- Link.prototype.syncSteps = function () {
- this.steps = this.parent ? this.parent.steps.concat([this.name]) : [this.name];
- };
- return Link;
- }(events_1.EventEmitter));
- exports.Link = Link;
- var File = (function () {
-
- function File(link, node, flags, fd) {
-
- this.position = 0;
- this.link = link;
- this.node = node;
- this.flags = flags;
- this.fd = fd;
- }
- File.prototype.getString = function (encoding) {
- if (encoding === void 0) { encoding = 'utf8'; }
- return this.node.getString();
- };
- File.prototype.setString = function (str) {
- this.node.setString(str);
- };
- File.prototype.getBuffer = function () {
- return this.node.getBuffer();
- };
- File.prototype.setBuffer = function (buf) {
- this.node.setBuffer(buf);
- };
- File.prototype.getSize = function () {
- return this.node.getSize();
- };
- File.prototype.truncate = function (len) {
- this.node.truncate(len);
- };
- File.prototype.seekTo = function (position) {
- this.position = position;
- };
- File.prototype.stats = function () {
- return Stats_1.default.build(this.node);
- };
- File.prototype.write = function (buf, offset, length, position) {
- if (offset === void 0) { offset = 0; }
- if (length === void 0) { length = buf.length; }
- if (typeof position !== 'number')
- position = this.position;
- if (this.flags & O_APPEND)
- position = this.getSize();
- var bytes = this.node.write(buf, offset, length, position);
- this.position = position + bytes;
- return bytes;
- };
- File.prototype.read = function (buf, offset, length, position) {
- if (offset === void 0) { offset = 0; }
- if (length === void 0) { length = buf.byteLength; }
- if (typeof position !== 'number')
- position = this.position;
- var bytes = this.node.read(buf, offset, length, position);
- this.position = position + bytes;
- return bytes;
- };
- File.prototype.chmod = function (perm) {
- this.node.chmod(perm);
- };
- File.prototype.chown = function (uid, gid) {
- this.node.chown(uid, gid);
- };
- return File;
- }());
- exports.File = File;
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