| [6a3a178] | 1 | "use strict";
|
|---|
| 2 | var __extends = (this && this.__extends) || (function () {
|
|---|
| 3 | var extendStatics = function (d, b) {
|
|---|
| 4 | extendStatics = Object.setPrototypeOf ||
|
|---|
| 5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
|
|---|
| 6 | function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
|
|---|
| 7 | return extendStatics(d, b);
|
|---|
| 8 | };
|
|---|
| 9 | return function (d, b) {
|
|---|
| 10 | if (typeof b !== "function" && b !== null)
|
|---|
| 11 | throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
|
|---|
| 12 | extendStatics(d, b);
|
|---|
| 13 | function __() { this.constructor = d; }
|
|---|
| 14 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
|---|
| 15 | };
|
|---|
| 16 | })();
|
|---|
| 17 | Object.defineProperty(exports, "__esModule", { value: true });
|
|---|
| 18 | exports.File = exports.Link = exports.Node = exports.SEP = void 0;
|
|---|
| 19 | var process_1 = require("./process");
|
|---|
| 20 | var buffer_1 = require("./internal/buffer");
|
|---|
| 21 | var constants_1 = require("./constants");
|
|---|
| 22 | var events_1 = require("events");
|
|---|
| 23 | var Stats_1 = require("./Stats");
|
|---|
| 24 | 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;
|
|---|
| 25 | exports.SEP = '/';
|
|---|
| 26 | /**
|
|---|
| 27 | * Node in a file system (like i-node, v-node).
|
|---|
| 28 | */
|
|---|
| 29 | var Node = /** @class */ (function (_super) {
|
|---|
| 30 | __extends(Node, _super);
|
|---|
| 31 | function Node(ino, perm) {
|
|---|
| 32 | if (perm === void 0) { perm = 438; }
|
|---|
| 33 | var _this = _super.call(this) || this;
|
|---|
| 34 | // User ID and group ID.
|
|---|
| 35 | _this.uid = process_1.default.getuid();
|
|---|
| 36 | _this.gid = process_1.default.getgid();
|
|---|
| 37 | _this.atime = new Date();
|
|---|
| 38 | _this.mtime = new Date();
|
|---|
| 39 | _this.ctime = new Date();
|
|---|
| 40 | _this.perm = 438; // Permissions `chmod`, `fchmod`
|
|---|
| 41 | _this.mode = S_IFREG; // S_IFDIR, S_IFREG, etc.. (file by default?)
|
|---|
| 42 | // Number of hard links pointing at this Node.
|
|---|
| 43 | _this.nlink = 1;
|
|---|
| 44 | _this.perm = perm;
|
|---|
| 45 | _this.mode |= perm;
|
|---|
| 46 | _this.ino = ino;
|
|---|
| 47 | return _this;
|
|---|
| 48 | }
|
|---|
| 49 | Node.prototype.getString = function (encoding) {
|
|---|
| 50 | if (encoding === void 0) { encoding = 'utf8'; }
|
|---|
| 51 | return this.getBuffer().toString(encoding);
|
|---|
| 52 | };
|
|---|
| 53 | Node.prototype.setString = function (str) {
|
|---|
| 54 | // this.setBuffer(bufferFrom(str, 'utf8'));
|
|---|
| 55 | this.buf = (0, buffer_1.bufferFrom)(str, 'utf8');
|
|---|
| 56 | this.touch();
|
|---|
| 57 | };
|
|---|
| 58 | Node.prototype.getBuffer = function () {
|
|---|
| 59 | if (!this.buf)
|
|---|
| 60 | this.setBuffer((0, buffer_1.bufferAllocUnsafe)(0));
|
|---|
| 61 | return (0, buffer_1.bufferFrom)(this.buf); // Return a copy.
|
|---|
| 62 | };
|
|---|
| 63 | Node.prototype.setBuffer = function (buf) {
|
|---|
| 64 | this.buf = (0, buffer_1.bufferFrom)(buf); // Creates a copy of data.
|
|---|
| 65 | this.touch();
|
|---|
| 66 | };
|
|---|
| 67 | Node.prototype.getSize = function () {
|
|---|
| 68 | return this.buf ? this.buf.length : 0;
|
|---|
| 69 | };
|
|---|
| 70 | Node.prototype.setModeProperty = function (property) {
|
|---|
| 71 | this.mode = (this.mode & ~S_IFMT) | property;
|
|---|
| 72 | };
|
|---|
| 73 | Node.prototype.setIsFile = function () {
|
|---|
| 74 | this.setModeProperty(S_IFREG);
|
|---|
| 75 | };
|
|---|
| 76 | Node.prototype.setIsDirectory = function () {
|
|---|
| 77 | this.setModeProperty(S_IFDIR);
|
|---|
| 78 | };
|
|---|
| 79 | Node.prototype.setIsSymlink = function () {
|
|---|
| 80 | this.setModeProperty(S_IFLNK);
|
|---|
| 81 | };
|
|---|
| 82 | Node.prototype.isFile = function () {
|
|---|
| 83 | return (this.mode & S_IFMT) === S_IFREG;
|
|---|
| 84 | };
|
|---|
| 85 | Node.prototype.isDirectory = function () {
|
|---|
| 86 | return (this.mode & S_IFMT) === S_IFDIR;
|
|---|
| 87 | };
|
|---|
| 88 | Node.prototype.isSymlink = function () {
|
|---|
| 89 | // return !!this.symlink;
|
|---|
| 90 | return (this.mode & S_IFMT) === S_IFLNK;
|
|---|
| 91 | };
|
|---|
| 92 | Node.prototype.makeSymlink = function (steps) {
|
|---|
| 93 | this.symlink = steps;
|
|---|
| 94 | this.setIsSymlink();
|
|---|
| 95 | };
|
|---|
| 96 | Node.prototype.write = function (buf, off, len, pos) {
|
|---|
| 97 | if (off === void 0) { off = 0; }
|
|---|
| 98 | if (len === void 0) { len = buf.length; }
|
|---|
| 99 | if (pos === void 0) { pos = 0; }
|
|---|
| 100 | if (!this.buf)
|
|---|
| 101 | this.buf = (0, buffer_1.bufferAllocUnsafe)(0);
|
|---|
| 102 | if (pos + len > this.buf.length) {
|
|---|
| 103 | var newBuf = (0, buffer_1.bufferAllocUnsafe)(pos + len);
|
|---|
| 104 | this.buf.copy(newBuf, 0, 0, this.buf.length);
|
|---|
| 105 | this.buf = newBuf;
|
|---|
| 106 | }
|
|---|
| 107 | buf.copy(this.buf, pos, off, off + len);
|
|---|
| 108 | this.touch();
|
|---|
| 109 | return len;
|
|---|
| 110 | };
|
|---|
| 111 | // Returns the number of bytes read.
|
|---|
| 112 | Node.prototype.read = function (buf, off, len, pos) {
|
|---|
| 113 | if (off === void 0) { off = 0; }
|
|---|
| 114 | if (len === void 0) { len = buf.byteLength; }
|
|---|
| 115 | if (pos === void 0) { pos = 0; }
|
|---|
| 116 | if (!this.buf)
|
|---|
| 117 | this.buf = (0, buffer_1.bufferAllocUnsafe)(0);
|
|---|
| 118 | var actualLen = len;
|
|---|
| 119 | if (actualLen > buf.byteLength) {
|
|---|
| 120 | actualLen = buf.byteLength;
|
|---|
| 121 | }
|
|---|
| 122 | if (actualLen + pos > this.buf.length) {
|
|---|
| 123 | actualLen = this.buf.length - pos;
|
|---|
| 124 | }
|
|---|
| 125 | this.buf.copy(buf, off, pos, pos + actualLen);
|
|---|
| 126 | return actualLen;
|
|---|
| 127 | };
|
|---|
| 128 | Node.prototype.truncate = function (len) {
|
|---|
| 129 | if (len === void 0) { len = 0; }
|
|---|
| 130 | if (!len)
|
|---|
| 131 | this.buf = (0, buffer_1.bufferAllocUnsafe)(0);
|
|---|
| 132 | else {
|
|---|
| 133 | if (!this.buf)
|
|---|
| 134 | this.buf = (0, buffer_1.bufferAllocUnsafe)(0);
|
|---|
| 135 | if (len <= this.buf.length) {
|
|---|
| 136 | this.buf = this.buf.slice(0, len);
|
|---|
| 137 | }
|
|---|
| 138 | else {
|
|---|
| 139 | var buf = (0, buffer_1.bufferAllocUnsafe)(0);
|
|---|
| 140 | this.buf.copy(buf);
|
|---|
| 141 | buf.fill(0, len);
|
|---|
| 142 | }
|
|---|
| 143 | }
|
|---|
| 144 | this.touch();
|
|---|
| 145 | };
|
|---|
| 146 | Node.prototype.chmod = function (perm) {
|
|---|
| 147 | this.perm = perm;
|
|---|
| 148 | this.mode = (this.mode & ~511) | perm;
|
|---|
| 149 | this.touch();
|
|---|
| 150 | };
|
|---|
| 151 | Node.prototype.chown = function (uid, gid) {
|
|---|
| 152 | this.uid = uid;
|
|---|
| 153 | this.gid = gid;
|
|---|
| 154 | this.touch();
|
|---|
| 155 | };
|
|---|
| 156 | Node.prototype.touch = function () {
|
|---|
| 157 | this.mtime = new Date();
|
|---|
| 158 | this.emit('change', this);
|
|---|
| 159 | };
|
|---|
| 160 | Node.prototype.canRead = function (uid, gid) {
|
|---|
| 161 | if (uid === void 0) { uid = process_1.default.getuid(); }
|
|---|
| 162 | if (gid === void 0) { gid = process_1.default.getgid(); }
|
|---|
| 163 | if (this.perm & 4 /* IROTH */) {
|
|---|
| 164 | return true;
|
|---|
| 165 | }
|
|---|
| 166 | if (gid === this.gid) {
|
|---|
| 167 | if (this.perm & 32 /* IRGRP */) {
|
|---|
| 168 | return true;
|
|---|
| 169 | }
|
|---|
| 170 | }
|
|---|
| 171 | if (uid === this.uid) {
|
|---|
| 172 | if (this.perm & 256 /* IRUSR */) {
|
|---|
| 173 | return true;
|
|---|
| 174 | }
|
|---|
| 175 | }
|
|---|
| 176 | return false;
|
|---|
| 177 | };
|
|---|
| 178 | Node.prototype.canWrite = function (uid, gid) {
|
|---|
| 179 | if (uid === void 0) { uid = process_1.default.getuid(); }
|
|---|
| 180 | if (gid === void 0) { gid = process_1.default.getgid(); }
|
|---|
| 181 | if (this.perm & 2 /* IWOTH */) {
|
|---|
| 182 | return true;
|
|---|
| 183 | }
|
|---|
| 184 | if (gid === this.gid) {
|
|---|
| 185 | if (this.perm & 16 /* IWGRP */) {
|
|---|
| 186 | return true;
|
|---|
| 187 | }
|
|---|
| 188 | }
|
|---|
| 189 | if (uid === this.uid) {
|
|---|
| 190 | if (this.perm & 128 /* IWUSR */) {
|
|---|
| 191 | return true;
|
|---|
| 192 | }
|
|---|
| 193 | }
|
|---|
| 194 | return false;
|
|---|
| 195 | };
|
|---|
| 196 | Node.prototype.del = function () {
|
|---|
| 197 | this.emit('delete', this);
|
|---|
| 198 | };
|
|---|
| 199 | Node.prototype.toJSON = function () {
|
|---|
| 200 | return {
|
|---|
| 201 | ino: this.ino,
|
|---|
| 202 | uid: this.uid,
|
|---|
| 203 | gid: this.gid,
|
|---|
| 204 | atime: this.atime.getTime(),
|
|---|
| 205 | mtime: this.mtime.getTime(),
|
|---|
| 206 | ctime: this.ctime.getTime(),
|
|---|
| 207 | perm: this.perm,
|
|---|
| 208 | mode: this.mode,
|
|---|
| 209 | nlink: this.nlink,
|
|---|
| 210 | symlink: this.symlink,
|
|---|
| 211 | data: this.getString(),
|
|---|
| 212 | };
|
|---|
| 213 | };
|
|---|
| 214 | return Node;
|
|---|
| 215 | }(events_1.EventEmitter));
|
|---|
| 216 | exports.Node = Node;
|
|---|
| 217 | /**
|
|---|
| 218 | * Represents a hard link that points to an i-node `node`.
|
|---|
| 219 | */
|
|---|
| 220 | var Link = /** @class */ (function (_super) {
|
|---|
| 221 | __extends(Link, _super);
|
|---|
| 222 | function Link(vol, parent, name) {
|
|---|
| 223 | var _this = _super.call(this) || this;
|
|---|
| 224 | _this.children = {};
|
|---|
| 225 | // Path to this node as Array: ['usr', 'bin', 'node'].
|
|---|
| 226 | _this.steps = [];
|
|---|
| 227 | // "i-node" number of the node.
|
|---|
| 228 | _this.ino = 0;
|
|---|
| 229 | // Number of children.
|
|---|
| 230 | _this.length = 0;
|
|---|
| 231 | _this.vol = vol;
|
|---|
| 232 | _this.parent = parent;
|
|---|
| 233 | _this.steps = parent ? parent.steps.concat([name]) : [name];
|
|---|
| 234 | return _this;
|
|---|
| 235 | }
|
|---|
| 236 | Link.prototype.setNode = function (node) {
|
|---|
| 237 | this.node = node;
|
|---|
| 238 | this.ino = node.ino;
|
|---|
| 239 | };
|
|---|
| 240 | Link.prototype.getNode = function () {
|
|---|
| 241 | return this.node;
|
|---|
| 242 | };
|
|---|
| 243 | Link.prototype.createChild = function (name, node) {
|
|---|
| 244 | if (node === void 0) { node = this.vol.createNode(); }
|
|---|
| 245 | var link = new Link(this.vol, this, name);
|
|---|
| 246 | link.setNode(node);
|
|---|
| 247 | if (node.isDirectory()) {
|
|---|
| 248 | // link.setChild('.', link);
|
|---|
| 249 | // link.getNode().nlink++;
|
|---|
| 250 | // link.setChild('..', this);
|
|---|
| 251 | // this.getNode().nlink++;
|
|---|
| 252 | }
|
|---|
| 253 | this.setChild(name, link);
|
|---|
| 254 | return link;
|
|---|
| 255 | };
|
|---|
| 256 | Link.prototype.setChild = function (name, link) {
|
|---|
| 257 | if (link === void 0) { link = new Link(this.vol, this, name); }
|
|---|
| 258 | this.children[name] = link;
|
|---|
| 259 | link.parent = this;
|
|---|
| 260 | this.length++;
|
|---|
| 261 | this.emit('child:add', link, this);
|
|---|
| 262 | return link;
|
|---|
| 263 | };
|
|---|
| 264 | Link.prototype.deleteChild = function (link) {
|
|---|
| 265 | delete this.children[link.getName()];
|
|---|
| 266 | this.length--;
|
|---|
| 267 | this.emit('child:delete', link, this);
|
|---|
| 268 | };
|
|---|
| 269 | Link.prototype.getChild = function (name) {
|
|---|
| 270 | if (Object.hasOwnProperty.call(this.children, name)) {
|
|---|
| 271 | return this.children[name];
|
|---|
| 272 | }
|
|---|
| 273 | };
|
|---|
| 274 | Link.prototype.getPath = function () {
|
|---|
| 275 | return this.steps.join(exports.SEP);
|
|---|
| 276 | };
|
|---|
| 277 | Link.prototype.getName = function () {
|
|---|
| 278 | return this.steps[this.steps.length - 1];
|
|---|
| 279 | };
|
|---|
| 280 | // del() {
|
|---|
| 281 | // const parent = this.parent;
|
|---|
| 282 | // if(parent) {
|
|---|
| 283 | // parent.deleteChild(link);
|
|---|
| 284 | // }
|
|---|
| 285 | // this.parent = null;
|
|---|
| 286 | // this.vol = null;
|
|---|
| 287 | // }
|
|---|
| 288 | /**
|
|---|
| 289 | * Walk the tree path and return the `Link` at that location, if any.
|
|---|
| 290 | * @param steps {string[]} Desired location.
|
|---|
| 291 | * @param stop {number} Max steps to go into.
|
|---|
| 292 | * @param i {number} Current step in the `steps` array.
|
|---|
| 293 | *
|
|---|
| 294 | * @return {Link|null}
|
|---|
| 295 | */
|
|---|
| 296 | Link.prototype.walk = function (steps, stop, i) {
|
|---|
| 297 | if (stop === void 0) { stop = steps.length; }
|
|---|
| 298 | if (i === void 0) { i = 0; }
|
|---|
| 299 | if (i >= steps.length)
|
|---|
| 300 | return this;
|
|---|
| 301 | if (i >= stop)
|
|---|
| 302 | return this;
|
|---|
| 303 | var step = steps[i];
|
|---|
| 304 | var link = this.getChild(step);
|
|---|
| 305 | if (!link)
|
|---|
| 306 | return null;
|
|---|
| 307 | return link.walk(steps, stop, i + 1);
|
|---|
| 308 | };
|
|---|
| 309 | Link.prototype.toJSON = function () {
|
|---|
| 310 | return {
|
|---|
| 311 | steps: this.steps,
|
|---|
| 312 | ino: this.ino,
|
|---|
| 313 | children: Object.keys(this.children),
|
|---|
| 314 | };
|
|---|
| 315 | };
|
|---|
| 316 | return Link;
|
|---|
| 317 | }(events_1.EventEmitter));
|
|---|
| 318 | exports.Link = Link;
|
|---|
| 319 | /**
|
|---|
| 320 | * Represents an open file (file descriptor) that points to a `Link` (Hard-link) and a `Node`.
|
|---|
| 321 | */
|
|---|
| 322 | var File = /** @class */ (function () {
|
|---|
| 323 | /**
|
|---|
| 324 | * Open a Link-Node pair. `node` is provided separately as that might be a different node
|
|---|
| 325 | * rather the one `link` points to, because it might be a symlink.
|
|---|
| 326 | * @param link
|
|---|
| 327 | * @param node
|
|---|
| 328 | * @param flags
|
|---|
| 329 | * @param fd
|
|---|
| 330 | */
|
|---|
| 331 | function File(link, node, flags, fd) {
|
|---|
| 332 | /**
|
|---|
| 333 | * A cursor/offset position in a file, where data will be written on write.
|
|---|
| 334 | * User can "seek" this position.
|
|---|
| 335 | */
|
|---|
| 336 | this.position = 0;
|
|---|
| 337 | this.link = link;
|
|---|
| 338 | this.node = node;
|
|---|
| 339 | this.flags = flags;
|
|---|
| 340 | this.fd = fd;
|
|---|
| 341 | }
|
|---|
| 342 | File.prototype.getString = function (encoding) {
|
|---|
| 343 | if (encoding === void 0) { encoding = 'utf8'; }
|
|---|
| 344 | return this.node.getString();
|
|---|
| 345 | };
|
|---|
| 346 | File.prototype.setString = function (str) {
|
|---|
| 347 | this.node.setString(str);
|
|---|
| 348 | };
|
|---|
| 349 | File.prototype.getBuffer = function () {
|
|---|
| 350 | return this.node.getBuffer();
|
|---|
| 351 | };
|
|---|
| 352 | File.prototype.setBuffer = function (buf) {
|
|---|
| 353 | this.node.setBuffer(buf);
|
|---|
| 354 | };
|
|---|
| 355 | File.prototype.getSize = function () {
|
|---|
| 356 | return this.node.getSize();
|
|---|
| 357 | };
|
|---|
| 358 | File.prototype.truncate = function (len) {
|
|---|
| 359 | this.node.truncate(len);
|
|---|
| 360 | };
|
|---|
| 361 | File.prototype.seekTo = function (position) {
|
|---|
| 362 | this.position = position;
|
|---|
| 363 | };
|
|---|
| 364 | File.prototype.stats = function () {
|
|---|
| 365 | return Stats_1.default.build(this.node);
|
|---|
| 366 | };
|
|---|
| 367 | File.prototype.write = function (buf, offset, length, position) {
|
|---|
| 368 | if (offset === void 0) { offset = 0; }
|
|---|
| 369 | if (length === void 0) { length = buf.length; }
|
|---|
| 370 | if (typeof position !== 'number')
|
|---|
| 371 | position = this.position;
|
|---|
| 372 | if (this.flags & O_APPEND)
|
|---|
| 373 | position = this.getSize();
|
|---|
| 374 | var bytes = this.node.write(buf, offset, length, position);
|
|---|
| 375 | this.position = position + bytes;
|
|---|
| 376 | return bytes;
|
|---|
| 377 | };
|
|---|
| 378 | File.prototype.read = function (buf, offset, length, position) {
|
|---|
| 379 | if (offset === void 0) { offset = 0; }
|
|---|
| 380 | if (length === void 0) { length = buf.byteLength; }
|
|---|
| 381 | if (typeof position !== 'number')
|
|---|
| 382 | position = this.position;
|
|---|
| 383 | var bytes = this.node.read(buf, offset, length, position);
|
|---|
| 384 | this.position = position + bytes;
|
|---|
| 385 | return bytes;
|
|---|
| 386 | };
|
|---|
| 387 | File.prototype.chmod = function (perm) {
|
|---|
| 388 | this.node.chmod(perm);
|
|---|
| 389 | };
|
|---|
| 390 | File.prototype.chown = function (uid, gid) {
|
|---|
| 391 | this.node.chown(uid, gid);
|
|---|
| 392 | };
|
|---|
| 393 | return File;
|
|---|
| 394 | }());
|
|---|
| 395 | exports.File = File;
|
|---|
