Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 | 65x 65x 65x 65x 65x 21621x 21621x 65x 3052x 3052x 3052x 3052x 3052x 3052x 3052x 3052x 3052x 3052x 12010x 752x 4x 4x 850x 4x 4x 850x 15823x 741x 6639x 6639x 765x 18803x 1x 1x 5362x 5362x 6107x 132x 132x 10x 10x 536x 536x 536x 1x 1x 795x 553x 35208x 12789x 1x 90x 90x 1192x 1192x 1166x 1166x 1166x 1192x 1192x 1192x 63x 63x 63x 47x 47x 47x 16x 47x 47x 47x 1176x 13x 13x 8x 5x 5x 5x 5x 1176x 157x 157x 3x 3x 3x 2539x 2539x 702x 684x 18x 18x 18x 18x 4x 14x 3558x 3522x 36x 36x 36x 36x 7x 29x 14309x 14248x 61x 61x 61x 61x 61x 9x | import { FanOut } from 'thingies/lib/fanout'; import process from '../process'; import { Buffer, bufferAllocUnsafe, bufferFrom } from '../vendor/node/internal/buffer'; import { constants, S } from '../constants'; export type NodeEventModify = [type: 'modify']; export type NodeEventDelete = [type: 'delete']; export type NodeEvent = NodeEventModify | NodeEventDelete; const { S_IFMT, S_IFDIR, S_IFREG, S_IFLNK, S_IFCHR } = constants; const getuid = (): number => process.getuid?.() ?? 0; const getgid = (): number => process.getgid?.() ?? 0; /** * Node in a file system (like i-node, v-node). */ export class Node { public readonly changes = new FanOut<NodeEvent>(); // i-node number. ino: number; // User ID and group ID. private _uid: number = getuid(); private _gid: number = getgid(); private _atime = new Date(); private _mtime = new Date(); private _ctime = new Date(); // data: string = ''; buf: Buffer; rdev: number = 0; mode: number; // S_IFDIR, S_IFREG, etc.. // Number of hard links pointing at this Node. private _nlink = 1; // Path to another node, if this is a symlink. symlink: string; constructor(ino: number, mode: number = 0o666) { this.mode = mode; this.ino = ino; } public set ctime(ctime: Date) { this._ctime = ctime; } public get ctime(): Date { return this._ctime; } public set uid(uid: number) { this._uid = uid; this.ctime = new Date(); } public get uid(): number { return this._uid; } public set gid(gid: number) { this._gid = gid; this.ctime = new Date(); } public get gid(): number { return this._gid; } public set atime(atime: Date) { this._atime = atime; } public get atime(): Date { return this._atime; } public set mtime(mtime: Date) { this._mtime = mtime; this.ctime = new Date(); } public get mtime(): Date { return this._mtime; } public get perm(): number { return this.mode & ~S_IFMT; } public set perm(perm: number) { this.mode = (this.mode & S_IFMT) | (perm & ~S_IFMT); this.ctime = new Date(); } public set nlink(nlink: number) { this._nlink = nlink; this.ctime = new Date(); } public get nlink(): number { return this._nlink; } getString(encoding: BufferEncoding = 'utf8'): string { this.atime = new Date(); return this.getBuffer().toString(encoding); } setString(str: string) { // this.setBuffer(bufferFrom(str, 'utf8')); this.buf = bufferFrom(str, 'utf8'); this.touch(); } getBuffer(): Buffer { this.atime = new Date(); if (!this.buf) this.buf = bufferAllocUnsafe(0); return bufferFrom(this.buf); // Return a copy. } setBuffer(buf: Buffer) { this.buf = bufferFrom(buf); // Creates a copy of data. this.touch(); } getSize(): number { return this.buf ? this.buf.length : 0; } setModeProperty(property: number) { this.mode = property; } isFile() { return (this.mode & S_IFMT) === S_IFREG; } isDirectory() { return (this.mode & S_IFMT) === S_IFDIR; } isSymlink() { // return !!this.symlink; return (this.mode & S_IFMT) === S_IFLNK; } isCharacterDevice() { return (this.mode & S_IFMT) === S_IFCHR; } makeSymlink(symlink: string) { this.mode = S_IFLNK | 0o666; this.symlink = symlink; } write(buf: Buffer, off: number = 0, len: number = buf.length, pos: number = 0): number { if (!this.buf) this.buf = bufferAllocUnsafe(0); if (pos + len > this.buf.length) { const newBuf = 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; } // Returns the number of bytes read. read( buf: Buffer | ArrayBufferView | DataView, off: number = 0, len: number = buf.byteLength, pos: number = 0, ): number { this.atime = new Date(); if (!this.buf) this.buf = bufferAllocUnsafe(0); if (pos >= this.buf.length) return 0; let actualLen = len; Iif (actualLen > buf.byteLength) { actualLen = buf.byteLength; } if (actualLen + pos > this.buf.length) { actualLen = this.buf.length - pos; } const buf2 = buf instanceof Buffer ? buf : Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength); this.buf.copy(buf2, off, pos, pos + actualLen); return actualLen; } truncate(len: number = 0) { if (!len) this.buf = bufferAllocUnsafe(0); else { Iif (!this.buf) this.buf = bufferAllocUnsafe(0); if (len <= this.buf.length) { this.buf = this.buf.slice(0, len); } else { const buf = bufferAllocUnsafe(len); this.buf.copy(buf); buf.fill(0, this.buf.length); this.buf = buf; } } this.touch(); } chmod(perm: number) { this.mode = (this.mode & S_IFMT) | (perm & ~S_IFMT); this.touch(); } chown(uid: number, gid: number) { this.uid = uid; this.gid = gid; this.touch(); } touch() { this.mtime = new Date(); this.changes.emit(['modify']); } canRead(uid: number = getuid(), gid: number = getgid()): boolean { if (this.perm & S.IROTH) { return true; } if (gid === this.gid) { Iif (this.perm & S.IRGRP) { return true; } } if (uid === this.uid) { if (this.perm & S.IRUSR) { return true; } } return false; } canWrite(uid: number = getuid(), gid: number = getgid()): boolean { if (this.perm & S.IWOTH) { return true; } if (gid === this.gid) { Iif (this.perm & S.IWGRP) { return true; } } if (uid === this.uid) { if (this.perm & S.IWUSR) { return true; } } return false; } canExecute(uid: number = getuid(), gid: number = getgid()): boolean { if (this.perm & S.IXOTH) { return true; } if (gid === this.gid) { Iif (this.perm & S.IXGRP) { return true; } } if (uid === this.uid) { Iif (this.perm & S.IXUSR) { return true; } } return false; } del() { this.changes.emit(['delete']); } toJSON() { 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(), }; } } |