* Helper function for findINode. * @param parent The parent directory of the file we are attempting to find. * @param filename The filename of the inode we are attempting to find, minus * the parent. * @return string The ID of the file's inode in the file system.
(tx: SyncKeyValueROTransaction, parent: string, filename: string)
| 449 | * @return string The ID of the file's inode in the file system. |
| 450 | */ |
| 451 | private _findINode(tx: SyncKeyValueROTransaction, parent: string, filename: string): string { |
| 452 | const readDirectory = (inode: Inode): string => { |
| 453 | // Get the root's directory listing. |
| 454 | const dirList = this.getDirListing(tx, parent, inode); |
| 455 | // Get the file's ID. |
| 456 | if (dirList[filename]) { |
| 457 | return dirList[filename]; |
| 458 | } else { |
| 459 | throw ApiError.ENOENT(path.resolve(parent, filename)); |
| 460 | } |
| 461 | }; |
| 462 | if (parent === '/') { |
| 463 | if (filename === '') { |
| 464 | // BASE CASE #1: Return the root's ID. |
| 465 | return ROOT_NODE_ID; |
| 466 | } else { |
| 467 | // BASE CASE #2: Find the item in the root ndoe. |
| 468 | return readDirectory(this.getINode(tx, parent, ROOT_NODE_ID)); |
| 469 | } |
| 470 | } else { |
| 471 | return readDirectory(this.getINode(tx, parent + path.sep + filename, |
| 472 | this._findINode(tx, path.dirname(parent), path.basename(parent)))); |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | /** |
| 477 | * Finds the Inode of the given path. |