112 lines
3.4 KiB
TypeScript
112 lines
3.4 KiB
TypeScript
interface INode {
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name: string;
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isDirectory: boolean;
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content?: string;
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children?: Map<string, INode>;
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}
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export class FileSystem {
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private root: INode;
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constructor() {
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console.log('[FileSystem] Initializing new filesystem');
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this.root = {
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name: '/',
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isDirectory: true,
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children: new Map()
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};
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}
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createDirectory(path: string): void {
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console.log(`[FileSystem] Creating directory: ${path}`);
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const parts = path.split('/').filter(p => p);
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let current = this.root;
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for (const part of parts) {
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if (!current.children!.has(part)) {
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console.log(`[FileSystem] Creating new directory node: ${part}`);
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current.children!.set(part, {
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name: part,
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isDirectory: true,
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children: new Map()
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});
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}
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current = current.children!.get(part)!;
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}
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}
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writeFile(path: string, content: string): void {
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console.log(`[FileSystem] Writing file: ${path}`);
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const parts = path.split('/').filter(p => p);
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const fileName = parts.pop()!;
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let current = this.root;
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for (const part of parts) {
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if (!current.children!.has(part)) {
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console.log(`[FileSystem] Creating parent directory: ${part}`);
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this.createDirectory(part);
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}
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current = current.children!.get(part)!;
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}
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current.children!.set(fileName, {
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name: fileName,
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isDirectory: false,
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content
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});
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console.log(`[FileSystem] File written: ${fileName}`);
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}
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listDirectory(path: string): string[] {
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console.log(`[FileSystem] Listing directory: ${path}`);
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const parts = path.split('/').filter(p => p);
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let current = this.root;
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for (const part of parts) {
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if (!current.children!.has(part)) return [];
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current = current.children!.get(part)!;
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}
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const result = Array.from(current.children!.keys());
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console.log(`[FileSystem] Found ${result.length} entries`);
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return result;
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}
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readFile(path: string): string | null {
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console.log(`[FileSystem] Reading file: ${path}`);
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const parts = path.split('/').filter(p => p);
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const fileName = parts.pop()!;
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let current = this.root;
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for (const part of parts) {
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if (!current.children!.has(part)) return null;
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current = current.children!.get(part)!;
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}
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const file = current.children!.get(fileName);
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if (!file || file.isDirectory) {
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console.log(`[FileSystem] File not found or is directory: ${path}`);
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return null;
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}
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console.log(`[FileSystem] File read successfully: ${path}`);
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return file.content!;
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}
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deleteFile(path: string): void {
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console.log(`[FileSystem] Deleting file: ${path}`);
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const parts = path.split('/').filter(p => p);
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const fileName = parts.pop()!;
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let current = this.root;
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for (const part of parts) {
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if (!current.children!.has(part)) return;
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current = current.children!.get(part)!;
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}
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current.children!.delete(fileName);
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console.log(`[FileSystem] File deleted: ${path}`);
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}
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}
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