Bash and IO working, basic error setup. Changelog:
Commands:
- ls (only with -l)
- cd (basic, probably unfinished)
This commit is contained in:
@@ -1,44 +1,43 @@
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import { command } from '$app/server';
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import { COMMANDS, GROUP, HELP_ARGS, PASSWD, type CommandArg, type ICommand } from './static';
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import { COMMANDS, GROUP, PASSWD, type CommandArgs, type ICommand, type Result } from './static';
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import { VirtualFS } from './fs';
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import { Terminal, type PrintData } from '../terminal';
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import { Terminal, type PrintData } from '../terminal/terminal';
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import { Stack } from '../stack';
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import path from 'path';
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export interface Permission {
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export type Permission = {
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r: boolean;
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w: boolean;
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x: boolean;
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}
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};
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export interface BashInitArgs {
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export type BashInitArgs = {
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stdio?: Terminal;
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user: User;
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fs: any;
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}
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};
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// TODO: Finish this
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// TODO: Change into a type instead of an enum for performance (low priority)
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export enum ExitCode {
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SUCCESS = 0,
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ERROR = 1
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}
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export interface User {
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export type User = {
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username: string;
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passwd: string; //HASHED PASSWORD
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uid: number; // Normal user 1000+ System user 1-999 root - 0
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gid: number; // Primary group | 'Users' 1000 - Others - 1000+ root - 0
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home: string;
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passwd: string; //HASHED PASSWORD //TODO: Make a formated type
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readonly uid: number; // Normal user 1000+ System user 1-999 root - 0 //TODO: Make a formated type
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readonly gid: number; // Primary group | 'Users' 1000 - Others - 1000+ root - 0 //TODO: Make a formated type
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home: string; //TODO: Make a formated type
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history: string[];
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cwd?: string[];
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pwd?: string[];
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}
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cwd?: string[]; //TODO: Make a formated type
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pwd?: string[]; //TODO: Make a formated type
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};
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export interface Group {
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export type Group = {
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groupname: string;
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gid: number; // Primary group 'Users' 1000 - Others - 1000+ root - 0
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members: string[];
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}
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members: number[]; //TODO: Make a formated type UID
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};
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export class Bash {
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private vfs: VirtualFS;
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@@ -47,12 +46,10 @@ export class Bash {
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private _group: Group[];
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private _terminal!: Terminal;
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private user: User;
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private _helpArgs: CommandArg[];
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private _commands: Record<string, ICommand>;
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private readonly _commands: Record<string, ICommand>;
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constructor(args: BashInitArgs) {
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this.user = args.user;
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this._helpArgs = HELP_ARGS;
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this._commands = COMMANDS;
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this._passwd = PASSWD;
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this._group = GROUP;
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@@ -60,8 +57,6 @@ export class Bash {
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this._instances = new Stack<User>();
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this.vfs = new VirtualFS({ fs: args.fs, user: args.user });
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console.log(this._commands);
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}
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updateHistory(input: string): void {
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@@ -90,6 +85,10 @@ export class Bash {
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return this.vfs;
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}
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hasSudoPerms(uid: number): boolean {
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return this._group[1].members.includes(uid);
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}
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changeUser(user: User) {
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this.user = user;
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this.vfs.home = this.vfs._splitPathString(user.home);
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@@ -97,27 +96,28 @@ export class Bash {
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this.vfs.pwd = user.pwd ? user.pwd : this.vfs._splitPathString(user.home);
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}
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executeCommand(commandName: string, ...args: string[]): void {
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executeCommand(commandName: string, args: CommandArgs): void {
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let result: Result = { exitCode: ExitCode.ERROR };
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const command = this._commands[commandName];
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if (!command) this.throwError(ExitCode.ERROR);
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if (!command) this.throwError(result);
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if (command.root) {
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if (this._group[1].members.includes(this.user.username)) {
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let out: ExitCode = command.method.call(this, ...args);
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this.throwError(out);
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if (this.hasSudoPerms(this.user.uid)) {
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let out: Result = command.method.call(this, args);
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this.appendNewResult(this.getPwd(), out, this.user.history[0]);
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}
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this.throwError(ExitCode.ERROR);
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this.throwError(result);
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}
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let out: ExitCode = command.method.call(this, ...args);
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this.throwError(out);
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let out: Result = command.method.call(this, args);
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this.appendNewResult(this.getPwd(), out.data?.data, this.user.history[0]);
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}
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throwError(code: ExitCode, data?: any): void {
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//TODO: Make data some interface format or smh.
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switch (code) {
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default:
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this.appendNewResult(this.vfs.pwd, 'Success!');
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break;
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throwError(result: Result): void {
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switch (result.exitCode) {
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default: {
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throw new Error(`Error, dont know where, just look for it;`);
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}
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}
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}
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@@ -141,12 +141,24 @@ export class Bash {
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}
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}
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appendNewResult(path: string[], output: any) {
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private appendNewResult(path: string[], output: any, cmd: string) {
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const data: PrintData = {
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path: this.vfs.formatPath(this.vfs.pathArrayToString(path)),
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output: output
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output: output,
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cmd: cmd
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};
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console.log('NEW RESULT - ', data);
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this._terminal.PrintOutput(data);
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}
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formatBytes(bytes: number, dPoint?: number): string {
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if (!+bytes) return '0';
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const k: number = 1024;
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const dp: number = dPoint ? (dPoint < 0 ? 0 : dPoint) : 1;
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const units: string[] = ['', 'K', 'M', 'G', 'T', 'P'];
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const i: number = Math.floor(Math.log(bytes) / Math.log(k));
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return `${(bytes / Math.pow(k, i)).toFixed(dp)}${units[i]}`;
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}
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}
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252
src/lib/stores/bash/commands/ls.ts
Normal file
252
src/lib/stores/bash/commands/ls.ts
Normal file
@@ -0,0 +1,252 @@
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import { Bash, ExitCode, type Permission } from '../bash';
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import { Type, type NodePerms, type TreeNode } from '../fs';
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import { asciiByteQSort } from '../sort';
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import type { CommandArgs, ICommand, Result, resultData } from '../static';
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type LsEntry = {
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perms: string;
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children: string;
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owners: string;
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size: string;
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modt: string;
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name: string;
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};
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const LsEntryUtils = {
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toString(entry: LsEntry): string {
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return Object.entries(entry)
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.filter(([_, value]) => value !== '')
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.map(([_, value]) => value)
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.join(' ');
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}
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};
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const months: readonly string[] = [
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'Jan',
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'Feb',
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'Mar',
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'Apr',
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'May',
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'Jun',
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'Jul',
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'Aug',
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'Sep',
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'Oct',
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'Nov',
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'Dec'
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];
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export const cmd_ls = function (this: Bash, args: CommandArgs): Result {
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const resultData: resultData = { cmd: 'ls', data: null, args: args };
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const result: Result = { exitCode: ExitCode.ERROR, data: resultData };
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const nodes: TreeNode[] = [];
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const paths: string[][] = [];
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//Check if args contain any nonexistent flags, if so add it to an array and check its length. if 0 no bad flags
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const invalidItems = args.flags.filter((flag) => !ls.flags.includes(flag));
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console.log(invalidItems);
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if (invalidItems.length > 0) {
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this.throwError(result); //No such flag
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}
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if (args.args.length === 0) {
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const node = this.getFs()._getNodeByPathArray(this.getFs().cwd);
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if (node === null) this.throwError(result); //no such path
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nodes.push(node!);
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}
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for (let i = 0; i < args.args.length; i++) {
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if (args.args.length !== 0) paths.push(this.getFs().resolvePath(args.args[i]));
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const node = this.getFs()._getNodeByPathArray(paths[i]);
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if (node === null) this.throwError(result); //no such path
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nodes.push(node!);
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}
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result.exitCode = ExitCode.SUCCESS;
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resultData.data = result_ls.call(this, nodes, args);
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return result;
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};
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function result_ls(this: Bash, data: any, args: CommandArgs): HTMLElement {
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const dummysonoerror: HTMLElement = document.createElement('div');
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const flagInfo = checkFlags(args.flags, ls.flags);
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const nodes: TreeNode[] = data;
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const f_a: boolean = flagInfo.has('a') || flagInfo.has('f');
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const f_h: boolean = flagInfo.has('h');
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if (flagInfo.has('l')) {
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const w: HTMLElement = document.createElement('div');
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for (const node of nodes) {
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if (!flagInfo.has('U') && !flagInfo.has('f')) asciiByteQSort(node.children);
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const elem: HTMLElement = document.createElement('div');
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const rows: string[] = [];
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//TODO: Actually calculate sizes here instead of defining numbers for types of nodes
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const sizes = node.children.map((child) => (child.type === Type.Directory ? '4096' : '1'));
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const maxSizeWidth = Math.max(...sizes.map((size) => size.length));
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if (f_a && !flagInfo.has('A')) {
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const current: LsEntry = {
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perms: formatPermission(node),
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children: formatChildren(node),
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owners: formatOwners(node, flagInfo),
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size: formatSize.call(this, f_h, node, maxSizeWidth),
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modt: formatModtime(node),
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name: '.'
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};
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const parent: LsEntry = node.parent
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? {
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perms: formatPermission(node.parent),
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children: formatChildren(node.parent),
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owners: formatOwners(node.parent, flagInfo),
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size: formatSize.call(this, f_h, node.parent, maxSizeWidth),
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modt: formatModtime(node.parent),
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name: '..'
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}
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: {
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...current,
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name: '..'
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};
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rows.push(LsEntryUtils.toString(current), LsEntryUtils.toString(parent));
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}
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for (const child of node.children) {
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if (child.name.startsWith('.') && !(f_a || flagInfo.has('A'))) continue;
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const cols: LsEntry = {
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perms: formatPermission(child),
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children: formatChildren(child),
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owners: formatOwners(child, flagInfo),
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size: formatSize.call(this, f_h, child, maxSizeWidth),
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modt: formatModtime(child),
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name: /\s/.test(child.name) ? `'${child.name}'` : `${child.name}`
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};
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if (flagInfo.has('g')) cols.owners = '';
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rows.push(LsEntryUtils.toString(cols));
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}
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//TODO: Calculate the total size of contents in the node
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rows.unshift('total ' + node.children.length.toString());
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if (nodes.length > 1) {
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const nodePath: string =
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node.name === '/' ? '/:' : `${this.getFs()._getPathToNode(node).join('/').slice(1)}:`;
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rows.unshift(nodePath);
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rows.push('\n');
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}
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for (let i = 0; i < rows.length; i++) {
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const p: HTMLElement = document.createElement('p');
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p.innerText = rows[i];
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elem.appendChild(p);
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}
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w.appendChild(elem);
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}
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return w;
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}
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return dummysonoerror; //TEMP SO NO ERROR CUZ RETURNS HTMLElement EVERY TIME, DELETE LATER
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}
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function parsePerms(perms: NodePerms): string {
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const parts: string[] = [];
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//for each key (key representing key name and p representing the key contents) of entries in perms as types keyof NodePerms and Permission
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for (const [key, p] of Object.entries(perms) as [keyof NodePerms, Permission][]) {
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const perms: string = `${p.r ? 'r' : '-'}${p.w ? 'w' : '-'}${p.x ? 'x' : '-'}`;
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parts.push(perms);
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}
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return parts.join('');
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}
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function formatOwners(node: TreeNode, flag: any): string {
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const owner: string = node.owner;
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const group: string = node.group;
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if (flag.has('g')) {
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return '';
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}
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return `${owner} ${group}`;
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}
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function formatPermission(node: TreeNode): string {
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return `${node.type === Type.Directory ? 'd' : '-'}${parsePerms(node.permission)}`;
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}
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function formatChildren(node: TreeNode): string {
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const c = node.children.length.toString();
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return c.length > 1 ? c : ` ${c}`;
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}
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function formatSize(this: Bash, human: boolean, node: TreeNode, max: number): string {
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const byteSize: number = node.type === Type.Directory ? 4096 : 1; //TEMP, later calculate the size.
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let size: string;
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if (human) {
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size = this.formatBytes(byteSize);
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} else size = byteSize.toString();
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return size.padStart(max, ' ');
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}
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function formatModtime(node: TreeNode): string {
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const now = new Date();
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const hours: string = node.modtime.getHours().toString().padStart(2, '0');
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const minutes: string = node.modtime.getMinutes().toString().padStart(2, '0');
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const time: string =
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now.getFullYear() === node.modtime.getFullYear()
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? `${hours}:${minutes}`
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: node.modtime.getFullYear().toString();
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return [
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months[node.modtime.getMonth()],
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node.modtime.getDate().toString().padStart(2, ' '),
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`${time}`
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].join(' ');
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}
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const checkFlags = (pFlags: string[], dFlags: string[]) => {
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const flagSet = new Set(pFlags);
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return { has: (flag: string) => flagSet.has(flag) };
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};
|
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|
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export const ls: ICommand = {
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method: cmd_ls,
|
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flags: [
|
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'l',
|
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'a',
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'A',
|
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'c',
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'U',
|
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'g',
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'G',
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'h',
|
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'f',
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'x',
|
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'X',
|
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'u',
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't',
|
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'S',
|
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'r',
|
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'Q',
|
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'p',
|
||||
'o',
|
||||
'n',
|
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'N',
|
||||
'L'
|
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] as string[],
|
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help: 'PATH TO HELP.MD',
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root: false
|
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};
|
||||
@@ -1,3 +1,4 @@
|
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import type { readonly } from 'svelte/store';
|
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import type { Permission, User } from './bash';
|
||||
|
||||
export enum Type {
|
||||
@@ -5,18 +6,18 @@ export enum Type {
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File = 32768
|
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}
|
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|
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type NodePerms = {
|
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export type NodePerms = {
|
||||
user: Permission;
|
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group: Permission;
|
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other: Permission;
|
||||
};
|
||||
|
||||
export interface FsInitArgs {
|
||||
export type FsInitArgs = {
|
||||
fs: any;
|
||||
user: User;
|
||||
}
|
||||
};
|
||||
|
||||
export interface TreeNode {
|
||||
export type TreeNode = {
|
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name: string;
|
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type: Type;
|
||||
readonly: boolean;
|
||||
@@ -29,7 +30,8 @@ export interface TreeNode {
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owner: string;
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||||
group: string;
|
||||
modtime: Date;
|
||||
}
|
||||
parent?: TreeNode;
|
||||
};
|
||||
|
||||
export class VirtualFS {
|
||||
private root: TreeNode; // TODO make this the correct type
|
||||
@@ -73,7 +75,6 @@ export class VirtualFS {
|
||||
}
|
||||
|
||||
formatPath(path: string): string {
|
||||
console.log('FORMAT PATH ', path);
|
||||
const prefix = this.pathArrayToString(this.home);
|
||||
if (path.startsWith(prefix)) {
|
||||
return path.replace(prefix, '~');
|
||||
@@ -91,9 +92,7 @@ export class VirtualFS {
|
||||
}
|
||||
|
||||
const start = this._isAbsolutePath(path) ? [] : this.cwd.slice();
|
||||
console.log('START', start);
|
||||
const parts = this._splitPathString(path);
|
||||
console.log('PARTS', parts);
|
||||
|
||||
for (let i = 0; i < parts.length; i++) {
|
||||
const seg = parts[i];
|
||||
@@ -111,7 +110,7 @@ export class VirtualFS {
|
||||
return start;
|
||||
}
|
||||
|
||||
_getNodeByPathArray(path: string[]): TreeNode {
|
||||
_getNodeByPathArray(path: string[]): TreeNode | null {
|
||||
if (path.length === 1 && path[0] === '/') return this.root;
|
||||
|
||||
let node: TreeNode = this.root;
|
||||
@@ -122,9 +121,24 @@ export class VirtualFS {
|
||||
|
||||
if (node.type === Type.File) return node;
|
||||
const newNode = node.children.find((child) => child.name === seg);
|
||||
console.log(newNode);
|
||||
if (newNode !== undefined) node = newNode;
|
||||
else return null;
|
||||
}
|
||||
|
||||
return node;
|
||||
}
|
||||
|
||||
_getPathToNode(node: TreeNode): string[] {
|
||||
const path: string[] = [];
|
||||
let current = node;
|
||||
path.push(node.name);
|
||||
|
||||
while (current.parent) {
|
||||
current = current.parent;
|
||||
path.unshift(current.name);
|
||||
}
|
||||
|
||||
return path;
|
||||
}
|
||||
}
|
||||
|
||||
47
src/lib/stores/bash/sort.ts
Normal file
47
src/lib/stores/bash/sort.ts
Normal file
@@ -0,0 +1,47 @@
|
||||
import type { TreeNode } from './fs';
|
||||
|
||||
export function asciiByteQSort(array: TreeNode[]) {
|
||||
qSort(array, 0, array.length - 1);
|
||||
}
|
||||
|
||||
function qSort(array: TreeNode[], start: number, end: number) {
|
||||
if (end <= start) return;
|
||||
|
||||
let pivot: number = partition(array, start, end);
|
||||
qSort(array, start, pivot - 1);
|
||||
qSort(array, pivot + 1, end);
|
||||
}
|
||||
|
||||
function partition(part: TreeNode[], start: number, end: number): number {
|
||||
let pivot: TreeNode = part[end];
|
||||
let i: number = start - 1;
|
||||
|
||||
for (let j = start; j <= end; j++) {
|
||||
if (compareStrings(part[j].name, pivot.name) < 0) {
|
||||
i++;
|
||||
let temp = part[i];
|
||||
part[i] = part[j];
|
||||
part[j] = temp;
|
||||
}
|
||||
}
|
||||
i++;
|
||||
let temp = part[i];
|
||||
part[i] = part[end];
|
||||
part[end] = temp;
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
function compareStrings(a: string, b: string): number {
|
||||
const minLength = Math.min(a.length, b.length);
|
||||
|
||||
for (let i = 0; i < minLength; i++) {
|
||||
const charCodeA = a.charCodeAt(i);
|
||||
const charCodeB = b.charCodeAt(i);
|
||||
|
||||
if (charCodeA !== charCodeB) {
|
||||
return charCodeA - charCodeB;
|
||||
}
|
||||
}
|
||||
return a.length - b.length;
|
||||
}
|
||||
@@ -1,27 +1,43 @@
|
||||
import { Bash, ExitCode, type Group, type User } from './bash';
|
||||
import { Type, type TreeNode } from './fs';
|
||||
import type { Char } from '../char';
|
||||
import { ls } from './commands/ls';
|
||||
|
||||
export type CommandArg = `-${string}`;
|
||||
|
||||
export interface ICommand {
|
||||
method: (this: Bash, ...args: any[]) => ExitCode;
|
||||
args: CommandArg[] | string[] | null;
|
||||
export type ICommand = {
|
||||
method: (this: Bash, args: CommandArgs) => Result;
|
||||
flags: string[];
|
||||
help: string;
|
||||
root: boolean;
|
||||
}
|
||||
};
|
||||
|
||||
export type CommandArgs = {
|
||||
flags: string[];
|
||||
args: string[];
|
||||
};
|
||||
|
||||
export type resultData = {
|
||||
cmd: string; //the string that contains the shorthand for the command that was executed - used in a switch statement in parseResult
|
||||
data: any; //the data that the commmand may have returned like TreeNodes[] from ls
|
||||
args?: CommandArgs;
|
||||
};
|
||||
|
||||
export type Result = {
|
||||
exitCode: ExitCode;
|
||||
data?: resultData;
|
||||
};
|
||||
|
||||
export const GROUP: Group[] = [
|
||||
{
|
||||
groupname: 'sudo',
|
||||
gid: 69,
|
||||
members: ['root', 'admin']
|
||||
members: [0, 1001]
|
||||
},
|
||||
{
|
||||
groupname: 'users',
|
||||
gid: 1000,
|
||||
members: ['admin', 'user']
|
||||
members: [1001, 1002]
|
||||
}
|
||||
];
|
||||
] as const;
|
||||
|
||||
export const PASSWD: User[] = [
|
||||
{
|
||||
@@ -50,30 +66,32 @@ export const PASSWD: User[] = [
|
||||
}
|
||||
];
|
||||
|
||||
export const HELP_ARGS: CommandArg[] = ['-h', '--help'];
|
||||
|
||||
export const cmd_return = function (this: Bash, ...args: string[]): ExitCode {
|
||||
return 0;
|
||||
export const cmd_return = function (this: Bash, args: CommandArgs): Result {
|
||||
let result: Result = { exitCode: ExitCode.ERROR };
|
||||
return result;
|
||||
};
|
||||
|
||||
export const cmd_cd = function (this: Bash, ...args: string[]): ExitCode {
|
||||
const path = args[0];
|
||||
let targetNode: TreeNode;
|
||||
export const cmd_cd = function (this: Bash, args: CommandArgs): Result {
|
||||
let result: Result = { exitCode: ExitCode.ERROR };
|
||||
const path = args.args[0];
|
||||
let targetNode: TreeNode | null;
|
||||
|
||||
if (args.length > 1) return ExitCode.ERROR; // Too many args
|
||||
if (args.args.length > 1) return result; // Too many args
|
||||
|
||||
// if no args cd into home dir
|
||||
|
||||
if (args.length === 0) {
|
||||
if (args.args.length === 0) {
|
||||
this.getFs().cwd = this.getFs().home;
|
||||
return ExitCode.SUCCESS;
|
||||
result.exitCode = ExitCode.SUCCESS;
|
||||
return result;
|
||||
}
|
||||
|
||||
// if the arg is - cd make your current dir the prev dir and vice versa
|
||||
|
||||
if (args[0] === '-') {
|
||||
if (args.args[0] === '-') {
|
||||
[this.getFs().cwd, this.getFs().pwd] = [this.getFs().pwd, this.getFs().cwd];
|
||||
return ExitCode.SUCCESS;
|
||||
result.exitCode = ExitCode.SUCCESS;
|
||||
return result;
|
||||
}
|
||||
|
||||
// Change the input STRING path from relative to absolute by replacing ~ with the home directory path
|
||||
@@ -87,28 +105,42 @@ export const cmd_cd = function (this: Bash, ...args: string[]): ExitCode {
|
||||
this.getFs().pwd = this.getFs().cwd;
|
||||
targetNode = this.getFs()._getNodeByPathArray(this.getFs().resolvePath(resolvedPath)); // Conversion from STRING path to ARRAY
|
||||
|
||||
if (!targetNode) return ExitCode.ERROR;
|
||||
if (targetNode.type !== Type.Directory) return ExitCode.ERROR;
|
||||
if (targetNode === null) return result;
|
||||
if (targetNode.type !== Type.Directory) return result;
|
||||
//if () return ExitCode.ERROR; // Check for read permissions on node and user
|
||||
|
||||
this.getFs().cwd = this.getFs().resolvePath(resolvedPath); // CD was successfull, change current dir to the verified target dir
|
||||
return ExitCode.SUCCESS;
|
||||
result.exitCode = ExitCode.SUCCESS;
|
||||
return result;
|
||||
};
|
||||
|
||||
/* const compareArrays = (A: string[], B: string[]): { value: string; isInB: boolean }[] => {
|
||||
const result = A.map((item) => ({ value: item, isInB: B.includes(item) }));
|
||||
|
||||
// Validate all B items are in A
|
||||
const invalidItems = B.filter((item) => !A.includes(item));
|
||||
if (invalidItems.length > 0) {
|
||||
throw new Error(`Items '${invalidItems.join("', '")}' from B not found in A`);
|
||||
}
|
||||
|
||||
return result;
|
||||
}; */
|
||||
|
||||
export const COMMANDS = {
|
||||
return: {
|
||||
method: cmd_return,
|
||||
args: [] as CommandArg[],
|
||||
flags: [] as string[],
|
||||
help: 'PATH TO HELP.MD',
|
||||
root: false
|
||||
},
|
||||
cd: {
|
||||
method: cmd_cd,
|
||||
args: [] as string[],
|
||||
flags: [] as string[],
|
||||
help: 'PATH TO HELP.MD',
|
||||
root: false
|
||||
}
|
||||
} satisfies Record<string, ICommand>;
|
||||
},
|
||||
ls
|
||||
} as const satisfies Record<string, ICommand>;
|
||||
|
||||
/* //export const commands {
|
||||
return: {
|
||||
|
||||
76
src/lib/stores/char.ts
Normal file
76
src/lib/stores/char.ts
Normal file
@@ -0,0 +1,76 @@
|
||||
type BrandedChar = string & { readonly __brand: unique symbol };
|
||||
|
||||
export class Char {
|
||||
private readonly value: BrandedChar;
|
||||
|
||||
private constructor(char: string) {
|
||||
if (char.length !== 1) {
|
||||
throw new Error('Char must be exactly one character');
|
||||
}
|
||||
this.value = char as BrandedChar;
|
||||
}
|
||||
|
||||
// Public factory method
|
||||
static from(char: string): Char {
|
||||
return new Char(char);
|
||||
}
|
||||
|
||||
// Get the primitive value
|
||||
valueOf(): string {
|
||||
return this.value;
|
||||
}
|
||||
|
||||
toString(): string {
|
||||
return this.value;
|
||||
}
|
||||
|
||||
// Character operations
|
||||
charCode(): number {
|
||||
return this.value.charCodeAt(0);
|
||||
}
|
||||
|
||||
isDigit(): boolean {
|
||||
return /^\d$/.test(this.value);
|
||||
}
|
||||
|
||||
isLetter(): boolean {
|
||||
return /^[a-zA-Z]$/.test(this.value);
|
||||
}
|
||||
|
||||
isAlphanumeric(): boolean {
|
||||
return /^[a-zA-Z0-9]$/.test(this.value);
|
||||
}
|
||||
|
||||
isWhitespace(): boolean {
|
||||
return /^\s$/.test(this.value);
|
||||
}
|
||||
|
||||
isUpperCase(): boolean {
|
||||
return this.value === this.value.toUpperCase() && this.value !== this.value.toLowerCase();
|
||||
}
|
||||
|
||||
isLowerCase(): boolean {
|
||||
return this.value === this.value.toLowerCase() && this.value !== this.value.toUpperCase();
|
||||
}
|
||||
|
||||
toUpperCase(): Char {
|
||||
return Char.from(this.value.toUpperCase());
|
||||
}
|
||||
|
||||
toLowerCase(): Char {
|
||||
return Char.from(this.value.toLowerCase());
|
||||
}
|
||||
|
||||
equals(other: Char): boolean {
|
||||
return this.value === other.value;
|
||||
}
|
||||
|
||||
equalsIgnoreCase(other: Char): boolean {
|
||||
return this.value.toLowerCase() === other.value.toLowerCase();
|
||||
}
|
||||
|
||||
// Static constructors
|
||||
static fromCharCode(charCode: number): Char {
|
||||
return Char.from(String.fromCharCode(charCode));
|
||||
}
|
||||
}
|
||||
82
src/lib/stores/terminal/init.svelte.ts
Normal file
82
src/lib/stores/terminal/init.svelte.ts
Normal file
@@ -0,0 +1,82 @@
|
||||
import type { User } from '../bash/bash';
|
||||
import type { TreeNode } from '../bash/fs';
|
||||
import { Terminal, type TermInitArgs } from './terminal';
|
||||
|
||||
let initializing = $state(true);
|
||||
|
||||
export function isInitializing(): boolean {
|
||||
return initializing;
|
||||
}
|
||||
|
||||
function jsonToTreeNode(data: any, parent?: TreeNode): TreeNode {
|
||||
const node: TreeNode = {
|
||||
name: data.Name,
|
||||
type: data.Type,
|
||||
readonly: data.ReadOnly,
|
||||
interactible: data.Interactible,
|
||||
func: data.Func,
|
||||
children: [],
|
||||
content: data.Content,
|
||||
link: data.Link || [],
|
||||
permission: {
|
||||
user: {
|
||||
r: data.Permission[0]?.Read,
|
||||
w: data.Permission[0]?.Write,
|
||||
x: data.Permission[0]?.Exec
|
||||
},
|
||||
group: {
|
||||
r: data.Permission[1]?.Read,
|
||||
w: data.Permission[1]?.Write,
|
||||
x: data.Permission[1]?.Exec
|
||||
},
|
||||
other: {
|
||||
r: data.Permission[2]?.Read,
|
||||
w: data.Permission[2]?.Write,
|
||||
x: data.Permission[2]?.Exec
|
||||
}
|
||||
},
|
||||
owner: data.Owner,
|
||||
group: data.Group,
|
||||
modtime: new Date(data.Mtime),
|
||||
parent: parent
|
||||
};
|
||||
|
||||
node.children = data.Children
|
||||
? data.Children.map((child: any) => jsonToTreeNode(child, node))
|
||||
: [];
|
||||
|
||||
return node;
|
||||
}
|
||||
|
||||
async function fetchFileSystem(path: string): Promise<any> {
|
||||
const response = await fetch(path);
|
||||
if (!response.ok) throw new Error('Failed to fetch the file system json');
|
||||
|
||||
const data = await response.json();
|
||||
|
||||
const node: TreeNode = jsonToTreeNode(data);
|
||||
return node;
|
||||
}
|
||||
|
||||
export async function initTerminal(user: User, callbackInit: any): Promise<Terminal> {
|
||||
try {
|
||||
let fsJson = await fetchFileSystem('/src/lib/assets/fs/fs.json');
|
||||
|
||||
let args: TermInitArgs = {
|
||||
bash: {
|
||||
user: user,
|
||||
fs: fsJson
|
||||
}
|
||||
};
|
||||
|
||||
let terminal = new Terminal(args);
|
||||
terminal.registerCallbacks(callbackInit);
|
||||
|
||||
return terminal;
|
||||
} catch (error) {
|
||||
console.error('Failed to initialize terminal:', error);
|
||||
throw error;
|
||||
} finally {
|
||||
initializing = false;
|
||||
}
|
||||
}
|
||||
41
src/lib/stores/terminal/stdio.ts
Normal file
41
src/lib/stores/terminal/stdio.ts
Normal file
@@ -0,0 +1,41 @@
|
||||
import { mount, unmount } from 'svelte';
|
||||
import Output from '../../../modules/terminal/Output.svelte';
|
||||
import { isInitializing } from './init.svelte';
|
||||
import type { PrintData } from './terminal';
|
||||
|
||||
interface OutputProps {
|
||||
path: string;
|
||||
output: any;
|
||||
cmd: string;
|
||||
}
|
||||
|
||||
const outputInstances = new Set<Output>();
|
||||
|
||||
function appendOutput(container: HTMLElement, props: OutputProps): Output | undefined {
|
||||
if (!container) return;
|
||||
const instance = mount(Output, {
|
||||
target: container,
|
||||
props
|
||||
});
|
||||
|
||||
outputInstances.add(instance);
|
||||
return instance;
|
||||
}
|
||||
|
||||
export function print(e: HTMLElement, data: PrintData): void {
|
||||
if (isInitializing()) {
|
||||
console.error('Terminal is initializing! Skipping Print');
|
||||
return;
|
||||
}
|
||||
appendOutput(e, {
|
||||
path: data.path,
|
||||
output: data.output,
|
||||
cmd: data.cmd
|
||||
});
|
||||
}
|
||||
|
||||
export function clear(): void {
|
||||
for (const n of outputInstances) {
|
||||
unmount(n);
|
||||
}
|
||||
}
|
||||
@@ -1,28 +1,28 @@
|
||||
import { FileOutput } from '@lucide/svelte';
|
||||
import Cursor from '../../modules/terminal/Cursor.svelte';
|
||||
import { Bash, ExitCode, type BashInitArgs, type User } from './bash/bash';
|
||||
import { Stack } from './stack';
|
||||
import type { VirtualFS } from './bash/fs';
|
||||
import { Bash, ExitCode, type BashInitArgs, type User } from '../bash/bash';
|
||||
import type { VirtualFS } from '../bash/fs';
|
||||
import type { CommandArgs } from '../bash/static';
|
||||
import { Char } from '../char';
|
||||
|
||||
export interface TerminalMode {}
|
||||
export type TerminalMode = {};
|
||||
|
||||
export interface TermInitArgs {
|
||||
export type TermInitArgs = {
|
||||
bash: BashInitArgs;
|
||||
}
|
||||
};
|
||||
|
||||
export interface ParsedInput {
|
||||
export type ParsedInput = {
|
||||
command: string;
|
||||
args: string[];
|
||||
}
|
||||
args: CommandArgs;
|
||||
};
|
||||
|
||||
export interface PrintData {
|
||||
export type PrintData = {
|
||||
path: string;
|
||||
output: any; // TODO: Make this be any predefined format of outputs like ls, ls w/ flags and so on;
|
||||
}
|
||||
cmd: string;
|
||||
};
|
||||
|
||||
export interface PageCallbacks {
|
||||
export type PageCallbacks = {
|
||||
print: (data: PrintData) => void;
|
||||
}
|
||||
};
|
||||
|
||||
export class Terminal {
|
||||
private bash: Bash;
|
||||
@@ -34,41 +34,59 @@ export class Terminal {
|
||||
}
|
||||
|
||||
private _parseInput(input: string): ParsedInput {
|
||||
const result: ParsedInput = { command: '', args: [] };
|
||||
let args: string[] = [];
|
||||
const result: ParsedInput = { command: '', args: { flags: [], args: [] } };
|
||||
let current: string = '';
|
||||
let inQuotes: boolean = false;
|
||||
let quoteChar: Stack<string> = new Stack<string>();
|
||||
let quoteChar: string = '';
|
||||
|
||||
for (let i = 0; i < input.length; i++) {
|
||||
const char = input[i];
|
||||
|
||||
if ((char === '"' || char === "'") && !inQuotes) {
|
||||
inQuotes = true;
|
||||
quoteChar.push(char);
|
||||
quoteChar = char;
|
||||
continue;
|
||||
} else if (char === quoteChar.peek() && inQuotes) {
|
||||
} else if (char === quoteChar && inQuotes) {
|
||||
inQuotes = false;
|
||||
quoteChar.pop();
|
||||
continue;
|
||||
}
|
||||
|
||||
if (char === ' ' && !inQuotes) {
|
||||
if (current !== '') {
|
||||
result.command = current;
|
||||
current = '';
|
||||
}
|
||||
if (current === '') continue;
|
||||
|
||||
result.command === '' ? (result.command = current) : args.push(current);
|
||||
current = '';
|
||||
} else {
|
||||
current += char;
|
||||
}
|
||||
}
|
||||
if (current !== '') result.args.push(current);
|
||||
|
||||
if (current !== '') result.command === '' ? (result.command = current) : args.push(current);
|
||||
|
||||
for (let i = 0; i < args.length; i++) {
|
||||
let curr = args[i];
|
||||
|
||||
if (!curr.startsWith('-')) result.args.args.push(curr);
|
||||
else {
|
||||
curr = curr.replaceAll('-', '');
|
||||
|
||||
if (curr.length > 0) {
|
||||
for (let n = 0; n < curr.length; n++) {
|
||||
result.args.flags.push(curr[n]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
executeCommand(input: string): void {
|
||||
this.bash.updateHistory(input);
|
||||
const parsed: ParsedInput = this._parseInput(input);
|
||||
this.bash.executeCommand(parsed.command, ...parsed.args);
|
||||
console.log(parsed);
|
||||
this.bash.executeCommand(parsed.command, parsed.args);
|
||||
}
|
||||
|
||||
registerCallbacks(callbacks: PageCallbacks): void {
|
||||
Reference in New Issue
Block a user