arrakis/modules/console/src/Console2.js

Helpfull development framework

const EventEmitter = require('./EventEmitter');
const Scheduler = require('./Scheduler');

const readline = require('readline');
const stream = require('stream');

module.exports = class Console extends EventEmitter{
	constructor(pool){
		super();

		this._scheduler = new Scheduler();
		this._exec = [];

		var a = require('../bin/system');

		this.register(new a());
	}

	_encodeCMD(cmd){
		return cmd.replace(/(["'])(?:(?=(\\?))\2.)*?\1/g, function(x){
			return x.replace(/\s/g, '▓');
		});
	}

	_decodeCMD(cmd){
		return cmd.replace(/\▓/g, ' ').replace(/\"/g, "");
	};

	_getArgs(cmd){
		cmd = this._encodeCMD(cmd);
		cmd = cmd.split(' ');

		var argv = [];
		var bufferArgv;
		for(var index = 0; index < cmd.length; index++){
			bufferArgv = this._decodeCMD(cmd[index]);
			
			if(Number(bufferArgv))
				bufferArgv = Number(bufferArgv);

			argv[index] = bufferArgv;
		}

		return argv;
	}

	register(instance, options={}){
		var name;

		if(instance == null)
			throw new Error('Need a class instance!');

		if(options.name != null)
			name = options.name;
		else
			name = instance.constructor.name.toLowerCase();

		if(options.systemLevel)
			throw new Error('System Level not implement yet!');
		else
			this._exec[name] = instance;
	}

	exec(cmd=''){
		var options = {}, callback, caller = this, cmdSP = ' | ', output = process.stdout;

		if(cmd != ''){
		
			for(var index in arguments)
				if(typeof arguments[index] === 'object')
					options = arguments[index];

				else if(typeof arguments[index] === 'function')
					callback = arguments[index];

			if(options.caller != null)
				caller = options.caller;

			if(options.cmdSP != null)
				cmdSP = options.cmdSP;

			if(options.output != null)
				output = options.output;

			this._scheduler.pend(cmd.split(cmdSP));
			this._scheduler.start(function(command){

				var argv = this._getArgs(command);

			}, this);

			output.write('input: '+cmd+'\n');
		}

		if(callback != null)
			callback.apply(caller, ['Exec cmd ['+cmd+']']);
	}
}