comandos.h

/*
 * Copyright (c) 2009-2010 Alberto Alonso Pinto
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL COPYRIGHT HOLDERS OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * FICHERO:       comandos.h
 * DESCRIPCIÓN:   Ejecución de los comandos introducidos y comandos internos.
 * AUTORES:       Alberto Alonso Pinto <rydencillo@gmail.com>
 *
 * CAMBIOS:
 * - (2009-2010) Código fuente inicial.
 */

#pragma once

#include "aliases.h"
#include "historial.h"
#include "variables.h"

typedef enum
{
  COMANDO_ERROR = -1,
  COMANDO_OK = 0,
  COMANDO_INTERNO_INEXISTENTE,
  COMANDO_SALIR
} CommandState;

CommandState procesar_comando ( char* linea, char* envp[], Variables* vars, Aliases* aliases );
void registrar_comandos_internos ();
int es_comando_interno ( const char* comando );