/*

 *  ALSA lisp implementation

 *  Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>

 *

 *

 *   This library is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU Lesser General Public License as

 *   published by the Free Software Foundation; either version 2.1 of

 *   the License, or (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU Lesser General Public License for more details.

 *

 *   You should have received a copy of the GNU Lesser General Public

 *   License along with this library; if not, write to the Free Software

 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <err.h>

#include "asoundlib.h"

#include "alisp.h"

static int verbose = 0;

static int warning = 0;

static int debug = 0;

static void interpret_filename(const char *file)

{

	struct alisp_cfg cfg;

	snd_input_t *in;

	snd_output_t *out;

	int err;

	memset(&cfg, 0, sizeof(cfg));

	if (file != NULL && strcmp(file, "-") != 0) {

		if ((err = snd_input_stdio_open(&in, file, "r")) < 0) {

			fprintf(stderr, "unable to open filename '%s' (%s)\n", file, snd_strerror(err));

			return;

		}

	} else {

		if ((err = snd_input_stdio_attach(&in, stdin, 0)) < 0) {

			fprintf(stderr, "unable to attach stdin '%s' (%s)\n", file, snd_strerror(err));

			return;

		}

	}

	if (snd_output_stdio_attach(&out, stdout, 0) < 0) {

		snd_input_close(in);

		fprintf(stderr, "unable to attach stdout (%s)\n", strerror(errno));

		return;

	}

	cfg.verbose = verbose;

	cfg.warning = warning;

	cfg.debug = debug;

	cfg.in = in;

	cfg.out = cfg.eout = cfg.vout = cfg.wout = cfg.dout = out;

	err = alsa_lisp(&cfg, NULL);

	if (err < 0)

		fprintf(stderr, "alsa lisp returned error %i (%s)\n", err, strerror(err));

	else if (verbose)

		printf("file %s passed ok via alsa lisp interpreter\n", file);

	snd_output_close(out);

	snd_input_close(in);

}

static void usage(void)

{

	fprintf(stderr, "usage: alsalisp [-vdw] [file...]\n");

	exit(1);

}

int main(int argc, char **argv)

{

	int c;

	while ((c = getopt(argc, argv, "vdw")) != -1) {

		switch (c) {

		case 'v':

			verbose = 1;

			break;

		case 'd':

			debug = 1;

			break;

		case 'w':

			warning = 1;

			break;

		case '?':

		default:

			usage();

			/* NOTREACHED */

		}

	}

	argc -= optind;

	argv += optind;

	if (argc < 1)

		interpret_filename(NULL);

	else

		while (*argv)

			interpret_filename(*argv++);

	return 0;

}