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/*
This file is part of xmms-curses, copyright 2003-2005 Knut Auvor Grythe.
xmms-curses is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
xmms-curses 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with xmms-curses; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include "main.h"
#include "settings.h"
extern prefs settings;
static void usage(void)
{
fprintf(stderr, "Usage: %s [ options ]\n\n", PACKAGE);
fprintf(stderr, "OPTIONS:\n"
" To negate a short option, use '+' instead of '-' (e.g. +a)\n"
" Long-options are negated with 'no-', (e.g. --no-read-all)\n\n"
" -n, --numbers Show numbers in playlist (default on)\n"
" -t, --title Read the title from ID3/ogg-tags (SLOW) (default on)\n"
" -l, --length Show length of track in playlist (SLOW) (default on)\n"
" -a, --read-all Read all titles and lengths on startup (EXTREMELY SLOW)\n"
" (default off)\n"
" -V, --version Display version information\n"
" -h, --help Print this message\n"
"\n");
fprintf(stderr, "Tip: Things going slow? Try %s +tl\n\n", PACKAGE);
}
static void unknown_option(gchar *option)
{
fprintf(stderr, "ERROR: Unrecognized option: '%s'\n\n", option);
usage();
exit(EXIT_FAILURE);
}
static void version(void)
{
printf("%s version %s,\n%s\n\n",
PACKAGE, VERSION, COPYRIGHT);
printf("This program is released under the GNU Public License.\n"
"See the COPYING file for details.\n");
exit(EXIT_SUCCESS);
}
void set_defaults(void) {
settings.show_numbers = true;
settings.read_all = false;
settings.read_title = true;
settings.read_length = true;
}
static void shortoptions(gchar cmd, gint state)
{
gchar *tmp;
switch (cmd) {
case 'n': // Show numbers in playlist
settings.show_numbers = state;
break;
case 't': // Read title from ID3/ogg-tags
settings.read_title = state;
break;
case 'l': // Read song length
settings.read_length = state;
break;
case 'a': // Read all tags on startup
settings.read_all = state;
break;
case 'V': // Show version information
if (state) version();
break;
case 'h': // Help
if (state) {
usage();
exit(EXIT_SUCCESS);
}
break;
default:
tmp = (gchar*)malloc(sizeof(gchar)*3);
sprintf(tmp, "-%c", cmd);
unknown_option(tmp);
}
g_free(tmp);
}
static void longoptions(gchar *input)
{
gint state = true;
if (strncmp(input, "no-", 3) == 0) {
state = false;
input += 3;
}
if (g_strcmp0(input, "numbers") == 0) {
shortoptions('n', state);
} else if (g_strcmp0(input, "title") == 0) {
shortoptions('t', state);
} else if (g_strcmp0(input, "length") == 0) {
shortoptions('l', state);
} else if (g_strcmp0(input, "read-all") == 0) {
shortoptions('a', state);
} else if (g_strcmp0(input, "version") == 0) {
shortoptions('V', state);
} else if (g_strcmp0(input, "help") == 0) {
shortoptions('h', state);
} else {
unknown_option(input);
}
}
static void parse_line(gchar *file, gchar *line)
{
gchar *end = strchr(line, '#');
if (end == NULL)
end = line+strlen(line)-1;
else
*end-- = '\0';
while (*end == ' ' || *end == '\t' || *end == '\n') *end-- = '\0';
while (*line == ' ' || *line == '\t') ++line;
if (*line == '\0') return;
longoptions(line);
g_free(end);
}
static void read_file(gchar *file)
{
struct stat buf;
if (stat(file, &buf) == -1) {
if(errno != ENOENT) {
printf("Error %d while reading %s: %s\n",
errno, file, strerror(errno));
exit(1);
}
return;
}
FILE *fd = fopen(file, "r");
if (fd != NULL) {
gchar *buffer = (gchar*) malloc(sizeof(gchar) * CONFIG_MAX_LINE_LENGTH);
while (fgets(buffer, CONFIG_MAX_LINE_LENGTH, fd) != NULL) {
parse_line(file, buffer);
}
g_free(buffer);
} else {
fprintf(stderr, "Warning: Error %d while opening %s: %s\n",
errno, file, strerror(errno));
}
fclose(fd);
}
void read_conffiles(void)
{
gchar *homedir = getenv("HOME");
read_file("/etc/audtty.conf");
if (homedir != NULL) {
gint length = strlen(homedir) + strlen("/.audtty") + 1;
gchar *homefile = malloc(sizeof(gchar) * length);
snprintf(homefile, length, "%s/.audtty", homedir);
read_file(homefile);
g_free(homefile);
}
}
void arguments(gint argc, gchar *argv[])
{
gint i;
for (i=1; i<argc; i++) {
gint state = true;
gchar *input = argv[i];
// Short options
if ((*input == '-' || *input == '+') && *(input+1) != '-') {
gchar *pos = input;
state = *pos++ == '-';
while (*pos != '\0')
shortoptions(*pos++, state);
g_free(pos);
}
// Long options
else if (strncmp(input, "--", 2) == 0) {
input += 2;
longoptions(input);
} else {
unknown_option(input);
}
g_free(input);
}
}
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