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/* utilities.c
* Copyright (C) 1999 Richard Boulton <richard@tartarus.org>
* Copyright (C) 2003 Andy Lo A Foe <andy@loafoe.com>
*
* This file is part of AlsaPlayer.
*
* AlsaPlayer 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 3 of the License, or
* (at your option) any later version.
*
* AlsaPlayer 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 this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include "utilities.h"
#include "alsaplayer_error.h"
/* Threads and usleep does not work, select is very portable */
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
void dosleep(unsigned int msec)
{
struct timeval time;
time.tv_sec=0;
time.tv_usec=msec;
select(0, NULL, NULL, NULL, &time);
}
void parse_file_uri_free(char *p)
{
if (p)
free(p);
}
char *get_homedir(void)
{
char *homedir = NULL;
if ((homedir = getenv("HOME")) == NULL) {
homedir = strdup("/tmp");
}
return homedir;
}
char *get_prefsdir(void)
{
static char prefs_path [PATH_MAX];
static int prefs_path_init = 0;
char *homedir;
if (prefs_path_init) {
return prefs_path;
}
homedir = get_homedir();
snprintf(prefs_path, sizeof (prefs_path), "%s/.alsaplayer", homedir);
prefs_path_init = 1;
return prefs_path;
}
#if 0
static voidencode_percent_free(char *p)
{
if (p)
free(p);
}
char *encode_percent(const char *furi)
{
char *res;
int c, i, o, t;
if (!furi)
return NULL;
/* count the percent signs */
c = 0;
i = 0;
t = strlen(furi);
while (i < t) {
if (furi[i++] == '%') {
c++;
}
}
res = malloc(t + c + 1);
if (res) {
i = 0;
o = 0;
while (i < t) {
if (furi[i] == '%') {
res[o++] = '%';
}
res[o++] = furi[i++];
}
}
return res;
}
#endif
char *parse_file_uri(const char *furi)
{
char *res;
char escape[4];
int r,w, t, percent, e, val;
alsaplayer_error("parsing: %s", furi);
if (!furi)
return NULL;
if ((strncmp(furi, "file:", 5) != 0) || !is_uri(furi)) {
return NULL;
}
t=strlen(furi);
res = malloc(t+1);
r=5;
w=0;
e=0;
percent = 0;
while (r < t) {
switch(furi[r]) {
case '%':
if (percent) {
res[w++] = '%';
percent = 0;
} else {
percent = 1;
e = 0;
}
break;
default:
if (percent) {
escape[e++] = furi[r];
escape[e]=0;
if (e == 2) {
if ((sscanf(escape, "%x", &val) == 1)) {
res[w++] = val;
} else {
alsaplayer_error("unandled percent escape (%s)", escape);
}
percent = 0;
}
} else {
res[w++] = furi[r];
}
break;
}
r++;
res[w] = 0;
}
alsaplayer_error("parsed to: %s", res);
return res;
}
int is_playlist(const char *path)
{
char *ext;
if (!path)
return 0;
ext = strrchr(path, '.');
if (!ext)
return 0;
ext++;
if (strncasecmp(ext, "pls", 3) == 0 ||
strncasecmp(ext, "m3u", 3) == 0) {
return 1;
}
return 0;
}
int is_uri(const char *path)
{
if (strstr(path, "://"))
return 1;
return 0;
}
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