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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
#include "configfile.h"
static struct plugin_api *cfg_rb;
void configfile_init(struct plugin_api* newrb)
{
cfg_rb = newrb;
}
void get_cfg_filename(char* buf, int buf_len, const char* filename)
{
char *s;
cfg_rb->strcpy(buf, cfg_rb->plugin_get_current_filename());
s = cfg_rb->strrchr(buf, '/');
if (!s) /* should never happen */
{
cfg_rb->snprintf(buf, buf_len, PLUGIN_DIR "/%s", filename);
}
else
{
s++;
*s = '\0';
cfg_rb->strcat(s, filename);
}
}
int configfile_save(const char *filename, struct configdata *cfg,
int num_items, int version)
{
int fd;
int i;
char buf[MAX_PATH];
get_cfg_filename(buf, MAX_PATH, filename);
fd = cfg_rb->creat(buf);
if(fd < 0)
return fd*10 - 1;
/* pre-allocate 10 bytes for INT */
cfg_rb->fdprintf(fd, "file version: %10d\n", version);
for(i = 0;i < num_items;i++) {
switch(cfg[i].type) {
case TYPE_INT:
/* pre-allocate 10 bytes for INT */
cfg_rb->fdprintf(fd, "%s: %10d\n",
cfg[i].name,
*cfg[i].val);
break;
case TYPE_ENUM:
cfg_rb->fdprintf(fd, "%s: %s\n",
cfg[i].name,
cfg[i].values[*cfg[i].val]);
break;
case TYPE_STRING:
cfg_rb->fdprintf(fd, "%s: %s\n",
cfg[i].name,
cfg[i].string);
break;
}
}
cfg_rb->close(fd);
return 0;
}
int configfile_load(const char *filename, struct configdata *cfg,
int num_items, int min_version)
{
int fd;
int i, j;
char *name;
char *val;
char buf[MAX_PATH];
int file_version = -1;
int tmp;
get_cfg_filename(buf, MAX_PATH, filename);
fd = cfg_rb->open(buf, O_RDONLY);
if(fd < 0)
return fd*10 - 1;
while(cfg_rb->read_line(fd, buf, MAX_PATH) > 0) {
cfg_rb->settings_parseline(buf, &name, &val);
/* Bail out if the file version is too old */
if(!cfg_rb->strcmp("file version", name)) {
file_version = cfg_rb->atoi(val);
if(file_version < min_version) {
cfg_rb->close(fd);
return -1;
}
}
for(i = 0;i < num_items;i++) {
if(!cfg_rb->strcmp(cfg[i].name, name)) {
switch(cfg[i].type) {
case TYPE_INT:
tmp = cfg_rb->atoi(val);
/* Only set it if it's within range */
if(tmp >= cfg[i].min && tmp <= cfg[i].max)
*cfg[i].val = tmp;
break;
case TYPE_ENUM:
for(j = 0;j < cfg[i].max;j++) {
if(!cfg_rb->strcmp(cfg[i].values[j], val)) {
*cfg[i].val = j;
}
}
break;
case TYPE_STRING:
cfg_rb->strncpy(cfg[i].string, val, cfg[i].max);
break;
}
}
}
}
cfg_rb->close(fd);
return 0;
}
int configfile_get_value(const char* filename, const char* name)
{
int fd;
char *pname;
char *pval;
char buf[MAX_PATH];
get_cfg_filename(buf, MAX_PATH, filename);
fd = cfg_rb->open(buf, O_RDONLY);
if(fd < 0)
return -1;
while(cfg_rb->read_line(fd, buf, MAX_PATH) > 0)
{
cfg_rb->settings_parseline(buf, &pname, &pval);
if(!cfg_rb->strcmp(name, pname))
{
cfg_rb->close(fd);
return cfg_rb->atoi(pval);
}
}
cfg_rb->close(fd);
return -1;
}
int configfile_update_entry(const char* filename, const char* name, int val)
{
int fd;
char *pname;
char *pval;
char path[MAX_PATH];
char buf[256];
int found = 0;
int line_len = 0;
int pos = 0;
/* open the current config file */
get_cfg_filename(path, MAX_PATH, filename);
fd = cfg_rb->open(path, O_RDWR);
if(fd < 0)
return -1;
/* read in the current stored settings */
while((line_len = cfg_rb->read_line(fd, buf, 256)) > 0)
{
cfg_rb->settings_parseline(buf, &pname, &pval);
if(!cfg_rb->strcmp(name, pname))
{
found = 1;
cfg_rb->lseek(fd, pos, SEEK_SET);
/* pre-allocate 10 bytes for INT */
cfg_rb->fdprintf(fd, "%s: %10d\n", pname, val);
break;
}
pos += line_len;
}
/* if (name/val) is a new entry just append to file */
if (found == 0)
/* pre-allocate 10 bytes for INT */
cfg_rb->fdprintf(fd, "%s: %10d\n", name, val);
cfg_rb->close(fd);
return found;
}
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