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/*
* Copyright (C) 2000-2001 the xine project
*
* This file is part of xine, a unix video player.
*
* xine 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.
*
* xine 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* $Id: configfile.h,v 1.11 2002/06/17 07:47:50 f1rmb Exp $
*
* config file management
*
*/
#ifndef HAVE_CONFIGFILE_H
#define HAVE_CONFIGFILE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <inttypes.h>
typedef struct cfg_entry_s cfg_entry_t;
typedef struct config_values_s config_values_t;
typedef void (*config_cb_t) (void *, cfg_entry_t *);
struct cfg_entry_s {
cfg_entry_t *next;
config_values_t *config;
char *key;
int type;
/* type unknown */
char *unknown_value;
/* type string */
char *str_value;
char *str_default;
char *str_sticky;
/* common to range, enum, num, bool: */
int num_value;
int num_default;
/* type range specific: */
int range_min;
int range_max;
/* type enum specific: */
char **enum_values;
/* help info for the user */
char *description;
char *help;
/* callback function and data for live changeable values */
config_cb_t callback;
void *callback_data;
};
/*
* config entry data types
*/
#define CONFIG_TYPE_UNKNOWN 0
#define CONFIG_TYPE_RANGE 1
#define CONFIG_TYPE_STRING 2
#define CONFIG_TYPE_ENUM 3
#define CONFIG_TYPE_NUM 4
#define CONFIG_TYPE_BOOL 5
struct config_values_s {
/*
* register config values
*
* these functions return the current value of the
* registered item, i.e. the default value if it was
* not found in the config file or the current value
* from the config file otherwise
*/
char* (*register_string) (config_values_t *this,
char *key,
char *def_value,
char *description,
char *help,
config_cb_t changed_cb,
void *cb_data);
int (*register_range) (config_values_t *this,
char *key,
int def_value,
int min, int max,
char *description,
char *help,
config_cb_t changed_cb,
void *cb_data);
int (*register_enum) (config_values_t *this,
char *key,
int def_value,
char **values,
char *description,
char *help,
config_cb_t changed_cb,
void *cb_data);
int (*register_num) (config_values_t *this,
char *key,
int def_value,
char *description,
char *help,
config_cb_t changed_cb,
void *cb_data);
int (*register_bool) (config_values_t *this,
char *key,
int def_value,
char *description,
char *help,
config_cb_t changed_cb,
void *cb_data);
/* convenience function to update range, enum, num and bool values */
void (*update_num) (config_values_t *this,
char *key, int value);
/* convenience function to update string values */
void (*update_string) (config_values_t *this,
char *key, char *value);
/* small utility function for enum handling */
int (*parse_enum) (char *str, char **values);
/*
* lookup config entries
*
* remember to call the changed_cb if it exists
* and you changed the value of this item
*/
cfg_entry_t* (*lookup_entry) (config_values_t *this,
char *key);
/*
* write config file to disk
*/
void (*save) (config_values_t *this);
/*
* read config file from disk, overriding values in memory
*/
void (*read) (config_values_t *this, char *filename);
/*
* free memory resources
*/
void (*dispose) (config_values_t *this);
/*
* unregister callback function
*/
void (*unregister_callback) (config_values_t *this,
char *key);
/*
* config values are stored here:
*/
cfg_entry_t *first, *last;
};
/*
* init internal data structures, read config file
* (if it exists)
*/
config_values_t *xine_config_file_init (char *filename);
int config_file_change_opt(config_values_t *config, char *opt);
#ifdef __cplusplus
}
#endif
#endif
/*
* $Log: configfile.h,v $
* Revision 1.11 2002/06/17 07:47:50 f1rmb
* Add Siggi's idea about option config change on the fly. New "mrl style"
* opt:key=value. I hope i haven't introduced races here.
*
* Revision 1.10 2002/04/27 23:00:40 cvogler
* Add function to unregister configfile callback.
*
* Necessary to prevent segfaults if target of a callback has been disposed.
*
* Revision 1.9 2002/03/16 13:33:47 esnel
* fix memory leak, add dispose() function to config_values_s
*
* Revision 1.8 2002/02/06 10:57:15 f1rmb
* rename config_file_init to xine_config_file_init.
*
* Revision 1.7 2001/12/01 22:38:32 guenter
* add avi subtitle decoder (based on mplayer code), minor cleanups, removed register_empty function from configfile (undocumented and doesn't make sense)
*
* Revision 1.6 2001/11/30 21:55:06 f1rmb
* Add an automatic way for input plugin to add extra valid mrls:
* add at bottom of init_input_plugin() a line like this:
* REGISTER_VALID_MRLS(this->config, "mrl.mrls_mpeg_block", "xxx");
*
* Revision 1.5 2001/11/20 17:22:14 miguelfreitas
* testing some configfile stuff...
*
* Revision 1.4 2001/11/18 03:53:25 guenter
* new configfile interface, code cleanup, xprintf is gone
*
* Revision 1.3 2001/07/26 11:12:26 f1rmb
* Updated doxy sections in xine.h.tmpl.in. Added man3. Removed french man page. Added API doc in html. Add new rpm package (doc). Fixes some little bugs in
* proto decl, etc...
*
* Revision 1.2 2001/07/18 21:38:17 f1rmb
* Split alsa drivers, more checks about versions. Made xine lib c++ compliant.
*
* Revision 1.1.1.1 2001/04/18 22:36:05 f1rmb
* Initial import into CVS
*
* Revision 1.6 2001/03/31 03:42:25 guenter
* more cleanups, started xv driver
*
* Revision 1.5 2001/03/28 12:30:25 siggi
* fixed init function
* added read function (multiple config files now supported)
*
* Revision 1.4 2001/03/27 21:49:02 siggi
* started touching demuxers
*
*/
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