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/*
* command line and config file parser
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#define CONF_TYPE_FLAG 0
#define CONF_TYPE_INT 1
#define CONF_TYPE_FLOAT 2
#define CONF_TYPE_STRING 3
#define CONF_TYPE_FUNC 4
#define CONF_TYPE_FUNC_PARAM 5
#define CONF_TYPE_PRINT 6
#define CONF_TYPE_FUNC_FULL 7
#define CONF_TYPE_SUBCONFIG 8
#define CONF_TYPE_STRING_LIST 9
#define CONF_TYPE_POSITION 10
#define ERR_NOT_AN_OPTION -1
#define ERR_MISSING_PARAM -2
#define ERR_OUT_OF_RANGE -3
#define ERR_FUNC_ERR -4
#define CONF_MIN (1<<0)
#define CONF_MAX (1<<1)
#define CONF_RANGE (CONF_MIN|CONF_MAX)
#define CONF_NOCFG (1<<2)
#define CONF_NOCMD (1<<3)
#define CONF_GLOBAL (1<<4)
#define CONF_NOSAVE (1<<5)
typedef struct config config_t;
typedef struct m_config m_config_t;
typedef struct config_save config_save_t;
#include "playtree.h"
typedef void (*cfg_default_func_t)(config_t *, char*);
struct config {
char *name;
void *p;
unsigned int type;
unsigned int flags;
float min,max;
/* Use this field when your need to do something before a new value is
assigned to your option */
cfg_default_func_t default_func;
};
struct m_config {
config_t** opt_list;
config_save_t** config_stack;
int cs_level;
int parser_mode; /* COMMAND_LINE or CONFIG_FILE */
int flags;
char* sub_conf; // When we save a subconfig
play_tree_t* pt; // play tree we use for playlist option, etc
play_tree_t* last_entry; // last added entry
play_tree_t* last_parent; // if last_entry is NULL we must create child of this
int recursion_depth;
};
struct config_save {
config_t* opt;
union {
int as_int;
float as_float;
void* as_pointer;
off_t as_off_t;
} param;
char* opt_name;
};
typedef int (*cfg_func_arg_param_t)(config_t *, char *, char *);
typedef int (*cfg_func_param_t)(config_t *, char *);
typedef int (*cfg_func_t)(config_t *);
/* parse_config_file returns:
* -1 on error (can't malloc, invalid option...)
* 0 if can't open configfile
* 1 on success
*/
int m_config_parse_config_file(m_config_t *config, char *conffile);
/* parse_command_line returns:
* -1 on error (invalid option...)
* 1 otherwise
*/
int m_config_parse_command_line(m_config_t* config, int argc, char **argv);
m_config_t* m_config_new(play_tree_t* pt);
void m_config_free(m_config_t* config);
void m_config_push(m_config_t* config);
/*
* Return 0 on error 1 on success
*/
int m_config_pop(m_config_t* config);
/*
* Return 0 on error 1 on success
*/
int m_config_register_options(m_config_t *config,config_t *args);
/*
* For all the following function when it's a subconfig option
* you must give an option name like 'tv:channel' and not just
* 'channel'
*/
/*
* Return 1 on sucess 0 on failure
*/
int m_config_set_option(m_config_t *config,char *opt, char *param);
/*
* Get the config struct defining an option
* Return NULL on error
*/
config_t* m_config_get_option(m_config_t *config, char* arg);
/*
* Get the p field of the struct defining an option
* Return NULL on error
*/
void* m_config_get_option_ptr(m_config_t *config, char* arg);
/*
* Tell is an option is alredy set or not
* Return -1 one error (requested option arg exist)
* Otherwise 0 or 1
*/
int m_config_is_option_set(m_config_t *config, char* arg);
/*
* Return 0 on error 1 on success
*/
int m_config_switch_flag(m_config_t *config, char* opt);
/*
* Return 0 on error 1 on success
*/
int m_config_set_flag(m_config_t *config, char* opt, int max);
/*
* Return the value of a flag (O or 1) and -1 on error
*/
int m_config_get_flag(m_config_t *config, char* opt);
/*
* Set the value of an int option
* Return 0 on error 1 on success
*/
int
m_config_set_int(m_config_t *config, char* arg,int val);
/*
* Get the value of an int option
* Return the option value or -1 on error
* If err_ret is not NULL it's set to 1 on error
*/
int
m_config_get_int (m_config_t *config, char* arg,int* err_ret);
/*
* Set the value of a float option
* Return 0 on error 1 on success
*/
int
m_config_set_float(m_config_t *config, char* arg,float val);
/*
* Get the value of a float option
* Return the option value or -1 on error
* If err_ret is not NULL it's set to 1 on error
*/
float
m_config_get_float (m_config_t *config, char* arg,int* err_ret);
#endif /* __CONFIG_H */
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