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