152 lines
4.0 KiB
C
152 lines
4.0 KiB
C
#ifndef E_CONFIG_H
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#define E_CONFIG_H
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#include "e.h"
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typedef struct _E_Config_File E_Config_File;
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typedef struct _E_Config_Element E_Config_Element;
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/* something to check validity of config files where we get data from */
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/* for now its just a 5 second timout so it will only invalidate */
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/* if we havent looked for 5 seconds... BUT later when efsd is more solid */
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/* we should use that to tell us when its invalid */
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struct _E_Config_File
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{
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char *src;
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double last_fetch;
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};
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struct _E_Config_Element
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{
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char *src;
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char *key;
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double last_fetch;
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int type;
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int def_int_val;
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float def_float_val;
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char *def_str_val;
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void *def_data_val;
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int def_data_val_size;
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int cur_int_val;
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float cur_float_val;
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char *cur_str_val;
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void *cur_data_val;
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int cur_data_val_size;
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};
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#define E_CFG_FILE(_var, _src) \
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static E_Config_File _var = {_src, 0.0}
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#define E_CONFIG_CHECK_VALIDITY(_var, _src) \
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{ \
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double __time; \
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__time = e_get_time(); \
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if (_var.last_fetch < (__time - 5.0)) { \
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_var.last_fetch = __time;
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#define E_CONFIG_CHECK_VALIDITY_END \
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} \
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}
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#define E_CFG_INT_T 123
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#define E_CFG_FLOAT_T 1234
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#define E_CFG_STR_T 12345
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#define E_CFG_DATA_T 123456
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#define E_CFG_INT(_var, _src, _key, _default) \
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static E_Config_Element _var = { _src, _key, 0.0, E_CFG_INT_T, \
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_default, 0.0, NULL, NULL, 0, \
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0, 0.0, NULL, NULL, 0, \
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}
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#define E_CFG_FLOAT(_var, _src, _key, _default) \
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static E_Config_Element _var = { _src, _key, 0.0, E_CFG_FLOAT_T, \
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0, _default, NULL, NULL, 0, \
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0, 0.0, NULL, NULL, 0, \
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}
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#define E_CFG_STR(_var, _src, _key, _default) \
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static E_Config_Element _var = { _src, _key, 0.0, E_CFG_STR_T, \
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0, 0.0, _default, NULL, 0, \
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0, 0.0, NULL, NULL, 0, \
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}
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#define E_CFG_DATA(_var, _src, _key, _default, _default_size) \
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static E_Config_Element _var = { _src, _key, 0.0, E_CFG_DATAT_T, \
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0, 0.0, NULL, _default, _default_size, \
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0, 0.0, NULL, NULL, 0, \
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}
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/* yes for now it only fetches them every 5 seconds - in the end i need a */
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/* validity flag for the database file to know if it changed and only then */
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/* get the value again. this is waiting for efsd to become more solid */
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#define E_CFG_VALIDITY_CHECK(_var) \
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{ \
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double __time; \
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__time = e_get_time(); \
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if (_var.last_fetch < (__time - 5.0)) { \
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int __cfg_ok = 0; \
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_var.last_fetch = __time;
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#define E_CFG_END_VALIDITY_CHECK \
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} \
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}
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#define E_CONFIG_INT_GET(_var, _val) \
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{{ \
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E_CFG_VALIDITY_CHECK(_var) \
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E_DB_INT_GET(e_config_get(_var.src), _var.key, _var.cur_int_val, __cfg_ok); \
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if (!__cfg_ok) _var.cur_int_val = _var.def_int_val; \
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E_CFG_END_VALIDITY_CHECK \
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} \
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_val = _var.cur_int_val;}
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#define E_CONFIG_FLOAT_GET(_var, _val) \
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{{ \
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E_CFG_VALIDITY_CHECK(_var) \
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E_DB_FLOAT_GET(e_config_get(_var.src), _var.key, _var.cur_float_val, __cfg_ok); \
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if (!__cfg_ok) _var.cur_float_val = _var.def_float_val; \
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E_CFG_END_VALIDITY_CHECK \
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} \
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_val = _var.cur_float_val;}
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#define E_CONFIG_STR_GET(_var, _val) \
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{{ \
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E_CFG_VALIDITY_CHECK(_var) \
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if (_var.cur_str_val) free(_var.cur_str_val); \
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_var.cur_str_val = NULL; \
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E_DB_STR_GET(e_config_get(_var.src), _var.key, _var.cur_str_val, __cfg_ok); \
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if (!__cfg_ok) _var.cur_str_val = _var.def_str_val \
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E_CFG_END_VALIDITY_CHECK \
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} \
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_val = _var.cur_str_val;}
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#define E_CONFIG_DATA_GET(_var, _val, _size) \
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{{ \
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E_CFG_VALIDITY_CHECK(_var) \
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if (_var.cur_data_val) free(_var.cur_data_val); \
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_var.cur_data_val = NULL; \
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_var.cur_data_size = 0; \
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{ E_DB_File *__db; \
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__db = e_db_open_read(e_config_get(_var.src)); \
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if (__db) { \
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_var.cur_data_val = e_db_data_get(__db, _var.key, &(_var.cur_data_size)); \
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if (_var.cur_data_val) __cfg_ok = 1; \
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e_db_close(__db); \
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} \
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} \
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if (!__cfg_ok) { \
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_var.cur_data_val = e_memdup(_var.def_data_val, _var.def_data_size); \
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_var.cur_data_size = _var.def_data_size; \
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} \
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E_CFG_END_VALIDITY_CHECK \
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} \
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_val = _var.cur_data_val; \
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_size = _var.cur_data_size;}
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char *e_config_get(char *type);
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void e_config_init(void);
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void e_config_set_user_dir(char *dir);
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char *e_config_user_dir(void);
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#endif
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