n_config_file.h

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#ifndef __N_CONFIG_FILE__
#define __N_CONFIG_FILE__
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#include "n_hash.h"
#include "n_str.h"
#include "n_log.h"
 
 
#define MAX_CONFIG_LINE_LEN 1024
#define CONFIG_SECTION_HASH_TABLE_LEN 16
 
typedef struct CONFIG_FILE_SECTION
{
    char *section_name ;
    HASH_TABLE *entries ;
} CONFIG_FILE_SECTION ;
 
 
typedef struct CONFIG_FILE
{
    char *filename ;
    LIST *sections ;
} CONFIG_FILE ;
 
/* load a config from a file */
CONFIG_FILE *load_config_file( char *filename, int *errors);
/* write file from config */
int write_config_file( CONFIG_FILE *cfg_file, char *filename );
/* get a loaded config value */
char *get_config_section_value( CONFIG_FILE *cfg_file, char *section_name, int section_position, char *entry, int entry_position );
/* get the number of section for section name */
int get_nb_config_file_sections( CONFIG_FILE *cfg_file, char *section_name );
/* get the number of entries for section_name/entry */
int get_nb_config_file_sections_entries( CONFIG_FILE *cfg_file, char *section_name, int section_position, char *entry );
/* destroy a loaded config */
int destroy_config_file( CONFIG_FILE **cfg_file );
 
#define config_foreach( __config , __section_name , __key , __val ) \
                if( !__config || !__config -> sections ) \
                { \
                                n_log( LOG_ERR , "No config file for %s" , #__config ); \
                } \
                else  \
                { \
                                list_foreach( listnode , __config -> sections ) \
                                { \
                                                CONFIG_FILE_SECTION *__section = (CONFIG_FILE_SECTION *)listnode -> ptr ; \
                                                __section_name = __section -> section_name ; \
                                                ht_foreach( entry , __section -> entries ) \
                                                { \
                                                                HASH_NODE *htnode = (HASH_NODE *)entry -> ptr ; \
                                                                if( htnode && htnode -> data . ptr ) \
                                                                { \
                                                                                __key = htnode -> key ; \
                                                                                __val = htnode -> data . ptr ;
 
#define config_endfor \
                                                                } \
                                                } \
                                } \
                }
 
#ifdef __cplusplus
}
#endif
 
#endif /* #ifndef __N_CONFIG_FILE__ */