include/conf.h

   1
   2 typedef enum {
   3         SND_CONFIG_TYPE_INTEGER,
   4         SND_CONFIG_TYPE_REAL,
   5         SND_CONFIG_TYPE_STRING,
   6         SND_CONFIG_TYPE_COMPOUND,
   7 } snd_config_type_t;
   8
   9 typedef struct snd_config snd_config_t;
  10
  11 struct snd_config {
  12         char *id;
  13         snd_config_type_t type;
  14         union {
  15                 long integer;
  16                 char *string;
  17                 double real;
  18                 struct {
  19                         struct list_head fields;
  20                         int join;
  21                 } compound;
  22         } u;
  23         struct list_head list;
  24         snd_config_t *father;
  25 };
  26
  27 int snd_config_top(snd_config_t **config);
  28
  29 int snd_config_load(snd_config_t *config, FILE *fp);
  30 int snd_config_save(snd_config_t *config, FILE *fp);
  31
  32 int snd_config_search(snd_config_t *config, char *key, snd_config_t **result);
  33 int snd_config_searchv(snd_config_t *config,
  34                        snd_config_t **result, ...);
  35
  36 int snd_config_add(snd_config_t *config, snd_config_t *leaf);
  37 int snd_config_delete(snd_config_t *config);
  38
  39 int snd_config_make(snd_config_t **config, char *key,
  40                     snd_config_type_t type);
  41
  42 int snd_config_integer_set(snd_config_t *config, long value);
  43 int snd_config_real_set(snd_config_t *config, double value);
  44 int snd_config_string_set(snd_config_t *config, char *value);
  45 int snd_config_integer_get(snd_config_t *config, long *value);
  46 int snd_config_real_get(snd_config_t *config, double *value);
  47 int snd_config_string_get(snd_config_t *config, char **value);
  48
  49 /* One argument: long, double or char* */
  50 int snd_config_set(snd_config_t *config, ...);
  51 int snd_config_get(snd_config_t *config, void *);
  52
  53 typedef struct list_head *snd_config_iterator_t;
  54
  55 #define snd_config_foreach(iterator, node) \
  56         assert((node)->type == SND_CONFIG_TYPE_COMPOUND); \
  57         for (iterator = (node)->u.compound.fields.next; iterator != &(node)->u.compound.fields; iterator = iterator->next)
  58
  59 #define snd_config_entry(iterator) list_entry(iterator, snd_config_t, list)
  60
  61 static inline snd_config_type_t snd_config_type(snd_config_t *config)
  62 {
  63         return config->type;
  64 }
  65
  66 static inline char *snd_config_id(snd_config_t *config)
  67 {
  68         return config->id;
  69 }
  70
  71 snd_config_t *snd_config;
  72 int snd_config_update();