include/conf.h

   1
   2 enum _snd_config_type {
   3         SND_CONFIG_TYPE_INTEGER,
   4         SND_CONFIG_TYPE_REAL,
   5         SND_CONFIG_TYPE_STRING,
   6         SND_CONFIG_TYPE_COMPOUND,
   7 };
   8
   9 #ifdef SND_ENUM_TYPECHECK
  10 typedef struct __snd_config_type *snd_config_type_t;
  11 #else
  12 typedef enum _snd_config_type snd_config_type_t;
  13 #endif
  14
  15 #define SND_CONFIG_TYPE_INTEGER ((snd_config_type_t) SND_CONFIG_TYPE_INTEGER)
  16 #define SND_CONFIG_TYPE_REAL ((snd_config_type_t) SND_CONFIG_TYPE_REAL)
  17 #define SND_CONFIG_TYPE_STRING ((snd_config_type_t) SND_CONFIG_TYPE_STRING)
  18 #define SND_CONFIG_TYPE_COMPOUND ((snd_config_type_t) SND_CONFIG_TYPE_COMPOUND)
  19
  20 typedef struct _snd_config snd_config_t;
  21
  22 struct _snd_config {
  23         char *id;
  24         snd_config_type_t type;
  25         union {
  26                 long integer;
  27                 char *string;
  28                 double real;
  29                 struct {
  30                         struct list_head fields;
  31                         int join;
  32                 } compound;
  33         } u;
  34         struct list_head list;
  35         snd_config_t *father;
  36 };
  37
  38 static inline snd_config_type_t snd_config_type(snd_config_t *config)
  39 {
  40         return config->type;
  41 }
  42
  43 static inline char *snd_config_id(snd_config_t *config)
  44 {
  45         return config->id;
  46 }
  47
  48 int snd_config_top(snd_config_t **config);
  49
  50 int snd_config_load(snd_config_t *config, snd_input_t *in);
  51 int snd_config_save(snd_config_t *config, snd_output_t *out);
  52
  53 int snd_config_search(snd_config_t *config, char *key, snd_config_t **result);
  54 int snd_config_searchv(snd_config_t *config,
  55                        snd_config_t **result, ...);
  56
  57 int snd_config_add(snd_config_t *config, snd_config_t *leaf);
  58 int snd_config_delete(snd_config_t *config);
  59
  60 int snd_config_make(snd_config_t **config, char *key,
  61                     snd_config_type_t type);
  62 int snd_config_integer_make(snd_config_t **config, char *key);
  63 int snd_config_real_make(snd_config_t **config, char *key);
  64 int snd_config_string_make(snd_config_t **config, char *key);
  65 int snd_config_compound_make(snd_config_t **config, char *key, int join);
  66
  67 int snd_config_integer_set(snd_config_t *config, long value);
  68 int snd_config_real_set(snd_config_t *config, double value);
  69 int snd_config_string_set(snd_config_t *config, char *value);
  70 int snd_config_integer_get(snd_config_t *config, long *value);
  71 int snd_config_real_get(snd_config_t *config, double *value);
  72 int snd_config_string_get(snd_config_t *config, char **value);
  73
  74 /* One argument: long, double or char* */
  75 int snd_config_set(snd_config_t *config, ...);
  76 int snd_config_get(snd_config_t *config, void *);
  77
  78 typedef struct list_head *snd_config_iterator_t;
  79
  80 #define snd_config_foreach(iterator, node) \
  81         assert((node)->type == SND_CONFIG_TYPE_COMPOUND); \
  82         for (iterator = (node)->u.compound.fields.next; iterator != &(node)->u.compound.fields; iterator = iterator->next)
  83
  84 #define snd_config_entry(iterator) list_entry(iterator, snd_config_t, list)
  85
  86 snd_config_type_t snd_config_type(snd_config_t *config);
  87 char *snd_config_id(snd_config_t *config);
  88
  89 extern snd_config_t *snd_config;
  90 int snd_config_update();