RetroArch/libretro-db/rmsgpack_dom.h

#ifndef __RARCHDB_MSGPACK_DOM_H__
#define __RARCHDB_MSGPACK_DOM_H__

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

enum rmsgpack_dom_type
{
	RDT_NULL = 0,
	RDT_BOOL,
	RDT_UINT,
	RDT_INT,
	RDT_STRING,
	RDT_BINARY,
	RDT_MAP,
	RDT_ARRAY
};

struct rmsgpack_dom_value
{
   enum rmsgpack_dom_type type;
   union
   {
      uint64_t uint_;
      int64_t int_;
      struct
      {
         uint32_t len;
         char * buff;
      } string;
      struct
      {
         uint32_t len;
         char * buff;
      } binary;
      int bool_;
      struct
      {
         uint32_t len;
         struct rmsgpack_dom_pair * items;
      } map;
      struct
      {
         uint32_t len;
         struct rmsgpack_dom_value * items;
      } array;
   } val;
};

struct rmsgpack_dom_pair
{
	struct rmsgpack_dom_value key;
	struct rmsgpack_dom_value value;
};

void rmsgpack_dom_value_print(struct rmsgpack_dom_value * obj);
void rmsgpack_dom_value_free(struct rmsgpack_dom_value * v);
int rmsgpack_dom_value_cmp(
        const struct rmsgpack_dom_value * a,
        const struct rmsgpack_dom_value * b
);

struct rmsgpack_dom_value * rmsgpack_dom_value_map_value(
        const struct rmsgpack_dom_value * map,
        const struct rmsgpack_dom_value * key
);

int rmsgpack_dom_read(
        int fd,
        struct rmsgpack_dom_value * out
);
int rmsgpack_dom_write(
        int fd,
        const struct rmsgpack_dom_value * obj
);

int rmsgpack_dom_read_into(int fd, ...);

#ifdef __cplusplus
}
#endif

#endif