v4k-git-backup/engine/split/v4k_data.h

60 lines
2.5 KiB
C

// -----------------------------------------------------------------------------
// data framework (json5, xml, compression) @todo:kvdb
// - rlyeh, public domain
//
// @todo: vec2,vec3,vec4
typedef union json_t { char* s; double f; int64_t i; uintptr_t p; array(union json_t) arr; } json_t;
// json api
API bool json_push(const char *json_content);
API const char* json_key(const char *keypath);
API json_t* json_find(const char *type_keypath);
API json_t json_get(const char *type_keypath);
API int json_count(const char *keypath);
#define json_int(...) (json_get(va("i" __VA_ARGS__)).i)
#define json_float(...) (json_get(va("f" __VA_ARGS__)).f)
#define json_string(...) (json_get(va("s" __VA_ARGS__)).s)
#define json_key(...) json_key(va(__VA_ARGS__))
#define json_count(...) json_count(va(__VA_ARGS__))
API bool json_pop();
// xml api
API int xml_push(const char *xml_content);
API const char * xml_string(char *key);
API unsigned xml_count(char *key);
API array(char) xml_blob(char *key);
#define xml_string(...) xml_string(va(__VA_ARGS__)) // syntax sugar: string
#define xml_int(...) atoi(xml_string(__VA_ARGS__)) // syntax sugar: int
#define xml_float(...) atof(xml_string(__VA_ARGS__)) // syntax sugar: float
#define xml_blob(...) xml_blob(va(__VA_ARGS__)) // syntax sugar: base64 blob
#define xml_count(...) xml_count(va(__VA_ARGS__)) // syntax sugar: count nodes
API void xml_pop();
API bool data_tests();
// compression api
enum COMPRESS_FLAGS {
COMPRESS_RAW = 0,
COMPRESS_PPP = (1<<4),
COMPRESS_ULZ = (2<<4),
COMPRESS_LZ4 = (3<<4),
COMPRESS_CRUSH = (4<<4),
COMPRESS_DEFLATE = (5<<4),
COMPRESS_LZP1 = (6<<4),
COMPRESS_LZMA = (7<<4),
COMPRESS_BALZ = (8<<4),
COMPRESS_LZW3 = (9<<4),
COMPRESS_LZSS = (10<<4),
COMPRESS_BCM = (11<<4),
COMPRESS_ZLIB = (12<<4), // same as deflate with header
};
API unsigned zbounds(unsigned inlen, unsigned flags);
API unsigned zencode(void *out, unsigned outlen, const void *in, unsigned inlen, unsigned flags);
API unsigned zexcess(unsigned flags);
API unsigned zdecode(void *out, unsigned outlen, const void *in, unsigned inlen, unsigned flags);