| #ifndef CBOR_PROTOCOL_H__ |
| #define CBOR_PROTOCOL_H__ |
| |
| /* The 8 major types */ |
| #define MT_UNSIGNED 0 |
| #define MT_NEGATIVE 1 |
| #define MT_BYTES 2 |
| #define MT_TEXT 3 |
| #define MT_ARRAY 4 |
| #define MT_MAP 5 |
| #define MT_TAG 6 |
| #define MT_PRIM 7 |
| |
| /* The initial bytes resulting from those */ |
| #define IB_UNSIGNED (MT_UNSIGNED << 5) |
| #define IB_NEGATIVE (MT_NEGATIVE << 5) |
| #define IB_BYTES (MT_BYTES << 5) |
| #define IB_TEXT (MT_TEXT << 5) |
| #define IB_ARRAY (MT_ARRAY << 5) |
| #define IB_MAP (MT_MAP << 5) |
| #define IB_TAG (MT_TAG << 5) |
| #define IB_PRIM (MT_PRIM << 5) |
| |
| #define IB_NEGFLAG (IB_NEGATIVE - IB_UNSIGNED) |
| #define IB_NEGFLAG_AS_BIT(ib) ((ib) >> 5) |
| #define IB_TEXTFLAG (IB_TEXT - IB_BYTES) |
| |
| #define IB_AI(ib) ((ib) & 0x1F) |
| #define IB_MT(ib) ((ib) >> 5) |
| |
| /* Tag numbers handled by this implementation */ |
| #define TAG_TIME_EPOCH 1 |
| #define TAG_BIGNUM 2 |
| #define TAG_BIGNUM_NEG 3 |
| #define TAG_URI 32 |
| #define TAG_RE 35 |
| |
| /* Initial bytes of those tag numbers */ |
| #define IB_TIME_EPOCH (IB_TAG + TAG_TIME_EPOCH) |
| #define IB_BIGNUM (IB_TAG + TAG_BIGNUM) |
| #define IB_BIGNUM_NEG (IB_TAG + TAG_BIGNUM_NEG) |
| /* TAG_URI and TAG_RE are non-immediate tags */ |
| |
| /* Simple values handled by this implementation */ |
| #define VAL_NIL 22 |
| #define VAL_FALSE 20 |
| #define VAL_TRUE 21 |
| |
| /* Initial bytes of those simple values */ |
| #define IB_NIL (IB_PRIM + VAL_NIL) |
| #define IB_FALSE (IB_PRIM + VAL_FALSE) |
| #define IB_TRUE (IB_PRIM + VAL_TRUE) |
| |
| /* AI values with more data in head */ |
| #define AI_1 24 |
| #define AI_2 25 |
| #define AI_4 26 |
| #define AI_8 27 |
| #define AI_INDEF 31 |
| #define IB_BREAK (IB_PRIM + AI_INDEF) |
| /* For */ |
| #define IB_UNUSED (IB_TAG + AI_INDEF) |
| |
| /* Floating point initial bytes */ |
| #define IB_FLOAT2 (IB_PRIM + AI_2) |
| #define IB_FLOAT4 (IB_PRIM + AI_4) |
| #define IB_FLOAT8 (IB_PRIM + AI_8) |
| |
| #endif |
