packer.h (1727B)
1 #pragma once 2 3 #include <stdbool.h> 4 #include <stddef.h> // IWYU pragma: keep 5 #include <stdint.h> 6 #include <string.h> // IWYU pragma: keep 7 8 #include "nvim/api/private/defs.h" // IWYU pragma: keep 9 #include "nvim/msgpack_rpc/packer_defs.h" 10 11 #define mpack_w(b, byte) *(*(b))++ = (char)(byte); 12 static inline void mpack_w2(char **b, uint32_t v) 13 { 14 *(*b)++ = (char)((v >> 8) & 0xff); 15 *(*b)++ = (char)(v & 0xff); 16 } 17 18 static inline void mpack_w4(char **b, uint32_t v) 19 { 20 *(*b)++ = (char)((v >> 24) & 0xff); 21 *(*b)++ = (char)((v >> 16) & 0xff); 22 *(*b)++ = (char)((v >> 8) & 0xff); 23 *(*b)++ = (char)(v & 0xff); 24 } 25 26 static inline void mpack_uint(char **buf, uint32_t val) 27 { 28 if (val > 0xffff) { 29 mpack_w(buf, 0xce); 30 mpack_w4(buf, val); 31 } else if (val > 0xff) { 32 mpack_w(buf, 0xcd); 33 mpack_w2(buf, val); 34 } else if (val > 0x7f) { 35 mpack_w(buf, 0xcc); 36 mpack_w(buf, val); 37 } else { 38 mpack_w(buf, val); 39 } 40 } 41 42 #define mpack_nil(buf) mpack_w(buf, 0xc0) 43 static inline void mpack_bool(char **buf, bool val) 44 { 45 mpack_w(buf, 0xc2 | (val ? 1 : 0)); 46 } 47 48 static inline void mpack_array(char **buf, uint32_t len) 49 { 50 if (len < 0x10) { 51 mpack_w(buf, 0x90 | len); 52 } else if (len < 0x10000) { 53 mpack_w(buf, 0xdc); 54 mpack_w2(buf, len); 55 } else { 56 mpack_w(buf, 0xdd); 57 mpack_w4(buf, len); 58 } 59 } 60 61 static inline void mpack_map(char **buf, uint32_t len) 62 { 63 if (len < 0x10) { 64 mpack_w(buf, 0x80 | len); 65 } else if (len < 0x10000) { 66 mpack_w(buf, 0xde); 67 mpack_w2(buf, len); 68 } else { 69 mpack_w(buf, 0xdf); 70 mpack_w4(buf, len); 71 } 72 } 73 74 static inline size_t mpack_remaining(PackerBuffer *packer) 75 { 76 return (size_t)(packer->endptr - packer->ptr); 77 } 78 79 #include "msgpack_rpc/packer.h.generated.h"