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coding

This commit is contained in:
Shengliang Guan 2022-02-28 10:43:19 +08:00
parent 1f83138df2
commit 3136a23b8f
1 changed files with 35 additions and 35 deletions
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66
include/util/tcoding.h
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@ -15,12 +15,12 @@
#ifndef _TD_UTIL_CODING_H #ifndef _TD_UTIL_CODING_H
#define _TD_UTIL_CODING_H #define _TD_UTIL_CODING_H
#include "os.h"
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
#include "os.h"
#define ENCODE_LIMIT (((uint8_t)1) << 7) #define ENCODE_LIMIT (((uint8_t)1) << 7)
#define ZIGZAGE(T, v) ((u##T)((v) >> (sizeof(T) * 8 - 1))) ^ (((u##T)(v)) << 1) // zigzag encode #define ZIGZAGE(T, v) ((u##T)((v) >> (sizeof(T) * 8 - 1))) ^ (((u##T)(v)) << 1) // zigzag encode
#define ZIGZAGD(T, v) ((v) >> 1) ^ -((T)((v)&1)) // zigzag decode #define ZIGZAGD(T, v) ((v) >> 1) ^ -((T)((v)&1)) // zigzag decode
@ -28,13 +28,13 @@ extern "C" {
/* ------------------------ LEGACY CODES ------------------------ */ /* ------------------------ LEGACY CODES ------------------------ */
#if 1 #if 1
// ---- Fixed U8 // ---- Fixed U8
static FORCE_INLINE int taosEncodeFixedU8(void **buf, uint8_t value) { static FORCE_INLINE int32_t taosEncodeFixedU8(void **buf, uint8_t value) {
if (buf != NULL) { if (buf != NULL) {
((uint8_t *)(*buf))[0] = value; ((uint8_t *)(*buf))[0] = value;
*buf = POINTER_SHIFT(*buf, sizeof(value)); *buf = POINTER_SHIFT(*buf, sizeof(value));
} }
return (int)sizeof(value); return (int32_t)sizeof(value);
} }
static FORCE_INLINE void *taosDecodeFixedU8(const void *buf, uint8_t *value) { static FORCE_INLINE void *taosDecodeFixedU8(const void *buf, uint8_t *value) {
@ -43,12 +43,12 @@ static FORCE_INLINE void *taosDecodeFixedU8(const void *buf, uint8_t *value) {
} }
// ---- Fixed I8 // ---- Fixed I8
static FORCE_INLINE int taosEncodeFixedI8(void **buf, int8_t value) { static FORCE_INLINE int32_t taosEncodeFixedI8(void **buf, int8_t value) {
if (buf != NULL) { if (buf != NULL) {
((int8_t *)(*buf))[0] = value; ((int8_t *)(*buf))[0] = value;
*buf = POINTER_SHIFT(*buf, sizeof(value)); *buf = POINTER_SHIFT(*buf, sizeof(value));
} }
return (int)sizeof(value); return (int32_t)sizeof(value);
} }
static FORCE_INLINE void *taosDecodeFixedI8(const void *buf, int8_t *value) { static FORCE_INLINE void *taosDecodeFixedI8(const void *buf, int8_t *value) {
@ -57,7 +57,7 @@ static FORCE_INLINE void *taosDecodeFixedI8(const void *buf, int8_t *value) {
} }
// ---- Fixed U16 // ---- Fixed U16
static FORCE_INLINE int taosEncodeFixedU16(void **buf, uint16_t value) { static FORCE_INLINE int32_t taosEncodeFixedU16(void **buf, uint16_t value) {
if (buf != NULL) { if (buf != NULL) {
if (IS_LITTLE_ENDIAN()) { if (IS_LITTLE_ENDIAN()) {
memcpy(*buf, &value, sizeof(value)); memcpy(*buf, &value, sizeof(value));
@ -68,7 +68,7 @@ static FORCE_INLINE int taosEncodeFixedU16(void **buf, uint16_t value) {
*buf = POINTER_SHIFT(*buf, sizeof(value)); *buf = POINTER_SHIFT(*buf, sizeof(value));
} }
return (int)sizeof(value); return (int32_t)sizeof(value);
} }
static FORCE_INLINE void *taosDecodeFixedU16(const void *buf, uint16_t *value) { static FORCE_INLINE void *taosDecodeFixedU16(const void *buf, uint16_t *value) {
@ -83,7 +83,7 @@ static FORCE_INLINE void *taosDecodeFixedU16(const void *buf, uint16_t *value) {
} }
// ---- Fixed I16 // ---- Fixed I16
static FORCE_INLINE int taosEncodeFixedI16(void **buf, int16_t value) { static FORCE_INLINE int32_t taosEncodeFixedI16(void **buf, int16_t value) {
return taosEncodeFixedU16(buf, ZIGZAGE(int16_t, value)); return taosEncodeFixedU16(buf, ZIGZAGE(int16_t, value));
} }
@ -95,7 +95,7 @@ static FORCE_INLINE void *taosDecodeFixedI16(const void *buf, int16_t *value) {
} }
// ---- Fixed U32 // ---- Fixed U32
static FORCE_INLINE int taosEncodeFixedU32(void **buf, uint32_t value) { static FORCE_INLINE int32_t taosEncodeFixedU32(void **buf, uint32_t value) {
if (buf != NULL) { if (buf != NULL) {
if (IS_LITTLE_ENDIAN()) { if (IS_LITTLE_ENDIAN()) {
memcpy(*buf, &value, sizeof(value)); memcpy(*buf, &value, sizeof(value));
@ -108,7 +108,7 @@ static FORCE_INLINE int taosEncodeFixedU32(void **buf, uint32_t value) {
*buf = POINTER_SHIFT(*buf, sizeof(value)); *buf = POINTER_SHIFT(*buf, sizeof(value));
} }
return (int)sizeof(value); return (int32_t)sizeof(value);
} }
static FORCE_INLINE void *taosDecodeFixedU32(const void *buf, uint32_t *value) { static FORCE_INLINE void *taosDecodeFixedU32(const void *buf, uint32_t *value) {
@ -125,7 +125,7 @@ static FORCE_INLINE void *taosDecodeFixedU32(const void *buf, uint32_t *value) {
} }
// ---- Fixed I32 // ---- Fixed I32
static FORCE_INLINE int taosEncodeFixedI32(void **buf, int32_t value) { static FORCE_INLINE int32_t taosEncodeFixedI32(void **buf, int32_t value) {
return taosEncodeFixedU32(buf, ZIGZAGE(int32_t, value)); return taosEncodeFixedU32(buf, ZIGZAGE(int32_t, value));
} }
@ -137,7 +137,7 @@ static FORCE_INLINE void *taosDecodeFixedI32(const void *buf, int32_t *value) {
} }
// ---- Fixed U64 // ---- Fixed U64
static FORCE_INLINE int taosEncodeFixedU64(void **buf, uint64_t value) { static FORCE_INLINE int32_t taosEncodeFixedU64(void **buf, uint64_t value) {
if (buf != NULL) { if (buf != NULL) {
if (IS_LITTLE_ENDIAN()) { if (IS_LITTLE_ENDIAN()) {
memcpy(*buf, &value, sizeof(value)); memcpy(*buf, &value, sizeof(value));
@ -155,7 +155,7 @@ static FORCE_INLINE int taosEncodeFixedU64(void **buf, uint64_t value) {
*buf = POINTER_SHIFT(*buf, sizeof(value)); *buf = POINTER_SHIFT(*buf, sizeof(value));
} }
return (int)sizeof(value); return (int32_t)sizeof(value);
} }
static FORCE_INLINE void *taosDecodeFixedU64(const void *buf, uint64_t *value) { static FORCE_INLINE void *taosDecodeFixedU64(const void *buf, uint64_t *value) {
@ -176,7 +176,7 @@ static FORCE_INLINE void *taosDecodeFixedU64(const void *buf, uint64_t *value) {
} }
// ---- Fixed I64 // ---- Fixed I64
static FORCE_INLINE int taosEncodeFixedI64(void **buf, int64_t value) { static FORCE_INLINE int32_t taosEncodeFixedI64(void **buf, int64_t value) {
return taosEncodeFixedU64(buf, ZIGZAGE(int64_t, value)); return taosEncodeFixedU64(buf, ZIGZAGE(int64_t, value));
} }
@ -188,8 +188,8 @@ static FORCE_INLINE void *taosDecodeFixedI64(const void *buf, int64_t *value) {
} }
// ---- Variant U16 // ---- Variant U16
static FORCE_INLINE int taosEncodeVariantU16(void **buf, uint16_t value) { static FORCE_INLINE int32_t taosEncodeVariantU16(void **buf, uint16_t value) {
int i = 0; int32_t i = 0;
while (value >= ENCODE_LIMIT) { while (value >= ENCODE_LIMIT) {
if (buf != NULL) ((uint8_t *)(*buf))[i] = (uint8_t)(value | ENCODE_LIMIT); if (buf != NULL) ((uint8_t *)(*buf))[i] = (uint8_t)(value | ENCODE_LIMIT);
value >>= 7; value >>= 7;
@ -206,7 +206,7 @@ static FORCE_INLINE int taosEncodeVariantU16(void **buf, uint16_t value) {
} }
static FORCE_INLINE void *taosDecodeVariantU16(const void *buf, uint16_t *value) { static FORCE_INLINE void *taosDecodeVariantU16(const void *buf, uint16_t *value) {
int i = 0; int32_t i = 0;
uint16_t tval = 0; uint16_t tval = 0;
*value = 0; *value = 0;
while (i < 3) { while (i < 3) {
@ -224,7 +224,7 @@ static FORCE_INLINE void *taosDecodeVariantU16(const void *buf, uint16_t *value)
} }
// ---- Variant I16 // ---- Variant I16
static FORCE_INLINE int taosEncodeVariantI16(void **buf, int16_t value) { static FORCE_INLINE int32_t taosEncodeVariantI16(void **buf, int16_t value) {
return taosEncodeVariantU16(buf, ZIGZAGE(int16_t, value)); return taosEncodeVariantU16(buf, ZIGZAGE(int16_t, value));
} }
@ -236,8 +236,8 @@ static FORCE_INLINE void *taosDecodeVariantI16(const void *buf, int16_t *value)
} }
// ---- Variant U32 // ---- Variant U32
static FORCE_INLINE int taosEncodeVariantU32(void **buf, uint32_t value) { static FORCE_INLINE int32_t taosEncodeVariantU32(void **buf, uint32_t value) {
int i = 0; int32_t i = 0;
while (value >= ENCODE_LIMIT) { while (value >= ENCODE_LIMIT) {
if (buf != NULL) ((uint8_t *)(*buf))[i] = (value | ENCODE_LIMIT); if (buf != NULL) ((uint8_t *)(*buf))[i] = (value | ENCODE_LIMIT);
value >>= 7; value >>= 7;
@ -254,7 +254,7 @@ static FORCE_INLINE int taosEncodeVariantU32(void **buf, uint32_t value) {
} }
static FORCE_INLINE void *taosDecodeVariantU32(const void *buf, uint32_t *value) { static FORCE_INLINE void *taosDecodeVariantU32(const void *buf, uint32_t *value) {
int i = 0; int32_t i = 0;
uint32_t tval = 0; uint32_t tval = 0;
*value = 0; *value = 0;
while (i < 5) { while (i < 5) {
@ -272,7 +272,7 @@ static FORCE_INLINE void *taosDecodeVariantU32(const void *buf, uint32_t *value)
} }
// ---- Variant I32 // ---- Variant I32
static FORCE_INLINE int taosEncodeVariantI32(void **buf, int32_t value) { static FORCE_INLINE int32_t taosEncodeVariantI32(void **buf, int32_t value) {
return taosEncodeVariantU32(buf, ZIGZAGE(int32_t, value)); return taosEncodeVariantU32(buf, ZIGZAGE(int32_t, value));
} }
@ -284,8 +284,8 @@ static FORCE_INLINE void *taosDecodeVariantI32(const void *buf, int32_t *value)
} }
// ---- Variant U64 // ---- Variant U64
static FORCE_INLINE int taosEncodeVariantU64(void **buf, uint64_t value) { static FORCE_INLINE int32_t taosEncodeVariantU64(void **buf, uint64_t value) {
int i = 0; int32_t i = 0;
while (value >= ENCODE_LIMIT) { while (value >= ENCODE_LIMIT) {
if (buf != NULL) ((uint8_t *)(*buf))[i] = (uint8_t)(value | ENCODE_LIMIT); if (buf != NULL) ((uint8_t *)(*buf))[i] = (uint8_t)(value | ENCODE_LIMIT);
value >>= 7; value >>= 7;
@ -302,7 +302,7 @@ static FORCE_INLINE int taosEncodeVariantU64(void **buf, uint64_t value) {
} }
static FORCE_INLINE void *taosDecodeVariantU64(const void *buf, uint64_t *value) { static FORCE_INLINE void *taosDecodeVariantU64(const void *buf, uint64_t *value) {
int i = 0; int32_t i = 0;
uint64_t tval = 0; uint64_t tval = 0;
*value = 0; *value = 0;
while (i < 10) { while (i < 10) {
@ -320,7 +320,7 @@ static FORCE_INLINE void *taosDecodeVariantU64(const void *buf, uint64_t *value)
} }
// ---- Variant I64 // ---- Variant I64
static FORCE_INLINE int taosEncodeVariantI64(void **buf, int64_t value) { static FORCE_INLINE int32_t taosEncodeVariantI64(void **buf, int64_t value) {
return taosEncodeVariantU64(buf, ZIGZAGE(int64_t, value)); return taosEncodeVariantU64(buf, ZIGZAGE(int64_t, value));
} }
@ -332,8 +332,8 @@ static FORCE_INLINE void *taosDecodeVariantI64(const void *buf, int64_t *value)
} }
// ---- string // ---- string
static FORCE_INLINE int taosEncodeString(void **buf, const char *value) { static FORCE_INLINE int32_t taosEncodeString(void **buf, const char *value) {
int tlen = 0; int32_t tlen = 0;
size_t size = strlen(value); size_t size = strlen(value);
tlen += taosEncodeVariantU64(buf, size); tlen += taosEncodeVariantU64(buf, size);
@ -341,7 +341,7 @@ static FORCE_INLINE int taosEncodeString(void **buf, const char *value) {
memcpy(*buf, value, size); memcpy(*buf, value, size);
*buf = POINTER_SHIFT(*buf, size); *buf = POINTER_SHIFT(*buf, size);
} }
tlen += (int)size; tlen += (int32_t)size;
return tlen; return tlen;
} }
@ -372,14 +372,14 @@ static FORCE_INLINE void *taosDecodeStringTo(const void *buf, char *value) {
} }
// ---- binary // ---- binary
static FORCE_INLINE int taosEncodeBinary(void **buf, const void *value, int32_t valueLen) { static FORCE_INLINE int32_t taosEncodeBinary(void **buf, const void *value, int32_t valueLen) {
int tlen = 0; int32_t tlen = 0;
if (buf != NULL) { if (buf != NULL) {
memcpy(*buf, value, valueLen); memcpy(*buf, value, valueLen);
*buf = POINTER_SHIFT(*buf, valueLen); *buf = POINTER_SHIFT(*buf, valueLen);
} }
tlen += (int)valueLen; tlen += (int32_t)valueLen;
return tlen; return tlen;
} }