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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "isharedblob.h"
#include <cstring>
namespace vespalib {
class Stash;
class DataBuffer;
}
namespace vespalib::alloc { class Alloc; }
namespace fnet {
char * copyString(char *dst, const char *src, size_t len);
char * copyData(char *dst, const void *src, size_t len);
struct BlobRef;
}
class FNET_DataBuffer;
template <typename T>
struct FRT_Array {
uint32_t _len;
T *_pt;
};
#define FRT_LPT(type) FRT_Array<type>
enum {
FRT_VALUE_NONE = '\0',
FRT_VALUE_INT8 = 'b',
FRT_VALUE_INT8_ARRAY = 'B',
FRT_VALUE_INT16 = 'h',
FRT_VALUE_INT16_ARRAY = 'H',
FRT_VALUE_INT32 = 'i',
FRT_VALUE_INT32_ARRAY = 'I',
FRT_VALUE_INT64 = 'l',
FRT_VALUE_INT64_ARRAY = 'L',
FRT_VALUE_FLOAT = 'f',
FRT_VALUE_FLOAT_ARRAY = 'F',
FRT_VALUE_DOUBLE = 'd',
FRT_VALUE_DOUBLE_ARRAY = 'D',
FRT_VALUE_STRING = 's',
FRT_VALUE_STRING_ARRAY = 'S',
FRT_VALUE_DATA = 'x',
FRT_VALUE_DATA_ARRAY = 'X'
};
struct FRT_StringValue
{
uint32_t _len;
char *_str;
};
struct FRT_DataValue
{
uint32_t _len;
char *_buf;
};
union FRT_Value
{
uint8_t _intval8;
FRT_LPT(uint8_t) _int8_array;
uint16_t _intval16;
FRT_LPT(uint16_t) _int16_array;
uint32_t _intval32;
FRT_LPT(uint32_t) _int32_array;
uint64_t _intval64;
FRT_LPT(uint64_t) _int64_array;
float _float;
FRT_LPT(float) _float_array;
double _double;
FRT_LPT(double) _double_array;
FRT_StringValue _string;
FRT_LPT(FRT_StringValue) _string_array;
FRT_DataValue _data;
FRT_LPT(FRT_DataValue) _data_array;
};
class FRT_Values
{
public:
using Stash = vespalib::Stash;
using Alloc = vespalib::alloc::Alloc;
private:
uint32_t _maxValues;
uint32_t _numValues;
char *_typeString;
FRT_Value *_values;
fnet::BlobRef *_blobs;
Stash &_stash;
public:
FRT_Values(const FRT_Values &) = delete;
FRT_Values &operator=(const FRT_Values &) = delete;
FRT_Values(Stash &stash);
~FRT_Values();
void DiscardBlobs();
void Reset() {
DiscardBlobs();
_maxValues = 0;
_numValues = 0;
_typeString = nullptr;
_values = nullptr;
}
void EnsureFree(uint32_t need = 1);
void AddInt8(uint8_t value) {
EnsureFree();
_values[_numValues]._intval8 = value;
_typeString[_numValues++] = FRT_VALUE_INT8;
}
uint8_t *AddInt8Array(uint32_t len);
void AddInt8Array(const uint8_t *array, uint32_t len);
void AddInt8ArrayRef(uint8_t *array, uint32_t len) {
EnsureFree();
_values[_numValues]._int8_array._pt = array;
_values[_numValues]._int8_array._len = len;
_typeString[_numValues++] = FRT_VALUE_INT8_ARRAY;
}
void AddInt16(uint16_t value) {
EnsureFree();
_values[_numValues]._intval16 = value;
_typeString[_numValues++] = FRT_VALUE_INT16;
}
uint16_t *AddInt16Array(uint32_t len);
void AddInt16Array(const uint16_t *array, uint32_t len);
void AddInt16ArrayRef(uint16_t *array, uint32_t len) {
EnsureFree();
_values[_numValues]._int16_array._pt = array;
_values[_numValues]._int16_array._len = len;
_typeString[_numValues++] = FRT_VALUE_INT16_ARRAY;
}
void AddInt32(uint32_t value) {
EnsureFree();
_values[_numValues]._intval32 = value;
_typeString[_numValues++] = FRT_VALUE_INT32;
}
uint32_t *AddInt32Array(uint32_t len);
void AddInt32Array(const uint32_t *array, uint32_t len);
void AddInt32ArrayRef(uint32_t *array, uint32_t len) {
EnsureFree();
_values[_numValues]._int32_array._pt = array;
_values[_numValues]._int32_array._len = len;
_typeString[_numValues++] = FRT_VALUE_INT32_ARRAY;
}
void AddInt64(uint64_t value) {
EnsureFree();
_values[_numValues]._intval64 = value;
_typeString[_numValues++] = FRT_VALUE_INT64;
}
uint64_t *AddInt64Array(uint32_t len);
void AddInt64Array(const uint64_t *array, uint32_t len);
void AddInt64ArrayRef(uint64_t *array, uint32_t len) {
EnsureFree();
_values[_numValues]._int64_array._pt = array;
_values[_numValues]._int64_array._len = len;
_typeString[_numValues++] = FRT_VALUE_INT64_ARRAY;
}
void AddFloat(float value) {
EnsureFree();
_values[_numValues]._float = value;
_typeString[_numValues++] = FRT_VALUE_FLOAT;
}
float *AddFloatArray(uint32_t len);
void AddFloatArray(const float *array, uint32_t len);
void AddFloatArrayRef(float *array, uint32_t len) {
EnsureFree();
_values[_numValues]._float_array._pt = array;
_values[_numValues]._float_array._len = len;
_typeString[_numValues++] = FRT_VALUE_FLOAT_ARRAY;
}
void AddDouble(double value) {
EnsureFree();
_values[_numValues]._double = value;
_typeString[_numValues++] = FRT_VALUE_DOUBLE;
}
double *AddDoubleArray(uint32_t len);
void AddDoubleArray(const double *array, uint32_t len);
void AddDoubleArrayRef(double *array, uint32_t len) {
EnsureFree();
_values[_numValues]._double_array._pt = array;
_values[_numValues]._double_array._len = len;
_typeString[_numValues++] = FRT_VALUE_DOUBLE_ARRAY;
}
void AddString(const char *str, uint32_t len);
void AddString(const char *str) {
AddString(str, strlen(str));
}
char *AddString(uint32_t len);
FRT_StringValue *AddStringArray(uint32_t len);
void AddSharedData(FRT_ISharedBlob *blob);
void AddData(Alloc && buf, uint32_t len);
void AddData(vespalib::DataBuffer && buf);
void AddData(const char *buf, uint32_t len);
char *AddData(uint32_t len);
FRT_DataValue *AddDataArray(uint32_t len);
void SetString(FRT_StringValue *value, const char *str, uint32_t len);
void SetString(FRT_StringValue *value, const char *str);
void SetData(FRT_DataValue *value, const char *buf, uint32_t len);
uint32_t GetNumValues() { return _numValues; }
const char *GetTypeString() { return _typeString; }
FRT_Value &GetValue(uint32_t idx) { return _values[idx]; }
FRT_Value &operator [](uint32_t idx) { return _values[idx]; }
const FRT_Value &operator [](uint32_t idx) const { return _values[idx]; }
uint32_t GetType(uint32_t idx) { return _typeString[idx]; }
void Print(uint32_t indent = 0);
uint32_t GetLength();
bool DecodeCopy(FNET_DataBuffer *dst, uint32_t len);
bool DecodeBig(FNET_DataBuffer *dst, uint32_t len);
bool DecodeLittle(FNET_DataBuffer *dst, uint32_t len);
void EncodeCopy(FNET_DataBuffer *dst);
void EncodeBig(FNET_DataBuffer *dst);
bool Equals(FRT_Values *values);
static void Print(FRT_Value value, uint32_t type, uint32_t indent = 0);
static bool Equals(FRT_Value a, FRT_Value b, uint32_t type);
static bool Equals(FRT_Value a, uint32_t a_type, FRT_Value b, uint32_t b_type);
static bool CheckTypes(const char *spec, const char *actual);
};
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