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#pragma once
#include "FileStream.hpp"
#include <Cplt/fwd.hpp>
#include <bit>
#include <cstddef>
#include <cstdint>
#include <span>
class BaseDataStream {
private:
std::endian mEndian = std::endian::big;
public:
std::endian GetEndianness() const;
void SetEndianness(std::endian endianness);
};
class InputDataStream : public BaseDataStream {
private:
InputFileStream mBackend;
public:
static constexpr bool IsSerializer() {
return false;
}
InputDataStream(InputFileStream stream);
void ReadBytes(size_t byteCount, std::byte* buffer);
void ReadBytes(size_t byteCount, char* buffer);
void ReadBytes(size_t byteCount, signed char* buffer);
void ReadBytes(size_t byteCount, unsigned char* buffer);
template <class TInserter>
void ReadBytes(size_t byteCount, TInserter&& inserter) {
for (size_t i = 0; i < byteCount; ++i) {
uint8_t byte;
Read(byte);
inserter = byte;
}
}
void Read(int8_t& n);
void Read(int16_t& n);
void Read(int32_t& n);
void Read(int64_t& n);
void Read(uint8_t& n);
void Read(uint16_t& n);
void Read(uint32_t& n);
void Read(uint64_t& n);
void Read(float& n);
void Read(double& n);
template <class TEnum>
requires std::is_enum_v<TEnum>
void ReadEnum(TEnum& e) {
std::underlying_type_t<TEnum> n;
Read(n);
e = static_cast<TEnum>(e);
}
template <class TObject>
void ReadObject(TObject& obj) {
obj.ReadFromDataStream(*this);
}
template <class TAdapter, class TObject>
void ReadObjectAdapted(TObject& obj) {
TAdapter::ReadFromDataStream(*this, obj);
}
public:
// Proxy functions for writing templated IO functions
template <class T>
void Bytes(size_t byteCount, T* buffer) {
ReadBytes(byteCount, buffer);
}
template <class T>
void Value(T& t) {
Read(t);
}
template <class T>
void Enum(T& t) {
ReadEnum(t);
}
template <class T>
void Object(T& obj) {
ReadObject(obj);
}
template <class TAdapter, class TObject>
void ObjectAdapted(TObject& obj) {
ReadObjectAdapted<TAdapter>(obj);
}
};
class OutputDataStream : public BaseDataStream {
private:
OutputFileStream mBackend;
public:
static constexpr bool IsSerializer() {
return true;
}
OutputDataStream(OutputFileStream stream);
void WriteBytes(size_t byteCount, const std::byte* buffer);
void WriteBytes(size_t byteCount, const char* buffer);
void WriteBytes(size_t byteCount, const signed char* buffer);
void WriteBytes(size_t byteCount, const unsigned char* buffer);
template <class TIterator>
void WriteBytes(TIterator&& begin, TIterator&& end) {
for (; begin != end; ++begin) {
uint8_t byte = *begin;
Write(byte);
}
}
void Write(int8_t n);
void Write(int16_t n);
void Write(int32_t n);
void Write(int64_t n);
void Write(uint8_t n);
void Write(uint16_t n);
void Write(uint32_t n);
void Write(uint64_t n);
void Write(float n);
void Write(double n);
template <class TEnum>
requires std::is_enum_v<TEnum>
void WriteEnum(TEnum e) {
auto n = static_cast<std::underlying_type_t<TEnum>>(e);
Write(n);
}
template <class TObject>
void WriteObject(const TObject& obj) {
obj.WriteToDataStream(*this);
}
template <class TAdapter, class TObject>
void WriteObjectAdapted(const TObject& obj) {
TAdapter::WriteToDataStream(*this, obj);
}
public:
// Proxy functions for writing templated IO functions
template <class T>
void Bytes(size_t byteCount, T* buffer) {
WriteBytes(byteCount, buffer);
}
template <class T>
void Value(T t) {
Write(t);
}
template <class T>
void Enum(T t) {
WriteEnum(t);
}
template <class T>
void Object(T& obj) {
WriteObject(obj);
}
template <class TAdapter, class TObject>
void ObjectAdapted(TObject& obj) {
WriteObjectAdapted<TAdapter>(obj);
}
};
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