Remove unused util

This commit is contained in:
momo5502
2024-09-13 10:02:26 +02:00
parent b68892ceca
commit bdf179b0c2

View File

@@ -1,191 +0,0 @@
#pragma once
#include <string>
#include <vector>
#include <stdexcept>
#include <cstring>
namespace utils
{
class buffer_deserializer
{
public:
template <typename T>
buffer_deserializer(const std::basic_string_view<T>& buffer)
: buffer_(reinterpret_cast<const std::byte*>(buffer.data()), buffer.size() * sizeof(T))
{
static_assert(std::is_trivially_copyable_v<T>, "Type must be trivially copyable");
}
template <typename T>
buffer_deserializer(const std::basic_string<T>& buffer)
: buffer_deserializer(std::basic_string_view<T>(buffer.data(), buffer.size()))
{
}
template <typename T>
buffer_deserializer(const std::vector<T>& buffer)
: buffer_deserializer(std::basic_string_view<T>(buffer.data(), buffer.size()))
{
}
void read(void* data, const size_t length)
{
if (this->offset_ + length > this->buffer_.size())
{
throw std::runtime_error("Out of bounds read from byte buffer");
}
memcpy(data, this->buffer_.data() + this->offset_, length);
this->offset_ += length;
}
std::string read_data(const size_t length)
{
std::string result{};
result.resize(length);
this->read(result.data(), result.size());
return result;
}
template <typename T>
T read()
{
static_assert(std::is_trivially_copyable_v<T>, "Type must be trivially copyable");
T object{};
this->read(&object, sizeof(object));
return object;
}
template <typename T>
std::vector<T> read_vector()
{
static_assert(std::is_trivially_copyable_v<T>, "Type must be trivially copyable");
std::vector<T> result{};
const auto size = this->read<uint32_t>();
const auto totalSize = size * sizeof(T);
if (this->offset_ + totalSize > this->buffer_.size())
{
throw std::runtime_error("Out of bounds read from byte buffer");
}
result.resize(size);
this->read(result.data(), totalSize);
return result;
}
std::string read_string()
{
std::string result{};
const auto size = this->read<uint32_t>();
if (this->offset_ + size > this->buffer_.size())
{
throw std::runtime_error("Out of bounds read from byte buffer");
}
result.resize(size);
this->read(result.data(), size);
return result;
}
size_t get_remaining_size() const
{
return this->buffer_.size() - offset_;
}
std::string get_remaining_data()
{
return this->read_data(this->get_remaining_size());
}
size_t get_offset() const
{
return this->offset_;
}
private:
size_t offset_{0};
std::basic_string_view<std::byte> buffer_{};
};
class buffer_serializer
{
public:
buffer_serializer() = default;
void write(const void* buffer, const size_t length)
{
this->buffer_.append(static_cast<const char*>(buffer), length);
}
void write(const char* text)
{
this->write(text, strlen(text));
}
void write_string(const char* str, const size_t length)
{
this->write<uint32_t>(static_cast<uint32_t>(length));
this->write(str, length);
}
void write_string(const std::string& str)
{
this->write_string(str.data(), str.size());
}
void write_string(const char* str)
{
this->write_string(str, strlen(str));
}
void write(const buffer_serializer& object)
{
const auto& buffer = object.get_buffer();
this->write(buffer.data(), buffer.size());
}
template <typename T>
void write(const T& object)
{
static_assert(std::is_trivially_copyable_v<T>, "Type must be trivially copyable");
this->write(&object, sizeof(object));
}
template <typename T>
void write(const std::vector<T>& vec)
{
static_assert(std::is_trivially_copyable_v<T>, "Type must be trivially copyable");
this->write(vec.data(), vec.size() * sizeof(T));
}
template <typename T>
void write_vector(const std::vector<T>& vec)
{
static_assert(std::is_trivially_copyable_v<T>, "Type must be trivially copyable");
this->write(static_cast<uint32_t>(vec.size()));
this->write(vec);
}
const std::string& get_buffer() const
{
return this->buffer_;
}
std::string move_buffer()
{
return std::move(this->buffer_);
}
private:
std::string buffer_{};
};
}