47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
#pragma once
|
|
|
|
#include "foundation/result.h"
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <span>
|
|
#include <vector>
|
|
|
|
namespace pp::foundation {
|
|
|
|
class ByteReader {
|
|
public:
|
|
explicit ByteReader(std::span<const std::byte> bytes) noexcept;
|
|
|
|
[[nodiscard]] std::size_t position() const noexcept;
|
|
[[nodiscard]] std::size_t size() const noexcept;
|
|
[[nodiscard]] std::size_t remaining() const noexcept;
|
|
[[nodiscard]] bool empty() const noexcept;
|
|
|
|
[[nodiscard]] Status seek(std::size_t position) noexcept;
|
|
[[nodiscard]] Result<std::uint8_t> read_u8() noexcept;
|
|
[[nodiscard]] Result<std::uint16_t> read_u16_le() noexcept;
|
|
[[nodiscard]] Result<std::uint32_t> read_u32_le() noexcept;
|
|
[[nodiscard]] Result<std::span<const std::byte>> read_bytes(std::size_t count) noexcept;
|
|
|
|
private:
|
|
std::span<const std::byte> bytes_;
|
|
std::size_t position_ = 0;
|
|
};
|
|
|
|
class ByteWriter {
|
|
public:
|
|
explicit ByteWriter(std::vector<std::byte>& bytes) noexcept;
|
|
|
|
[[nodiscard]] std::size_t size() const noexcept;
|
|
[[nodiscard]] Status write_u8(std::uint8_t value);
|
|
[[nodiscard]] Status write_u16_le(std::uint16_t value);
|
|
[[nodiscard]] Status write_u32_le(std::uint32_t value);
|
|
[[nodiscard]] Status write_bytes(std::span<const std::byte> bytes);
|
|
|
|
private:
|
|
std::vector<std::byte>* bytes_ = nullptr;
|
|
};
|
|
|
|
}
|