NazaraEngine/include/Nazara/Core/File.hpp

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2.6 KiB
C++

// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_CORE_FILE_HPP
#define NAZARA_CORE_FILE_HPP
#include <NazaraUtils/Prerequisites.hpp>
#include <Nazara/Core/ByteArray.hpp>
#include <Nazara/Core/Stream.hpp>
#include <NazaraUtils/Endianness.hpp>
#include <NazaraUtils/Result.hpp>
#include <ctime>
#include <filesystem>
#include <fstream>
#include <optional>
namespace Nz
{
namespace PlatformImpl
{
class FileImpl;
}
class NAZARA_CORE_API File : public Stream
{
public:
File();
File(const std::filesystem::path& filePath);
File(const std::filesystem::path& filePath, OpenModeFlags openMode);
File(const File&) = delete;
File(File&& file) noexcept;
~File();
void Copy(const std::filesystem::path& newFilePath);
void Close();
bool Delete();
bool Exists() const;
std::filesystem::path GetDirectory() const override;
std::filesystem::path GetFileName() const;
std::filesystem::path GetPath() const override;
UInt64 GetSize() const override;
bool IsOpen() const;
bool Open(OpenModeFlags openMode = OpenMode::NotOpen);
bool Open(const std::filesystem::path& filePath, OpenModeFlags openMode = OpenMode::NotOpen);
bool SetFile(const std::filesystem::path& filePath);
bool SetSize(UInt64 size);
File& operator=(const File&) = delete;
File& operator=(File&& file) noexcept;
static inline ByteArray ComputeHash(HashType hash, const std::filesystem::path& filePath);
static inline ByteArray ComputeHash(AbstractHash& hash, const std::filesystem::path& filePath);
static /*constexpr*/ Result<OpenModeFlags, std::string> DecodeOpenMode(std::string_view openModeStr);
static std::optional<std::vector<UInt8>> ReadWhole(const std::filesystem::path& path);
static bool WriteWhole(const std::filesystem::path& path, const void* data, std::size_t size);
private:
inline bool CheckFileOpening();
void FlushStream() override;
std::size_t ReadBlock(void* buffer, std::size_t size) override;
bool SeekStreamCursor(UInt64 offset) override;
UInt64 TellStreamCursor() const override;
bool TestStreamEnd() const override;
std::size_t WriteBlock(const void* buffer, std::size_t size) override;
std::filesystem::path m_filePath;
std::unique_ptr<PlatformImpl::FileImpl> m_impl;
};
NAZARA_CORE_API bool HashAppend(AbstractHash& hash, const File& originalFile);
}
#include <Nazara/Core/File.inl>
#endif // NAZARA_CORE_FILE_HPP