file_system_factory.h

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#pragma once
 
#include <filesystem>
#include <memory>
#include <optional>
#include <span>
 
#include <rex/filesystem/file_system.h>
#include <rex/filesystem/xdbf.h>
#include <rex/filesystem/xex.h>
#include <rex/kernel/types/xex.h>
#include <rex/module.h>
#include <rex/result.h>
 
namespace rex::filesystem {
 
class IContainerImage;
struct XContentPackageHeader;

REX_DECLARE_INTERFACE(IFileSystemFactory, 2)
  [[nodiscard]] virtual std::unique_ptr<IFileSystem> Create() = 0;

  [[nodiscard]] virtual Result<std::unique_ptr<IXEXImage>> ParseXEX(std::span<const u8> file) = 0;

  [[nodiscard]] virtual Result<std::unique_ptr<IContainerImage>> OpenContainer(
      const std::filesystem::path& path) = 0;

  [[nodiscard]] virtual std::unique_ptr<IXDBFTitleData> OpenXDBF(const u8* data,
                                                                 size_t data_size) = 0;

  [[nodiscard]] virtual Result<PEInfo> ParsePE(std::span<const u8> image) = 0;

  [[nodiscard]] virtual std::optional<XEXOptHeaderEntry> FindXEXOptHeader(
      std::span<const u8> header, kernel::XEXHeaderKey key) = 0;

  [[nodiscard]] virtual Result<XContentPackageHeader> ReadPackageHeader(
      std::span<const u8> bytes) = 0;

  [[nodiscard]] virtual Result<XContentPackageHeader> ReadPackageHeader(
      const std::filesystem::path& path) = 0;
};
 
}  // namespace rex::filesystem