Files
aurora/lib/card/CardRawFile.hpp
Pieter-Jan Briers d61a1824ac Fix handling of Unicode paths on Windows (#166)
* Fix handling of Unicode paths on Windows

I love C++

* Reduce the amount of reinterpret_casts

* Okay? Don't commit the file CLion? Why not?

* Fix texture replacements too
2026-05-10 10:54:59 -06:00

439 lines
11 KiB
C++

#pragma once
#include <array>
#include <cstdint>
#include <string>
#include "FileIO.hpp"
#include "BlockAllocationTable.hpp"
#include "Directory.hpp"
#include "File.hpp"
#include "Util.hpp"
#include "CommonData.h"
#include "ICard.hpp"
namespace aurora::card {
class CardRawFile : public ICard {
#pragma pack(push, 4)
struct CardHeader {
union {
struct {
std::array<uint8_t, 12> m_serial;
uint64_t m_formatTime;
int32_t m_sramBias;
uint32_t m_sramLanguage;
uint32_t m_unknown;
uint16_t m_deviceId; /* 0 for Slot A, 1 for Slot B */
uint16_t m_sizeMb;
uint16_t m_encoding;
std::array<uint8_t, 468> padding;
uint16_t m_updateCounter;
uint16_t m_checksum;
uint16_t m_checksumInv;
};
std::array<uint8_t, BlockSize> raw;
};
void _swapEndian();
};
#pragma pack(pop)
CardHeader m_ch;
CardHeader m_tmpCh;
std::filesystem::path m_filename;
FileIO m_fileHandle;
std::array<Directory, 2> m_dirs;
std::array<BlockAllocationTable, 2> m_bats;
std::array<Directory, 2> m_tmpDirs;
std::array<BlockAllocationTable, 2> m_tmpBats;
uint8_t m_currentDir;
uint8_t m_currentBat;
uint16_t m_maxBlock;
char m_game[5] = {'\0'};
char m_maker[3] = {'\0'};
void _updateDirAndBat(const Directory& dir, const BlockAllocationTable& bat);
void _updateChecksum();
File* _fileFromHandle(const FileHandle& fh) const;
void _deleteFile(File& f, BlockAllocationTable& bat);
bool m_dirty = false;
bool m_opened = false;
ECardResult _pumpOpen();
public:
CardRawFile();
CardRawFile(const CardRawFile& other) = delete;
CardRawFile& operator=(const CardRawFile& other) = delete;
CardRawFile(CardRawFile&& other);
CardRawFile& operator=(CardRawFile&& other);
/**
* @brief Card
*
* @param game The game code.
* @param maker The maker code.
*/
void InitCard(const char* game = nullptr, const char* maker = nullptr) override;
~CardRawFile() override;
/**
* @brief openFile
*
* @param[in] filename The name of the file to open.
* @param[out] handleOut Out reference that will contain the opened file handle.
*
* @return A result indicating the error status of the operation.
*/
ECardResult openFile(const char* filename, FileHandle& handleOut) override;
/**
* @brief openFile
*
* @param[in] fileno The file index.
* @param[out] handleOut Out reference that will contain the opened file handle.
*
* @return A result indicating the error status of the operation.
*/
ECardResult openFile(uint32_t fileno, FileHandle& handleOut) override;
/**
* @brief createFile
*
* @param[in] filename The name of the file to create.
* @param[out] handleOut Out reference that will contain the handle of the created file.
*
* @return A result indicating the error status of the operation.
*/
ECardResult createFile(const char* filename, size_t size, FileHandle& handleOut) override;
/**
* @brief closeFile
*
* @param fh FileHandle to close
*
* @return READY
*/
ECardResult closeFile(FileHandle& fh) override;
/**
* @brief firstFile
*
* @return The first file within this card instance. If
* no file is able to be found, then an invalid
* handle will be returned.
*/
FileHandle firstFile();
/**
* @brief nextFile
*
* @param cur The file handle indicating the current file handle.
*
* @return The next file within this card. If no file can be found,
* an invalid handle will be returned.
*/
FileHandle nextFile(const FileHandle& cur);
/**
* @brief getFilename
*
* @param fh A valid file handle to retrieve the name of.
*
* @return Gets the name of the given file.
*/
const char* getFilename(const FileHandle& fh) const;
/**
* @brief deleteFile
*
* @param fh File handle to delete.
*/
void deleteFile(const FileHandle& fh) override;
/**
* @brief deleteFile
*
* @param filename The name of the file to delete.
*/
ECardResult deleteFile(const char* filename) override;
/**
* @brief deleteFile
*
* @param fileno The file number indicating the file to delete.
*/
ECardResult deleteFile(uint32_t fileno) override;
/**
* @brief renameFile
*
* @param oldName The old name of the file.
* @param newName The new name to assign to the file.
*/
ECardResult renameFile(const char* oldName, const char* newName) override;
/**
* @brief write
*
* @param fh A valid file handle to write to.
* @param buf The buffer to write to the file.
* @param size The size of the given buffer.
*/
ECardResult fileWrite(FileHandle& fh, const void* buf, size_t size) override;
/**
* @brief read
*
* @param fh A valid file handle to read from.
* @param dst A buffer to read data into.
* @param size The size of the buffer to read into.
*/
ECardResult fileRead(FileHandle& fh, void* dst, size_t size) override;
/**
* @brief seek
*
* @param fh A valid file handle.
* @param pos The position to seek to.
* @param whence The origin to seek relative to.
*/
void seek(FileHandle& fh, int32_t pos, SeekOrigin whence) override;
/**
* @brief Returns the current offset of the specified file.
*
* @param fh The file to retrieve the offset from.
*
* @return The offset or -1 if an invalid handle is passed.
*/
int32_t tell(const FileHandle& fh) const;
/**
* @brief setPublic
*
* @param fh The file handle to make public.
* @param pub Whether or not this file is public (i.e. readable by any game).
*/
void setPublic(const FileHandle& fh, bool pub);
/**
* @brief isPublic
*
* @param fh The file handle to query.
*
* @return Whether or not this file is public (i.e. readable by any game).
*/
bool isPublic(const FileHandle& fh) const;
/**
* @brief setCanCopy
*
* @param fh The file handle to set as copyable.
* @param copy Whether or not to set the file handle as copyable.
*/
void setCanCopy(const FileHandle& fh, bool copy) const;
/**
* @brief canCopy
*
* @param fh The file handle to query.
*
* @return Whether or not this file handle is copyable by the IPL.
*/
bool canCopy(const FileHandle& fh) const;
/**
* @brief setCanMove
*
* @param fh The file handle to set as moveable.
* @param move Whether or not to set the file handle as movable.
*/
void setCanMove(const FileHandle& fh, bool move);
/**
* @brief canMove
*
* @param fh The file handle to query.
*
* @return whether or not the file can be moved by the IPL.
*/
bool canMove(const FileHandle& fh) const;
/**
* @brief getStatus
*
* @param fh Handle of requested file
* @param statOut Structure to fill with file stat
*
* @return NOFILE or READY
*/
ECardResult getStatus(const FileHandle& fh, CardStat& statOut) const override;
/**
* @brief getStatus
*
* @param fileNo Number of requested file
* @param statOut Structure to fill with file stat
*
* @return NOFILE or READY
*/
ECardResult getStatus(uint32_t fileNo, CardStat& statOut) const override;
/**
* @brief setStatus
*
* @param fh Handle of requested file
* @param stat Structure to access for file stat
*
* @return NOFILE or READY
*/
ECardResult setStatus(const FileHandle& fh, const CardStat& stat) override;
/**
* @brief setStatus
*
* @param fileNo Number of requested file
* @param stat Structure to access for file stat
*
* @return NOFILE or READY
*/
ECardResult setStatus(uint32_t fileNo, const CardStat& stat) override;
#if 0 // TODO: Async-friendly implementations
/**
* @brief Copies a file from the current Card instance to a specified Card instance
* @param fh The file to copy
* @param dest The destination Card instance
* @return True if successful, false otherwise
*/
bool copyFileTo(FileHandle& fh, CardRawFile& dest);
/**
* @brief moveFileTo
* @param fh
* @param dest
* @return
*/
bool moveFileTo(FileHandle& fh, CardRawFile& dest);
#endif
/**
* @brief Sets the current game, if not null any openFile requests will only return files that match this game
*
* @param game The target game id, e.g "GM8E"
*
* @sa openFile
*/
void setCurrentGame(const char* game) override;
/**
* @brief Returns the currently selected game.
*
* @return The selected game, or nullptr
*/
const uint8_t* getCurrentGame() const override;
/**
* @brief Sets the current maker, if not null any openFile requests will only return files that match this maker.
*
* @param maker The target maker id, e.g "01".
*
* @sa openFile
*/
void setCurrentMaker(const char* maker) override;
/**
* @brief Returns the currently selected maker.
*
* @return The selected maker, or nullptr.
*/
const uint8_t* getCurrentMaker() const override;
/**
* @brief Retrieves the format assigned serial.
*
* @param[out] serial Out reference that will contain the serial number.
*/
void getSerial(uint64_t& serial) override;
/**
* @brief Retrieves the checksum values of the Card system header.
*
* @param checksum The checksum of the system header.
* @param inverse The inverse checksum of the system header.
*/
void getChecksum(uint16_t& checksum, uint16_t& inverse) const override;
/**
* @brief Retrieves the available storage and directory space.
*
* @param bytesNotUsed Number of free bytes out.
* @param filesNotUsed Number of free files out.
*/
void getFreeBlocks(int32_t& bytesNotUsed, int32_t& filesNotUsed) const override;
/**
* @brief Retrieves the current file's encoding.
*
* @param encoding File encoding out.
*/
void getEncoding(uint16_t& encoding) const override;
/**
* @brief Formats the memory card and assigns a new serial.
*
* @param deviceId The slot to format.
* @param size The desired size of the file @sa ECardSize.
* @param encoding The desired encoding @sa EEncoding.
*/
void format(ECardSlot deviceId, ECardSize size = ECardSize::Card2043Mb, EEncoding encoding = EEncoding::ASCII) override;
/**
* @brief Returns basic stats about a card image without opening a handle.
*
* @return ProbeResults structure.
*/
ProbeResults probeCardFile(const std::filesystem::path& filename) override;
/**
* @brief Writes any changes to the Card instance immediately to disk. <br />
* <b>Note:</b> <i>Under normal circumstances there is no need to call this function.</i>
*/
void commit() override;
/**
* @brief Opens card image (does nothing if currently open path matches).
*/
bool open(const std::filesystem::path& filepath) override;
/**
* @brief Commits changes to disk and closes host file.
*/
void close() override;
/**
* @brief Access host filename of card.
*
* @return A view to the card's filename.
*/
const std::filesystem::path& cardFilename() const override { return m_filename; }
/**
* @brief Gets card-scope error state.
*
* @return READY, BROKEN, or NOCARD
*/
ECardResult getError() const override;
/**
* @return Whether or not the card is within a ready state.
*/
explicit operator bool() const { return getError() == ECardResult::READY; }
};
} // namespace aurora::card