diff options
Diffstat (limited to 'src/core/file_sys')
| -rw-r--r-- | src/core/file_sys/archive_savedata.cpp | 33 | ||||
| -rw-r--r-- | src/core/file_sys/archive_savedata.h | 32 | ||||
| -rw-r--r-- | src/core/file_sys/archive_sdmc.cpp | 83 | ||||
| -rw-r--r-- | src/core/file_sys/archive_sdmc.h | 66 | ||||
| -rw-r--r-- | src/core/file_sys/directory_sdmc.cpp | 88 | ||||
| -rw-r--r-- | src/core/file_sys/directory_sdmc.h | 55 | ||||
| -rw-r--r-- | src/core/file_sys/disk_archive.cpp | 167 | ||||
| -rw-r--r-- | src/core/file_sys/disk_archive.h | 101 | ||||
| -rw-r--r-- | src/core/file_sys/file_backend.h | 5 | ||||
| -rw-r--r-- | src/core/file_sys/file_romfs.h | 2 | ||||
| -rw-r--r-- | src/core/file_sys/file_sdmc.cpp | 110 | ||||
| -rw-r--r-- | src/core/file_sys/file_sdmc.h | 75 |
12 files changed, 344 insertions, 473 deletions
diff --git a/src/core/file_sys/archive_savedata.cpp b/src/core/file_sys/archive_savedata.cpp new file mode 100644 index 000000000..2414564e4 --- /dev/null +++ b/src/core/file_sys/archive_savedata.cpp @@ -0,0 +1,33 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2+ +// Refer to the license.txt file included. + +#include <sys/stat.h> + +#include "common/common_types.h" +#include "common/file_util.h" + +#include "core/file_sys/archive_savedata.h" +#include "core/file_sys/disk_archive.h" +#include "core/settings.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// FileSys namespace + +namespace FileSys { + +Archive_SaveData::Archive_SaveData(const std::string& mount_point, u64 program_id) + : DiskArchive(mount_point + Common::StringFromFormat("%016X", program_id) + DIR_SEP) { + LOG_INFO(Service_FS, "Directory %s set as SaveData.", this->mount_point.c_str()); +} + +bool Archive_SaveData::Initialize() { + if (!FileUtil::CreateFullPath(mount_point)) { + LOG_ERROR(Service_FS, "Unable to create SaveData path."); + return false; + } + + return true; +} + +} // namespace FileSys diff --git a/src/core/file_sys/archive_savedata.h b/src/core/file_sys/archive_savedata.h new file mode 100644 index 000000000..b3e561130 --- /dev/null +++ b/src/core/file_sys/archive_savedata.h @@ -0,0 +1,32 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2+ +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" + +#include "core/file_sys/disk_archive.h" +#include "core/loader/loader.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// FileSys namespace + +namespace FileSys { + +/// File system interface to the SaveData archive +class Archive_SaveData final : public DiskArchive { +public: + Archive_SaveData(const std::string& mount_point, u64 program_id); + + /** + * Initialize the archive. + * @return CreateSaveDataResult AlreadyExists if the SaveData folder already exists, + * Success if it was created properly and Failure if there was any error + */ + bool Initialize(); + + std::string GetName() const override { return "SaveData"; } +}; + +} // namespace FileSys diff --git a/src/core/file_sys/archive_sdmc.cpp b/src/core/file_sys/archive_sdmc.cpp index 9d58668e0..dccdf7f67 100644 --- a/src/core/file_sys/archive_sdmc.cpp +++ b/src/core/file_sys/archive_sdmc.cpp @@ -8,8 +8,7 @@ #include "common/file_util.h" #include "core/file_sys/archive_sdmc.h" -#include "core/file_sys/directory_sdmc.h" -#include "core/file_sys/file_sdmc.h" +#include "core/file_sys/disk_archive.h" #include "core/settings.h" //////////////////////////////////////////////////////////////////////////////////////////////////// @@ -17,18 +16,10 @@ namespace FileSys { -Archive_SDMC::Archive_SDMC(const std::string& mount_point) { - this->mount_point = mount_point; +Archive_SDMC::Archive_SDMC(const std::string& mount_point) : DiskArchive(mount_point) { LOG_INFO(Service_FS, "Directory %s set as SDMC.", mount_point.c_str()); } -Archive_SDMC::~Archive_SDMC() { -} - -/** - * Initialize the archive. - * @return true if it initialized successfully - */ bool Archive_SDMC::Initialize() { if (!Settings::values.use_virtual_sd) { LOG_WARNING(Service_FS, "SDMC disabled by config."); @@ -43,74 +34,4 @@ bool Archive_SDMC::Initialize() { return true; } -/** - * Open a file specified by its path, using the specified mode - * @param path Path relative to the archive - * @param mode Mode to open the file with - * @return Opened file, or nullptr - */ -std::unique_ptr<FileBackend> Archive_SDMC::OpenFile(const Path& path, const Mode mode) const { - LOG_DEBUG(Service_FS, "called path=%s mode=%u", path.DebugStr().c_str(), mode.hex); - File_SDMC* file = new File_SDMC(this, path, mode); - if (!file->Open()) - return nullptr; - return std::unique_ptr<FileBackend>(file); -} - -/** - * Delete a file specified by its path - * @param path Path relative to the archive - * @return Whether the file could be deleted - */ -bool Archive_SDMC::DeleteFile(const FileSys::Path& path) const { - return FileUtil::Delete(GetMountPoint() + path.AsString()); -} - -bool Archive_SDMC::RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const { - return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString()); -} - -/** - * Delete a directory specified by its path - * @param path Path relative to the archive - * @return Whether the directory could be deleted - */ -bool Archive_SDMC::DeleteDirectory(const FileSys::Path& path) const { - return FileUtil::DeleteDir(GetMountPoint() + path.AsString()); -} - -/** - * Create a directory specified by its path - * @param path Path relative to the archive - * @return Whether the directory could be created - */ -bool Archive_SDMC::CreateDirectory(const Path& path) const { - return FileUtil::CreateDir(GetMountPoint() + path.AsString()); -} - -bool Archive_SDMC::RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const { - return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString()); -} - -/** - * Open a directory specified by its path - * @param path Path relative to the archive - * @return Opened directory, or nullptr - */ -std::unique_ptr<DirectoryBackend> Archive_SDMC::OpenDirectory(const Path& path) const { - LOG_DEBUG(Service_FS, "called path=%s", path.DebugStr().c_str()); - Directory_SDMC* directory = new Directory_SDMC(this, path); - if (!directory->Open()) - return nullptr; - return std::unique_ptr<DirectoryBackend>(directory); -} - -/** - * Getter for the path used for this Archive - * @return Mount point of that passthrough archive - */ -std::string Archive_SDMC::GetMountPoint() const { - return mount_point; -} - } // namespace FileSys diff --git a/src/core/file_sys/archive_sdmc.h b/src/core/file_sys/archive_sdmc.h index 059045245..c84c6948e 100644 --- a/src/core/file_sys/archive_sdmc.h +++ b/src/core/file_sys/archive_sdmc.h @@ -6,7 +6,7 @@ #include "common/common_types.h" -#include "core/file_sys/archive_backend.h" +#include "core/file_sys/disk_archive.h" #include "core/loader/loader.h" //////////////////////////////////////////////////////////////////////////////////////////////////// @@ -15,10 +15,9 @@ namespace FileSys { /// File system interface to the SDMC archive -class Archive_SDMC final : public ArchiveBackend { +class Archive_SDMC final : public DiskArchive { public: Archive_SDMC(const std::string& mount_point); - ~Archive_SDMC() override; /** * Initialize the archive. @@ -27,67 +26,6 @@ public: bool Initialize(); std::string GetName() const override { return "SDMC"; } - - /** - * Open a file specified by its path, using the specified mode - * @param path Path relative to the archive - * @param mode Mode to open the file with - * @return Opened file, or nullptr - */ - std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const override; - - /** - * Delete a file specified by its path - * @param path Path relative to the archive - * @return Whether the file could be deleted - */ - bool DeleteFile(const FileSys::Path& path) const override; - - /** - * Rename a File specified by its path - * @param src_path Source path relative to the archive - * @param dest_path Destination path relative to the archive - * @return Whether rename succeeded - */ - bool RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override; - - /** - * Delete a directory specified by its path - * @param path Path relative to the archive - * @return Whether the directory could be deleted - */ - bool DeleteDirectory(const FileSys::Path& path) const override; - - /** - * Create a directory specified by its path - * @param path Path relative to the archive - * @return Whether the directory could be created - */ - bool CreateDirectory(const Path& path) const override; - - /** - * Rename a Directory specified by its path - * @param src_path Source path relative to the archive - * @param dest_path Destination path relative to the archive - * @return Whether rename succeeded - */ - bool RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override; - - /** - * Open a directory specified by its path - * @param path Path relative to the archive - * @return Opened directory, or nullptr - */ - std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override; - - /** - * Getter for the path used for this Archive - * @return Mount point of that passthrough archive - */ - std::string GetMountPoint() const; - -private: - std::string mount_point; }; } // namespace FileSys diff --git a/src/core/file_sys/directory_sdmc.cpp b/src/core/file_sys/directory_sdmc.cpp deleted file mode 100644 index 519787641..000000000 --- a/src/core/file_sys/directory_sdmc.cpp +++ /dev/null @@ -1,88 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 -// Refer to the license.txt file included. - -#include <sys/stat.h> - -#include "common/common_types.h" -#include "common/file_util.h" - -#include "core/file_sys/directory_sdmc.h" -#include "core/file_sys/archive_sdmc.h" - -//////////////////////////////////////////////////////////////////////////////////////////////////// -// FileSys namespace - -namespace FileSys { - -Directory_SDMC::Directory_SDMC(const Archive_SDMC* archive, const Path& path) { - // TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass - // the root directory we set while opening the archive. - // For example, opening /../../usr/bin can give the emulated program your installed programs. - this->path = archive->GetMountPoint() + path.AsString(); - -} - -Directory_SDMC::~Directory_SDMC() { - Close(); -} - -bool Directory_SDMC::Open() { - if (!FileUtil::IsDirectory(path)) - return false; - FileUtil::ScanDirectoryTree(path, directory); - children_iterator = directory.children.begin(); - return true; -} - -/** - * List files contained in the directory - * @param count Number of entries to return at once in entries - * @param entries Buffer to read data into - * @return Number of entries listed - */ -u32 Directory_SDMC::Read(const u32 count, Entry* entries) { - u32 entries_read = 0; - - while (entries_read < count && children_iterator != directory.children.cend()) { - const FileUtil::FSTEntry& file = *children_iterator; - const std::string& filename = file.virtualName; - Entry& entry = entries[entries_read]; - - LOG_TRACE(Service_FS, "File %s: size=%llu dir=%d", filename.c_str(), file.size, file.isDirectory); - - // TODO(Link Mauve): use a proper conversion to UTF-16. - for (size_t j = 0; j < FILENAME_LENGTH; ++j) { - entry.filename[j] = filename[j]; - if (!filename[j]) - break; - } - - FileUtil::SplitFilename83(filename, entry.short_name, entry.extension); - - entry.is_directory = file.isDirectory; - entry.is_hidden = (filename[0] == '.'); - entry.is_read_only = 0; - entry.file_size = file.size; - - // We emulate a SD card where the archive bit has never been cleared, as it would be on - // most user SD cards. - // Some homebrews (blargSNES for instance) are known to mistakenly use the archive bit as a - // file bit. - entry.is_archive = !file.isDirectory; - - ++entries_read; - ++children_iterator; - } - return entries_read; -} - -/** - * Close the directory - * @return true if the directory closed correctly - */ -bool Directory_SDMC::Close() const { - return true; -} - -} // namespace FileSys diff --git a/src/core/file_sys/directory_sdmc.h b/src/core/file_sys/directory_sdmc.h deleted file mode 100644 index 407a256ef..000000000 --- a/src/core/file_sys/directory_sdmc.h +++ /dev/null @@ -1,55 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 -// Refer to the license.txt file included. - -#pragma once - -#include "common/common_types.h" -#include "common/file_util.h" - -#include "core/file_sys/directory_backend.h" -#include "core/file_sys/archive_sdmc.h" -#include "core/loader/loader.h" - -//////////////////////////////////////////////////////////////////////////////////////////////////// -// FileSys namespace - -namespace FileSys { - -class Directory_SDMC final : public DirectoryBackend { -public: - Directory_SDMC(); - Directory_SDMC(const Archive_SDMC* archive, const Path& path); - ~Directory_SDMC() override; - - /** - * Open the directory - * @return true if the directory opened correctly - */ - bool Open() override; - - /** - * List files contained in the directory - * @param count Number of entries to return at once in entries - * @param entries Buffer to read data into - * @return Number of entries listed - */ - u32 Read(const u32 count, Entry* entries) override; - - /** - * Close the directory - * @return true if the directory closed correctly - */ - bool Close() const override; - -private: - std::string path; - u32 total_entries_in_directory; - FileUtil::FSTEntry directory; - - // We need to remember the last entry we returned, so a subsequent call to Read will continue - // from the next one. This iterator will always point to the next unread entry. - std::vector<FileUtil::FSTEntry>::iterator children_iterator; -}; - -} // namespace FileSys diff --git a/src/core/file_sys/disk_archive.cpp b/src/core/file_sys/disk_archive.cpp new file mode 100644 index 000000000..eabf58057 --- /dev/null +++ b/src/core/file_sys/disk_archive.cpp @@ -0,0 +1,167 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#include <sys/stat.h> + +#include "common/common_types.h" +#include "common/file_util.h" + +#include "core/file_sys/disk_archive.h" +#include "core/settings.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// FileSys namespace + +namespace FileSys { + +std::unique_ptr<FileBackend> DiskArchive::OpenFile(const Path& path, const Mode mode) const { + LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex); + DiskFile* file = new DiskFile(this, path, mode); + if (!file->Open()) + return nullptr; + return std::unique_ptr<FileBackend>(file); +} + +bool DiskArchive::DeleteFile(const FileSys::Path& path) const { + return FileUtil::Delete(GetMountPoint() + path.AsString()); +} + +bool DiskArchive::RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const { + return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString()); +} + +bool DiskArchive::DeleteDirectory(const FileSys::Path& path) const { + return FileUtil::DeleteDir(GetMountPoint() + path.AsString()); +} + +bool DiskArchive::CreateDirectory(const Path& path) const { + return FileUtil::CreateDir(GetMountPoint() + path.AsString()); +} + +bool DiskArchive::RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const { + return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString()); +} + +std::unique_ptr<DirectoryBackend> DiskArchive::OpenDirectory(const Path& path) const { + LOG_DEBUG(Service_FS, "called path=%s", path.DebugStr().c_str()); + DiskDirectory* directory = new DiskDirectory(this, path); + if (!directory->Open()) + return nullptr; + return std::unique_ptr<DirectoryBackend>(directory); +} + +//////////////////////////////////////////////////////////////////////////////////////////////////// + +DiskFile::DiskFile(const DiskArchive* archive, const Path& path, const Mode mode) { + // TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass + // the root directory we set while opening the archive. + // For example, opening /../../etc/passwd can give the emulated program your users list. + this->path = archive->GetMountPoint() + path.AsString(); + this->mode.hex = mode.hex; + this->archive = archive; +} + +bool DiskFile::Open() { + if (!mode.create_flag && !FileUtil::Exists(path)) { + LOG_ERROR(Service_FS, "Non-existing file %s can’t be open without mode create.", path.c_str()); + return false; + } + + std::string mode_string; + if (mode.create_flag) + mode_string = "w+"; + else if (mode.write_flag) + mode_string = "r+"; // Files opened with Write access can be read from + else if (mode.read_flag) + mode_string = "r"; + + // Open the file in binary mode, to avoid problems with CR/LF on Windows systems + mode_string += "b"; + + file = new FileUtil::IOFile(path, mode_string.c_str()); + return true; +} + +size_t DiskFile::Read(const u64 offset, const u32 length, u8* buffer) const { + file->Seek(offset, SEEK_SET); + return file->ReadBytes(buffer, length); +} + +size_t DiskFile::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const { + file->Seek(offset, SEEK_SET); + size_t written = file->WriteBytes(buffer, length); + if (flush) + file->Flush(); + return written; +} + +size_t DiskFile::GetSize() const { + return static_cast<size_t>(file->GetSize()); +} + +bool DiskFile::SetSize(const u64 size) const { + file->Resize(size); + file->Flush(); + return true; +} + +bool DiskFile::Close() const { + return file->Close(); +} + +//////////////////////////////////////////////////////////////////////////////////////////////////// + +DiskDirectory::DiskDirectory(const DiskArchive* archive, const Path& path) { + // TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass + // the root directory we set while opening the archive. + // For example, opening /../../usr/bin can give the emulated program your installed programs. + this->path = archive->GetMountPoint() + path.AsString(); + this->archive = archive; +} + +bool DiskDirectory::Open() { + if (!FileUtil::IsDirectory(path)) + return false; + FileUtil::ScanDirectoryTree(path, directory); + children_iterator = directory.children.begin(); + return true; +} + +u32 DiskDirectory::Read(const u32 count, Entry* entries) { + u32 entries_read = 0; + + while (entries_read < count && children_iterator != directory.children.cend()) { + const FileUtil::FSTEntry& file = *children_iterator; + const std::string& filename = file.virtualName; + Entry& entry = entries[entries_read]; + + LOG_TRACE(Service_FS, "File %s: size=%llu dir=%d", filename.c_str(), file.size, file.isDirectory); + + // TODO(Link Mauve): use a proper conversion to UTF-16. + for (size_t j = 0; j < FILENAME_LENGTH; ++j) { + entry.filename[j] = filename[j]; + if (!filename[j]) + break; + } + + FileUtil::SplitFilename83(filename, entry.short_name, entry.extension); + + entry.is_directory = file.isDirectory; + entry.is_hidden = (filename[0] == '.'); + entry.is_read_only = 0; + entry.file_size = file.size; + + // We emulate a SD card where the archive bit has never been cleared, as it would be on + // most user SD cards. + // Some homebrews (blargSNES for instance) are known to mistakenly use the archive bit as a + // file bit. + entry.is_archive = !file.isDirectory; + + ++entries_read; + ++children_iterator; + } + return entries_read; +} + +} // namespace FileSys diff --git a/src/core/file_sys/disk_archive.h b/src/core/file_sys/disk_archive.h new file mode 100644 index 000000000..778c83953 --- /dev/null +++ b/src/core/file_sys/disk_archive.h @@ -0,0 +1,101 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" + +#include "core/file_sys/archive_backend.h" +#include "core/loader/loader.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// FileSys namespace + +namespace FileSys { + +/** + * Helper which implements a backend accessing the host machine's filesystem. + * This should be subclassed by concrete archive types, which will provide the + * base directory on the host filesystem and override any required functionality. + */ +class DiskArchive : public ArchiveBackend { +public: + DiskArchive(const std::string& mount_point_) : mount_point(mount_point_) {} + + virtual std::string GetName() const = 0; + std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const override; + bool DeleteFile(const FileSys::Path& path) const override; + bool RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override; + bool DeleteDirectory(const FileSys::Path& path) const override; + bool CreateDirectory(const Path& path) const override; + bool RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override; + std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override; + + /** + * Getter for the path used for this Archive + * @return Mount point of that passthrough archive + */ + const std::string& GetMountPoint() const { + return mount_point; + } + +protected: + std::string mount_point; +}; + +class DiskFile : public FileBackend { +public: + DiskFile(); + DiskFile(const DiskArchive* archive, const Path& path, const Mode mode); + + ~DiskFile() override { + Close(); + } + + bool Open() override; + size_t Read(const u64 offset, const u32 length, u8* buffer) const override; + size_t Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const override; + size_t GetSize() const override; + bool SetSize(const u64 size) const override; + bool Close() const override; + + void Flush() const override { + file->Flush(); + } + +protected: + const DiskArchive* archive; + std::string path; + Mode mode; + FileUtil::IOFile* file; +}; + +class DiskDirectory : public DirectoryBackend { +public: + DiskDirectory(); + DiskDirectory(const DiskArchive* archive, const Path& path); + + ~DiskDirectory() override { + Close(); + } + + bool Open() override; + u32 Read(const u32 count, Entry* entries) override; + + bool Close() const override { + return true; + } + +protected: + const DiskArchive* archive; + std::string path; + u32 total_entries_in_directory; + FileUtil::FSTEntry directory; + + // We need to remember the last entry we returned, so a subsequent call to Read will continue + // from the next one. This iterator will always point to the next unread entry. + std::vector<FileUtil::FSTEntry>::iterator children_iterator; +}; + +} // namespace FileSys diff --git a/src/core/file_sys/file_backend.h b/src/core/file_sys/file_backend.h index 1b81d5fe9..539ec7314 100644 --- a/src/core/file_sys/file_backend.h +++ b/src/core/file_sys/file_backend.h @@ -61,6 +61,11 @@ public: * @return true if the file closed correctly */ virtual bool Close() const = 0; + + /** + * Flushes the file + */ + virtual void Flush() const = 0; }; } // namespace FileSys diff --git a/src/core/file_sys/file_romfs.h b/src/core/file_sys/file_romfs.h index 09fa2e7e3..32fa6b6d3 100644 --- a/src/core/file_sys/file_romfs.h +++ b/src/core/file_sys/file_romfs.h @@ -64,6 +64,8 @@ public: */ bool Close() const override; + void Flush() const override { } + private: const Archive_RomFS* archive; }; diff --git a/src/core/file_sys/file_sdmc.cpp b/src/core/file_sys/file_sdmc.cpp deleted file mode 100644 index 46c29900b..000000000 --- a/src/core/file_sys/file_sdmc.cpp +++ /dev/null @@ -1,110 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 -// Refer to the license.txt file included. - -#include <sys/stat.h> - -#include "common/common_types.h" -#include "common/file_util.h" - -#include "core/file_sys/file_sdmc.h" -#include "core/file_sys/archive_sdmc.h" - -//////////////////////////////////////////////////////////////////////////////////////////////////// -// FileSys namespace - -namespace FileSys { - -File_SDMC::File_SDMC(const Archive_SDMC* archive, const Path& path, const Mode mode) { - // TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass - // the root directory we set while opening the archive. - // For example, opening /../../etc/passwd can give the emulated program your users list. - this->path = archive->GetMountPoint() + path.AsString(); - this->mode.hex = mode.hex; -} - -File_SDMC::~File_SDMC() { - Close(); -} - -/** - * Open the file - * @return true if the file opened correctly - */ -bool File_SDMC::Open() { - if (!mode.create_flag && !FileUtil::Exists(path)) { - LOG_ERROR(Service_FS, "Non-existing file %s can’t be open without mode create.", path.c_str()); - return false; - } - - std::string mode_string; - if (mode.create_flag) - mode_string = "w+"; - else if (mode.write_flag) - mode_string = "r+"; // Files opened with Write access can be read from - else if (mode.read_flag) - mode_string = "r"; - - // Open the file in binary mode, to avoid problems with CR/LF on Windows systems - mode_string += "b"; - - file = new FileUtil::IOFile(path, mode_string.c_str()); - return true; -} - -/** - * Read data from the file - * @param offset Offset in bytes to start reading data from - * @param length Length in bytes of data to read from file - * @param buffer Buffer to read data into - * @return Number of bytes read - */ -size_t File_SDMC::Read(const u64 offset, const u32 length, u8* buffer) const { - file->Seek(offset, SEEK_SET); - return file->ReadBytes(buffer, length); -} - -/** - * Write data to the file - * @param offset Offset in bytes to start writing data to - * @param length Length in bytes of data to write to file - * @param flush The flush parameters (0 == do not flush) - * @param buffer Buffer to read data from - * @return Number of bytes written - */ -size_t File_SDMC::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const { - file->Seek(offset, SEEK_SET); - size_t written = file->WriteBytes(buffer, length); - if (flush) - file->Flush(); - return written; -} - -/** - * Get the size of the file in bytes - * @return Size of the file in bytes - */ -size_t File_SDMC::GetSize() const { - return static_cast<size_t>(file->GetSize()); -} - -/** - * Set the size of the file in bytes - * @param size New size of the file - * @return true if successful - */ -bool File_SDMC::SetSize(const u64 size) const { - file->Resize(size); - file->Flush(); - return true; -} - -/** - * Close the file - * @return true if the file closed correctly - */ -bool File_SDMC::Close() const { - return file->Close(); -} - -} // namespace FileSys diff --git a/src/core/file_sys/file_sdmc.h b/src/core/file_sys/file_sdmc.h deleted file mode 100644 index e01548598..000000000 --- a/src/core/file_sys/file_sdmc.h +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 -// Refer to the license.txt file included. - -#pragma once - -#include "common/common_types.h" -#include "common/file_util.h" - -#include "core/file_sys/file_backend.h" -#include "core/file_sys/archive_sdmc.h" -#include "core/loader/loader.h" - -//////////////////////////////////////////////////////////////////////////////////////////////////// -// FileSys namespace - -namespace FileSys { - -class File_SDMC final : public FileBackend { -public: - File_SDMC(); - File_SDMC(const Archive_SDMC* archive, const Path& path, const Mode mode); - ~File_SDMC() override; - - /** - * Open the file - * @return true if the file opened correctly - */ - bool Open() override; - - /** - * Read data from the file - * @param offset Offset in bytes to start reading data from - * @param length Length in bytes of data to read from file - * @param buffer Buffer to read data into - * @return Number of bytes read - */ - size_t Read(const u64 offset, const u32 length, u8* buffer) const override; - - /** - * Write data to the file - * @param offset Offset in bytes to start writing data to - * @param length Length in bytes of data to write to file - * @param flush The flush parameters (0 == do not flush) - * @param buffer Buffer to read data from - * @return Number of bytes written - */ - size_t Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const override; - - /** - * Get the size of the file in bytes - * @return Size of the file in bytes - */ - size_t GetSize() const override; - - /** - * Set the size of the file in bytes - * @param size New size of the file - * @return true if successful - */ - bool SetSize(const u64 size) const override; - - /** - * Close the file - * @return true if the file closed correctly - */ - bool Close() const override; - -private: - std::string path; - Mode mode; - FileUtil::IOFile* file; -}; - -} // namespace FileSys |