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Merge pull request #303 from linkmauve/fs-cleanup

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FileSys cleanup
This commit is contained in:
Tony Wasserka 2014-12-29 12:14:59 +01:00
commit 13699f05e7
9 changed files with 99 additions and 171 deletions
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38
src/core/file_sys/archive_backend.h
View file

@ -40,19 +40,13 @@ union Mode {
class Path {
public:
Path():
type(Invalid)
{
Path() : type(Invalid) {
}
Path(const char* path):
type(Char), string(path)
{
Path(const char* path) : type(Char), string(path) {
}
Path(LowPathType type, u32 size, u32 pointer):
type(type)
{
Path(LowPathType type, u32 size, u32 pointer) : type(type) {
switch (type) {
case Binary:
{
@ -60,18 +54,21 @@ public:
binary = std::vector<u8>(data, data + size);
break;
}
case Char:
{
const char* data = reinterpret_cast<const char*>(Memory::GetPointer(pointer));
string = std::string(data, size - 1); // Data is always null-terminated.
break;
}
case Wchar:
{
const char16_t* data = reinterpret_cast<const char16_t*>(Memory::GetPointer(pointer));
u16str = std::u16string(data, size/2 - 1); // Data is always null-terminated.
break;
}
default:
break;
}
@ -104,10 +101,6 @@ public:
return "[Char: " + AsString() + ']';
case Wchar:
return "[Wchar: " + AsString() + ']';
default:
// TODO(yuriks): Add assert
LOG_ERROR(Service_FS, "LowPathType cannot be converted to string!");
return {};
}
}
@ -119,7 +112,8 @@ public:
return Common::UTF16ToUTF8(u16str);
case Empty:
return {};
default:
case Invalid:
case Binary:
// TODO(yuriks): Add assert
LOG_ERROR(Service_FS, "LowPathType cannot be converted to string!");
return {};
@ -134,7 +128,8 @@ public:
return u16str;
case Empty:
return {};
default:
case Invalid:
case Binary:
// TODO(yuriks): Add assert
LOG_ERROR(Service_FS, "LowPathType cannot be converted to u16string!");
return {};
@ -160,7 +155,7 @@ public:
}
case Empty:
return {};
default:
case Invalid:
// TODO(yuriks): Add assert
LOG_ERROR(Service_FS, "LowPathType cannot be converted to binary!");
return {};
@ -176,7 +171,8 @@ private:
class ArchiveBackend : NonCopyable {
public:
virtual ~ArchiveBackend() { }
virtual ~ArchiveBackend() {
}
/**
* Get a descriptive name for the archive (e.g. "RomFS", "SaveData", etc.)
@ -196,7 +192,7 @@ public:
* @param path Path relative to the archive
* @return Whether the file could be deleted
*/
virtual bool DeleteFile(const FileSys::Path& path) const = 0;
virtual bool DeleteFile(const Path& path) const = 0;
/**
* Rename a File specified by its path
@ -204,14 +200,14 @@ public:
* @param dest_path Destination path relative to the archive
* @return Whether rename succeeded
*/
virtual bool RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const = 0;
virtual bool RenameFile(const Path& src_path, const Path& dest_path) const = 0;
/**
* Delete a directory specified by its path
* @param path Path relative to the archive
* @return Whether the directory could be deleted
*/
virtual bool DeleteDirectory(const FileSys::Path& path) const = 0;
virtual bool DeleteDirectory(const Path& path) const = 0;
/**
* Create a file specified by its path
@ -234,7 +230,7 @@ public:
* @param dest_path Destination path relative to the archive
* @return Whether rename succeeded
*/
virtual bool RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const = 0;
virtual bool RenameDirectory(const Path& src_path, const Path& dest_path) const = 0;
/**
* Open a directory specified by its path

34
src/core/file_sys/archive_romfs.cpp
View file

@ -23,37 +23,21 @@ Archive_RomFS::Archive_RomFS(const Loader::AppLoader& app_loader) {
}
}
/**
* 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_RomFS::OpenFile(const Path& path, const Mode mode) const {
return Common::make_unique<File_RomFS>(this);
}
/**
* Delete a file specified by its path
* @param path Path relative to the archive
* @return Whether the file could be deleted
*/
bool Archive_RomFS::DeleteFile(const FileSys::Path& path) const {
bool Archive_RomFS::DeleteFile(const Path& path) const {
LOG_WARNING(Service_FS, "Attempted to delete a file from ROMFS.");
return false;
}
bool Archive_RomFS::RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const {
bool Archive_RomFS::RenameFile(const Path& src_path, const Path& dest_path) const {
LOG_WARNING(Service_FS, "Attempted to rename a file within ROMFS.");
return false;
}
/**
* Delete a directory specified by its path
* @param path Path relative to the archive
* @return Whether the directory could be deleted
*/
bool Archive_RomFS::DeleteDirectory(const FileSys::Path& path) const {
bool Archive_RomFS::DeleteDirectory(const Path& path) const {
LOG_WARNING(Service_FS, "Attempted to delete a directory from ROMFS.");
return false;
}
@ -64,26 +48,16 @@ ResultCode Archive_RomFS::CreateFile(const Path& path, u32 size) const {
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS, ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
/**
* Create a directory specified by its path
* @param path Path relative to the archive
* @return Whether the directory could be created
*/
bool Archive_RomFS::CreateDirectory(const Path& path) const {
LOG_WARNING(Service_FS, "Attempted to create a directory in ROMFS.");
return false;
}
bool Archive_RomFS::RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const {
bool Archive_RomFS::RenameDirectory(const Path& src_path, const Path& dest_path) const {
LOG_WARNING(Service_FS, "Attempted to rename a file within ROMFS.");
return false;
}
/**
* Open a directory specified by its path
* @param path Path relative to the archive
* @return Opened directory, or nullptr
*/
std::unique_ptr<DirectoryBackend> Archive_RomFS::OpenDirectory(const Path& path) const {
return Common::make_unique<Directory_RomFS>();
}

8
src/core/file_sys/archive_romfs.h
View file

@ -36,7 +36,7 @@ public:
* @param path Path relative to the archive
* @return Whether the file could be deleted
*/
bool DeleteFile(const FileSys::Path& path) const override;
bool DeleteFile(const Path& path) const override;
/**
* Rename a File specified by its path
@ -44,14 +44,14 @@ public:
* @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;
bool RenameFile(const Path& src_path, const 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;
bool DeleteDirectory(const Path& path) const override;
/**
* Create a file specified by its path
@ -74,7 +74,7 @@ public:
* @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;
bool RenameDirectory(const Path& src_path, const Path& dest_path) const override;
/**
* Open a directory specified by its path

10
src/core/file_sys/directory_romfs.cpp
View file

@ -21,20 +21,10 @@ bool Directory_RomFS::Open() {
return false;
}
/**
* 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_RomFS::Read(const u32 count, Entry* entries) {
return 0;
}
/**
* Close the directory
* @return true if the directory closed correctly
*/
bool Directory_RomFS::Close() const {
return false;
}

10
src/core/file_sys/disk_archive.cpp
View file

@ -23,15 +23,15 @@ std::unique_ptr<FileBackend> DiskArchive::OpenFile(const Path& path, const Mode
return std::unique_ptr<FileBackend>(file);
}
bool DiskArchive::DeleteFile(const FileSys::Path& path) const {
bool DiskArchive::DeleteFile(const Path& path) const {
return FileUtil::Delete(GetMountPoint() + path.AsString());
}
bool DiskArchive::RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const {
bool DiskArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString());
}
bool DiskArchive::DeleteDirectory(const FileSys::Path& path) const {
bool DiskArchive::DeleteDirectory(const Path& path) const {
return FileUtil::DeleteDir(GetMountPoint() + path.AsString());
}
@ -60,7 +60,7 @@ 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 {
bool DiskArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString());
}
@ -85,7 +85,7 @@ DiskFile::DiskFile(const DiskArchive* archive, const Path& path, const Mode mode
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());
LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.", path.c_str());
return false;
}

8
src/core/file_sys/disk_archive.h
View file

@ -26,12 +26,12 @@ public:
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 DeleteFile(const Path& path) const override;
bool RenameFile(const Path& src_path, const Path& dest_path) const override;
bool DeleteDirectory(const Path& path) const override;
ResultCode CreateFile(const Path& path, u32 size) const override;
bool CreateDirectory(const Path& path) const override;
bool RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override;
bool RenameDirectory(const Path& src_path, const Path& dest_path) const override;
std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
/**

32
src/core/file_sys/file_romfs.cpp
View file

@ -12,62 +12,30 @@
namespace FileSys {
/**
* Open the file
* @return true if the file opened correctly
*/
bool File_RomFS::Open() {
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_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
memcpy(buffer, &archive->raw_data[(u32)offset], length);
return 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_RomFS::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const {
LOG_WARNING(Service_FS, "Attempted to write to ROMFS.");
return 0;
}
/**
* Get the size of the file in bytes
* @return Size of the file in bytes
*/
size_t File_RomFS::GetSize() const {
return sizeof(u8) * archive->raw_data.size();
}
/**
* Set the size of the file in bytes
* @param size New size of the file
* @return true if successful
*/
bool File_RomFS::SetSize(const u64 size) const {
LOG_WARNING(Service_FS, "Attempted to set the size of ROMFS");
return false;
}
/**
* Close the file
* @return true if the file closed correctly
*/
bool File_RomFS::Close() const {
return false;
}