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Added DeleteFile and DeleteDirectory functions to FS:USER and the archives.

This commit is contained in:
archshift 2014-11-11 10:37:26 -08:00
parent b66859714b
commit 8aeadbd95a
8 changed files with 194 additions and 26 deletions

View file

@ -184,6 +184,20 @@ public:
*/
virtual std::unique_ptr<File> OpenFile(const Path& path, const Mode mode) const = 0;
/**
* Delete a file specified by its path
* @param path Path relative to the archive
* @return Whether the file could be deleted
*/
virtual bool DeleteFile(const FileSys::Path& 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;
/**
* Create a directory specified by its path
* @param path Path relative to the archive

View file

@ -33,6 +33,26 @@ std::unique_ptr<File> Archive_RomFS::OpenFile(const Path& path, const Mode mode)
return std::unique_ptr<File>(new File_RomFS);
}
/**
* 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 {
ERROR_LOG(FILESYS, "Attempted to delete a file from 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 {
ERROR_LOG(FILESYS, "Attempted to delete a directory from ROMFS.");
return false;
}
/**
* Create a directory specified by its path
* @param path Path relative to the archive

View file

@ -36,6 +36,20 @@ public:
*/
std::unique_ptr<File> 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;
/**
* 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

View file

@ -57,6 +57,24 @@ std::unique_ptr<File> Archive_SDMC::OpenFile(const Path& path, const Mode mode)
return std::unique_ptr<File>(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());
}
/**
* 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

View file

@ -40,6 +40,20 @@ public:
*/
std::unique_ptr<File> 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;
/**
* 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

View file

@ -391,11 +391,41 @@ Handle OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, con
return handle;
}
/**
* Delete a File from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @return Whether deletion succeeded
*/
Result DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path) {
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
if (archive == nullptr)
return -1;
if (archive->backend->DeleteFile(path))
return 0;
return -1;
}
/**
* Delete a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
* @return Whether deletion succeeded
*/
Result DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
if (archive == nullptr)
return -1;
if (archive->backend->DeleteDirectory(path))
return 0;
return -1;
}
/**
* Create a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
* @return Opened Directory object
* @return Whether creation succeeded
*/
Result CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);

View file

@ -45,6 +45,22 @@ Handle CreateArchive(FileSys::Archive* backend, const std::string& name);
*/
Handle OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode);
/**
* Delete a File from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @return Whether deletion succeeded
*/
Result DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path);
/**
* Delete a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
* @return Whether deletion succeeded
*/
Result DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
/**
* Create a Directory from an Archive
* @param archive_handle Handle to an open Archive object

View file

@ -137,6 +137,68 @@ void OpenFileDirectly(Service::Interface* self) {
DEBUG_LOG(KERNEL, "called");
}
/*
* FS_User::DeleteFile service function
* Inputs:
* 2 : Archive handle lower word
* 3 : Archive handle upper word
* 4 : File path string type
* 5 : File path string size
* 7 : File path string data
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void DeleteFile(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 filename_size = cmd_buff[5];
u32 filename_ptr = cmd_buff[7];
FileSys::Path file_path(filename_type, filename_size, filename_ptr);
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s",
filename_type, filename_size, file_path.DebugStr().c_str());
cmd_buff[1] = Kernel::DeleteFileFromArchive(archive_handle, file_path);
DEBUG_LOG(KERNEL, "called");
}
/*
* FS_User::DeleteDirectory service function
* Inputs:
* 2 : Archive handle lower word
* 3 : Archive handle upper word
* 4 : Directory path string type
* 5 : Directory path string size
* 7 : Directory path string data
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void DeleteDirectory(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 dirname_size = cmd_buff[5];
u32 dirname_ptr = cmd_buff[7];
FileSys::Path dir_path(dirname_type, dirname_size, dirname_ptr);
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s",
dirname_type, dirname_size, dir_path.DebugStr().c_str());
cmd_buff[1] = Kernel::DeleteDirectoryFromArchive(archive_handle, dir_path);
DEBUG_LOG(KERNEL, "called");
}
/*
* FS_User::CreateDirectory service function
* Inputs:
@ -159,18 +221,8 @@ void CreateDirectory(Service::Interface* self) {
u32 dirname_ptr = cmd_buff[8];
FileSys::Path dir_path(dirname_type, dirname_size, dirname_ptr);
std::string dir_string;
switch (dir_path.GetType()) {
case FileSys::Char:
case FileSys::Wchar:
dir_string = dir_path.AsString();
break;
default:
cmd_buff[1] = -1;
return;
}
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_string.c_str());
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_path.DebugStr().c_str());
cmd_buff[1] = Kernel::CreateDirectoryFromArchive(archive_handle, dir_path);
@ -188,25 +240,15 @@ void OpenDirectory(Service::Interface* self) {
u32 dirname_ptr = cmd_buff[6];
FileSys::Path dir_path(dirname_type, dirname_size, dirname_ptr);
std::string dir_string;
switch (dir_path.GetType()) {
case FileSys::Char:
case FileSys::Wchar:
dir_string = dir_path.AsString();
break;
default:
cmd_buff[1] = -1;
return;
}
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_string.c_str());
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_path.DebugStr().c_str());
Handle handle = Kernel::OpenDirectoryFromArchive(archive_handle, dir_path);
if (handle) {
cmd_buff[1] = 0;
cmd_buff[3] = handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for directory %s", dir_string.c_str());
ERROR_LOG(KERNEL, "failed to get a handle for directory");
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
}
@ -279,9 +321,9 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x08010002, Initialize, "Initialize"},
{0x080201C2, OpenFile, "OpenFile"},
{0x08030204, OpenFileDirectly, "OpenFileDirectly"},
{0x08040142, nullptr, "DeleteFile"},
{0x08040142, DeleteFile, "DeleteFile"},
{0x08050244, nullptr, "RenameFile"},
{0x08060142, nullptr, "DeleteDirectory"},
{0x08060142, DeleteDirectory, "DeleteDirectory"},
{0x08070142, nullptr, "DeleteDirectoryRecursively"},
{0x08080202, nullptr, "CreateFile"},
{0x08090182, CreateDirectory, "CreateDirectory"},