Atmosphere/libraries/libstratosphere/source/fs/fs_filesystem_utils.cpp
2020-03-08 01:45:12 -08:00

70 lines
2.5 KiB
C++

/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "fsa/fs_mount_utils.hpp"
#include "fsa/fs_filesystem_accessor.hpp"
namespace ams::fs {
namespace {
Result HasEntry(bool *out, const char *path, fs::DirectoryEntryType type) {
/* Set out to false initially. */
*out = false;
/* Try to get the entry type. */
fs::DirectoryEntryType entry_type;
R_TRY_CATCH(fs::GetEntryType(std::addressof(entry_type), path)) {
/* If the path doesn't exist, nothing has gone wrong. */
R_CONVERT(fs::ResultPathNotFound, ResultSuccess());
} R_END_TRY_CATCH;
/* We succeeded. */
*out = entry_type == type;
return ResultSuccess();
}
}
Result EnsureDirectoryRecursively(const char *path) {
/* Get the filesystem accessor and sub path. */
impl::FileSystemAccessor *accessor;
const char *sub_path;
R_TRY(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path));
/* Use the system implementation. */
return fssystem::EnsureDirectoryRecursively(accessor->GetRawFileSystemUnsafe(), sub_path);
}
Result EnsureParentDirectoryRecursively(const char *path) {
/* Get the filesystem accessor and sub path. */
impl::FileSystemAccessor *accessor;
const char *sub_path;
R_TRY(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path));
/* Use the system implementation. */
return fssystem::EnsureParentDirectoryRecursively(accessor->GetRawFileSystemUnsafe(), sub_path);
}
Result HasFile(bool *out, const char *path) {
return HasEntry(out, path, fs::DirectoryEntryType_File);
}
Result HasDirectory(bool *out, const char *path) {
return HasEntry(out, path, fs::DirectoryEntryType_Directory);
}
}