Atmosphere/stratosphere/ams_mitm/source/fs_mitm/fs_path_utils.hpp

73 lines
2.3 KiB
C++
Raw Normal View History

2019-03-22 16:51:47 +00:00
/*
* Copyright (c) 2018 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/>.
*/
#pragma once
#include <switch.h>
struct FsPath {
char str[FS_MAX_PATH];
};
constexpr FsPath EncodeConstantFsPath(const char *p) {
FsPath path = {0};
for (size_t i = 0; i < sizeof(path) - 1; i++) {
path.str[i] = p[i];
if (p[i] == 0) {
break;
}
}
return path;
}
constexpr size_t GetConstantFsPathLen(FsPath path) {
size_t len = 0;
for (size_t i = 0; i < sizeof(path) - 1; i++) {
if (path.str[i] == 0) {
break;
}
len++;
}
return len;
}
2019-03-22 16:51:47 +00:00
class FsPathUtils {
public:
static constexpr FsPath RootPath = EncodeConstantFsPath("/");
public:
2019-03-22 16:51:47 +00:00
static Result VerifyPath(const char *path, size_t max_path_len, size_t max_name_len);
static Result ConvertPathForServiceObject(FsPath *out, const char *path);
static Result IsNormalized(bool *out, const char *path);
static Result Normalize(char *out, size_t max_out_size, const char *src, size_t *out_size);
2019-03-22 16:51:47 +00:00
static bool IsWindowsDriveLetter(const char c) {
return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z');
}
2019-03-22 18:52:03 +00:00
static bool IsCurrentDirectory(const char *path) {
return path[0] == '.' && (path[1] == 0 || path[1] == '/');
}
static bool IsParentDirectory(const char *path) {
return path[0] == '.' && path[1] == '.' && (path[2] == 0 || path[2] == '/');
}
2019-03-22 16:51:47 +00:00
static bool IsWindowsAbsolutePath(const char *path) {
/* Nintendo uses this in path comparisons... */
return IsWindowsDriveLetter(path[0]) && path[1] == ':';
2019-03-22 16:51:47 +00:00
}
};