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Atmosphere/libraries/libstratosphere/include/stratosphere/fs/fs_path_tool.hpp

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2.6 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/>.
*/
#pragma once
#include "fs_common.hpp"
#include "../fssrv/fssrv_sf_path.hpp"
namespace ams::fs {
namespace StringTraits {
constexpr inline char DirectorySeparator = '/';
constexpr inline char DriveSeparator = ':';
constexpr inline char Dot = '.';
constexpr inline char NullTerminator = '\x00';
}
class PathTool {
public:
static constexpr const char RootPath[] = "/";
public:
static constexpr inline bool IsSeparator(char c) {
return c == StringTraits::DirectorySeparator;
}
static constexpr inline bool IsNullTerminator(char c) {
return c == StringTraits::NullTerminator;
}
static constexpr inline bool IsDot(char c) {
return c == StringTraits::Dot;
}
static constexpr inline bool IsWindowsDriveCharacter(char c) {
return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z');
}
static constexpr inline bool IsDriveSeparator(char c) {
return c == StringTraits::DriveSeparator;
}
static constexpr inline bool IsWindowsAbsolutePath(const char *p) {
return IsWindowsDriveCharacter(p[0]) && IsDriveSeparator(p[1]);
}
static constexpr inline bool IsCurrentDirectory(const char *p) {
return IsDot(p[0]) && (IsSeparator(p[1]) || IsNullTerminator(p[1]));
}
static constexpr inline bool IsParentDirectory(const char *p) {
return IsDot(p[0]) && IsDot(p[1]) && (IsSeparator(p[2]) || IsNullTerminator(p[2]));
}
static Result Normalize(char *out, size_t *out_len, const char *src, size_t max_out_size, bool unc_preserved = false);
static Result IsNormalized(bool *out, const char *path);
static bool IsSubPath(const char *lhs, const char *rhs);
};
}