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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include <vector>
#include "core/file_sys/filesystem.h"
namespace FileSys {
/**
* A helper class parsing and verifying a string-type Path.
* Every archives with a sub file system should use this class to parse the path argument and check
* the status of the file / directory in question on the host file system.
*/
class PathParser {
public:
explicit PathParser(const Path& path);
/**
* Checks if the Path is valid.
* This function should be called once a PathParser is constructed.
* A Path is valid if:
* - it is a string path (with type LowPathType::Char or LowPathType::Wchar),
* - it starts with "/" (this seems a hard requirement in real 3DS),
* - it doesn't contain invalid characters, and
* - it doesn't go out of the root directory using "..".
*/
bool IsValid() const {
return is_valid;
}
/// Checks if the Path represents the root directory.
bool IsRootDirectory() const {
return is_root;
}
enum HostStatus {
InvalidMountPoint,
PathNotFound, // "/a/b/c" when "a" doesn't exist
FileInPath, // "/a/b/c" when "a" is a file
FileFound, // "/a/b/c" when "c" is a file
DirectoryFound, // "/a/b/c" when "c" is a directory
NotFound // "/a/b/c" when "a/b/" exists but "c" doesn't exist
};
/// Checks the status of the specified file / directory by the Path on the host file system.
HostStatus GetHostStatus(const std::string& mount_point) const;
/// Builds a full path on the host file system.
std::string BuildHostPath(const std::string& mount_point) const;
private:
std::vector<std::string> path_sequence;
bool is_valid{};
bool is_root{};
};
} // namespace FileSys
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