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// license:BSD-3-Clause
// copyright-holders:Vas Crabb
/***************************************************************************
path.h
Filesystem path utilties
***************************************************************************/
#ifndef MAME_LIB_UTIL_PATH_H
#define MAME_LIB_UTIL_PATH_H
#include "osdfile.h" // for PATH_SEPARATOR
#include <string>
#include <utility>
namespace util {
/***************************************************************************
INLINE FUNCTIONS
***************************************************************************/
// is a given character a directory separator?
constexpr bool is_directory_separator(char c)
{
#if defined(WIN32)
return ('\\' == c) || ('/' == c) || (':' == c);
#else
return '/' == c;
#endif
}
// append to a path
template <typename T, typename... U>
inline std::string &path_append(std::string &path, T &&next, U &&... more)
{
if (!path.empty() && !is_directory_separator(path.back()))
path.append(PATH_SEPARATOR);
path.append(std::forward<T>(next));
if constexpr (sizeof...(U))
return path_append(std::forward<U>(more)...);
else
return path;
}
// concatenate paths
template <typename T, typename... U>
inline std::string path_concat(T &&first, U &&... more)
{
std::string result(std::forward<T>(first));
if constexpr (sizeof...(U))
path_append(result, std::forward<U>(more)...);
return result;
}
} // namespace util
#endif // MAME_LIB_UTIL_PATH_H
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