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Diffstat (limited to 'src/lib/util/path.h')
-rw-r--r-- | src/lib/util/path.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/lib/util/path.h b/src/lib/util/path.h new file mode 100644 index 00000000000..1291d7b17d3 --- /dev/null +++ b/src/lib/util/path.h @@ -0,0 +1,65 @@ +// 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 |