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-rw-r--r--src/lib/util/path.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/lib/util/path.h b/src/lib/util/path.h
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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