fs/NarrowPath: new utility class

1 files changed, 49 insertions, 0 deletions

diff --git a/src/fs/NarrowPath.hxx b/src/fs/NarrowPath.hxx
new file mode 100644
index 000000000..2088f9359
--- /dev/null
+++ b/src/fs/NarrowPath.hxx
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2003-2015 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_FS_NARROW_PATH_HXX
+#define MPD_FS_NARROW_PATH_HXX
+
+#include "check.h"
+#include "Path.hxx"
+
+/**
+ * A path name that uses the regular (narrow) "char".  This is used to
+ * pass a #Path (which may be represented by wchar_t) to a library
+ * that accepts only "const char *".
+ */
+class NarrowPath {
+	typedef char value_type;
+	typedef const char *const_pointer;
+
+	const_pointer value;
+
+public:
+	explicit NarrowPath(Path _path):value(_path.c_str()) {}
+
+	operator const_pointer() const {
+		return value;
+	}
+
+	const_pointer c_str() const {
+		return value;
+	}
+};
+
+#endif