From bbdcbd1f087b04d54fa5fb2ae3eba22d1e3c491b Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Tue, 2 Dec 2014 06:44:57 +0100
Subject: [PATCH] fs/Path: add methods GetBase() and GetDirectoryName()

---
 Makefile.am                                |  2 +-
 src/archive/plugins/Bzip2ArchivePlugin.cxx |  2 +-
 src/fs/Path.hxx                            | 18 ++++++++++++++
 src/fs/Path2.cxx                           | 28 ++++++++++++++++++++++
 4 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 src/fs/Path2.cxx

diff --git a/Makefile.am b/Makefile.am
index 156655671..34dcabd73 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -530,7 +530,7 @@ libfs_a_SOURCES = \
 	src/fs/Traits.cxx src/fs/Traits.hxx \
 	src/fs/Config.cxx src/fs/Config.hxx \
 	src/fs/Charset.cxx src/fs/Charset.hxx \
-	src/fs/Path.cxx src/fs/Path.hxx \
+	src/fs/Path.cxx src/fs/Path2.cxx src/fs/Path.hxx \
 	src/fs/AllocatedPath.cxx src/fs/AllocatedPath.hxx \
 	src/fs/FileSystem.cxx src/fs/FileSystem.hxx \
 	src/fs/StandardDirectory.cxx src/fs/StandardDirectory.hxx \
diff --git a/src/archive/plugins/Bzip2ArchivePlugin.cxx b/src/archive/plugins/Bzip2ArchivePlugin.cxx
index 2b92049dd..8548cb1e8 100644
--- a/src/archive/plugins/Bzip2ArchivePlugin.cxx
+++ b/src/archive/plugins/Bzip2ArchivePlugin.cxx
@@ -53,7 +53,7 @@ public:
 
 	Bzip2ArchiveFile(Path path, InputStream *_is)
 		:ArchiveFile(bz2_archive_plugin),
-		 name(PathTraitsFS::GetBase(path.c_str())),
+		 name(path.GetBase().c_str()),
 		 istream(_is) {
 		// remove .bz2 suffix
 		const size_t len = name.length();
diff --git a/src/fs/Path.hxx b/src/fs/Path.hxx
index 9e0fa5aeb..4a3ae815f 100644
--- a/src/fs/Path.hxx
+++ b/src/fs/Path.hxx
@@ -29,6 +29,8 @@
 #include <assert.h>
 #include <string.h>
 
+class AllocatedPath;
+
 /**
  * A path name in the native file system character set.
  *
@@ -128,6 +130,22 @@ public:
 	gcc_pure
 	std::string ToUTF8() const;
 
+	/**
+	 * Determine the "base" file name.
+	 * The return value points inside this object.
+	 */
+	gcc_pure
+	Path GetBase() const {
+		return FromFS(PathTraitsFS::GetBase(value));
+	}
+
+	/**
+	 * Gets directory name of this path.
+	 * Returns a "nulled" instance on error.
+	 */
+	gcc_pure
+	AllocatedPath GetDirectoryName() const;
+
 	/**
 	 * Determine the relative part of the given path to this
 	 * object, not including the directory separator.  Returns an
diff --git a/src/fs/Path2.cxx b/src/fs/Path2.cxx
new file mode 100644
index 000000000..966e34dad
--- /dev/null
+++ b/src/fs/Path2.cxx
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2003-2014 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.
+ */
+
+#include "config.h"
+#include "Path.hxx"
+#include "AllocatedPath.hxx"
+
+AllocatedPath
+Path::GetDirectoryName() const
+{
+	return AllocatedPath::FromFS(PathTraitsFS::GetParent(c_str()));
+}