Add PBD::sys::path class that has a similar API to boost::filesystem::path but using glib/mm filesystem utility functions

Add ARDOUR::SessionDirectory class

Use SessionDirectory to create the session directory structure when creating a new session


git-svn-id: svn://localhost/ardour2/trunk@1874 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/pbd/filesystem.cc

@@ -0,0 +1,100 @@
+/*
+	Copyright (C) 2007 Tim Mayberry 
+
+	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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <sys/stat.h>
+
+#include <glib.h>
+#include <glib/gstdio.h>
+
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
+
+#include <pbd/filesystem.h>
+#include <pbd/error.h>
+
+namespace PBD {
+
+namespace sys {
+	
+path&
+path::operator/=(const path& rhs)
+{
+	m_path = Glib::build_filename(m_path, rhs.m_path);
+	return *this;
+}
+
+path&
+path::operator/=(const string& rhs)
+{
+	m_path = Glib::build_filename(m_path, rhs);
+	return *this;
+}
+
+path&
+path::operator/=(const char* rhs)
+{
+	m_path = Glib::build_filename(m_path, rhs);
+	return *this;
+}
+
+bool
+exists (const path & p)
+{
+	return Glib::file_test (p.to_string(), Glib::FILE_TEST_EXISTS);
+}
+
+bool
+is_directory (const path & p)
+{
+	return Glib::file_test (p.to_string(), Glib::FILE_TEST_IS_DIR);
+}
+
+bool
+create_directory(const path & p)
+{
+	if (g_mkdir (p.to_string().c_str(), S_IRWXU|S_IRWXG|S_IRWXO) != 0)
+	{
+		warning << "Unable to create directory at path: " << p.to_string() << endmsg;
+		return false;
+	}
+
+	return true;
+}
+
+bool
+create_directories(const path & p)
+{
+	if (g_mkdir_with_parents (p.to_string().c_str(), S_IRWXU|S_IRWXG|S_IRWXO) != 0)
+	{
+		warning << "Unable to create directory at path: " << p.to_string() << endmsg;
+		return false;
+	}
+
+	return true;
+}
+
+string
+basename (const path & p)
+{
+	// I'm not sure if this works quite the same as boost::filesystem::basename
+	return Glib::path_get_basename (p.to_string ());
+}
+
+} // namespace sys
+
+} // namespace PBD