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Add function ARDOUR::create_backup_file in new header ardour/session_state_utils.h/cc

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git-svn-id: svn://localhost/ardour2/trunk@2382 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Tim Mayberry 2007-09-04 04:48:33 +00:00
parent e7398da7ec
commit 8058475a3d
3 changed files with 91 additions and 0 deletions
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1
libs/ardour/SConscript
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@ -114,6 +114,7 @@ session_export.cc
session_midi.cc
session_process.cc
session_state.cc
session_state_utils.cc
session_time.cc
session_timefx.cc
session_transport.cc

40
libs/ardour/ardour/session_state_utils.h Normal file
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@ -0,0 +1,40 @@
/*
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.
*/
#ifndef ARDOUR_SESSION_STATE_UTILS_INCLUDED
#define ARDOUR_SESSION_STATE_UTILS_INCLUDED
#include <pbd/filesystem.h>
namespace ARDOUR {
using namespace PBD;
/**
* Attempt to create a backup copy of a file.
*
* A copy of the file is created in the same directory using
* the same filename with the backup suffix appended.
*
* @return true if successful, false otherwise.
*/
bool create_backup_file (const sys::path & file_path);
} // namespace ARDOUR
#endif

50
libs/ardour/session_state_utils.cc Normal file
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@ -0,0 +1,50 @@
/*
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 <pbd/compose.h>
#include <pbd/error.h>
#include <ardour/session_state_utils.h>
#include <ardour/filename_extensions.h>
#include "i18n.h"
namespace ARDOUR {
bool
create_backup_file (const sys::path & file_path)
{
if (!sys::exists (file_path)) return false;
sys::path backup_path(file_path.to_string() + backup_suffix);
try
{
sys::copy_file (file_path, backup_path);
}
catch(sys::filesystem_error& ex)
{
error << string_compose (_("Unable to create a backup copy of file %1 (%2)"),
file_path.to_string(), ex.what())
<< endmsg;
return false;
}
return true;
}
} // namespace ARDOUR