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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#include "dirname.h"
#include <algorithm>
#include "verbose.h"
IGL_INLINE std::string igl::dirname(const std::string & path)
{
if(path == "")
{
return std::string("");
}
#if defined (WIN32)
char del('\\');
#else
char del('/');
#endif
// http://stackoverflow.com/questions/5077693/dirnamephp-similar-function-in-c
std::string::const_reverse_iterator last_slash =
std::find(
path.rbegin(),
path.rend(),del);
if( last_slash == path.rend() )
{
// No slashes found
return std::string(".");
}else if(1 == (last_slash.base() - path.begin()))
{
// Slash is first char
return std::string(&del);
}else if(path.end() == last_slash.base() )
{
// Slash is last char
std::string redo = std::string(path.begin(),path.end()-1);
return igl::dirname(redo);
}
return std::string(path.begin(),last_slash.base()-1);
}
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