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/***************************************************************************
* Copyright (C) 2005-2019 by the FIFE team *
* http://www.fifengine.net *
* This file is part of FIFE. *
* *
* FIFE is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
// Standard C++ library includes
#include <string>
// 3rd party library includes
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/version.hpp>
// FIFE includes
// These includes are split up in two parts, separated by one empty line
// First block: files included from the FIFE root src directory
// Second block: files included from the same folder
#include "fife_boost_filesystem.h"
namespace
{
// grab the major and minor version of boost,
// calculations taken from boost/version.hpp
#define BOOST_MAJOR_VERSION BOOST_VERSION / 100000
#define BOOST_MINOR_VERSION BOOST_VERSION / 100 % 1000
#if (BOOST_MAJOR_VERSION >= 1 && BOOST_MINOR_VERSION >= 44 && defined(BOOST_FILESYSTEM_VERSION))
#if (BOOST_FILESYSTEM_VERSION == 2)
// if this macro is defined to 2 the the user wants to
// force the use of boost filesystem version 2 so we
// will set our internal macros correctly to do that
#define USE_NON_DEPRECATED_BOOST_FILESYSTEM_V2
#elif (BOOST_FILESYSTEM_VERSION == 3)
// if this macro is set to 3 then the user wants to force
// the use of boost filesystem version 3 so we will set
// our internal macros correctly to do that
#define USE_BOOST_FILESYSTEM_V3
#endif
#elif (BOOST_MAJOR_VERSION >= 1 && BOOST_MINOR_VERSION >= 46)
// this define will tell us to use boost filesystem
// version 3 since this is the default version of the library
// starting in boost version 1.46 and above
#define USE_BOOST_FILESYSTEM_V3
#elif (BOOST_MAJOR_VERSION >= 1 && BOOST_MINOR_VERSION >= 36)
// this define will tell us not to use the deprecated functions
// in boost filesystem version 2 library which were introduced
// in boost version 1.36 and above
#define USE_NON_DEPRECATED_BOOST_FILESYSTEM_V2
#endif
}
namespace FIFE {
bool HasParentPath(const bfs::path& path) {
#if defined(USE_BOOST_FILESYSTEM_V3) || defined(USE_NON_DEPRECATED_BOOST_FILESYSTEM_V2)
return path.has_parent_path();
#else
return path.has_branch_path();
#endif
}
bfs::path GetParentPath(const bfs::path& path) {
#if defined(USE_BOOST_FILESYSTEM_V3) || defined(USE_NON_DEPRECATED_BOOST_FILESYSTEM_V2)
return path.parent_path();
#else
return path.branch_path();
#endif
}
std::string GetFilenameFromPath(const bfs::path& path) {
#if defined(USE_BOOST_FILESYSTEM_V3)
// boost version 1.46 and above uses
// boost filesystem version 3 as the default
// which has yet a different way of getting
// a filename string
return path.filename().string();
#elif defined(USE_NON_DEPRECATED_BOOST_FILESYSTEM_V2)
// the new way in boost filesystem version 2
// to get a filename string
//(this is for boost version 1.36 and above)
return path.filename();
#else
// the old way in boost filesystem version 2
// to get a filename string
//(this is for boost version 1.35 and below)
return path.leaf();
#endif
}
std::string GetFilenameFromDirectoryIterator(const bfs::directory_iterator& iter) {
bfs::directory_iterator badIter;
// early exit for bad directory_iterator parameter
if (iter == badIter) {
return "";
}
#if defined(USE_BOOST_FILESYSTEM_V3)
// boost version 1.46 and above uses
// boost filesystem version 3 as the default
// which has yet a different way of getting
// a filename string
return iter->path().filename().string();
#elif defined(USE_NON_DEPRECATED_BOOST_FILESYSTEM_V2)
// the new way in boost filesystem version 2
// to get a filename string
//(this is for boost version 1.36 and above)
return iter->path().filename();
#else
// the old way in boost filesystem version 2
// to get a filename string
//(this is for boost version 1.35 and below)
return iter->leaf();
#endif
}
std::string GetPathIteratorAsString(const bfs::path::iterator& pathIter)
{
#if defined(USE_BOOST_FILESYSTEM_V3)
// in boost::filesystem v3 the path iterator is now
// represented by a path object internally so we
// must now additionally call the .string() method
// to get an std::string representation
return (*pathIter).string();
#else
// in boost::filesystem v2 the path iterator
// holds the string representation so we can
// use it directly
return (*pathIter);
#endif
}
bfs::path GetAbsolutePath(const std::string& path) {
return GetAbsolutePath(bfs::path(path));
}
bfs::path GetAbsolutePath(const bfs::path& path) {
#if defined(USE_BOOST_FILESYSTEM_V3)
return bfs::absolute(path);
#else
return bfs::complete(path);
#endif
}
bool HasExtension(const std::string& path) {
return HasExtension(bfs::path(path));
}
bool HasExtension(const bfs::path& path) {
// not sure this gives the same results as below
// because the "." will be included in the extension
// meaning that this may return true for a path that
// is simply has an empty extension
// see link for more information:
// http://www.boost.org/doc/libs/1_49_0/libs/filesystem/v3/doc/reference.html#path-extension
//return path.has_extension();
std::string extension = GetExtension(path);
if (extension.empty() || extension == ".") {
return false;
}
else {
return true;
}
}
std::string GetExtension(const std::string& path) {
return GetExtension(bfs::path(path));
}
std::string GetExtension(const bfs::path& path) {
#if defined(USE_BOOST_FILESYSTEM_V3)
return path.extension().string();
#else
return bfs::extension(path);
#endif
}
std::string GetStem(const std::string& path){
return GetStem(bfs::path(path));
}
std::string GetStem(const bfs::path& path) {
#if defined(USE_BOOST_FILESYSTEM_V3)
if (!HasExtension(path)) {
// if no extension return empty string
return "";
}
else {
return path.stem().string();
}
#else
if (!HasExtension(path)) {
// if no extension, return empty string
return "";
}
else {
return path.stem();
}
#endif
}
}
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