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Merge branch 'qPCR4vir-develop-c++17' into develop-c++17

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This commit is contained in:
Jinhao 2018-01-31 00:09:38 +08:00
commit 163223e46f
2 changed files with 42 additions and 0 deletions
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31
include/nana/filesystem/filesystem.hpp
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@ -55,6 +55,37 @@
#define NANA_USING_BOOST_FILESYSTEM 1
# include <chrono>
# include <boost/filesystem.hpp>
// dont include generic_u8string
// http://www.boost.org/doc/libs/1_66_0/boost/filesystem/path.hpp
// enable directory_iterator C++11 range-base for
// http://www.boost.org/doc/libs/1_66_0/boost/filesystem/operations.hpp
// but travis come with an oooold version of boost
// NOT enable directory_iterator C++11 range-base for
// http://www.boost.org/doc/libs/1_54_0/boost/filesystem/operations.hpp
namespace boost
{
namespace filesystem
{
// enable directory_iterator C++11 range-base for statement use --------------------//
// begin() and end() are only used by a range-based for statement in the context of
// auto - thus the top-level const is stripped - so returning const is harmless and
// emphasizes begin() is just a pass through.
inline
const directory_iterator& begin(const directory_iterator& iter) BOOST_NOEXCEPT
{
return iter;
}
inline
directory_iterator end(const directory_iterator&) BOOST_NOEXCEPT
{
return directory_iterator();
}
} // namespace filesystem
}
// add boost::filesystem into std::experimental::filesystem
namespace std {

11
include/nana/filesystem/filesystem_ext.hpp
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@ -16,6 +16,7 @@
#define NANA_FILESYSTEM_EXT_HPP
#include <nana/filesystem/filesystem.hpp>
#include <nana/deploy.hpp>
namespace nana
{
@ -34,6 +35,16 @@ namespace filesystem_ext
std::experimental::filesystem::path path_user(); ///< extention ?
/// workaround Boost not having path.generic_u8string() - a good point for http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0251r0.pdf
inline std::string generic_u8string(const std::experimental::filesystem::path& p)
{
#if NANA_USING_BOOST_FILESYSTEM
return nana::to_utf8(p.generic_wstring());
#else
return p.generic_u8string();
#endif
}
inline bool is_directory(const std::experimental::filesystem::directory_entry& dir) noexcept
{
return is_directory(dir.status());