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//---------------------------------------------------------------------------//
// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#ifndef BOOST_COMPUTE_DETAIL_PATH_HPP
#define BOOST_COMPUTE_DETAIL_PATH_HPP
#include <boost/filesystem/path.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/compute/detail/getenv.hpp>
namespace boost {
namespace compute {
namespace detail {
// Path delimiter symbol for the current OS.
static const std::string& path_delim()
{
static const std::string delim =
boost::filesystem::path("/").make_preferred().string();
return delim;
}
// Path to appdata folder.
inline const std::string& appdata_path()
{
#ifdef WIN32
static const std::string appdata = detail::getenv("APPDATA")
+ path_delim() + "boost_compute";
#else
static const std::string appdata = detail::getenv("HOME")
+ path_delim() + ".boost_compute";
#endif
return appdata;
}
// Path to cached binaries.
inline std::string program_binary_path(const std::string &hash, bool create = false)
{
std::string dir = detail::appdata_path() + path_delim()
+ hash.substr(0, 2) + path_delim()
+ hash.substr(2);
if(create && !boost::filesystem::exists(dir)){
boost::filesystem::create_directories(dir);
}
return dir + path_delim();
}
// Path to parameter caches.
inline std::string parameter_cache_path(bool create = false)
{
const static std::string dir = appdata_path() + path_delim() + "tune";
if(create && !boost::filesystem::exists(dir)){
boost::filesystem::create_directories(dir);
}
return dir + path_delim();
}
} // end detail namespace
} // end compute namespace
} // end boost namespace
#endif // BOOST_COMPUTE_DETAIL_PATH_HPP
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