//---------------------------------------------------------------------------//
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// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#ifndef BOOST_COMPUTE_DETAIL_PATH_HPP
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#define BOOST_COMPUTE_DETAIL_PATH_HPP
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#include <boost/filesystem/path.hpp>
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#include <boost/filesystem/operations.hpp>
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#include <boost/compute/detail/getenv.hpp>
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namespace boost {
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namespace compute {
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namespace detail {
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// Path delimiter symbol for the current OS.
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static const std::string& path_delim()
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{
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static const std::string delim =
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boost::filesystem::path("/").make_preferred().string();
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return delim;
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}
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// Path to appdata folder.
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inline const std::string& appdata_path()
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{
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#ifdef _WIN32
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static const std::string appdata = detail::getenv("APPDATA")
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+ path_delim() + "boost_compute";
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#else
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static const std::string appdata = detail::getenv("HOME")
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+ path_delim() + ".boost_compute";
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#endif
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return appdata;
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}
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// Path to cached binaries.
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inline std::string program_binary_path(const std::string &hash, bool create = false)
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{
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std::string dir = detail::appdata_path() + path_delim()
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+ hash.substr(0, 2) + path_delim()
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+ hash.substr(2);
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if(create && !boost::filesystem::exists(dir)){
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boost::filesystem::create_directories(dir);
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}
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return dir + path_delim();
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}
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// Path to parameter caches.
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inline std::string parameter_cache_path(bool create = false)
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{
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const static std::string dir = appdata_path() + path_delim() + "tune";
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if(create && !boost::filesystem::exists(dir)){
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boost::filesystem::create_directories(dir);
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}
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return dir + path_delim();
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}
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} // end detail namespace
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} // end compute namespace
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} // end boost namespace
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#endif // BOOST_COMPUTE_DETAIL_PATH_HPP
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