boost_misc.cpp

#include <iostream>

/*
./bootstrap.sh --with-libraries=filesystem,url
./b2 -j4 link=static variant=release cxxflags="-O3 -ffunction-sections -fdata-sections"
g++ -O3 -Wall -Wextra -I. ../boost_misc.cpp -o ../boost_misc -Lstage/lib -lboost_filesystem -lboost_url -s -Wl,--gc-sections
*/

/* generate UUID (header-only) */
#include <boost/lexical_cast.hpp>
#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_io.hpp>
#include <boost/uuid/random_generator.hpp>

/* get program location [-lboost_filesystem] */
#include <boost/dll/runtime_symbol_info.hpp>
#include <boost/filesystem.hpp>

/* convert URI to path [-lboost_url] */
#include <boost/url.hpp>


inline std::string uuid_random() {
    return boost::lexical_cast<std::string>(boost::uuids::random_generator()());
}

inline std::string program_location() {
    return boost::dll::program_location().string();
}

inline std::string uri_decode(const std::string &str) {
    return boost::urls::url_view(str).path();
}


int main()
{
    std::cout << "program location: " << program_location() << std::endl;

    std::cout << "random UUID: " << uuid_random() << std::endl;

    const std::string uri = "file:///tmp/my%2dfile.txt";
    std::cout << "decode URI: [" << uri << "] -> [" << uri_decode(uri) << ']' << std::endl;

    return 0;
}