run_exe.hpp

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// Copyright (c) 2006, 2007 Julio M. Merino Vidal
// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
// Copyright (c) 2009 Boris Schaeling
// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
//
// 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)
 
#pragma once
 
#include <boost/process/posix/initializers/initializer_base.hpp>
#include <filesystem>
#include <boost/shared_array.hpp>
#include <string>
 
namespace boost::process::posix::initializers
{
 
    class run_exe_ : public initializer_base
    {
    public:
        explicit run_exe_(const std::string& s) : s_(s), cmd_line_(new char* [2])
        {
            cmd_line_[0] = const_cast<char*>(s_.c_str());
            cmd_line_[1] = 0;
        }
 
        template <class PosixExecutor>
        void on_exec_setup(PosixExecutor& e) const
        {
            e.exe = s_.c_str();
            if (!e.cmd_line)
            {
                e.cmd_line = cmd_line_.get();
            }
        }
 
    private:
        std::string s_;
        boost::shared_array<char*> cmd_line_;
    };
 
    inline run_exe_ run_exe(const char* s)
    {
        return run_exe_(s);
    }
 
    inline run_exe_ run_exe(const std::string& s)
    {
        return run_exe_(s);
    }
 
    inline run_exe_ run_exe(const std::filesystem::path& p)
    {
        return run_exe_(p.string());
    }
 
}