libcruft-util/cruft/util/cmdopt2/args.cpp

#include "./args.hpp"

using cruft::cmdopt2::positional_t;
using cruft::cmdopt2::keyword_t;


///////////////////////////////////////////////////////////////////////////////
positional_t
cruft::cmdopt2::positional (char const *name)
{
    return positional (std::string (name));
}


//-----------------------------------------------------------------------------
positional_t
cruft::cmdopt2::positional (std::string &&name)
{
    positional_t res {};
    res.name = name;
    return res;
}


//-----------------------------------------------------------------------------
positional_t
positional_t::ignore (void) const
{
    positional_t res = *this;
    res.acceptor1.reset ();
    return res;
}


///////////////////////////////////////////////////////////////////////////////
keyword_t
cruft::cmdopt2::keyword (char const *name)
{
    return keyword (std::string (name));
}


//-----------------------------------------------------------------------------
keyword_t
cruft::cmdopt2::keyword (std::string &&name)
{
    keyword_t res {};
    res.name  = name;
    res.long_ = name;
    return res;
}


//-----------------------------------------------------------------------------
keyword_t
keyword_t::flag (void) const
{
    keyword_t res = *this;
    res.long_.reset ();
    res.short_.reset ();
    return res;
}


//-----------------------------------------------------------------------------
keyword_t
keyword_t::flag (char val) const
{
    keyword_t res = *this;
    res.short_ = val;
    return res;
}


//-----------------------------------------------------------------------------
keyword_t
keyword_t::flag (std::string_view val) const
{
    keyword_t res = *this;
    res.long_ = val;
    return res;
}


//-----------------------------------------------------------------------------
keyword_t
keyword_t::count (int &val) const
{
    CHECK (!acceptor1 and !acceptor0);

    keyword_t res = *this;
    res.acceptor0 = [&val] (void) { ++val; };
    return res;
}


//-----------------------------------------------------------------------------
keyword_t
keyword_t::present (bool &val) const
{
    CHECK (!acceptor1 and !acceptor0);

    val = false;

    keyword_t res = *this;
    res.acceptor0 = [&val] (void) { val = true; };
    return res;
}


//-----------------------------------------------------------------------------
keyword_t
keyword_t::acceptor (acceptor0_t _acceptor)
{
    keyword_t res = *this;
    res.acceptor0 = _acceptor;
    return res;
}


//-----------------------------------------------------------------------------
keyword_t
keyword_t::ignore (void) const
{
    keyword_t res = *this;
    res.acceptor0.reset ();
    res.acceptor1.reset ();
    return res;
}