lib/arglex/source/pushback.cc

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//
// nis-util - NIS Administration Utilities
// Copyright (C) 2012 Peter Miller
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at
// your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
//

#include <lib/arglex/source/pushback.h>


arglex_source_pushback::~arglex_source_pushback()
{
}


arglex_source_pushback::arglex_source_pushback(
    const source_location &a_locn,
    const rcstring &a_text
) :
    locn(a_locn),
    text(a_text),
    used_up(false)
{
}


arglex_source_pushback::pointer
arglex_source_pushback::create(const source_location &a_locn,
    const rcstring &a_text)
{
    return pointer(new arglex_source_pushback(a_locn, a_text));
}


bool
arglex_source_pushback::next(source_location &result_locn, rcstring &result)
{
    result_locn = locn;
    if (used_up)
        return false;
    result = text;
    used_up = true;
    return true;
}


// vim: set ts=8 sw=4 et :