lib/source_location.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/ac/assert.h>
#include <lib/ac/stdio.h>

#include <lib/source_location.h>


source_location::~source_location()
{
}


source_location::source_location() :
    file_name("the command line"),
    line_number(0)
{
}


source_location::source_location(
    const rcstring &a_file_name,
    int a_line_number
) :
    file_name(a_file_name),
    line_number(a_line_number)
{
    assert(line_number > 0);
}


source_location::source_location(const source_location &rhs) :
    file_name(rhs.file_name),
    line_number(rhs.line_number)
{
}


source_location &
source_location::operator=(const source_location &rhs)
{
    if (this != &rhs)
    {
        file_name = rhs.file_name;
        line_number = rhs.line_number;
    }
    return *this;
}


rcstring
source_location::get_both(void)
    const
{
    if (line_number < 1)
        return file_name;
    char buffer[20];
    snprintf(buffer, sizeof(buffer), ": %d", line_number);
    return (file_name + buffer);
}


source_location
source_location::operator+(int nlines)
    const
{
    int n = line_number + nlines;
    if (n < 1)
        n = 1;
    return source_location(file_name, n);
}


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