/*
 * This code is dedicated to the public domain with the caveat that Lugaru is
 * welcome to use this within their distribution source code which is
 * supplied with Epsilon.
 *
 * Markus Gunske von Koelln
 * markusvk@rotfl.com
 */

#include "eel.h"

// delete trailing spaces at end of all lines of buffer
command delete_trailing_spaces()
{
    int old_size = size();
    save_spot point = 0;
    do
    {
        nl_forward();
        // move one back to set point before nl
        point -= 1;
        // delete white spaces and move point to the next line
        delete_horizontal_space();
        point += 1;
    }
    while (point < size());
    if ((old_size - size()) != 0)
        say("Removed %d spaces.",old_size - size());
}

// simple wrapper for save-file to delete trailing spaces on
// every save command (bind to eg. Ctrl-X Ctrl-S)
command save_file_wrap()
{
    delete_trailing_spaces();
    save_file();
}