#! /usr/bin/perl -w

# Copyright 2002 Patrik Stridvall
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

use strict;

BEGIN {
    $0 =~ m%^(.*?/?tools)/winapi/winapi_cleanup$%;
    require "$1/winapi/setup.pm";
}

use config qw($current_dir $wine_dir);
use output qw($output);
use winapi_extract_options qw($options);

if($options->progress) {
    $output->enable_progress;
} else {
    $output->disable_progress;
}

########################################################################
# edit_file

sub edit_file {
    my $filename = shift;
    my $function = shift;

    open(IN, "< $filename") || die "Can't open file '$filename'";
    open(OUT, "> $filename.tmp") || die "Can't open file '$filename.tmp'";

    my $result = &$function(\*IN, \*OUT, @_);

    close(IN);
    close(OUT);

    if($result) {
        unlink($filename);
        rename("$filename.tmp", $filename);
    } else {
        unlink("$filename.tmp");
    }

    return $result;
}

########################################################################
# cleanup_file

sub cleanup_file {
    local *IN = shift;
    local *OUT = shift;

    my $modified = 0;

    while (<IN>) {
	chomp;
	if(s/(.*?)\s+$/$1/) {
	    $modified = 1;
	}

	print OUT "$_\n";
    }

    return $modified;
}

########################################################################
# main

my @h_files = $options->h_files;
my @c_files = $options->c_files;

my $progress_output;
my $progress_current = 0;
my $progress_max = scalar(@h_files) + scalar(@c_files);

foreach my $file (@h_files) {
    $progress_current++;
    $output->progress("$file (file $progress_current of $progress_max)");

    if (edit_file($file, \&cleanup_file, @_)) {
	$output->write("$file: modified\n");
    }
}

foreach my $file (@c_files) {
    $progress_current++;
    $output->progress("$file (file $progress_current of $progress_max)");

    if (edit_file($file, \&cleanup_file, @_)) {
	$output->write("$file: modified\n");
    }
}