#!/usr/bin/perl -w

#

#  Copyright (C) 2006 Apple Computer, Inc.

#

#  This library is free software; you can redistribute it and/or

#  modify it under the terms of the GNU Library General Public

#  License as published by the Free Software Foundation; either

#  version 2 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

#  Library General Public License for more details.

#

#  You should have received a copy of the GNU Library General Public License

#  along with this library; see the file COPYING.LIB.  If not, write to

#  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

#  Boston, MA 02110-1301, USA.

#

# Usage: make-css-file-arrays.pl <header> <output> <input> ...

use strict;

use Getopt::Long;

my $preprocessor;

GetOptions('preprocessor=s' => \$preprocessor);

if (!$preprocessor) {

    $preprocessor = "/usr/bin/gcc -E -P -x c++";

}

my $header = $ARGV[0];

shift;

my $out = $ARGV[0];

shift;

open HEADER, ">", $header or die;

open OUT, ">", $out or die;

print HEADER "namespace WebCore {\n";

print OUT "namespace WebCore {\n";

for my $in (@ARGV) {

    $in =~ /(\w+)\.css$/ or die;

    my $name = $1;

    # Slurp in the CSS file.

    open IN, $preprocessor . " " . $in . "|" or die;

    my $text; { local $/; $text = <IN>; }

    close IN;

    # Remove comments in a simple-minded way that will work fine for our files.

    # Could do this a fancier way if we were worried about arbitrary CSS source.

    $text =~ s|/\*.*?\*/||gs;

    # Crunch whitespace just to make it a little smaller.

    # Could do work to avoid doing this inside quote marks but our files don't have runs of spaces in quotes.

    # Could crunch further based on places where whitespace is optional.

    $text =~ s|\s+| |gs;

    $text =~ s|^ ||;

    $text =~ s| $||;

    # Write out a C array of the characters.

    my $length = length $text;

    print HEADER "extern const char ${name}UserAgentStyleSheet[${length}];\n";

    print OUT "extern const char ${name}UserAgentStyleSheet[${length}] = {\n";

    my $i = 0;

    while ($i < $length) {

        print OUT "    ";

        my $j = 0;

        while ($j < 16 && $i < $length) {

            print OUT ", " unless $j == 0;

            print OUT ord substr $text, $i, 1;

            ++$i;

            ++$j;

        }

        print OUT "," unless $i == $length;

        print OUT "\n";

    }

    print OUT "};\n";

}

print HEADER "}\n";

print OUT "}\n";