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      1 #!/usr/bin/perl -w
      2 #
      3 #  Copyright (C) 2006 Apple Computer, Inc.
      4 #
      5 #  This library is free software; you can redistribute it and/or
      6 #  modify it under the terms of the GNU Library General Public
      7 #  License as published by the Free Software Foundation; either
      8 #  version 2 of the License, or (at your option) any later version.
      9 #
     10 #  This library is distributed in the hope that it will be useful,
     11 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13 #  Library General Public License for more details.
     14 #
     15 #  You should have received a copy of the GNU Library General Public License
     16 #  along with this library; see the file COPYING.LIB.  If not, write to
     17 #  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18 #  Boston, MA 02110-1301, USA.
     19 #
     20 
     21 # Usage: make-css-file-arrays.pl <header> <output> <input> ...
     22 
     23 use strict;
     24 use Getopt::Long;
     25 
     26 my $preprocessor;
     27 
     28 GetOptions('preprocessor=s' => \$preprocessor);
     29 
     30 if (!$preprocessor) {
     31     $preprocessor = "/usr/bin/gcc -E -P -x c++";
     32 }
     33 
     34 my $header = $ARGV[0];
     35 shift;
     36 
     37 my $out = $ARGV[0];
     38 shift;
     39 
     40 open HEADER, ">", $header or die;
     41 open OUT, ">", $out or die;
     42 
     43 print HEADER "namespace WebCore {\n";
     44 print OUT "namespace WebCore {\n";
     45 
     46 for my $in (@ARGV) {
     47     $in =~ /(\w+)\.css$/ or die;
     48     my $name = $1;
     49 
     50     # Slurp in the CSS file.
     51     open IN, $preprocessor . " " . $in . "|" or die;
     52     my $text; { local $/; $text = <IN>; }
     53     close IN;
     54 
     55     # Remove comments in a simple-minded way that will work fine for our files.
     56     # Could do this a fancier way if we were worried about arbitrary CSS source.
     57     $text =~ s|/\*.*?\*/||gs;
     58 
     59     # Crunch whitespace just to make it a little smaller.
     60     # Could do work to avoid doing this inside quote marks but our files don't have runs of spaces in quotes.
     61     # Could crunch further based on places where whitespace is optional.
     62     $text =~ s|\s+| |gs;
     63     $text =~ s|^ ||;
     64     $text =~ s| $||;
     65 
     66     # Write out a C array of the characters.
     67     my $length = length $text;
     68     print HEADER "extern const char ${name}UserAgentStyleSheet[${length}];\n";
     69     print OUT "extern const char ${name}UserAgentStyleSheet[${length}] = {\n";
     70     my $i = 0;
     71     while ($i < $length) {
     72         print OUT "    ";
     73         my $j = 0;
     74         while ($j < 16 && $i < $length) {
     75             print OUT ", " unless $j == 0;
     76             print OUT ord substr $text, $i, 1;
     77             ++$i;
     78             ++$j;
     79         }
     80         print OUT "," unless $i == $length;
     81         print OUT "\n";
     82     }
     83     print OUT "};\n";
     84 
     85 }
     86 
     87 print HEADER "}\n";
     88 print OUT "}\n";
     89