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      1 #!/usr/bin/perl -w
      2 
      3 # Copyright (C) 2008 Apple Inc. All Rights Reserved.
      4 #
      5 # Redistribution and use in source and binary forms, with or without
      6 # modification, are permitted provided that the following conditions
      7 # are met:
      8 # 1. Redistributions of source code must retain the above copyright
      9 #    notice, this list of conditions and the following disclaimer.
     10 # 2. Redistributions in binary form must reproduce the above copyright
     11 #    notice, this list of conditions and the following disclaimer in the
     12 #    documentation and/or other materials provided with the distribution.
     13 #
     14 # THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     15 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     18 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19 # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20 # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21 # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22 # OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25 
     26 # Script to combine multiple JavaScript files into one file, based on
     27 # the script tags in the head of an input HTML file.
     28 
     29 use strict;
     30 use Getopt::Long;
     31 use File::Basename;
     32 use File::Path;
     33 
     34 my $outputDirectory;
     35 my $scriptName;
     36 my $htmlFile;
     37 
     38 GetOptions('output-dir=s' => \$outputDirectory,
     39            'output-script-name=s' => \$scriptName,
     40            'input-html=s' => \$htmlFile);
     41 
     42 unless (defined $htmlFile and defined $scriptName and defined $outputDirectory) {
     43     print "Usage: $0 --input-html <path> --output-dir path --output-script-name <name>\n";
     44     exit;
     45 }
     46 
     47 my $htmlDirectory = dirname($htmlFile);
     48 my $htmlContents;
     49 
     50 {
     51     local $/;
     52     open HTML, $htmlFile or die;
     53     $htmlContents = <HTML>;
     54     close HTML;
     55 }
     56 
     57 $htmlContents =~ m/<head>(.*)<\/head>/si;
     58 my $headContents = $1;
     59 
     60 mkpath $outputDirectory;
     61 open SCRIPT_OUT, ">", "$outputDirectory/$scriptName" or die "Can't open $outputDirectory/$scriptName: $!";
     62 
     63 while ($headContents =~ m/<script.*src="([^"]*)"[^>]*>/gi) {
     64     local $/;
     65     open SCRIPT_IN, "$htmlDirectory/$1" or die "Can't open $htmlDirectory/$1: $!";
     66     print SCRIPT_OUT "/* $1 */\n\n";
     67     print SCRIPT_OUT <SCRIPT_IN>;
     68     close SCRIPT_IN;
     69 }
     70 
     71 close SCRIPT_OUT;
     72 
     73 $headContents =~ s/<script.*src="[^"]*"[^>]*><\/script>\s*//gi;
     74 $headContents .= "<script type=\"text/javascript\" src=\"$scriptName\"></script>\n";
     75 $htmlContents =~ s/<head>.*<\/head>/<head>$headContents<\/head>/si;
     76 
     77 open HTML, ">", "$outputDirectory/" . basename($htmlFile) or die "Can't open $outputDirectory/" . basename($htmlFile) . ": $!";
     78 print HTML $htmlContents;
     79 close HTML;
     80