text: #!/usr/bin/perl
  
  # Copyright (C) 2007 Apple Inc.  All rights reserved.
  # Copyright (C) 2010 Holger Hans Peter Freyther
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions
  # are met:
  #
  # 1.  Redistributions of source code must retain the above copyright
  #     notice, this list of conditions and the following disclaimer. 
  # 2.  Redistributions in binary form must reproduce the above copyright
  #     notice, this list of conditions and the following disclaimer in the
  #     documentation and/or other materials provided with the distribution. 
  # 3.  Neither the name of Apple Inc. ("Apple") nor the names of
  #     its contributors may be used to endorse or promote products derived
  #     from this software without specific prior written permission. 
  #
  # THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  # DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  # This script updates Tools/iExploder/iExploder-1.3.2/htdocs/*.in based on
  # WebCore/css/CSSPropertyNames.in, WebCore/html/HTMLTagNames.in
  # and WebCore/html/HTMLAttributeNames.in
  
  use warnings;
  use strict;
  
  use FindBin;
  use lib $FindBin::Bin;
  use VCSUtils;
  use webkitdirs;
  
  use File::Spec;
  
  sub generateEntityListFromFile($);
  sub readiExploderFile($);
  sub update($$);
  sub writeiExploderFile($@);
  
  update("cssproperties.in", "css/CSSPropertyNames.in");
  update("htmlattrs.in", "html/HTMLAttributeNames.in");
  update("htmltags.in", "html/HTMLTagNames.in");
  print "Successfully updated!\n";
  
  exit 0;
  
  sub generateEntityListFromFile($)
  {
      my ($filename) = @_;
  
      my $revision = svnRevisionForDirectory(dirname($filename));
      my $path = File::Spec->abs2rel($filename, sourceDir());
      my $result = "# From WebKit svn r" . $revision . " (" . $path . ")\n";
  
      my @entities = ();
      my $in_namespace = 0;
  
      open(IN, $filename) || die "$!";
      while (my $l = <IN>) {
          chomp $l;
          if ($l =~ m/^namespace=\"/) {
              $in_namespace = 1;
          } elsif ($in_namespace && $l =~ m/^$/) {
              $in_namespace = 0;
          }
  
          next if $in_namespace;
          next if $l =~ m/^\s*#/ || $l =~ m/^\s*$/;
  
          # For HTML Tags that can have additional information
          if ($l =~ m/ /) {
              my @split = split / /, $l;
              $l = $split[0]
          }
  
          push(@entities, $l);
      }
      close(IN);
  
      $result .= join("\n", sort { $a cmp $b } @entities) . "\n\n";
  
      return $result;
  }
  
  sub readiExploderFile($)
  {
      my ($filename) = @_;
  
      my @sections = ();
      local $/ = "\n\n";
  
      open(IN, $filename) || die "$!";
      @sections = <IN>;
      close(IN);
  
      return @sections;
  }
  
  sub update($$)
  {
      my ($iexploderPath, $webcorePath) = @_;
  
      $iexploderPath = File::Spec->catfile(sourceDir(), "Tools", "iExploder", "iExploder-1.3.2", "htdocs", split("/", $iexploderPath));
      $webcorePath = File::Spec->catfile(sourceDir(), "Source", "WebCore", split("/", $webcorePath));
  
      my @sections = readiExploderFile($iexploderPath);
      $sections[0] = generateEntityListFromFile($webcorePath);
      writeiExploderFile($iexploderPath, @sections);
  }
  
  
  sub writeiExploderFile($@)
  {
      my ($filename, @sections) = @_;
  
      open(OUT, "> $filename") || die "$!";
      print OUT join("", @sections);
      close(OUT);
  }
  
  