#!/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 WebKitTools/iExploder/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(), "WebKitTools", "iExploder", "htdocs", split("/", $iexploderPath));

    $webcorePath = File::Spec->catfile(sourceDir(), "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);

}