#!/usr/bin/perl -w

# Copyright (C) 2006 Apple Computer, Inc. All rights reserved.

#

# 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 Computer, 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.

# Script to do file renaming.

use strict;

use FindBin;

use lib $FindBin::Bin;

use webkitdirs;

use File::Find;

setConfiguration();

chdirWebKit();

my %words;

# find all files we want to process

my @paths;

find(\&wanted, "WebCore");

sub wanted

{

    my $file = $_;

    if ($file eq "icu") {

        $File::Find::prune = 1;

        return;

    }

    if ($file =~ /^\../) {

        $File::Find::prune = 1;

        return;

    }

    return if $file =~ /^ChangeLog/;

    return if -d $file;

    push @paths, $File::Find::name;

}

my %renames = (

    "xxx.mm" => "yyy.mm",

);

# rename files

my %newFile;

for my $file (sort @paths) {

    my $f = $file;

    $f = "$1$renames{$2}" if $f =~ /^(.*\/)(\w+\.\w+)$/ && $renames{$2};

    $newFile{$file} = $f if $f ne $file;

}

for my $file (sort @paths) {

    if ($newFile{$file}) {

        my $newFile = $newFile{$file};

        print "Renaming $file to $newFile\n";

        system "svn move $file $newFile";

    }

}

# change all file contents

for my $file (sort @paths) {

    $file = $newFile{$file} if $newFile{$file};

    my $contents;

    {

        local $/;

        open FILE, $file or die;

        $contents = <FILE>;

        close FILE;

    }

    my $newContents = $contents;

    for my $from (keys %renames) {

        $newContents =~ s/\b\Q$from\E(?!["\w])/$renames{$from}/g; # this " unconfuses Xcode syntax highlighting

    }

    if ($newContents ne $contents) {

        open FILE, ">", $file or die;

        print FILE $newContents;

        close FILE;

    }

}