#**************************************************************
#  
#  Licensed to the Apache Software Foundation (ASF) under one
#  or more contributor license agreements.  See the NOTICE file
#  distributed with this work for additional information
#  regarding copyright ownership.  The ASF licenses this file
#  to you under the Apache License, Version 2.0 (the
#  "License"); you may not use this file except in compliance
#  with the License.  You may obtain a copy of the License at
#  
#    http://www.apache.org/licenses/LICENSE-2.0
#  
#  Unless required by applicable law or agreed to in writing,
#  software distributed under the License is distributed on an
#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
#  KIND, either express or implied.  See the License for the
#  specific language governing permissions and limitations
#  under the License.
#  
#**************************************************************
#
# converttags - a perl script to coonvert some predefined tags
# to user specified values
#

if($#ARGV == -1)
{
    die "No parameters were specified.\nperl converttags.pl <mode> <title> <productname> [<color1>] [<color2>] file_1 [... file_n]\n";
}
if($#ARGV < 2)
{
    die "No file were specified -> no file must be converted!\n";
}

# mode = 1 -> convert
#      = 2 -> exit without conversion
$mode = shift @ARGV;

$title = shift @ARGV;
$productname = shift @ARGV;

$color1 = "";
$color2 = "";

if( $mode =~ s/2/$1/go )
{
    exit 0;
}

if( $ARGV[0] =~ s/(#[\w]{6})/$1/go )
{
    $color1 = shift @ARGV;
}
if( $ARGV[0] =~ s/(#[\w]{6})/$1/go )
{
    $color2 = shift @ARGV;
}

print "$title\n";
print "$productname\n";
print "$color1\n";
print "$color2\n";

$return = 0;

while (@ARGV) 
{
    my $lineCount = 0;
    $ARGV = shift @ARGV;
    print "convert tags: $ARGV ";

    open ( FILEIN, $ARGV ) || die "could not open $ARGV for reading";
    @lines = <FILEIN>;
    close( FILEIN );
    open( FILEOUT, ">$ARGV.tmp" ) || die "could not open $ARGV.tmp for writing";

    
    foreach $_ (@lines)
    {
	$lineCount++;
	if ( $lineCount == 10 )
	{
	    $lineCount = 0;
	    print ".";
	}
	# change [TITLE] tag
	s#\[TITLE\]#$title#go;

	# change [PRODUCTNAME] tag
	s#\[PRODUCTNAME\]#$productname#go;

	# change color #003399 to #$color1 if color1 was specified!
	if ( ! "$color1" eq "" )
	{
	    s/#003399/$color1/go;
	}

	# change color #99CCFF to #$color2 if color2 was specified!
	if ( ! "$color2" eq "" )
	{
	    s/#99CCFF/$color2/go;
	}
	print FILEOUT $_; 
    }
    print " OK\n";

    close FILEOUT;
    chmod 0666, $ARGV;
    rename "$ARGV.tmp", $ARGV || die "could not rename $ARGV.tmp to $ARGV";
}

exit $return;