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package SVG::SVG2zinc::Backend::Tcl;
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU LGPL Libray General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA,
# or refer to http://www.gnu.org/copyleft/lgpl.html
#
##################################################################
# Backend Class for SVG2zinc
#
# Copyright 2003-2004
# Centre d'Études de la Navigation Aérienne
#
# Author: Christophe Mertz <mertz at intuilab dot com>
#
# A module for code translation from perl to tcl generation
#
# $Id: Tcl.pm.k,v 1.1.1.1 2006-10-20 13:34:31 merlin Exp $
#############################################################################
use vars qw( $VERSION);
($VERSION) = sprintf("%d.%02d", q$Revision: 1.1.1.1 $ =~ /(\d+)\.(\d+)/);
@ISA = qw( Exporter );
@EXPORT = qw( perl2tcl );
use strict;
use Carp;
sub perl2tcl {
my (@lines) = @_;
my @res;
foreach my $l (@lines) {
$l =~ s/->(\w*)\((.*)\)/\$w\.zinc $1 $2/g; # ->add(....) => $w.zinc add ...
$l =~ s/\s*,\s*/ /g; # replacing commas by spaces
$l =~ s/\s*=>\s*/ /g; # replacing => by spaces
$l =~ s/\s*\'([^\s;]+)\'\s*/ $1 /g ; # removing single-quotes around string without spaces
$l =~ s/\s*\"([^\s;]+)\"\s*/ $1 /g ; # removing double-quotes around string without spaces
$l =~ s/([\"\s])\#/$1\\\#/g ; # prefixing # by a slash
$l =~ s/\[/\{/g; # replacing [ by }
$l =~ s/\]/\}/g; # replacing ] by }
$l =~ s/\{\s+/\{/g; # removing spaces after {
$l =~ s/\s+\}/\}/g; # removing spaces before }
$l =~ s/-tags \{(\S+)\}/-tags $1/g; # -tags {toto} ==>> -tags toto
$l =~ s/\'/\"/g; # replacing all single quotes by double quotes
$l = &hack($l);
$l =~ s/\s+/ /g; # dangerous: removing multiple occurences of blanks
$l =~ s/^\s+//; # removing blanks at the beginning
$l =~ s/\s+$//; # removing trailing blanks
$l =~ s/\s*;$//; # removing trailing ;
push @res, $l;
}
return (@res);
}
# this routine is used to do some special code transformation,
# due to soem discrepancies between tcl/tk and perl/tk
# the following code is more or less dependant from the generated
# code by SVG2zinc.pm
#
# We assume is code has already been tcl-ised
sub hack {
my ($l) = @_;
if ($l =~ /^\$w\.zinc fontCreate/) {
# this works because I know how fontCreate is used in SVG2zinc
$l =~ s/\$w\.zinc fontCreate/font create/;
$l =~ s/-weight medium/-weight normal/;
}
return $l;
}
1;
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