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#!/usr/bin/perl
#	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
#
##################################################################

package MTools::SVG::SVGLoader;

use strict;
use Carp;

use MTools;
use SVG::SVG2zinc;

sub load {
	my ($path, $topgroup) = @_;
	$topgroup = ref($topgroup) eq ''?$topgroup:$topgroup -> {instance};
	my $svgfile = $path;
	my $tag;
	my $ftag;

	my $autogenPath = defined $pathForAutogen ? $pathForAutogen : 'AUTOGEN::';

	if (index($svgfile, '#') == -1)
	{
		$tag = '';
		$ftag = '';
	}
	else
	{
		$svgfile = substr ($path, 0, index ($path, '#'));
		$tag = substr ($path, index ($path, '#') + 1, length ($path));
		$ftag = "::$tag";
	}

	if($svgfile =~ /(.*)\.svg/)
	{
		my $filename = $1;
		my $svgfile = Tk::findINC ("$filename.svg");
		my $filepath = $autogenPath.$filename;
		$filepath = "$filepath$ftag.pm";
		$filepath =~ s/::/\//g;
		$filename =~ s/\//::/g;
		if (defined $svgfile)
		{
#			print STDERR "##### Error undefined file $filename.svg\n";
			my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks) = stat($svgfile);
			my ($dev2,$ino2,$mode2,$nlink2,$uid2,$gid2,$rdev2,$size2,$atime2,$mtime2,$ctime2,$blksize2,$blocks2) = (0,0,0,0,0,0,0,0,0,0,0,0,0);
			if(-e $filepath)
			{
				($dev2,$ino2,$mode2,$nlink2,$uid2,$gid2,$rdev2,$size2,$atime2,$mtime2,$ctime2,$blksize2,$blocks2) = stat($filepath);	
			}
			if( $mtime2 < $mtime )
			{
				print "Regenarate SVG modified\n";
				my $pack = $filename;
				SVG::SVG2zinc::parsefile(
					$svgfile, 
					"PerlClass",
					-out => "$autogenPath$filename$ftag.pm",
				  	-verbose => 0,
				  	-render => 1,
				  	-namespace => 0,
					-target => $tag
				);
			}
		}
		
		require "$filepath";
		my $packagename = "$autogenPath$filename$ftag";

		return new $packagename (
			-zinc => $zinc,
			-topgroup => $topgroup,
		);
	}
		
}

1;