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#=======================================================================
# ____ ____ _____ _ ____ ___ ____
# | _ \| _ \| ___| _ _ / \ | _ \_ _| |___ \
# | |_) | | | | |_ (_) (_) / _ \ | |_) | | __) |
# | __/| |_| | _| _ _ / ___ \| __/| | / __/
# |_| |____/|_| (_) (_) /_/ \_\_| |___| |_____|
#
# A Perl Module Chain to faciliate the Creation and Modification
# of High-Quality "Portable Document Format (PDF)" Files.
#
# Copyright 1999-2005 Alfred Reibenschuh <areibens@cpan.org>.
#
#=======================================================================
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
# $Id: Markup.pm,v 1.5 2005/03/14 22:01:06 fredo Exp $
#
#=======================================================================
package PDF::API2::Content::Text::Markup::XML;
BEGIN {
use strict;
use vars qw(@ISA);
use XML::Parser;
@ISA = qw(XML::Parser);
}
sub new {
my $class=shift @_;
my $self = $class->SUPER::new(
Handlers => {
Start => \&xmlStartTag,
End => \&xmlEndTag,
Char => \&xmlChars,
},
ProtocolEncoding => 'UTF-8',
ErrorContext => 3,
Pkg => $class,
);
$self->{pdfxmlstream}=[];
return($self);
}
sub pushstream {
my $self=shift @_;
push @{$self->{pdfxmlstream}},@_;
}
sub popstream {
my $self=shift @_;
return(pop @{$self->{pdfxmlstream}});
}
sub returnstreamref {
my $self=shift @_;
return($self->{pdfxmlstream});
}
sub xmlStartTag {
my ($self,$tag,%attr)=@_;
PDF::API2::Content::Text::Markup::XML::pushstream($self,[$tag,{%attr}]);
}
sub xmlEndTag {
my ($self,$tag)=@_;
PDF::API2::Content::Text::Markup::XML::pushstream($self,[$tag]);
}
sub xmlChars {
my ($self,$chars)=@_;
if($chars=~m|^[\s\012\015]+$|o) {
$chars=' ';
my $prev=PDF::API2::Content::Text::Markup::XML::popstream($self);
if(ref $prev) {
$chars=$prev;
} else {
PDF::API2::Content::Text::Markup::XML::pushstream($self,$prev);
}
} else {
chomp($chars);
$chars=~s|\s+| |go;
}
PDF::API2::Content::Text::Markup::XML::pushstream($self,$chars);
}
#=========================================================================================#
package PDF::API2::Content::Text::Markup;
BEGIN {
use strict;
use vars qw(@ISA $VERSION);
use PDF::API2::Util;
use PDF::API2::Basic::PDF::Utils;
use PDF::API2::Content;
@ISA = qw(PDF::API2::Content);
( $VERSION ) = '$Revision: 1.5 $' =~ /Revision: (\S+)\s/; # $Date: 2005/03/14 22:01:06 $
}
sub _parse_style {
# string should be
my $string=shift @_;
my @opts=split(/\s*;\s*/,$string);
my $style={};
foreach my $line (@opts) {
my ($key,$value) = split(/\s*:\s*/,$line);
$key=~s|^\s+||go;
$key=~s|\s+$||go;
$value=~s|^\s+||go;
$value=~s|\s+$||go;
$style->{$key} = [map { $_=~s|^\s+||go; $_=~s|\s+$||go; $_; } split(/,/,$value)];
}
return($style);
}
sub _parse_markup {
my ($self,$str)=@_;
my $xml = PDF::API2::Content::Text::Markup::XML->new;
$xml->parse($str);
my $stream=$xml->returnstreamref;
foreach my $t (@{$stream}) {
if((ref($t) eq 'ARRAY') && (scalar @{$t} > 1)) {
#print "<$t->[0]";
#if(scalar keys %{$t->[1]} > 0) {
# print ' '.join(' ', map { "$_=\"$t->[1]->{$_}\"" } keys %{$t->[1]});
#}
#print '>';
} elsif((ref($t) eq 'ARRAY') && (scalar @{$t} == 1)) {
#print "</$t->[0]>";
} else {
#print $t; # needs xml-escape !!
}
}
return();
}
1;
__END__
=head1 AUTHOR
some
=head1 HISTORY
$Log: Markup.pm,v $
Revision 1.5 2005/03/14 22:01:06 fredo
upd 2005
Revision 1.4 2004/06/15 09:14:41 fredo
removed cr+lf
Revision 1.3 2004/06/07 19:44:36 fredo
cleaned out cr+lf for lf
Revision 1.2 2004/02/01 21:32:29 fredo
added basic (yet unfinished) parsing code
Revision 1.1 2004/01/29 09:03:02 fredo
genesis
=cut
|
