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package MojoMojo::Formatter::DocBook;
use strict;
use warnings;
use parent qw/MojoMojo::Formatter/;
eval
"use XML::LibXSLT;use XML::SAX::ParserFactory (); use XML::LibXML::Reader;";
my $eval_res = $@;
use MojoMojo::Formatter::DocBook::Colorize;
my $xsltfile =
"/usr/share/sgml/docbook/stylesheet/xsl/nwalsh/xhtml/docbook.xsl";
=head2 module_loaded
Return true if the module is loaded.
=cut
sub module_loaded
{
return 0 unless -f $xsltfile;
return $eval_res ? 0 : 1;
}
my $debug = 0;
=head1 NAME
MojoMojo::Formatter::DocBook - format part of content as DocBook
=head1 DESCRIPTION
This formatter will format content between two =docbook blocks as
DocBook document.
=head1 METHODS
=head2 format_content_order
Format order can be 1-99. The DocBook formatter runs on 10.
=cut
sub format_content_order { 10 }
=head2 format_content
Calls the formatter. Takes a ref to the content as well as the
context object.
=cut
sub format_content
{
my ($class, $content, $c) = @_;
my @lines = split /\n/, $$content;
my $dbk;
$$content = "";
my $start_re = $class->gen_re(qr/docbook/);
my $end_re = $class->gen_re(qr/end/);
foreach my $line (@lines)
{
if ($dbk)
{
if ($line =~ m/^(.*)$end_re(.*)$/)
{
$$content .= $class->to_xhtml($dbk);
$dbk = "";
}
else { $dbk .= $line . "\n"; }
}
else
{
if ($line =~ m/^(.*)$start_re(.*)$/)
{
$$content .= $1;
$dbk = " " . $2; # make it true :)
}
else { $$content .= $line . "\n"; }
}
}
}
=head2 to_xhtml <dbk>
Takes DocBook documentation and renders it as XHTML.
=cut
sub to_xhtml
{
my ($class, $dbk) = @_;
my $result;
# Beurk
$dbk =~ s/&/_-_amp_-_;/g;
$dbk =~ s/^\s+//;
$dbk =~ s/^\n+//;
# 1 - Mark lang
# <programlisting lang="..."> to <programlisting lang="...">[lang=...] code [/lang]
my $my_Handler = MojoMojo::Formatter::DocBook::Colorize->new($debug);
$my_Handler->step('marklang');
my $parsersax = XML::SAX::ParserFactory->parser(Handler => $my_Handler,);
my @markeddbk = eval { $parsersax->parse_string($dbk) };
if ($@)
{
return "\nDocument malformed : $@\n";
}
# 2 - Transform with xslt
my $parser = XML::LibXML->new();
my $xslt = XML::LibXSLT->new();
my $source = eval { $parser->parse_string("@markeddbk") };
if ($@)
{
return "\nDocument malformed : line $@\n";
}
my $style_doc = $parser->parse_file($xsltfile);
my $stylesheet = eval { $xslt->parse_stylesheet($style_doc); };
# warn "@_" if @_;
#return "XHTML XHTML XHTML";
# C'est ici que l'on peut ajouter le css, LANG ...
# voir http://docbook.sourceforge.net/release/xsl/current/doc/html/index.html
# et http://www.sagehill.net/docbookxsl
my $results = $stylesheet->transform(
$source,
XML::LibXSLT::xpath_to_string(
'section.autolabel' => '1',
'chapter.autolabel' => '1',
'suppress.navigation' => '1',
'generate.toc' => '0'
)
);
my $format = 0;
my $string = eval { $results->toString($format); };
# 3 - Colorize Code [lang=...] ... code ... [/lang]
$my_Handler->step('colorize');
my @colorized = $parsersax->parse_string($string);
$string = "@colorized";
$string =~ s/_-_amp_-_;/&/g;
# 4 - filter
# To adapt to mojomojo
# delete <?xml version ...>, <html>,</html>,<head>,</head>,<body>,</body>
$string =~ s/^.*<body>//s;
$string =~ s/<\/body>.*<\/html>//s;
$string =~ s/<a id=\"id\d*\"><\/a>//g;
$string =~ s/clear:\sboth//g;
return $string;
}
=head1 SEE ALSO
L<MojoMojo>, L<Module::Pluggable::Ordered>
=head1 AUTHORS
Daniel Brosseau <dab@catapulse.org>
=head1 LICENSE
This library is free software. You can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
1;
|
