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# Copyright (C) 2012 Patrick "P. J." McDermott
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
use warnings;
use MarkdownBook::Document;
use Text::Markdown;
use HTML::Template;
package MarkdownBook::Document::HTML;
our @ISA = qw(MarkdownBook::Document);
sub output
{
my ($self) = @_;
my $text;
my $doc;
my $sec;
$text = $self->{'book'}->subst_macros(
$self->{'source_text'});
$text .= "\n\n";
foreach $doc (@{$self->{'book'}->documents()}) {
$text .= "\n";
$text .= '[';
$text .= $doc->file();
$text .= ']: ';
$text .= $doc->file();
$text .= '.html';
foreach $sec (@{$doc->sections()}) {
$text .= "\n";
$text .= '[';
$text .= $sec->id();
$text .= ']: ';
$text .= $doc->file();
$text .= '.html#';
$text .= $sec->id();
}
}
$text = Text::Markdown::Markdown($text);
$self->_do_set_heading_id_attrs($text);
$self->_do_output_template();
$self->{'tree'}->delete();
}
sub _do_set_heading_id_attrs
{
my ($self, $text) = @_;
my @headers;
my $header;
my $i = -1;
$self->{'tree'} = HTML::TreeBuilder->new();
$self->{'tree'}->parse($text);
$self->{'tree'}->eof($text);
@{$self->{'tree_body'}} = MarkdownBook::HTMLTree::find_elements_by_tag_names(
$self->{'tree'}, ('body'));
if ($self->{'type'} eq 'index') {
return;
}
@headers = MarkdownBook::HTMLTree::find_elements_by_tag_names(
@{$self->{'tree_body'}}[0], ('h1', 'h2'));
foreach $header (@headers) {
$header->attr('id', ${$self->{'sections'}}[++$i]->id());
}
}
sub _do_output_template
{
my ($self) = @_;
my $doc_tmpl;
my %opt_end_tags;
my $elem;
my $body;
my $doc_fh;
$doc_tmpl = HTML::Template->new(filename => 'include/document.tmpl');
# Don't omit any end tags.
%opt_end_tags = map([$_ => 0], %HTML::Element::optionalEndTag);
foreach $elem (@{$self->{'tree_body'}}[0]->content_list()) {
# It's safe to assume (ref($elem) eq 'HTML::Element').
$body .= $elem->as_HTML('<>&', '', \%opt_end_tags) . "\n";
}
$doc_tmpl->param(IS_INDEX => ($self->{'type'} eq 'index'));
$doc_tmpl->param(BOOK_TITLE => $self->{'book'}->title());
$doc_tmpl->param(TITLE => $self->{'title'});
$doc_tmpl->param(CHAPT_TITLE => $self->full_title());
if (defined($self->{'prev'})) {
$doc_tmpl->param(PREV_LINK => $self->{'prev'}->file() . '.html');
$doc_tmpl->param(PREV_TITLE => $self->{'prev'}->title());
} else {
$doc_tmpl->param(PREV_LINK => undef);
$doc_tmpl->param(PREV_TITLE => undef);
}
if (defined($self->{'next'})) {
$doc_tmpl->param(NEXT_LINK => $self->{'next'}->file() . '.html');
$doc_tmpl->param(NEXT_TITLE => $self->{'next'}->title());
} else {
$doc_tmpl->param(NEXT_LINK => undef);
$doc_tmpl->param(NEXT_TITLE => undef);
}
$doc_tmpl->param(BODY => $body);
open($doc_fh, '>', $self->file_path() . '.html');
$doc_tmpl->output(print_to => $doc_fh);
close($doc_fh);
}
1;
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