Add post-processing script and modules.

6 files changed, 556 insertions, 0 deletions

diff --git a/scripts/MarkdownBook/Book.pm b/scripts/MarkdownBook/Book.pm
new file mode 100644
index 0000000..f2d723a
--- /dev/null
+++ b/scripts/MarkdownBook/Book.pm
@@ -0,0 +1,193 @@
+# 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::Index;
+use MarkdownBook::Document::Chapter;
+use MarkdownBook::Document::Appendix;
+use HTML::Template;
+
+package MarkdownBook::Book;
+
+sub new
+{
+	my ($class, $dir) = @_;
+	my $self;
+	my $control_fh;
+
+	$class = ref($class) || $class;
+	$self = {};
+	bless($self,$class);
+	$self->{'dir'} = $dir;
+	$self->{'docs'} = [];
+
+	open($control_fh, '<', $dir . '/control');
+	while (<$control_fh>) {
+		chomp($_);
+		if (m/^Title: /) {
+			s/^Title: (.*)$/$1/;
+			$self->{'title'} = $_;
+		}
+	}
+	close($control_fh);
+
+	return $self;
+}
+
+sub dir
+{
+	my ($self, $dir) = @_;
+	my $old = $self->{'dir'};
+
+	$self->{'dir'} = $dir if defined($dir);
+
+	return $old;
+}
+
+sub title
+{
+	my ($self, $title) = @_;
+	my $old = $self->{'title'};
+
+	$self->{'title'} = $title if defined($title);
+
+	return $old;
+}
+
+sub create_documents
+{
+	my ($self) = @_;
+	my $series_fh;
+	my $file;
+	my $title;
+	my $i;
+	my $doc;
+	my $doc_prev;
+	my @letters;
+
+	$i = 0;
+	$doc = MarkdownBook::Document::Index->new($self);
+	$doc_prev = $doc;
+	push(@{$self->{'docs'}}, $doc);
+
+	open($series_fh, '<', $self->{'dir'} . '/chapters');
+	while (<$series_fh>) {
+		chomp($_);
+		($file, $title) = split(/[ \t]+/, $_, 2);
+		$doc = MarkdownBook::Document::Chapter->new($self, $file,
+			++$i, $title);
+		$doc->prev($doc_prev);
+		$doc_prev->next($doc) if defined $doc_prev;
+		$doc_prev = $doc;
+		push(@{$self->{'docs'}}, $doc);
+	}
+	close($series_fh);
+
+	$i = -1;
+	@letters = ('A' .. 'Z');
+
+	if (-e $self->{'dir'} . '/appendices') {
+		open($series_fh, '<', $self->{'dir'} . '/apendices');
+		while (<$series_fh>) {
+			chomp($_);
+			($file, $title) = split(/[ \t]+/, $_, 2);
+			$doc = MarkdownBook::Document::Appendix->new($self, $file,
+				$letters[++$i], $title);
+			$doc->prev($doc_prev);
+			$doc_prev->next($doc) if defined $doc_prev;
+			$doc_prev = $doc;
+			push(@{$self->{'docs'}}, $doc);
+		}
+		close($series_fh);
+	}
+}
+
+sub list_documents
+{
+	my ($self) = @_;
+	my $doc;
+
+	foreach $doc (@{$self->{'docs'}}) {
+		printf("Document:\n File: %s\n Title: %s\n Full Title: %s\n",
+			$doc->file(), $doc->title(), $doc->full_title());
+		printf(" Prev: %s\n", $doc->prev()->file()) if defined $doc->prev();
+		printf(" Next: %s\n", $doc->next()->file()) if defined $doc->next();
+	}
+}
+
+sub parse_documents
+{
+	my ($self) = @_;
+	my $doc;
+
+	foreach $doc (@{$self->{'docs'}}) {
+		$doc->parse_html();
+	}
+}
+
+sub number_sections
+{
+	my ($self) = @_;
+	my $doc;
+
+	foreach $doc (@{$self->{'docs'}}) {
+		$doc->number_sections();
+	}
+}
+
+sub write_templated_documents
+{
+	my ($self) = @_;
+	my $doc_tmpl;
+	my $doc;
+	my $doc_fh;
+
+	$doc_tmpl = HTML::Template->new(filename => 'include/document.tmpl');
+
+	foreach $doc (@{$self->{'docs'}}) {
+
+		$doc_tmpl->param(
+			IS_INDEX => (ref($doc_tmpl) eq 'MarkdownBook::Document::Index'));
+
+		$doc_tmpl->param(BOOK_TITLE => $self->{'title'});
+		$doc_tmpl->param(TITLE => $doc->title());
+		$doc_tmpl->param(CHAPT_TITLE => $doc->full_title());
+
+		if (defined($doc->prev())) {
+			$doc_tmpl->param(PREV_LINK => $doc->prev()->file() . '.html');
+			$doc_tmpl->param(PREV_TITLE => $doc->prev()->title());
+		} else {
+			$doc_tmpl->param(PREV_LINK => undef);
+			$doc_tmpl->param(PREV_TITLE => undef);
+		}
+		if (defined($doc->next())) {
+			$doc_tmpl->param(NEXT_LINK => $doc->next()->file() . '.html');
+			$doc_tmpl->param(NEXT_TITLE => $doc->next()->title());
+		} else {
+			$doc_tmpl->param(NEXT_LINK => undef);
+			$doc_tmpl->param(NEXT_TITLE => undef);
+		}
+
+		$doc_tmpl->param(BODY => $doc->output());
+
+		open($doc_fh, '>', $doc->file_path() . '.html');
+		$doc_tmpl->output(print_to => $doc_fh);
+		close($doc_fh);
+	}
+}
+
+1;
diff --git a/scripts/MarkdownBook/Document.pm b/scripts/MarkdownBook/Document.pm
new file mode 100644
index 0000000..f9b9a13
--- /dev/null
+++ b/scripts/MarkdownBook/Document.pm
@@ -0,0 +1,180 @@
+# 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::HTMLTree;
+use HTML::TreeBuilder;
+
+package MarkdownBook::Document;
+
+sub new
+{
+	my ($class, $book, $file, $id, $title) = @_;
+	my $self;
+
+	$class = ref($class) || $class;
+	$self = {};
+	bless($self,$class);
+	$self->{'book'} = $book;
+	$self->{'file'} = $file;
+	$self->{'id'} = $id;
+	$self->{'title'} = $title;
+
+	return $self;
+}
+
+sub book
+{
+	my ($self, $book) = @_;
+	my $old = $self->{'book'};
+
+	$self->{'book'} = $book if defined($book);
+
+	return $old;
+}
+
+sub file
+{
+	my ($self, $file) = @_;
+	my $old = $self->{'file'};
+
+	$self->{'file'} = $file if defined($file);
+
+	return $old;
+}
+
+sub file_path
+{
+	my ($self) = @_;
+
+	return $self->{'book'}->dir() . '/' . $self->{'file'};
+}
+
+sub title
+{
+	my ($self, $title) = @_;
+	my $old = $self->{'title'};
+
+	$self->{'title'} = $title if defined($title);
+
+	return $old;
+}
+
+sub prev
+{
+	my ($self, $other) = @_;
+	my $old = $self->{'prev'};
+
+	$self->{'prev'} = $other if defined($other);
+
+	return $old;
+}
+
+sub next
+{
+	my ($self, $other) = @_;
+	my $old = $self->{'next'};
+
+	$self->{'next'} = $other if defined($other);
+
+	return $old;
+}
+
+sub parse_html
+{
+	my ($self) = @_;
+	my $file = $self->{'book'}->dir() . '/' . $self->{'file'} . '.html.in';
+
+	$self->{'tree'} = HTML::TreeBuilder->new();
+	$self->{'tree'}->parse_file($file);
+}
+
+sub number_sections
+{
+	my ($self) = @_;
+
+	my @headers;
+	my $header;
+	my @secnums = (0, 0);
+	my $curlev = -1;
+	my $newlev;
+	my $secstr;
+	my @children;
+	my $sectitle;
+	my $secid;
+
+	@{$self->{'tree_body'}} = MarkdownBook::HTMLTree::find_elements_by_tag_names(
+		$self->{'tree'}, ('body'));
+	@headers = MarkdownBook::HTMLTree::find_elements_by_tag_names(
+		@{$self->{'tree_body'}}[0], ('h1', 'h2'));
+
+	foreach $header (@headers) {
+
+		# Calculate section number.
+		$newlev = $header->tag();
+		$newlev =~ s/^h(\d)$/$1/;
+		if ($newlev != $curlev) {
+			foreach (@secnums[$newlev .. $#secnums]) {
+				$_ = 0;
+			}
+		}
+		$curlev = $newlev;
+		++$secnums[$newlev - 1];
+		$secstr = join('.', @secnums);
+		$secstr =~ s/(\.0)*$//;
+
+		MarkdownBook::HTMLTree::each_text(sub {
+
+				# Prefix section title with section number.
+				my $sectitle = $_[1];
+				$sectitle =~ s/^([^\[]+)[ ]*\[[^\]]+\]$/$_[2].$secstr $1/;
+
+				# Set "id" attribute.
+				if ($_[1] =~ m/^[^\[\]]*\[([^\]]+)\][^\[\]]*$/) {
+					my $secid = $_[1];
+					$secid =~ s/^[^\[\]]*\[([^\]]+)\][^\[\]]*$/$1/;
+					${$_[0]}->attr('id', $secid);
+				}
+
+				# Set section title.
+				$_[1] = $sectitle;
+
+			}, $header, $self->{'id'});
+
+	}
+}
+
+sub output
+{
+	my ($self) = @_;
+
+	my $elem;
+	my %opt_end_tags;
+	my $out;
+
+	# Don't omit any end tags.
+	%opt_end_tags = map([$_ => 0], %HTML::Element::optionalEndTag);
+
+	foreach $elem (@{$self->{'tree_body'}}[0]->content_list()) {
+		# It's safe to assume (ref($elem) eq 'HTML::Element').
+		$out .= $elem->as_HTML('<>&', '', \%opt_end_tags) . "\n";
+	}
+
+	return $out;
+}
+
+1;
diff --git a/scripts/MarkdownBook/Document/Appendix.pm b/scripts/MarkdownBook/Document/Appendix.pm
new file mode 100644
index 0000000..37d3cf8
--- /dev/null
+++ b/scripts/MarkdownBook/Document/Appendix.pm
@@ -0,0 +1,32 @@
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+use strict;
+use warnings;
+
+use MarkdownBook::Document;
+
+package MarkdownBook::Document::Appendix;
+
+our @ISA = qw(MarkdownBook::Document);
+
+sub full_title
+{
+	my ($self) = @_;
+
+	return sprintf('Appendix %s - %s', $self->{'id'}, $self->{'title'});
+}
+
+1;
diff --git a/scripts/MarkdownBook/Document/Chapter.pm b/scripts/MarkdownBook/Document/Chapter.pm
new file mode 100644
index 0000000..90a5f5c
--- /dev/null
+++ b/scripts/MarkdownBook/Document/Chapter.pm
@@ -0,0 +1,32 @@
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+use strict;
+use warnings;
+
+use MarkdownBook::Document;
+
+package MarkdownBook::Document::Chapter;
+
+our @ISA = qw(MarkdownBook::Document);
+
+sub full_title
+{
+	my ($self) = @_;
+
+	return sprintf('Chapter %d - %s', $self->{'id'}, $self->{'title'});
+}
+
+1;
diff --git a/scripts/MarkdownBook/Document/Index.pm b/scripts/MarkdownBook/Document/Index.pm
new file mode 100644
index 0000000..e005396
--- /dev/null
+++ b/scripts/MarkdownBook/Document/Index.pm
@@ -0,0 +1,47 @@
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+use strict;
+use warnings;
+
+use MarkdownBook::Document;
+
+package MarkdownBook::Document::Index;
+
+our @ISA = qw(MarkdownBook::Document);
+
+sub new
+{
+	my ($class, $book) = @_;
+	my $self;
+
+	$class = ref($class) || $class;
+	$self = {};
+	bless($self,$class);
+	$self->{'book'} = $book;
+	$self->{'file'} = 'index';
+	$self->{'title'} = $book->title();
+
+	return $self;
+}
+
+sub full_title
+{
+	my ($self) = @_;
+
+	return undef;
+}
+
+1;
diff --git a/scripts/MarkdownBook/HTMLTree.pm b/scripts/MarkdownBook/HTMLTree.pm
new file mode 100644
index 0000000..27db3e1
--- /dev/null
+++ b/scripts/MarkdownBook/HTMLTree.pm
@@ -0,0 +1,72 @@
+# 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 HTML::Element;
+
+package MarkdownBook::HTMLTree;
+
+sub find_elements_by_tag_names
+{
+	my ($elem, @tagnames) = @_;
+
+	my @list = $elem->content_list();
+	my $tag;
+	my @retlist = ();
+
+	foreach (@list) {
+		if (ref($_) ne 'HTML::Element') {
+			next;
+		}
+		$tag = $_->tag();
+		if (grep($_ eq $tag, @tagnames)) {
+			push(@retlist, $_);
+		}
+	}
+
+	return @retlist;
+}
+
+sub each_text
+{
+	my ($code, $elem, @args) = @_;
+
+	my $child = $elem;
+	my $root = $elem;
+
+	_each_text_recursive($code, $child, $root, @args);
+}
+
+sub _each_text_recursive
+{
+	my ($code, $elem, $root, @args) = @_;
+
+	my $child;
+	my $i = -1;
+
+	foreach $child ($elem->content_list()) {
+		++$i;
+		if (ref($_) eq 'HTML::Element') {
+			_each_text_recursive($code, $child, $root, @args);
+		} else {
+			$code->(\$root, $child, @args);
+			$elem->splice_content($i, 1, $child);
+		}
+	}
+}
+
+1;