#!/usr/bin/perl
+#
use strict;
use warnings;
-use CSS::Minifier::XS;
+
+use CSS::Minifier::XS 0.07;
use File::Copy;
use File::Find;
use File::Slurp;
use File::Spec;
use Getopt::Long;
use JavaScript::Minifier::XS;
+use Pod::Usage;
use XML::LibXML;
use XML::LibXSLT;
}
my $section_title = $section->findvalue('title');
- $index{$section_id} =
- { chapter_id => $chapter_counter, chapter_title => $chapter_title, section_id => $section_counter };
+ $index{$section_id} = {
+ chapter_id => $chapter_counter,
+ chapter_title => $chapter_title,
+ section_id => $section_counter,
+ section_title => $section_title
+ };
}
}
+ ## Build indexes as new chapters
+ build_indexes( $xml, $prepend_chapter, \%index );
## Replace all of the xrefs in the XML
foreach my $xref ( $xml->findnodes('//xref') ) {
if ( exists $index{$linkend} ) {
$xref->setAttribute( 'chapter_id', $index{$linkend}{'chapter_id'} );
$xref->setAttribute( 'chapter_title', $index{$linkend}{'chapter_title'} );
- $xref->setAttribute( 'section_id', $index{$linkend}{'section_id'} ) if $index{$linkend}{'section_id'};
+ $xref->setAttribute( 'section_id', $index{$linkend}{'section_id'} ) if ( $index{$linkend}{'section_id'} );
+ $xref->setAttribute( 'section_title', $index{$linkend}{'section_title'} ) if ( $index{$linkend}{'section_title'} );
$xref->setAttribute( 'url',
sprintf( '%sch%02d.html', $prepend_chapter, $index{$linkend}{'chapter_id'} )
. ( $index{$linkend}{'section_id'} ? '#' . $linkend : '' ) );
}
}
+## Build indexes
+sub build_indexes {
+ my ( $xml, $prepend_chapter, $xref ) = @_;
+
+ my $index_hash = {};
+ my $current_id;
+ foreach my $node ( $xml->findnodes('//section | //chapter | //indexterm') ) {
+ if ( $node->nodeName eq 'indexterm' ) {
+ my $role = $node->getAttribute('role') || 'concept';
+ my $primary = $node->findvalue('child::primary');
+ my $first = ( $primary =~ /^[A-Za-z]/ ) ? uc( substr( $primary, 0, 1 ) ) : ''; # first letter or marker
+ my $secondary = $node->findvalue('child::secondary') || '';
+ next unless ( $primary || $secondary ); # skip blank entries for now...
+ $index_hash->{$role}{$first}{$primary}{$secondary} ||= [];
+ push @{ $index_hash->{$role}{$first}{$primary}{$secondary} }, $current_id;
+ }
+ else {
+ $current_id = $node->getAttribute('id');
+ }
+ }
+
+ # now we build a set of new chapters with the index data in
+ my $book = ( $xml->findnodes('/book') )[0];
+ foreach my $role ( sort { $a cmp $b } keys %{$index_hash} ) {
+ my $chapter = XML::LibXML::Element->new('chapter');
+ $book->appendChild($chapter);
+ $chapter->setAttribute( 'id', join( '_', 'index', $role ) );
+ $chapter->setAttribute( 'class', 'index' );
+ $chapter->appendTextChild( 'title', ( ucfirst($role) . ' Index' ) );
+ foreach my $first ( sort { $a cmp $b } keys %{ $index_hash->{$role} } ) {
+ my $section = XML::LibXML::Element->new('section');
+ my $list = XML::LibXML::Element->new('variablelist');
+ $chapter->appendChild($section);
+ $section->setAttribute( 'id', join( '_', 'index', $role, $first ) );
+ $section->setAttribute( 'class', 'index' );
+ $section->appendTextChild( 'title', $first ? $first : 'Symbols' );
+ $section->appendChild($list);
+ foreach my $primary ( sort { $a cmp $b } keys %{ $index_hash->{$role}{$first} } ) {
+ my $entry = XML::LibXML::Element->new('varlistentry');
+ my $item = XML::LibXML::Element->new('listitem');
+ $list->appendChild($entry)->appendTextChild( 'term', $primary );
+ $entry->appendChild($item);
+ my $slist;
+ foreach my $secondary ( sort { $a cmp $b } keys %{ $index_hash->{$role}{$first}{$primary} } ) {
+ my $para = XML::LibXML::Element->new('para');
+ if ( $secondary eq '' ) {
+ $item->appendChild($para); # skip having extra layer of heirarchy
+ }
+ else {
+ unless ($slist) {
+ $slist = XML::LibXML::Element->new('variablelist');
+ $item->appendChild($slist);
+ }
+ my $sentry = XML::LibXML::Element->new('varlistentry');
+ my $sitem = XML::LibXML::Element->new('listitem');
+ $slist->appendChild($sentry)->appendTextChild( 'term', $secondary );
+ $sentry->appendChild($sitem)->appendChild($para);
+ }
+ my $count = 0;
+ foreach my $ref ( @{ $index_hash->{$role}{$first}{$primary}{$secondary} } ) {
+ $para->appendText(', ')
+ if ( $count++ );
+ my $xrefel = XML::LibXML::Element->new('xref');
+ $xrefel->setAttribute( linkend => $ref );
+ $xrefel->setAttribute( longref => 1 );
+ $para->appendChild($xrefel);
+ }
+ }
+ }
+ }
+ }
+}
+
## Handle the transformation
sub transform {
my ( $xml, $xsl_path, $out_path ) = @_;
mkdirp( ( $out_path =~ /^(.+)\/.+$/ )[0] );
## Write out the document
- open my $out, '>', $out_path or die $!;
+ open my $out, '>', $out_path or die "Unable to write $out_path - $!";
print $out $stylesheet->output_as_bytes($doc);
close $out;
}
}
}
+## error_help
+sub error_help {
+ my $msg = shift;
+
+ warn $msg;
+ pod2usage( -exitval => 1, -verbose => 0 );
+}
+
## Parse arguments
sub parse_arguments {
- my %opt = ( spec => [], filter => [], help => 0, web => 0, minify => 1 );
- GetOptions( \%opt, 'help|h!', 'web!', 'spec=s{}', 'filter=s{}', 'latest=s', 'tmpl=s', 'docroot=s', 'minify!' )
- || help( 1, 'Bad options' );
+ my %opt = ( spec => [], filter => [], help => 0, man => 0, web => 0, minify => 1 );
+ GetOptions( \%opt, 'help|h!', 'man!', 'web!', 'spec=s{1,}', 'filter=s{1,}', 'latest=s', 'tmpl=s', 'docroot=s', 'minify!' )
+ || pod2usage( -exitval => 1, -verbose => 0 );
## --help
- help(0) if ( $opt{help} );
+ pod2usage(0) if ( $opt{help} );
+ pod2usage( -verbose => 2 ) if ( $opt{man} );
## --spec and --filter lists
foreach my $set (qw[spec filter]) {
$opt{$set} = [ map { my $f = File::Spec->rel2abs($_); help( 1, 'No such file: ' . $_ ) unless -f $f; $f } @{ $opt{$set} } ];
}
## --latest
- help( 1, 'Missing value for latest' ) unless ( exists( $opt{latest} ) && defined( $opt{latest} ) );
- help( 1, 'Invalid value for latest' ) unless $opt{latest} =~ /^\d+(?:\.\d+)*$/;
+ error_help('Missing value for latest') unless ( exists( $opt{latest} ) && defined( $opt{latest} ) );
+ error_help('Invalid value for latest') unless $opt{latest} =~ /^\d+(?:\.\d+)*$/;
## --tmpl and --docroot
foreach my $set (qw[tmpl docroot]) {
- help( 1, 'Missing value for ' . $set ) unless ( exists( $opt{$set} ) && defined( $opt{$set} ) );
+ error_help( 'Missing value for ' . $set ) unless ( exists( $opt{$set} ) && defined( $opt{$set} ) );
my $f = File::Spec->rel2abs( $opt{$set} );
- help( 1, 'No such directory: ' . $opt{$set} ) unless -d $f;
+ error_help( 'No such directory: ' . $opt{$set} ) unless -d $f;
$opt{$set} = $f;
}
- help( 1, 'Excess arguments' ) if ( scalar(@ARGV) );
+ error_help('Excess arguments') if ( scalar(@ARGV) );
- help( 1, 'Must include at least one of --web, --spec or --filter' )
+ error_help('Must include at least one of --web, --spec or --filter')
unless ( defined $opt{web} || scalar( @{ $opt{spec} } ) || scalar( @{ $opt{web} } ) );
return %opt;
}
-## Help information
-sub help {
- my ( $exit_code, $msg ) = @_;
+1;
- print "$msg\n\n" if defined $msg;
+__END__
- print << "END_HELP";
-Options:
- --help or -h : Print this help information and then exit
+=head1 NAME
- --web : Generate the general website pages
- --spec PATH : Generate the spec pages. PATH is the path to the spec.xml
- --filter PATH : Generate the filter pages. PATH is the path to the filter.xml
+gen.pl - Generate exim html documentation and website
- One or more of the above three options are required. --spec and --filter can
- take multiple values to generate different sets of documentation for
- different versions at the same time.
+=head1 SYNOPSIS
- --latest VERSION : Required. Specify the latest stable version of Exim.
- --tmpl PATH : Required. Path to the templates directory
- --docroot PATH : Required. Path to the website document root
+gen.pl [options]
- If CSS::Minifier::XS is installed, then CSS will be minified.
- If JavaScript::Minifier::XS is installed, then JavaScript will be minified.
+ Options:
+ --help display this help and exits
+ --man displays man page
+ --spec file... spec docbook/XML source files
+ --filter file... filter docbook/XML source files
+ --web Generate the general website pages
+ --latest VERSION Required. Specify the latest stable version of Exim.
+ --tmpl PATH Required. Path to the templates directory
+ --docroot PATH Required. Path to the website document root
+ --[no-]minify [Don't] minify CSS and Javascript
-Example:
+=head1 OPTIONS
- ./gen.pl --latest 4.72
- --web
- --spec spec.xml 4.71/spec.xml
- --filter filter.xml 4.71/filter.xml
- --tmpl ~/www/templates
- --docroot ~/www/docroot
-END_HELP
+=over 4
+
+=item B<--help>
+
+Display help and exits
+
+=item B<--man>
+
+Display man page
+
+=item B<--spec> I<file...>
+
+List of files that make up the specification documentation
+docbook/XML source files.
+
+=item B<--filter> I<file...>
+
+List of files that make up the filter documentation docbook/XML
+source files.
+
+=item B<--web>
+
+Generate the website from the template files.
+
+=item B<--latest> I<version>
+
+Specify the current exim version. This is used to create links to
+the current documentation.
+
+This option is I<required>
+
+=item B<--tmpl> I<directory>
+
+Specify the directory that the templates are kept in.
+
+This option is I<required>
+
+=item B<--docroot> I<directory>
+
+Specify the directory that the output should be generated into.
+This is the website C<docroot> directory.
+
+This option is I<required>
+
+=item B<--minify>
+
+If this option is set then both the CSS and Javascript files
+processed are minified using L<CSS::Minifier::XS> and
+L<JavaScript::Minifier::XS> respectively.
+
+This option is set by default - to disable it specify C<--no-minify>
+
+=back
+
+=head1 DESCRIPTION
+
+Generates the exim website and HTML documentation.
+
+=head1 EXAMPLE
+
+ script/gen.pl \
+ --web \
+ --spec docbook/*/spec.xml \
+ --filter docbook/*/filter.xml \
+ --latest 4.72 \
+ --tmpl templates \
+ --docroot /tmp/website
+
+=head1 AUTHOR
+
+Mike Cardwell
+
+Nigel Metheringham <nigel@exim.org> - mostly broke the framework
+Mike produced.
+
+=head1 COPYRIGHT
+
+Copyright 2010 Exim Maintainers. All rights reserved.
+
+=cut
- exit($exit_code);
-}