X-Git-Url: https://git.exim.org/exim-website.git/blobdiff_plain/27ac44720ba0b617160e7c61604dd425184cf5c9..e293b434d8ba5041af650779ab16df0dbd3afacf:/script/gen.pl diff --git a/script/gen.pl b/script/gen.pl deleted file mode 100755 index bb94a7c..0000000 --- a/script/gen.pl +++ /dev/null @@ -1,520 +0,0 @@ -#!/usr/bin/env perl -# -use strict; -use warnings; - -use CSS::Minifier::XS 0.07; -use File::Copy; -use File::Find; -use File::Path qw(make_path); -use File::Slurp; -use File::Spec; -use Getopt::Long; -use JavaScript::Minifier::XS; -use Pod::Usage; -use XML::LibXML; -use XML::LibXSLT; - -my $canonical_url = 'http://www.exim.org/'; - -## Parse arguments -my %opt = parse_arguments(); - -## Generate the pages -my %cache; # General cache object -do_doc( 'spec', $_ ) foreach @{ $opt{spec} || [] }; -do_doc( 'filter', $_ ) foreach @{ $opt{filter} || [] }; -do_web() if exists $opt{web}; - -## Add the exim-html-current symlink -print "Symlinking exim-html-current to exim-html-$opt{latest}\n"; -unlink("$opt{docroot}/exim-html-current") if ( -l "$opt{docroot}/exim-html-current" ); -symlink( "exim-html-$opt{latest}", "$opt{docroot}/exim-html-current" ) - || die "symlink to $opt{docroot}/exim-html-current failed"; - -## Generate the website files -sub do_web { - - ## Make sure the template web directory exists - die "No such directory: $opt{tmpl}/web\n" unless -d "$opt{tmpl}/web"; - - ## Scan the web templates - find( - sub { - my ($path) = - substr( $File::Find::name, length("$opt{tmpl}/web"), length($File::Find::name) ) =~ m#^/*(.*)$#; - - if ( -d "$opt{tmpl}/web/$path" ) { - - ## Create the directory in the doc root if it doesn't exist - if ( !-d "$opt{docroot}/$path" ) { - mkdir("$opt{docroot}/$path") or die "Unable to make $opt{docroot}/$path: $!\n"; - } - - } - else { - - ## Build HTML from XSL files and simply copy static files which have changed - if ( $path =~ /(.+)\.xsl$/ ) { - print "Generating : docroot:/$1.html\n" if ( $opt{verbose} ); - transform( undef, "$opt{tmpl}/web/$path", "$opt{docroot}/$1.html" ); - } - elsif ( -f "$opt{tmpl}/web/$path" ) { - - ## Skip if the file hasn't changed (mtime based) - return - if -f "$opt{docroot}/$path" - && ( stat("$opt{tmpl}/web/$path") )[9] == ( stat("$opt{docroot}/$path") )[9]; - - if ( $path =~ /(.+)\.css$/ ) { - print "CSS to : docroot:/$path\n" if ( $opt{verbose} ); - my $content = read_file("$opt{tmpl}/web/$path"); - write_file( "$opt{docroot}/$path", - $opt{minify} ? CSS::Minifier::XS::minify($content) : $content ); - } - elsif ( $path =~ /(.+)\.js$/ ) { - print "JS to : docroot:/$path\n" if ( $opt{verbose} ); - my $content = read_file("$opt{tmpl}/web/$path"); - write_file( "$opt{docroot}/$path", - $opt{minify} ? JavaScript::Minifier::XS::minify($content) : $content ); - } - else { - ## Copy - print "Copying to : docroot:/$path\n" if ( $opt{verbose} ); - copy( "$opt{tmpl}/web/$path", "$opt{docroot}/$path" ) or die "$path: $!"; - } - ## Set mtime - utime( time, ( stat("$opt{tmpl}/web/$path") )[9], "$opt{docroot}/$path" ); - } - } - - }, - "$opt{tmpl}/web" - ); -} - -## Generate index/chapter files for a doc -sub do_doc { - my ( $type, $xml_path ) = @_; - - ## Read and validate the XML file - my $xml = XML::LibXML->new()->parse_file($xml_path) or die $!; - - ## Get the version number - my $version = $xml->findvalue('/book/bookinfo/revhistory/revision/revnumber'); - die "Unable to get version number\n" unless defined $version && $version =~ /^\d+(\.\d+)*$/; - - ## Prepend chapter filenames? - my $prepend_chapter = $type eq 'filter' ? 'filter_' : ''; - - ## Add the canonical url for this document - $xml->documentElement() - ->appendTextChild( 'canonical_url', - "${canonical_url}exim-html-current/doc/html/spec_html/" . ( $type eq 'spec' ? 'index' : 'filter' ) . ".html" ); - - ## Add a url for the latest version of this document - if ( $version ne $opt{latest} ) { - $xml->documentElement() - ->appendTextChild( 'current_url', - "../../../../exim-html-current/doc/html/spec_html/" . ( $type eq 'spec' ? 'index' : 'filter' ) . ".html" ); - } - - ## Fixup the XML - xref_fixup( $xml, $prepend_chapter ); - - ## Generate the front page - { - my $path = "exim-html-$version/doc/html/spec_html/" . ( $type eq 'filter' ? $type : 'index' ) . ".html"; - print "Generating : docroot:/$path\n"; - transform( $xml, "$opt{tmpl}/doc/index.xsl", "$opt{docroot}/$path", ); - } - - ## Generate a Table of Contents XML file - { - my $path = - "exim-html-$version/doc/html/spec_html/" . ( $type eq 'filter' ? 'filter_toc' : 'index_toc' ) . ".xml"; - print "Generating : docroot:/$path\n" if ( $opt{verbose} ); - transform( $xml, "$opt{tmpl}/doc/toc.xsl", "$opt{docroot}/$path", ); - } - - ## Generate the chapters - my $counter = 0; - my @chapters = map { $_->cloneNode(1) } $xml->findnodes('/book/chapter'); - foreach my $chapter (@chapters) { - - ## Add a N node for the stylesheet to use - $chapter->appendTextChild( 'chapter_id', ++$counter ); - - ## Add previous/next/canonical urls for nav - { - $chapter->appendTextChild( 'prev_url', - $counter == 1 - ? $type eq 'filter' - ? 'filter.html' - : 'index.html' - : sprintf( '%sch%02d.html', $prepend_chapter, $counter - 1 ) ); - $chapter->appendTextChild( 'next_url', sprintf( '%sch%02d.html', $prepend_chapter, $counter + 1 ) ) - unless int(@chapters) == $counter; - $chapter->appendTextChild( - 'canonical_url', - sprintf( - 'http://www.exim.org/exim-html-current/doc/html/spec_html/%sch%02d.html', - $prepend_chapter, $counter - ) - ); - if ( $version ne $opt{latest} ) { - $chapter->appendTextChild( - 'current_url', - sprintf( - '../../../../exim-html-current/doc/html/spec_html/%sch%02d.html', - $prepend_chapter, $counter - ) - ); - } - } - - ## Create an XML document from the chapter - my $doc = XML::LibXML::Document->createDocument( '1.0', 'UTF-8' ); - $doc->setDocumentElement($chapter); - - ## Transform the chapter into html - { - my $path = sprintf( 'exim-html-%s/doc/html/spec_html/%sch%02d.html', $version, $prepend_chapter, $counter ); - print "Generating : docroot:/$path\n" if ( $opt{verbose} ); - transform( $doc, "$opt{tmpl}/doc/chapter.xsl", "$opt{docroot}/$path", ); - } - } -} - -## Fixup xref tags -sub xref_fixup { - my ( $xml, $prepend_chapter ) = @_; - - my %index = (); - - ## Add the "prepend_chapter" info - ( $xml->findnodes('/book') )[0]->appendTextChild( 'prepend_chapter', $prepend_chapter ); - - ## Iterate over each chapter - my $chapter_counter = 0; - foreach my $chapter ( $xml->findnodes('/book/chapter') ) { - ++$chapter_counter; - - my $chapter_id = $chapter->getAttribute('id'); - unless ($chapter_id) { # synthesise missing id - $chapter_id = sprintf( 'chapter_noid_%04d', $chapter_counter ); - $chapter->setAttribute( 'id', $chapter_id ); - } - my $chapter_title = $chapter->findvalue('title'); - - $index{$chapter_id} = { chapter_id => $chapter_counter, chapter_title => $chapter_title }; - - ## Iterate over each section - my $section_counter = 0; - foreach my $section ( $chapter->findnodes('section') ) { - ++$section_counter; - - my $section_id = $section->getAttribute('id'); - unless ($section_id) { # synthesise missing id - $section_id = sprintf( 'section_noid_%04d_%04d', $chapter_counter, $section_counter ); - $section->setAttribute( 'id', $section_id ); - } - my $section_title = $section->findvalue('title'); - - $index{$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') ) { - my $linkend = $xref->getAttribute('linkend'); - 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_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 ) = @_; - - ## Build an empty XML structure if an undefined $xml was passed - unless ( defined $xml ) { - $xml = XML::LibXML::Document->createDocument( '1.0', 'UTF-8' ); - $xml->setDocumentElement( $xml->createElement('content') ); - } - - ## Add the current version of Exim to the XML - $xml->documentElement()->appendTextChild( 'current_version', $opt{latest} ); - - ## Add the old versions of Exim to the XML - $xml->documentElement()->appendTextChild( 'old_versions', $_ ) foreach old_docs_versions(); - - ## Parse the ".xsl" file as XML - my $xsl = XML::LibXML->new()->parse_file($xsl_path) or die $!; - - ## Generate a stylesheet from the ".xsl" XML. - my $stylesheet = XML::LibXSLT->new()->parse_stylesheet($xsl); - - ## Generate a doc from the XML transformed with the XSL - my $doc = $stylesheet->transform($xml); - - ## Make the containing directory if it doesn't exist - make_path( ( $out_path =~ /^(.+)\/.+$/ )[0], { verbose => 1 } ); - - ## Write out the document - open my $out, '>', $out_path or die "Unable to write $out_path - $!"; - print $out $stylesheet->output_as_bytes($doc); - close $out; -} - -## Look in the docroot for old versions of the documentation -sub old_docs_versions { - if ( !exists $cache{old_docs_versions} ) { - my @versions; - foreach ( glob("$opt{docroot}/exim-html-*") ) { - push @versions, $1 if /-(\d+(?:\.\d+)?)$/ && $1 < $opt{latest} && -d $_; - } - $cache{old_docs_versions} = [ reverse sort { $a <=> $b } @versions ]; - } - return @{ $cache{old_docs_versions} }; -} - -## 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, man => 0, web => 0, minify => 1, verbose => 0 ); - GetOptions( - \%opt, 'help|h!', 'man!', 'web!', 'spec=s{1,}', 'filter=s{1,}', - 'latest=s', 'tmpl=s', 'docroot=s', 'minify!', 'verbose!' - ) || pod2usage( -exitval => 1, -verbose => 0 ); - - ## --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 - 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]) { - error_help( 'Missing value for ' . $set ) unless ( exists( $opt{$set} ) && defined( $opt{$set} ) ); - my $f = File::Spec->rel2abs( $opt{$set} ); - error_help( 'No such directory: ' . $opt{$set} ) unless -d $f; - $opt{$set} = $f; - } - error_help('Excess arguments') if ( scalar(@ARGV) ); - - error_help('Must include at least one of --web, --spec or --filter') - unless ( $opt{web} || scalar( @{ $opt{spec} || [] } ) || scalar( @{ $opt{filter} || [] } ) ); - - return %opt; -} - -1; - -__END__ - -=head1 NAME - -gen.pl - Generate exim html documentation and website - -=head1 SYNOPSIS - -gen.pl [options] - - 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 - -=head1 OPTIONS - -=over 4 - -=item B<--help> - -Display help and exits - -=item B<--man> - -Display man page - -=item B<--spec> I - -List of files that make up the specification documentation -docbook/XML source files. - -=item B<--filter> I - -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 - -Specify the current exim version. This is used to create links to -the current documentation. - -This option is I - -=item B<--tmpl> I - -Specify the directory that the templates are kept in. - -This option is I - -=item B<--docroot> I - -Specify the directory that the output should be generated into. -This is the website C directory. - -This option is I - -=item B<--minify> - -If this option is set then both the CSS and Javascript files -processed are minified using L and -L 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 - mostly broke the framework -Mike produced. - -=head1 COPYRIGHT - -Copyright 2010-2011 Exim Maintainers. All rights reserved. - -=cut diff --git a/script/gen.pl b/script/gen.pl new file mode 120000 index 0000000..9eedfe1 --- /dev/null +++ b/script/gen.pl @@ -0,0 +1 @@ +gen \ No newline at end of file