X-Git-Url: https://git.exim.org/exim-website.git/blobdiff_plain/2f615d84ed88d0ce0265fba4ad545fb0517f36f6..596e5400822242a1076979102fa590054834b68a:/script/gen.pl diff --git a/script/gen.pl b/script/gen.pl index d6ebf00..7bc1309 100755 --- a/script/gen.pl +++ b/script/gen.pl @@ -1,298 +1,375 @@ #!/usr/bin/perl use strict; use warnings; +use CSS::Minifier::XS; use File::Copy; use File::Find; +use File::Slurp; use File::Spec; +use Getopt::Long; +use JavaScript::Minifier::XS; use XML::LibXML; use XML::LibXSLT; my $canonical_url = 'http://www.exim.org/'; ## Parse arguments - my %opt = parse_arguments(); +my %opt = parse_arguments(); ## Generate the pages - do_doc( 'spec', $_ ) foreach @{$opt{spec}||[]}; - do_doc( 'filter', $_ ) foreach @{$opt{filter}||[]}; - do_web( ) if exists $opt{web}; +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"; - symlink( "$opt{docroot}/exim-html-$opt{latest}", "$opt{docroot}/exim-html-current" ); +print "Symlinking exim-html-current to exim-html-$opt{latest}\n"; +symlink( "$opt{docroot}/exim-html-$opt{latest}", "$opt{docroot}/exim-html-current" ); ## Generate the website files - sub do_web { +sub do_web { - ## Make sure the template web directory exists - die "No such directory: $opt{tmpl}/web\n" unless -d "$opt{tmpl}/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($File::Find::name) ) =~ m#^/*(.*)$#; + ## 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" ){ + 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:/$1.html\n"; - transform( undef, "$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}/$path"))[9]; + ## Create the directory in the doc root if it doesn't exist + if ( !-d "$opt{docroot}/$path" ) { + mkdir("$opt{docroot}/$path") or die "Unable to make $opt{docroot}/$path: $!\n"; + } - ## Copy - print "Copying to : docroot:/$path\n"; - copy( "$opt{tmpl}/web/$path", "$opt{docroot}/$path" ) or die "$path: $!"; + } + else { - ## Set mtime - utime( time, (stat("$opt{tmpl}/web/$path"))[9], "$opt{docroot}/$path" ); - } - } + ## Build HTML from XSL files and simply copy static files which have changed + if ( $path =~ /(.+)\.xsl$/ ) { + print "Generating : docroot:/$1.html\n"; + transform( undef, "$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"; + 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"; + 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"; + 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"); - } + }, + "$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"); - - ## 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"; - transform( $xml, - "$opt{tmpl}/doc/toc.xsl", - "$opt{docroot}/$path", - ); - } - - ## Generate the chapters - my $counter = 0; - foreach my $chapter ( map {$_->cloneNode(1)} $xml->findnodes('/book/chapter') ){ - - ## 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', +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" ); + + ## 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"; + transform( $xml, "$opt{tmpl}/doc/toc.xsl", "$opt{docroot}/$path", ); + } + + ## Generate the chapters + my $counter = 0; + foreach my $chapter ( map { $_->cloneNode(1) } $xml->findnodes('/book/chapter') ) { + + ## 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' + ? $type eq 'filter' ? 'filter.html' : 'index.html' - : sprintf('%sch%02d.html',$prepend_chapter,$counter-1) - ); - $chapter->appendTextChild( 'next_url', sprintf('%sch%02d.html',$prepend_chapter,$counter+1) ); - $chapter->appendTextChild( 'canonical_url', sprintf('http://www.exim.org/exim-html-current/doc/html/spec_html/%sch%02d.html',$prepend_chapter,$counter) ); - } + : sprintf( '%sch%02d.html', $prepend_chapter, $counter - 1 ) ); + $chapter->appendTextChild( 'next_url', sprintf( '%sch%02d.html', $prepend_chapter, $counter + 1 ) ); + $chapter->appendTextChild( 'canonical_url', + sprintf( 'http://www.exim.org/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"; - transform( $doc, - "$opt{tmpl}/doc/chapter.xsl", - "$opt{docroot}/$path", - ); - } - } - } + ## Create an XML document from the chapter + my $doc = XML::LibXML::Document->createDocument( '1.0', 'UTF-8' ); + $doc->setDocumentElement($chapter); -## Fixup xref tags - sub xref_fixup { - my( $xml, $prepend_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"; + transform( $doc, "$opt{tmpl}/doc/chapter.xsl", "$opt{docroot}/$path", ); + } + } +} - my %index = (); +## Fixup xref tags +sub xref_fixup { + my ( $xml, $prepend_chapter ) = @_; - ## Add the "prepend_chapter" info - ($xml->findnodes('/book'))[0]->appendTextChild( 'prepend_chapter', $prepend_chapter ); + my %index = (); - ## Iterate over each chapter - my $chapter_counter = 0; - foreach my $chapter ( $xml->findnodes('/book/chapter') ){ - ++$chapter_counter; + ## Add the "prepend_chapter" info + ( $xml->findnodes('/book') )[0]->appendTextChild( 'prepend_chapter', $prepend_chapter ); - my $chapter_id = $chapter->getAttribute('id'); - my $chapter_title = $chapter->findvalue('title'); + ## Iterate over each chapter + my $chapter_counter = 0; + foreach my $chapter ( $xml->findnodes('/book/chapter') ) { + ++$chapter_counter; - $index{$chapter_id} = { chapter_id => $chapter_counter, chapter_title => $chapter_title }; + 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'); - ## Iterate over each section - my $section_counter = 0; - foreach my $section ( $chapter->findnodes('section') ){ - ++$section_counter; + $index{$chapter_id} = { chapter_id => $chapter_counter, chapter_title => $chapter_title }; - my $section_id = $section->getAttribute('id'); - my $section_title = $section->findvalue('title'); + ## Iterate over each section + my $section_counter = 0; + foreach my $section ( $chapter->findnodes('section') ) { + ++$section_counter; - $index{$section_id} = { chapter_id => $chapter_counter, chapter_title => $chapter_title, section_id => $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'}; - $xref->setAttribute( 'url', sprintf('%sch%02d.html',$prepend_chapter, $index{$linkend}{'chapter_id'}).($index{$linkend}{'section_id'}?'#'.$linkend:'') ); - } - } - } + 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 = uc( substr( $primary, 0, 1 ) ); # first char + my $secondary = $node->findvalue('child::secondary') || ''; + $index_hash->{$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', 'index_' . $role ); + $chapter->appendTextChild( 'title', ( ucfirst($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('itemizedlist'); + $chapter->appendChild($section); + $section->setAttribute( 'id', 'index_' . $role . '_' . $first ); + $section->appendTextChild( 'title', $first ); + $section->appendChild($list); + foreach my $primary ( sort { $a cmp $b } keys %{ $index_hash->{$role}{$first} } ) { + my $item = XML::LibXML::Element->new('listitem'); + my $para = XML::LibXML::Element->new('para'); + $list->appendChild($item); + $item->appendChild($para); + $para->appendText($primary); + my $slist; + foreach my $secondary ( sort { $a cmp $b } keys %{ $index_hash->{$role}{$first}{$primary} } ) { + my $spara; + my $sitem; + if ( $secondary eq '' ) { + $spara = $para; # skip having extra layer of heirarchy + } + else { + unless ($slist) { + $slist = XML::LibXML::Element->new('itemizedlist'); + $item->appendChild($slist); + } + $sitem = XML::LibXML::Element->new('listitem'); + $spara = XML::LibXML::Element->new('para'); + $slist->appendChild($sitem); + $slist->appendChild($spara); + $spara->appendText($secondary); + } + $spara->appendText(': '); + my $count = 0; + foreach my $ref ( @{ $index_hash->{$role}{$first}{$primary}{$secondary} } ) { + $spara->appendText(', ') + if ( $count++ ); + my $xrefel = XML::LibXML::Element->new('xref'); + $xrefel->setAttribute( linkend => $ref ); + $xrefel->setAttribute( longref => 1 ); + $spara->appendChild($xrefel); + } + } + } + } + } +} ## Handle the transformation - sub transform { - my( $xml, $xsl_path, $out_path ) = @_; +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') ); - } + ## 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 current version of Exim to the XML + $xml->documentElement()->appendTextChild( 'current_version', $opt{latest} ); - ## Parse the ".xsl" file as XML - my $xsl = XML::LibXML->new()->parse_file( $xsl_path ) or die $!; + ## 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 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 ); + ## Generate a doc from the XML transformed with the XSL + my $doc = $stylesheet->transform($xml); - ## Make the containing directory if it doesn't exist - mkdirp( ($out_path =~ /^(.+)\/.+$/)[0] ); + ## Make the containing directory if it doesn't exist + mkdirp( ( $out_path =~ /^(.+)\/.+$/ )[0] ); - ## Write out the document - open my $out, '>', $out_path or die $!; - print $out $stylesheet->output_as_bytes( $doc ); - close $out; - } + ## Write out the document + open my $out, '>', $out_path or die $!; + print $out $stylesheet->output_as_bytes($doc); + close $out; +} ## "mkdir -p " - sub mkdirp { - my $path = shift; +sub mkdirp { + my $path = shift; - my @parts = (); - foreach( split(/\//, $path) ){ + my @parts = (); + foreach ( split( /\//, $path ) ) { push @parts, $_; - my $make = join('/',@parts); + my $make = join( '/', @parts ); next unless length($make); next if -d $make; - mkdir( $make ) or die "Unable to mkdir $make: $!\n"; - } - } + mkdir($make) or die "Unable to mkdir $make: $!\n"; + } +} ## Parse arguments - sub parse_arguments { - my %opt = (); - - ## --help - help(0) if int(@ARGV) == 0 || grep(/^--help|-h$/,@ARGV); - - my @collection = @ARGV; - while( @collection ){ - my $key = shift @collection; - - if( $key eq '--web' ){ - - ## --web - $opt{web} = 1; - } elsif( $key =~ /^--(spec|filter)$/ ){ - - ## --spec and --filter - my $continue = 1; - while( $continue && @collection ){ - my $value = shift @collection; - - if( $value =~ /^--/ ){ - unshift @collection, $value; - $continue = 0; - } else { - $value = File::Spec->rel2abs( $value ); - help( 1, 'No such file: '.$value ) unless -f $value; - push @{$opt{$1}}, $value unless grep( $_ eq $value, @{$opt{$1}} ); - } - } - help( 1, 'Missing value for '.$key ) unless exists $opt{$1}; - } elsif( $key eq '--latest' ){ - - ## --latest - my $value = shift @collection; - help( 1, 'Missing value for '.$key ) unless defined $value; - help( 1, 'Invalid value for '.$key ) unless $value =~ /^\d+(?:\.\d+)*$/; - $opt{latest} = $value; - } elsif( $key =~ /^--(tmpl|docroot)$/ ){ - - ## --tmpl and --docroot - my $value = shift @collection; - help( 1, 'Missing value for '.$key ) unless defined $value; - $value = File::Spec->rel2abs( $value ); - help( 1, 'No such directory: '.$value ) unless -d $value; - $opt{$1} = $value; - $opt{$1} =~ s#/+$##; - } else { - help( 1, 'Bad argument: '.$key ); - } - } - - help( 1, 'Must include at least one of --web, --spec or --filter' ) unless exists $opt{web} || exists $opt{spec} || exists $opt{filter}; - foreach(qw( latest tmpl docroot )){ - help( 1, 'Missing argument: --'.$_ ) unless exists $opt{$_}; - } - - return %opt; - } +sub parse_arguments { + + my %opt = ( spec => [], filter => [], help => 0, web => 0, minify => 1 ); + GetOptions( \%opt, 'help|h!', 'web!', 'spec=s{1,}', 'filter=s{1,}', 'latest=s', 'tmpl=s', 'docroot=s', 'minify!' ) + || help( 1, 'Bad options' ); + + ## --help + help(0) if ( $opt{help} ); + + ## --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 $opt{latest} =~ /^\d+(?:\.\d+)*$/; + + ## --tmpl and --docroot + foreach my $set (qw[tmpl docroot]) { + help( 1, '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; + $opt{$set} = $f; + } + help( 1, 'Excess arguments' ) if ( scalar(@ARGV) ); + + help( 1, '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 ) = @_; +sub help { + my ( $exit_code, $msg ) = @_; - print "$msg\n\n" if defined $msg; + print "$msg\n\n" if defined $msg; - print << "END_HELP"; + print << "END_HELP"; Options: --help or -h : Print this help information and then exit @@ -321,5 +398,5 @@ Example: --docroot ~/www/docroot END_HELP - exit( $exit_code ); - } + exit($exit_code); +}