X-Git-Url: https://git.exim.org/exim-website.git/blobdiff_plain/1258fcbb195f4c621eb0c18dfde984badfe92b8a..b0968890317ffaab0352f6278340d310aacfdc54:/script/gen.pl diff --git a/script/gen.pl b/script/gen.pl index c964689..6febf7f 100755 --- a/script/gen.pl +++ b/script/gen.pl @@ -1,9 +1,17 @@ -#!/usr/bin/perl +#!/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; @@ -12,60 +20,107 @@ my $canonical_url = 'http://www.exim.org/'; ## Parse arguments my %opt = parse_arguments(); +## setup static root location +## TODO: for doc generation only this should be within the docs dir +$opt{staticroot} = File::Spec->catdir( $opt{docroot}, 'static' ); + ## 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}; +do_web() if ( $opt{web} ); +do_static(); # need this for all other pages generated ## Add the exim-html-current symlink -print "Symlinking exim-html-current to exim-html-$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" if ( $opt{verbose} ); +unlink("$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 $opt{docroot}/exim-html-current failed"; +# ------------------------------------------------------------------ ## Generate the website files sub do_web { + ## copy these templates to docroot... + copy_transform_files( "$opt{tmpl}/web", $opt{docroot}, 0 ); +} + +# ------------------------------------------------------------------ +## Generate the static file set +sub do_static { + + ## make sure I have a directory + mkdir( $opt{staticroot} ) or die "Unable to make staticroot: $!\n" unless ( -d $opt{staticroot} ); + + ## copy these templates to docroot... + copy_transform_files( "$opt{tmpl}/static", $opt{staticroot}, 1 ); +} + +# ------------------------------------------------------------------ +## Generate the website files +sub copy_transform_files { + my $source = shift; + my $target = shift; + my $static = shift; + ## Make sure the template web directory exists - die "No such directory: $opt{tmpl}/web\n" unless -d "$opt{tmpl}/web"; + die "No such directory: $source\n" unless ( -d $source ); ## Scan the web templates find( sub { - my ($path) = substr( $File::Find::name, length("$opt{tmpl}/web"), length($File::Find::name) ) =~ m#^/*(.*)$#; + my ($path) = substr( $File::Find::name, length("$source"), length($File::Find::name) ) =~ m#^/*(.*)$#; - if ( -d "$opt{tmpl}/web/$path" ) { + if ( -d "$source/$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: $!\n"; + ## Create the directory in the target if it doesn't exist + if ( !-d "$target/$path" ) { + mkdir("$target/$path") or die "Unable to make $target/$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}/$1.html" ); + if ( ( !$static ) and ( $path =~ /(.+)\.xsl$/ ) ) { + print "Generating : /$1.html\n" if ( $opt{verbose} ); + transform( undef, "$source/$path", "$target/$1.html" ); } - elsif ( -f "$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}/$path") )[9]; - - ## Copy - print "Copying to : docroot:/$path\n"; - copy( "$opt{tmpl}/web/$path", "$opt{docroot}/$path" ) or die "$path: $!"; - + elsif ( -f "$source/$path" ) { + + ## Skip if the file hasn't changed (mtime/size based) + return + if (( -f "$target/$path" ) + and ( ( stat("$source/$path") )[9] == ( stat("$target/$path") )[9] ) + and ( ( stat("$source/$path") )[7] == ( stat("$target/$path") )[7] ) ); + + if ( $path =~ /(.+)\.css$/ ) { + print "CSS to : /$path\n" if ( $opt{verbose} ); + my $content = read_file("$source/$path"); + write_file( "$target/$path", $opt{minify} ? CSS::Minifier::XS::minify($content) : $content ); + } + elsif ( $path =~ /(.+)\.js$/ ) { + print "JS to : /$path\n" if ( $opt{verbose} ); + my $content = read_file("$source/$path"); + write_file( "$target/$path", + $opt{minify} ? JavaScript::Minifier::XS::minify($content) : $content ); + } + else { + ## Copy + print "Copying to : /$path\n" if ( $opt{verbose} ); + copy( "$source/$path", "$target/$path" ) or die "$path: $!"; + } ## Set mtime - utime( time, ( stat("$opt{tmpl}/web/$path") )[9], "$opt{docroot}/$path" ); + utime( time, ( stat("$source/$path") )[9], "$target/$path" ); } } }, - "$opt{tmpl}/web" + "$source" ); } +# ------------------------------------------------------------------ ## Generate index/chapter files for a doc sub do_doc { my ( $type, $xml_path ) = @_; @@ -82,29 +137,38 @@ sub do_doc { ## Add the canonical url for this document $xml->documentElement() - ->appendTextChild( 'canonical_url', + ->appendTextChild( 'canonical_url', "${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"; + print "Generating : docroot:/$path\n" if ( $opt{verbose} ); 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"; + 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; - foreach my $chapter ( map { $_->cloneNode(1) } $xml->findnodes('/book/chapter') ) { + 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 ); @@ -114,12 +178,28 @@ sub do_doc { $chapter->appendTextChild( 'prev_url', $counter == 1 ? $type eq 'filter' - ? 'filter.html' - : 'index.html' + ? '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 ) ); + $chapter->appendTextChild( 'next_url', sprintf( '%sch%02d.html', $prepend_chapter, $counter + 1 ) ) + unless int(@chapters) == $counter; + $chapter->appendTextChild( 'toc_url', ( $type eq 'filter' ? 'filter' : 'index' ) . '.html' ); + $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 @@ -129,12 +209,13 @@ sub do_doc { ## 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"; + 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 ) = @_; @@ -149,7 +230,11 @@ sub xref_fixup { foreach my $chapter ( $xml->findnodes('/book/chapter') ) { ++$chapter_counter; - my $chapter_id = $chapter->getAttribute('id'); + 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 }; @@ -159,13 +244,23 @@ sub xref_fixup { foreach my $section ( $chapter->findnodes('section') ) { ++$section_counter; - my $section_id = $section->getAttribute('id'); + 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 }; + $index{$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') ) { @@ -173,14 +268,91 @@ sub xref_fixup { 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 : '' ) ); + . ( $index{$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 ) = @_; @@ -194,139 +366,195 @@ sub transform { ## 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); + ## work out the static root relative to the target + my $target_dir = ( File::Spec->splitpath($out_path) )[1]; + my $staticroot = File::Spec->abs2rel( $opt{staticroot}, $target_dir ); + ## Generate a doc from the XML transformed with the XSL - my $doc = $stylesheet->transform($xml); + my $doc = $stylesheet->transform( $xml, staticroot => sprintf( "'%s'", $staticroot ) ); ## Make the containing directory if it doesn't exist - mkdirp( ( $out_path =~ /^(.+)\/.+$/ )[0] ); + make_path( ( $out_path =~ /^(.+)\/.+$/ )[0], { verbose => $opt{verbose} } ); ## 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; } -## "mkdir -p " -sub mkdirp { - my $path = shift; - - my @parts = (); - foreach ( split( /\//, $path ) ) { - push @parts, $_; - my $make = join( '/', @parts ); - next unless length($make); - next if -d $make; - mkdir($make) or die "Unable to mkdir $make: $!\n"; +# ------------------------------------------------------------------ +## 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 $msg; + pod2usage( -exitval => 1, -verbose => 0 ); } +# ------------------------------------------------------------------ ## Parse arguments sub parse_arguments { - my %opt = (); + + my %opt = ( spec => [], filter => [], help => 0, man => 0, web => 0, minify => 1, verbose => 0 ); + GetOptions( + \%opt, 'help|h!', 'man!', 'web!', 'spec=s{1,}', 'filter=s{1,}', + 'latest=s', 'tmpl=s', 'docroot=s', 'minify!', 'verbose!' + ) || pod2usage( -exitval => 1, -verbose => 0 ); ## --help - help(0) if int(@ARGV) == 0 || grep( /^--help|-h$/, @ARGV ); + 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; +} - my @collection = @ARGV; - while (@collection) { - my $key = shift @collection; +# ------------------------------------------------------------------ +1; - if ( $key eq '--web' ) { +__END__ - ## --web - $opt{web} = 1; - } - elsif ( $key =~ /^--(spec|filter)$/ ) { +=head1 NAME - ## --spec and --filter - my $continue = 1; - while ( $continue && @collection ) { - my $value = shift @collection; +gen.pl - Generate exim html documentation and website - 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' ) { +=head1 SYNOPSIS - ## --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 ); - } - } +gen.pl [options] - 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 $opt{$_}; - } + 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 - return %opt; -} +=head1 OPTIONS -## Help information -sub help { - my ( $exit_code, $msg ) = @_; +=over 4 - print "$msg\n\n" if defined $msg; +=item B<--help> - print << "END_HELP"; -Options: - --help or -h : Print this help information and then exit +Display help and exits - --web : Generate the general website pages - --spec PATH : Generate the spec pages. PATH is the path to the spec.xml - --filter PATH : Generate the filter pages. PATH is the path to the filter.xml +=item B<--man> - One or more of the above three options are required. --spec and --filter can - take multiple values to generate different sets of documentation for - different versions at the same time. +Display man page - --latest VERSION : Required. Specify the latest stable version of Exim. - --tmpl PATH : Required. Path to the templates directory - --docroot PATH : Required. Path to the website document root +=item B<--spec> I - If CSS::Minifier::XS is installed, then CSS will be minified. - If JavaScript::Minifier::XS is installed, then JavaScript will be minified. +List of files that make up the specification documentation +docbook/XML source files. -Example: +=item B<--filter> I - ./gen.pl --latest 4.72 - --web - --spec spec.xml 4.71/spec.xml - --filter filter.xml 4.71/filter.xml - --tmpl ~/www/templates - --docroot ~/www/docroot -END_HELP +List of files that make up the filter documentation docbook/XML +source files. - exit($exit_code); -} +=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 2010-2012 Exim Maintainers. All rights reserved. + +=cut