X-Git-Url: https://git.exim.org/exim-website.git/blobdiff_plain/c0afaa9159bbaf5ed926dd9fe1a821369111f421..23ffb224862d37e6fa8dd8e192120efaa35e5a98:/script/gen.pl

diff --git a/script/gen.pl b/script/gen.pl
deleted file mode 100755
index 0db1261..0000000
--- a/script/gen.pl
+++ /dev/null
@@ -1,321 +0,0 @@
-#!/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();
-
-## Generate the pages
-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" );
-
-## 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:/$1.html\n";
-                    transform( undef, "$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"
-    );
-}
-
-## 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 <chapter_id>N</chapter_id> 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 ) );
-            $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", );
-        }
-    }
-}
-
-## 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 };
-        }
-    }
-
-    ## 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 : '' ) );
-        }
-    }
-}
-
-## 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} );
-
-    ## 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
-    mkdirp( ( $out_path =~ /^(.+)\/.+$/ )[0] );
-
-    ## 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;
-
-    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";
-    }
-}
-
-## Parse arguments
-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, $msg ) = @_;
-
-    print "$msg\n\n" if defined $msg;
-
-    print << "END_HELP";
-Options:
-   --help or -h  : Print this help information and then exit
-
-   --web         : Generate the general website pages
-   --spec PATH   : Generate the spec pages. PATH is the path to the spec.xml
-   --filter PATH : Generate the filter pages. PATH is the path to the filter.xml
-
-   One or more of the above three options are required. --spec and --filter can
-   take multiple values to generate different sets of documentation for
-   different versions at the same time.
-
-   --latest VERSION : Required. Specify the latest stable version of Exim.
-   --tmpl PATH      : Required. Path to the templates directory
-   --docroot PATH   : Required. Path to the website document root
-
-   If CSS::Minifier::XS is installed, then CSS will be minified.
-   If JavaScript::Minifier::XS is installed, then JavaScript will be minified.
-
-Example:
-
-   ./gen.pl --latest 4.72
-            --web
-            --spec spec.xml 4.71/spec.xml
-            --filter filter.xml 4.71/filter.xml
-            --tmpl ~/www/templates
-            --docroot ~/www/docroot
-END_HELP
-
-    exit($exit_code);
-}
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