X-Git-Url: https://git.exim.org/exim-website.git/blobdiff_plain/3df5e8cf452ca3a257fce64f6373bed104b1df0a..322439df5d8a8928b8db4bb41aeae33030038f61:/script/gen.pl

diff --git a/script/gen.pl b/script/gen.pl
index 6073b56..3c1137b 100755
--- a/script/gen.pl
+++ b/script/gen.pl
@@ -1,13 +1,16 @@
 #!/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;
 
@@ -237,13 +240,15 @@ sub build_indexes {
     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->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', 'index_' . $role . '_' . $first );
+            $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} } ) {
@@ -308,7 +313,7 @@ sub transform {
     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;
 }
@@ -327,73 +332,151 @@ sub mkdirp {
     }
 }
 
+## 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{1,}', 'filter=s{1,}', '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);
-}