/usr/sbin/dwww-build-menu is in dwww 1.13.1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# vim:ft=perl:cindent:ts=4:sts=4:sw=4:et:fdm=marker:cms=\ #\ %s
#
# dwww-build-menu - create Debian Documentation Menu
# Copyright (C) 2003 Robert Luberda <robert@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#
# $Id: dwww-build-menu 547 2011-01-15 15:29:55Z robert $
#
use strict;
use warnings;
use Debian::Dwww::Utils;
use Debian::Dwww::DocBase;
use Debian::Dwww::Common;
use Debian::Dwww::Initialize;
use File::Path qw/mkpath rmtree/;
use File::Temp 'tempdir';
my $dwwwconf = &DwwwInitialize("/etc/dwww/dwww.conf");
my $out_dir = $dwwwconf->{'DWWW_DOCROOTDIR'} . "/dwww/menu";
my $out_dir_tmp = tempdir('dwww-build-menu.XXXXXX',
DIR => $dwwwconf->{'DWWW_TMPDIR'},
CLEANUP => 1) . "/menu.temp.$$";
my $title = $dwwwconf->{'DWWW_TITLE'};
my $dwww_regdocs_cache = $dwwwconf->{'DWWW_REGDOCS_DB'};
my $dwww_db2pkg_cache = $dwwwconf->{'DWWW_DOCBASE2PKG_DB'};
$dwww_regdocs_cache = undef if "$dwww_regdocs_cache" eq "";
$dwww_db2pkg_cache = undef if "$dwww_db2pkg_cache" eq "" and not ( -r "$dwww_db2pkg_cache" );
undef %{$dwwwconf};
my $templates_dir = "/usr/share/dwww/templates";
my $template_single_start = "$templates_dir/menu.single.start";
my $template_single_end = "$templates_dir/menu.end";
my $template_all_start = "$templates_dir/menu.all.start";
my $template_all_end = "$templates_dir/menu.end";
my $template_error_start = "$templates_dir/menu.errors.start";
my $template_error_end = "$templates_dir/menu.errors.end";
my $template_nosections = "$templates_dir/menu.nosections";
my $single_index = 'one';
my $all_index = 'all';
my $doc_base_fmt = 'doc-base'; # special format indicating that dwww
# should generate index of files containing
# the registered files
my @known_formats=(
'html',
'info',
'text',
'rtf',
'debiandoc-sgml',
'docbook-xml',
'dvi',
'latex',
'linuxdoc-sgml',
'pdf',
'postscript',
'ps',
'sgml',
'tar',
'texinfo',
'dwww-url' # internal dwww's format
);
my %sections = ();
my %section_names = (); # real names of sections
my %node_section = (); # is node section ?
my %map_section = (); # for section without docs, the nearest section with docs
my %doc_list = (); # list of documents
my %files = (); # list of files
my %dbfile2pkg = (); # maps doc-base file names to package names (filled by ReadDocb2PkgCache)
my $opt_verbose = 0;
my $opt_debug = 0;
my $last_err_file = "";
umask 022;
&mkpath($out_dir_tmp) or die "Can't create directory $out_dir_tmp: $!\n";
open ERRFILE , ">$out_dir_tmp/errors.html" or &CleanAndDie("Can't create file errros.html: $!");
print ERRFILE &TemplateFile($template_error_start, { 'TITLE' => &HTMLEncode($title) });
$ErrorProc = \&ErrorHandle;
&ParseDocDir("/var/lib/doc-base/documents");
&FindMapSections;
&ReadDocb2PkgCache;
&BuildMenus;
&CreateIndex;
&rmtree($out_dir);
&RenameDir($out_dir_tmp, $out_dir);
print ERRFILE &TemplateFile($template_error_end, {});
close ERRFILE;
exit (0);
#########################################################################
#
# Local functions
#
sub CleanAndDie { # {{{
my $msg = shift;
die "$msg";
exit(1);
} # }}}
## ErrorHandle($file, $message)
sub ErrorHandle { # {{{
my $file = shift;
my $msg = shift;
print ERRFILE "<dt><br></dt>\n" unless $last_err_file eq $file;
print ERRFILE "<dt><a href=\"file://" . &URLEncode($file) . "\">"
. &HTMLEncode($file) . "</a></dt>\n";
print ERRFILE "<dd>" . &HTMLEncode($msg) . "</dd>\n";
$last_err_file = $file;
} # }}}
sub ParseDocDir { # {{{
my $dir = shift;
if (not (opendir DOCBASEDIR, $dir)) {
print STDERR "Can't open directory $dir: $!\n" if $opt_verbose;
return;
}
while (my $f = readdir(DOCBASEDIR))
{
next if $f =~ /^\./;
next if -d $f;
if (defined (my $entry = &ParseDocBaseFile("$dir/$f"))) {
&AddNewEntry("$dir/$f", $entry);
undef %{$entry};
}
}
} # }}}
sub ReadDocb2PkgCache { # {{{
return unless defined $dwww_db2pkg_cache;
return unless open CACHE, "<$dwww_db2pkg_cache";
while (<CACHE>) {
chomp();
my ($docb_file, $pkg) = split (/\001/, $_, 2);
$dbfile2pkg{$docb_file} = $pkg;
}
close CACHE;
} # }}}
# Adds %entry to @documents
sub AddNewEntry() { # {{{
my $file = shift;
my $entry = shift;
my $doc_entry = { };
my $known = 0;
my $sec = undef;
if (exists $entry->{'dwww-section'}) {
&DwwwSection2Section($entry);
}
if (defined $entry->{'document'}) {
$doc_entry->{'document'} = $entry->{'document'};
}
if ((not defined $entry->{'title'}) or $entry->{'title'} =~ m/^\s*$/) {
&ErrorHandle($file,"No (or empty) title!");
$doc_entry->{'title'} = "(No title)";
} else {
$doc_entry->{'title'} = $entry->{'title'};
}
if ((not defined $entry->{'abstract'}) or $entry->{'abstract'} =~ m/^\s*$/) {
&ErrorHandle($file, "Warning: no (or empty) abstract!");
$doc_entry->{'abstract'} = "";
} else {
$doc_entry->{'abstract'} = $entry->{'abstract'}
}
if ((not defined ($sec = $entry->{'section'})) or $sec =~ m/^\s*$/)
{
&ErrorHandle($file, "No (or empty) section!");
$sec = 'unknown';
}
foreach my $f (@known_formats) {
my $w;
if (defined ( $w = $entry->{'formats'}->{$f}->{'index'})
or defined ($w = $entry->{'formats'}->{$f}->{'files'})) {
if (exists $files{$w})
{
&ErrorHandle($file, "File already known: \"$w\"");
return;
}
if ( $f eq 'dwww-url' or -r $w) {
$files{$w} = '1';
$doc_entry->{'frm_name_' . $known} = $f;
$doc_entry->{'frm_file_' . $known} = $w;
$known++;
} elsif (glob($w)) {
$files{$w} = '1';
$doc_entry->{'frm_name_' . $known} = $doc_base_fmt;
$doc_entry->{'frm_file_' . $known} = $f . '/' . $entry->{'document'};
$known++;
} else {
&ErrorHandle($file, "Can't read \"$w\": $!");
}
}
}
if ($known == 0 ) {
&ErrorHandle($file, "No known formats!");
return;
}
$sec = &AddCanonSection($sec);
$doc_entry->{'section'} = $sec;
$doc_entry->{'frm_count'} = $known;
push(@{$doc_list{$sec}}, $doc_entry);
} # }}}
sub sort_documents { # {{{
my $res;
$res = $a->{'section'} cmp $b->{'section'};
$res = lc $a->{'title'} cmp lc $b->{'title'} if $res == 0;
return $res;
} # }}}
sub AddCanonSection ($) { # {{{
my $arg = shift;
my $sec = '';
my $nsec = '';
my $prev = '';
foreach my $s (split /\/+/, $arg) {
$sec .= '/' unless $sec eq '';
$nsec .= '/' unless $nsec eq '';
$sec .= lc $s;
$nsec .= ucfirst $s;
$sections{$sec} = 0 unless exists $sections{$sec};
$section_names{$sec} = $nsec;
$node_section{$prev} = 1 unless $prev eq '';
$prev = $sec;
}
$sections{$sec}++;
return $sec;
} # }}}
sub FindMapSections() { # {{{
my @ss = sort keys %sections;
undef %map_section;
for (my $i=$#ss; $i >= 0; $i--) {
my $sec = $ss[$i];
if ($sections{$ss[$i]} == 0)
{
for (my $j = $i; $j <= $#ss; $j++){
if( exists $map_section{$ss[$j]})
{
$map_section{$sec} = $map_section{$ss[$j]};
last;
}
}
}
else
{
$map_section{$sec} = $sec;
}
}
} # }}}
sub SectionToFileName() { # {{{
$_ = shift;
my $type = shift;
$_ = $map_section{$_};
s/\//_/g;
return "s$_.html" if ($type eq $single_index);
return "$_";
} # }}}
sub SectionsToHTML() { # {{{
my $cur_sec = shift;
my $type = shift;
my $depth = 0;
my $pr_depth = -1;
my $res = '';
my $cur_depth = ($cur_sec =~ s;/;/;g) + 0;
my %override_node_section = ();
my $sec = "";
foreach my $s (split /\/+/, $cur_sec) {
$sec .= $s;
$override_node_section{$sec} = 1;
$sec .= '/';
}
foreach my $s (sort keys %sections) {
$depth = ($s =~ s;/;/;g) + 0;
my $ps = $s;
$ps =~ s/[^\/]+$//;
next unless ($type eq $all_index or $ps eq '' or index($cur_sec .'/', $ps) == 0);
&CleanAndDie('Internal error') if ($depth > $pr_depth + 1);
$res .= "<ul>\n" if ($depth > $pr_depth);
while ($pr_depth > $depth) {
$res .= "</ul>\n";
$pr_depth--;
}
$pr_depth = $depth;
my $ns = $section_names{$s};
$ns =~ s|^.*/||g;
$ns .= " ..." if ($type ne "all"
and exists $node_section{$s}
and not exists $override_node_section{$s});
if ($s eq $cur_sec) {
$res .= "<li><strong>$ns</strong>\n";
} elsif ($type eq $single_index and ($sections{$s} > 0 or index($cur_sec, $s .'/') != 0 )){
$res .= "<li><a href=\"" . &SectionToFileName($s, $type) . "\">$ns</a>\n";
} elsif ($sections{$s} > 0 and $type eq $all_index) {
my $slink = &SectionToFileName($s, $type);
$res .= "<li><a href=\"#" . $slink . "\" name=\"m" . $slink . "\">$ns</a>\n";
} else {
$res .= "<li>$ns\n";
}
}
while ($pr_depth > -1) {
$res .= "</ul>\n";
$pr_depth--;
}
return $res;
} # }}}
sub DocumentToHTML($) { # {{{
my $doc = shift; # reference to hash
my $res = '';
my $pkg = undef;
if (exists $doc->{'document'}) {
# TODO: document could be generated from more than one control file
# we really should support this
$pkg = $dbfile2pkg{ $doc->{'document'} };
}
$res .= "<dt>";
$res .= "<a href=\"" . &GetURL($doc->{'frm_name_0'}, $doc->{'frm_file_0'}) . "\"";
$res .= " name=\"" . &HTMLEncode($doc->{'document'}) . "\""
if defined ($doc->{'document'});
$res .= ">" . &HTMLEncode($doc->{'title'}) . "</a>\n";
if (defined $pkg) {
$res .= " <small><em>(package: <a href=\"" . &GetURL('pkgsearch', $pkg);
$res .= "\">" . &HTMLEncode($pkg) . "</a>)";
$res .= "</em></small>\n";
}
$res .= "</dt>\n";
$res .= "<dd>" . &HTMLEncodeAbstract($doc->{'abstract'});
if ($doc->{'frm_count'} > 1) {
$res .= "\n<br><b>Formats:</b> ";
for (my $i=0; $i < $doc->{'frm_count'}; $i++) {
my $fmt = $doc->{"frm_name_$i"};
my $loc = $doc->{"frm_file_$i"};
$res .= "[<a href=\"" . &GetURL($fmt, $loc);
($fmt = $loc) =~ s/\/.*$// if $fmt eq $doc_base_fmt;
$res .= "\">" . $fmt . "</a>] ";
}
}
$res .= "</dd>\n";
$res .= "<dt><br></dt>\n";
return $res;
} # }}}
sub BuildMenus { # {{{
my $res = '';
my $last_sec = '';
my $need_close = undef;
open ALL_INDEX, ">$out_dir_tmp/all.html" or &CleanAndDie("Can't create all.html file: $!");
print ALL_INDEX &TemplateFile($template_all_start,
{ 'TITLE' => &HTMLEncode($title),
'SECTIONLIST' => &SectionsToHTML('', 'all') });
if (defined $dwww_regdocs_cache) {
open CACHE, ">$dwww_regdocs_cache.tmp.$$" or $dwww_regdocs_cache = undef;
}
foreach my $sec (sort keys %doc_list) {
my $fname = &SectionToFileName($sec, $single_index);
open SINGLE_INDEX, ">$out_dir_tmp/" . $fname
or &CleanAndDie("Can't create $fname: $!");
print SINGLE_INDEX &TemplateFile($template_single_start,
{ 'TITLE' => &HTMLEncode($title),
'SECTION' => &HTMLEncode($section_names{$sec}),
'SECTIONLIST' => &SectionsToHTML($sec, $single_index)});
print SINGLE_INDEX "<dl>\n";
my $alllink = &SectionToFileName($sec, $all_index);
print ALL_INDEX "<h2 class=\"c\"><a name=\"" . $alllink . "\" href=\"#m" . $alllink .
"\"><strong> Section: ". &HTMLEncode($section_names{$sec}) . "</strong></a></h2>\n<dl>";
print SINGLE_INDEX "\n<!-- Section: " . &HTMLEncode($section_names{$sec}) . " -->\n";
foreach my $doc (sort sort_documents @{$doc_list{$sec}}) {
$res = &DocumentToHTML($doc);
print SINGLE_INDEX "<!-- begin entry -->\n";
print SINGLE_INDEX $res;
print SINGLE_INDEX "<!-- end entry -->\n";
print ALL_INDEX $res;
if (defined $dwww_regdocs_cache and exists $doc->{'document'}) {
print CACHE join( "\01", ( $doc->{'document'},
$section_names{$sec},
$fname . '#' . &HTMLEncode($doc->{'document'}),
&GetURL($doc->{'frm_name_0'}, $doc->{'frm_file_0'}),
$doc->{'title'}
) ) . "\n";
}
}
print SINGLE_INDEX "</dl>\n";
print ALL_INDEX "</dl>\n";
print SINGLE_INDEX &TemplateFile($template_single_end, {});
close SINGLE_INDEX;
}
print ALL_INDEX &TemplateFile($template_all_end, {});
close ALL_INDEX;
if (defined $dwww_regdocs_cache) {
close CACHE;
rename("$dwww_regdocs_cache.tmp.$$", "$dwww_regdocs_cache");
chmod (0644, "$dwww_regdocs_cache");
return 0;
}
} # }}}
sub CreateIndex() { # {{{
if (%sections) {
link("$out_dir_tmp/" . &SectionToFileName((sort keys %sections)[0], $single_index),
"$out_dir_tmp/index.html")
or print STDERR "Can't create index.html link: $!\n";
} else {
open INDEX, ">$out_dir_tmp/all.html" or &CleanAndDie("Can't create all.html file: $!");
print INDEX &TemplateFile($template_nosections,
{ 'TITLE' => &HTMLEncode($title) } );
close INDEX;
link("$out_dir_tmp/all.html", "$out_dir_tmp/index.html")
or print STDERR "Can't create index.html link: $!\n";
}
} # }}}
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