569 lines
13 KiB
Perl
569 lines
13 KiB
Perl
#!/usr/bin/perl
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#
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# Copyright (c) 1994-1996 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# makewhatis -- update the whatis database in the man directories.
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#
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# $FreeBSD$
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sub usage {
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warn <<EOF;
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usage: makewhatis [-a|-append] [-h|-help] [-i|-indent column] [-L|-locale]
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[-n|-name name] [-o|-outfile file] [-v|-verbose]
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[directories ...]
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EOF
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exit 1;
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}
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# Format output
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sub open_output {
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local($dir) = @_;
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die "Name for whatis is empty\n" if $whatis_name eq "";
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if ($outfile) { # Write all Output to $outfile
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$whatisdb = $outfile;
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} else { # Use man/whatis
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$whatisdb = $dir . "/$whatis_name.tmp";
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}
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$tmp = $whatisdb; # for signals
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# Array of all entries
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@a = ();
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# Append mode
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if ($append) {
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local($file) = $whatisdb;
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$file =~ s/\.tmp$// if !$outfile;
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if (open(A, "$file")) {
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warn "Open $file for append mode\n" if $verbose;
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while(<A>) {
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push(@a, $_);
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}
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close A;
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}
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else {
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warn "$whatisdb: $!\n" if lstat($file) && $verbose; #
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}
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undef $file;
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}
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warn "Open $whatisdb\n" if $verbose;
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if (!open(A, "> $whatisdb")) {
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die "$whatisdb: $!\n" if $outfile;
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warn "$whatisdb: $!\n"; $err++; return 0;
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}
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select A;
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return 1;
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}
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sub close_output {
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local($success) = @_;
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local($w) = $whatisdb;
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local($counter) = 0;
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local($i, $last,@b);
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$w =~ s/\.tmp$//;
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if ($success) { # success
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# uniq
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warn "\n" if $verbose && $pointflag;
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warn "sort -u > $whatisdb\n" if $verbose;
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foreach $i (sort @a) {
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if ($i ne $last) {
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push(@b, $i);
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}
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$last =$i;
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}
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$counter = $#b + 1;
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print @b; close A; select STDOUT;
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if (!$outfile) {
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warn "Rename $whatisdb to $w\n" if $verbose;
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rename($whatisdb, $w) || warn "rename $whatisdb $w\n";
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$counter_all += $counter;
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warn "$counter entries in $w\n" if $verbose;
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} else {
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$counter_all = $counter;
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}
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} else { # building whatisdb failed
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unlink($whatisdb);
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warn "building whatisdb: $whatisdb failed\n" if $verbose;
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}
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return 1;
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}
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sub parse_subdir {
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local($dir) = @_;
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local($file, $dev,$ino);
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warn "\n" if $pointflag;
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warn "traverse $dir\n" if $verbose;
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$pointflag = 0;
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if (!opendir(M, $dir)) {
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warn "$dir: $!\n"; $err++; return 0;
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}
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$| = 1 if $verbose;
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foreach $file (readdir(M)) {
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next if $file =~ /^(\.|\.\.)$/;
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($dev, $ino) = ((stat("$dir/$file"))[01]);
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if (-f _) {
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if ($man_red{"$dev.$ino"}) {
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# Link
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print STDERR "+" if $verbose;
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$pointflag++ if $verbose;
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} else {
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&manual("$dir/$file");
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}
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$man_red{"$dev.$ino"} = 1;
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} elsif (! -d _) {
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warn "Cannot find file: $dir/$file\n"; $err++;
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}
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}
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closedir M;
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return 1;
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}
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# read man directory
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sub parse_dir {
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local($dir) = @_;
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local($subdir, $file);
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# clean up, in case mandir and subdirs are called simultaneously
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# e. g.: ~/man/man1 ~/man/man2 ~/man
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#~/man/ man1 and ~/man/man2 are a subset of ~/man
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foreach $file (keys %man_red) {
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delete $man_red{$file};
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}
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if ($dir =~ /man/) {
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warn "\n" if $verbose && $pointflag;
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warn "open manpath directory ``$dir''\n" if $verbose;
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$pointflag = 0;
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if (!opendir(DIR, $dir)) {
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warn "opendir ``$dir'':$!\n"; $err = 1; return 0;
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}
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foreach $subdir (sort(readdir(DIR))) {
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if ($subdir =~ /^man\w+$/) {
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$subdir = "$dir/$subdir";
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&parse_subdir($subdir);
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}
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}
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closedir DIR
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} elsif ($dir =~ /man\w+$/) {
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&parse_subdir($dir);
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} else {
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warn "Assume ``$dir'' is not a man directory.\n";
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$err = 1; return 0;
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}
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return 1;
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}
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sub dir_redundant {
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local($dir) = @_;
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local($dev,$ino) = (stat($dir))[0..1];
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if ($dir_redundant{"$dev.$ino"}) {
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warn "$dir is equal to: $dir_redundant{\"$dev.$ino\"}\n" if $verbose;
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return 0;
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}
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$dir_redundant{"$dev.$ino"} = $dir;
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return 1;
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}
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# ``/usr/man/man1/foo.l'' -> ``l''
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sub ext {
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local($filename) = @_;
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local($extension) = $filename;
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$extension =~ s/$ext$//g; # strip .gz
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$extension =~ s/.*\///g; # basename
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if ($extension !~ m%[^/]+\.[^.]+$%) { # no dot
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$extension = $filename;
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#$extension =~ s|/[^/]+$||;
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$extension =~ s%.*man([^/]+)/[^/]+%$1%; # last character
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warn "\n" if $verbose && $pointflag;
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warn "$filename has no extension, try section ``$extension''\n"
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if $verbose;
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$pointflag = 0;
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} else {
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$extension =~ s/.*\.//g; # foo.bla.1 -> 1
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}
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return "$extension";
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}
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# ``/usr/man/man1/foo.1'' -> ``foo''
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sub name {
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local($name) = @_;
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$name =~ s=.*/==;
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$name =~ s=$ext$==o;
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$name =~ s=\.[^\.]+$==;
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return "$name";
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}
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# output
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sub out {
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local($list) = @_;
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local($delim) = " - ";
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$_ = $list;
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# delete italic etc.
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s/^\.[^ -]+[ -]+//;
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s/\\\((em|mi)//;
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s/\\f[IRBP]//g;
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s/\\\*p//g;
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s/\(OBSOLETED\)[ ]?//;
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s/\\&//g;
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s/^\@INDOT\@//;
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s/[\"\\]//g; #"
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s/[. \t-]+$//;
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s/ / - / unless / - /;
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($man,$desc) = split(/ - /);
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$man = $name unless $man;
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$man =~ s/[,. ]+$//;
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$man =~ s/,/($extension),/g;
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$man .= "($extension)";
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&manpagename;
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$desc =~ s/^[ \t]+//;
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for($i = length($man); $i < $indent && $desc; $i++) {
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$man .= ' ';
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}
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if ($desc) {
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push(@a, "$man$delim$desc\n");
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} else {
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push(@a, "$man\n");
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}
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}
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# The filename of manual page is not a keyword.
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# This is bad, because you don't find the manpage
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# whith: $ man <section> <keyword>
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#
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# Add filename if a) filename is not a keyword and b) no keyword(s)
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# exist as file in same mansection
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#
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sub manpagename {
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foreach (split(/,\s+/, $man)) {
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s/\(.+//;
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# filename is keyword
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return if $name eq $_;
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}
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local($f) = $file; $f =~ s%/*[^/]+$%%; # dirname
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local($e) = $file; $e =~ s/$ext$//; $e =~ s%.*(\.[^.]+)$%$1%; # .1
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foreach (split(/,\s+/, $man)) {
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s/\(.+//;
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# a keyword exist as file
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return if -e "$f/$_$e" || -e "$f/$_$e$ext";
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}
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$man = "$name($extension), $man";
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}
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# looking for NAME
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sub manual {
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local($file) = @_;
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local($list, $desc, $extension);
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local($ofile) = $file;
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# Compressed man pages
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if ($ofile =~ /$ext$/) {
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$ofile = "gzcat $file |";
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print STDERR "*" if $verbose;
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} else {
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print STDERR "." if $verbose;
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}
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$pointflag++ if $verbose;
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if (!open(F, "$ofile")) {
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warn "Cannot open file: $ofile\n"; $err++;
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return 0;
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}
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# extension/section
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$extension = &ext($file);
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$name = &name($file);
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$section_name = "NAME|Name|NAMN|BEZEICHNUNG|̾<><CCBE>|<7C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>";
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local($source) = 0;
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local($list);
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while(<F>) {
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# ``man'' style pages
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# &&: it takes you only half the user time, regexp is slow!!!
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if (/^\.SH/ && /^\.SH[ \t]+["]?($section_name)["]?/) {
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#while(<F>) { last unless /^\./ } # Skip
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#chop; $list = $_;
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while(<F>) {
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last if /^\.SH[ \t]/;
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chop;
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s/^\.IX\s.*//; # delete perlpod garbage
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s/^\.[A-Z]+[ ]+[0-9]+$//; # delete commands
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s/^\.[A-Za-z]+[ \t]*//; # delete commands
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s/^\.\\".*$//; #" delete comments
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s/^[ \t]+//;
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if ($_) {
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$list .= $_;
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$list .= ' ';
|
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}
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}
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&out($list); close F; return 1;
|
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} elsif (/^\.Sh/ && /^\.Sh[ \t]+["]?($section_name)["]?/) {
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# ``doc'' style pages
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local($flag) = 0;
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while(<F>) {
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last if /^\.Sh/;
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chop;
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s/^\.\\".*$//; #" delete comments
|
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if (/^\.Nm/) {
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s/^\.Nm[ \t]*//;
|
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s/ ,/,/g;
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s/[ \t]+$//;
|
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$list .= $_;
|
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$list .= ' ';
|
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} else {
|
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$list .= '- ' if (!$flag && !/^- /);
|
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$flag++;
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s/^\.[A-Z][a-z][ \t]*//;
|
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s/[ \t]+$//;
|
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$list .= $_;
|
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$list .= ' ';
|
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}
|
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}
|
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&out($list); close F; return 1;
|
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|
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} elsif(/^\.so/ && /^\.so[ \t]+man/) {
|
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close F; return 1;
|
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}
|
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}
|
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if (!$source && $verbose) {
|
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warn "\n" if $pointflag;
|
||
warn "Maybe $file is not a manpage\n" ;
|
||
$pointflag = 0;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
# make relative path to absolute path
|
||
sub absolute_path {
|
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local(@dirlist) = @_;
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local($pwd, $dir, @a);
|
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$pwd = $ENV{'PWD'};
|
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foreach $dir (@dirlist) {
|
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if ($dir !~ "^/") {
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chop($pwd = `pwd`) if (!$pwd || $pwd !~ /^\//);
|
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push(@a, "$pwd/$dir");
|
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} else {
|
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push(@a, $dir);
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}
|
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}
|
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return @a;
|
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}
|
||
|
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# strip unused '/'
|
||
# e.g.: //usr///home// -> /usr/home
|
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sub stripdir {
|
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local($dir) = @_;
|
||
|
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$dir =~ s|/+|/|g; # delete double '/'
|
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$dir =~ s|/$||; # delete '/' at end
|
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$dir =~ s|/(\.\/)+|/|g; # delete ././././
|
||
|
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$dir =~ s|/+|/|g; # delete double '/'
|
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$dir =~ s|/$||; # delete '/' at end
|
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$dir =~ s|/\.$||; # delete /. at end
|
||
return $dir if $dir ne "";
|
||
return '/';
|
||
}
|
||
|
||
sub variables {
|
||
$verbose = 0; # Verbose
|
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$indent = 24; # Indent for description
|
||
$outfile = 0; # Don't write to ./whatis
|
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$whatis_name = "whatis"; # Default name for DB
|
||
$append = 0; # Don't delete old entries
|
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$locale = 0; # Build DB only for localized man directories
|
||
|
||
# choose localized man direcotries suffixs. If $LC_CTYPE is set, then
|
||
# its value will be used as suffix, otherwise $LANG value (if set)
|
||
$local_suffix = "";
|
||
if ($ENV{'LC_CTYPE'}) {
|
||
$local_suffix = $ENV{'LC_CTYPE'};
|
||
} elsif ($ENV{'LANG'}) {
|
||
$local_suffix = $ENV{'LANG'}
|
||
}
|
||
|
||
# if no argument for directories given
|
||
@defaultmanpath = ( '/usr/share/man' );
|
||
|
||
$ext = '.gz'; # extension
|
||
umask(022);
|
||
|
||
$err = 0; # exit code
|
||
$whatisdb = '';
|
||
$counter_all = 0;
|
||
$dir_redundant = ''; # redundant directories
|
||
$man_red = ''; # redundant man pages
|
||
@a = (); # Array for output
|
||
|
||
# Signals
|
||
$SIG{'INT'} = 'Exit';
|
||
$SIG{'HUP'} = 'Exit';
|
||
$SIG{'TRAP'} = 'Exit';
|
||
$SIG{'QUIT'} = 'Exit';
|
||
$SIG{'TERM'} = 'Exit';
|
||
$tmp = ''; # tmp file
|
||
|
||
$ENV{'PATH'} = "/bin:/usr/bin:$ENV{'PATH'}";
|
||
}
|
||
|
||
sub Exit {
|
||
unlink($tmp) if $tmp ne ""; # unlink if a filename
|
||
die "$0: die on signal SIG@_\n";
|
||
}
|
||
|
||
sub parse {
|
||
local(@argv) = @_;
|
||
local($i);
|
||
|
||
while ($_ = $argv[0], /^-/) {
|
||
shift @argv;
|
||
last if /^--$/;
|
||
if (/^--?(v|verbose)$/) { $verbose = 1 }
|
||
elsif (/^--?(h|help|\?)$/) { &usage }
|
||
elsif (/^--?(o|outfile)$/) { $outfile = $argv[0]; shift @argv }
|
||
elsif (/^--?(f|format|i|indent)$/) { $i = $argv[0]; shift @argv }
|
||
elsif (/^--?(n|name)$/) { $whatis_name = $argv[0];shift @argv }
|
||
elsif (/^--?(a|append)$/) { $append = 1 }
|
||
elsif (/^--?(L|locale)$/) { $locale = 1 }
|
||
else { &usage }
|
||
}
|
||
warn "Localized man directory suffix is ``$local_suffix''\n"
|
||
if $verbose && $locale;
|
||
|
||
if ($i ne "") {
|
||
if ($i =~ /^[0-9]+$/) {
|
||
$indent = $i;
|
||
} else {
|
||
warn "Ignoring wrong indent value: ``$i''\n";
|
||
}
|
||
}
|
||
|
||
return &absolute_path(@argv) if $#argv >= 0;
|
||
return @defaultmanpath if $#defaultmanpath >= 0;
|
||
|
||
warn "Missing directories\n"; &usage;
|
||
}
|
||
|
||
# Process man directory
|
||
sub process_dir {
|
||
local($dir) = @_;
|
||
|
||
$dir = &stripdir($dir);
|
||
&dir_redundant($dir) && &parse_dir($dir);
|
||
}
|
||
|
||
# Process man directory and store output to file
|
||
sub process_dir_to_file {
|
||
local($dir) = @_;
|
||
|
||
$dir = &stripdir($dir);
|
||
&dir_redundant($dir) &&
|
||
&close_output(&open_output($dir) && &parse_dir($dir));
|
||
}
|
||
|
||
# convert locale name to short notation (ru_RU.KOI8-R -> ru.KOI8-R)
|
||
sub short_locale_name {
|
||
local($lname) = @_;
|
||
|
||
$lname =~ s|_[A-Z][A-Z]||;
|
||
warn "short locale name is $lname\n" if $verbose && $locale;
|
||
return $lname;
|
||
}
|
||
|
||
##
|
||
## Main
|
||
##
|
||
|
||
&variables;
|
||
# allow colons in dir: ``makewhatis dir1:dir2:dir3''
|
||
@argv = &parse(split(/[: ]/, join($", @ARGV))); # "
|
||
|
||
if ($outfile) {
|
||
if(&open_output($outfile)){
|
||
foreach $dir (@argv) {
|
||
# "Local only" flag set ? Yes ...
|
||
if ($locale) {
|
||
if ($local_suffix ne "") {
|
||
&process_dir($dir.'/'.$local_suffix);
|
||
&process_dir($dir.'/'.&short_locale_name($local_suffix));
|
||
}
|
||
} else {
|
||
&process_dir($dir);
|
||
}
|
||
}
|
||
}
|
||
&close_output(1);
|
||
} else {
|
||
foreach $dir (@argv) {
|
||
# "Local only" flag set ? Yes ...
|
||
if ($locale) {
|
||
if ($local_suffix ne "") {
|
||
&process_dir_to_file($dir.'/'.$local_suffix);
|
||
&process_dir_to_file($dir.'/'.&short_locale_name($local_suffix));
|
||
}
|
||
} else {
|
||
&process_dir_to_file($dir);
|
||
}
|
||
}
|
||
}
|
||
|
||
warn "Total entries: $counter_all\n" if $verbose && ($#argv > 0 || $outfile);
|
||
exit $err;
|