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-rwxr-xr-xpod/pod2html.SH490
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diff --git a/pod/pod2html.SH b/pod/pod2html.SH
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+case $CONFIG in
+'')
+ if test -f config.sh; then TOP=.;
+ elif test -f ../config.sh; then TOP=..;
+ elif test -f ../../config.sh; then TOP=../..;
+ elif test -f ../../../config.sh; then TOP=../../..;
+ elif test -f ../../../../config.sh; then TOP=../../../..;
+ else
+ echo "Can't find config.sh."; exit 1
+ fi
+ . $TOP/config.sh
+ ;;
+esac
+case "$0" in
+*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
+esac
+echo "Extracting pod/pod2html (with variable substitutions)"
+rm -f pod2html
+$spitshell >pod2html <<!GROK!THIS!
+#!$bin/perl
+eval 'exec $bin/perl -S \$0 \${1+"\$@"}'
+ if \$running_under_some_shell;
+!GROK!THIS!
+
+$spitshell >>pod2html <<'!NO!SUBS!'
+#
+# pod2html - convert pod format to html
+#
+# usage: pod2html [podfiles]
+# will read the cwd and parse all files with .pod extension
+# if no arguments are given on the command line.
+#
+*RS = */;
+*ERRNO = *!;
+
+use Carp;
+
+$gensym = 0;
+
+while ($ARGV[0] =~ /^-d(.*)/) {
+ shift;
+ $Debug{ lc($1 || shift) }++;
+}
+
+# look in these pods for things not found within the current pod
+@inclusions = qw[
+ perlfunc perlvar perlrun perlop
+];
+
+# ck for podnames on command line
+while ($ARGV[0]) {
+ push(@Pods,shift);
+}
+$A={};
+
+# location of pods
+$dir=".";
+
+# The beginning of the url for the anchors to the other sections.
+# Edit $type to suit. It's configured for relative url's now.
+$type='<A HREF="';
+$debug = 0;
+
+unless(@Pods){
+ opendir(DIR,$dir) or die "Can't opendir $dir: $ERRNO";
+ @Pods = grep(/\.pod$/,readdir(DIR));
+ closedir(DIR) or die "Can't closedir $dir: $ERRNO";
+}
+@Pods or die "expected pods";
+
+# loop twice through the pods, first to learn the links, then to produce html
+for $count (0,1){
+ (print "Scanning pods...\n") unless $count;
+ foreach $podfh ( @Pods ) {
+ ($pod = $podfh) =~ s/\.pod$//;
+ Debug("files", "opening 2 $podfh" );
+ (print "Creating $pod.html from $podfh\n") if $count;
+ $RS = "\n=";
+ open($podfh,"<".$podfh) || die "can't open $podfh: $ERRNO";
+ @all=<$podfh>;
+ close($podfh);
+ $RS = "\n";
+ $all[0]=~s/^=//;
+ for(@all){s/=$//;}
+ $Podnames{$pod} = 1;
+ $in_list=0;
+ $html=$pod.".html";
+ if($count){
+ open(HTML,">$html") || die "can't create $html: $ERRNO";
+ print HTML <<'HTML__EOQ', <<"HTML__EOQQ";
+ <!-- \$RCSfile\$\$Revision\$\$Date\$ -->
+ <!-- \$Log\$ -->
+ <HTML>
+HTML__EOQ
+ <TITLE> \U$pod\E </TITLE>
+HTML__EOQQ
+ }
+
+ for($i=0;$i<=$#all;$i++){
+
+ $all[$i] =~ /^(\w+)\s*(.*)\n?([^\0]*)$/ ;
+ ($cmd, $title, $rest) = ($1,$2,$3);
+ if ($cmd eq "item") {
+ if($count ){
+ ($depth) or do_list("over",$all[$i],\$in_list,\$depth);
+ do_item($title,$rest,$in_list);
+ }
+ else{
+ # scan item
+ scan_thing("item",$title,$pod);
+ }
+ }
+ elsif ($cmd =~ /^head([12])/){
+ $num=$1;
+ if($count){
+ do_hdr($num,$title,$rest,$depth);
+ }
+ else{
+ # header scan
+ scan_thing($cmd,$title,$pod); # skip head1
+ }
+ }
+ elsif ($cmd =~ /^over/) {
+ $count and $depth and do_list("over",$all[$i+1],\$in_list,\$depth);
+ }
+ elsif ($cmd =~ /^back/) {
+ if($count){
+ ($depth) or next; # just skip it
+ do_list("back",$all[$i+1],\$in_list,\$depth);
+ do_rest("$title.$rest");
+ }
+ }
+ elsif ($cmd =~ /^cut/) {
+ next;
+ }
+ elsif($Debug){
+ (warn "unrecognized header: $cmd") if $Debug;
+ }
+ }
+ # close open lists without '=back' stmts
+ if($count){
+ while($depth){
+ do_list("back",$all[$i+1],\$in_list,\$depth);
+ }
+ print HTML "\n</HTML>\n";
+ }
+ }
+}
+
+sub do_list{
+ my($which,$next_one,$list_type,$depth)=@_;
+ my($key);
+ if($which eq "over"){
+ ($next_one =~ /^item\s+(.*)/ ) or (warn "Bad list, $1\n") if $Debug;
+ $key=$1;
+ if($key =~ /^1\.?/){
+ $$list_type = "OL";
+ }
+ elsif($key =~ /\*\s*$/){
+ $$list_type="UL";
+ }
+ elsif($key =~ /\*?\s*\w/){
+ $$list_type="DL";
+ }
+ else{
+ (warn "unknown list type for item $key") if $Debug;
+ }
+ print HTML qq{\n};
+ print HTML qq{<$$list_type>};
+ $$depth++;
+ }
+ elsif($which eq "back"){
+ print HTML qq{\n</$$list_type>\n};
+ $$depth--;
+ }
+}
+
+sub do_hdr{
+ my($num,$title,$rest,$depth)=@_;
+ ($num == 1) and print HTML qq{<p><hr>\n};
+ process_thing(\$title,"NAME");
+ print HTML qq{\n<H$num> };
+ print HTML $title;
+ print HTML qq{</H$num>\n};
+ do_rest($rest);
+}
+
+sub do_item{
+ my($title,$rest,$list_type)=@_;
+ process_thing(\$title,"NAME");
+ if($list_type eq "DL"){
+ print HTML qq{\n<DT><STRONG>\n};
+ print HTML $title;
+ print HTML qq{\n</STRONG></DT>\n};
+ print HTML qq{<DD>\n};
+ }
+ else{
+ print HTML qq{\n<LI>};
+ ($list_type ne "OL") && (print HTML $title,"\n");
+ }
+ do_rest($rest);
+ print HTML ($list_type eq "DL" )? qq{</DD>} : qq{</LI>};
+}
+
+sub do_rest{
+ my($rest)=@_;
+ my(@lines,$p,$q,$line,,@paras,$inpre);
+ @paras=split(/\n\n+/,$rest);
+ for($p=0;$p<=$#paras;$p++){
+ @lines=split(/\n/,$paras[$p]);
+ if($lines[0] =~ /^\s+\w*\t.*/){ # listing or unordered list
+ print HTML qq{<UL>};
+ foreach $line (@lines){
+ ($line =~ /^\s+(\w*)\t(.*)/) && (($key,$rem) = ($1,$2));
+ print HTML defined($Podnames{$key}) ?
+ "<LI>$type$key.html\">$key<\/A>\t$rem</LI>\n" :
+ "<LI>$line</LI>\n";
+ }
+ print HTML qq{</UL>\n};
+ }
+ elsif($lines[0] =~ /^\s/){ # preformatted code
+ if($paras[$p] =~/>>|<</){
+ print HTML qq{\n<PRE>\n};
+ $inpre=1;
+ }
+ else{
+ print HTML qq{\n<XMP>\n};
+ $inpre=0;
+ }
+inner:
+ while(defined($paras[$p])){
+ @lines=split(/\n/,$paras[$p]);
+ foreach $q (@lines){
+ if($paras[$p]=~/>>|<</){
+ if($inpre){
+ process_thing(\$q,"HTML");
+ }
+ else {
+ print HTML qq{\n</XMP>\n};
+ print HTML qq{<PRE>\n};
+ $inpre=1;
+ process_thing(\$q,"HTML");
+ }
+ }
+ while($q =~ s/\t+/' 'x (length($&) * 8 - length($`) % 8)/e){
+ 1;
+ }
+ print HTML $q,"\n";
+ }
+ last if $paras[$p+1] !~ /^\s/;
+ $p++;
+ }
+ print HTML ($inpre==1) ? (qq{\n</PRE>\n}) : (qq{\n</XMP>\n});
+ }
+ else{ # other text
+ @lines=split(/\n/,$paras[$p]);
+ foreach $line (@lines){
+ process_thing(\$line,"HTML");
+ print HTML qq{$line\n};
+ }
+ }
+ print HTML qq{<p>};
+ }
+}
+
+sub process_thing{
+ my($thing,$htype)=@_;
+ pre_escapes($thing);
+ find_refs($thing,$htype);
+ post_escapes($thing);
+}
+
+sub scan_thing{
+ my($cmd,$title,$pod)=@_;
+ $_=$title;
+ s/\n$//;
+ s/E<(.*?)>/&$1;/g;
+ # remove any formatting information for the headers
+ s/[SFCBI]<(.*?)>/$1/g;
+ # the "don't format me" thing
+ s/Z<>//g;
+ if ($cmd eq "item") {
+
+ if (/^\*/) { return } # skip bullets
+ if (/^\d+\./) { return } # skip numbers
+ s/(-[a-z]).*/$1/i;
+ trim($_);
+ return if defined $A->{$pod}->{"Items"}->{$_};
+ $A->{$pod}->{"Items"}->{$_} = gensym($pod, $_);
+ $A->{$pod}->{"Items"}->{(split(' ',$_))[0]}=$A->{$pod}->{"Items"}->{$_};
+ Debug("items", "item $_");
+ if (!/^-\w$/ && /([%\$\@\w]+)/ && $1 ne $_
+ && !defined($A->{$pod}->{"Items"}->{$_}) && ($_ ne $1))
+ {
+ $A->{$pod}->{"Items"}->{$1} = $A->{$pod}->{"Items"}->{$_};
+ Debug("items", "item $1 REF TO $_");
+ }
+ if ( m{^(tr|y|s|m|q[qwx])/.*[^/]} ) {
+ my $pf = $1 . '//';
+ $pf .= "/" if $1 eq "tr" || $1 eq "y" || $1 eq "s";
+ if ($pf ne $_) {
+ $A->{$pod}->{"Items"}->{$pf} = $A->{$pod}->{"Items"}->{$_};
+ Debug("items", "item $pf REF TO $_");
+ }
+ }
+ }
+ elsif ($cmd =~ /^head[12]/){
+ return if defined($Headers{$_});
+ $A->{$pod}->{"Headers"}->{$_} = gensym($pod, $_);
+ Debug("headers", "header $_");
+ }
+ else {
+ (warn "unrecognized header: $cmd") if $Debug;
+ }
+}
+
+
+sub picrefs {
+ my($char, $bigkey, $lilkey,$htype) = @_;
+ my($key,$ref,$podname);
+ for $podname ($pod,@inclusions){
+ for $ref ( "Items", "Headers" ) {
+ if (defined $A->{$podname}->{$ref}->{$bigkey}) {
+ $value = $A->{$podname}->{$ref}->{$key=$bigkey};
+ Debug("subs", "bigkey is $bigkey, value is $value\n");
+ }
+ elsif (defined $A->{$podname}->{$ref}->{$lilkey}) {
+ $value = $A->{$podname}->{$ref}->{$key=$lilkey};
+ return "" if $lilkey eq '';
+ Debug("subs", "lilkey is $lilkey, value is $value\n");
+ }
+ }
+ if (length($key)) {
+ ($pod2,$num) = split(/_/,$value,2);
+ if($htype eq "NAME"){
+ return "\n<A NAME=\"".$value."\">\n$bigkey</A>\n"
+ }
+ else{
+ return "\n$type$pod2.html\#".$value."\">$bigkey<\/A>\n";
+ }
+ }
+ }
+ if ($char =~ /[IF]/) {
+ return "<EM> $bigkey </EM>";
+ } elsif($char =~ /C/) {
+ return "<CODE> $bigkey </CODE>";
+ } else {
+ return "<STRONG> $bigkey </STRONG>";
+ }
+}
+
+sub find_refs {
+ my($thing,$htype)=@_;
+ my($orig) = $$thing;
+ # LREF: a manpage(3f) we don't know about
+ $$thing=~s:L<([a-zA-Z][^\s\/]+)(\([^\)]+\))>:the I<$1>$2 manpage:g;
+ $$thing=~s/L<([^>]*)>/lrefs($1,$htype)/ge;
+ $$thing=~s/([CIBF])<(\W*?(-?\w*).*?)>/picrefs($1, $2, $3, $htype)/ge;
+ $$thing=~s/((\w+)\(\))/picrefs("I", $1, $2,$htype)/ge;
+ $$thing=~s/([\$\@%](?!&[gl]t)([\w:]+|\W\b))/varrefs($1,$htype)/ge;
+ (($$thing eq $orig) && ($htype eq "NAME")) &&
+ ($$thing=picrefs("I", $$thing, "", $htype));
+}
+
+sub lrefs {
+ my($page, $item) = split(m#/#, $_[0], 2);
+ my($htype)=$_[1];
+ my($podname);
+ my($section) = $page =~ /\((.*)\)/;
+ my $selfref;
+ if ($page =~ /^[A-Z]/ && $item) {
+ $selfref++;
+ $item = "$page/$item";
+ $page = $pod;
+ } elsif (!$item && $page =~ /[^a-z\-]/ && $page !~ /^\$.$/) {
+ $selfref++;
+ $item = $page;
+ $page = $pod;
+ }
+ $item =~ s/\(\)$//;
+ if (!$item) {
+ if (!defined $section && defined $Podnames{$page}) {
+ return "\n$type$page.html\">\nthe <EM> $page </EM> manpage<\/A>\n";
+ } else {
+ (warn "Bizarre entry $page/$item") if $Debug;
+ return "the <EM> $_[0] </EM> manpage\n";
+ }
+ }
+
+ if ($item =~ s/"(.*)"/$1/ || ($item =~ /[^\w\/\-]/ && $item !~ /^\$.$/)) {
+ $text = "<EM> $item </EM>";
+ $ref = "Headers";
+ } else {
+ $text = "<EM> $item </EM>";
+ $ref = "Items";
+ }
+ for $podname ($pod, @inclusions){
+ undef $value;
+ if ($ref eq "Items") {
+ if (defined($value = $A->{$podname}->{$ref}->{$item})) {
+ ($pod2,$num) = split(/_/,$value,2);
+ return (($pod eq $pod2) && ($htype eq "NAME"))
+ ? "\n<A NAME=\"".$value."\">\n$text</A>\n"
+ : "\n$type$pod2.html\#".$value."\">$text<\/A>\n";
+ }
+ }
+ elsif($ref eq "Headers") {
+ if (defined($value = $A->{$podname}->{$ref}->{$item})) {
+ ($pod2,$num) = split(/_/,$value,2);
+ return (($pod eq $pod2) && ($htype eq "NAME"))
+ ? "\n<A NAME=\"".$value."\">\n$text</A>\n"
+ : "\n$type$pod2.html\#".$value."\">$text<\/A>\n";
+ }
+ }
+ }
+ (warn "No $ref reference for $item (@_)") if $Debug;
+ return $text;
+}
+
+sub varrefs {
+ my ($var,$htype) = @_;
+ for $podname ($pod,@inclusions){
+ if ($value = $A->{$podname}->{"Items"}->{$var}) {
+ ($pod2,$num) = split(/_/,$value,2);
+ Debug("vars", "way cool -- var ref on $var");
+ return (($pod eq $pod2) && ($htype eq "NAME")) # INHERIT $_, $pod
+ ? "\n<A NAME=\"".$value."\">\n$var</A>\n"
+ : "\n$type$pod2.html\#".$value."\">$var<\/A>\n";
+ }
+ }
+ Debug( "vars", "bummer, $var not a var");
+ return "<STRONG> $var </STRONG>";
+}
+
+sub gensym {
+ my ($podname, $key) = @_;
+ $key =~ s/\s.*//;
+ ($key = lc($key)) =~ tr/a-z/_/cs;
+ my $name = "${podname}_${key}_0";
+ $name =~ s/__/_/g;
+ while ($sawsym{$name}++) {
+ $name =~ s/_?(\d+)$/'_' . ($1 + 1)/e;
+ }
+ return $name;
+}
+
+sub pre_escapes {
+ my($thing)=@_;
+ $$thing=~s/&/noremap("&amp;")/ge;
+ $$thing=~s/<</noremap("&lt;&lt;")/eg;
+ $$thing=~s/(?:[^ESIBLCF])</noremap("&lt;")/eg;
+ $$thing=~s/E<([^\/][^<>]*)>/\&$1\;/g; # embedded special
+}
+
+sub noremap {
+ my $hide = $_[0];
+ $hide =~ tr/\000-\177/\200-\377/;
+ $hide;
+}
+
+sub post_escapes {
+ my($thing)=@_;
+ $$thing=~s/[^GM]>>/\&gt\;\&gt\;/g;
+ $$thing=~s/([^"MGAE])>/$1\&gt\;/g;
+ $$thing=~tr/\200-\377/\000-\177/;
+}
+
+sub Debug {
+ my $level = shift;
+ print STDERR @_,"\n" if $Debug{$level};
+}
+
+sub dumptable {
+ my $t = shift;
+ print STDERR "TABLE DUMP $t\n";
+ foreach $k (sort keys %$t) {
+ printf STDERR "%-20s <%s>\n", $t->{$k}, $k;
+ }
+}
+sub trim {
+ for (@_) {
+ s/^\s+//;
+ s/\s\n?$//;
+ }
+}
+
+
+!NO!SUBS!
+chmod 755 pod2html
+$eunicefix pod2html