From 681e14b3b823c3e700812b19c1f561e6370df0c4 Mon Sep 17 00:00:00 2001 From: TingPing Date: Mon, 20 Jan 2014 01:14:10 -0500 Subject: Remove unused perl files - old example scripts - outdated docs - mingw build script --- plugins/perl/lib/Pod/Html.pm | 2399 ------------------------------------------ 1 file changed, 2399 deletions(-) delete mode 100644 plugins/perl/lib/Pod/Html.pm (limited to 'plugins/perl/lib/Pod') diff --git a/plugins/perl/lib/Pod/Html.pm b/plugins/perl/lib/Pod/Html.pm deleted file mode 100644 index 3695564b..00000000 --- a/plugins/perl/lib/Pod/Html.pm +++ /dev/null @@ -1,2399 +0,0 @@ -package Pod::Html; -use strict; -require Exporter; - -use vars qw($VERSION @ISA @EXPORT @EXPORT_OK); -$VERSION = 1.08; -@ISA = qw(Exporter); -@EXPORT = qw(pod2html htmlify); -@EXPORT_OK = qw(anchorify); - -use Carp; -use Config; -use Cwd; -use File::Spec; -use File::Spec::Unix; -use Getopt::Long; - -use locale; # make \w work right in non-ASCII lands - -=head1 NAME - -Pod::Html - module to convert pod files to HTML - -=head1 SYNOPSIS - - use Pod::Html; - pod2html([options]); - -=head1 DESCRIPTION - -Converts files from pod format (see L) to HTML format. It -can automatically generate indexes and cross-references, and it keeps -a cache of things it knows how to cross-reference. - -=head1 FUNCTIONS - -=head2 pod2html - - pod2html("pod2html", - "--podpath=lib:ext:pod:vms", - "--podroot=/usr/src/perl", - "--htmlroot=/perl/nmanual", - "--libpods=perlfunc:perlguts:perlvar:perlrun:perlop", - "--recurse", - "--infile=foo.pod", - "--outfile=/perl/nmanual/foo.html"); - -pod2html takes the following arguments: - -=over 4 - -=item backlink - - --backlink="Back to Top" - -Adds "Back to Top" links in front of every C heading (except for -the first). By default, no backlinks are generated. - -=item cachedir - - --cachedir=name - -Creates the item and directory caches in the given directory. - -=item css - - --css=stylesheet - -Specify the URL of a cascading style sheet. Also disables all HTML/CSS -C - - - -$block -END_OF_HEAD - - # load/reload/validate/cache %Pages and %Items - get_cache( $Dircache, $Itemcache, \@Podpath, $Podroot, $Recurse ); - - # scan the pod for =item directives - scan_items( \%Local_Items, "", @poddata ); - - # put an index at the top of the file. note, if $Doindex is 0 we - # still generate an index, but surround it with an html comment. - # that way some other program can extract it if desired. - $index =~ s/--+/-/g; - - my $hr = ( $Doindex and $index ) ? qq(
) : ""; - - unless ($Doindex) { - $index = qq(\n); - } - - print HTML << "END_OF_INDEX"; - - -
-

-$index -$hr -
- - -END_OF_INDEX - - # now convert this file - my $after_item; # set to true after an =item - my $need_dd = 0; - warn "Converting input file $Podfile\n" if $Verbose; - foreach my $i ( 0 .. $#poddata ) { - $_ = $poddata[$i]; - $Paragraph = $i + 1; - if (/^(=.*)/s) { # is it a pod directive? - $Ignore = 0; - $after_item = 0; - $need_dd = 0; - $_ = $1; - if (/^=begin\s+(\S+)\s*(.*)/si) { # =begin - process_begin( $1, $2 ); - } elsif (/^=end\s+(\S+)\s*(.*)/si) { # =end - process_end( $1, $2 ); - } elsif (/^=cut/) { # =cut - process_cut(); - } elsif (/^=pod/) { # =pod - process_pod(); - } else { - next if @Begin_Stack && $Begin_Stack[-1] ne 'html'; - - if (/^=(head[1-6])\s+(.*\S)/s) { # =head[1-6] heading - process_head( $1, $2, $Doindex && $index ); - } elsif (/^=item\s*(.*\S)?/sm) { # =item text - $need_dd = process_item($1); - $after_item = 1; - } elsif (/^=over\s*(.*)/) { # =over N - process_over(); - } elsif (/^=back/) { # =back - process_back($need_dd); - } elsif (/^=for\s+(\S+)\s*(.*)/si) { # =for - process_for( $1, $2 ); - } else { - /^=(\S*)\s*/; - warn "$0: $Podfile: unknown pod directive '$1' in " - . "paragraph $Paragraph. ignoring.\n" - unless $Quiet; - } - } - $Top = 0; - } else { - next if $Ignore; - next if @Begin_Stack && $Begin_Stack[-1] ne 'html'; - print HTML and next if @Begin_Stack && $Begin_Stack[-1] eq 'html'; - print HTML "
\n" if $need_dd; - my $text = $_; - if ( $text =~ /\A\s+/ ) { - process_pre( \$text ); - print HTML "
\n$text
\n"; - - } else { - process_text( \$text ); - - # experimental: check for a paragraph where all lines - # have some ...\t...\t...\n pattern - if ( $text =~ /\t/ ) { - my @lines = split( "\n", $text ); - if ( @lines > 1 ) { - my $all = 2; - foreach my $line (@lines) { - if ( $line =~ /\S/ && $line !~ /\t/ ) { - $all--; - last if $all == 0; - } - } - if ( $all > 0 ) { - $text =~ s/\t+//g; - $text =~ s/^//gm; - $text = - '' - . $text - . '
'; - } - } - } - ## end of experimental - - if ($after_item) { - $After_Lpar = 1; - } - print HTML "

$text

\n"; - } - print HTML "
\n" if $need_dd; - $after_item = 0; - } - } - - # finish off any pending directives - finish_list(); - - # link to page index - print HTML "

$Backlink

\n" - if $Doindex - and $index - and $Backlink; - - print HTML < - - -END_OF_TAIL - - # close the html file - close(HTML); - - warn "Finished\n" if $Verbose; -} - -############################################################################## - -sub usage { - my $podfile = shift; - warn "$0: $podfile: @_\n" if @_; - die < --infile= --outfile= - --podpath=:...: --podroot= - --libpods=:...: --recurse --verbose --index - --netscape --norecurse --noindex --cachedir= - - --backlink - set text for "back to top" links (default: none). - --cachedir - directory for the item and directory cache files. - --css - stylesheet URL - --flush - flushes the item and directory caches. - --[no]header - produce block header/footer (default is no headers). - --help - prints this message. - --hiddendirs - search hidden directories in podpath - --htmldir - directory for resulting HTML files. - --htmlroot - http-server base directory from which all relative paths - in podpath stem (default is /). - --[no]index - generate an index at the top of the resulting html - (default behaviour). - --infile - filename for the pod to convert (input taken from stdin - by default). - --libpods - colon-separated list of pages to search for =item pod - directives in as targets of C<> and implicit links (empty - by default). note, these are not filenames, but rather - page names like those that appear in L<> links. - --outfile - filename for the resulting html file (output sent to - stdout by default). - --podpath - colon-separated list of directories containing library - pods (empty by default). - --podroot - filesystem base directory from which all relative paths - in podpath stem (default is .). - --[no]quiet - suppress some benign warning messages (default is off). - --[no]recurse - recurse on those subdirectories listed in podpath - (default behaviour). - --title - title that will appear in resulting html file. - --[no]verbose - self-explanatory (off by default). - --[no]netscape - deprecated, has no effect. for backwards compatibility only. - -END_OF_USAGE - -} - -sub parse_command_line { - my ( - $opt_backlink, $opt_cachedir, $opt_css, $opt_flush, - $opt_header, $opt_help, $opt_htmldir, $opt_htmlroot, - $opt_index, $opt_infile, $opt_libpods, $opt_netscape, - $opt_outfile, $opt_podpath, $opt_podroot, $opt_quiet, - $opt_recurse, $opt_title, $opt_verbose, $opt_hiddendirs - ); - - unshift @ARGV, split ' ', $Config{pod2html} if $Config{pod2html}; - my $result = GetOptions( - 'backlink=s' => \$opt_backlink, - 'cachedir=s' => \$opt_cachedir, - 'css=s' => \$opt_css, - 'flush' => \$opt_flush, - 'header!' => \$opt_header, - 'help' => \$opt_help, - 'hiddendirs!' => \$opt_hiddendirs, - 'htmldir=s' => \$opt_htmldir, - 'htmlroot=s' => \$opt_htmlroot, - 'index!' => \$opt_index, - 'infile=s' => \$opt_infile, - 'libpods=s' => \$opt_libpods, - 'netscape!' => \$opt_netscape, - 'outfile=s' => \$opt_outfile, - 'podpath=s' => \$opt_podpath, - 'podroot=s' => \$opt_podroot, - 'quiet!' => \$opt_quiet, - 'recurse!' => \$opt_recurse, - 'title=s' => \$opt_title, - 'verbose!' => \$opt_verbose, - ); - usage( "-", "invalid parameters" ) if not $result; - - usage("-") if defined $opt_help; # see if the user asked for help - $opt_help = ""; # just to make -w shut-up. - - @Podpath = split( ":", $opt_podpath ) if defined $opt_podpath; - @Libpods = split( ":", $opt_libpods ) if defined $opt_libpods; - - $Backlink = $opt_backlink if defined $opt_backlink; - $Cachedir = $opt_cachedir if defined $opt_cachedir; - $Css = $opt_css if defined $opt_css; - $Header = $opt_header if defined $opt_header; - $Htmldir = $opt_htmldir if defined $opt_htmldir; - $Htmlroot = $opt_htmlroot if defined $opt_htmlroot; - $Doindex = $opt_index if defined $opt_index; - $Podfile = $opt_infile if defined $opt_infile; - $HiddenDirs = $opt_hiddendirs if defined $opt_hiddendirs; - $Htmlfile = $opt_outfile if defined $opt_outfile; - $Podroot = $opt_podroot if defined $opt_podroot; - $Quiet = $opt_quiet if defined $opt_quiet; - $Recurse = $opt_recurse if defined $opt_recurse; - $Title = $opt_title if defined $opt_title; - $Verbose = $opt_verbose if defined $opt_verbose; - - warn "Flushing item and directory caches\n" - if $opt_verbose && defined $opt_flush; - $Dircache = "$Cachedir/pod2htmd.tmp"; - $Itemcache = "$Cachedir/pod2htmi.tmp"; - if ( defined $opt_flush ) { - 1 while unlink( $Dircache, $Itemcache ); - } -} - -my $Saved_Cache_Key; - -sub get_cache { - my ( $dircache, $itemcache, $podpath, $podroot, $recurse ) = @_; - my @cache_key_args = @_; - - # A first-level cache: - # Don't bother reading the cache files if they still apply - # and haven't changed since we last read them. - - my $this_cache_key = cache_key(@cache_key_args); - - return if $Saved_Cache_Key and $this_cache_key eq $Saved_Cache_Key; - - # load the cache of %Pages and %Items if possible. $tests will be - # non-zero if successful. - my $tests = 0; - if ( -f $dircache && -f $itemcache ) { - warn "scanning for item cache\n" if $Verbose; - $tests = load_cache( $dircache, $itemcache, $podpath, $podroot ); - } - - # if we didn't succeed in loading the cache then we must (re)build - # %Pages and %Items. - if ( !$tests ) { - warn "scanning directories in pod-path\n" if $Verbose; - scan_podpath( $podroot, $recurse, 0 ); - } - $Saved_Cache_Key = cache_key(@cache_key_args); -} - -sub cache_key { - my ( $dircache, $itemcache, $podpath, $podroot, $recurse ) = @_; - return join( '!', - $dircache, $itemcache, $recurse, @$podpath, $podroot, stat($dircache), - stat($itemcache) ); -} - -# -# load_cache - tries to find if the caches stored in $dircache and $itemcache -# are valid caches of %Pages and %Items. if they are valid then it loads -# them and returns a non-zero value. -# -sub load_cache { - my ( $dircache, $itemcache, $podpath, $podroot ) = @_; - my ($tests); - local $_; - - $tests = 0; - - open( CACHE, "<$itemcache" ) - || die "$0: error opening $itemcache for reading: $!\n"; - $/ = "\n"; - - # is it the same podpath? - $_ = ; - chomp($_); - $tests++ if ( join( ":", @$podpath ) eq $_ ); - - # is it the same podroot? - $_ = ; - chomp($_); - $tests++ if ( $podroot eq $_ ); - - # load the cache if its good - if ( $tests != 2 ) { - close(CACHE); - return 0; - } - - warn "loading item cache\n" if $Verbose; - while () { - /(.*?) (.*)$/; - $Items{$1} = $2; - } - close(CACHE); - - warn "scanning for directory cache\n" if $Verbose; - open( CACHE, "<$dircache" ) - || die "$0: error opening $dircache for reading: $!\n"; - $/ = "\n"; - $tests = 0; - - # is it the same podpath? - $_ = ; - chomp($_); - $tests++ if ( join( ":", @$podpath ) eq $_ ); - - # is it the same podroot? - $_ = ; - chomp($_); - $tests++ if ( $podroot eq $_ ); - - # load the cache if its good - if ( $tests != 2 ) { - close(CACHE); - return 0; - } - - warn "loading directory cache\n" if $Verbose; - while () { - /(.*?) (.*)$/; - $Pages{$1} = $2; - } - - close(CACHE); - - return 1; -} - -# -# scan_podpath - scans the directories specified in @podpath for directories, -# .pod files, and .pm files. it also scans the pod files specified in -# @Libpods for =item directives. -# -sub scan_podpath { - my ( $podroot, $recurse, $append ) = @_; - my ( $pwd, $dir ); - my ( $libpod, $dirname, $pod, @files, @poddata ); - - unless ($append) { - %Items = (); - %Pages = (); - } - - # scan each directory listed in @Podpath - $pwd = getcwd(); - chdir($podroot) - || die "$0: error changing to directory $podroot: $!\n"; - foreach $dir (@Podpath) { - scan_dir( $dir, $recurse ); - } - - # scan the pods listed in @Libpods for =item directives - foreach $libpod (@Libpods) { - - # if the page isn't defined then we won't know where to find it - # on the system. - next unless defined $Pages{$libpod} && $Pages{$libpod}; - - # if there is a directory then use the .pod and .pm files within it. - # NOTE: Only finds the first so-named directory in the tree. - # if ($Pages{$libpod} =~ /([^:]*[^(\.pod|\.pm)]):/) { - if ( $Pages{$libpod} =~ /([^:]*(?; - close(POD); - clean_data( \@poddata ); - - scan_items( \%Items, "$dirname/$pod", @poddata ); - } - - # use the names of files as =item directives too. -### Don't think this should be done this way - confuses issues.(WL) -### foreach $pod (@files) { -### $pod =~ /^(.*)(\.pod|\.pm)$/; -### $Items{$1} = "$dirname/$1.html" if $1; -### } - } elsif ( $Pages{$libpod} =~ /([^:]*\.pod):/ - || $Pages{$libpod} =~ /([^:]*\.pm):/ ) - { - - # scan the .pod or .pm file for =item directives - $pod = $1; - open( POD, "<$pod" ) - || die "$0: error opening $pod for input: $!\n"; - @poddata = ; - close(POD); - clean_data( \@poddata ); - - scan_items( \%Items, "$pod", @poddata ); - } else { - warn "$0: shouldn't be here (line " . __LINE__ . "\n" unless $Quiet; - } - } - @poddata = (); # clean-up a bit - - chdir($pwd) - || die "$0: error changing to directory $pwd: $!\n"; - - # cache the item list for later use - warn "caching items for later use\n" if $Verbose; - open( CACHE, ">$Itemcache" ) - || die "$0: error open $Itemcache for writing: $!\n"; - - print CACHE join( ":", @Podpath ) . "\n$podroot\n"; - foreach my $key ( keys %Items ) { - print CACHE "$key $Items{$key}\n"; - } - - close(CACHE); - - # cache the directory list for later use - warn "caching directories for later use\n" if $Verbose; - open( CACHE, ">$Dircache" ) - || die "$0: error open $Dircache for writing: $!\n"; - - print CACHE join( ":", @Podpath ) . "\n$podroot\n"; - foreach my $key ( keys %Pages ) { - print CACHE "$key $Pages{$key}\n"; - } - - close(CACHE); -} - -# -# scan_dir - scans the directory specified in $dir for subdirectories, .pod -# files, and .pm files. notes those that it finds. this information will -# be used later in order to figure out where the pages specified in L<> -# links are on the filesystem. -# -sub scan_dir { - my ( $dir, $recurse ) = @_; - my ( $t, @subdirs, @pods, $pod, $dirname, @dirs ); - local $_; - - @subdirs = (); - @pods = (); - - opendir( DIR, $dir ) - || die "$0: error opening directory $dir: $!\n"; - while ( defined( $_ = readdir(DIR) ) ) { - if ( -d "$dir/$_" - && $_ ne "." - && $_ ne ".." - && ( $HiddenDirs || !/^\./ ) ) - { # directory - $Pages{$_} = "" unless defined $Pages{$_}; - $Pages{$_} .= "$dir/$_:"; - push( @subdirs, $_ ); - } elsif (/\.pod\z/) { # .pod - s/\.pod\z//; - $Pages{$_} = "" unless defined $Pages{$_}; - $Pages{$_} .= "$dir/$_.pod:"; - push( @pods, "$dir/$_.pod" ); - } elsif (/\.html\z/) { # .html - s/\.html\z//; - $Pages{$_} = "" unless defined $Pages{$_}; - $Pages{$_} .= "$dir/$_.pod:"; - } elsif (/\.pm\z/) { # .pm - s/\.pm\z//; - $Pages{$_} = "" unless defined $Pages{$_}; - $Pages{$_} .= "$dir/$_.pm:"; - push( @pods, "$dir/$_.pm" ); - } elsif ( -T "$dir/$_" ) { # script(?) - local *F; - if ( open( F, "$dir/$_" ) ) { - my $line; - while ( defined( $line = ) ) { - if ( $line =~ /^=(?:pod|head1)/ ) { - $Pages{$_} = "" unless defined $Pages{$_}; - $Pages{$_} .= "$dir/$_.pod:"; - last; - } - } - close(F); - } - } - } - closedir(DIR); - - # recurse on the subdirectories if necessary - if ($recurse) { - foreach my $subdir (@subdirs) { - scan_dir( "$dir/$subdir", $recurse ); - } - } -} - -# -# scan_headings - scan a pod file for head[1-6] tags, note the tags, and -# build an index. -# -sub scan_headings { - my ( $sections, @data ) = @_; - my ( $tag, $which_head, $otitle, $listdepth, $index ); - - local $Ignore = 0; - - $listdepth = 0; - $index = ""; - - # scan for =head directives, note their name, and build an index - # pointing to each of them. - foreach my $line (@data) { - if ( $line =~ /^=(head)([1-6])\s+(.*)/ ) { - ( $tag, $which_head, $otitle ) = ( $1, $2, $3 ); - - my $title = depod($otitle); - my $name = anchorify($title); - $$sections{$name} = 1; - $title = process_text( \$otitle ); - - while ( $which_head != $listdepth ) { - if ( $which_head > $listdepth ) { - $index .= "\n" - . ( "\t" x ($listdepth) ) - . ( $listdepth > 0 ? qq{
  • \n} - . "\t"x($listdepth + 1): "" ) - . "
      "; - $listdepth++; - } elsif ( $which_head < $listdepth ) { - $listdepth--; - $index .= "\n" - . ( "\t" x $listdepth ) - . ( $listdepth > 0 ? "\t" : "" ) - . "
    " - . ( $listdepth >= 0 ? "\n" . ("\t"x$listdepth) - . "
  • " : "" ) - . "\n"; - } - } - - $index .= "\n" - . ( "\t" x $listdepth ) . "
  • " - . "" - . $title - . "
  • "; - } - } - - # finish off the lists - while ( $listdepth-- ) { - $index .= "\n" . ( "\t" x $listdepth ) - . ($listdepth > 0 ? "\t" : "") - ."\n" - . ($listdepth > 0 ? ("\t" x $listdepth) . "" : "" ); - } - - # get rid of bogus lists - $index =~ s,\t*
      \s*
    \n,,g; - - return $index; -} - -# -# scan_items - scans the pod specified by $pod for =item directives. we -# will use this information later on in resolving C<> links. -# -sub scan_items { - my ( $itemref, $pod, @poddata ) = @_; - my ( $i, $item ); - local $_; - - $pod =~ s/\.pod\z//; - $pod .= ".html" if $pod; - - foreach $i ( 0 .. $#poddata ) { - my $txt = depod( $poddata[$i] ); - - # figure out what kind of item it is. - # Build string for referencing this item. - if ( $txt =~ /\A=item\s+\*\s*(.*)\Z/s ) { # bullet - next unless $1; - $item = $1; - } elsif ( $txt =~ /\A=item\s+(?>\d+\.?)\s*(.*)\Z/s ) { # numbered list - $item = $1; - } elsif ( $txt =~ /\A=item\s+(.*)\Z/s ) { # plain item - $item = $1; - } else { - next; - } - my $fid = fragment_id($item); - $$itemref{$fid} = "$pod" if $fid; - } -} - -# -# process_head - convert a pod head[1-6] tag and convert it to HTML format. -# -sub process_head { - my ( $tag, $heading, $hasindex ) = @_; - - # figure out the level of the =head - $tag =~ /head([1-6])/; - my $level = $1; - - if ($Listlevel) { - warn -"$0: $Podfile: unterminated list at =head in paragraph $Paragraph. ignoring.\n" - unless $Quiet; - while ($Listlevel) { - process_back(); - } - } - - print HTML "

    \n"; - if ( $level == 1 && !$Top ) { - print HTML "$Backlink\n" - if $hasindex and $Backlink; - print HTML "

    \n
    \n"; - } else { - print HTML "

    \n"; - } - - my $name = anchorify( depod($heading) ); - my $convert = process_text( \$heading ); - $convert =~ s{]+>}{}g; - print HTML "$convert\n"; -} - -# -# emit_item_tag - print an =item's text -# Note: The global $EmittedItem is used for inhibiting self-references. -# -my $EmittedItem; - -sub emit_item_tag($$$) { - my ( $otext, $text, $compact ) = @_; - my $item = fragment_id( depod($text), -generate ); - Carp::confess( "Undefined fragment '$text' (" - . depod($text) - . ") from fragment_id() in emit_item_tag() in $Podfile" ) - if !defined $item; - $EmittedItem = $item; - ### print STDERR "emit_item_tag=$item ($text)\n"; - - print HTML ''; - if ( $Items_Named{$item}++ ) { - print HTML process_text( \$otext ); - } else { - my $name = $item; - $name = anchorify($name); - print HTML -#qq{}, - process_text( \$otext ), - # '' - ; - } - print HTML "\n"; - undef($EmittedItem); -} - -sub emit_li { - my ($tag) = @_; - if ( $Items_Seen[$Listlevel]++ == 0 ) { - push( @Listend, "" ); - print HTML "<$tag>\n"; - } - my $emitted = $tag eq 'dl' ? 'dt' : 'li'; - print HTML "<$emitted>"; - return $emitted; -} - -# -# process_item - convert a pod item tag and convert it to HTML format. -# -sub process_item { - my ($otext) = @_; - my $need_dd = 0; # set to 1 if we need a
    after an item - - # lots of documents start a list without doing an =over. this is - # bad! but, the proper thing to do seems to be to just assume - # they did do an =over. so warn them once and then continue. - if ( $Listlevel == 0 ) { - warn -"$0: $Podfile: unexpected =item directive in paragraph $Paragraph. ignoring.\n" - unless $Quiet; - process_over(); - } - - # formatting: insert a paragraph if preceding item has >1 paragraph - if ($After_Lpar) { - print HTML $need_dd ? "\n" : "\n" if $After_Lpar; - $After_Lpar = 0; - } - - # remove formatting instructions from the text - my $text = depod($otext); - - my $emitted; # the tag actually emitted, used for closing - - # all the list variants: - if ( $text =~ /\A\*/ ) { # bullet - $emitted = emit_li('ul'); - if ( $text =~ /\A\*\s+(\S.*)\Z/s ) { # with additional text - my $tag = $1; - $otext =~ s/\A\*\s+//; - emit_item_tag( $otext, $tag, 1 ); - } - print HTML "" - } elsif ( $text =~ /\A\d+/ ) { # numbered list - $emitted = emit_li('ol'); - if ( $text =~ /\A(?>\d+\.?)\s*(\S.*)\Z/s ) { # with additional text - my $tag = $1; - $otext =~ s/\A\d+\.?\s*//; - emit_item_tag( $otext, $tag, 1 ); - } - print HTML ""; - } else { # definition list - $emitted = emit_li('dl'); - if ( $text =~ /\A(.+)\Z/s ) { # should have text - emit_item_tag( $otext, $text, 1 ); - } - $need_dd = 1; - } - print HTML "\n"; - return $need_dd; -} - -# -# process_over - process a pod over tag and start a corresponding HTML list. -# -sub process_over { - - # start a new list - $Listlevel++; - push( @Items_Seen, 0 ); - $After_Lpar = 0; -} - -# -# process_back - process a pod back tag and convert it to HTML format. -# -sub process_back { - my $need_dd = shift; - if ( $Listlevel == 0 ) { - warn -"$0: $Podfile: unexpected =back directive in paragraph $Paragraph. ignoring.\n" - unless $Quiet; - return; - } - - # close off the list. note, I check to see if $Listend[$Listlevel] is - # defined because an =item directive may have never appeared and thus - # $Listend[$Listlevel] may have never been initialized. - $Listlevel--; - if ( defined $Listend[$Listlevel] ) { - print HTML $need_dd ? "\n" : "\n" if $After_Lpar; - print HTML $Listend[$Listlevel]; - print HTML "\n"; - pop(@Listend); - } - $After_Lpar = 0; - - # clean up item count - pop(@Items_Seen); -} - -# -# process_cut - process a pod cut tag, thus start ignoring pod directives. -# -sub process_cut { - $Ignore = 1; -} - -# -# process_pod - process a pod tag, thus stop ignoring pod directives -# until we see a corresponding cut. -# -sub process_pod { - - # no need to set $Ignore to 0 cause the main loop did it -} - -# -# process_for - process a =for pod tag. if it's for html, spit -# it out verbatim, if illustration, center it, otherwise ignore it. -# -sub process_for { - my ( $whom, $text ) = @_; - if ( $whom =~ /^(pod2)?html$/i ) { - print HTML $text; - } elsif ( $whom =~ /^illustration$/i ) { - 1 while chomp $text; - for my $ext (qw[.png .gif .jpeg .jpg .tga .pcl .bmp]) { - $text .= $ext, last if -r "$text$ext"; - } - print HTML -qq{

    $text illustration

    }; - } -} - -# -# process_begin - process a =begin pod tag. this pushes -# whom we're beginning on the begin stack. if there's a -# begin stack, we only print if it us. -# -sub process_begin { - my ( $whom, $text ) = @_; - $whom = lc($whom); - push( @Begin_Stack, $whom ); - if ( $whom =~ /^(pod2)?html$/ ) { - print HTML $text if $text; - } -} - -# -# process_end - process a =end pod tag. pop the -# begin stack. die if we're mismatched. -# -sub process_end { - my ( $whom, $text ) = @_; - $whom = lc($whom); - if ( !defined $Begin_Stack[-1] or $Begin_Stack[-1] ne $whom ) { - Carp::confess( - "Unmatched begin/end at chunk $Paragraph in pod $Podfile\n"); - } - pop(@Begin_Stack); -} - -# -# process_pre - indented paragraph, made into
    
    -#
    -sub process_pre {
    -	my ($text) = @_;
    -	my ($rest);
    -	return if $Ignore;
    -
    -	$rest = $$text;
    -
    -	# insert spaces in place of tabs
    -	$rest =~ s#(.+)#
    -	    my $line = $1;
    -            1 while $line =~ s/(\t+)/' ' x ((length($1) * 8) - $-[0] % 8)/e;
    -	    $line;
    -	#eg;
    -
    -	# convert some special chars to HTML escapes
    -	$rest = html_escape($rest);
    -
    -	# try and create links for all occurrences of perl.* within
    -	# the preformatted text.
    -	$rest =~ s{
    -	         (\s*)(perl\w+)
    -	      }{
    -		 if ( defined $Pages{$2} ){	# is a link
    -		     qq($1$2);
    -		 } elsif (defined $Pages{dosify($2)}) {	# is a link
    -		     qq($1$2);
    -		 } else {
    -		     "$1$2";
    -		 }
    -	      }xeg;
    -	$rest =~ s{
    -		 ('
    -	|			# or:
    -	    [$punc]*		# 0 or more punctuation
    -	    (?:			#   followed
    -		[^$any]		#   by a non-url char
    -	    |			#   or
    -		$		#   end of the string
    -	    )			#
    -	|			# or else
    -	    $			#   then end of the string
    -        )
    -      }{$1}igox;
    -
    -	# text should be as it is (verbatim)
    -	$$text = $rest;
    -}
    -
    -#
    -# pure text processing
    -#
    -# pure_text/inIS_text: differ with respect to automatic C<> recognition.
    -# we don't want this to happen within IS
    -#
    -sub pure_text($) {
    -	my $text = shift();
    -	process_puretext( $text, 1 );
    -}
    -
    -sub inIS_text($) {
    -	my $text = shift();
    -	process_puretext( $text, 0 );
    -}
    -
    -#
    -# process_puretext - process pure text (without pod-escapes) converting
    -#  double-quotes and handling implicit C<> links.
    -#
    -sub process_puretext {
    -	my ( $text, $notinIS ) = @_;
    -
    -	## Guessing at func() or [\$\@%&]*var references in plain text is destined
    -	## to produce some strange looking ref's. uncomment to disable:
    -	## $notinIS = 0;
    -
    -	my ( @words, $lead, $trail );
    -
    -	# keep track of leading and trailing white-space
    -	$lead  = ( $text =~ s/\A(\s+)//s ? $1 : "" );
    -	$trail = ( $text =~ s/(\s+)\Z//s ? $1 : "" );
    -
    -	# split at space/non-space boundaries
    -	@words = split( /(?<=\s)(?=\S)|(?<=\S)(?=\s)/, $text );
    -
    -	# process each word individually
    -	foreach my $word (@words) {
    -
    -		# skip space runs
    -		next if $word =~ /^\s*$/;
    -
    -		# see if we can infer a link or a function call
    -		#
    -		# NOTE: This is a word based search, it won't automatically
    -		# mark "substr($var, 1, 2)" because the 1st word would be "substr($var"
    -		# User has to enclose those with proper C<>
    -
    -		if (
    -			   $notinIS
    -			&& $word =~ m/
    -		^([a-z_]{2,})                 # The function name
    -		\(
    -		    ([0-9][a-z]*              # Manual page(1) or page(1M)
    -		    |[^)]*[\$\@\%][^)]+       # ($foo), (1, @foo), (%hash)
    -		    |                         # ()
    -		    )
    -		\)
    -		([.,;]?)$                     # a possible punctuation follows
    -	    /xi
    -			)
    -		{
    -
    -			# has parenthesis so should have been a C<> ref
    -			## try for a pagename (perlXXX(1))?
    -			my ( $func, $args, $rest ) = ( $1, $2, $3 || '' );
    -			if ( $args =~ /^\d+$/ ) {
    -				my $url = page_sect( $word, '' );
    -				if ( defined $url ) {
    -					$word =
    -qq(the $word manpage$rest);
    -					next;
    -				}
    -			}
    -			## try function name for a link, append tt'ed argument list
    -			$word = emit_C( $func, '', "($args)" ) . $rest;
    -
    -#### disabled. either all (including $\W, $\w+{.*} etc.) or nothing.
    -##      } elsif( $notinIS && $word =~ /^[\$\@%&*]+\w+$/) {
    -##	    # perl variables, should be a C<> ref
    -##	    $word = emit_C( $word );
    -
    -		} elsif ( $word =~ m,^\w+://\w, ) {
    -
    -			# looks like a URL
    -			# Don't relativize it: leave it as the author intended
    -			$word = qq($word);
    -		} elsif ( $word =~ /[\w.-]+\@[\w-]+\.\w/ ) {
    -
    -			# looks like an e-mail address
    -			my ( $w1, $w2, $w3 ) = ( "", $word, "" );
    -			( $w1, $w2, $w3 ) = ( "(", $1, ")$2" ) if $word =~ /^\((.*?)\)(,?)/;
    -			( $w1, $w2, $w3 ) = ( "<", $1, ">$2" )
    -				if $word =~ /^<(.*?)>(,?)/;
    -			$word = qq($w1$w2$w3);
    -		} else {
    -			$word = html_escape($word) if $word =~ /["&<>]/;
    -		}
    -	}
    -
    -	# put everything back together
    -	return $lead . join( '', @words ) . $trail;
    -}
    -
    -#
    -# process_text - handles plaintext that appears in the input pod file.
    -# there may be pod commands embedded within the text so those must be
    -# converted to html commands.
    -#
    -
    -sub process_text1($$;$$);
    -sub pattern ($) { $_[0] ? '\s+' . ( '>' x ( $_[0] + 1 ) ) : '>' }
    -sub closing ($) { local ($_) = shift; ( defined && s/\s+\z// ) ? length : 0 }
    -
    -sub process_text {
    -	return if $Ignore;
    -	my ($tref) = @_;
    -	my $res = process_text1( 0, $tref );
    -	$res =~ s/\s+$//s;
    -	$$tref = $res;
    -}
    -
    -sub process_text_rfc_links {
    -	my $text = shift;
    -
    -	# For every "RFCnnnn" or "RFC nnn", link it to the authoritative
    -	# ource. Do not use the /i modifier here. Require "RFC" to be written in
    -	#  in capital letters.
    -
    -	$text =~ s{
    -	(?<=[^<>[:alpha:]])           # Make sure this is not an URL already
    -	(RFC\s*([0-9]{1,5}))(?![0-9]) # max 5 digits
    -    }
    -    {$1}gx;
    -
    -	$text;
    -}
    -
    -sub process_text1($$;$$) {
    -	my ( $lev, $rstr, $func, $closing ) = @_;
    -	my $res = '';
    -
    -	unless ( defined $func ) {
    -		$func = '';
    -		$lev++;
    -	}
    -
    -	if ( $func eq 'B' ) {
    -
    -		# B - boldface
    -		$res = '' . process_text1( $lev, $rstr ) . '';
    -
    -	} elsif ( $func eq 'C' ) {
    -
    -		# C - can be a ref or 
    -		# need to extract text
    -		my $par = go_ahead( $rstr, 'C', $closing );
    -
    -		## clean-up of the link target
    -		my $text = depod($par);
    -
    -		### my $x = $par =~ /[BI]call emit_C($par) lev=$lev, par with BI=$x\n";
    -
    -		$res = emit_C( $text, $lev > 1 || ( $par =~ /[BI] - convert to character
    -		$$rstr =~ s/^([^>]*)>//;
    -		my $escape = $1;
    -		$escape =~ s/^(\d+|X[\dA-F]+)$/#$1/i;
    -		$res = "&$escape;";
    -
    -	} elsif ( $func eq 'F' ) {
    -
    -		# F - italicize
    -		$res = '' . process_text1( $lev, $rstr ) . '';
    -
    -	} elsif ( $func eq 'I' ) {
    -
    -		# I - italicize
    -		$res = '' . process_text1( $lev, $rstr ) . '';
    -
    -	} elsif ( $func eq 'L' ) {
    -
    -		# L - link
    -		## L => produce text, use cross-ref for linking
    -		## L => make text from cross-ref
    -		## need to extract text
    -		my $par = go_ahead( $rstr, 'L', $closing );
    -
    -		# some L<>'s that shouldn't be:
    -		# a) full-blown URL's are emitted as-is
    -		if ( $par =~ m{^\w+://}s ) {
    -			return make_URL_href($par);
    -		}
    -
    -		# b) C<...> is stripped and treated as C<>
    -		if ( $par =~ /^C<(.*)>$/ ) {
    -			my $text = depod($1);
    -			return emit_C( $text, $lev > 1 || ( $par =~ /[BI] L<$par> to page $page, ident $ident\n";
    -
    -		} elsif ( $par =~ m{^(.*?)/"?(.*?)"?$} ) {    # [name]/"section"
    -			    # even though this should be a "section", we go for ident first
    -			( $page, $ident ) = ( $1, $2 );
    -			### print STDERR "--> L<$par> to page $page, section $section\n";
    -
    -		} elsif ( $par =~ /\s/ ) {  # this must be a section with missing quotes
    -			( $page, $section ) = ( '', $par );
    -			### print STDERR "--> L<$par> to void page, section $section\n";
    -
    -		} else {
    -			( $page, $section ) = ( $par, '' );
    -			### print STDERR "--> L<$par> to page $par, void section\n";
    -		}
    -
    -		# now, either $section or $ident is defined. the convoluted logic
    -		# below tries to resolve L<> according to what the user specified.
    -		# failing this, we try to find the next best thing...
    -		my ( $url, $ltext, $fid );
    -
    -	RESOLVE: {
    -			if ( defined $ident ) {
    -				## try to resolve $ident as an item
    -				( $url, $fid ) = coderef( $page, $ident );
    -				if ($url) {
    -					if ( !defined($linktext) ) {
    -						$linktext = $ident;
    -						$linktext .= " in " if $ident && $page;
    -						$linktext .= "the $page manpage" if $page;
    -					}
    -					###  print STDERR "got coderef url=$url\n";
    -					last RESOLVE;
    -				}
    -				## no luck: go for a section (auto-quoting!)
    -				$section = $ident;
    -			}
    -			## now go for a section
    -			my $htmlsection = htmlify($section);
    -			$url = page_sect( $page, $htmlsection );
    -			if ($url) {
    -				if ( !defined($linktext) ) {
    -					$linktext = $section;
    -					$linktext .= " in " if $section && $page;
    -					$linktext .= "the $page manpage" if $page;
    -				}
    -				### print STDERR "got page/section url=$url\n";
    -				last RESOLVE;
    -			}
    -			## no luck: go for an ident
    -			if ($section) {
    -				$ident = $section;
    -			} else {
    -				$ident = $page;
    -				$page  = undef();
    -			}
    -			( $url, $fid ) = coderef( $page, $ident );
    -			if ($url) {
    -				if ( !defined($linktext) ) {
    -					$linktext = $ident;
    -					$linktext .= " in " if $ident && $page;
    -					$linktext .= "the $page manpage" if $page;
    -				}
    -				### print STDERR "got section=>coderef url=$url\n";
    -				last RESOLVE;
    -			}
    -
    -			# warning; show some text.
    -			$linktext = $opar unless defined $linktext;
    -			warn
    -"$0: $Podfile: cannot resolve L<$opar> in paragraph $Paragraph.\n"
    -				unless $Quiet;
    -		}
    -
    -		# now we have a URL or just plain code
    -		$$rstr = $linktext . '>' . $$rstr;
    -		if ( defined($url) ) {
    -			$res = "" . process_text1( $lev, $rstr ) . '';
    -		} else {
    -			$res = '' . process_text1( $lev, $rstr ) . '';
    -		}
    -
    -	} elsif ( $func eq 'S' ) {
    -
    -		# S - non-breaking spaces
    -		$res = process_text1( $lev, $rstr );
    -		$res =~ s/ / /g;
    -
    -	} elsif ( $func eq 'X' ) {
    -
    -		# X<> - ignore
    -		warn "$0: $Podfile: invalid X<> in paragraph $Paragraph.\n"
    -			unless $$rstr =~ s/^[^>]*>//
    -				or $Quiet;
    -	} elsif ( $func eq 'Z' ) {
    -
    -		# Z<> - empty
    -		warn "$0: $Podfile: invalid Z<> in paragraph $Paragraph.\n"
    -			unless $$rstr =~ s/^>//
    -				or $Quiet;
    -
    -	} else {
    -		my $term = pattern $closing;
    -		while ( $$rstr =~ s/\A(.*?)(([BCEFILSXZ])<(<+[^\S\n]+)?|$term)//s ) {
    -
    -			# all others: either recurse into new function or
    -			# terminate at closing angle bracket(s)
    -			my $pt = $1;
    -			$pt .= $2 if !$3 && $lev == 1;
    -			$res .= $lev == 1 ? pure_text($pt) : inIS_text($pt);
    -			return $res if !$3 && $lev > 1;
    -			if ($3) {
    -				$res .= process_text1( $lev, $rstr, $3, closing $4 );
    -			}
    -		}
    -		if ( $lev == 1 ) {
    -			$res .= pure_text($$rstr);
    -		} elsif ( !$Quiet ) {
    -			my $snippet = substr( $$rstr, 0, 60 );
    -			warn
    -"$0: $Podfile: undelimited $func<> in paragraph $Paragraph: '$snippet'.\n"
    -
    -		}
    -		$res = process_text_rfc_links($res);
    -	}
    -	return $res;
    -}
    -
    -#
    -# go_ahead: extract text of an IS (can be nested)
    -#
    -sub go_ahead($$$) {
    -	my ( $rstr, $func, $closing ) = @_;
    -	my $res     = '';
    -	my @closing = ($closing);
    -	while ( $$rstr =~
    -		s/\A(.*?)(([BCEFILSXZ])<(<+\s+)?|@{[pattern $closing[0]]})//s )
    -	{
    -		$res .= $1;
    -		unless ($3) {
    -			shift @closing;
    -			return $res unless @closing;
    -		} else {
    -			unshift @closing, closing $4;
    -		}
    -		$res .= $2;
    -	}
    -	unless ($Quiet) {
    -		my $snippet = substr( $$rstr, 0, 60 );
    -		warn
    -"$0: $Podfile: undelimited $func<> in paragraph $Paragraph (go_ahead): '$snippet'.\n";
    -	}
    -	return $res;
    -}
    -
    -#
    -# emit_C - output result of C
    -#    $text is the depod-ed text
    -#
    -sub emit_C($;$$) {
    -	my ( $text, $nocode, $args ) = @_;
    -	$args = '' unless defined $args;
    -	my $res;
    -	my ( $url, $fid ) = coderef( undef(), $text );
    -
    -	# need HTML-safe text
    -	my $linktext = html_escape("$text$args");
    -
    -	if ( $text !~ /^[\$@%]/
    -		&& defined($url)
    -		&& ( !defined($EmittedItem) || $EmittedItem ne $fid ) )
    -	{
    -		$res = "$linktext";
    -	} elsif ( 0 && $nocode ) {
    -		$res = $linktext;
    -	} else {
    -		$res = "$linktext";
    -	}
    -	return $res;
    -}
    -
    -#
    -# html_escape: make text safe for HTML
    -#
    -sub html_escape {
    -	my $rest = $_[0];
    -	$rest =~ s/&/&/g;
    -	$rest =~ s//>/g;
    -	$rest =~ s/"/"/g;
    -
    -	# ' is only in XHTML, not HTML4.  Be conservative
    -	#$rest   =~ s/'/'/g;
    -	return $rest;
    -}
    -
    -#
    -# dosify - convert filenames to 8.3
    -#
    -sub dosify {
    -	my ($str) = @_;
    -	return lc($str) if $^O eq 'VMS';    # VMS just needs casing
    -	if ($Is83) {
    -		$str = lc $str;
    -		$str =~ s/(\.\w+)/substr ($1,0,4)/ge;
    -		$str =~ s/(\w+)/substr ($1,0,8)/ge;
    -	}
    -	return $str;
    -}
    -
    -#
    -# page_sect - make a URL from the text of a L<>
    -#
    -sub page_sect($$) {
    -	my ( $page, $section ) = @_;
    -	my ( $linktext, $page83, $link );    # work strings
    -
    -	# check if we know that this is a section in this page
    -	if ( !defined $Pages{$page} && defined $Sections{$page} ) {
    -		$section = $page;
    -		$page    = "";
    -		### print STDERR "reset page='', section=$section\n";
    -	}
    -
    -	$page83 = dosify($page);
    -	$page = $page83 if ( defined $Pages{$page83} );
    -	if ( $page eq "" ) {
    -		$link = "#" . anchorify($section);
    -	} elsif ( $page =~ /::/ ) {
    -		$page =~ s,::,/,g;
    -
    -		# Search page cache for an entry keyed under the html page name,
    -		# then look to see what directory that page might be in.  NOTE:
    -		# this will only find one page. A better solution might be to produce
    -		# an intermediate page that is an index to all such pages.
    -		my $page_name = $page;
    -		$page_name =~ s,^.*/,,s;
    -		if ( defined( $Pages{$page_name} )
    -			&& $Pages{$page_name} =~ /([^:]*$page)\.(?:pod|pm):/ )
    -		{
    -			$page = $1;
    -		} else {
    -
    -			# NOTE: This branch assumes that all A::B pages are located in
    -			# $Htmlroot/A/B.html . This is often incorrect, since they are
    -			# often in $Htmlroot/lib/A/B.html or such like. Perhaps we could
    -			# analyze the contents of %Pages and figure out where any
    -			# cousins of A::B are, then assume that.  So, if A::B isn't found,
    -			# but A::C is found in lib/A/C.pm, then A::B is assumed to be in
    -			# lib/A/B.pm. This is also limited, but it's an improvement.
    -			# Maybe a hints file so that the links point to the correct places
    -			# nonetheless?
    -
    -		}
    -		$link = "$Htmlroot/$page.html";
    -		$link .= "#" . anchorify($section) if ($section);
    -	} elsif ( !defined $Pages{$page} ) {
    -		$link = "";
    -	} else {
    -		$section = anchorify($section) if $section ne "";
    -		### print STDERR "...section=$section\n";
    -
    -		# if there is a directory by the name of the page, then assume that an
    -		# appropriate section will exist in the subdirectory
    -		#	if ($section ne "" && $Pages{$page} =~ /([^:]*[^(\.pod|\.pm)]):/) {
    -		if ( $section ne "" && $Pages{$page} =~ /([^:]*(?, Foo.(pod|pm) is preferred to A/Foo.(pod|pm)
    -			if ( $Pages{$page} =~ /([^:]*)\.(?:pod|pm):/ ) {
    -				$link = "$Htmlroot/$1.html$section";
    -			} else {
    -				$link = "";
    -			}
    -		}
    -	}
    -
    -	if ($link) {
    -
    -		# Here, we take advantage of the knowledge that $Htmlfileurl ne ''
    -		# implies $Htmlroot eq ''. This means that the link in question
    -		# needs a prefix of $Htmldir if it begins with '/'. The test for
    -		# the initial '/' is done to avoid '#'-only links, and to allow
    -		# for other kinds of links, like file:, ftp:, etc.
    -		my $url;
    -		if ( $Htmlfileurl ne '' ) {
    -			$link = "$Htmldir$link" if $link =~ m{^/}s;
    -			$url = relativize_url( $link, $Htmlfileurl );
    -
    -			# print( "  b: [$link,$Htmlfileurl,$url]\n" );
    -		} else {
    -			$url = $link;
    -		}
    -		return $url;
    -
    -	} else {
    -		return undef();
    -	}
    -}
    -
    -#
    -# relativize_url - convert an absolute URL to one relative to a base URL.
    -# Assumes both end in a filename.
    -#
    -sub relativize_url {
    -	my ( $dest, $source ) = @_;
    -
    -	my ( $dest_volume, $dest_directory, $dest_file ) =
    -		File::Spec::Unix->splitpath($dest);
    -	$dest = File::Spec::Unix->catpath( $dest_volume, $dest_directory, '' );
    -
    -	my ( $source_volume, $source_directory, $source_file ) =
    -		File::Spec::Unix->splitpath($source);
    -	$source =
    -		File::Spec::Unix->catpath( $source_volume, $source_directory, '' );
    -
    -	my $rel_path = '';
    -	if ( $dest ne '' ) {
    -		$rel_path = File::Spec::Unix->abs2rel( $dest, $source );
    -	}
    -
    -	if (   $rel_path ne ''
    -		&& substr( $rel_path, -1 ) ne '/'
    -		&& substr( $dest_file, 0, 1 ) ne '#' )
    -	{
    -		$rel_path .= "/$dest_file";
    -	} else {
    -		$rel_path .= "$dest_file";
    -	}
    -
    -	return $rel_path;
    -}
    -
    -#
    -# coderef - make URL from the text of a C<>
    -#
    -sub coderef($$) {
    -	my ( $page, $item ) = @_;
    -	my ($url);
    -
    -	my $fid = fragment_id($item);
    -
    -	if ( defined($page) && $page ne "" ) {
    -
    -		# we have been given a $page...
    -		$page =~ s{::}{/}g;
    -
    -		Carp::confess(
    -"Undefined fragment '$item' from fragment_id() in coderef() in $Podfile"
    -		) if !defined $fid;
    -
    -		# Do we take it? Item could be a section!
    -		my $base = $Items{$fid} || "";
    -		$base =~ s{[^/]*/}{};
    -		if ( $base ne "$page.html" ) {
    -			###   print STDERR "coderef( $page, $item ): items{$fid} = $Items{$fid} = $base => discard page!\n";
    -			$page = undef();
    -		}
    -
    -	} else {
    -
    -		# no page - local items precede cached items
    -		if ( defined($fid) ) {
    -			if ( exists $Local_Items{$fid} ) {
    -				$page = $Local_Items{$fid};
    -			} else {
    -				$page = $Items{$fid};
    -			}
    -		}
    -	}
    -
    -	# if there was a pod file that we found earlier with an appropriate
    -	# =item directive, then create a link to that page.
    -	if ( defined $page ) {
    -		if ($page) {
    -			if ( exists $Pages{$page} and $Pages{$page} =~ /([^:.]*)\.[^:]*:/ )
    -			{
    -				$page = $1 . '.html';
    -			}
    -			my $link = "$Htmlroot/$page#" . anchorify($fid);
    -
    -			# Here, we take advantage of the knowledge that $Htmlfileurl
    -			# ne '' implies $Htmlroot eq ''.
    -			if ( $Htmlfileurl ne '' ) {
    -				$link = "$Htmldir$link";
    -				$url = relativize_url( $link, $Htmlfileurl );
    -			} else {
    -				$url = $link;
    -			}
    -		} else {
    -			$url = "#" . anchorify($fid);
    -		}
    -
    -		confess "url has space: $url" if $url =~ /"[^"]*\s[^"]*"/;
    -	}
    -	return ( $url, $fid );
    -}
    -
    -#
    -# Adapted from Nick Ing-Simmons' PodToHtml package.
    -sub relative_url {
    -	my $source_file      = shift;
    -	my $destination_file = shift;
    -
    -	my $source = URI::file->new_abs($source_file);
    -	my $uo = URI::file->new( $destination_file, $source )->abs;
    -	return $uo->rel->as_string;
    -}
    -
    -#
    -# finish_list - finish off any pending HTML lists.  this should be called
    -# after the entire pod file has been read and converted.
    -#
    -sub finish_list {
    -	while ( $Listlevel > 0 ) {
    -		print HTML "\n";
    -		$Listlevel--;
    -	}
    -}
    -
    -#
    -# htmlify - converts a pod section specification to a suitable section
    -# specification for HTML. Note that we keep spaces and special characters
    -# except ", ? (Netscape problem) and the hyphen (writer's problem...).
    -#
    -sub htmlify {
    -	my ($heading) = @_;
    -	$heading =~ s/(\s+)/ /g;
    -	$heading =~ s/\s+\Z//;
    -	$heading =~ s/\A\s+//;
    -
    -	# The hyphen is a disgrace to the English language.
    -	# $heading =~ s/[-"?]//g;
    -	$heading =~ s/["?]//g;
    -	$heading = lc($heading);
    -	return $heading;
    -}
    -
    -#
    -# similar to htmlify, but turns non-alphanumerics into underscores
    -#
    -sub anchorify {
    -	my ($anchor) = @_;
    -	$anchor =~ s/\([^)]*\)//;
    -	$anchor = htmlify($anchor);
    -	$anchor =~ s/\W/_/g;
    -	$anchor =~ tr/_/_/s;
    -	return $anchor;
    -}
    -
    -#
    -# depod - convert text by eliminating all interior sequences
    -# Note: can be called with copy or modify semantics
    -#
    -my %E2c;
    -$E2c{lt}     = '<';
    -$E2c{gt}     = '>';
    -$E2c{sol}    = '/';
    -$E2c{verbar} = '|';
    -$E2c{amp}    = '&';    # in Tk's pods
    -
    -sub depod1($;$$);
    -
    -sub depod($) {
    -	my $string;
    -	if ( ref( $_[0] ) ) {
    -		$string = ${ $_[0] };
    -		${ $_[0] } = depod1( \$string );
    -	} else {
    -		$string = $_[0];
    -		depod1( \$string );
    -	}
    -}
    -
    -sub depod1($;$$) {
    -	my ( $rstr, $func, $closing ) = @_;
    -	my $res = '';
    -	return $res unless defined $$rstr;
    -	if ( !defined($func) ) {
    -
    -		# skip to next begin of an interior sequence
    -		while ( $$rstr =~ s/\A(.*?)([BCEFILSXZ])<(<+[^\S\n]+)?//s ) {
    -
    -			# recurse into its text
    -			$res .= $1 . depod1( $rstr, $2, closing $3);
    -		}
    -		$res .= $$rstr;
    -	} elsif ( $func eq 'E' ) {
    -
    -		# E - convert to character
    -		$$rstr =~ s/^([^>]*)>//;
    -		$res .= $E2c{$1} || "";
    -	} elsif ( $func eq 'X' ) {
    -
    -		# X<> - ignore
    -		$$rstr =~ s/^[^>]*>//;
    -	} elsif ( $func eq 'Z' ) {
    -
    -		# Z<> - empty
    -		$$rstr =~ s/^>//;
    -	} else {
    -
    -		# all others: either recurse into new function or
    -		# terminate at closing angle bracket
    -		my $term = pattern $closing;
    -		while ( $$rstr =~ s/\A(.*?)(([BCEFILSXZ])<(<+[^\S\n]+)?|$term)//s ) {
    -			$res .= $1;
    -			last unless $3;
    -			$res .= depod1( $rstr, $3, closing $4 );
    -		}
    -		## If we're here and $2 ne '>': undelimited interior sequence.
    -		## Ignored, as this is called without proper indication of where we are.
    -		## Rely on process_text to produce diagnostics.
    -	}
    -	return $res;
    -}
    -
    -{
    -	my %seen;    # static fragment record hash
    -
    -	sub fragment_id_readable {
    -		my $text     = shift;
    -		my $generate = shift;    # optional flag
    -
    -		my $orig = $text;
    -
    -		# leave the words for the fragment identifier,
    -		# change everything else to underbars.
    -		$text =~
    -			s/[^A-Za-z0-9_]+/_/g;    # do not use \W to avoid locale dependency.
    -		$text =~ s/_{2,}/_/g;
    -		$text =~ s/\A_//;
    -		$text =~ s/_\Z//;
    -
    -		unless ($text) {
    -
    -			# Nothing left after removing punctuation, so leave it as is
    -			# E.g. if option is named: "=item -#"
    -
    -			$text = $orig;
    -		}
    -
    -		if ($generate) {
    -			if ( exists $seen{$text} ) {
    -
    -				# This already exists, make it unique
    -				$seen{$text}++;
    -				$text = $text . $seen{$text};
    -			} else {
    -				$seen{$text} = 1;    # first time seen this fragment
    -			}
    -		}
    -
    -		$text;
    -	}
    -}
    -
    -my @HC;
    -
    -sub fragment_id_obfuscated {         # This was the old "_2d_2d__"
    -	my $text     = shift;
    -	my $generate = shift;            # optional flag
    -
    -	# text? Normalize by obfuscating the fragment id to make it unique
    -	$text =~ s/\s+/_/sg;
    -
    -	$text =~ s{(\W)}{
    -        defined( $HC[ord($1)] ) ? $HC[ord($1)]
    -        : ( $HC[ord($1)] = sprintf( "%%%02X", ord($1) ) ) }gxe;
    -	$text = substr( $text, 0, 50 );
    -
    -	$text;
    -}
    -
    -#
    -# fragment_id - construct a fragment identifier from:
    -#   a) =item text
    -#   b) contents of C<...>
    -#
    -
    -sub fragment_id {
    -	my $text     = shift;
    -	my $generate = shift;    # optional flag
    -
    -	$text =~ s/\s+\Z//s;
    -	if ($text) {
    -
    -		# a method or function?
    -		return $1 if $text =~ /(\w+)\s*\(/;
    -		return $1 if $text =~ /->\s*(\w+)\s*\(?/;
    -
    -		# a variable name?
    -		return $1 if $text =~ /^([\$\@%*]\S+)/;
    -
    -		# some pattern matching operator?
    -		return $1 if $text =~ m|^(\w+/).*/\w*$|;
    -
    -		# fancy stuff... like "do { }"
    -		return $1 if $text =~ m|^(\w+)\s*{.*}$|;
    -
    -		# honour the perlfunc manpage: func [PAR[,[ ]PAR]...]
    -		# and some funnies with ... Module ...
    -		return $1 if $text =~ m{^([a-z\d_]+)(\s+[A-Z,/& ][A-Z\d,/& ]*)?$};
    -		return $1 if $text =~ m{^([a-z\d]+)\s+Module(\s+[A-Z\d,/& ]+)?$};
    -
    -		return fragment_id_readable( $text, $generate );
    -	} else {
    -		return;
    -	}
    -}
    -
    -#
    -# make_URL_href - generate HTML href from URL
    -# Special treatment for CGI queries.
    -#
    -sub make_URL_href($;$) {
    -	my ($url) = shift;
    -	my $linktext = shift || $url;
    -	if ( $url !~ s{^(http:[-\w/#~:.+=&%@!]+)(\?.*)$}{$1}i ) {
    -		$url = "$linktext";
    -	}
    -	return $url;
    -}
    -
    -1;
    -- 
    cgit 1.4.1