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/usr/bin/pods2html is in libpod-tree-perl 1.25-1.

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#!/usr/bin/perl

eval 'exec /usr/bin/perl  -S $0 ${1+"$@"}'
    if 0; # not running under some shell

use strict;
use warnings;
use File::Find;
use File::Path;
use Getopt::Long;
use HTML::Stream;
use IO::File;
use Pod::Tree::HTML;
use File::Spec;

my %Options = (
	bgcolor => '#ffffff',
	text    => '#000000',
	hr      => 1,
	toc     => 1
);

my $ok = GetOptions(
	\%Options, "base:s", "css:s", "bgcolor:s", "empty", "index:s",
	"module",  "text:s", "toc!",  "hr:i",      "variables:s"
);
$ok or die "Bad command line options\n";

my %Index;
my @Dirs;
my ( $PodDir, $HTMLDir, $Template, @Variables ) = @ARGV;
$HTMLDir or die "pods2html PodDir HTMLDir\n";

$PodDir  = canonpath File::Spec $PodDir;
$HTMLDir = rel2abs File::Spec $HTMLDir;

mkpath($HTMLDir);

do $Options{variables} if $Options{variables};

for (@Variables) {
	chomp;
	my ( $name, $value ) = split /=/, $_, 2;
	$name =~ s(^\$)();
	${ $Pod::Tree::HTML::{$name} } = $value;
}

umask 0022;
find(
	{
		wanted   => \&Translate,
		no_chdir => 1
	},
	$PodDir
);
Index() if $Options{index};
Cleanup() unless $Options{empty};

sub Translate {
	-d and &Translate_Dir;
	-f and &Translate_POD;
}

sub MkDir {
	my $dir = shift;

	-d $dir and return;
	mkdir $dir, 0755 or die "Can't mkdir $dir: $!\n";
	push @Dirs, $dir;
}

sub Translate_Dir {
	my $dir = $File::Find::name;

	if ( $HTMLDir eq rel2abs File::Spec $dir) {
		$File::Find::prune = 1;
		return;
	}

	if ( $Options{module} and ( m(/t$) or m(/blib$) ) ) {
		$File::Find::prune = 1;
		return;
	}

	$dir =~ s/^\Q$PodDir/$HTMLDir/o;
	-d $dir or MkDir $dir;
	print "$File::Find::name\n";
}

sub Translate_POD {
	m( \.(pm|pod)$ )x or return;
	my $source = $File::Find::name;

	Hidden($source) and return;
	print "$source\n";

	my $dest = $source;
	$dest =~ s/^\Q$PodDir/$HTMLDir/o;
	$dest =~ s( \.\w+$ )(.html)x;

	my $depth = Depth($source);

	my $pod = $source;
	$pod =~ s(^$PodDir/)();
	$pod =~ s( \.\w+$ )()x;
	$Index{$pod} = 1;

	my $html = Pod::Tree::HTML->new( $source, $dest, %Options );
	$html->set_options( depth => $depth );
	$html->translate($Template);
}

sub Hidden {
	my $source = shift;
	$source =~ m(\.pm$) or return 0;
	$source =~ s(\.pm$)(.pod);
	-e $source;
}

sub Depth {
	my $source = shift;
	my $tree   = Pod::Tree->new;
	$tree->load_file($source);
	my $children = $tree->get_root->get_children;
	my @pod      = grep { is_pod $_ } @$children;
	my $node1    = $pod[1];
	$node1 or return '';

	my $text = $node1->get_deep_text;
	my ($name) = split m(\s+-+\s+), $text;
	$name =~ s(^\s+)();

	my @name = split /::/, $name;
	@name - 1;
}

sub Index {
	my $index = "$HTMLDir/index.html";
	my $fh    = IO::File->new(">$index");
	defined $fh or die "Can't open $index: $!\n";

	my $stream = HTML::Stream->new($fh);

	my $title   = $Options{index};
	my $bgcolor = $Options{bgcolor};
	my $text    = $Options{text};

	$stream->HTML->HEAD;
	$stream->TITLE->text($title)->_TITLE;
	$stream->_HEAD->BODY( BGCOLOR => $bgcolor, TEXT => $text );
	$stream->H1->t($title)->_H1;

	Emit_Entries($stream);

	$stream->_BODY->_HTML;
}

sub Emit_Entries {
	my $stream = shift;

	$stream->UL;

	for my $entry ( sort keys %Index ) {
		$stream->LI->A( HREF => "$entry.html" )->t($entry)->_A->_LI;
	}

	$stream->_UL;
}

sub Cleanup {
	while (@Dirs) {
		my $dir = pop @Dirs;
		rmdir $dir;    # does nothing unless $dir is empty
	}
}

__END__

=head1 NAME

pods2html - translate a tree of PODs to HTML


=head1 SYNOPSIS

C<pods2html>
[C<--base> I<url>]
[C<--css> I<url>]
[C<--empty>]
[C<--index> I<title>]
[C<--module>]
[C<-->[C<no>]C<toc>] [C<--hr> I<level>] 
[C<--bgcolor> I<#rrggbb>] [C<--text> I<#rrggbb>]
[C<--variables> I<values.pl>]
I<PODdir> I<HTMLdir> [F<template> [I<variable>=I<value> ...]]


=head1 DESCRIPTION

C<pods2html> finds all the F<.pod> and F<.pm> files in the 
directory tree rooted at I<PODdir>.
It translates each POD to HTML,
and writes it to a parallel directory tree rooted at I<HTMLdir>

It makes the HTML files world-readable.

If a F<template> file is provided,
then F<template> will be filled in by the C<Text::Template> module and written to F<dest>.
Here is a minimal template, showing all the variables that are set by C<pods2html>.

  <html>
   <head>
    <base href="{$base}">
    <link href="{$css}" rel="stylesheet" type="text/css">
    <title>{$title}</title>
   </head>
   <body bgcolor="{$bgcolor}" text="{$text}">
    {$toc}
    {$body}
   </body>
  </html>

If the C<--variables> option is provided, then the file I<values.pl> will be executed with a C<do>
call before the template is filled in. I<values.pl> may contain arbitrary Perl code.
The program fragments in the template are evaulted in the C<Pod::Tree::HTML> package.
Any variables that I<values.pl> sets in this package will be available to the template.

Additional scalar variables may be set on the command line with the I<variable>=I<value> syntax.
Variables set on the command line override variables set in I<values.pl>.

=head1 OPTIONS

=over 4

=item C<--base> I<url>

Specifies a base URL for HTML links.


=item C<--css> I<url>

Specifies a Cascanding Style Sheet for the generated HTML pages.
Here are example rules for all the different HTML elements that may appear in a POD.

    a:link { background: #ff8080 }
    body   { background: #f0f0f0 }
    code   { background: #c0ffc0 }
    dd     { background: #ffffe0 }
    dl     { background: #fffff0 }
    dt     { background: #ffffc0 }
    h1     { background: #ffc0c0 }
    h2     { background: #ffe0e0 }
    hr     { background: #ff0000; height: 5px }
    i      { background: #ffc0c0 }
    li     { background: #e0e0e0 }
    ol     { background: #fff0ff }
    p      { background: #f0f0ff }
    pre    { background: #f0fff0 }
    ul     { background: #f0ffff }


=item C<--empty>

Creates HTML files for empty PODs.
If this option is not provided, then no HTML file is created for empty PODs.


=item C<--index> I<title>

Writes an index of all the HTML files to I<HTMLDir>F</index.html>.
I<title> is used as the title of the index page.


=item C<--module>

Ignores files in directories named F<t/> and F<blib/>.
Useful for translating PODs in a module development directory.


=item C<-->[C<no>]C<toc>

Includes or omits the table of contents.
Default is to include the TOC.


=item C<--hr> I<level>

Controls the profusion of horizontal lines in the output, as follows:

    level   horizontal lines
    0 	    none
    1 	    between TOC and body
    2 	    after each =head1
    3 	    after each =head1 and =head2

Default is level 1.


=item C<--bgcolor> I<#rrggbb>

Set the background color to I<#rrggbb>.
Default is white.


=item C<--text> I<#rrggbb>

Set the text color to I<#rrggbb>.
Default is black.

=back


=head1 REQUIRES

L<C<Pod::Tree::HTML>>,
L<C<HTML::Stream>>


=head1 BUGS

The recursion check doesn't work on Win32.
This means that the program will enter an infinite recursion
if I<HTMLdir> is a subdirectory of I<PODdir>.


=head1 SEE ALSO

L<C<pod2html>>,
L<C<Pod::Tree::HTML>>


=head1 AUTHOR

Steven McDougall, <swmcd@world.std.com>


=head1 COPYRIGHT

Copyright (c) 1999-2010 by Steven McDougall.  This program is free software;
you can redistribute it and/or modify it under the same terms as Perl.