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.\" ========================================================================
.\"
.IX Title "Pod::Simple::HTML 3perl"
.TH Pod::Simple::HTML 3perl 2024-02-11 "perl v5.38.2" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH NAME
Pod::Simple::HTML \- convert Pod to HTML
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\&  perl \-MPod::Simple::HTML \-e Pod::Simple::HTML::go thingy.pod
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
This class is for making an HTML rendering of a Pod document.
.PP
This is a subclass of Pod::Simple::PullParser and inherits all its
methods (and options).
.PP
Note that if you want to do a batch conversion of a lot of Pod
documents to HTML, you should see the module Pod::Simple::HTMLBatch.
.SH "CALLING FROM THE COMMAND LINE"
.IX Header "CALLING FROM THE COMMAND LINE"
TODO
.PP
.Vb 1
\&  perl \-MPod::Simple::HTML \-e Pod::Simple::HTML::go Thing.pod Thing.html
.Ve
.SH "CALLING FROM PERL"
.IX Header "CALLING FROM PERL"
.SS "Minimal code"
.IX Subsection "Minimal code"
.Vb 6
\&  use Pod::Simple::HTML;
\&  my $p = Pod::Simple::HTML\->new;
\&  $p\->output_string(\emy $html);
\&  $p\->parse_file(\*(Aqpath/to/Module/Name.pm\*(Aq);
\&  open my $out, \*(Aq>\*(Aq, \*(Aqout.html\*(Aq or die "Cannot open \*(Aqout.html\*(Aq: $!\en";
\&  print $out $html;
.Ve
.SS "More detailed example"
.IX Subsection "More detailed example"
.Vb 1
\&  use Pod::Simple::HTML;
.Ve
.PP
Set the content type:
.PP
.Vb 1
\&  $Pod::Simple::HTML::Content_decl =  q{<meta http\-equiv="Content\-Type" content="text/html; charset=UTF\-8" >};
\&
\&  my $p = Pod::Simple::HTML\->new;
.Ve
.PP
Include a single javascript source:
.PP
.Vb 1
\&  $p\->html_javascript(\*(Aqhttp://abc.com/a.js\*(Aq);
.Ve
.PP
Or insert multiple javascript source in the header 
(or for that matter include anything, thought this is not recommended)
.PP
.Vb 3
\&  $p\->html_javascript(\*(Aq
\&      <script type="text/javascript" src="http://abc.com/b.js"></script>
\&      <script type="text/javascript" src="http://abc.com/c.js"></script>\*(Aq);
.Ve
.PP
Include a single css source in the header:
.PP
.Vb 1
\&  $p\->html_css(\*(Aq/style.css\*(Aq);
.Ve
.PP
or insert multiple css sources:
.PP
.Vb 3
\&  $p\->html_css(\*(Aq
\&      <link rel="stylesheet" type="text/css" title="pod_stylesheet" href="http://remote.server.com/jquery.css">
\&      <link rel="stylesheet" type="text/css" title="pod_stylesheet" href="/style.css">\*(Aq);
.Ve
.PP
Tell the parser where should the output go. In this case it will be placed in the \f(CW$html\fR variable:
.PP
.Vb 2
\&  my $html;
\&  $p\->output_string(\e$html);
.Ve
.PP
Parse and process a file with pod in it:
.PP
.Vb 1
\&  $p\->parse_file(\*(Aqpath/to/Module/Name.pm\*(Aq);
.Ve
.SH METHODS
.IX Header "METHODS"
TODO
all (most?) accessorized methods
.PP
The following variables need to be set \fBbefore\fR the call to the \->new constructor.
.PP
Set the string that is included before the opening <html> tag:
.PP
.Vb 2
\&  $Pod::Simple::HTML::Doctype_decl = qq{<!DOCTYPE HTML PUBLIC "\-//W3C//DTD HTML 4.01 Transitional//EN" 
\&         "http://www.w3.org/TR/html4/loose.dtd">\en};
.Ve
.PP
Set the content-type in the HTML head: (defaults to ISO\-8859\-1)
.PP
.Vb 1
\&  $Pod::Simple::HTML::Content_decl =  q{<meta http\-equiv="Content\-Type" content="text/html; charset=UTF\-8" >};
.Ve
.PP
Set the value that will be embedded in the opening tags of F, C tags and verbatim text.
F maps to <em>, C maps to <code>, Verbatim text maps to <pre> (Computerese defaults to "")
.PP
.Vb 1
\&  $Pod::Simple::HTML::Computerese =  \*(Aq class="some_class_name\*(Aq;
.Ve
.SS html_css
.IX Subsection "html_css"
.SS html_javascript
.IX Subsection "html_javascript"
.SS title_prefix
.IX Subsection "title_prefix"
.SS title_postfix
.IX Subsection "title_postfix"
.SS html_header_before_title
.IX Subsection "html_header_before_title"
This includes everything before the <title> opening tag including the Document type
and including the opening <title> tag. The following call will set it to be a simple HTML
file:
.PP
.Vb 1
\&  $p\->html_header_before_title(\*(Aq<html><head><title>\*(Aq);
.Ve
.SS top_anchor
.IX Subsection "top_anchor"
By default Pod::Simple::HTML adds a dummy anchor at the top of the HTML.
You can change it by calling
.PP
.Vb 1
\&  $p\->top_anchor(\*(Aq<a name="zz" >\*(Aq);
.Ve
.SS html_h_level
.IX Subsection "html_h_level"
Normally =head1 will become <h1>, =head2 will become <h2> etc.
Using the html_h_level method will change these levels setting the h level
of =head1 tags:
.PP
.Vb 1
\&  $p\->html_h_level(3);
.Ve
.PP
Will make sure that =head1 will become <h3> and =head2 will become <h4> etc...
.SS index
.IX Subsection "index"
Set it to some true value if you want to have an index (in reality a table of contents)
to be added at the top of the generated HTML.
.PP
.Vb 1
\&  $p\->index(1);
.Ve
.SS html_header_after_title
.IX Subsection "html_header_after_title"
Includes the closing tag of </title> and through the rest of the head
till the opening of the body
.PP
.Vb 1
\&  $p\->html_header_after_title(\*(Aq</title>...</head><body id="my_id">\*(Aq);
.Ve
.SS html_footer
.IX Subsection "html_footer"
The very end of the document:
.PP
.Vb 1
\&  $p\->html_footer( qq[\en<!\-\- end doc \-\->\en\en</body></html>\en] );
.Ve
.SH SUBCLASSING
.IX Header "SUBCLASSING"
Can use any of the methods described above but for further customization
one needs to override some of the methods:
.PP
.Vb 3
\&  package My::Pod;
\&  use strict;
\&  use warnings;
\&
\&  use base \*(AqPod::Simple::HTML\*(Aq;
\&
\&  # needs to return a URL string such
\&  # http://some.other.com/page.html
\&  # #anchor_in_the_same_file
\&  # /internal/ref.html
\&  sub do_pod_link {
\&    # My::Pod object and Pod::Simple::PullParserStartToken object
\&    my ($self, $link) = @_;
\&
\&    say $link\->tagname;          # will be L for links
\&    say $link\->attr(\*(Aqto\*(Aq);       # 
\&    say $link\->attr(\*(Aqtype\*(Aq);     # will be \*(Aqpod\*(Aq always
\&    say $link\->attr(\*(Aqsection\*(Aq);
\&
\&    # Links local to our web site
\&    if ($link\->tagname eq \*(AqL\*(Aq and $link\->attr(\*(Aqtype\*(Aq) eq \*(Aqpod\*(Aq) {
\&      my $to = $link\->attr(\*(Aqto\*(Aq);
\&      if ($to =~ /^Padre::/) {
\&          $to =~ s{::}{/}g;
\&          return "/docs/Padre/$to.html";
\&      }
\&    }
\&
\&    # all other links are generated by the parent class
\&    my $ret = $self\->SUPER::do_pod_link($link);
\&    return $ret;
\&  }
\&
\&  1;
.Ve
.PP
Meanwhile in script.pl:
.PP
.Vb 1
\&  use My::Pod;
\&
\&  my $p = My::Pod\->new;
\&
\&  my $html;
\&  $p\->output_string(\e$html);
\&  $p\->parse_file(\*(Aqpath/to/Module/Name.pm\*(Aq);
\&  open my $out, \*(Aq>\*(Aq, \*(Aqout.html\*(Aq or die;
\&  print $out $html;
.Ve
.PP
TODO
.PP
maybe override do_beginning do_end
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Pod::Simple, Pod::Simple::HTMLBatch
.PP
TODO: a corpus of sample Pod input and HTML output?  Or common
idioms?
.SH SUPPORT
.IX Header "SUPPORT"
Questions or discussion about POD and Pod::Simple should be sent to the
pod\-people@perl.org mail list. Send an empty email to
pod\-people\-subscribe@perl.org to subscribe.
.PP
This module is managed in an open GitHub repository,
<https://github.com/perl\-pod/pod\-simple/>. Feel free to fork and contribute, or
to clone <git://github.com/perl\-pod/pod\-simple.git> and send patches!
.PP
Patches against Pod::Simple are welcome. Please send bug reports to
<bug\-pod\-simple@rt.cpan.org>.
.SH "COPYRIGHT AND DISCLAIMERS"
.IX Header "COPYRIGHT AND DISCLAIMERS"
Copyright (c) 2002\-2004 Sean M. Burke.
.PP
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
.PP
This program is distributed in the hope that it will be useful, but
without any warranty; without even the implied warranty of
merchantability or fitness for a particular purpose.
.SH ACKNOWLEDGEMENTS
.IX Header "ACKNOWLEDGEMENTS"
Thanks to Hurricane Electric <http://he.net/> for permission to use its
Linux man pages online <http://man.he.net/> site for man page links.
.PP
Thanks to search.cpan.org <http://search.cpan.org/> for permission to use the
site for Perl module links.
.SH AUTHOR
.IX Header "AUTHOR"
Pod::Simple was created by Sean M. Burke <sburke@cpan.org>.
But don't bother him, he's retired.
.PP
Pod::Simple is maintained by:
.IP \(bu 4
Allison Randal \f(CW\*(C`allison@perl.org\*(C'\fR
.IP \(bu 4
Hans Dieter Pearcey \f(CW\*(C`hdp@cpan.org\*(C'\fR
.IP \(bu 4
David E. Wheeler \f(CW\*(C`dwheeler@cpan.org\*(C'\fR