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HTML::AsSubs(3pm) User Contributed Perl Documentation HTML::AsSubs(3pm)
NAME
HTML::AsSubs - functions that construct a HTML syntax tree
VERSION
This document describes version 5.07 of HTML::AsSubs, released August 31, 2017 as part of
HTML-Tree.
SYNOPSIS
use HTML::AsSubs;
$h = body(
h1("This is the heading"),
p("This is the first paragraph which contains a ",
a({href=>'link.html'}, "link"),
" and an ",
img({src=>'img.gif', alt=>'image'}),
"."
),
);
print $h->as_HTML;
DESCRIPTION
This module exports functions that can be used to construct various HTML elements. The
functions are named after the tags of the corresponding HTML element and are all written
in lower case. If the first argument is a hash reference then it will be used to
initialize the attributes of this element. The remaining arguments are regarded as
content.
For a similar idea (i.e., it's another case where the syntax tree of the Perl source
mirrors the syntax tree of the HTML produced), see HTML::Element's "new_from_lol" method.
For what I now think is a cleaner implementation of this same idea, see the excellent
module "XML::Generator", which is what I suggest for actual real-life use. (I suggest
this over "HTML::AsSubs" and over "CGI.pm"'s HTML-making functions.)
ACKNOWLEDGEMENT
This module was inspired by the following message:
Date: Tue, 4 Oct 1994 16:11:30 +0100
Subject: Wow! I have a large lightbulb above my head!
Take a moment to consider these lines:
%OVERLOAD=( '""' => sub { join("", @{$_[0]}) } );
sub html { my($type)=shift; bless ["<$type>", @_, "</$type>"]; }
:-) I *love* Perl 5! Thankyou Larry and Ilya.
Regards,
Tim Bunce.
p.s. If you didn't get it, think about recursive data types: html(html())
p.p.s. I'll turn this into a much more practical example in a day or two.
p.p.p.s. It's a pity that overloads are not inherited. Is this a bug?
BUGS
The exported link() function overrides the builtin link() function. The exported tr()
function must be called using &tr(...) syntax because it clashes with the builtin
tr/../../ operator.
SEE ALSO
HTML::Element, XML::Generator
html head title base link meta isindex nextid script style body h1 h2 h3 h4 h5 h6 p pre div
blockquote a img br hr ol ul dir menu li dl dt dd dfn cite code em kbd samp strong var
address span b i u tt center font big small strike sub sup table tr td th caption form
input select option textarea object applet param map area frame frameset noframe
A bunch of methods for creating tags.
Private Functions
_elem()
The _elem() function is wrapped by all the html 'tag' functions. It takes a tag-name,
optional hashref of attributes and a list of content as parameters.
AUTHOR
Current maintainers:
o Christopher J. Madsen "<perl AT cjmweb.net>"
o Jeff Fearn "<jfearn AT cpan.org>"
Original HTML-Tree author:
o Gisle Aas
Former maintainers:
o Sean M. Burke
o Andy Lester
o Pete Krawczyk "<petek AT cpan.org>"
You can follow or contribute to HTML-Tree's development at
<https://github.com/kentfredric/HTML-Tree>.
COPYRIGHT AND LICENSE
Copyright 1995-1998 Gisle Aas, 1999-2004 Sean M. Burke, 2005 Andy Lester, 2006 Pete
Krawczyk, 2010 Jeff Fearn, 2012 Christopher J. Madsen.
This library is free software; you can redistribute it and/or modify it under the same
terms as Perl itself.
The programs in this library are distributed in the hope that they will be useful, but
without any warranty; without even the implied warranty of merchantability or fitness for
a particular purpose.
perl v5.28.1 2019-01-13 HTML::AsSubs(3pm)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
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Under GNU General Public License
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