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.\" titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and index
.\" entries marked with X<> in POD. Of course, you'll have to process the
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.\" ========================================================================
.\"
.IX Title "HTML::FormatText::WithLinks 3"
.TH HTML::FormatText::WithLinks 3 "2006-08-30" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
HTML::FormatText::WithLinks \- HTML to text conversion with links as footnotes
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use HTML::FormatText::WithLinks;
.Ve
.PP
.Vb 1
\& my $f = HTML::FormatText::WithLinks->new();
.Ve
.PP
.Vb 9
\& my $html = qq(
\&
\&
\&
\& Some html with a link
\&
\&
\&
\& );
.Ve
.PP
.Vb 1
\& my $text = $f->parse($html);
.Ve
.PP
.Vb 1
\& print $text;
.Ve
.PP
.Vb 1
\& # results in something like
.Ve
.PP
.Vb 1
\& Some html with a [1]link
.Ve
.PP
.Vb 1
\& 1. http://example.com/
.Ve
.PP
.Vb 5
\& my $f2 = HTML::FormatText::WithLinks->new(
\& before_link => '',
\& after_link => ' [%l]',
\& footnote => ''
\& );
.Ve
.PP
.Vb 2
\& $text = $f2->parse($html);
\& print $text;
.Ve
.PP
.Vb 1
\& # results in something like
.Ve
.PP
.Vb 1
\& Some html with a link [http://example.com/]
.Ve
.PP
.Vb 6
\& my $f3 = HTML::FormatText::WithLinks->new(
\& link_num_generator => sub {
\& return "*" x (shift() + 1);
\& },
\& footnote => '[%n] %l'
\& );
.Ve
.PP
.Vb 2
\& $text = $f3->parse($html);
\& print $text;
.Ve
.PP
.Vb 1
\& # results in something like
.Ve
.PP
.Vb 1
\& Some html with a [*]link
.Ve
.PP
.Vb 1
\& [*] http://example.com/
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
HTML::FormatText::WithLinks takes \s-1HTML\s0 and turns it into plain text
but prints all the links in the \s-1HTML\s0 as footnotes. By default, it attempts
to mimic the format of the lynx text based web browser's \-\-dump option.
.SH "METHODS"
.IX Header "METHODS"
.Sh "new"
.IX Subsection "new"
.Vb 1
\& my $f = HTML::FormatText::WithLinks->new( %options );
.Ve
.PP
Returns a new instance. It accepts all the options of HTML::FormatText plus
.IP "base" 4
.IX Item "base"
a base option. This should be set to a \s-1URI\s0 which will be used to turn any
relative URIs on the \s-1HTML\s0 to absolute ones.
.IP "before_link (default: '[%n]')" 4
.IX Item "before_link (default: '[%n]')"
.PD 0
.IP "after_link (default: '')" 4
.IX Item "after_link (default: '')"
.ie n .IP "footnote (default: '[%n] %l')" 4
.el .IP "footnote (default: '[%n] \f(CW%l\fR')" 4
.IX Item "footnote (default: '[%n] %l')"
.PD
a string to print before a link (i.e. when the is found),
after link has ended (i.e. when then is found) and when printing
out footnotes.
.Sp
\&\*(L"%n\*(R" will be replaced by the link number, \*(L"%l\*(R" will be replaced by the
link itself.
.Sp
If footnote is set to '', no footnotes will be printed.
.IP "link_num_generator (default: sub { return \fIshift()\fR + 1 })" 4
.IX Item "link_num_generator (default: sub { return shift() + 1 })"
link_num_generator is a sub that returns the value to be printed for a
given link number. The internal store starts numbering at 0.
.IP "with_emphasis" 4
.IX Item "with_emphasis"
If set to 1 then italicised text will be surrounded by / and bolded text by _.
.Sh "parse"
.IX Subsection "parse"
.Vb 1
\& my $text = $f->parse($html);
.Ve
.PP
Takes some \s-1HTML\s0 and returns it as text. Returns undef on error.
.PP
Will also return undef if you don't pass it undef. Returns an empty
string if passed an empty string.
.Sh "parse_file"
.IX Subsection "parse_file"
.Vb 1
\& my $text = $f->parse_file($filename);
.Ve
.PP
Takes a filename and returns the contents of the file as plain text.
Returns undef on error.
.Sh "error"
.IX Subsection "error"
.Vb 1
\& $f->error();
.Ve
.PP
Returns the last error that occured. In practice this is likely to be
either a warning that parse_file couldn't find the file or that
HTML::TreeBuilder failed.
.SH "CAVEATS"
.IX Header "CAVEATS"
When passing \s-1HTML\s0 fragments the results may be a little unpredictable.
I've tried to work round the most egregious of the issues but any
unexpected results are welcome.
.PP
Also note that if for some reason there is an a tag in the document
that does not have an href attribute then it will be quietly ignored.
If this is really a problem for anyone then let me know and I'll see
if I can think of a sensible thing to do in this case.
.SH "AUTHOR"
.IX Header "AUTHOR"
Struan Donald.
.PP
.PP
Ian Malpass was responsible for the custom
formatting bits and the nudge to release the code.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (C) 2003 Struan Donald and Ian Malpass. All rights reserved.
.PP
This program is free software; you can redistribute
it and/or modify it under the same terms as Perl itself.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIperl\fR\|(1), HTML::Formatter.