MirOS Manual: Pod::ParseLink(3p)

Pod::ParseLink(3pPerl Programmers Reference GuiPod::ParseLink(3p)


     Pod::ParseLink - Parse an L<> formatting code in POD text


         use Pod::ParseLink;
         my ($text, $inferred, $name, $section, $type) = parselink ($link);


     This module only provides a single function, parselink(),
     which takes the text of an L<> formatting code and parses
     it.  It returns the anchor text for the link (if any was
     given), the anchor text possibly inferred from the name and
     section, the name or URL, the section if any, and the type
     of link.  The type will be one of 'url', 'pod', or 'man',
     indicating a URL, a link to a POD page, or a link to a Unix
     manual page.

     Parsing is implemented per perlpodspec.  For backward compa-
     tibility, links where there is no section and name contains
     spaces, or links where the entirety of the link (except for
     the anchor text if given) is enclosed in double-quotes are
     interpreted as links to a section (L</section>).

     The inferred anchor text is implemented per perlpodspec:

         L<name>         =>  L<name|name>
         L</section>     =>  L<"section"|/section>
         L<name/section> =>  L<"section" in name|name/section>

     The name may contain embedded E<> and Z<> formatting codes,
     and the section, anchor text, and inferred anchor text may
     contain any formatting codes.  Any double quotes around the
     section are removed as part of the parsing, as is any lead-
     ing or trailing whitespace.

     If the text of the L<> escape is entirely enclosed in double
     quotes, it's interpreted as a link to a section for back-
     wards compatibility.

     No attempt is made to resolve formatting codes.  This must
     be done after calling parselink (since E<> formatting codes
     can be used to escape characters that would otherwise be
     significant to the parser and resolving them before parsing
     would result in an incorrect parse of a formatting code


     which should be interpreted as a link to the
     "vertical|bar/slash" POD page and not as a link to the
     "slash" section of the "bar" POD page with an anchor text of
     "vertical".  Note that not only the anchor text will need to

perl v5.8.8                2005-02-05                           1

Pod::ParseLink(3pPerl Programmers Reference GuiPod::ParseLink(3p)

     have formatting codes expanded, but so will the target of
     the link (to deal with E<> and Z<> formatting codes), and
     special handling of the section may be necessary depending
     on whether the translator wants to consider markup in sec-
     tions to be significant when resolving links.  See perl-
     podspec for more information.



     The current version of this module is always available from
     its web site at


     Russ Allbery <rra@stanford.edu>.


     Copyright 2001 by Russ Allbery <rra@stanford.edu>.

     This program is free software; you may redistribute it
     and/or modify it under the same terms as Perl itself.

perl v5.8.8                2005-02-05                           2

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