IkiWiki/Plugin/camelcase.pm



#!/usr/bin/perl
# CamelCase links
package IkiWiki::Plugin::camelcase;

use warnings;
use strict;
use IkiWiki 2.00;

sub import { #{{{
    hook(type => "filter", id => "camelcase", call => \&filter);
} # }}}

sub filter (@) { #{{{
    my %params=@_;

    # Make CamelCase links work by promoting them to fullfledged
    # WikiLinks. This regexp is based on the one in Text::WikiFormat.
    $params{content}=~s{
        (?<![^A-Za-z0-9\s]) # try to avoid expanding non-links
                    # with a zero width negative
                    # lookbehind for characters that
                    # suggest it's not a link
        \b          # word boundry
        (
            (?:
                [A-Z]       # Uppercase start
                [a-z0-9]    # followed by lowercase
                \w*     # and rest of word
            )
            {2,}            # repeated twice
        )
    }{[[$1]]}gx;

    return $params{content};
} #}}}

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