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

use warnings;
use strict;
use IkiWiki 2.00;

# This regexp is based on the one in Text::WikiFormat.
my $link_regexp=qr{
	(?<![^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
	)
}x;

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

sub getsetup () { #{{{
	return
		plugin => {
			safe => 1,
			rebuild => undef,
		};
} #}}}

sub linkify (@) { #{{{
	my %params=@_;
	my $page=$params{page};
	my $destpage=$params{destpage};

	$params{content}=~s{$link_regexp}{
		htmllink($page, $destpage, IkiWiki::linkpage($1))
	}eg;

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

sub scan (@) { #{{{
        my %params=@_;
        my $page=$params{page};
        my $content=$params{content};

	while ($content =~ /$link_regexp/g) {
		push @{$links{$page}}, IkiWiki::linkpage($1);
	}
}

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