rich_paragraph.mc

gistfile1.txt

<% $paragraph %>
<%INIT>
my %embeds = ();

# Get paragraph with markup language
my $markup = $element->get_data('paragraph');

# Store embedded elements in a hash
foreach my $e ($element->get_elements) {
	if ($e->has_name('embed_related_image')) {
		my $key = "image[" . $e->get_data('key') . "]";
		my $uri = $e->get_related_media->get_uri;
		my $title = $e->get_data('alt') || $e->get_related_media->get_title;
		my $size = $e->get_data('size');
		my $class = $e->get_data('class');

		# replace image if size not original
		if ($size ne 'original') {
			$uri =~ s/(\.\w*)$/$size$1/;
		}

		$embeds{$key} = [$uri, $title, $class];
	} 
	elsif ($e->has_name('embed_related_story')) {
		my $story = $e->get_related_story;
		return $m->comp('PARENT:missingElementError', key=>'story', type=>'story') unless $story;
				
		my $key = 'story[' . $e->get_data('key') . ']';
		my $uri = $story->get_uri;
		my $title = $story->get_title;		
		my $anchor = $e->get_data('anchor');

		$embeds{$key} = [$uri, $title, $anchor];
	}
	elsif ($e->has_name('embed_related_url')) {
		my $story = $e->get_related_story;
		return $m->comp('PARENT:missingElementError', key=>'url', type=>'story') unless $story;

		my $key = 'url[' . $e->get_data('key') . ']';		
		my $uri = $story->get_data('protocol').$story->get_data('url');
		my $title = $story->get_title;

		my $properties = $story->get_container('dataobjects_properties_en');
		if ($properties) {
			$title = $properties->get_data('name') || $properties->get_data('heading');
		}

		$embeds{$key} = [$uri, $title];
	}
}

while (1) {
	if ($markup =~ /(?:"([^"]+)":)?((story|image|url)\[[^[\]]+\])/) {
		my ($title, $key, $type, $start, $end) = ($1, $2, $3, $-[0], $+[0]);
		my $data = $embeds{$key};
		next unless $data;

		if ($type eq 'image') {
			my $uri = $data->[0];
			$title = $title || $data->[1];
			my $class = $data->[2];

			my $tag = '!';
			$tag .= "($class)" if $class ne 'none';
			$tag .= $uri;
			$tag .= "($title)" if $title ne '';
			$tag .= "!";

			$markup = $` . $tag . $';
			# substr($markup, $start, $end, $tag);
		}
		elsif ($type eq 'story') {
			my $uri = $data->[0];
			$title = $title || $data->[1];
			my $anchor = $data->[2];

			my $tag = '"'.$title.'":'.$uri;
			$tag .= '#'.$anchor if $anchor;

			$markup = $`.$tag.$';
			#substr($markup, $start, $end, $tag);
		}
		elsif ($type eq 'url') {
			my $uri = $data->[0];
			$title = $title || $data->[1] || $data->[0];

			my $tag = '"'.$title.'":'.$uri;

			$markup = $`.$tag.$';
			# substr($markup, $start, $end, $tag);
		}
	}
	else {
		last;
	}
}

my $textile = new Text::Textile;
my $paragraph = $textile->process($markup);
</%INIT>