# Copyright (c) 2009 bivio Software, Inc.  All Rights Reserved.
#
# Visit http://www.bivio.biz for more info.
# 
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library;  If not, you may get a copy from:
# http://www.opensource.org/licenses/lgpl-license.html
# 
# $Id: Include.pm,v 1.5 2009/10/12 05:28:10 nagler Exp $
package Bivio::UI::XHTML::Widget::WikiText::Include;
use strict;
use Bivio::Base 'XHTMLWidget.WikiTextTag';

our($VERSION) = sprintf('%d.%02d', q$Revision: 1.5 $ =~ /\d+/g);
my($_CC) = b_use('IO.CallingContext');
my($_SUFFIX) = '.bwiki';

sub handle_register {
    return [qw(b-include)];
}

sub parse_tag_start {
    sub PARSE_TAG_START {[[qw(file FileName)]]};
    my($proto, $args, $attrs) = shift->parameters(@_);
    return
	unless $proto;
    _load($args->{state}, $attrs->{file}, 0);
    return;
}

sub pre_parse {
    my($proto, $state) = @_;
    return
	if $state->{is_inline_text};
    _load($state, 'my', 1);
    return;
}

sub _load {
    my($state, $base, $ignore_not_found) = @_;
    return
	unless my $rf = $state->{proto}->unsafe_load_wiki_data(
	    $base . $_SUFFIX,
	    $state,
	    $ignore_not_found,
	);
    $state->{proto}->include_content(
	$rf->get_content,
	$_CC->new_from_file_line($rf->get('path'), 0),
	$state,
    );
    return;
}

1;