1: # The LearningOnline Network with CAPA
2: # Interface routines for Aspell
3: #
4: # $Id: lonspeller.pm,v 1.3 2004/07/22 20:19:20 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ######################################################################
29: ######################################################################
30:
31: package Apache::lonspeller;
32:
33: use Text::Aspell;
34: use Apache::lonlocal;
35: use strict;
36: my $speller;
37:
38: sub markeduptext {
39: my $input=shift;
40: my $output='';
41: foreach my $word (split(/\W+/,$input)) {
42: if ($speller->check($word)) {
43: $output.=$word.' ';
44: } else {
45: my $suggestions=join(' ',$speller->suggest($word));
46: &Apache::lonnet::logthis($suggestions);
47: $suggestions=~s/\'/\\\'/gs;
48: if ($suggestions) {
49: $output.='<a href="javascript:alert('."'".
50: $suggestions."');".
51: '">';
52: }
53: $output.='<font color="red">'.$word.'</font>';
54: if ($suggestions) { $output.='</a>'; }
55: $output.=' ';
56: }
57: }
58: return $output;
59: }
60:
61: sub initspeller {
62: unless (defined($speller)) {
63: $speller = Text::Aspell->new;
64: $speller->set_option('lang','en_US');
65: $speller->set_option('sug-mode','fast');
66: }
67: }
68:
69: sub handler {
70: my $r = shift;
71: &Apache::loncommon::content_type($r,'text/html');
72: $r->send_http_header;
73: return OK if $r->header_only;
74:
75: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
76:
77: &initspeller();
78: $r->print('<html><head><title>'.
79: &mt('Spell Checker').
80: '</title></head><body bgcolor="#DDDDDD">'.
81: &markeduptext($ENV{'form.text'}).
82: '</body></html>');
83: return OK;
84: }
85:
86: BEGIN {
87: &initspeller();
88: }
89:
90: 1;
91:
92: __END__
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