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- #! /usr/bin/perl -w
-
- # Spell Checker Plugin for HTMLArea-3.0
- # Sponsored by www.americanbible.org
- # Implementation by Mihai Bazon, http://dynarch.com/mishoo/
- #
- # (c) dynarch.com 2003.
- # Distributed under the same terms as HTMLArea itself.
- # This notice MUST stay intact for use (see license.txt).
- #
- # $Id: spell-check-logic.cgi,v 1.5 2004/03/03 11:22:41 mschering Exp $
-
- use strict;
- use utf8;
- use Encode;
- use Text::Aspell;
- use XML::DOM;
- use CGI;
-
- my $TIMER_start = undef;
- eval {
- use Time::HiRes qw( gettimeofday tv_interval );
- $TIMER_start = [gettimeofday()];
- };
- # use POSIX qw( locale_h );
-
- binmode STDIN, ':utf8';
- binmode STDOUT, ':utf8';
-
- my $debug = 0;
-
- my $speller = new Text::Aspell;
- my $cgi = new CGI;
-
- my $total_words = 0;
- my $total_mispelled = 0;
- my $total_suggestions = 0;
- my $total_words_suggested = 0;
-
- # FIXME: report a nice error...
- die "Can't create speller!" unless $speller;
-
- my $dict = $cgi->param('dictionary') || $cgi->cookie('dictionary') || 'en';
-
- # add configurable option for this
- $speller->set_option('lang', $dict);
- $speller->set_option('encoding', 'UTF-8');
- #setlocale(LC_CTYPE, $dict);
-
- # ultra, fast, normal, bad-spellers
- # bad-spellers seems to cause segmentation fault
- $speller->set_option('sug-mode', 'normal');
-
- my %suggested_words = ();
- keys %suggested_words = 128;
-
- my $file_content = decode('UTF-8', $cgi->param('content'));
- $file_content = parse_with_dom($file_content);
-
- my $ck_dictionary = $cgi->cookie(-name => 'dictionary',
- -value => $dict,
- -expires => '+30d');
-
- print $cgi->header(-type => 'text/html; charset: utf-8',
- -cookie => $ck_dictionary);
-
- my $js_suggested_words = make_js_hash(\%suggested_words);
- my $js_spellcheck_info = make_js_hash_from_array
- ([
- [ 'Total words' , $total_words ],
- [ 'Mispelled words' , $total_mispelled . ' in dictionary \"'.$dict.'\"' ],
- [ 'Total suggestions' , $total_suggestions ],
- [ 'Total words suggested' , $total_words_suggested ],
- [ 'Spell-checked in' , defined $TIMER_start ? (tv_interval($TIMER_start) . ' seconds') : 'n/a' ]
- ]);
-
- print qq^<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <link rel="stylesheet" type="text/css" media="all" href="spell-check-style.css" />
- <script type="text/javascript">
- var suggested_words = { $js_suggested_words };
- var spellcheck_info = { $js_spellcheck_info }; </script>
- </head>
- <body onload="window.parent.finishedSpellChecking();">^;
-
- print $file_content;
- if ($cgi->param('init') eq '1') {
- my @dicts = $speller->dictionary_info();
- my $dictionaries = '';
- foreach my $i (@dicts) {
- next if $i->{jargon};
- my $name = $i->{name};
- if ($name eq $dict) {
- $name = '@'.$name;
- }
- $dictionaries .= ',' . $name;
- }
- $dictionaries =~ s/^,//;
- print qq^<div id="HA-spellcheck-dictionaries">$dictionaries</div>^;
- }
-
- print '</body></html>';
-
- # Perl is beautiful.
- sub spellcheck {
- my $node = shift;
- my $doc = $node->getOwnerDocument;
- my $check = sub { # called for each word in the text
- # input is in UTF-8
- my $word = shift;
- my $already_suggested = defined $suggested_words{$word};
- ++$total_words;
- if (!$already_suggested && $speller->check($word)) {
- return undef;
- } else {
- # we should have suggestions; give them back to browser in UTF-8
- ++$total_mispelled;
- if (!$already_suggested) {
- # compute suggestions for this word
- my @suggestions = $speller->suggest($word);
- my $suggestions = decode($speller->get_option('encoding'), join(',', @suggestions));
- $suggested_words{$word} = $suggestions;
- ++$total_suggestions;
- $total_words_suggested += scalar @suggestions;
- }
- # HA-spellcheck-error
- my $err = $doc->createElement('span');
- $err->setAttribute('class', 'HA-spellcheck-error');
- my $tmp = $doc->createTextNode;
- $tmp->setNodeValue($word);
- $err->appendChild($tmp);
- return $err;
- }
- };
- while ($node->getNodeValue =~ /([\p{IsWord}']+)/) {
- my $word = $1;
- my $before = $`;
- my $after = $';
- my $df = &$check($word);
- if (!$df) {
- $before .= $word;
- }
- {
- my $parent = $node->getParentNode;
- my $n1 = $doc->createTextNode;
- $n1->setNodeValue($before);
- $parent->insertBefore($n1, $node);
- $parent->insertBefore($df, $node) if $df;
- $node->setNodeValue($after);
- }
- }
- };
-
- sub check_inner_text {
- my $node = shift;
- my $text = '';
- for (my $i = $node->getFirstChild; defined $i; $i = $i->getNextSibling) {
- if ($i->getNodeType == TEXT_NODE) {
- spellcheck($i);
- }
- }
- };
-
- sub parse_with_dom {
- my ($text) = @_;
- $text = '<spellchecker>'.$text.'</spellchecker>';
-
- my $parser = new XML::DOM::Parser;
- if ($debug) {
- open(FOO, '>:utf8', '/tmp/foo');
- print FOO $text;
- close FOO;
- }
- my $doc = $parser->parse($text);
- my $nodes = $doc->getElementsByTagName('*');
- my $n = $nodes->getLength;
-
- for (my $i = 0; $i < $n; ++$i) {
- my $node = $nodes->item($i);
- if ($node->getNodeType == ELEMENT_NODE) {
- check_inner_text($node);
- }
- }
-
- my $ret = $doc->toString;
- $ret =~ s{<spellchecker>(.*)</spellchecker>}{$1}sg;
- return $ret;
- };
-
- sub make_js_hash {
- my ($hash) = @_;
- my $js_hash = '';
- while (my ($key, $val) = each %$hash) {
- $js_hash .= ',' if $js_hash;
- $js_hash .= '"'.$key.'":"'.$val.'"';
- }
- return $js_hash;
- };
-
- sub make_js_hash_from_array {
- my ($array) = @_;
- my $js_hash = '';
- foreach my $i (@$array) {
- $js_hash .= ',' if $js_hash;
- $js_hash .= '"'.$i->[0].'":"'.$i->[1].'"';
- }
- return $js_hash;
- };
-