#! /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 1.3 2004/04/20 22:17:10 mipmip 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^
^;
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^
$dictionaries
^;
}
print '';
# 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) = @_;
$text = ''.$text.'';
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{(.*)}{$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;
};