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Moving old editor to htmlarea folder.
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julmis
155
lib/editor/htmlarea/plugins/SpellChecker/spell-check-logic.cgi
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155
lib/editor/htmlarea/plugins/SpellChecker/spell-check-logic.cgi
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#! /usr/bin/perl -w
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# Spell Checker Plugin for HTMLArea-3.0
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# Implementation by Mihai Bazon. Sponsored by www.americanbible.org
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#
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# htmlArea v3.0 - Copyright (c) 2002 interactivetools.com, inc.
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# This notice MUST stay intact for use (see license.txt).
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#
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# A free WYSIWYG editor replacement for <textarea> fields.
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# For full source code and docs, visit http://www.interactivetools.com/
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#
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# Version 3.0 developed by Mihai Bazon for InteractiveTools.
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# http://students.infoiasi.ro/~mishoo
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#
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# $Id$
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use strict;
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use utf8;
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use Encode;
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use Text::Aspell;
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use HTML::Parser;
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use HTML::Entities;
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use CGI;
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my $debug = 0;
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open (DEBUG, '>:encoding(UTF-8)', '> /tmp/spell-check-debug.log') if $debug;
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# use Data::Dumper; # for debug only
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my $speller = new Text::Aspell;
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my $cgi = new CGI;
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# FIXME: report a nice error...
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die "Can't create speller!" unless $speller;
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# add configurable option for this
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my $dict = $cgi->param('dictionary') || 'en_US';
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$speller->set_option('lang', $dict);
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# ultra, fast, normal, bad-spellers
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# bad-spellers seems to cause segmentation fault
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$speller->set_option('sug-mode', 'ultra');
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my @replacements = ();
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sub text_handler {
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my ($offset, $length, $text, $is_cdata) = @_;
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if ($is_cdata or $text =~ /^\s*$/) {
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return 0;
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}
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# print STDERR "*** OFFSET: $offset, LENGTH: $length, $text\n";
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$text = decode_entities($text);
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$text =~ s/&#([0-9]+);/chr($1)/eg;
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$text =~ s/&#x([0-9a-fA-F]+);/chr(hex $1)/eg;
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my $repl = spellcheck($text);
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if ($repl) {
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push(@replacements, [ $offset, $length, $repl ]);
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}
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}
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my $p = HTML::Parser->new
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(api_version => 3,
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handlers => { start => [ sub {
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my ($self, $tagname, $attrs) = @_;
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# print STDERR "\033[1;31m parsing tag: $tagname\033[0m\n";
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# following we skip words that have already been marked as "fixed".
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if ($tagname eq "span" and $attrs->{class} =~ /HA-spellcheck-fixed/) {
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$self->handler(text => undef);
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}
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}, "self, tagname, attr"
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],
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end => [ sub {
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my ($self, $tagname) = @_;
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# print STDERR "\033[1;32m END tag: $tagname\033[0m\n";
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$self->handler(text => \&text_handler, 'offset, length, dtext, is_cdata');
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}, "self, tagname"
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]
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}
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);
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$p->handler(text => \&text_handler, 'offset, length, dtext, is_cdata');
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$p->case_sensitive(1);
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my $file_content = $cgi->param('content');
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if ($debug) {
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open (FOO, '>:encoding(UTF-8)', '/tmp/spell-check-before');
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print FOO $file_content, "\n";
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close(FOO);
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}
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$p->parse($file_content);
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$p->eof();
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foreach (reverse @replacements) {
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substr($file_content, $_->[0], $_->[1], $_->[2]);
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}
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# we output UTF-8
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binmode(STDOUT, ':encoding(UTF-8)'); # apparently, this sucks.
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print "Content-type: text/html; charset: utf-8\n\n";
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print qq^
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<link rel="stylesheet" type="text/css" media="all" href="spell-check-style.css" />
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</head>
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<body onload="window.parent.finishedSpellChecking();">^;
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print $file_content;
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if ($cgi->param('init') eq '1') {
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my @dicts = $speller->dictionary_info();
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my $dictionaries = '';
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foreach my $i (@dicts) {
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$dictionaries .= ',' . $i->{name} unless $i->{jargon};
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}
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$dictionaries =~ s/^,//;
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print qq^
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<div id="HA-spellcheck-dictionaries"
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>$dictionaries</div>
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^;
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}
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if ($debug) {
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open (FOO, '>:encoding(UTF-8)', '/tmp/spell-check-after');
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print FOO $file_content, "\n";
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close(FOO);
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}
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print '</body></html>';
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# Perl is beautiful.
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sub spellcheck {
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my $text = shift;
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sub check { # called for each word in the text
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# input is in UTF-8
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my $U_word = shift;
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my $word = encode($speller->get_option('encoding'), $U_word);
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print DEBUG "*$U_word* ----> |$word|\n" if $debug;
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if ($speller->check($word)) {
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return $U_word; # we return the word in UTF-8
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} else {
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# we should have suggestions; give them back to browser in UTF-8
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my $suggestions = decode($speller->get_option('encoding'), join(',', $speller->suggest($word)));
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my $ret = '<span class="HA-spellcheck-error">'.$U_word.'</span><span class="HA-spellcheck-suggestions">'.$suggestions.'</span>';
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return $ret;
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}
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}
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$text =~ s/([[:word:]']+)/check($1)/egs;
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# $text =~ s/(\w+)/check($1)/egs;
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# the following is definitely what we want to use; too bad it sucks most.
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# $text =~ s/(\p{IsWord}+)/check($1)/egs;
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return $text;
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}
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