?? spellchecker.pl
字號:
#!/usr/bin/perl
use CGI qw/ :standard /;
use File::Temp qw/ tempfile tempdir /;
# my $spellercss = '/speller/spellerStyle.css'; # by FredCK
my $spellercss = '../spellerStyle.css'; # by FredCK
# my $wordWindowSrc = '/speller/wordWindow.js'; # by FredCK
my $wordWindowSrc = '../wordWindow.js'; # by FredCK
my @textinputs = param( 'textinputs[]' ); # array
# my $aspell_cmd = 'aspell'; # by FredCK (for Linux)
my $aspell_cmd = '"C:\Program Files\Aspell\bin\aspell.exe"'; # by FredCK (for Windows)
my $lang = 'en_US';
# my $aspell_opts = "-a --lang=$lang --encoding=utf-8"; # by FredCK
my $aspell_opts = "-a --lang=$lang --encoding=utf-8 -H --rem-sgml-check=alt"; # by FredCK
my $input_separator = "A";
# set the 'wordtext' JavaScript variable to the submitted text.
sub printTextVar {
for( my $i = 0; $i <= $#textinputs; $i++ ) {
print "textinputs[$i] = decodeURIComponent('" . escapeQuote( $textinputs[$i] ) . "')\n";
}
}
sub printTextIdxDecl {
my $idx = shift;
print "words[$idx] = [];\n";
print "suggs[$idx] = [];\n";
}
sub printWordsElem {
my( $textIdx, $wordIdx, $word ) = @_;
print "words[$textIdx][$wordIdx] = '" . escapeQuote( $word ) . "';\n";
}
sub printSuggsElem {
my( $textIdx, $wordIdx, @suggs ) = @_;
print "suggs[$textIdx][$wordIdx] = [";
for my $i ( 0..$#suggs ) {
print "'" . escapeQuote( $suggs[$i] ) . "'";
if( $i < $#suggs ) {
print ", ";
}
}
print "];\n";
}
sub printCheckerResults {
my $textInputIdx = -1;
my $wordIdx = 0;
my $unhandledText;
# create temp file
my $dir = tempdir( CLEANUP => 1 );
my( $fh, $tmpfilename ) = tempfile( DIR => $dir );
# temp file was created properly?
# open temp file, add the submitted text.
for( my $i = 0; $i <= $#textinputs; $i++ ) {
$text = url_decode( $textinputs[$i] );
@lines = split( /\n/, $text );
print $fh "\%\n"; # exit terse mode
print $fh "^$input_separator\n";
print $fh "!\n"; # enter terse mode
for my $line ( @lines ) {
# use carat on each line to escape possible aspell commands
print $fh "^$line\n";
}
}
# exec aspell command
my $cmd = "$aspell_cmd $aspell_opts < $tmpfilename 2>&1";
open ASPELL, "$cmd |" or handleError( "Could not execute `$cmd`\\n$!" ) and return;
# parse each line of aspell return
for my $ret ( <ASPELL> ) {
chomp( $ret );
# if '&', then not in dictionary but has suggestions
# if '#', then not in dictionary and no suggestions
# if '*', then it is a delimiter between text inputs
if( $ret =~ /^\*/ ) {
$textInputIdx++;
printTextIdxDecl( $textInputIdx );
$wordIdx = 0;
} elsif( $ret =~ /^(&|#)/ ) {
my @tokens = split( " ", $ret, 5 );
printWordsElem( $textInputIdx, $wordIdx, $tokens[1] );
my @suggs = ();
if( $tokens[4] ) {
@suggs = split( ", ", $tokens[4] );
}
printSuggsElem( $textInputIdx, $wordIdx, @suggs );
$wordIdx++;
} else {
$unhandledText .= $ret;
}
}
close ASPELL or handleError( "Error executing `$cmd`\\n$unhandledText" ) and return;
}
sub escapeQuote {
my $str = shift;
$str =~ s/'/\\'/g;
return $str;
}
sub handleError {
my $err = shift;
print "error = '" . escapeQuote( $err ) . "';\n";
}
sub url_decode {
local $_ = @_ ? shift : $_;
defined or return;
# change + signs to spaces
tr/+/ /;
# change hex escapes to the proper characters
s/%([a-fA-F0-9]{2})/pack "H2", $1/eg;
return $_;
}
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# Display HTML
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
print <<EOF;
Content-type: text/html; charset=utf-8
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="$spellercss"/>
<script src="$wordWindowSrc"></script>
<script type="text/javascript">
var suggs = new Array();
var words = new Array();
var textinputs = new Array();
var error;
EOF
printTextVar();
printCheckerResults();
print <<EOF;
var wordWindowObj = new wordWindow();
wordWindowObj.originalSpellings = words;
wordWindowObj.suggestions = suggs;
wordWindowObj.textInputs = textinputs;
function init_spell() {
// check if any error occured during server-side processing
if( error ) {
alert( error );
} else {
// call the init_spell() function in the parent frameset
if (parent.frames.length) {
parent.init_spell( wordWindowObj );
} else {
error = "This page was loaded outside of a frameset. ";
error += "It might not display properly";
alert( error );
}
}
}
</script>
</head>
<body onLoad="init_spell();">
<script type="text/javascript">
wordWindowObj.writeBody();
</script>
</body>
</html>
EOF
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