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#!/usr/bin/perl
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use CGI qw/ :standard /;
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use File::Temp qw/ tempfile tempdir /;
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# my $spellercss = '/speller/spellerStyle.css'; # by FredCK
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my $spellercss = '../spellerStyle.css'; # by FredCK
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# my $wordWindowSrc = '/speller/wordWindow.js'; # by FredCK
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my $wordWindowSrc = '../wordWindow.js'; # by FredCK
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my @textinputs = param( 'textinputs[]' ); # array
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# my $aspell_cmd = 'aspell'; # by FredCK (for Linux)
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my $aspell_cmd = '"C:\Program Files\Aspell\bin\aspell.exe"'; # by FredCK (for Windows)
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my $lang = 'en_US';
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# my $aspell_opts = "-a --lang=$lang --encoding=utf-8"; # by FredCK
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my $aspell_opts = "-a --lang=$lang --encoding=utf-8 -H --rem-sgml-check=alt"; # by FredCK
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my $input_separator = "A";
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# set the 'wordtext' JavaScript variable to the submitted text.
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sub printTextVar {
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for( my $i = 0; $i <= $#textinputs; $i++ ) {
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print "textinputs[$i] = decodeURIComponent('" . escapeQuote( $textinputs[$i] ) . "')\n";
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}
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}
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sub printTextIdxDecl {
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my $idx = shift;
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print "words[$idx] = [];\n";
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print "suggs[$idx] = [];\n";
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}
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sub printWordsElem {
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my( $textIdx, $wordIdx, $word ) = @_;
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print "words[$textIdx][$wordIdx] = '" . escapeQuote( $word ) . "';\n";
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}
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sub printSuggsElem {
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my( $textIdx, $wordIdx, @suggs ) = @_;
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print "suggs[$textIdx][$wordIdx] = [";
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for my $i ( 0..$#suggs ) {
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print "'" . escapeQuote( $suggs[$i] ) . "'";
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if( $i < $#suggs ) {
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print ", ";
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}
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}
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print "];\n";
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}
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sub printCheckerResults {
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my $textInputIdx = -1;
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my $wordIdx = 0;
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my $unhandledText;
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# create temp file
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my $dir = tempdir( CLEANUP => 1 );
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my( $fh, $tmpfilename ) = tempfile( DIR => $dir );
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# temp file was created properly?
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# open temp file, add the submitted text.
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for( my $i = 0; $i <= $#textinputs; $i++ ) {
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$text = url_decode( $textinputs[$i] );
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# Strip all tags for the text. (by FredCK - #339 / #681)
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$text =~ s/<[^>]+>/ /g;
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@lines = split( /\n/, $text );
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print $fh "\%\n"; # exit terse mode
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print $fh "^$input_separator\n";
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print $fh "!\n"; # enter terse mode
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for my $line ( @lines ) {
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# use carat on each line to escape possible aspell commands
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print $fh "^$line\n";
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}
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}
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# exec aspell command
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my $cmd = "$aspell_cmd $aspell_opts < $tmpfilename 2>&1";
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open ASPELL, "$cmd |" or handleError( "Could not execute `$cmd`\\n$!" ) and return;
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# parse each line of aspell return
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for my $ret ( <ASPELL> ) {
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chomp( $ret );
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# if '&', then not in dictionary but has suggestions
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# if '#', then not in dictionary and no suggestions
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# if '*', then it is a delimiter between text inputs
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if( $ret =~ /^\*/ ) {
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$textInputIdx++;
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printTextIdxDecl( $textInputIdx );
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$wordIdx = 0;
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} elsif( $ret =~ /^(&|#)/ ) {
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my @tokens = split( " ", $ret, 5 );
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printWordsElem( $textInputIdx, $wordIdx, $tokens[1] );
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my @suggs = ();
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if( $tokens[4] ) {
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@suggs = split( ", ", $tokens[4] );
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}
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printSuggsElem( $textInputIdx, $wordIdx, @suggs );
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$wordIdx++;
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} else {
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$unhandledText .= $ret;
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}
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}
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close ASPELL or handleError( "Error executing `$cmd`\\n$unhandledText" ) and return;
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}
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sub escapeQuote {
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my $str = shift;
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$str =~ s/'/\\'/g;
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return $str;
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}
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sub handleError {
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my $err = shift;
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print "error = '" . escapeQuote( $err ) . "';\n";
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}
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sub url_decode {
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local $_ = @_ ? shift : $_;
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defined or return;
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# change + signs to spaces
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tr/+/ /;
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# change hex escapes to the proper characters
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s/%([a-fA-F0-9]{2})/pack "H2", $1/eg;
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return $_;
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}
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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# Display HTML
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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print <<EOF;
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Content-type: text/html; charset=utf-8
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link rel="stylesheet" type="text/css" href="$spellercss"/>
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<script src="$wordWindowSrc"></script>
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<script type="text/javascript">
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var suggs = new Array();
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var words = new Array();
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var textinputs = new Array();
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var error;
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EOF
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printTextVar();
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printCheckerResults();
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print <<EOF;
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var wordWindowObj = new wordWindow();
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wordWindowObj.originalSpellings = words;
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wordWindowObj.suggestions = suggs;
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wordWindowObj.textInputs = textinputs;
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function init_spell() {
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// check if any error occured during server-side processing
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if( error ) {
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alert( error );
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} else {
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// call the init_spell() function in the parent frameset
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if (parent.frames.length) {
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parent.init_spell( wordWindowObj );
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} else {
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error = "This page was loaded outside of a frameset. ";
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error += "It might not display properly";
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alert( error );
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}
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}
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}
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</script>
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</head>
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<body onLoad="init_spell();">
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<script type="text/javascript">
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wordWindowObj.writeBody();
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</script>
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</body>
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</html>
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EOF
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