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   1  #!/usr/bin/perl
   2  
   3  use CGI qw/ :standard /;
   4  use File::Temp qw/ tempfile tempdir /;
   5  
   6  # my $spellercss = '/speller/spellerStyle.css';                    # by FredCK
   7  my $spellercss = '../spellerStyle.css';                            # by FredCK
   8  # my $wordWindowSrc = '/speller/wordWindow.js';                    # by FredCK
   9  my $wordWindowSrc = '../wordWindow.js';                            # by FredCK
  10  my @textinputs = param( 'textinputs[]' ); # array
  11  # my $aspell_cmd = 'aspell';                                    # by FredCK (for Linux)
  12  my $aspell_cmd = '"C:\Program Files\Aspell\bin\aspell.exe"';    # by FredCK (for Windows)
  13  my $lang = 'en_US';
  14  # my $aspell_opts = "-a --lang=$lang --encoding=utf-8";            # by FredCK
  15  my $aspell_opts = "-a --lang=$lang --encoding=utf-8 -H --rem-sgml-check=alt";        # by FredCK
  16  my $input_separator = "A";
  17  
  18  # set the 'wordtext' JavaScript variable to the submitted text.
  19  sub printTextVar {
  20      for( my $i = 0; $i <= $#textinputs; $i++ ) {
  21              print "textinputs[$i] = decodeURIComponent('" . escapeQuote( $textinputs[$i] ) . "')\n";
  22      }
  23  }
  24  
  25  sub printTextIdxDecl {
  26      my $idx = shift;
  27      print "words[$idx] = [];\n";
  28      print "suggs[$idx] = [];\n";
  29  }
  30  
  31  sub printWordsElem {
  32      my( $textIdx, $wordIdx, $word ) = @_;
  33      print "words[$textIdx][$wordIdx] = '" . escapeQuote( $word ) . "';\n";
  34  }
  35  
  36  sub printSuggsElem {
  37      my( $textIdx, $wordIdx, @suggs ) = @_;
  38      print "suggs[$textIdx][$wordIdx] = [";
  39      for my $i ( 0..$#suggs ) {
  40          print "'" . escapeQuote( $suggs[$i] ) . "'";
  41          if( $i < $#suggs ) {
  42              print ", ";
  43          }
  44      }
  45      print "];\n";
  46  }
  47  
  48  sub printCheckerResults {
  49      my $textInputIdx = -1;
  50      my $wordIdx = 0;
  51      my $unhandledText;
  52      # create temp file
  53      my $dir = tempdir( CLEANUP => 1 );
  54      my( $fh, $tmpfilename ) = tempfile( DIR => $dir );
  55  
  56      # temp file was created properly?
  57  
  58      # open temp file, add the submitted text.
  59      for( my $i = 0; $i <= $#textinputs; $i++ ) {
  60          $text = url_decode( $textinputs[$i] );
  61          # Strip all tags for the text. (by FredCK - #339 / #681)
  62          $text =~ s/<[^>]+>/ /g;
  63          @lines = split( /\n/, $text );
  64          print $fh "\%\n"; # exit terse mode
  65          print $fh "^$input_separator\n";
  66          print $fh "!\n";  # enter terse mode
  67          for my $line ( @lines ) {
  68              # use carat on each line to escape possible aspell commands
  69              print $fh "^$line\n";
  70          }
  71  
  72      }
  73      # exec aspell command
  74      my $cmd = "$aspell_cmd $aspell_opts < $tmpfilename 2>&1";
  75      open ASPELL, "$cmd |" or handleError( "Could not execute `$cmd`\\n$!" ) and return;
  76      # parse each line of aspell return
  77      for my $ret ( <ASPELL> ) {
  78          chomp( $ret );
  79          # if '&', then not in dictionary but has suggestions
  80          # if '#', then not in dictionary and no suggestions
  81          # if '*', then it is a delimiter between text inputs
  82          if( $ret =~ /^\*/ ) {
  83              $textInputIdx++;
  84              printTextIdxDecl( $textInputIdx );
  85              $wordIdx = 0;
  86  
  87          } elsif( $ret =~ /^(&|#)/ ) {
  88              my @tokens = split( " ", $ret, 5 );
  89              printWordsElem( $textInputIdx, $wordIdx, $tokens[1] );
  90              my @suggs = ();
  91              if( $tokens[4] ) {
  92                  @suggs = split( ", ", $tokens[4] );
  93              }
  94              printSuggsElem( $textInputIdx, $wordIdx, @suggs );
  95              $wordIdx++;
  96          } else {
  97              $unhandledText .= $ret;
  98          }
  99      }
 100      close ASPELL or handleError( "Error executing `$cmd`\\n$unhandledText" ) and return;
 101  }
 102  
 103  sub escapeQuote {
 104      my $str = shift;
 105      $str =~ s/'/\\'/g;
 106      return $str;
 107  }
 108  
 109  sub handleError {
 110      my $err = shift;
 111      print "error = '" . escapeQuote( $err ) . "';\n";
 112  }
 113  
 114  sub url_decode {
 115      local $_ = @_ ? shift : $_;
 116      defined or return;
 117      # change + signs to spaces
 118      tr/+/ /;
 119      # change hex escapes to the proper characters
 120      s/%([a-fA-F0-9]{2})/pack "H2", $1/eg;
 121      return $_;
 122  }
 123  
 124  # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 125  # Display HTML
 126  # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 127  
 128  print <<EOF;
 129  Content-type: text/html; charset=utf-8
 130  
 131  <html>
 132  <head>
 133  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 134  <link rel="stylesheet" type="text/css" href="$spellercss"/>
 135  <script src="$wordWindowSrc"></script>
 136  <script type="text/javascript">
 137  var suggs = new Array();
 138  var words = new Array();
 139  var textinputs = new Array();
 140  var error;
 141  EOF
 142  
 143  printTextVar();
 144  
 145  printCheckerResults();
 146  
 147  print <<EOF;
 148  var wordWindowObj = new wordWindow();
 149  wordWindowObj.originalSpellings = words;
 150  wordWindowObj.suggestions = suggs;
 151  wordWindowObj.textInputs = textinputs;
 152  
 153  
 154  function init_spell() {
 155      // check if any error occured during server-side processing
 156      if( error ) {
 157          alert( error );
 158      } else {
 159          // call the init_spell() function in the parent frameset
 160          if (parent.frames.length) {
 161              parent.init_spell( wordWindowObj );
 162          } else {
 163              error = "This page was loaded outside of a frameset. ";
 164              error += "It might not display properly";
 165              alert( error );
 166          }
 167      }
 168  }
 169  
 170  </script>
 171  
 172  </head>
 173  <body onLoad="init_spell();">
 174  
 175  <script type="text/javascript">
 176  wordWindowObj.writeBody();
 177  </script>
 178  
 179  </body>
 180  </html>
 181  EOF