📄 spellchecker.pl
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#!/usr/bin/perluse CGI qw/ :standard /;use File::Temp qw/ tempfile tempdir /;# my $spellercss = '/speller/spellerStyle.css'; # by FredCKmy $spellercss = '../spellerStyle.css'; # by FredCK# my $wordWindowSrc = '/speller/wordWindow.js'; # by FredCKmy $wordWindowSrc = '../wordWindow.js'; # by FredCKmy @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 FredCKmy $aspell_opts = "-a --lang=$lang --encoding=utf-8 -H"; # by FredCKmy $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;EOFprintTextVar();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⌨️ 快捷键说明
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