/generador-examenes-XHTML/fckeditor/editor/dialog/fck_spellerpages/spellerpages/server-scripts/spellchecker.php

<?php

header('Content-type: text/html; charset=utf-8');



// The following variables values must reflect your installation needs.



$aspell_prog	= '"C:\Program Files\Aspell\bin\aspell.exe"';	// by FredCK (for Windows)

//$aspell_prog	= 'aspell';										// by FredCK (for Linux)



$lang			= 'en_US';

$aspell_opts	= "-a --lang=$lang --encoding=utf-8 -H --rem-sgml-check=alt";		// by FredCK



$tempfiledir	= "./";



$spellercss		= '../spellerStyle.css';						// by FredCK

$word_win_src	= '../wordWindow.js';							// by FredCK



$textinputs		= $_POST['textinputs']; # array

$input_separator = "A";



# set the JavaScript variable to the submitted text.

# textinputs is an array, each element corresponding to the (url-encoded)

# value of the text control submitted for spell-checking

function print_textinputs_var() {

	global $textinputs;

	foreach( $textinputs as $key=>$val ) {

		# $val = str_replace( "'", "%27", $val );

		echo "textinputs[$key] = decodeURIComponent(\"" . $val . "\");\n";

	}

}



# make declarations for the text input index

function print_textindex_decl( $text_input_idx ) {

	echo "words[$text_input_idx] = [];\n";

	echo "suggs[$text_input_idx] = [];\n";

}



# set an element of the JavaScript 'words' array to a misspelled word

function print_words_elem( $word, $index, $text_input_idx ) {

	echo "words[$text_input_idx][$index] = '" . escape_quote( $word ) . "';\n";

}





# set an element of the JavaScript 'suggs' array to a list of suggestions

function print_suggs_elem( $suggs, $index, $text_input_idx ) {

	echo "suggs[$text_input_idx][$index] = [";

	foreach( $suggs as $key=>$val ) {

		if( $val ) {

			echo "'" . escape_quote( $val ) . "'";

			if ( $key+1 < count( $suggs )) {

				echo ", ";

			}

		}

	}

	echo "];\n";

}



# escape single quote

function escape_quote( $str ) {

	return preg_replace ( "/'/", "\\'", $str );

}





# handle a server-side error.

function error_handler( $err ) {

	echo "error = '" . escape_quote( $err ) . "';\n";

}



## get the list of misspelled words. Put the results in the javascript words array

## for each misspelled word, get suggestions and put in the javascript suggs array

function print_checker_results() {



	global $aspell_prog;

	global $aspell_opts;

	global $tempfiledir;

	global $textinputs;

	global $input_separator;

	$aspell_err = "";

	# create temp file

	$tempfile = tempnam( $tempfiledir, 'aspell_data_' );



	# open temp file, add the submitted text.

	if( $fh = fopen( $tempfile, 'w' )) {

		for( $i = 0; $i < count( $textinputs ); $i++ ) {

			$text = urldecode( $textinputs[$i] );



			// Strip all tags for the text. (by FredCK - #339 / #681)

			$text = preg_replace( "/<[^>]+>/", " ", $text ) ;



			$lines = explode( "\n", $text );

			fwrite ( $fh, "%\n" ); # exit terse mode

			fwrite ( $fh, "^$input_separator\n" );

			fwrite ( $fh, "!\n" ); # enter terse mode

			foreach( $lines as $key=>$value ) {

				# use carat on each line to escape possible aspell commands

				fwrite( $fh, "^$value\n" );

			}

		}

		fclose( $fh );



		# exec aspell command - redirect STDERR to STDOUT

		$cmd = "$aspell_prog $aspell_opts < $tempfile 2>&1";

		if( $aspellret = shell_exec( $cmd )) {

			$linesout = explode( "\n", $aspellret );

			$index = 0;

			$text_input_index = -1;

			# parse each line of aspell return

			foreach( $linesout as $key=>$val ) {

				$chardesc = substr( $val, 0, 1 );

				# 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 '@' then version info

				if( $chardesc == '&' || $chardesc == '#' ) {

					$line = explode( " ", $val, 5 );

					print_words_elem( $line[1], $index, $text_input_index );

					if( isset( $line[4] )) {

						$suggs = explode( ", ", $line[4] );

					} else {

						$suggs = array();

					}

					print_suggs_elem( $suggs, $index, $text_input_index );

					$index++;

				} elseif( $chardesc == '*' ) {

					$text_input_index++;

					print_textindex_decl( $text_input_index );

					$index = 0;

				} elseif( $chardesc != '@' && $chardesc != "" ) {

					# assume this is error output

					$aspell_err .= $val;

				}

			}

			if( $aspell_err ) {

				$aspell_err = "Error executing `$cmd`\\n$aspell_err";

				error_handler( $aspell_err );

			}

		} else {

			error_handler( "System error: Aspell program execution failed (`$cmd`)" );

		}

	} else {

		error_handler( "System error: Could not open file '$tempfile' for writing" );

	}



	# close temp file, delete file

	unlink( $tempfile );

}





?>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<link rel="stylesheet" type="text/css" href="<?php echo $spellercss ?>" />

<script language="javascript" src="<?php echo $word_win_src ?>"></script>

<script language="javascript">

var suggs = new Array();

var words = new Array();

var textinputs = new Array();

var error;

<?php



print_textinputs_var();



print_checker_results();



?>



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 {

			alert('This page was loaded outside of a frameset. It might not display properly');

		}

	}

}







</script>



</head>

<!-- <body onLoad="init_spell();">		by FredCK -->

<body onLoad="init_spell();" bgcolor="#ffffff">



<script type="text/javascript">

wordWindowObj.writeBody();

</script>



</body>

</html>