<?php
include_once( './class_dea.inc');
include_once( './common.inc');
//_print out a nice header + title + inner-head-tags like "<link>"
_metaheader( "php-class_DEA", "<link href='automata.css' rel='stylesheet' type='text/css'>" );
/* ..we have to define..
*
* ..the states(Q) of the dea,
* ..the set of terminal-symbols(S),
* ..transform-func(delta),
* ..the starting state(qS),
* ..the set of final-states(qF)
*/
$Q = array( 0, 1, 2, 3 );
$S = array( 'a', 'b' );
$delta = array( 0 => array( 'a' => 3 ,
'b' => 0 ),
3 => array( 'a' => 3 ,
'b' => 0 ));
$qS = array( 0 );
$qF = array( 3 );
$tmpHTML = "<div align='center'><table>\n\t<tr>";
$tmpHTML .= "<td colspan='2'><h2>DEA-Acceptor</h2><br>";
//...either we get a word
if (! isset($word)) { $word = 'abb'; }
// ..create a new-empty dea-object
if ( $dea0 = new DEA( $Q, $S, $delta, $qS, $qF ) ){
// ..define and stamp our dea
// ..comment out the next line 4 getting the dea we specified above
$dea0->readDeltafromFile( './dea/as-bs_3mod4.spec' );
$tmpHTML .= "Given word was... [".$word."]<br><br>";
//..if we accept, then
if ( $dea0->accept( $word ) ) {
$tmpHTML .= "dea succesfull created!<br>\ndea accepted [".$word."] :)";
} else {
$tmpHTML .= "dea <strong>NOT</strong> accepted [".$word."]<br><br> ";
}
} else {
//..otherwise
$tmpHTML .= "dea creating failed...";
}
$tmpHTML .= "</td></tr>";
$tmpHTML .= "<tr>\n";
$tmpHTML .= "<td>\n";
$tmpHTML .= "<br>State----Symbol----State+1<br>";
// ..write out our transitions of our dea
$icount = count ($dea0->delta_states );
for ( $i=0; $i<$icount; $i++ ) {
foreach ( array_keys($dea0->delta_states[ $i ]) as $symbol ) {
$tmpHTML .= "(". $i.")";
$tmpHTML .= "__x__(\"". $symbol."\") ";
$tmpHTML .= "::= (".$dea0->delta_states[$i][$symbol].")<br>\n";
}
}
$tmpHTML .= "<br>\n";
$tmpHTML .= "<br><br><form action='".$PHPSELF."' method='post'>";
$tmpHTML .= "<input type='text' name='word' value='ababb'><br>";
$tmpHTML .= "<input type='submit' name='submit' value='send word 2 dea'>";
$tmpHTML .= "</form>";
$tmpHTML .= "<br><br> </td></tr>\n";
$tmpHTML .= "<tr><td colspan='2'><br><p>..if U have suggestions or sth. to say...";
$tmpHTML .= "<br>give me a comment!";
$tmpHTML .= "<br>you're welcome!<br>";
$tmpHTML .= "<br>[halyc0ndaze_at_gmx_dot_net]</p><br> ";
$tmpHTML .= "</td></tr>";
$tmpHTML .= "</table></div>\n";
echo $tmpHTML;
_footer();
?>
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