"; print_r ($question);
                        $questions[] = $question;    // store it
                        unset($question);            // and prepare a new one
                        $question = $this->defaultquestion();
                    }
                }
                $nQuestionStartLine = $nLineCounter;
            }

            // Processing Question Header

            if (preg_match("~^:TYPE:MC:1(.*)~i",$line,$webct_options)) {
                // Multiple Choice Question with only one good answer
                $question = $this->defaultquestion();
                $question->feedback = array();
                $question->qtype = MULTICHOICE;
                $question->single = 1;        // Only one answer is allowed
                $ignore_rest_of_question = FALSE;
                continue;
            }

            if (preg_match("~^:TYPE:MC:N(.*)~i",$line,$webct_options)) {
                // Multiple Choice Question with several good answers
                $question = $this->defaultquestion();
                $question->feedback = array();
                $question->qtype = MULTICHOICE;
                $question->single = 0;        // Many answers allowed
                $ignore_rest_of_question = FALSE;
                continue;
            }

            if (preg_match("~^:TYPE:S~i",$line)) {
                // Short Answer Question
                $question = $this->defaultquestion();
                $question->feedback = array();
                $question->qtype = SHORTANSWER;
                $question->usecase = 0;       // Ignore case
                $ignore_rest_of_question = FALSE;
                continue;
            }

            if (preg_match("~^:TYPE:C~i",$line)) {
                // Calculated Question
           /*     $warnings[] = get_string("calculatedquestion", "quiz", $nLineCounter);
                unset($question);
                $ignore_rest_of_question = TRUE;         // Question Type not handled by Moodle
             */
                $question = $this->defaultquestion();
                $question->qtype = CALCULATED;
                $question->answers = array(); // No problem as they go as :FORMULA: from webct
                $question->units = array();
                $question->dataset = array();

                // To make us pass the end-of-question sanity checks
                $question->answer = array('dummy');
                $question->fraction = array('1.0');
                $question->feedback = array();

                $currentchoice = -1;
                $ignore_rest_of_question = FALSE;
                continue;
            }

            if (preg_match("~^:TYPE:M~i",$line)) {
                // Match Question
                $question = $this->defaultquestion();
                $question->qtype = MATCH;
                $question->feedback = array();
                $ignore_rest_of_question = FALSE;         // match question processing is not debugged
                continue;
            }

            if (preg_match("~^:TYPE:P~i",$line)) {
                // Paragraph Question
                $warnings[] = get_string("paragraphquestion", "quiz", $nLineCounter);
                unset($question);
                $ignore_rest_of_question = TRUE;         // Question Type not handled by Moodle
                continue;
            }

            if (preg_match("~^:TYPE:~i",$line)) {
                // Unknow Question
                $warnings[] = get_string("unknowntype", "quiz", $nLineCounter);
                unset($question);
                $ignore_rest_of_question = TRUE;         // Question Type not handled by Moodle
                continue;
            }

            if ($ignore_rest_of_question) {
                continue;
            }

            if (preg_match("~^:TITLE:(.*)~i",$line,$webct_options)) {
                $name = trim($webct_options[1]);
                if (strlen($name) > 255) {
                    $name = substr($name,0,250)."...";
                    $warnings[] = get_string("questionnametoolong", "quiz", $nLineCounter);
                }
                $question->name = $name;
                continue;
            }

            if (preg_match("~^:IMAGE:(.*)~i",$line,$webct_options)) {
                $filename = trim($webct_options[1]);
                if (preg_match("~^http://~i",$filename)) {
                    $question->image = $filename;
                }
                continue;
            }

            // Need to put the parsing of calculated items here to avoid ambitiuosness:
            // if question isn't defined yet there is nothing to do here (avoid notices)
            if (!isset($question)) {
                continue;
            }
            if (isset($question->qtype ) && CALCULATED == $question->qtype && preg_match(
                    "~^:([[:lower:]].*|::.*)-(MIN|MAX|DEC|VAL([0-9]+))::?:?($webctnumberregex)~", $line, $webct_options)) {
                $datasetname = preg_replace('/^::/', '', $webct_options[1]);
                $datasetvalue = qformat_webct_convert_formula($webct_options[4]);
                switch ($webct_options[2]) {
                    case 'MIN':
                        $question->dataset[$datasetname]->min = $datasetvalue;
                        break;
                    case 'MAX':
                        $question->dataset[$datasetname]->max = $datasetvalue;
                        break;
                    case 'DEC':
                        $datasetvalue = floor($datasetvalue); // int only!
                        $question->dataset[$datasetname]->length = max(0, $datasetvalue);
                        break;
                    default:
                        // The VAL case:
                        $question->dataset[$datasetname]->datasetitem[$webct_options[3]] = new stdClass();
                        $question->dataset[$datasetname]->datasetitem[$webct_options[3]]->itemnumber = $webct_options[3];
                        $question->dataset[$datasetname]->datasetitem[$webct_options[3]]->value  = $datasetvalue;
                        break;
                }
                continue;
            }


            $bIsHTMLText = preg_match("~:H$~i",$line);  // True if next lines are coded in HTML
            if (preg_match("~^:QUESTION~i",$line)) {
                $questiontext="";               // Start gathering next lines
                continue;
            }

            if (preg_match("~^:ANSWER([0-9]+):([^:]+):([0-9\.\-]+):(.*)~i",$line,$webct_options)) {      /// SHORTANSWER
                $currentchoice=$webct_options[1];
                $answertext=$webct_options[2];            // Start gathering next lines
                $question->fraction[$currentchoice]=($webct_options[3]/100);
                continue;
            }

            if (preg_match("~^:ANSWER([0-9]+):([0-9\.\-]+)~i",$line,$webct_options)) {
                $answertext="";                 // Start gathering next lines
                $currentchoice=$webct_options[1];
                $question->fraction[$currentchoice]=($webct_options[2]/100);
                continue;
            }

            if (preg_match('~^:FORMULA:(.*)~i', $line, $webct_options)) {
                // Answer for a CALCULATED question
                ++$currentchoice;
                $question->answers[$currentchoice] =
                        qformat_webct_convert_formula($webct_options[1]);

                // Default settings:
                $question->fraction[$currentchoice] = 1.0;
                $question->tolerance[$currentchoice] = 0.0;
                $question->tolerancetype[$currentchoice] = 2; // nominal (units in webct)
                $question->feedback[$currentchoice] = '';
                $question->correctanswerlength[$currentchoice] = 4;

                $datasetnames = $QTYPES[CALCULATED]->find_dataset_names($webct_options[1]);
                foreach ($datasetnames as $datasetname) {
                    $question->dataset[$datasetname] = new stdClass();
                    $question->dataset[$datasetname]->datasetitem = array();
                    $question->dataset[$datasetname]->name = $datasetname ;
                    $question->dataset[$datasetname]->distribution = 'uniform';
                    $question->dataset[$datasetname]->status ='private';
                }
                continue;
            }

            if (preg_match("~^:L([0-9]+)~i",$line,$webct_options)) {
                $answertext="";                 // Start gathering next lines
                $currentchoice=$webct_options[1];
                $question->fraction[$currentchoice]=1;
                continue;
            }

            if (preg_match("~^:R([0-9]+)~i",$line,$webct_options)) {
                $responsetext="";                // Start gathering next lines
                $currentchoice=$webct_options[1];
                continue;
            }

            if (preg_match("~^:REASON([0-9]+):?~i",$line,$webct_options)) {
                $feedbacktext="";               // Start gathering next lines
                $currentchoice=$webct_options[1];
                continue;
            }
            if (preg_match("~^:FEEDBACK([0-9]+):?~i",$line,$webct_options)) {
                $generalfeedbacktext="";               // Start gathering next lines
                $currentchoice=$webct_options[1];
                continue;
            }
            if (preg_match('~^:FEEDBACK:(.*)~i',$line,$webct_options)) {
                $generalfeedbacktext="";               // Start gathering next lines
                continue;
            }
            if (preg_match('~^:LAYOUT:(.*)~i',$line,$webct_options)) {
            //    ignore  since layout in question_multichoice  is no more used in moodle
            //    $webct_options[1] contains either vertical or horizontal ;
                continue;
            }

            if (isset($question->qtype ) && CALCULATED == $question->qtype && preg_match('~^:ANS-DEC:([1-9][0-9]*)~i', $line, $webct_options)) {
                // We can but hope that this always appear before the ANSTYPE property
                $question->correctanswerlength[$currentchoice] = $webct_options[1];
                continue;
            }

            if (isset($question->qtype )&& CALCULATED == $question->qtype && preg_match("~^:TOL:($webctnumberregex)~i", $line, $webct_options)) {
                // We can but hope that this always appear before the TOL property
                $question->tolerance[$currentchoice] =
                        qformat_webct_convert_formula($webct_options[1]);
                continue;
            }

            if (isset($question->qtype )&& CALCULATED == $question->qtype && preg_match('~^:TOLTYPE:percent~i', $line)) {
                // Percentage case is handled as relative in Moodle:
                $question->tolerance[$currentchoice]  /= 100;
                $question->tolerancetype[$currentchoice] = 1; // Relative
                continue;
            }

            if (preg_match('~^:UNITS:(.+)~i', $line, $webct_options)
                    and $webctunits = trim($webct_options[1])) {
                // This is a guess - I really do not know how different webct units are separated...
                $webctunits = explode(':', $webctunits);
                $unitrec->multiplier = 1.0; // Webct does not seem to support this
                foreach ($webctunits as $webctunit) {
                    $unitrec->unit = trim($webctunit);
                    $question->units[] = $unitrec;
                }
                continue;
            }

            if (!empty($question->units) && preg_match('~^:UNITREQ:(.*)~i', $line, $webct_options)
                    && !$webct_options[1]) {
                // There are units but units are not required so add the no unit alternative
                // We can but hope that the UNITS property always appear before this property
                $unitrec->unit = '';
                $unitrec->multiplier = 1.0;
                $question->units[] = $unitrec;
                continue;
            }

            if (!empty($question->units) && preg_match('~^:UNITCASE:~i', $line)) {
                // This could be important but I was not able to figure out how
                // it works so I ignore it for now
                continue;
            }

            if (isset($question->qtype )&& CALCULATED == $question->qtype && preg_match('~^:ANSTYPE:dec~i', $line)) {
                $question->correctanswerformat[$currentchoice]='1';
                continue;
            }
            if (isset($question->qtype )&& CALCULATED == $question->qtype && preg_match('~^:ANSTYPE:sig~i', $line)) {
                $question->correctanswerformat[$currentchoice]='2';
                continue;
            }
        }

        if (sizeof($errors) > 0) {
            echo "
".get_string("errorsdetected", "quiz", sizeof($errors))."
";
            foreach($errors as $error) {
                echo "
$error
";
            }
            echo "
";
            unset($questions);     // no questions imported
        }

        if (sizeof($warnings) > 0) {
            echo "
".get_string("warningsdetected", "quiz", sizeof($warnings))."
";
            foreach($warnings as $warning) {
                echo "
$warning
";
            }
            echo "
";
        }
        return $questions;
    }
}

?>