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took out call by reference in an addslashes to fix warning reported at http://moodle.org/mod/forum/discuss.php?d=23288#110511.

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gustav_delius
2005-05-09 05:47:21 +00:00
parent 90c7675076
commit 2b4d7d1495
1 changed files with 303 additions and 303 deletions
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mod/quiz/format/hotpot/format.php
+303 -303
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@@ -1,303 +1,303 @@
<?PHP // $Id$
////////////////////////////////////////////////////////////////////////////
/// Hotpotatoes 6.0 Format
///
/// This Moodle class provides all functions necessary to import (and export)
///
///
////////////////////////////////////////////////////////////////////////////
// Based on default.php, included by ../import.php
require_once ("$CFG->libdir/xmlize.php");
class quiz_format_hotpot extends quiz_default_format {
function provide_import() {
return true;
}
function readquestions ($lines) {
/// Parses an array of lines into an array of questions,
/// where each item is a question object as defined by
/// readquestion().
// parse the xml source
$source = implode($lines, " ");
$xml = xmlize($source);
// determine the quiz type
$quiztype = '';
$keys = array_keys($xml);
foreach ($keys as $key) {
if (preg_match('/(hotpot|textoys)-(\w+)-file/i', $key, $matches)) {
$quiztype = strtolower($matches[2]);
$xml = $xml[$matches[0]];
break;
}
}
$questions = array();
switch ($quiztype) {
case 'jcloze':
process_jcloze($xml, $questions);
break;
case 'jcross':
process_jcross($xml, $questions);
break;
case 'jmatch':
process_jmatch($xml, $questions);
break;
case 'jmix':
process_jmix($xml, $questions);
break;
case 'jquiz':
process_jquiz($xml, $questions);
break;
default:
notice("Unknown quiz type '$quiztype'");
break;
} // end switch
return $questions;
}
} // end class
function process_jcloze(&$xml, &$questions) {
$x = 0;
while ($exercise = &$xml['#']['data'][0]['#']['gap-fill'][$x]['#']) {
// there is usually only one exercise in a file
$question = NULL;
$question->qtype = MULTIANSWER;
$question->defaultgrade = 1;
$question->usecase = 0; // Ignore case
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $x);
$question->questiontext = get_hotpotatoes_reading($xml);
$q = 0;
$question->answers = array();
while ($question_record = &$exercise['question-record'][$q]['#']) {
if (isset($exercise[$q])) {
$question->questiontext .= addslashes($exercise[$q]);
}
$question->questiontext .= '{#'.($q+1).'}';
$question->answers[$q]->positionkey = ($q+1);
$question->answers[$q]->answertype = SHORTANSWER;
$question->answers[$q]->norm = 1;
$a = 0;
$question->answers[$q]->alternatives = array();
while ($answer = &$question_record['answer'][$a]['#']) {
$question->answers[$q]->alternatives[$a]->answer = addslashes($answer['text'][0]['#']);
$question->answers[$q]->alternatives[$a]->fraction = $answer['correct'][0]['#'] ? 1 : 0;
$question->answers[$q]->alternatives[$a]->feedback = addslashes($answer['feedback'][0]['#']);
$a++;
}
$q++;
}
if (isset($exercise[$q])) {
$question->questiontext .= addslashes($exercise[$q]);
}
$questions[] = $question;
$x++;
}
}
function process_jcross(&$xml, &$questions) {
$x = 0;
while ($item = &$xml['#']['data'][0]['#']['crossword'][0]['#']['clues'][0]['#']['item'][$x]['#']) {
$text = $item['def'][0]['#'];
$answer = $item['word'][0]['#'];
if ($text && $answer) {
$question = NULL;
$question->qtype = SHORTANSWER;
$question->usecase = 0; // Ignore case
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $x, true);
$question->questiontext = addslashes($text);
$question->answer = array(addslashes($answer));
$question->fraction = array(1);
$question->feedback = array('');
$questions[] = $question;
}
$x++;
}
}
function process_jmatch(&$xml, &$questions) {
$x = 0;
while ($exercise = &$xml['#']['data'][0]['#']['matching-exercise'][$x]['#']) {
// there is usually only one exercise in a file
$question = NULL;
$question->qtype = MATCH;
$question->defaultgrade = 1;
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $x);
$question->questiontext = get_hotpotatoes_reading($xml);
$question->questiontext .= get_hotpotatoes_instructions($xml, 'jmatch');
$question->subquestions = array();
$question->subanswers = array();
$p = 0;
while ($pair = &$exercise['pair'][$p]['#']) {
$question->subquestions[$p] = addslashes($pair['left-item'][0]['#']['text'][0]['#']);
$question->subanswers[$p] = addslashes($pair['right-item'][0]['#']['text'][0]['#']);
$p++;
}
$questions[] = $question;
$x++;
}
}
function process_jmix(&$xml, &$questions) {
$x = 0;
while ($exercise = &$xml['#']['data'][0]['#']['jumbled-order-exercise'][$x]['#']) {
// there is usually only one exercise in a file
$question = NULL;
$question->qtype = SHORTANSWER;
$question->usecase = 0; // Ignore case
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $x);
$question->answer = array();
$question->fraction = array();
$question->feedback = array();
$i = 0;
$segments = array();
while ($segment = &$exercise['main-order'][0]['#']['segment'][$i]['#']) {
$segments[] = addslashes($segment);
$i++;
}
$answer = implode(' ', $segments);
seed_hotpotatoes_RNG();
shuffle($segments);
$question->questiontext = get_hotpotatoes_reading($xml);
$question->questiontext .= get_hotpotatoes_instructions($xml, 'jmix');
$question->questiontext .= ' &nbsp; <NOBR><B>[ &nbsp; '.implode(' &nbsp; ', $segments).' &nbsp; ]</B></NOBR>';
$a = 0;
while (!empty($answer)) {
$question->answer[$a] = $answer;
$question->fraction[$a] = 1;
$question->feedback[$a] = '';
$answer = addslashes(&$exercise['alternate'][$a++]['#']);
}
$questions[] = $question;
$x++;
}
}
function process_jquiz(&$xml, &$questions) {
$x = 0;
while ($exercise = &$xml['#']['data'][0]['#']['questions'][$x]['#']) {
// there is usually only one 'questions' object in a single exercise
$q = 0;
while ($question_record = &$exercise['question-record'][$q]['#']) {
$question = NULL;
$question->defaultgrade = 1;
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $q, true);
$question->questiontext = addslashes($question_record['question'][0]['#']);
$type = $question_record['question-type'][0]['#'];
// 1 : multiple choice
// 2 : short-answer
// 3 : hybrid
// 4 : multiple select
$question->qtype = ($type==2 ? SHORTANSWER : MULTICHOICE);
$question->single = ($type==4 ? 0 : 1);
// workaround required to calculate scores for multiple select answers
$no_of_correct_answers = 0;
if ($type==4) {
$a = 0;
while ($answer = &$question_record['answers'][0]['#']['answer'][$a]['#']) {
if (!empty($answer['correct'][0]['#'])) {
$no_of_correct_answers++;
}
$a++;
}
}
$a = 0;
$question->answer = array();
$question->fraction = array();
$question->feedback = array();
while ($answer = &$question_record['answers'][0]['#']['answer'][$a]['#']) {
if (empty($answer['correct'][0]['#'])) {
$fraction = 0;
} else if ($type==4) { // multiple select
// strange behavior if the $fraction isn't exact to 5 decimal places
$fraction = round(1/$no_of_correct_answers, 5);
} else {
$fraction = $answer['percent-correct'][0]['#']/100;
}
$question->feedback[] = addslashes($answer['feedback'][0]['#']);
$question->fraction[] = $fraction;
$question->answer[] = addslashes($answer['text'][0]['#']);
$a++;
}
$questions[] = $question;
$q++;
}
$x++;
}
}
function seed_hotpotatoes_RNG() {
static $seeded_hotpotatoes_RNG = FALSE;
if (!$seeded_hotpotatoes_RNG) {
srand((double) microtime() * 1000000);
$seeded_hotpotatoes_RNG = TRUE;
}
}
function get_hotpotatoes_title(&$xml, $x, $flag=false) {
$title = $xml['#']['data'][0]['#']['title'][0]['#'];
if ($x || $flag) {
$title .= ' ('.($x+1).')';
}
return addslashes($title);
}
function get_hotpotatoes_instructions(&$xml, $quiztype) {
$text = $xml['#']['hotpot-config-file'][0]['#'][$quiztype][0]['#']['instructions'][0]['#'];
if (empty($text)) {
$text = "Hot Potatoes $quiztype";
}
return addslashes($text);
}
function get_hotpotatoes_reading(&$xml) {
$str = '';
$obj = &$xml['#']['data'][0]['#']['reading'][0]['#'];
if ($obj['include-reading'][0]['#']) {
if ($title = $obj['reading-title'][0]['#']) {
$str .= "<H3>$title</H3>";
}
if ($text = $obj['reading-text'][0]['#']) {
$str .= "<P>$text</P>";
}
}
return addslashes($str);
}
?>
<?PHP // $Id$
////////////////////////////////////////////////////////////////////////////
/// Hotpotatoes 6.0 Format
///
/// This Moodle class provides all functions necessary to import (and export)
///
///
////////////////////////////////////////////////////////////////////////////
// Based on default.php, included by ../import.php
require_once ("$CFG->libdir/xmlize.php");
class quiz_format_hotpot extends quiz_default_format {
function provide_import() {
return true;
}
function readquestions ($lines) {
/// Parses an array of lines into an array of questions,
/// where each item is a question object as defined by
/// readquestion().
// parse the xml source
$source = implode($lines, " ");
$xml = xmlize($source);
// determine the quiz type
$quiztype = '';
$keys = array_keys($xml);
foreach ($keys as $key) {
if (preg_match('/(hotpot|textoys)-(\w+)-file/i', $key, $matches)) {
$quiztype = strtolower($matches[2]);
$xml = $xml[$matches[0]];
break;
}
}
$questions = array();
switch ($quiztype) {
case 'jcloze':
process_jcloze($xml, $questions);
break;
case 'jcross':
process_jcross($xml, $questions);
break;
case 'jmatch':
process_jmatch($xml, $questions);
break;
case 'jmix':
process_jmix($xml, $questions);
break;
case 'jquiz':
process_jquiz($xml, $questions);
break;
default:
notice("Unknown quiz type '$quiztype'");
break;
} // end switch
return $questions;
}
} // end class
function process_jcloze(&$xml, &$questions) {
$x = 0;
while ($exercise = &$xml['#']['data'][0]['#']['gap-fill'][$x]['#']) {
// there is usually only one exercise in a file
$question = NULL;
$question->qtype = MULTIANSWER;
$question->defaultgrade = 1;
$question->usecase = 0; // Ignore case
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $x);
$question->questiontext = get_hotpotatoes_reading($xml);
$q = 0;
$question->answers = array();
while ($question_record = &$exercise['question-record'][$q]['#']) {
if (isset($exercise[$q])) {
$question->questiontext .= addslashes($exercise[$q]);
}
$question->questiontext .= '{#'.($q+1).'}';
$question->answers[$q]->positionkey = ($q+1);
$question->answers[$q]->answertype = SHORTANSWER;
$question->answers[$q]->norm = 1;
$a = 0;
$question->answers[$q]->alternatives = array();
while ($answer = &$question_record['answer'][$a]['#']) {
$question->answers[$q]->alternatives[$a]->answer = addslashes($answer['text'][0]['#']);
$question->answers[$q]->alternatives[$a]->fraction = $answer['correct'][0]['#'] ? 1 : 0;
$question->answers[$q]->alternatives[$a]->feedback = addslashes($answer['feedback'][0]['#']);
$a++;
}
$q++;
}
if (isset($exercise[$q])) {
$question->questiontext .= addslashes($exercise[$q]);
}
$questions[] = $question;
$x++;
}
}
function process_jcross(&$xml, &$questions) {
$x = 0;
while ($item = &$xml['#']['data'][0]['#']['crossword'][0]['#']['clues'][0]['#']['item'][$x]['#']) {
$text = $item['def'][0]['#'];
$answer = $item['word'][0]['#'];
if ($text && $answer) {
$question = NULL;
$question->qtype = SHORTANSWER;
$question->usecase = 0; // Ignore case
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $x, true);
$question->questiontext = addslashes($text);
$question->answer = array(addslashes($answer));
$question->fraction = array(1);
$question->feedback = array('');
$questions[] = $question;
}
$x++;
}
}
function process_jmatch(&$xml, &$questions) {
$x = 0;
while ($exercise = &$xml['#']['data'][0]['#']['matching-exercise'][$x]['#']) {
// there is usually only one exercise in a file
$question = NULL;
$question->qtype = MATCH;
$question->defaultgrade = 1;
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $x);
$question->questiontext = get_hotpotatoes_reading($xml);
$question->questiontext .= get_hotpotatoes_instructions($xml, 'jmatch');
$question->subquestions = array();
$question->subanswers = array();
$p = 0;
while ($pair = &$exercise['pair'][$p]['#']) {
$question->subquestions[$p] = addslashes($pair['left-item'][0]['#']['text'][0]['#']);
$question->subanswers[$p] = addslashes($pair['right-item'][0]['#']['text'][0]['#']);
$p++;
}
$questions[] = $question;
$x++;
}
}
function process_jmix(&$xml, &$questions) {
$x = 0;
while ($exercise = &$xml['#']['data'][0]['#']['jumbled-order-exercise'][$x]['#']) {
// there is usually only one exercise in a file
$question = NULL;
$question->qtype = SHORTANSWER;
$question->usecase = 0; // Ignore case
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $x);
$question->answer = array();
$question->fraction = array();
$question->feedback = array();
$i = 0;
$segments = array();
while ($segment = &$exercise['main-order'][0]['#']['segment'][$i]['#']) {
$segments[] = addslashes($segment);
$i++;
}
$answer = implode(' ', $segments);
seed_hotpotatoes_RNG();
shuffle($segments);
$question->questiontext = get_hotpotatoes_reading($xml);
$question->questiontext .= get_hotpotatoes_instructions($xml, 'jmix');
$question->questiontext .= ' &nbsp; <NOBR><B>[ &nbsp; '.implode(' &nbsp; ', $segments).' &nbsp; ]</B></NOBR>';
$a = 0;
while (!empty($answer)) {
$question->answer[$a] = $answer;
$question->fraction[$a] = 1;
$question->feedback[$a] = '';
$answer = addslashes($exercise['alternate'][$a++]['#']);
}
$questions[] = $question;
$x++;
}
}
function process_jquiz(&$xml, &$questions) {
$x = 0;
while ($exercise = &$xml['#']['data'][0]['#']['questions'][$x]['#']) {
// there is usually only one 'questions' object in a single exercise
$q = 0;
while ($question_record = &$exercise['question-record'][$q]['#']) {
$question = NULL;
$question->defaultgrade = 1;
$question->image = ""; // No images with this format
$question->name = get_hotpotatoes_title($xml, $q, true);
$question->questiontext = addslashes($question_record['question'][0]['#']);
$type = $question_record['question-type'][0]['#'];
// 1 : multiple choice
// 2 : short-answer
// 3 : hybrid
// 4 : multiple select
$question->qtype = ($type==2 ? SHORTANSWER : MULTICHOICE);
$question->single = ($type==4 ? 0 : 1);
// workaround required to calculate scores for multiple select answers
$no_of_correct_answers = 0;
if ($type==4) {
$a = 0;
while ($answer = &$question_record['answers'][0]['#']['answer'][$a]['#']) {
if (!empty($answer['correct'][0]['#'])) {
$no_of_correct_answers++;
}
$a++;
}
}
$a = 0;
$question->answer = array();
$question->fraction = array();
$question->feedback = array();
while ($answer = &$question_record['answers'][0]['#']['answer'][$a]['#']) {
if (empty($answer['correct'][0]['#'])) {
$fraction = 0;
} else if ($type==4) { // multiple select
// strange behavior if the $fraction isn't exact to 5 decimal places
$fraction = round(1/$no_of_correct_answers, 5);
} else {
$fraction = $answer['percent-correct'][0]['#']/100;
}
$question->feedback[] = addslashes($answer['feedback'][0]['#']);
$question->fraction[] = $fraction;
$question->answer[] = addslashes($answer['text'][0]['#']);
$a++;
}
$questions[] = $question;
$q++;
}
$x++;
}
}
function seed_hotpotatoes_RNG() {
static $seeded_hotpotatoes_RNG = FALSE;
if (!$seeded_hotpotatoes_RNG) {
srand((double) microtime() * 1000000);
$seeded_hotpotatoes_RNG = TRUE;
}
}
function get_hotpotatoes_title(&$xml, $x, $flag=false) {
$title = $xml['#']['data'][0]['#']['title'][0]['#'];
if ($x || $flag) {
$title .= ' ('.($x+1).')';
}
return addslashes($title);
}
function get_hotpotatoes_instructions(&$xml, $quiztype) {
$text = $xml['#']['hotpot-config-file'][0]['#'][$quiztype][0]['#']['instructions'][0]['#'];
if (empty($text)) {
$text = "Hot Potatoes $quiztype";
}
return addslashes($text);
}
function get_hotpotatoes_reading(&$xml) {
$str = '';
$obj = &$xml['#']['data'][0]['#']['reading'][0]['#'];
if ($obj['include-reading'][0]['#']) {
if ($title = $obj['reading-title'][0]['#']) {
$str .= "<H3>$title</H3>";
}
if ($text = $obj['reading-text'][0]['#']) {
$str .= "<P>$text</P>";
}
}
return addslashes($str);
}
?>