/**
* Set the cite attribute's value.
*
* @param string $cite
* @throws \InvalidArgumentException If $cite is not a valid URI.
*/
public function setCite($cite)
{
if (Format::isUri($cite) === true) {
} else {
$msg = "The 'cite' argument must be a valid URI, '" . $cite . "' given.";
throw new InvalidArgumentException($msg);
}
}
/**
* @see \qtism\data\content\Flow::setXmlBase()
*/
public function setXmlBase($xmlBase = '')
{
if (is_string($xmlBase) && (empty($xmlBase) || Format::isUri($xmlBase))) {
$this->xmlBase = $xmlBase;
} else {
$msg = "The 'xmlBase' argument must be an empty string or a valid URI, '" . $xmlBase . "' given";
throw new InvalidArgumentException($msg);
}
}
/**
* Set the href attribute.
*
* @param string $href A URI (Uniform Resource Identifier).
* @throws InvalidArgumentException If $href is not a URI.
*/
public function setHref($href)
{
if (Format::isUri($href) === true) {
$this->href = $href;
} else {
$msg = "The 'href' argument must be a URI, '" . $href . "' given.";
throw new InvalidArgumentException($msg);
}
}
/**
* Set the optional response processing template location. An empty string ('') indicates
* there is no template location description.
*
* @param string $templateLocaton The URI of the template location.
* @throws \InvalidArgumentException If $templateLocation is not a valid URI nor an empty string.
*/
public function setTemplateLocation($templateLocation)
{
if (Format::isUri($templateLocation) === true || gettype($templateLocation) === 'string' && empty($templateLocation) === true) {
$this->templateLocation = $templateLocation;
} else {
$msg = "The given templateLocation '{$templateLocation}' is not a valid URI.";
throw new InvalidArgumentException($msg);
}
}
/**
* Get the hyper-text reference to the actual content of the TestFeedback.
*
* @param string $href
*/
public function setHref($href)
{
if (Format::isUri($href) === true) {
$this->href = $href;
} else {
$msg = "'{$href}' is not a valid URI.";
throw new InvalidArgumentException($msg);
}
}
/**
* @dataProvider validUriFormatProvider
*/
public function testValidUriFormat($string)
{
$this->assertTrue(Format::isUri($string));
}
/**
* Transform a string representing a QTI valueType value in a
* the correct datatype.
*
* @param string $string The QTI valueType value as a string.
* @param integer $baseType The QTI baseType that defines the datatype of $string.
* @return mixed A converted object/primitive type.
* @throws \InvalidArgumentException If $baseType is not a value from the BaseType enumeration.
* @throws \UnexpectedValueException If $string cannot be transformed in a Value expression with the given $baseType.
*/
public static function stringToDatatype($string, $baseType)
{
if (in_array($baseType, BaseType::asArray())) {
$value = null;
switch ($baseType) {
case BaseType::BOOLEAN:
if (Format::isBoolean($string)) {
$value = Format::toLowerTrim($string) == 'true' ? true : false;
return $value;
} else {
$msg = "'{$string}' cannot be transformed into boolean.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::INTEGER:
if (Format::isInteger($string)) {
$value = intval($string);
return $value;
} else {
$msg = "'{$string}' cannot be transformed into integer.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::FLOAT:
if (Format::isFloat($string)) {
$value = floatval($string);
return $value;
} else {
$msg = "'{$string}' cannot be transformed into float.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::URI:
if (Format::isUri($string)) {
return $string;
} else {
$msg = "'{$string}' is not a valid URI.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::IDENTIFIER:
if (Format::isIdentifier($string)) {
return $string;
} else {
$msg = "'{$string}' is not a valid QTI Identifier.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::INT_OR_IDENTIFIER:
if (Format::isIdentifier($string)) {
return $string;
} elseif (Format::isInteger($string)) {
return intval($string);
} else {
$msg = "'{$string}' is not a valid QTI Identifier nor a valid integer.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::PAIR:
if (Format::isPair($string)) {
$pair = explode(" ", $string);
return new Pair($pair[0], $pair[1]);
} else {
$msg = "'{$string}' is not a valid pair.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::DIRECTED_PAIR:
if (Format::isDirectedPair($string)) {
$pair = explode(" ", $string);
return new DirectedPair($pair[0], $pair[1]);
} else {
$msg = "'{$string}' is not a valid directed pair.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::DURATION:
if (Format::isDuration($string)) {
return new Duration($string);
} else {
$msg = "'{$string}' is not a valid duration.";
throw new UnexpectedValueException($msg);
}
break;
case BaseType::FILE:
throw new \RuntimeException("Unsupported baseType: file.");
break;
case BaseType::STRING:
return '' . $string;
break;
case BaseType::POINT:
if (Format::isPoint($string)) {
$parts = explode(" ", $string);
return new Point(intval($parts[0]), intval($parts[1]));
} else {
$msg = "'{$string}' is not valid point.";
throw new UnexpectedValueException($msg);
}
break;
default:
throw new \RuntimeException("Unknown baseType.");
break;
}
} else {
$msg = "BaseType must be a value from the BaseType enumeration.";
throw new InvalidArgumentException($msg);
}
}
/**
* Get the longdesc attribute.
*
* @param string $longdesc A valid URI.
* @throws InvalidArgumentException If $longdesc is not a valid URI.
*/
public function setLongdesc($longdesc)
{
if (Format::isUri($longdesc) === true || is_string($longdesc) === true && empty($longdesc) === true) {
$this->longdesc = $longdesc;
} else {
$msg = "The 'longdesc' argument must be a valid URI, '" . $longdesc . "' given.";
throw new InvalidArgumentException($msg);
}
}
