Asserts that the literal is the expected type
| public static assertType ( $literal, string $type ) | ||
| $type | string | expected type |
/**
* Inspects the type of the argument, returning it as an unquoted string.
* @param SassLiteral The object to inspect
* @return new SassString The type of object
* @throws SassScriptFunctionException If $obj is not an instance of a
* SassLiteral
*/
public static function type_of($obj)
{
SassLiteral::assertType($obj, SassLiteral);
return new SassString($obj->typeOf);
}
public static function grad_position($colourList, $index, $default, $radial = null)
{
SassLiteral::assertType($colourList, 'CompassList');
if (is_null($radial)) {
$radial = new SassBoolean(false);
} else {
SassLiteral::assertType($radial, 'SassBoolean');
}
$stop = $colourList->values[$index->value - 1]->stop;
if ($stop && $radial->value) {
$orig_stop = $stop;
if ($stop->isUnitless()) {
if ($stop->value <= 1) {
# A unitless number is assumed to be a percentage when it's between 0 and 1
$stop = $stop->op_times(new SassNumber('100%'));
} else {
# Otherwise, a unitless number is assumed to be in pixels
$stop = $stop->op_times(new SassNumber('1px'));
}
}
if ($stop->numeratorUnits === '%' && isset($colourList->values[sizeof($colourList->values) - 1]->stop) && $colourList->values[sizeof($colourList->values) - 1]->stop->numeratorUnits === 'px') {
$stop = $stop->op_times($colourList->values[sizeof($colourList->values) - 1]->stop)->op_div(new SassNumber('100%'));
}
//Compass::Logger.new.record(:warning, "Webkit only supports pixels for the start and end stops for radial gradients. Got: #{orig_stop}") if stop.numerator_units != ["px"];
return $stop->op_div(new SassNumber('1' . $stop->units));
} elseif ($stop) {
return $stop;
} else {
return $default;
}
}
