public static function createNew(TIVarType $type = null, $name = '', TIModel $version = null)
{
if ($type !== null) {
if ($name === '') {
$name = 'FILE' . (count($type->getExts()) > 0 ? $type->getExts()[0] : '');
}
$newName = preg_replace('/[^a-zA-Z0-9]/', '', $name);
if ($newName !== $name || strlen($newName) > 8 || $newName === '' || is_numeric($newName[0])) {
throw new \Exception("Invalid name given. 8 chars (A-Z, 0-9) max, starting by a letter");
}
$name = strtoupper(substr($name, 0, 8));
$instance = new self();
$instance->type = $type;
$instance->calcModel = $version !== null ? $version : TIModel::createFromName('84+');
// default
if (!$instance->calcModel->supportsType($instance->type)) {
throw new \Exception('This calculator model (' . $instance->calcModel->getName() . ') does not support the type ' . $instance->type->getName());
}
$instance->header = ['signature' => $instance->calcModel->getSig(), 'sig_extra' => [0x1a, 0xa, 0x0], 'comment' => str_pad("Created by tivars_lib on " . date("M j, Y"), 42, ""), 'entries_len' => 0];
$calcFlags = $instance->calcModel->getFlags();
$instance->varEntry = ['constBytes' => [0xd, 0x0], 'data_length' => 0, 'typeID' => $type->getId(), 'varname' => str_pad($name, 8, ""), 'version' => $calcFlags >= TIFeatureFlags::hasFlash ? 0 : null, 'archivedFlag' => $calcFlags >= TIFeatureFlags::hasFlash ? 0 : null, 'data_length2' => 0, 'data' => []];
return $instance;
} else {
throw new \Exception("No type given");
}
}
private function fixVarName($name = '')
{
if ($name === '') {
$name = 'FILE' . (count($this->type->getExts()) > 0 ? $this->type->getExts()[0] : '');
}
$newName = preg_replace('/[^a-zA-Z0-9]/', '', $name);
if ($newName !== $name || strlen($newName) > 8 || $newName === '' || is_numeric($newName[0])) {
throw new \InvalidArgumentException('Invalid name given. 8 chars (A-Z, 0-9) max, starting by a letter');
}
$name = strtoupper(substr($name, 0, 8));
return $name;
}
public function supportsType(TIVarType $type)
{
$exts = $type->getExts();
return isset($exts[$this->orderID]) && $exts[$this->orderID] !== null;
}
