/**
* Internal constructor, called from loadFromFile and createNew.
* @param string $filePath
* @throws \Exception
*/
protected function __construct($filePath = '')
{
if ($filePath !== '') {
$this->isFromFile = true;
parent::__construct($filePath);
if ($this->fileSize < 76) {
throw new \Exception("This file is not a valid TI-[e]z80 variable file");
}
$this->makeHeaderFromFile();
$this->makeVarEntryFromFile();
$this->computedChecksum = $this->computeChecksumFromFileData();
$this->inFileChecksum = $this->getChecksumValueFromFile();
$this->type = TIVarType::createFromID($this->varEntry['typeID']);
} else {
$this->isFromFile = false;
}
}
/**
* Internal constructor, called from loadFromFile and createNew.
* @param string $filePath
* @throws \Exception
*/
protected function __construct($filePath = '')
{
if ($filePath !== '') {
$this->isFromFile = true;
parent::__construct($filePath);
if ($this->fileSize < 76) {
throw new \RuntimeException('This file is not a valid TI-[e]z80 variable file');
}
$this->makeHeaderFromFile();
$this->makeVarEntryFromFile();
$this->computedChecksum = $this->computeChecksumFromFileData();
$this->inFileChecksum = $this->getChecksumValueFromFile();
if ($this->computedChecksum !== $this->inFileChecksum) {
//echo "[Warning] File is corrupt (read and calculated checksums differ)\n";
$this->corrupt = true;
}
$this->type = TIVarType::createFromID($this->varEntry['typeID']);
} else {
$this->isFromFile = false;
}
}