/**
* {@inheritdoc}
*
* @throws \InvalidArgumentException
* @throws InvalidMARCspecException
*/
public function __construct($subfieldspec = null)
{
if (is_null($subfieldspec)) {
return;
}
if (!is_string($subfieldspec)) {
throw new \InvalidArgumentException('Method only accepts string as argument. ' . gettype($subfieldspec) . ' given.');
}
$argLength = strlen($subfieldspec);
if (0 === $argLength) {
throw new InvalidMARCspecException(InvalidMARCspecException::SF . InvalidMARCspecException::MISSINGTAG, $subfieldspec);
}
if (1 == $argLength) {
$subfieldspec = '$' . $subfieldspec;
}
if (1 < $argLength) {
if ('-' == $subfieldspec[1]) {
// assuming subfield range
throw new InvalidMARCspecException(InvalidMARCspecException::SF . InvalidMARCspecException::SFRANGE, $subfieldspec);
}
}
if (preg_match('/\\{.*\\}$/', $subfieldspec)) {
throw new InvalidMARCspecException(InvalidMARCspecException::SF . InvalidMARCspecException::DETECTEDSS, $subfieldspec);
}
$parser = new MARCspecParser();
$subfield = $parser->subfieldToArray($subfieldspec);
$this->setTag($subfield['subfieldtag']);
if (array_key_exists('index', $subfield)) {
$_pos = MARCspec::validatePos($subfield['index']);
$this->setIndexStartEnd($_pos[0], $_pos[1]);
} else {
// as of MARCspec 3.2.2 spec without index is always an abbreviation
$this->setIndexStartEnd(0, '#');
}
if (array_key_exists('charpos', $subfield)) {
$_chars = MARCspec::validatePos($subfield['charpos']);
$this->setCharStartEnd($_chars[0], $_chars[1]);
}
}
/**
* {@inheritdoc}
*
* @throws InvalidMARCspecException
*/
public function __construct($fieldspec = null)
{
if (is_null($fieldspec)) {
return;
}
$this->checkIfString($fieldspec);
$spec = trim($fieldspec);
$specLength = strlen($fieldspec);
// check string length
if (3 > $specLength) {
throw new InvalidMARCspecException(InvalidMARCspecException::FS . InvalidMARCspecException::MINIMUM3, $fieldspec);
}
if (preg_match('/\\s/', $fieldspec)) {
throw new InvalidMARCspecException(InvalidMARCspecException::FS . InvalidMARCspecException::SPACE, $fieldspec);
}
if ($strpos = strpos('{', $fieldspec)) {
throw new InvalidMARCspecException(InvalidMARCspecException::FS . InvalidMARCspecException::DETECTEDSS, $fieldspec);
}
$parser = new MARCspecParser();
$parser->fieldToArray($fieldspec);
if (array_key_exists('subfields', $parser->parsed)) {
throw new InvalidMARCspecException(InvalidMARCspecException::FS . InvalidMARCspecException::DETECTEDSF, $fieldspec);
}
$this->setTag($parser->field['tag']);
if (array_key_exists('index', $parser->field)) {
$_pos = MARCspec::validatePos($parser->field['index']);
$this->setIndexStartEnd($_pos[0], $_pos[1]);
} else {
// as of MARCspec 3.2.2 spec without index is always an abbreviation
$this->setIndexStartEnd(0, '#');
}
if (array_key_exists('indicators', $parser->field)) {
$this->setIndicators($parser->field['indicators']);
} elseif (array_key_exists('charpos', $parser->field)) {
$_chars = MARCspec::validatePos($parser->field['charpos']);
$this->setCharStartEnd($_chars[0], $_chars[1]);
}
}
/**
* {@inheritdoc}
*
* @throws InvalidMARCspecException
*/
public function addSubfields($subfields)
{
if ($subfields instanceof SubfieldInterface) {
$this->subfields[] = $subfields;
} else {
$this->checkIfString($subfields);
if (2 > strlen($subfields)) {
throw new InvalidMARCspecException(InvalidMARCspecException::SF . InvalidMARCspecException::LENGTH . InvalidSubfieldspecException::MINIMUM2, $subfields);
}
if ('$' !== $subfields[0]) {
throw new InvalidMARCspecException(InvalidMARCspecException::SF . InvalidSubfieldspecException::PREFIX, $subfields);
}
$parser = new MARCspecParser();
$_subfieldSpecs = $parser->matchSubfields($subfields);
foreach ($_subfieldSpecs as $subfieldSpec) {
$this->addSubfield($subfieldSpec);
}
}
}