/**
* @param \File_MARC_Data_Field $field
*
* @return DataField
*/
private function convertDataField(\File_MARC_Data_Field $field)
{
$tag = $field->getTag();
$ind1 = $field->getIndicator(1);
$ind2 = $field->getIndicator(2);
$dataField = new DataField($tag, [$ind1, $ind2]);
foreach ($field->getSubfields() as $subField) {
$dataField->addSubField($this->convertSubfield($subField));
}
return $dataField;
}
/**
* Support method for getFieldData() -- factor the relationship indicator
* into the field number where relevant to generate a note to associate
* with a record link.
*
* @param File_MARC_Data_Field $field Field to examine
*
* @return string
*/
protected function getRecordLinkNote($field)
{
// If set, use relationship information from subfield i
if ($subfieldI = $field->getSubfield('i')) {
$data = trim($subfieldI->getData());
if (!empty($data)) {
return $data;
}
}
// Normalize blank relationship indicator to 0:
$relationshipIndicator = $field->getIndicator('2');
if ($relationshipIndicator == ' ') {
$relationshipIndicator = '0';
}
// Assign notes based on the relationship type
$value = $field->getTag();
switch ($value) {
case '780':
if (in_array($relationshipIndicator, range('0', '7'))) {
$value .= '_' . $relationshipIndicator;
}
break;
case '785':
if (in_array($relationshipIndicator, range('0', '8'))) {
$value .= '_' . $relationshipIndicator;
}
break;
}
return 'note_' . $value;
}
/**
* Support method for getFieldData() -- factor the relationship indicator
* into the field number where relevant to generate a note to associate
* with a record link.
*
* @param File_MARC_Data_Field $field Field to examine
*
* @return string
*/
protected function getRecordLinkNote($field)
{
// Normalize blank relationship indicator to 0:
$relationshipIndicator = $field->getIndicator('2');
if ($relationshipIndicator == ' ') {
$relationshipIndicator = '0';
}
// Assign notes based on the relationship type
$value = $field->getTag();
switch ($value) {
case '780':
if (in_array($relationshipIndicator, range('0', '7'))) {
$value .= '_' . $relationshipIndicator;
}
break;
case '785':
if (in_array($relationshipIndicator, range('0', '8'))) {
$value .= '_' . $relationshipIndicator;
}
break;
}
return 'note_' . $value;
}
