/**
* Return the MARC record in MARCXML format
*
* This method produces an XML representation of a MARC record that
* attempts to adhere to the MARCXML standard documented at
* http://www.loc.gov/standards/marcxml/
*
* @param string $encoding output encoding for the MARCXML record
* @param bool $indent pretty-print the MARCXML record
* @param bool $single wrap the <record> element in a <collection> element
*
* @return string representation of MARC record in MARCXML format
*
* @todo Fix encoding input / output issues (PHP 6.0 required?)
*/
function toXML($encoding = "UTF-8", $indent = true, $single = true)
{
$this->marcxml->setIndent($indent);
if ($single) {
$this->marc->toXMLHeader();
}
$this->marcxml->startElement("record");
// MARCXML schema has some strict requirements
// We'll set reasonable defaults to avoid invalid MARCXML
$xmlLeader = $this->getLeader();
// Record status
if ($xmlLeader[5] == " ") {
// Default to "n" (new record)
$xmlLeader[5] = "n";
}
// Type of record
if ($xmlLeader[6] == " ") {
// Default to "a" (language material)
$xmlLeader[6] = "a";
}
$this->marcxml->writeElement("leader", $xmlLeader);
foreach ($this->fields as $field) {
if (!$field->isEmpty()) {
switch (get_class($field)) {
case "File_MARC_Control_Field":
$this->marcxml->startElement("controlfield");
$this->marcxml->writeAttribute("tag", $field->getTag());
$this->marcxml->text($field->getData());
$this->marcxml->endElement();
// end control field
break;
case "File_MARC_Data_Field":
$this->marcxml->startElement("datafield");
$this->marcxml->writeAttribute("tag", $field->getTag());
$this->marcxml->writeAttribute("ind1", $field->getIndicator(1));
$this->marcxml->writeAttribute("ind2", $field->getIndicator(2));
foreach ($field->getSubfields() as $subfield) {
$this->marcxml->startElement("subfield");
$this->marcxml->writeAttribute("code", $subfield->getCode());
$this->marcxml->text($subfield->getData());
$this->marcxml->endElement();
// end subfield
}
$this->marcxml->endElement();
// end data field
break;
}
}
}
$this->marcxml->endElement();
// end record
if ($single) {
return $this->marc->toXMLFooter();
}
}
