value" array.
*
* For example, keyvalue will parse:
*
*
*
* value1
* value2
*
*
*
* Into:
*
* [
* "{http://sabredav.org/ns}elem1" => "value1",
* "{http://sabredav.org/ns}elem2" => "value2",
* "{http://sabredav.org/ns}elem3" => null,
* ];
*
* If you specify the 'namespace' argument, the deserializer will remove
* the namespaces of the keys that match that namespace.
*
* For example, if you call keyValue like this:
*
* keyValue($reader, 'http://sabredav.org/ns')
*
* it's output will instead be:
*
* [
* "elem1" => "value1",
* "elem2" => "value2",
* "elem3" => null,
* ];
*
* Attributes will be removed from the top-level elements. If elements with
* the same name appear twice in the list, only the last one will be kept.
*
* @phpstan-return array
*/
function keyValue(Reader $reader, ?string $namespace = null): array
{
// If there's no children, we don't do anything.
if ($reader->isEmptyElement) {
$reader->next();
return [];
}
if (!$reader->read()) {
$reader->next();
return [];
}
if (Reader::END_ELEMENT === $reader->nodeType) {
$reader->next();
return [];
}
$values = [];
do {
if (Reader::ELEMENT === $reader->nodeType) {
if (null !== $namespace && $reader->namespaceURI === $namespace) {
$values[$reader->localName] = $reader->parseCurrentElement()['value'];
} else {
$clark = $reader->getClark();
$values[$clark] = $reader->parseCurrentElement()['value'];
}
} else {
if (!$reader->read()) {
break;
}
}
} while (Reader::END_ELEMENT !== $reader->nodeType);
$reader->read();
return $values;
}
/**
* The 'enum' deserializer parses elements into a simple list
* without values or attributes.
*
* For example, Elements will parse:
*
*
*
*
*
*
* content
*
*
*
* Into:
*
* [
* "{http://sabredav.org/ns}elem1",
* "{http://sabredav.org/ns}elem2",
* "{http://sabredav.org/ns}elem3",
* "{http://sabredav.org/ns}elem4",
* "{http://sabredav.org/ns}elem5",
* ];
*
* This is useful for 'enum'-like structures.
*
* If the $namespace argument is specified, it will strip the namespace
* for all elements that match that.
*
* For example,
*
* enum($reader, 'http://sabredav.org/ns')
*
* would return:
*
* [
* "elem1",
* "elem2",
* "elem3",
* "elem4",
* "elem5",
* ];
*
* @return string[]
*
* @phpstan-return list
*/
function enum(Reader $reader, ?string $namespace = null): array
{
// If there's no children, we don't do anything.
if ($reader->isEmptyElement) {
$reader->next();
return [];
}
if (!$reader->read()) {
$reader->next();
return [];
}
if (Reader::END_ELEMENT === $reader->nodeType) {
$reader->next();
return [];
}
$currentDepth = $reader->depth;
$values = [];
do {
if (Reader::ELEMENT !== $reader->nodeType) {
continue;
}
if (!is_null($namespace) && $namespace === $reader->namespaceURI) {
$values[] = $reader->localName;
} else {
$values[] = (string) $reader->getClark();
}
} while ($reader->depth >= $currentDepth && $reader->next());
$reader->next();
return $values;
}
/**
* The valueObject deserializer turns an XML element into a PHP object of
* a specific class.
*
* This is primarily used by the mapValueObject function from the Service
* class, but it can also easily be used for more specific situations.
*
* @template C of object
*
* @param class-string $className
*
* @phpstan-return C
*/
function valueObject(Reader $reader, string $className, string $namespace): object
{
$valueObject = new $className();
if ($reader->isEmptyElement) {
$reader->next();
return $valueObject;
}
$defaultProperties = get_class_vars($className);
$reader->read();
do {
if (Reader::ELEMENT === $reader->nodeType && $reader->namespaceURI == $namespace) {
if (property_exists($valueObject, $reader->localName)) {
if (is_array($defaultProperties[$reader->localName])) {
$valueObject->{$reader->localName}[] = $reader->parseCurrentElement()['value'];
} else {
$valueObject->{$reader->localName} = $reader->parseCurrentElement()['value'];
}
} else {
// Ignore property
$reader->next();
}
} elseif (Reader::ELEMENT === $reader->nodeType) {
// Skipping element from different namespace
$reader->next();
} else {
if (Reader::END_ELEMENT !== $reader->nodeType && !$reader->read()) {
break;
}
}
} while (Reader::END_ELEMENT !== $reader->nodeType);
$reader->read();
return $valueObject;
}