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namespace Gedcomx\Rs\Client\Util;
use Gedcomx\Conclusion\Person;
use Gedcomx\Gedcomx;
/**
* A model representation of descendancy.
*
* Class DescendancyTree
*
* @package Gedcomx\Rs\Client\Util
*/
class DescendancyTree
{
private $root = null;
/**
* Constructs a new descendancy tree using the specified model.
*
* @param \Gedcomx\Gedcomx $gx
*/
function __construct(Gedcomx $gx)
{
$this->root = $this->buildTree($gx);
}
/**
* Builds an array of persons to be placed in the descendancy tree.
*
* @param \Gedcomx\Gedcomx $gx
*
* @return \Gedcomx\Rs\Client\Util\DescendancyNode|null
*/
protected function buildTree(Gedcomx $gx)
{
$root = null;
if ($gx->getPersons() != null && count($gx->getPersons()) > 0) {
$rootArray = array();
foreach ($gx->getPersons() as $person) {
if ($person->getDisplayExtension() != null && $person->getDisplayExtension()->getDescendancyNumber() != null) {
$number = $person->getDisplayExtension()->getDescendancyNumber();
$spouse = substr($number, -2) === "-S" || substr($number, -2) === "-s";
if ($spouse) {
$number = substr($number, 0, strlen($number) - 2);
}
$coordinates = $this->parseCoordinates($number);
$current =& $rootArray;
$i = 0;
$node = null;
while ($current !== null) {
$coordinate = $coordinates[$i];
while (count($current) < $coordinate) {
array_push($current, null);
}
$node = $current[$coordinate - 1];
if ($node == null) {
$node = new DescendancyNode();
$current[$coordinate - 1] = $node;
}
unset($current);
if (++$i < count($coordinates)) {
//if we still have another generation to descend, make sure the list is initialized.
$children =& $node->Children;
if ($children == null) {
$children = array();
$node->Children = $children;
}
$current =& $children;
} else {
$current = null;
}
}
if ($spouse) {
$node->Spouse = $person;
} else {
$node->Person = $person;
}
}
}
if (count($rootArray) > 0) {
$root = $rootArray[0];
}
}
return $root;
}
/**
* Gets the root person of the descendancy tree.
*
* @return \Gedcomx\Rs\Client\Util\DescendancyNode|null
*/
function getRoot()
{
return $this->root;
}
/**
* Parses the coordinates of the specified d'Aboville number. See remarks.
* More information on a d'Aboville number can be found here: {@link http://en.wikipedia.org/wiki/Genealogical_numbering_system#d.27Aboville_System}.
*
* @param $number
*
* @return array
*/
protected function parseCoordinates($number)
{
$coords = array();
$current = "";
for ($i = 0; $i < strlen($number); $i++) {
$ch = $number[$i];
if ($ch == '.') {
array_push($coords, $current);
$current = "";
} else {
$current = $current . $ch;
}
}
array_push($coords, $current);
$coordinates = array();
for ($i = 0; $i < count($coords); $i++) {
$num = $coords[$i];
$coordinates[$i] = (int)$num;
}
return $coordinates;
}
}
/**
* Represents a person, spouse, and descendancy in a tree.
*
* Class DescendancyNode
*
* @package Gedcomx\Rs\Client\Util
*/
class DescendancyNode
{
public $Person;
public $Spouse;
public $Children;
/**
* Gets the main person of a tree.
* @return mixed
*/
public function getPerson()
{
return $this->Person;
}
/**
* Sets the main person of a tree.
*
* @param \Gedcomx\Conclusion\Person $person
*/
public function setPerson(Person $person)
{
$this->Person = $person;
}
/**
* Gets the spouse of the main person.
*
* @return mixed
*/
public function getSpouse()
{
return $this->Spouse;
}
/**
* Sets the spouse of the main person.
*
* @param \Gedcomx\Conclusion\Person $spouse
*/
public function setSpouse(Person $spouse)
{
$this->Spouse = $spouse;
}
/**
* Gets the children of the main person
*
* @return mixed
*/
public function getChildren()
{
return $this->Children;
}
/**
* Sets the children of the main person
*
* @param array $children
*/
public function setChildren(array $children)
{
$this->Children = $children;
}
}