/**
* Retrieve the maintenance task entry, from unique identfier
* @param $maintenanceTaskEntryIdentifier Identifier to locate entry
* @return mixed|null Returns the maintenance task entry or null on error
* @throws InvalidArgumentException if the provided argument is not set or of correct type
*/
public function retrieveMaintenanceTaskEntry($maintenanceTaskEntryIdentifier)
{
if (!isset($maintenanceTaskEntryIdentifier)) {
//argument check
throw new InvalidArgumentException("Missing Argument");
} else {
if (!is_numeric($maintenanceTaskEntryIdentifier)) {
//argument check
throw new InvalidArgumentException("maintenanceTaskEntryIdentifier is not a number");
}
}
if ($this->maintenanceTaskList->isEmpty()) {
//if list is empty, unable to return entry
return null;
} else {
$this->maintenanceTaskList->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
//set iteration FIFO
for ($this->maintenanceTaskList->rewind(); $this->maintenanceTaskList->valid(); $this->maintenanceTaskList->next()) {
if ($this->maintenanceTaskList->current()->getTaskEntryIdentifier() == $maintenanceTaskEntryIdentifier) {
//if entry identifier matches supplied identifier
return $this->maintenanceTaskList->current();
}
//return the matching entry
}
}
return null;
//entry with given identifier not found
}
/**
* (excerpt from http://docs.hhvm.com/manual/en/splstack.setiteratormode.php)
*
*
* @mode mixed There is only one iteration parameter you can
* modify. The behavior of the iterator (either one or
* the other): SplDoublyLinkedList::IT_MODE_DELETE
* (Elements are deleted by the iterator)
* SplDoublyLinkedList::IT_MODE_KEEP (Elements are
* traversed by the iterator)
*
* The default mode is 0x2 :
* SplDoublyLinkedList::IT_MODE_LIFO |
* SplDoublyLinkedList::IT_MODE_KEEP Warning
*
* The direction of iteration can no longer be changed
* for SplStacks. Trying to do so will result in a
* RuntimeException being thrown.
*
* @return mixed No value is returned.
*/
public function setIteratorMode($mode)
{
if (($mode & self::IT_MODE_LIFO) == 0) {
throw new RuntimeException('Iterators\' LIFO/FIFO modes for SplStack/SplQueue objects are frozen');
}
parent::setIteratorMode($mode);
}
/**
* @param $vertex
* @return \SplDoublyLinkedList
*/
public function createTransitionsList($vertex)
{
$list = new \SplDoublyLinkedList();
$list->setIteratorMode(\SplDoublyLinkedList::IT_MODE_FIFO | \SplDoublyLinkedList::IT_MODE_KEEP);
$list->push($vertex);
return $list;
}
public static function castDoublyLinkedList(\SplDoublyLinkedList $c, array $a, Stub $stub, $isNested)
{
$mode = $c->getIteratorMode();
$c->setIteratorMode(\SplDoublyLinkedList::IT_MODE_KEEP | $mode & ~\SplDoublyLinkedList::IT_MODE_DELETE);
$a += array("~mode" => new ConstStub(($mode & \SplDoublyLinkedList::IT_MODE_LIFO ? 'IT_MODE_LIFO' : 'IT_MODE_FIFO') . ' | ' . ($mode & \SplDoublyLinkedList::IT_MODE_KEEP ? 'IT_MODE_KEEP' : 'IT_MODE_DELETE'), $mode), "~dllist" => iterator_to_array($c));
$c->setIteratorMode($mode);
return $a;
}
public static function castDoublyLinkedList(\SplDoublyLinkedList $c, array $a, Stub $stub, $isNested)
{
$prefix = Caster::PREFIX_VIRTUAL;
$mode = $c->getIteratorMode();
$c->setIteratorMode(\SplDoublyLinkedList::IT_MODE_KEEP | $mode & ~\SplDoublyLinkedList::IT_MODE_DELETE);
$a += array($prefix . 'mode' => new ConstStub(($mode & \SplDoublyLinkedList::IT_MODE_LIFO ? 'IT_MODE_LIFO' : 'IT_MODE_FIFO') . ' | ' . ($mode & \SplDoublyLinkedList::IT_MODE_KEEP ? 'IT_MODE_KEEP' : 'IT_MODE_DELETE'), $mode), $prefix . 'dllist' => iterator_to_array($c));
$c->setIteratorMode($mode);
return $a;
}
/**
* {@inheritdoc}
*/
public function tokenize($userAgent)
{
$iterator = new \SplDoublyLinkedList();
$iterator->setIteratorMode(\SplDoublyLinkedList::IT_MODE_FIFO);
foreach ($this->getTokens($userAgent) as $position => $token) {
$token = trim($token);
$iterator->push(new Node($token, $position, $this->resolveType($token)));
}
return $iterator;
}
public function __construct()
{
$listLink = new SplDoublyLinkedList();
$listLink->push('Albin');
$listLink->push('to');
$listLink->push('the');
$listLink->push('interface;');
$listLink->push('not');
$listLink->push('the');
$listLink->push('Sandi');
echo "<strong>Free good advice :</strong><br />";
$listLink->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
for ($listLink->rewind(); $listLink->valid(); $listLink->next()) {
echo $listLink->current() . " ";
}
echo "<br /><br /><strong>Yoda talk: last in first out:</strong><br />";
$listLink->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO);
for ($listLink->rewind(); $listLink->valid(); $listLink->next()) {
echo $listLink->current() . " ";
}
}
function it_tokenize_useragent()
{
$tokenized = $this->tokenize('Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0); 360Spider(compatible; HaosouSpider; http://www.haosou.com/help/help_3_2.html)');
$nodes = new \SplDoublyLinkedList();
$nodes->setIteratorMode(\SplDoublyLinkedList::IT_MODE_FIFO);
$nodes->push(new Node('mozilla', 0, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('/', 1, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('5.0', 2, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 3, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('(', 4, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('compatible', 5, NodeInterface::TYPE_TEXT));
$nodes->push(new Node(';', 6, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 7, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('msie', 8, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 9, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('9.0', 10, NodeInterface::TYPE_TEXT));
$nodes->push(new Node(';', 11, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 12, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('windows', 13, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 14, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('nt', 15, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 16, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('6.1', 17, NodeInterface::TYPE_TEXT));
$nodes->push(new Node(';', 18, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 19, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('trident', 20, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('/', 21, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('5.0', 22, NodeInterface::TYPE_TEXT));
$nodes->push(new Node(')', 23, NodeInterface::TYPE_TEXT));
$nodes->push(new Node(';', 24, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 25, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('360spider', 26, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('(', 27, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('compatible', 28, NodeInterface::TYPE_TEXT));
$nodes->push(new Node(';', 29, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 30, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('haosouspider', 31, NodeInterface::TYPE_TEXT));
$nodes->push(new Node(';', 32, NodeInterface::TYPE_TEXT));
$nodes->push(new Node('', 33, NodeInterface::TYPE_SPACE));
$nodes->push(new Node('http://www.haosou.com/help/help_3_2.html', 34, NodeInterface::TYPE_TEXT));
$nodes->push(new Node(')', 35, NodeInterface::TYPE_TEXT));
$tokenized->shouldReturnAnInstanceOf('\\Iterator');
/** @var NodeInterface $node */
foreach ($nodes as $node) {
$tokenized[$node->getPosition()]->getValue()->shouldReturn($node->getValue());
$tokenized[$node->getPosition()]->getType()->shouldReturn($node->getType());
}
}
$dlanguages = new SplDoublyLinkedList();
$dlanguages->push(['Languages', 'Uses', 'Ranking']);
$dlanguages->push(['C++', 'computing', 99.59999999999999]);
$dlanguages->push(['C', 'computing', 99.90000000000001]);
$dlanguages->push(['Java', 'application', 100]);
$dlanguages->push(['C#', 'application', 91.8]);
$dlanguages->push(['Python', 'application', 95.8]);
$dlanguages->push(['PHP', 'web', 84.5]);
$dlanguages->push(['Perl', 'web', 66.90000000000001]);
$dlanguages->push(['R', 'computing', 84.7]);
$dlanguages->push(['Ruby', 'web', 75.3]);
$dlanguages->push(['VB.NET', 'application', 63.4]);
$dlanguages->push(['Javascript', 'web', 83]);
$dlanguages->push(['Matlab', 'computing', 72.40000000000001]);
echo "\nDOUBLY LINK LIST LOOP: FIFO\n";
$dlanguages->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
for ($dlanguages->rewind(); $dlanguages->valid(); $dlanguages->next()) {
echo $dlanguages->current()[0] . "\n";
echo $dlanguages->current()[1] . "\n";
echo $dlanguages->current()[2] . "\n";
}
/* FIXED ARRAY */
$fdatabases = new SplFixedArray(11);
$fdatabases[0] = ['Databases', 'Type', 'Size', 'Ranking'];
$fdatabases[1] = ['Oracle', 'Proprietary', 'Server', 1497.55];
$fdatabases[2] = ['SQL Server', 'Proprietary', 'Server', 1123.16];
$fdatabases[3] = ['PostgreSQL', 'Open-Source', 'Server', 280.09];
$fdatabases[4] = ['MySQL', 'Open-Source', 'Server', 1298.54];
$fdatabases[5] = ['DB2', 'Proprietary', 'Server', 196.13];
$fdatabases[6] = ['SQLite', 'Open-Source', 'File', 100.85];
$fdatabases[7] = ['MS Access', 'Proprietary', 'File', 140.21];
<?php
$stack = new SplDoublyLinkedList();
$stack->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO | SplDoublyLinkedList::IT_MODE_DELETE);
$stack->push(13);
$stack->push(17);
$stack->push(19);
foreach ($stack as $item) {
var_dump($item);
}
var_dump(count($stack));
foreach ($stack as $item) {
var_dump($item);
}
var_dump(count($stack));
/**
* @dataProvider provideCastSplDoublyLinkedList
*/
public function testCastSplDoublyLinkedList($modeValue, $modeDump)
{
$var = new \SplDoublyLinkedList();
$var->setIteratorMode($modeValue);
$dump = <<<EOTXT
SplDoublyLinkedList {
%Amode: {$modeDump}
dllist: []
}
EOTXT;
$this->assertDumpMatchesFormat($dump, $var);
}
<?php $dll = new SplDoublyLinkedList(2); $dll->setIteratorMode(new SplDoublyLinkedList(2));
<?php $list = new SplDoublyLinkedList(); $list->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO | SplDoublyLinkedList::IT_MODE_KEEP); echo $list->getIteratorMode();
public function __construct()
{
$list = new \SplDoublyLinkedList();
$list->setIteratorMode(\SplDoublyLinkedList::IT_MODE_LIFO | \SplDoublyLinkedList::IT_MODE_DELETE);
$this->collected = $list;
}
<?php
$dll = new SplDoublyLinkedList();
$dll->push(2);
$dll->push(3);
$dll->push(4);
$dll->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO);
foreach ($dll as $k => $v) {
echo "{$k}=>{$v}\n";
}
$dll->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
foreach ($dll as $k => $v) {
echo "{$k}=>{$v}\n";
}
$dll->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO | SplDoublyLinkedList::IT_MODE_DELETE);
var_dump($dll->count());
foreach ($dll as $k => $v) {
echo "{$k}=>{$v}\n";
}
var_dump($dll->count());
?>
===DONE===
// offsetUnset($index)
// 删除参数索引的节点
$list->offsetUnset(3);
// add($index, $value);
// 对指定的索引新增一个新值。 当一个节点用offsetUnset时，并没有直接删除，该节点还仍然会保存在内存中。用add可以重新给该节点设置值
$list->add(3, 'first');
// unshift($value)
// 在链表的开始节点插入value作为新的开始节点
$list->unshift('second');
// shift()
// 将链表的第一个移除
$list->shift();
// setIteratorMode(int $mode)
// 设置链表的模式。等价于下面的情况：
// IT_MODE_LIFO: 栈模式，先进后出；IT_MODE_FIFO：队列模式，先进先出
// IT_MODE_DELETE； IT_MODE_KEEP
$list->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
// getIteratorMode()
// 获得链表的模式
$list->getIteratorMode();
echo "example: \n";
echo "FIFO (First In First Out): \n";
$list->setIteratorMode(SplDoublyLinkedList::IT_MODE_FIFO);
for ($list->rewind(); $list->valid(); $list->next()) {
echo $list->current() . "\n";
}
echo "LIFO (First In First Out): \n";
$list->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO);
for ($list->rewind(); $list->valid(); $list->next()) {
echo $list->current() . "\n";
}
/**
* Sets the mode of iteration.
*
* After changing the direction mode(FIFO or LIFO) on a filled stream, it should be rewinded.
*
* @param int $mode See the documentation for `SplDoublyLinkedList::setIteratorMode` for more details.
* @link http://www.php.net/manual/en/spldoublylinkedlist.setiteratormode.php
*/
public function setIteratorMode($mode)
{
$this->tokens->setIteratorMode($mode);
}
