Completed
Push — master ( 1629d3...30b37e )
by Joschi
05:03
created

LocalPath::buildPathRegex()   C

Complexity

Conditions 7
Paths 8

Size

Total Lines 36
Code Lines 22

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 23
CRAP Score 7

Importance

Changes 1
Bugs 0 Features 1
Metric Value
cc 7
eloc 22
c 1
b 0
f 1
nc 8
nop 1
dl 0
loc 36
ccs 23
cts 23
cp 1
crap 7
rs 6.7272
1
<?php
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/**
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 * apparat-object
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 *
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 * @category    Apparat
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 * @package     Apparat\Object
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 * @subpackage  Apparat\Object\Domain
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 * @author      Joschi Kuphal <[email protected]> / @jkphl
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 * @copyright   Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
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 * @license     http://opensource.org/licenses/MIT The MIT License (MIT)
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 */
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/***********************************************************************************
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 *  The MIT License (MIT)
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 *
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 *  Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
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 *
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 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
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 *  this software and associated documentation files (the "Software"), to deal in
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 *  the Software without restriction, including without limitation the rights to
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 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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 *  the Software, and to permit persons to whom the Software is furnished to do so,
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 *  subject to the following conditions:
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 *
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 *  The above copyright notice and this permission notice shall be included in all
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 *  copies or substantial portions of the Software.
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 *
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 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 ***********************************************************************************/
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namespace Apparat\Object\Domain\Model\Path;
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use Apparat\Kernel\Ports\Kernel;
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use Apparat\Object\Domain\Model\Object\Id;
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use Apparat\Object\Domain\Model\Object\Revision;
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use Apparat\Object\Domain\Model\Object\Type;
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/**
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 * Object path
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 *
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 * @package Apparat\Object
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 * @subpackage Apparat\Object\Domain
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 */
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class LocalPath implements PathInterface
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{
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    /**
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     * Date PCRE pattern
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     *
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     * @var array
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     */
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    protected static $datePattern = [
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        'Y' => '(?P<year>\d{4})',
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        'm' => '(?P<month>\d{2})',
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        'd' => '(?P<day>\d{2})',
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        'H' => '(?P<hour>\d{2})',
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        'i' => '(?P<minute>\d{2})',
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        's' => '(?P<second>\d{2})',
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    ];
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    /**
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     * Creation date
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     *
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     * @var \DateTimeImmutable
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     */
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    protected $creationDate = null;
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    /**
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     * Object ID
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     *
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     * @var Id
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     */
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    protected $uid = null;
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    /**
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     * Object type
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     *
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     * @var Type
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     */
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    protected $type = null;
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    /**
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     * Object revision
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     *
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     * @var Revision
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     */
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    protected $revision = null;
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    /**
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     * Hidden object
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     *
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     * @var boolean
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     */
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    protected $hidden = false;
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    /*******************************************************************************
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     * PUBLIC METHODS
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     *******************************************************************************/
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    /**
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     * Object URL constructor
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     *
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     * @param null|string $path Object path
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     * @param null|boolean|int $datePrecision Date precision [NULL = local default, TRUE = any precision (remote object
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     *     URLs)]
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     * @param string $leader Leading base path
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     * @throws InvalidArgumentException If the object URL path is invalid
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     */
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    public function __construct($path = null, $datePrecision = null, &$leader = '')
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    {
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        if (!empty($path)) {
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            // If the local default date precision should be used
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            if ($datePrecision === null) {
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                $datePrecision = intval(getenv('OBJECT_DATE_PRECISION'));
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            }
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            // Build the regular expression for matching a local path
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            $pathPattern = $this->buildPathRegex($datePrecision);
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            // Match the local path
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            if (!preg_match($pathPattern, $path, $pathParts)) {
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                throw new InvalidArgumentException(
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                    sprintf('Invalid object URL path "%s"', $path),
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                    InvalidArgumentException::INVALID_OBJECT_URL_PATH
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                );
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            }
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            // If date components are used
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            if ($datePrecision) {
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                $year = $pathParts['year'];
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                $month = isset($pathParts['month']) ? $pathParts['month'] ?: '01' : '01';
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                $day = isset($pathParts['day']) ? $pathParts['day'] ?: '01' : '01';
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                $hour = isset($pathParts['hour']) ? $pathParts['hour'] ?: '00' : '00';
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                $minute = isset($pathParts['minute']) ? $pathParts['minute'] ?: '00' : '00';
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                $second = isset($pathParts['second']) ? $pathParts['second'] ?: '00' : '00';
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                $this->creationDate = new \DateTimeImmutable("$year-$month-$day".'T'."$hour:$minute:$second+00:00");
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            }
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            // Determine the leader
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            $leader = ($datePrecision === true) ? substr(
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                $path,
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                0,
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                strlen($path) - strlen($pathParts[0])
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            ) : $pathParts['leader'];
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            // Set the hidden state
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            $this->hidden = !empty($pathParts['hidden']);
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            // Set the ID
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            $this->uid = Kernel::create(Id::class, [intval($pathParts['id'])]);
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            // Set the type
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            $this->type = Kernel::create(Type::class, [$pathParts['type']]);
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            // Set the revision
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            $this->revision = Kernel::create(
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                Revision::class,
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                [
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                    empty($pathParts['revision']) ? Revision::CURRENT : intval($pathParts['revision']),
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                    !empty($pathParts['draft'])
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                ]
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            );
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        }
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    }
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    /**
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     * Create and return the object URL path
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     *
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     * @return string Object path
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     */
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    public function __toString()
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    {
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        $path = [];
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        $datePrecision = intval(getenv('OBJECT_DATE_PRECISION'));
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        // Add the creation date
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        foreach (array_slice(array_keys(self::$datePattern), 0, $datePrecision) as $dateFormat) {
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            $path[] = $this->creationDate->format($dateFormat);
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        }
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        // Add the object ID and type
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        $path[] = ($this->hidden ? '.' : '').$this->uid->getId().'.'.$this->type->getType();
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        // Add the ID, draft mode and revision
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        $uid = $this->uid->getId();
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        $path[] = rtrim(($this->revision->isDraft() ? '.' : '').$uid.'-'.$this->revision->getRevision(), '-');
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        return '/'.implode('/', $path);
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    }
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    /**
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     * Return the object's creation date
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     *
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     * @return \DateTimeImmutable Object creation date
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     */
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    public function getCreationDate()
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    {
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        return $this->creationDate;
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    }
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    /**
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     * Set the object's creation date
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     *
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     * @param \DateTimeImmutable $creationDate
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     * @return PathInterface|LocalPath New object path
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     */
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    public function setCreationDate(\DateTimeImmutable $creationDate)
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    {
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        $path = clone $this;
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        $path->creationDate = $creationDate;
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        return $path;
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    }
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    /**
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     * Return the object type
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     *
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     * @return Type Object type
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     */
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    public function getType()
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    {
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        return $this->type;
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    }
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    /**
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     * Set the object type
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     *
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     * @param Type $type Object type
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     * @return PathInterface|LocalPath New object path
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     */
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    public function setType(Type $type)
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    {
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        $path = clone $this;
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        $path->type = $type;
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        return $path;
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    }
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    /**
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     * Return the object ID
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     *
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     * @return Id Object ID
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     */
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    public function getId()
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    {
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        return $this->uid;
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    }
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    /**
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     * Set the object ID
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     *
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     * @param Id $uid Object ID
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     * @return PathInterface|LocalPath New object path
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     */
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    public function setId(Id $uid)
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    {
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        $path = clone $this;
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        $path->uid = $uid;
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        return $path;
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    }
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    /**
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     * Return the object revision
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     *
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     * @return Revision Object revision
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     */
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    public function getRevision()
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    {
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        return $this->revision;
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    }
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    /**
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     * Set the object revision
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     *
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     * @param Revision $revision Object revision
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     * @return PathInterface|LocalPath New object path
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     */
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    public function setRevision(Revision $revision)
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    {
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        $path = clone $this;
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        $path->revision = $revision;
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        return $path;
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    }
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    /**
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     * Return the object hidden state
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     *
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     * @return boolean Object hidden state
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     */
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    public function isHidden()
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    {
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        return $this->hidden;
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    }
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    /**
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     * Set the object hidden state
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     *
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     * @param boolean $hidden Object hidden state
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     * @return PathInterface|LocalPath New object path
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     */
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    public function setHidden($hidden)
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    {
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        $path = clone $this;
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        $path->hidden = !!$hidden;
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        return $path;
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    }
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    /**
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     * Build the regular expression for matching a local object path
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     *
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     * @param null|boolean|int $datePrecision Date precision [NULL = local default, TRUE = any precision (remote object
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     *     URLs)]
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     * @return string Regular expression for matching a local object path
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     * @throws InvalidArgumentException If the date precision is invalid
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     */
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    protected function buildPathRegex($datePrecision)
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    {
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        $pathPattern = null;
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        // If a valid integer date precision is given
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        if (is_int($datePrecision) && ($datePrecision >= 0) && ($datePrecision < 7)) {
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            $pathPattern = '%^(?P<leader>(/[^/]+)*)?/'.
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                implode(
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                    '/',
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                    array_slice(self::$datePattern, 0, $datePrecision)
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                ).($datePrecision ? '/' : '');
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            // Else if the date precision may be arbitrary
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        } elseif ($datePrecision === true) {
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            $pathPattern = '%(?:/'.implode('(?:/', self::$datePattern);
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            $pathPattern .= str_repeat(')?', count(self::$datePattern));
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            $pathPattern .= '/';
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        }
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        // If the date precision is invalid
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        if ($pathPattern === null) {
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            throw new InvalidArgumentException(
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                sprintf(
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                    'Invalid date precision "%s" (%s)',
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                    strval($datePrecision),
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                    gettype($datePrecision)
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                ),
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                InvalidArgumentException::INVALID_DATE_PRECISION
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            );
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        }
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        $pathPattern .= '(?P<hidden>\.)?(?P<id>\d+)\.(?P<type>[a-z]+)(?:/(.*\.)?\\k';
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        $pathPattern .= '<id>(?:(?P<draft>\+)|(?:-(?P<revision>\d+)))?(?P<extension>\.[a-z0-9]+)?)?$%';
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        return $pathPattern;
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    }
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}
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