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<?php |
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/** |
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* rdfa-lite |
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* |
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* @category Jkphl |
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* @package Jkphl\Micrometa |
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* @subpackage Jkphl\RdfaLiteMicrodata\Domain\Property |
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* @author Joschi Kuphal <[email protected]> / @jkphl |
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* @copyright Copyright © 2017 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 © 2017 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 Jkphl\RdfaLiteMicrodata\Domain\Property; |
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use Jkphl\RdfaLiteMicrodata\Domain\Exceptions\ErrorException; |
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use Jkphl\RdfaLiteMicrodata\Domain\Exceptions\OutOfBoundsException; |
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use Jkphl\RdfaLiteMicrodata\Domain\Iri\IriInterface; |
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/** |
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* Property list |
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* |
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* @package Jkphl\Micrometa |
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* @subpackage Jkphl\RdfaLiteMicrodata\Domain |
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*/ |
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class PropertyList implements PropertyListInterface |
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{ |
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/** |
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* Use iterator methods |
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*/ |
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use PropertyListIteratorTrait; |
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/** |
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* Property values |
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* |
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* @var array[] |
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*/ |
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protected $values = []; |
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/** |
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* Property names |
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* |
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* @var IriInterface[] |
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*/ |
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protected $names = []; |
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/** |
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* Name cursor mapping |
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* |
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* @var int[] |
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*/ |
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protected $nameToCursor = []; |
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/** |
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* Internal cursor |
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* |
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* @var int |
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*/ |
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protected $cursor = 0; |
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/** |
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* Unset a property |
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* |
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* @param IriInterface|string $iri IRI |
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* @throws ErrorException |
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*/ |
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public function offsetUnset($iri) |
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{ |
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throw new ErrorException( |
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sprintf(ErrorException::CANNOT_UNSET_PROPERTY_STR, $iri), |
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ErrorException::CANNOT_UNSET_PROPERTY, |
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E_WARNING |
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); |
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} |
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/** |
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* Return the number of properties |
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* |
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* @return int Number of properties |
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*/ |
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public function count() |
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{ |
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return count($this->nameToCursor); |
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} |
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/** |
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* Return an array form |
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* |
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* @return array Array form |
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*/ |
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public function toArray() |
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{ |
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$values = $this->values; |
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return array_map( |
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function ($cursor) use ($values) { |
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return $values[$cursor]; |
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}, |
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$this->nameToCursor |
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); |
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} |
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/** |
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* Add a property |
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* |
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* @param PropertyInterface $property Property |
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*/ |
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public function add(PropertyInterface $property) |
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{ |
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$iri = $property->toIri(); |
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// Create the property values list if necessary |
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if (!$this->offsetExists($iri)) { |
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$this->offsetSet($iri, [$property]); |
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return; |
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} |
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$this->offsetGet($iri)[] = $property; |
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} |
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/** |
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* Return whether a property exists |
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* |
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* @param IriInterface|string $iri IRI |
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* @return boolean Property exists |
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*/ |
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public function offsetExists($iri) |
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{ |
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return array_key_exists(strval($iri), $this->nameToCursor); |
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} |
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/** |
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* Set a particular property |
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* |
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* @param IriInterface|string $iri IRI |
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* @param array $value Property values |
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*/ |
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public function offsetSet($iri, $value) |
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{ |
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$iriStr = strval($iri); |
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$cursor = array_key_exists($iriStr, $this->nameToCursor) ? |
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$this->nameToCursor[$iriStr] : ($this->nameToCursor[$iriStr] = count($this->nameToCursor)); |
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$this->names[$cursor] = $iri; |
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$this->values[$cursor] = $value; |
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} |
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/** |
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* Get a particular property |
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* |
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* @param IriInterface|string $iri IRI |
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* @return array Property values |
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*/ |
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public function &offsetGet($iri) |
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{ |
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$iriStr = strval($iri); |
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// If the property name is unknown |
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if (!isset($this->nameToCursor[$iriStr])) { |
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throw new OutOfBoundsException( |
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sprintf(OutOfBoundsException::UNKNOWN_PROPERTY_NAME_STR, $iriStr), |
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OutOfBoundsException::UNKNOWN_PROPERTY_NAME |
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); |
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} |
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$cursor = $this->nameToCursor[strval($iri)]; |
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return $this->values[$cursor]; |
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} |
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} |
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