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<?php |
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/** |
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* micrometa |
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* |
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* @category Jkphl |
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* @package Jkphl\Micrometa |
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* @subpackage Jkphl\Micrometa\Domain\Item |
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* @author Joschi Kuphal <[email protected]> / @jkphl |
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* @copyright Copyright © 2018 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 © 2018 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\Micrometa\Domain\Item; |
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use Jkphl\Micrometa\Domain\Exceptions\ErrorException; |
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use Jkphl\Micrometa\Domain\Exceptions\OutOfBoundsException; |
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use Jkphl\Micrometa\Domain\Factory\IriFactory; |
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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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* 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 \stdClass[] |
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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 \stdClass|string $iri IRI |
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* |
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* @throws ErrorException |
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*/ |
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public function offsetUnset($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->values); |
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} |
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/** |
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* Return the current property values |
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* |
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* @return array Property values |
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*/ |
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public function current() |
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{ |
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return $this->values[$this->cursor]; |
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} |
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/** |
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* Move forward to next element |
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*/ |
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public function next() |
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{ |
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++$this->cursor; |
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} |
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/** |
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* Return the current IRI key |
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* |
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* @return \stdClass IRI key |
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*/ |
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public function key() |
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{ |
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return $this->names[$this->cursor]; |
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} |
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/** |
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* Checks if current position is valid |
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* |
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* @return boolean The current position is valid |
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*/ |
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public function valid() |
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{ |
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return isset($this->values[$this->cursor]); |
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} |
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/** |
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* Rewind the Iterator to the first element |
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*/ |
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public function rewind() |
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{ |
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$this->cursor = 0; |
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} |
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/** |
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* Add a property |
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* |
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* @param \stdClass|Iri $property Property |
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*/ |
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public function add($property) |
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{ |
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$iri = IriFactory::create($property); |
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$values = (is_object($property) && isset($property->values)) ? (array)$property->values : []; |
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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, $values); |
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return; |
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} |
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$propertyValues =& $this->offsetGet($iri); |
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$propertyValues = array_merge($propertyValues, $values); |
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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 \stdClass|Iri|string $iri IRI |
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* |
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* @return boolean Property exists |
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*/ |
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public function offsetExists($iri) |
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{ |
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$iri = IriFactory::create($iri); |
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try { |
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($iri->profile !== '') ? |
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$this->getProfiledPropertyCursor($iri) : $this->getPropertyCursor($iri->name); |
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return true; |
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} catch (OutOfBoundsException $exception) { |
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return false; |
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} |
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} |
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/** |
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* Get a particular property cursor by its profiled name |
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* |
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* @param Iri $iri IRI |
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* |
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* @return int Property cursor |
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* @throws OutOfBoundsException If the property name is unknown |
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*/ |
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protected function getProfiledPropertyCursor($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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$this->handleUnknownName($iriStr); |
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} |
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return $this->nameToCursor[$iriStr]; |
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} |
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/** |
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* Handle an unknown property name |
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* |
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* @param string $name Property name |
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* |
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* @throws OutOfBoundsException If the property name is unknown |
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*/ |
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protected function handleUnknownName($name) |
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{ |
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throw new OutOfBoundsException( |
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sprintf(OutOfBoundsException::UNKNOWN_PROPERTY_NAME_STR, $name), |
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OutOfBoundsException::UNKNOWN_PROPERTY_NAME |
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); |
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} |
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/** |
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* Get a particular property cursor by its name |
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* |
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* @param string $name Property name |
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* |
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* @return int Property cursor |
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*/ |
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protected function getPropertyCursor($name) |
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{ |
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// Run through all property names |
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foreach ($this->names as $cursor => $iri) { |
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if (in_array($name, [$iri->name, strval($iri)])) { |
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return $cursor; |
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} |
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} |
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return $this->handleUnknownName($name); |
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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 \stdClass|Iri|string $iri IRI |
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* @param array $value Property values |
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*/ |
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public function offsetSet($iri, $value) |
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{ |
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$iri = IriFactory::create($iri); |
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$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 \stdClass|Iri|string $iri IRI |
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* |
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* @return array Property values |
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* @throws OutOfBoundsException If the property name is unknown |
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*/ |
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public function &offsetGet($iri) |
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{ |
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$iri = IriFactory::create($iri); |
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$cursor = ($iri->profile !== '') ? |
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$this->getProfiledPropertyCursor($iri) : $this->getPropertyCursor($iri->name); |
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return $this->values[$cursor]; |
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} |
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} |
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