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<?php |
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/** |
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* BaconPdf |
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* |
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* @link http://github.com/Bacon/BaconPdf For the canonical source repository |
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* @copyright 2015 Ben 'DASPRiD' Scholzen |
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* @license http://opensource.org/licenses/BSD-2-Clause Simplified BSD License |
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*/ |
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namespace Bacon\Pdf\Object; |
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use Bacon\Pdf\Exception\OutOfBoundsException; |
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use IteratorAggregate; |
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use SplFileObject; |
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/** |
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* Dictionary object as defined by section 3.2.6 |
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*/ |
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class DictionaryObject extends AbstractObject implements IteratorAggregate |
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{ |
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/** |
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* @var ObjectInterface[] |
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*/ |
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private $objects; |
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/** |
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* @param ObjectInterface[] $objects |
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*/ |
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public function __construct(array $objects) |
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{ |
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foreach ($objects as $key => $object) { |
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$this->set($key, $object); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeToStream(SplFileObject $fileObject, $encryptionKey) |
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{ |
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$fileObject->fwrite("<<\n"); |
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foreach ($this->items as $key => $value) { |
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(new NameObject($key))->writeToStream($fileObject, $encryptionKey); |
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$fileObject->fwrite(' '); |
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$value->writeToStream($fileObject, $encryptionKey); |
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} |
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$fileObject->fwrite('>>'); |
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} |
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/** |
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* Checks whether an object with a given key eixsts. |
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* |
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* @param string $key |
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* @return bool |
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*/ |
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public function has($key) |
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{ |
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return array_key_exists($key, $this->objects); |
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} |
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/** |
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* Returns an object with the given key. |
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* |
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* @param string $key |
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* @return ObjectInterface |
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* @throws OutOfBoundsException |
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*/ |
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public function get($key) |
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{ |
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if (!array_key_exists($key, $this->objects)) { |
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throw new OutOfBoundsException(sprintf( |
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'Could not find an object with key %s', |
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$key |
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)); |
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} |
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return $this->objects[$key]; |
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} |
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/** |
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* Sets an object with the given key. |
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* |
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* @param string $key |
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* @param ObjectInterface $object |
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*/ |
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public function set($key, ObjectInterface $object) |
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{ |
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$this->objects[$key] = $object; |
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} |
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/** |
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* Removes an object with the given key. |
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* |
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* @param string $key |
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*/ |
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public function remove($key) |
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{ |
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unset($this->objects[$key]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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foreach ($this->items as $index => $item) { |
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yield $index => $item; |
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} |
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} |
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} |
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Bacon /
BaconPdf
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: