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<?php |
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namespace Wikibase\JsonDumpReader\Iterator; |
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use Iterator; |
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/** |
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* Package private |
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* |
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* @licence GNU GPL v2+ |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class ObjectDumpIterator implements Iterator { |
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/** |
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* @var callable|null |
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*/ |
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private $errorReporter = null; |
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/** |
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* @var string|null |
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*/ |
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private $current = null; |
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/** |
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* @var Iterator |
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*/ |
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private $stringIterator; |
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public function __construct( Iterator $stringIterator ) { |
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$this->stringIterator = $stringIterator; |
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} |
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/** |
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* @param callable|null $errorReporter |
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*/ |
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public function onError( callable $errorReporter = null ) { |
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$this->errorReporter = $errorReporter; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function current() { |
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return $this->current; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function next() { |
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$this->stringIterator->next(); |
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$this->getCurrentFromString(); |
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return $this->current; |
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} |
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private function getCurrentFromString() { |
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while ( true ) { |
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$jsonString = $this->stringIterator->current(); |
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if ( $jsonString === null ) { |
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$this->current = null; |
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return; |
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} |
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$data = json_decode( $jsonString, true ); |
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if ( $data === null ) { |
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$this->reportError( json_last_error_msg() ); |
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$this->stringIterator->next(); |
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} |
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else { |
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$this->current = $data; |
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return; |
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} |
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} |
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} |
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private function reportError( $errorMessage ) { |
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if ( $this->errorReporter !== null ) { |
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call_user_func( $this->errorReporter, $errorMessage ); |
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} |
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} |
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public function key() { |
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return $this->stringIterator->key(); |
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} |
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public function valid() { |
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return $this->current !== null; |
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} |
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public function rewind() { |
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$this->current = null; |
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$this->stringIterator->rewind(); |
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$this->getCurrentFromString(); |
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} |
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} |
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JeroenDeDauw /
JsonDumpReader
