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<?php |
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namespace SPSS\Sav; |
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use SPSS\Buffer; |
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class Reader |
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{ |
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/** |
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* @var \SPSS\Sav\Record\Header |
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*/ |
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public $header; |
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/** |
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* @var \SPSS\Sav\Record\Variable[] |
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*/ |
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public $variables = []; |
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/** |
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* @var \SPSS\Sav\Record\ValueLabel[] |
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*/ |
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public $valueLabels = []; |
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/** |
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* @var array |
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*/ |
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public $documents = []; |
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/** |
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* @var \SPSS\Sav\Record\Info[] |
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*/ |
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public $info = []; |
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/** |
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* @var array |
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*/ |
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public $data = []; |
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/** |
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* @var \SPSS\Buffer |
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*/ |
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public $_buffer; |
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/** |
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* Reader constructor. |
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* |
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* @param \SPSS\Buffer $buffer |
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*/ |
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private function __construct(Buffer $buffer) |
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{ |
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$this->_buffer = $buffer; |
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$this->_buffer->context = $this; |
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} |
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/** |
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* @param string $file |
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* @return \SPSS\Sav\Reader |
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*/ |
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public static function fromFile($file) |
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{ |
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return new self(Buffer::factory(fopen($file, 'r'))); |
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} |
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/** |
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* @param string $str |
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* @return \SPSS\Sav\Reader |
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*/ |
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public static function fromString($str) |
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{ |
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return new self(Buffer::factory($str)); |
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} |
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/** |
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* @return $this |
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*/ |
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public function read() |
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{ |
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return $this->readHeader()->readBody()->readData(); |
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} |
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/** |
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* @return $this |
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*/ |
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public function readHeader() |
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{ |
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$this->header = Record\Header::fill($this->_buffer); |
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return $this; |
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} |
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/** |
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* @return $this |
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*/ |
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public function readBody() |
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{ |
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if (! $this->header) { |
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$this->readHeader(); |
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} |
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// TODO: refactory |
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$infoCollection = new Record\InfoCollection(); |
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do { |
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$recType = $this->_buffer->readInt(); |
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switch ($recType) { |
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case Record\Variable::TYPE: |
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$this->variables[] = Record\Variable::fill($this->_buffer); |
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break; |
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case Record\ValueLabel::TYPE: |
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$this->valueLabels[] = Record\ValueLabel::fill($this->_buffer, [ |
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// TODO: refactory |
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'variables' => $this->variables, |
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]); |
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break; |
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case Record\Info::TYPE: |
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$this->info = $infoCollection->fill($this->_buffer); |
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break; |
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case Record\Document::TYPE: |
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$this->documents = Record\Document::fill($this->_buffer)->toArray(); |
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break; |
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} |
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} while ($recType != Record\Data::TYPE); |
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return $this; |
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} |
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/** |
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* @return $this |
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129
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*/ |
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public function readData() |
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{ |
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$this->data = Record\Data::fill($this->_buffer)->toArray(); |
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return $this; |
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} |
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} |
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collecthor /
spss
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