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<?php |
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namespace ByJG\AnyDataset\Dataset; |
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class SocketIterator extends GenericIterator |
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{ |
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private $colsep = null; |
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private $rowsep = null; |
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private $fields = null; //Array |
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private $handle = null; |
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private $rows = null; |
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private $current = 0; |
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/** |
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* |
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* @param resource $handle |
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* @param array $fieldnames |
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* @param string $rowsep |
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* @param string $colsep |
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*/ |
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public function __construct($handle, $fieldnames, $rowsep, $colsep) |
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{ |
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$this->rowsep = $rowsep; |
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$this->colsep = $colsep; |
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$this->fields = $fieldnames; |
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$this->handle = $handle; |
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$header = true; |
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while (!feof($this->handle) && $header) { |
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$x = fgets($this->handle); |
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$header = (trim($x) != ""); |
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} |
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$linha = ""; |
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while (!feof($this->handle)) { |
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$x = fgets($this->handle, 4096); |
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if ((trim($x) != "") && (strpos($x, $this->colsep) > 0)) { |
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$linha .= $x; |
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} |
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} |
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$this->rows = array(); |
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$rowsaux = preg_split("/" . $this->rowsep . "/", $linha); |
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sort($rowsaux); |
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foreach ($rowsaux as $value) { |
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$colsaux = preg_split("/" . $this->colsep . "/", $value); |
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if (count($colsaux) == count($fieldnames)) { |
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$this->rows[] = $value; |
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} |
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} |
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fclose($this->handle); |
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} |
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public function count() |
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{ |
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return count($this->rows); |
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} |
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/** |
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* @access public |
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* @return bool |
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*/ |
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public function hasNext() |
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{ |
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if ($this->current < $this->count()) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @access public |
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* @return Row |
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*/ |
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public function moveNext() |
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{ |
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$cols = preg_split("/" . $this->colsep . "/", $this->rows[$this->current]); |
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$this->current++; |
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$sr = new Row(); |
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$cntFields = count($this->fields); |
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for ($i = 0; $i < $cntFields; $i++) { |
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$sr->addField(strtolower($this->fields[$i]), $cols[$i]); |
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} |
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return $sr; |
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} |
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public function key() |
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{ |
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return $this->current; |
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} |
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} |
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byjg /
anydataset
