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<?php |
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/** |
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* CSVelte: Slender, elegant CSV for PHP. |
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* |
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* Inspired by Python's CSV module and Frictionless Data and the W3C's CSV |
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* standardization efforts, CSVelte was written in an effort to take all the |
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* suck out of working with CSV. |
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* |
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* @version v0.2.1 |
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* @copyright Copyright (c) 2016 Luke Visinoni <[email protected]> |
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* @author Luke Visinoni <[email protected]> |
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* @license https://github.com/deni-zen/csvelte/blob/master/LICENSE The MIT License (MIT) |
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*/ |
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namespace CSVelte\Traits; |
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use CSVelte\Exception\IOException; |
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use CSVelte\Exception\NotYetImplementedException; |
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/** |
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* IO IsSeekable Trait. |
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* |
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* Seek methods shared between CSVelte\IO classes. |
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* |
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* @package CSVelte |
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* @subpackage CSVelte\Traits |
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* @copyright (c) 2016, Luke Visinoni <[email protected]> |
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* @author Luke Visinoni <[email protected]> |
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* @since v0.2 |
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*/ |
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trait IsSeekable |
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{ |
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/** |
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* Seek to specific line (beginning). |
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* |
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* Seek to the line specified by $offset, starting from the $whence line. |
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* |
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* @param int $offset Offset to seek to |
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* @param int $whence Position from whence to seek from |
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* @param string $eol The line terminator string/char |
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* @return boolean True if successful |
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* @throws CSVelte\Exception\NotYetImplementedException because it isn't |
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* implemented yet |
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*/ |
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public function seekLine($offset, $whence = SEEK_SET, $eol = PHP_EOL) |
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{ |
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throw new NotYetImplementedException("This method not yet implemented."); |
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} |
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/** |
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* Assert that this file/stream object is readable. |
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* |
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* @return void |
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* @throws CSVelte\Exception\IOException if stream isn't readable |
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*/ |
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protected function assertIsSeekable() |
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{ |
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if (!$this->isSeekable()) { |
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throw new IOException("Stream not seekable", IOException::ERR_NOT_SEEKABLE); |
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} |
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} |
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abstract public function isSeekable(); |
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abstract public function seek($offset, $whence = SEEK_SET); |
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} |
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nozavroni /
csvelte
