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<?php |
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/** |
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* @author stev leibelt <[email protected]> |
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* @since 2015-05-06 |
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*/ |
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namespace Net\Bazzline\Component\Csv; |
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use SplFileObject; |
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abstract class AbstractBase implements BaseInterface |
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{ |
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/** @var string */ |
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private $delimiter = ','; |
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/** @var string */ |
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private $enclosure = '"'; |
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/** @var string */ |
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private $escapeCharacter = '\\'; |
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/** @var false|array */ |
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private $headline = false; |
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/** @var SplFileObject */ |
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private $handler; |
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/** @var string */ |
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private $path; |
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/** |
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* @return bool |
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*/ |
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public function hasHeadline() |
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{ |
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return ($this->headline !== false); |
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} |
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/** |
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* @param string $delimiter |
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* @throws InvalidArgumentException |
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*/ |
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public function setDelimiter($delimiter) |
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{ |
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$this->assertIsASingleCharacterString($delimiter, 'delimiter'); |
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$this->delimiter = $delimiter; |
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$this->updateCsvControl(); |
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} |
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/** |
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* @param string $enclosure |
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* @throws InvalidArgumentException |
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*/ |
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public function setEnclosure($enclosure) |
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{ |
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$this->assertIsASingleCharacterString($enclosure, 'enclosure'); |
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$this->enclosure = $enclosure; |
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$this->updateCsvControl(); |
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} |
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/** |
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* @param string $escapeCharacter |
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* @throws InvalidArgumentException |
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*/ |
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public function setEscapeCharacter($escapeCharacter) |
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{ |
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$this->assertIsASingleCharacterString($escapeCharacter, 'escapeCharacter'); |
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$this->escapeCharacter = $escapeCharacter; |
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$this->updateCsvControl(); |
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} |
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/** |
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* @param string $path |
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* @return $this |
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* @throws InvalidArgumentException |
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* @todo implement validation |
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*/ |
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public function setPath($path) |
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{ |
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$this->path = $path; |
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$this->handler = $this->open($path); |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getDelimiter() |
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{ |
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return $this->delimiter; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getEnclosure() |
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{ |
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return $this->enclosure; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getEscapeCharacter() |
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{ |
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return $this->escapeCharacter; |
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} |
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/** |
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* @return SplFileObject|resource |
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*/ |
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protected function getFileHandler() |
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{ |
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return $this->handler; |
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} |
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/** |
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* @return string |
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*/ |
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abstract protected function getFileHandlerOpenMode(); |
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/** |
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* @return array|false |
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*/ |
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protected function getHeadline() |
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{ |
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return $this->headline; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getPath() |
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{ |
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return $this->path; |
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} |
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/** |
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* @return $this |
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*/ |
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protected function resetHeadline() |
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{ |
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$this->headline = false; |
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return $this; |
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} |
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/** |
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* @param array $headline |
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* @return $this |
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*/ |
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protected function setHeadline(array $headline) |
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{ |
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$this->headline = $headline; |
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return $this; |
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} |
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protected function close() |
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{ |
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if (!is_null($this->handler)) { |
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$this->headline = null; |
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} |
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} |
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/** |
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* @param string $path |
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* @return SplFileObject |
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* @todo inject or inject factory |
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*/ |
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protected function open($path) |
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{ |
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$file = new SplFileObject($path, $this->getFileHandlerOpenMode()); |
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$file->setFlags(SplFileObject::READ_CSV | SplFileObject::DROP_NEW_LINE | SplFileObject::SKIP_EMPTY); |
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return $file; |
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} |
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/** |
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* @param string $variable |
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* @param string $name |
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* @throws InvalidArgumentException |
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*/ |
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private function assertIsASingleCharacterString($variable, $name) |
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{ |
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if (!is_string($variable)) { |
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$message = $name . ' must be of type "string"'; |
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throw new InvalidArgumentException($message); |
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} |
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if (strlen($variable) != 1) { |
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$message = $name . ' must be a single character'; |
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throw new InvalidArgumentException($message); |
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} |
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} |
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private function updateCsvControl() |
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{ |
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$file = $this->getFileHandler(); |
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if ($file instanceof SplFileObject) { |
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$file->setCsvControl( |
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$this->getDelimiter(), |
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$this->getEnclosure(), |
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$this->getEscapeCharacter() |
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); |
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} |
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} |
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} |