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<?php |
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namespace Box\Spout\Reader\CSV; |
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use Box\Spout\Reader\AbstractReader; |
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use Box\Spout\Common\Exception\IOException; |
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use Box\Spout\Common\Helper\EncodingHelper; |
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/** |
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* Class Reader |
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* This class provides support to read data from a CSV file. |
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* |
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* @package Box\Spout\Reader\CSV |
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*/ |
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class Reader extends AbstractReader |
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{ |
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/** @var resource Pointer to the file to be written */ |
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protected $filePointer; |
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/** @var SheetIterator To iterator over the CSV unique "sheet" */ |
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protected $sheetIterator; |
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/** @var string Defines the character used to delimit fields (one character only) */ |
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protected $fieldDelimiter = ','; |
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/** @var string Defines the character used to enclose fields (one character only) */ |
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protected $fieldEnclosure = '"'; |
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/** @var string Encoding of the CSV file to be read */ |
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protected $encoding = EncodingHelper::ENCODING_UTF8; |
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/** @var string Defines the End of line */ |
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protected $endOfLineCharacter = "\n"; |
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/** @var string */ |
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protected $autoDetectLineEndings; |
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/** |
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* Sets the field delimiter for the CSV. |
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* Needs to be called before opening the reader. |
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* |
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* @param string $fieldDelimiter Character that delimits fields |
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* @return Reader |
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*/ |
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public function setFieldDelimiter($fieldDelimiter) |
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{ |
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$this->fieldDelimiter = $fieldDelimiter; |
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return $this; |
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} |
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/** |
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* Sets the field enclosure for the CSV. |
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* Needs to be called before opening the reader. |
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* |
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* @param string $fieldEnclosure Character that enclose fields |
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* @return Reader |
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*/ |
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public function setFieldEnclosure($fieldEnclosure) |
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{ |
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$this->fieldEnclosure = $fieldEnclosure; |
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return $this; |
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} |
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/** |
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* Sets the encoding of the CSV file to be read. |
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* Needs to be called before opening the reader. |
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* |
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* @param string $encoding Encoding of the CSV file to be read |
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* @return Reader |
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*/ |
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public function setEncoding($encoding) |
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{ |
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$this->encoding = $encoding; |
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return $this; |
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} |
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/** |
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* Sets the EOL for the CSV. |
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* Needs to be called before opening the reader. |
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* |
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* @param string $endOfLineCharacter used to properly get lines from the CSV file. |
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* @return Reader |
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*/ |
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public function setEndOfLineCharacter($endOfLineCharacter) |
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{ |
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$this->endOfLineCharacter = $endOfLineCharacter; |
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return $this; |
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} |
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/** |
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* Returns whether stream wrappers are supported |
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* |
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* @return bool |
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*/ |
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protected function doesSupportStreamWrapper() |
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{ |
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return true; |
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} |
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/** |
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* Opens the file at the given path to make it ready to be read. |
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* If setEncoding() was not called, it assumes that the file is encoded in UTF-8. |
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* |
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* @param string $filePath Path of the CSV file to be read |
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* @return void |
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* @throws \Box\Spout\Common\Exception\IOException |
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*/ |
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protected function openReader($filePath) |
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{ |
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$this->autoDetectLineEndings = ini_get('auto_detect_line_endings'); |
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ini_set('auto_detect_line_endings', '1'); |
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$this->filePointer = $this->globalFunctionsHelper->fopen($filePath, 'r'); |
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if (!$this->filePointer) { |
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throw new IOException("Could not open file $filePath for reading."); |
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} |
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$this->sheetIterator = new SheetIterator( |
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$this->filePointer, |
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$this->fieldDelimiter, |
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$this->fieldEnclosure, |
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$this->encoding, |
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$this->endOfLineCharacter, |
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$this->globalFunctionsHelper |
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); |
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} |
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/** |
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* Returns an iterator to iterate over sheets. |
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* |
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* @return SheetIterator To iterate over sheets |
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*/ |
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public function getConcreteSheetIterator() |
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{ |
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return $this->sheetIterator; |
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} |
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/** |
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* Closes the reader. To be used after reading the file. |
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* |
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* @return void |
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*/ |
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protected function closeReader() |
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{ |
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if ($this->filePointer) { |
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$this->globalFunctionsHelper->fclose($this->filePointer); |
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} |
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ini_set('auto_detect_line_endings', $this->autoDetectLineEndings); |
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} |
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} |
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box /
spout
