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<?php |
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/** |
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* Platine Framework |
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* |
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* Platine Framework is a lightweight, high-performance, simple and elegant |
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* PHP Web framework |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2020 Platine Framework |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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/** |
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* @file CsvReader.php |
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* |
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* The CSV Parser reader class |
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* |
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* @package Platine\Framework\Helper |
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* @author Platine Developers team |
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* @copyright Copyright (c) 2020 |
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* @license http://opensource.org/licenses/MIT MIT License |
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* @link https://www.platine-php.com |
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* @version 1.0.0 |
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* @filesource |
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*/ |
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declare(strict_types=1); |
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namespace Platine\Framework\Helper; |
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use InvalidArgumentException; |
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/** |
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* @class CsvReader |
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* @package Platine\Framework\Helper |
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*/ |
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class CsvReader |
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{ |
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/** |
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* The valid delimiters list |
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* @var array<string> |
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*/ |
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protected array $validDelimiters = [',', ';', "\t", '|', ':']; |
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/** |
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* The CSV file to be used |
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* @var string |
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*/ |
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protected string $file; |
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/** |
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* The parsed CSV data |
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* @var array<int, array<string, mixed>> |
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*/ |
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protected array $data = []; |
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/** |
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* The headers columns names |
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* @var array<string> |
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*/ |
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protected array $headers = []; |
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/** |
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* Setting to 0 makes the maximum |
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* line length not limited |
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* @var int<0, max> |
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*/ |
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protected int $limit = 0; |
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/** |
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* The CSV delimiter for each field |
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* @var string |
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*/ |
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protected string $delimiter = ';'; |
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/** |
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* The CSV field enclosure |
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* @var string |
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*/ |
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protected string $enclosure = '"'; |
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/** |
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* The escape character |
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* @var string |
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*/ |
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protected string $escape = '\\'; |
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/** |
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* Return the data list |
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* @return array<int, array<string, mixed>> |
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*/ |
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public function all(): array |
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{ |
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return $this->data; |
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} |
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/** |
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* Return the total of CSV rows |
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* @return int |
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*/ |
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public function count(): int |
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{ |
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return count($this->data); |
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} |
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/** |
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* Return the header list |
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* @return array<string> |
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*/ |
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public function getHeaders(): array |
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{ |
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return $this->headers; |
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} |
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/** |
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* Return the limit |
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* @return int<0, max> |
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*/ |
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public function getLimit(): int |
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{ |
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return $this->limit; |
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} |
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/** |
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* Return the delimiter |
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* @return string |
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*/ |
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public function getDelimiter(): string |
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{ |
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return $this->delimiter; |
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} |
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/** |
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* Set the file to be parsed |
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* @param string $file |
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* @return $this |
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*/ |
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public function setFile(string $file): self |
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{ |
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$this->checkFile($file); |
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$this->file = $file; |
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return $this; |
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} |
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/** |
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* The parse limit |
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* @param int<0, max> $limit |
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* @return $this |
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*/ |
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public function setLimit(int $limit): self |
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{ |
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$this->limit = $limit; |
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return $this; |
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} |
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/** |
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* Set the field delimiter |
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* @param string $delimiter |
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* @return $this |
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*/ |
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public function setDelimiter(string $delimiter): self |
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{ |
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if (in_array($delimiter, $this->validDelimiters) === false) { |
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throw new InvalidArgumentException(sprintf( |
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'Invalid delimiter [%s], must be one of [%s]', |
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$delimiter, |
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implode(',', $this->validDelimiters) |
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)); |
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} |
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$this->delimiter = $delimiter; |
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return $this; |
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} |
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/** |
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* Return the field enclosure |
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* @return string |
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*/ |
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public function getEnclosure(): string |
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{ |
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return $this->enclosure; |
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} |
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/** |
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* Return the escape character |
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* @return string |
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*/ |
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public function getEscape(): string |
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{ |
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return $this->escape; |
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} |
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/** |
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* Set field enclosure |
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* @param string $enclosure |
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* @return $this |
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*/ |
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public function setEnclosure(string $enclosure): self |
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{ |
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$this->enclosure = $enclosure; |
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return $this; |
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} |
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/** |
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* Set the escape character |
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* @param string $escape |
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* @return $this |
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*/ |
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public function setEscape(string $escape): self |
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{ |
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$this->escape = $escape; |
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return $this; |
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} |
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/** |
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* Parse the CSV file |
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* @return $this |
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*/ |
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public function parse(): self |
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{ |
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$fp = fopen($this->file, 'r'); |
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if ($fp === false) { |
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throw new InvalidArgumentException(sprintf( |
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'The file [%s] does not exist or is not readable', |
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$this->file |
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)); |
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} |
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$i = 0; |
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while ( |
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($data = fgetcsv( |
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$fp, |
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$this->limit, |
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$this->delimiter, |
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$this->enclosure, |
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$this->escape |
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)) !== false |
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) { |
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// skip all empty lines |
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if ($data[0] !== null) { |
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if ($i === 0) { |
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$this->headers = array_map([$this, 'sanitize'], $data); |
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} else { |
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$this->data[] = array_combine($this->headers, $data); |
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} |
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$i++; |
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} |
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} |
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fclose($fp); |
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return $this; |
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} |
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/** |
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* Validate the given file |
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* @param string $file |
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* @return void |
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*/ |
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protected function checkFile(string $file): void |
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{ |
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if (file_exists($file) === false) { |
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throw new InvalidArgumentException(sprintf( |
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'The file [%s] does not exist', |
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$file |
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)); |
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} |
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} |
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/** |
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* Sanitize the given string |
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* @param string $value |
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* @return string |
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*/ |
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private function sanitize(string $value): string |
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{ |
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return (string) preg_replace('/\xEF\xBB\xBF/', '', $value); |
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} |
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} |
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