CsvRcfWriter.php
8 years ago
CsvRfcUtils.php
8 years ago
CsvRfcWriteStreamFilter.php
8 years ago
CsvWriter.php
6 years ago
CsvRfcWriteStreamFilter.php
80 lines
| 1 | <?php |
| 2 | |
| 3 | /* |
| 4 | * AJGL CSV RFC Component |
| 5 | * |
| 6 | * Copyright (C) Antonio J. García Lagar <aj@garcialagar.es> |
| 7 | * |
| 8 | * For the full copyright and license information, please view the LICENSE |
| 9 | * file that was distributed with this source code. |
| 10 | */ |
| 11 | |
| 12 | namespace Wpae\Csv; |
| 13 | |
| 14 | class CsvRfcWriteStreamFilter extends \php_user_filter |
| 15 | { |
| 16 | const FILTERNAME_DEFAULT = 'csv.rfc.write'; |
| 17 | |
| 18 | private $filternameEnclosure = '"'; |
| 19 | |
| 20 | /** |
| 21 | * @param string $filtername |
| 22 | * |
| 23 | * @return bool |
| 24 | */ |
| 25 | public static function register($filtername = self::FILTERNAME_DEFAULT) |
| 26 | { |
| 27 | return stream_filter_register($filtername, 'Ajgl\Csv\Rfc\CsvRfcWriteStreamFilter'); |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * @return bool |
| 32 | */ |
| 33 | public function onCreate() |
| 34 | { |
| 35 | $this->extractEnclosureFromFilternameIfAvailable(); |
| 36 | |
| 37 | return true; |
| 38 | } |
| 39 | |
| 40 | private function extractEnclosureFromFilternameIfAvailable() |
| 41 | { |
| 42 | if (strlen($this->filtername) === strlen(self::FILTERNAME_DEFAULT) + 2 && strpos($this->filtername, self::FILTERNAME_DEFAULT.'.') === 0) { |
| 43 | $this->filternameEnclosure = substr($this->filtername, -1); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * @param resource $in |
| 49 | * @param resource $out |
| 50 | * @param int $consumed |
| 51 | * @param bool $closing |
| 52 | * |
| 53 | * @return int |
| 54 | */ |
| 55 | public function filter($in, $out, &$consumed, $closing) |
| 56 | { |
| 57 | $enclosure = $this->resolveEnclosure(); |
| 58 | |
| 59 | while ($bucket = stream_bucket_make_writeable($in)) { |
| 60 | $bucket->data = CsvRfcUtils::fixEnclosureEscape($enclosure, $bucket->data); |
| 61 | $consumed += $bucket->datalen; |
| 62 | stream_bucket_append($out, $bucket); |
| 63 | } |
| 64 | |
| 65 | return PSFS_PASS_ON; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * @return string |
| 70 | */ |
| 71 | private function resolveEnclosure() |
| 72 | { |
| 73 | if (is_array($this->params) && isset($this->params['enclosure']) && strlen($this->params['enclosure']) === 1) { |
| 74 | return $this->params['enclosure']; |
| 75 | } |
| 76 | |
| 77 | return $this->filternameEnclosure; |
| 78 | } |
| 79 | } |
| 80 |