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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (http://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 7 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 8 | * @license http://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Pdf\Build; |
| 15 | |
| 16 | use Pop\Pdf\Document\AbstractDocument; |
| 17 | |
| 18 | /** |
| 19 | * Abstract Pdf parser class |
| 20 | * |
| 21 | * @category Pop |
| 22 | * @package Pop\Pdf |
| 23 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 24 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 25 | * @license http://www.popphp.org/license New BSD License |
| 26 | * @version 5.0.0 |
| 27 | */ |
| 28 | abstract class AbstractParser implements ParserInterface |
| 29 | { |
| 30 | |
| 31 | /** |
| 32 | * Imported PDF file |
| 33 | * @var ?string |
| 34 | */ |
| 35 | protected ?string $file = null; |
| 36 | |
| 37 | /** |
| 38 | * Imported PDF data stream |
| 39 | * @var ?string |
| 40 | */ |
| 41 | protected ?string $data = null; |
| 42 | |
| 43 | /** |
| 44 | * Get the file |
| 45 | * |
| 46 | * @return string |
| 47 | */ |
| 48 | public function getFile(): string |
| 49 | { |
| 50 | return $this->file; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Get the data stream |
| 55 | * |
| 56 | * @return string |
| 57 | */ |
| 58 | public function getData(): string |
| 59 | { |
| 60 | return $this->data; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Get the object stream type |
| 65 | * |
| 66 | * @param string $stream |
| 67 | * @return string |
| 68 | */ |
| 69 | protected function getStreamType(string $stream): string |
| 70 | { |
| 71 | if ((str_contains($stream, '/Catalog')) && (str_contains($stream, '/Pages'))) { |
| 72 | $type = 'root'; |
| 73 | } else if ((str_contains($stream, '/Count')) && (str_contains($stream, '/Kids'))) { |
| 74 | $type = 'parent'; |
| 75 | } else if ((str_contains($stream, '/Parent')) && (str_contains($stream, '/MediaBox'))) { |
| 76 | $type = 'page'; |
| 77 | } else if ((str_contains($stream, '/Creator')) || (str_contains($stream, '/CreationDate')) || |
| 78 | (str_contains($stream, '/ModDate')) || (str_contains($stream, '/Author')) || |
| 79 | (str_contains($stream, '/Title')) || (str_contains($stream, '/Subject')) || |
| 80 | (str_contains($stream, '/Producer'))) { |
| 81 | $type = 'info'; |
| 82 | } else { |
| 83 | $type = 'stream'; |
| 84 | } |
| 85 | |
| 86 | return $type; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Parse the PDF data |
| 91 | * |
| 92 | * @param mixed $pages |
| 93 | * @return AbstractDocument |
| 94 | */ |
| 95 | abstract public function parse(mixed $pages = null): AbstractDocument; |
| 96 | |
| 97 | } |