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1<?php
2
3declare(strict_types=1);
4
5namespace Phpdftk\Pdf\Core\Document;
6
7use Phpdftk\Pdf\Core\PdfDictionary;
8use Phpdftk\Pdf\Core\PdfObject;
9use Phpdftk\Pdf\Core\PdfReference;
10use Phpdftk\Pdf\Core\PdfVersion;
11use Phpdftk\Pdf\Core\RequiresPdfVersion;
12
13/**
14 * Document Names dictionary — ISO 32000-2 §7.7.4, Table 33.
15 *
16 * Referenced from `Catalog::$names`. Each entry is a reference to a
17 * name tree mapping a string key to the relevant object type.
18 */
19#[RequiresPdfVersion(PdfVersion::V1_4)]
20class NamesDictionary extends PdfObject
21{
22    public ?PdfReference $dests = null;                  // /Dests
23    public ?PdfReference $ap = null;                     // /AP
24    public ?PdfReference $javaScript = null;             // /JavaScript
25    public ?PdfReference $pages = null;                  // /Pages
26    public ?PdfReference $templates = null;              // /Templates
27    public ?PdfReference $ids = null;                    // /IDS
28    public ?PdfReference $urls = null;                   // /URLS
29    public ?PdfReference $embeddedFiles = null;          // /EmbeddedFiles
30    public ?PdfReference $alternatePresentations = null; // /AlternatePresentations
31    public ?PdfReference $renditions = null;             // /Renditions
32
33    public function toPdf(): string
34    {
35        $dict = new PdfDictionary();
36        if ($this->dests !== null) {
37            $dict->set('Dests', $this->dests);
38        }
39        if ($this->ap !== null) {
40            $dict->set('AP', $this->ap);
41        }
42        if ($this->javaScript !== null) {
43            $dict->set('JavaScript', $this->javaScript);
44        }
45        if ($this->pages !== null) {
46            $dict->set('Pages', $this->pages);
47        }
48        if ($this->templates !== null) {
49            $dict->set('Templates', $this->templates);
50        }
51        if ($this->ids !== null) {
52            $dict->set('IDS', $this->ids);
53        }
54        if ($this->urls !== null) {
55            $dict->set('URLS', $this->urls);
56        }
57        if ($this->embeddedFiles !== null) {
58            $dict->set('EmbeddedFiles', $this->embeddedFiles);
59        }
60        if ($this->alternatePresentations !== null) {
61            $dict->set('AlternatePresentations', $this->alternatePresentations);
62        }
63        if ($this->renditions !== null) {
64            $dict->set('Renditions', $this->renditions);
65        }
66        return $dict->toPdf();
67    }
68}