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1<?php
2
3/**
4 * This file is part of PHPWord - A pure PHP library for reading and writing
5 * word processing documents.
6 *
7 * PHPWord is free software distributed under the terms of the GNU Lesser
8 * General Public License version 3 as published by the Free Software Foundation.
9 *
10 * For the full copyright and license information, please read the LICENSE
11 * file that was distributed with this source code. For the full list of
12 * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
13 *
14 * @see         https://github.com/PHPOffice/PHPWord
15 *
16 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
17 */
18
19namespace PhpOffice\PhpWord\Writer\EPub3\Style;
20
21use PhpOffice\PhpWord\Shared\XMLWriter;
22use PhpOffice\PhpWord\Writer\AbstractWriter;
23
24/**
25 * Abstract class for EPub3 styles.
26 */
27abstract class AbstractStyle
28{
29    /**
30     * Parent writer.
31     *
32     * @var AbstractWriter
33     */
34    protected $parentWriter;
35
36    /**
37     * XML Writer.
38     *
39     * @var XMLWriter
40     */
41    protected $xmlWriter;
42
43    /**
44     * Set parent writer.
45     */
46    public function setParentWriter(AbstractWriter $writer): self
47    {
48        $this->parentWriter = $writer;
49
50        return $this;
51    }
52
53    /**
54     * Set XML Writer.
55     */
56    public function setXmlWriter(XMLWriter $writer): self
57    {
58        $this->xmlWriter = $writer;
59
60        return $this;
61    }
62
63    /**
64     * Get parent writer.
65     */
66    public function getParentWriter(): AbstractWriter
67    {
68        return $this->parentWriter;
69    }
70
71    /**
72     * Write style content.
73     */
74    abstract public function write(): string;
75}