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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\RTF\Element;
20
21/**
22 * Ruby element RTF writer. Writes {baseText} ({rubyText}) in current paragraph style
23 * because RTF does not natively support ruby text.
24 */
25class Ruby extends AbstractElement
26{
27    /**
28     * Write element.
29     *
30     * @return string
31     */
32    public function write()
33    {
34        /** @var \PhpOffice\PhpWord\Element\Ruby $element */
35        $element = $this->element;
36        $elementClass = str_replace('\\Writer\\RTF', '', static::class);
37        if (!$element instanceof $elementClass || !is_string($element->getBaseTextRun()->getText())) {
38            return '';
39        }
40
41        $this->getStyles();
42
43        $content = '';
44        $content .= $this->writeOpening();
45        $content .= '{';
46        $content .= $this->writeFontStyle();
47        $content .= $this->writeText($element->getBaseTextRun()->getText());
48        $rubyText = $element->getRubyTextRun()->getText();
49        if ($rubyText !== '') {
50            $content .= ' (';
51            $content .= $this->writeText($rubyText);
52            $content .= ')';
53        }
54        $content .= '}';
55        $content .= $this->writeClosing();
56
57        return $content;
58    }
59}