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1<?php
2
3/**
4 * This file is part of PHPProject - A pure PHP library for reading and writing
5 * presentations documents.
6 *
7 * PHPProject 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 * @link        https://github.com/PHPOffice/PHPProject
15 * @copyright   2009-2014 PHPProject contributors
16 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
17 */
18
19declare(strict_types=1);
20
21namespace PhpOffice\PhpProject;
22
23/**
24 * IOFactory
25 */
26class IOFactory
27{
28    /**
29     * Autoresolve classes
30     *
31     * @var array
32     */
33    private static $autoResolveClasses = array('GanttProject');
34
35    /**
36     * Create writer
37     *
38     * @param PhpProject $phpProject
39     * @param string $name
40     * @return \PhpOffice\PhpProject\Writer\WriterInterface
41     */
42    public static function createWriter(PhpProject $phpProject, string $name = 'GanttProject'): Writer\WriterInterface
43    {
44        $class = 'PhpOffice\\PhpProject\\Writer\\' . $name;
45        return self::loadClass($class, $name, 'writer', $phpProject);
46    }
47
48    /**
49     * Create reader
50     *
51     * @param  string $name
52     * @return \PhpOffice\PhpProject\Reader\ReaderInterface
53     */
54    public static function createReader(string $name = 'GanttProject'): Reader\ReaderInterface
55    {
56        $class = 'PhpOffice\\PhpProject\\Reader\\' . $name;
57        return self::loadClass($class, $name, 'reader');
58    }
59
60    /**
61     * Loads PHPProject from file using automatic \PhpOffice\PhpProject\Reader\ReaderInterface resolution
62     *
63     * @param  string        $pFilename
64     * @return PhpProject
65     * @throws \Exception
66     */
67    public static function load(string $pFilename): PhpProject
68    {
69        // Try loading using self::$autoResolveClasses
70        foreach (self::$autoResolveClasses as $autoResolveClass) {
71            $reader = self::createReader($autoResolveClass);
72            if ($reader->canRead($pFilename)) {
73                return $reader->load($pFilename);
74            }
75        }
76
77        throw new \Exception("Could not automatically determine \PhpOffice\PhpProject\Reader\ReaderInterface for file.");
78    }
79
80    /**
81     * Load class
82     *
83     * @param string $class
84     * @param string $name
85     * @param string $type
86     * @param \PhpOffice\PhpProject\PhpProject $phpProject
87     * @throws \Exception
88     * @return \PhpOffice\PhpProject\Reader\ReaderInterface|\PhpOffice\PhpProject\Writer\WriterInterface
89     */
90    private static function loadClass(string $class, string $name, string $type, ?PhpProject $phpProject = null)
91    {
92        if (class_exists($class) && self::isConcreteClass($class)) {
93            if (is_null($phpProject)) {
94                return new $class();
95            } else {
96                return new $class($phpProject);
97            }
98        } else {
99            throw new \Exception('"'.$name.'" is not a valid '.$type.'.');
100        }
101    }
102
103    /**
104     * Is it a concrete class?
105     *
106     * @param string $class
107     * @return bool
108     */
109    private static function isConcreteClass(string $class): bool
110    {
111        $reflection = new \ReflectionClass($class);
112
113        return !$reflection->isAbstract() && !$reflection->isInterface();
114    }
115}