This file is indexed.

/usr/share/php/Symfony/Component/Translation/Catalogue/AbstractOperation.php is in php-symfony-translation 3.4.6+dfsg-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Translation\Catalogue;

use Symfony\Component\Translation\MessageCatalogue;
use Symfony\Component\Translation\MessageCatalogueInterface;
use Symfony\Component\Translation\Exception\InvalidArgumentException;
use Symfony\Component\Translation\Exception\LogicException;

/**
 * Base catalogues binary operation class.
 *
 * A catalogue binary operation performs operation on
 * source (the left argument) and target (the right argument) catalogues.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
abstract class AbstractOperation implements OperationInterface
{
    protected $source;
    protected $target;
    protected $result;

    /**
     * @var null|array The domains affected by this operation
     */
    private $domains;

    /**
     * This array stores 'all', 'new' and 'obsolete' messages for all valid domains.
     *
     * The data structure of this array is as follows:
     * ```php
     * array(
     *     'domain 1' => array(
     *         'all' => array(...),
     *         'new' => array(...),
     *         'obsolete' => array(...)
     *     ),
     *     'domain 2' => array(
     *         'all' => array(...),
     *         'new' => array(...),
     *         'obsolete' => array(...)
     *     ),
     *     ...
     * )
     * ```
     *
     * @var array The array that stores 'all', 'new' and 'obsolete' messages
     */
    protected $messages;

    /**
     * @throws LogicException
     */
    public function __construct(MessageCatalogueInterface $source, MessageCatalogueInterface $target)
    {
        if ($source->getLocale() !== $target->getLocale()) {
            throw new LogicException('Operated catalogues must belong to the same locale.');
        }

        $this->source = $source;
        $this->target = $target;
        $this->result = new MessageCatalogue($source->getLocale());
        $this->messages = array();
    }

    /**
     * {@inheritdoc}
     */
    public function getDomains()
    {
        if (null === $this->domains) {
            $this->domains = array_values(array_unique(array_merge($this->source->getDomains(), $this->target->getDomains())));
        }

        return $this->domains;
    }

    /**
     * {@inheritdoc}
     */
    public function getMessages($domain)
    {
        if (!in_array($domain, $this->getDomains())) {
            throw new InvalidArgumentException(sprintf('Invalid domain: %s.', $domain));
        }

        if (!isset($this->messages[$domain]['all'])) {
            $this->processDomain($domain);
        }

        return $this->messages[$domain]['all'];
    }

    /**
     * {@inheritdoc}
     */
    public function getNewMessages($domain)
    {
        if (!in_array($domain, $this->getDomains())) {
            throw new InvalidArgumentException(sprintf('Invalid domain: %s.', $domain));
        }

        if (!isset($this->messages[$domain]['new'])) {
            $this->processDomain($domain);
        }

        return $this->messages[$domain]['new'];
    }

    /**
     * {@inheritdoc}
     */
    public function getObsoleteMessages($domain)
    {
        if (!in_array($domain, $this->getDomains())) {
            throw new InvalidArgumentException(sprintf('Invalid domain: %s.', $domain));
        }

        if (!isset($this->messages[$domain]['obsolete'])) {
            $this->processDomain($domain);
        }

        return $this->messages[$domain]['obsolete'];
    }

    /**
     * {@inheritdoc}
     */
    public function getResult()
    {
        foreach ($this->getDomains() as $domain) {
            if (!isset($this->messages[$domain])) {
                $this->processDomain($domain);
            }
        }

        return $this->result;
    }

    /**
     * Performs operation on source and target catalogues for the given domain and
     * stores the results.
     *
     * @param string $domain The domain which the operation will be performed for
     */
    abstract protected function processDomain($domain);
}