This file is indexed.

/usr/share/php/Symfony/Component/CssSelector/Parser/Tokenizer/TokenizerPatterns.php is in php-symfony-css-selector 2.3.21+dfsg-4+deb8u3.

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
159
160
<?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\CssSelector\Parser\Tokenizer;

/**
 * CSS selector tokenizer patterns builder.
 *
 * This component is a port of the Python cssselector library,
 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
 *
 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
 */
class TokenizerPatterns
{
    /**
     * @var string
     */
    private $unicodeEscapePattern;

    /**
     * @var string
     */
    private $simpleEscapePattern;

    /**
     * @var string
     */
    private $newLineEscapePattern;

    /**
     * @var string
     */
    private $escapePattern;

    /**
     * @var string
     */
    private $stringEscapePattern;

    /**
     * @var string
     */
    private $nonAsciiPattern;

    /**
     * @var string
     */
    private $nmCharPattern;

    /**
     * @var string
     */
    private $nmStartPattern;

    /**
     * @var string
     */
    private $identifierPattern;

    /**
     * @var string
     */
    private $hashPattern;

    /**
     * @var string
     */
    private $numberPattern;

    /**
     * @var string
     */
    private $quotedStringPattern;

    /**
     * Constructor.
     */
    public function __construct()
    {
        $this->unicodeEscapePattern = '\\\\([0-9a-f]{1,6})(?:\r\n|[ \n\r\t\f])?';
        $this->simpleEscapePattern = '\\\\(.)';
        $this->newLineEscapePattern = '\\\\(?:\n|\r\n|\r|\f)';
        $this->escapePattern = $this->unicodeEscapePattern.'|\\\\[^\n\r\f0-9a-f]';
        $this->stringEscapePattern = $this->newLineEscapePattern.'|'.$this->escapePattern;
        $this->nonAsciiPattern = '[^\x00-\x7F]';
        $this->nmCharPattern = '[_a-z0-9-]|'.$this->escapePattern.'|'.$this->nonAsciiPattern;
        $this->nmStartPattern = '[_a-z]|'.$this->escapePattern.'|'.$this->nonAsciiPattern;
        $this->identifierPattern = '(?:'.$this->nmStartPattern.')(?:'.$this->nmCharPattern.')*';
        $this->hashPattern = '#((?:'.$this->nmCharPattern.')+)';
        $this->numberPattern = '[+-]?(?:[0-9]*\.[0-9]+|[0-9]+)';
        $this->quotedStringPattern = '([^\n\r\f%s]|'.$this->stringEscapePattern.')*';
    }

    /**
     * @return string
     */
    public function getNewLineEscapePattern()
    {
        return '~^'.$this->newLineEscapePattern.'~';
    }

    /**
     * @return string
     */
    public function getSimpleEscapePattern()
    {
        return '~^'.$this->simpleEscapePattern.'~';
    }

    /**
     * @return string
     */
    public function getUnicodeEscapePattern()
    {
        return '~^'.$this->unicodeEscapePattern.'~i';
    }

    /**
     * @return string
     */
    public function getIdentifierPattern()
    {
        return '~^'.$this->identifierPattern.'~i';
    }

    /**
     * @return string
     */
    public function getHashPattern()
    {
        return '~^'.$this->hashPattern.'~i';
    }

    /**
     * @return string
     */
    public function getNumberPattern()
    {
        return '~^'.$this->numberPattern.'~';
    }

    /**
     * @param string $quote
     *
     * @return string
     */
    public function getQuotedStringPattern($quote)
    {
        return '~^'.sprintf($this->quotedStringPattern, $quote).'~i';
    }
}