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Name	Size	Permission
Catalogue	[ DIR ]	drwxr-xr-x
Command	[ DIR ]	drwxr-xr-x
DataCollector	[ DIR ]	drwxr-xr-x
DependencyInjection	[ DIR ]	drwxr-xr-x
Dumper	[ DIR ]	drwxr-xr-x
Exception	[ DIR ]	drwxr-xr-x
Extractor	[ DIR ]	drwxr-xr-x
Formatter	[ DIR ]	drwxr-xr-x
Loader	[ DIR ]	drwxr-xr-x
Reader	[ DIR ]	drwxr-xr-x
Resources	[ DIR ]	drwxr-xr-x
Tests	[ DIR ]	drwxr-xr-x
Util	[ DIR ]	drwxr-xr-x
Writer	[ DIR ]	drwxr-xr-x
CHANGELOG.md	3.19 KB	-rw-r--r--
DataCollectorTranslator.php	4.75 KB	-rw-r--r--
IdentityTranslator.php	1.42 KB	-rw-r--r--
Interval.php	2.8 KB	-rw-r--r--
LICENSE	1.04 KB	-rw-r--r--
LoggingTranslator.php	3.5 KB	-rw-r--r--
MessageCatalogue.php	6.54 KB	-rw-r--r--
MessageCatalogueInterface.php	3.56 KB	-rw-r--r--
MessageSelector.php	3.34 KB	-rw-r--r--
MetadataAwareInterface.php	1.51 KB	-rw-r--r--
PluralizationRules.php	5.97 KB	-rw-r--r--
README.md	833 B	-rw-r--r--
Translator.php	13.5 KB	-rw-r--r--
TranslatorBagInterface.php	802 B	-rw-r--r--
TranslatorInterface.php	2.2 KB	-rw-r--r--
composer.json	1.36 KB	-rw-r--r--
phpunit.xml.dist	838 B	-rw-r--r--

Code Editor : Interval.php

<?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;

use Symfony\Component\Translation\Exception\InvalidArgumentException;

/**
 * Tests if a given number belongs to a given math interval.
 *
 * An interval can represent a finite set of numbers:
 *
 *  {1,2,3,4}
 *
 * An interval can represent numbers between two numbers:
 *
 *  [1, +Inf]
 *  ]-1,2[
 *
 * The left delimiter can be [ (inclusive) or ] (exclusive).
 * The right delimiter can be [ (exclusive) or ] (inclusive).
 * Beside numbers, you can use -Inf and +Inf for the infinite.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @see    http://en.wikipedia.org/wiki/Interval_%28mathematics%29#The_ISO_notation
 */
class Interval
{
    /**
     * Tests if the given number is in the math interval.
     *
     * @param int    $number   A number
     * @param string $interval An interval
     *
     * @return bool
     *
     * @throws InvalidArgumentException
     */
    public static function test($number, $interval)
    {
        $interval = trim($interval);

if (!preg_match('/^'.self::getIntervalRegexp().'$/x', $interval, $matches)) {
            throw new InvalidArgumentException(sprintf('"%s" is not a valid interval.', $interval));
        }

if ($matches[1]) {
            foreach (explode(',', $matches[2]) as $n) {
                if ($number == $n) {
                    return true;
                }
            }
        } else {
            $leftNumber = self::convertNumber($matches['left']);
            $rightNumber = self::convertNumber($matches['right']);

return
                ('[' === $matches['left_delimiter'] ? $number >= $leftNumber : $number > $leftNumber)
                && (']' === $matches['right_delimiter'] ? $number <= $rightNumber : $number < $rightNumber)
            ;
        }

return false;
    }

/**
     * Returns a Regexp that matches valid intervals.
     *
     * @return string A Regexp (without the delimiters)
     */
    public static function getIntervalRegexp()
    {
        return <<<EOF
        ({\s*
            (\-?\d+(\.\d+)?[\s*,\s*\-?\d+(\.\d+)?]*)
        \s*})

(?P<left_delimiter>[\[\]])
            \s*
            (?P<left>-Inf|\-?\d+(\.\d+)?)
            \s*,\s*
            (?P<right>\+?Inf|\-?\d+(\.\d+)?)
            \s*
        (?P<right_delimiter>[\[\]])
EOF;
    }

private static function convertNumber($number)
    {
        if ('-Inf' === $number) {
            return log(0);
        } elseif ('+Inf' === $number || 'Inf' === $number) {
            return -log(0);
        }

return (float) $number;
    }
}

${this.title}

Code Editor : Interval.php