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Direktori : /proc/thread-self/root/home2/selectio/www/3idiotsgadgetstore.in/vendor/symfony/yaml/ |
Current File : //proc/thread-self/root/home2/selectio/www/3idiotsgadgetstore.in/vendor/symfony/yaml/Escaper.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\Yaml; /** * Escaper encapsulates escaping rules for single and double-quoted * YAML strings. * * @author Matthew Lewinski <matthew@lewinski.org> * * @internal */ class Escaper { // Characters that would cause a dumped string to require double quoting. public const REGEX_CHARACTER_TO_ESCAPE = "[\\x00-\\x1f]|\x7f|\xc2\x85|\xc2\xa0|\xe2\x80\xa8|\xe2\x80\xa9"; // Mapping arrays for escaping a double quoted string. The backslash is // first to ensure proper escaping because str_replace operates iteratively // on the input arrays. This ordering of the characters avoids the use of strtr, // which performs more slowly. private const ESCAPEES = ['\\', '\\\\', '\\"', '"', "\x00", "\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", "\x09", "\x0a", "\x0b", "\x0c", "\x0d", "\x0e", "\x0f", "\x10", "\x11", "\x12", "\x13", "\x14", "\x15", "\x16", "\x17", "\x18", "\x19", "\x1a", "\x1b", "\x1c", "\x1d", "\x1e", "\x1f", "\x7f", "\xc2\x85", "\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9", ]; private const ESCAPED = ['\\\\', '\\"', '\\\\', '\\"', '\\0', '\\x01', '\\x02', '\\x03', '\\x04', '\\x05', '\\x06', '\\a', '\\b', '\\t', '\\n', '\\v', '\\f', '\\r', '\\x0e', '\\x0f', '\\x10', '\\x11', '\\x12', '\\x13', '\\x14', '\\x15', '\\x16', '\\x17', '\\x18', '\\x19', '\\x1a', '\\e', '\\x1c', '\\x1d', '\\x1e', '\\x1f', '\\x7f', '\\N', '\\_', '\\L', '\\P', ]; /** * Determines if a PHP value would require double quoting in YAML. * * @param string $value A PHP value */ public static function requiresDoubleQuoting(string $value): bool { return 0 < preg_match('/'.self::REGEX_CHARACTER_TO_ESCAPE.'/u', $value); } /** * Escapes and surrounds a PHP value with double quotes. * * @param string $value A PHP value */ public static function escapeWithDoubleQuotes(string $value): string { return sprintf('"%s"', str_replace(self::ESCAPEES, self::ESCAPED, $value)); } /** * Determines if a PHP value would require single quoting in YAML. * * @param string $value A PHP value */ public static function requiresSingleQuoting(string $value): bool { // Determines if a PHP value is entirely composed of a value that would // require single quoting in YAML. if (\in_array(strtolower($value), ['null', '~', 'true', 'false', 'y', 'n', 'yes', 'no', 'on', 'off'])) { return true; } // Determines if the PHP value contains any single characters that would // cause it to require single quoting in YAML. return 0 < preg_match('/[ \s \' " \: \{ \} \[ \] , & \* \# \?] | \A[ \- ? | < > = ! % @ ` \p{Zs}]/xu', $value); } /** * Escapes and surrounds a PHP value with single quotes. * * @param string $value A PHP value */ public static function escapeWithSingleQuotes(string $value): string { return sprintf("'%s'", str_replace('\'', '\'\'', $value)); } }