<?php

namespace Behat\Mink\Selector\Xpath;

/**
 * XPath escaper.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 */
class Escaper
{
    /**
     * Escapes the string as a XPath literal.
     *
     * @param string $s
     *
     * @return string
     */
    public function escapeLiteral(string $s)
    {
        if (false === strpos($s, "'")) {
            return sprintf("'%s'", $s);
        }

        if (false === strpos($s, '"')) {
            return sprintf('"%s"', $s);
        }

        $string = $s;
        $parts = array();
        while (true) {
            if (false !== $pos = strpos($string, "'")) {
                $parts[] = sprintf("'%s'", substr($string, 0, $pos));
                $parts[] = "\"'\"";
                $string = substr($string, $pos + 1);
            } else {
                $parts[] = "'$string'";
                break;
            }
        }

        return sprintf('concat(%s)', implode(',', $parts));
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzIwMjEyMzk0MTY5NDk1NCAzNDUxMDk5ODE5NTAyNTk0IDY2MDMzODU5NTE3OTI3NTg=