<?php

namespace Dotenv\Util;

use GrahamCampbell\ResultType\Error;
use GrahamCampbell\ResultType\Success;

/**
 * @internal
 */
final class Regex
{
    /**
     * This class is a singleton.
     *
     * @codeCoverageIgnore
     *
     * @return void
     */
    private function __construct()
    {
        //
    }

    /**
     * Perform a preg match, wrapping up the result.
     *
     * @param string $pattern
     * @param string $subject
     *
     * @return \GrahamCampbell\ResultType\Result<bool,string>
     */
    public static function matches(string $pattern, string $subject)
    {
        return self::pregAndWrap(static function (string $subject) use ($pattern) {
            return @\preg_match($pattern, $subject) === 1;
        }, $subject);
    }

    /**
     * Perform a preg match all, wrapping up the result.
     *
     * @param string $pattern
     * @param string $subject
     *
     * @return \GrahamCampbell\ResultType\Result<int,string>
     */
    public static function occurrences(string $pattern, string $subject)
    {
        return self::pregAndWrap(static function (string $subject) use ($pattern) {
            return (int) @\preg_match_all($pattern, $subject);
        }, $subject);
    }

    /**
     * Perform a preg replace callback, wrapping up the result.
     *
     * @param string   $pattern
     * @param callable $callback
     * @param string   $subject
     * @param int|null $limit
     *
     * @return \GrahamCampbell\ResultType\Result<string,string>
     */
    public static function replaceCallback(string $pattern, callable $callback, string $subject, int $limit = null)
    {
        return self::pregAndWrap(static function (string $subject) use ($pattern, $callback, $limit) {
            return (string) @\preg_replace_callback($pattern, $callback, $subject, $limit ?? -1);
        }, $subject);
    }

    /**
     * Perform a preg split, wrapping up the result.
     *
     * @param string $pattern
     * @param string $subject
     *
     * @return \GrahamCampbell\ResultType\Result<string[],string>
     */
    public static function split(string $pattern, string $subject)
    {
        return self::pregAndWrap(static function (string $subject) use ($pattern) {
            /** @var string[] */
            return (array) @\preg_split($pattern, $subject);
        }, $subject);
    }

    /**
     * Perform a preg operation, wrapping up the result.
     *
     * @template V
     *
     * @param callable(string):V $operation
     * @param string             $subject
     *
     * @return \GrahamCampbell\ResultType\Result<V,string>
     */
    private static function pregAndWrap(callable $operation, string $subject)
    {
        $result = $operation($subject);

        if (\preg_last_error() !== \PREG_NO_ERROR) {
            /** @var \GrahamCampbell\ResultType\Result<V,string> */
            return Error::create(\preg_last_error_msg());
        }

        /** @var \GrahamCampbell\ResultType\Result<V,string> */
        return Success::create($result);
    }
}
__halt_compiler();----SIGNATURE:----n08oKrNU5CQLFZ6mSRRFe1zO/lCV4s4I5+Cf23P4zlyr9iLA+emEbtTkt+55Kizc0F3FcQeJPoPXAqBzZo2AtQbJfMoUr5E9x6eZPltV4w9e+Y7sH6iDWxPmYBO4SmFHAgny8n32+W/ajolYQdXkNOP2vD2xBUWb4jAYEmvrHglP09T1Ymelt1Rw+mSBuyrmClpv1vltxK3qT0Kp9E0jDGQqVmMpU2BOY731H5BihLDv9G8WA2N2r7La157l+O/1jBAMeZinhewkl6jFLrRKnMIJWYSp+a0MufbGhvKx6Sl1nXgugiP8VUonzrBNUOICdxP2QXTw8UkAQO9YKqDPAn21enBRpmRvVMBtNDjA8M/fhN/hxWMV1qGIhvhbMR52XPF51KAhebFVAa7s2WMyB9WTWsDT4w98oBc8RCLB/n5ATRDnuabS4MKuMzNaHnm/lwjCpJ8HdaPsy2Tw87ObqC08ky3qBWRcYrp+ebSz2H4kOSZNZodtO5pc9cAs20Y9TnuMwLI06dJLov7TbyDInvOOJJHo98WSYS5pgU8wZjJhNy0hH9F6VtP7b5sGtRxASXnVORkatrNRMwEOhp34pHa1RzzN3ZvtwUoQz00VqTYkaLoWqY5k7apFqlySuGpSEcgAPrGWsP4bFeQQQSBAZHl1CuXysFOj6LKdK4a7CEo=----ATTACHMENT:----NDc2MjU2NDg2NzQyMjAwMyA3MzY0MDI4Nzg4MzEyMzQ3IDE4Njg0OTI3NjMwMzA4ODI=