<?php

namespace Egulias\EmailValidator;

use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Result\Reason\ExpectingATEXT;
use Egulias\EmailValidator\Result\Result;
use Egulias\EmailValidator\Result\ValidEmail;

abstract class Parser
{
    /** @var Warning\Warning[] */
    protected $warnings = [];

    /** @var EmailLexer */
    protected $lexer;

    /**
     * id-left "@" id-right
     */
    abstract protected function parseRightFromAt(): Result;

    abstract protected function parseLeftFromAt(): Result;

    abstract protected function preLeftParsing(): Result;

    public function __construct(EmailLexer $lexer)
    {
        $this->lexer = $lexer;
    }

    public function parse(string $str): Result
    {
        $this->lexer->setInput($str);

        if ($this->lexer->hasInvalidTokens()) {
            return new InvalidEmail(new ExpectingATEXT("Invalid tokens found"), $this->lexer->token["value"]);
        }

        $preParsingResult = $this->preLeftParsing();
        if ($preParsingResult->isInvalid()) {
            return $preParsingResult;
        }

        $localPartResult = $this->parseLeftFromAt();

        if ($localPartResult->isInvalid()) {
            return $localPartResult;
        }

        $domainPartResult = $this->parseRightFromAt();

        if ($domainPartResult->isInvalid()) {
            return $domainPartResult;
        }

        return new ValidEmail();
    }

    /**
     * @return Warning\Warning[]
     */
    public function getWarnings(): array
    {
        return $this->warnings;
    }

    protected function hasAtToken(): bool
    {
        $this->lexer->moveNext();
        $this->lexer->moveNext();

        return ((array) $this->lexer->token)['type'] !== EmailLexer::S_AT;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDMzOTQ0MzE4MTYyNDg1NSA5NTQ5MzM4MTEzNTU3MDY1IDEyNTc5NjU1Nzk1NTk1ODU=