79 lines
1.7 KiB
PHP
79 lines
1.7 KiB
PHP
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<?php
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namespace Egulias\EmailValidator;
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use Egulias\EmailValidator\Result\Result;
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use Egulias\EmailValidator\Result\ValidEmail;
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use Egulias\EmailValidator\Result\InvalidEmail;
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use Egulias\EmailValidator\Result\Reason\ExpectingATEXT;
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abstract class Parser
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{
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/**
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* @var Warning\Warning[]
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*/
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protected $warnings = [];
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/**
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* @var EmailLexer
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*/
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protected $lexer;
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/**
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* id-left "@" id-right
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*/
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abstract protected function parseRightFromAt(): Result;
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abstract protected function parseLeftFromAt(): Result;
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abstract protected function preLeftParsing(): Result;
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public function __construct(EmailLexer $lexer)
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{
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$this->lexer = $lexer;
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}
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public function parse(string $str): Result
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{
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$this->lexer->setInput($str);
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if ($this->lexer->hasInvalidTokens()) {
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return new InvalidEmail(new ExpectingATEXT("Invalid tokens found"), $this->lexer->current->value);
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}
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$preParsingResult = $this->preLeftParsing();
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if ($preParsingResult->isInvalid()) {
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return $preParsingResult;
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}
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$localPartResult = $this->parseLeftFromAt();
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if ($localPartResult->isInvalid()) {
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return $localPartResult;
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}
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$domainPartResult = $this->parseRightFromAt();
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if ($domainPartResult->isInvalid()) {
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return $domainPartResult;
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}
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return new ValidEmail();
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}
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/**
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* @return Warning\Warning[]
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*/
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public function getWarnings(): array
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{
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return $this->warnings;
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}
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protected function hasAtToken(): bool
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{
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$this->lexer->moveNext();
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$this->lexer->moveNext();
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return !$this->lexer->current->isA(EmailLexer::S_AT);
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}
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}
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