Starting to change local part parser

EmailValidator/EmailParser.php

@@ -69,7 +69,11 @@ class EmailParser
             return new InvalidEmail(new NoLocalPart(), $this->lexer->token["value"]);
         }
 
-        $this->localPartParser->parse($str);
+        $localPartResult = $this->localPartParser->parse($str);
+        if (!$localPartResult->isValid()) {
+            return $localPartResult;
+        }
+
         $this->domainPartParser->parse($str);
 
         $this->setParts($str);

EmailValidator/Parser/LocalPart.php

@@ -3,18 +3,21 @@
 namespace Egulias\EmailValidator\Parser;
 
 use Egulias\EmailValidator\Exception\DotAtEnd;
-use Egulias\EmailValidator\Exception\DotAtStart;
 use Egulias\EmailValidator\EmailLexer;
 use Egulias\EmailValidator\Exception\ExpectingAT;
 use Egulias\EmailValidator\Exception\ExpectingATEXT;
 use Egulias\EmailValidator\Exception\UnclosedQuotedString;
 use Egulias\EmailValidator\Exception\UnopenedComment;
+use Egulias\EmailValidator\Result\InvalidEmail;
+use Egulias\EmailValidator\Result\Reason\DotAtStart;
+use Egulias\EmailValidator\Result\Result;
+use Egulias\EmailValidator\Result\ValidEmail;
 use Egulias\EmailValidator\Warning\CFWSWithFWS;
 use Egulias\EmailValidator\Warning\LocalTooLong;
 
 class LocalPart extends Parser
 {
-    public function parse($localPart)
+    public function parse($localPart) : Result
     {
         $parseDQuote = true;
         $closingQuote = false;
@@ -22,8 +25,8 @@ class LocalPart extends Parser
         $totalLength = 0;
 
         while ($this->lexer->token['type'] !== EmailLexer::S_AT && null !== $this->lexer->token['type']) {
-            if ($this->lexer->token['type'] === EmailLexer::S_DOT && null === $this->lexer->getPrevious()['type']) {
-                throw new DotAtStart();
+            if ($this->hasDotAtStart()) {
+                return new InvalidEmail(new DotAtStart(), $this->lexer->token['value']);
             }
 
             $closingQuote = $this->checkDQUOTE($closingQuote);
@@ -66,6 +69,13 @@ class LocalPart extends Parser
         if ($totalLength > LocalTooLong::LOCAL_PART_LENGTH) {
             $this->warnings[LocalTooLong::CODE] = new LocalTooLong();
         }
+
+        return new ValidEmail();
+    }
+
+    protected function hasDotAtStart() : bool
+    {
+            return $this->lexer->token['type'] === EmailLexer::S_DOT && null === $this->lexer->getPrevious()['type'];
     }
 
     /**

EmailValidator/Result/Reason/DotAtStart.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Egulias\EmailValidator\Result\Reason;
+
+class DotAtStart implements Reason
+{
+    public function code() : int
+    {
+        return 141;
+    }
+
+    public function description() : string
+    {
+        return "Starts with a DOT";
+    }
+}

Tests/EmailValidator/Validation/RFCValidationTest.php

@@ -38,6 +38,7 @@ use Egulias\EmailValidator\Exception\UnclosedComment;
 use Egulias\EmailValidator\Exception\UnopenedComment;
 use Egulias\EmailValidator\Result\Reason\NoLocalPart;
 use Egulias\EmailValidator\Exception\UnclosedQuotedString;
+use Egulias\EmailValidator\Result\Reason\DotAtStart as ReasonDotAtStart;
 
 class RFCValidationTest extends TestCase
 {
@@ -192,7 +193,7 @@ class RFCValidationTest extends TestCase
             [new ConsecutiveDot(), 'example..example@example.co.uk'],
             [new ConsecutiveDot(), 'example@example..co.uk'],
             [new ExpectingATEXT(), '<example_example>@example.fr'],
-            [new DotAtStart(), '.example@localhost'],
+            [new InvalidEmail(new ReasonDotAtStart(), '.'), '.example@localhost'],
             [new DotAtStart(), 'example@.localhost'],
             [new DotAtEnd(), 'example@localhost.'],
             [new DotAtEnd(), 'example.@example.co.uk'],