fix(201) - empty domain

EmailValidator/Parser/DomainPart.php

@@ -41,21 +41,7 @@ class DomainPart extends Parser
     {
         $this->lexer->moveNext();
 
-        if ($this->lexer->token['type'] === EmailLexer::S_DOT) {
+        $this->performDomainStartChecks();
-            throw new DotAtStart();
-        }
-
-        if ($this->lexer->token['type'] === EmailLexer::S_EMPTY) {
-            throw new NoDomainPart();
-        }
-        if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN) {
-            throw new DomainHyphened();
-        }
-
-        if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
-            $this->warnings[DeprecatedComment::CODE] = new DeprecatedComment();
-            $this->parseDomainComments();
-        }
 
         $domain = $this->doParseDomainPart();
 
@@ -77,6 +63,38 @@ class DomainPart extends Parser
         $this->domainPart = $domain;
     }
 
+    private function performDomainStartChecks()
+    {
+        $this->checkInvalidTokensAfterAT();
+        $this->checkEmptyDomain();
+
+        if ($this->lexer->token['type'] === EmailLexer::S_OPENPARENTHESIS) {
+            $this->warnings[DeprecatedComment::CODE] = new DeprecatedComment();
+            $this->parseDomainComments();
+        }
+    }
+
+    private function checkEmptyDomain()
+    {
+        $thereIsNoDomain = $this->lexer->token['type'] === EmailLexer::S_EMPTY ||
+            ($this->lexer->token['type'] === EmailLexer::S_SP &&
+            !$this->lexer->isNextToken(EmailLexer::GENERIC));
+
+        if ($thereIsNoDomain) {
+            throw new NoDomainPart();
+        }
+    }
+
+    private function checkInvalidTokensAfterAT()
+    {
+        if ($this->lexer->token['type'] === EmailLexer::S_DOT) {
+            throw new DotAtStart();
+        }
+        if ($this->lexer->token['type'] === EmailLexer::S_HYPHEN) {
+            throw new DomainHyphened();
+        }
+    }
+
     public function getDomainPart()
     {
         return $this->domainPart;

Tests/EmailValidator/Validation/RFCValidationTest.php

@@ -166,6 +166,7 @@ class RFCValidationTest extends TestCase
             ['test@email>'],
             ['test@email<'],
             ['test@email{'],
+            ['test@ '],
         ];
     }