Custom exception for dot at start

src/Egulias/EmailValidator/EmailValidator.php

@@ -2,6 +2,8 @@
 
 namespace Egulias\EmailValidator;
 
+use Egulias\EmailValidator\InvalidEmail;
+
 /**
  * EmailValidator
  *
@@ -78,6 +80,9 @@ class EmailValidator
         try {
             $this->parser->parse((string)$email);
             $this->warnings = $this->parser->getWarnings();
+        } catch (InvalidEmail $invalid) {
+            $this->error = $invalid->getCode();
+            return false;
         } catch (\Exception $e) {
             $rClass = new \ReflectionClass($this);
             $this->error = $rClass->getConstant($e->getMessage());

src/Egulias/EmailValidator/Exception/DotAtStart.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Egulias\EmailValidator\Exception;
+
+use Egulias\EmailValidator\InvalidEmail;
+
+class DotAtStart extends InvalidEmail
+{
+    const CODE = 141;
+
+    public function __construct($part)
+    {
+        parent::__construct("Found DOT at start in " . $part, self::CODE);
+    }
+}

src/Egulias/EmailValidator/InvalidEmail.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Egulias\EmailValidator;
+
+class InvalidEmail extends \InvalidArgumentException
+{
+
+}

src/Egulias/EmailValidator/Parser/DomainPart.php

@@ -4,6 +4,7 @@
 namespace Egulias\EmailValidator\Parser;
 
 use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\Exception\DotAtStart;
 use Egulias\EmailValidator\Parser\Parser;
 use Egulias\EmailValidator\EmailValidator;
 
@@ -17,7 +18,7 @@ class DomainPart extends Parser
         $this->lexer->moveNext();
 
         if ($this->lexer->token['type'] === EmailLexer::S_DOT) {
-            throw new \InvalidArgumentException('ERR_DOT_START');
+            throw new DotAtStart('domain');
         }
 
         if ($this->lexer->token['type'] === EmailLexer::S_EMPTY) {

src/Egulias/EmailValidator/Parser/LocalPart.php

@@ -2,6 +2,7 @@
 
 namespace Egulias\EmailValidator\Parser;
 
+use Egulias\EmailValidator\Exception\DotAtStart;
 use Egulias\EmailValidator\EmailLexer;
 use Egulias\EmailValidator\EmailValidator;
 use \InvalidArgumentException;
@@ -16,7 +17,7 @@ class LocalPart extends Parser
         while ($this->lexer->token['type'] !== EmailLexer::S_AT && $this->lexer->token) {
 
             if ($this->lexer->token['type'] === EmailLexer::S_DOT && !$this->lexer->getPrevious()) {
-                throw new \InvalidArgumentException('ERR_DOT_START');
+                throw new DotAtStart('local');
             }
 
             $closingQuote = $this->checkDQUOTE($closingQuote);