[GH-29] Add types to PhpName.

Author: beberlei

src/main/QafooLabs/Refactoring/Domain/Model/PhpName.php

@@ -20,23 +20,31 @@
  */
 class PhpName implements Hashable
 {
+    const TYPE_NAMESPACE = 1;
+    const TYPE_USE       = 2;
+    const TYPE_CLASS     = 3;
+    const TYPE_USAGE     = 4;
+
     private $fullyQualifiedName;
     private $relativeName;
+    private $type;
 
     static public function createDeclarationName($fullyQualifiedName)
     {
         $parts = self::stringToParts($fullyQualifiedName);
 
         return new PhpName(
             $fullyQualifiedName,
-            end($parts)
+            end($parts),
+            self::TYPE_CLASS
         );
     }
 
-    public function __construct($fullyQualifiedName, $relativeName)
+    public function __construct($fullyQualifiedName, $relativeName, $type = self::TYPE_USAGE)
     {
         $this->fullyQualifiedName = $fullyQualifiedName;
         $this->relativeName = $relativeName;
+        $this->type = $type;
     }
 
     /**
@@ -96,7 +104,7 @@ public function change(PhpName $from, PhpName $to)
             $relativeNewParts = array_slice($newParts, -1 * count(explode('\\', $this->relativeName)));
         }
 
-        return new PhpName(self::partsToString($newParts), self::partsToString($relativeNewParts));
+        return new PhpName(self::partsToString($newParts), self::partsToString($relativeNewParts), $this->type);
     }
 
     private function adjustSize($from, $newParts)
@@ -128,7 +136,7 @@ public function namespaceName()
 
         $name = self::partsToString($parts);
 
-        return new PhpName($name, $name);
+        return new PhpName($name, $name, self::TYPE_NAMESPACE);
     }
 
     public function shortName()
@@ -161,7 +169,7 @@ public function hashCode()
 
     public function fullyQualified()
     {
-        return new PhpName($this->fullyQualifiedName, $this->fullyQualifiedName);
+        return new PhpName($this->fullyQualifiedName, $this->fullyQualifiedName, $this->type);
     }
 
     static private function partsToString($parts)
@@ -173,4 +181,9 @@ static private function stringToParts($string)
     {
         return explode('\\', $string);
     }
+
+    public function type()
+    {
+        return $this->type;
+    }
 }

src/test/QafooLabs/Refactoring/Domain/Model/PhpNameTest.php

@@ -88,6 +88,7 @@ public function testCreateDeclarationName()
 
         $this->assertEquals('Foo\Bar\Baz', $name->fullyQualifiedName());
         $this->assertEquals('Baz', $name->relativeName());
+        $this->assertEquals(PhpName::TYPE_CLASS, $name->type());
     }
 
     public function testRegression4()
@@ -146,4 +147,15 @@ public function testRegression8()
         $this->assertEquals('Foo', $changed->fullyQualifiedName());
         $this->assertEquals('Foo', $changed->relativeName());
     }
+
+    public function testChangeKeepsType()
+    {
+        $from = new PhpName('Foo\Foo\Foo', 'Foo\Foo\Foo');
+        $to = new PhpName('Foo\Boing', 'Foo\Boing');
+
+        $name = new PhpName('Foo\Foo', 'Foo\Foo', PhpName::TYPE_NAMESPACE);
+        $changed = $name->change($from, $to);
+
+        $this->assertEquals(PhpName::TYPE_NAMESPACE, $changed->type());
+    }
 }