add strict typing

Author: ashnazg

src/Element.php

@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+
 /**
  * phpDocumentor
  *

src/File.php

@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+
 /**
  * This file is part of phpDocumentor.
  *

src/Fqsen.php

@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+
 /**
  * phpDocumentor
  *
@@ -35,7 +37,7 @@ final class Fqsen
      *
      * @throws \InvalidArgumentException when $fqsen is not matching the format.
      */
-    public function __construct($fqsen)
+    public function __construct(string $fqsen)
     {
         $matches = [];
         $result = preg_match(
@@ -65,7 +67,7 @@ public function __construct($fqsen)
      *
      * @return string
      */
-    public function __toString()
+    public function __toString(): string
     {
         return $this->fqsen;
     }
@@ -75,7 +77,7 @@ public function __toString()
      *
      * @return string
      */
-    public function getName()
+    public function getName(): string
     {
         return $this->name;
     }

src/Location.php

@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+
 /**
  * This file is part of phpDocumentor.
  *
@@ -29,7 +31,7 @@ final class Location
      * @param int $lineNumber
      * @param int $columnNumber
      */
-    public function __construct($lineNumber, $columnNumber = 0)
+    public function __construct(int $lineNumber, int $columnNumber = 0)
     {
         $this->lineNumber = $lineNumber;
         $this->columnNumber = $columnNumber;
@@ -40,7 +42,7 @@ public function __construct($lineNumber, $columnNumber = 0)
      *
      * @return integer
      */
-    public function getLineNumber()
+    public function getLineNumber(): int
     {
         return $this->lineNumber;
     }
@@ -50,7 +52,7 @@ public function getLineNumber()
      *
      * @return integer
      */
-    public function getColumnNumber()
+    public function getColumnNumber(): int
     {
         return $this->columnNumber;
     }

src/Project.php

@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+
 /**
  * phpDocumentor
  *
@@ -21,5 +23,5 @@ interface Project
      *
      * @return string
      */
-    public function getName();
+    public function getName(): string;
 }

src/ProjectFactory.php

@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+
 /**
  * phpDocumentor
  *
@@ -24,5 +26,5 @@ interface ProjectFactory
      * @param File[] $files
      * @return Project
      */
-    public function create($name, array $files);
+    public function create($name, array $files): Project;
 }