Add box style table

Author: maidmaid

src/Symfony/Component/Console/Helper/Table.php

@@ -635,11 +635,18 @@ private static function initStyles()
             ->setCellHeaderFormat('%s')
         ;
 
+        $box = (new TableStyle())
+            ->setHorizontalBorderChar('─')
+            ->setVerticalBorderChar('│')
+            ->setCrossingChar('┼')
+        ;
+
         return array(
             'default' => new TableStyle(),
             'borderless' => $borderless,
             'compact' => $compact,
             'symfony-style-guide' => $styleGuide,
+            'box' => $box,
         );
     }
 

src/Symfony/Component/Console/Tests/Helper/TableTest.php

@@ -136,6 +136,22 @@ public function renderProvider()
   80-902734-1-6   And Then There Were None   Agatha Christie   
  =============== ========================== ================== 
 
+TABLE
+            ),
+            array(
+                array('ISBN', 'Title', 'Author'),
+                $books,
+                'box',
+                <<<'TABLE'
+┼───────────────┼──────────────────────────┼──────────────────┼
+│ ISBN          │ Title                    │ Author           │
+┼───────────────┼──────────────────────────┼──────────────────┼
+│ 99921-58-10-7 │ Divine Comedy            │ Dante Alighieri  │
+│ 9971-5-0210-0 │ A Tale of Two Cities     │ Charles Dickens  │
+│ 960-425-059-0 │ The Lord of the Rings    │ J. R. R. Tolkien │
+│ 80-902734-1-6 │ And Then There Were None │ Agatha Christie  │
+┼───────────────┼──────────────────────────┼──────────────────┼
+
 TABLE
             ),
             array(