[Console] Fix formatting of SymfonyStyle::comment()

Adapt frameworkbundle test

Author: chalasr

src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/alias_1.txt

@@ -1,3 +1,2 @@
 
- // This service is an alias for the service service_1                                                                  
-
+ // This service is an alias for the service service_1

src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Descriptor/alias_2.txt

@@ -1,3 +1,2 @@
 
- // This service is an alias for the service service_2                                                                  
-
+ // This service is an alias for the service service_2

src/Symfony/Component/Console/Style/SymfonyStyle.php

@@ -66,53 +66,10 @@ public function __construct(InputInterface $input, OutputInterface $output)
      */
     public function block($messages, $type = null, $style = null, $prefix = ' ', $padding = false)
     {
-        $this->autoPrependBlock();
         $messages = is_array($messages) ? array_values($messages) : array($messages);
-        $indentLength = 0;
-        $lines = array();
-
-        if (null !== $type) {
-            $typePrefix = sprintf('[%s] ', $type);
-            $indentLength = strlen($typePrefix);
-            $lineIndentation = str_repeat(' ', $indentLength);
-        }
-
-        // wrap and add newlines for each element
-        foreach ($messages as $key => $message) {
-            $message = OutputFormatter::escape($message);
-            $lines = array_merge($lines, explode(PHP_EOL, wordwrap($message, $this->lineLength - Helper::strlen($prefix) - $indentLength, PHP_EOL, true)));
-
-            // prefix each line with a number of spaces equivalent to the type length
-            if (null !== $type) {
-                foreach ($lines as &$line) {
-                    $line = $lineIndentation === substr($line, 0, $indentLength) ? $line : $lineIndentation.$line;
-                }
-            }
-
-            if (count($messages) > 1 && $key < count($messages) - 1) {
-                $lines[] = '';
-            }
-        }
 
-        if (null !== $type) {
-            $lines[0] = substr_replace($lines[0], $typePrefix, 0, $indentLength);
-        }
-
-        if ($padding && $this->isDecorated()) {
-            array_unshift($lines, '');
-            $lines[] = '';
-        }
-
-        foreach ($lines as &$line) {
-            $line = sprintf('%s%s', $prefix, $line);
-            $line .= str_repeat(' ', $this->lineLength - Helper::strlenWithoutDecoration($this->getFormatter(), $line));
-
-            if ($style) {
-                $line = sprintf('<%s>%s</>', $style, $line);
-            }
-        }
-
-        $this->writeln($lines);
+        $this->autoPrependBlock();
+        $this->writeln($this->createBlock($messages, $type, $style, $prefix, $padding, true));
         $this->newLine();
     }
 
@@ -177,11 +134,10 @@ public function text($message)
     public function comment($message)
     {
         $messages = is_array($message) ? array_values($message) : array($message);
-        foreach ($messages as &$message) {
-            $message = $this->getFormatter()->format($message);
-        }
 
-        $this->block($messages, null, null, ' // ');
+        $this->autoPrependBlock();
+        $this->writeln($this->createBlock($messages, null, null, '<fg=default> // </>'));
+        $this->newLine();
     }
 
     /**
@@ -437,4 +393,56 @@ private function reduceBuffer($messages)
             return substr($value, -4);
         }, array_merge(array($this->bufferedOutput->fetch()), (array) $messages));
     }
+
+    private function createBlock($messages, $type = null, $style = null, $prefix = ' ', $padding = false, $escape = false)
+    {
+        $indentLength = 0;
+        $lines = array();
+
+        if (null !== $type) {
+            $typePrefix = sprintf('[%s] ', $type);
+            $indentLength = strlen($typePrefix);
+            $lineIndentation = str_repeat(' ', $indentLength);
+        }
+
+        // wrap and add newlines for each element
+        foreach ($messages as $key => $message) {
+            if ($escape) {
+                $message = OutputFormatter::escape($message);
+            }
+
+            $lines = array_merge($lines, explode(PHP_EOL, wordwrap($message, $this->lineLength - Helper::strlen(strip_tags($prefix)) - $indentLength, PHP_EOL, true)));
+
+            // prefix each line with a number of spaces equivalent to the type length
+            if (null !== $type) {
+                foreach ($lines as &$line) {
+                    $line = $lineIndentation === substr($line, 0, $indentLength) ? $line : $lineIndentation.$line;
+                }
+            }
+
+            if (count($messages) > 1 && $key < count($messages) - 1) {
+                $lines[] = '';
+            }
+        }
+
+        if (null !== $type) {
+            $lines[0] = substr_replace($lines[0], $typePrefix, 0, $indentLength);
+        }
+
+        if ($padding && $this->isDecorated()) {
+            array_unshift($lines, '');
+            $lines[] = '';
+        }
+
+        foreach ($lines as &$line) {
+            $line = sprintf('%s%s', $prefix, $line);
+            $line .= str_repeat(' ', $this->lineLength - Helper::strlenWithoutDecoration($this->getFormatter(), $line));
+
+            if ($style) {
+                $line = sprintf('<%s>%s</>', $style, $line);
+            }
+        }
+
+        return $lines;
+    }
 }