From f1ae0dc8cf4573381c99a20381973b2d8095f7cf Mon Sep 17 00:00:00 2001
From: Alexander Schwirjow <alexanderschwirjow@iMac-020-Alexander.local>
Date: Tue, 17 Jul 2018 16:36:04 +0200
Subject: [PATCH] add some comments

---
 src/Resources/contao/classes/FontImport.php | 30 ++++++++++++++++++---
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/src/Resources/contao/classes/FontImport.php b/src/Resources/contao/classes/FontImport.php
index d4fcd0c..de4ad56 100644
--- a/src/Resources/contao/classes/FontImport.php
+++ b/src/Resources/contao/classes/FontImport.php
@@ -4,6 +4,9 @@
 
 class FontImport extends \Backend
 {
+    /**
+     * Import the database class and set default template
+     */
     public function __construct()
     {
         parent::__construct();
@@ -11,6 +14,9 @@ public function __construct()
         $this->import('Database');
     }
 
+    /**
+     * Either show the upload form or handle the data
+     */
     public function importFont()
     {
         if (\Input::get('key') != 'import') {
@@ -137,6 +143,12 @@ public function importFont()
         return \Message::generate().$template->parse();
     }
 
+    /**
+     * Parse @font-family rules from a CSS file
+     *
+     * @param string $strCSS
+     * @return array
+     */
     private function parseFontFaces($strCSS)
     {
         $regEx = '/@font\-face\s*{[^}]+}/m';
@@ -146,6 +158,14 @@ private function parseFontFaces($strCSS)
         }
     }
 
+    /**
+     * Parse a CSS rule using regex
+     *
+     * @param string $strCSS
+     * @param string $rule
+     * @param string $default
+     * @return string
+     */
     private function parseRule($strCSS, $rule, $default = '')
     {
         $regEx = sprintf('/%s:[\'"\s]*([^;\'"]+)[\'"]*/m', $rule);
@@ -157,6 +177,12 @@ private function parseRule($strCSS, $rule, $default = '')
         return $default;
     }
 
+    /**
+     * Parse font source rules using regex
+     *
+     * @param string $strCSS
+     * @return array
+     */
     private function parseFontSources($strCSS)
     {
         $regEx = '/url\s*[(\'"]*([^\'"\s)]+)[\')\s]*format\s*[(\'"]*([^\'"]+)[\')\s]*[;,]/m';
@@ -170,8 +196,4 @@ private function parseFontSources($strCSS)
 
         return $sources;
     }
-
-    private function sanitizeArray($arrData)
-    {
-    }
 }