TASK: Refactor code base

* As method does not belong to class renaming, but is a general method,
  it was moved to a new trait.

Relates: #4

src/Standards/Typo3Update/Sniffs/ExtendedPhpCsSupportTrait.php

@@ -0,0 +1,69 @@
+<?php
+namespace Typo3Update\Sniffs;
+
+/*
+ * Copyright (C) 2017  Daniel Siepmann <coding@daniel-siepmann.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use PHP_CodeSniffer_File as PhpcsFile;
+use PHP_CodeSniffer_Tokens as Tokens;
+
+/**
+ * Provide common uses for all sniffs.
+ */
+trait ExtendedPhpCsSupportTrait
+{
+    /**
+     * Check whether current stackPtr is a function call.
+     *
+     * Code taken from PEAR_Sniffs_Functions_FunctionCallSignatureSniff for reuse.
+     *
+     * @param PhpCsFile $phpcsFile
+     * @param int $stackPtr
+     *
+     * @return bool
+     */
+    protected function isFunctionCall(PhpCsFile $phpcsFile, $stackPtr)
+    {
+        $tokens = $phpcsFile->getTokens();
+
+        // Find the next non-empty token.
+        $openBracket = $phpcsFile->findNext(Tokens::$emptyTokens, ($stackPtr + 1), null, true);
+
+        if ($tokens[$openBracket]['code'] !== T_OPEN_PARENTHESIS) {
+            // Not a function call.
+            return false;
+        }
+
+        if (isset($tokens[$openBracket]['parenthesis_closer']) === false) {
+            // Not a function call.
+            return false;
+        }
+
+        // Find the previous non-empty token.
+        $search   = Tokens::$emptyTokens;
+        $search[] = T_BITWISE_AND;
+        $previous = $phpcsFile->findPrevious($search, ($stackPtr - 1), null, true);
+        if ($tokens[$previous]['code'] === T_FUNCTION) {
+            // It's a function definition, not a function call.
+            return false;
+        }
+
+        return true;
+    }
+}

src/Standards/Typo3Update/Sniffs/LegacyClassnames/ClassnameCheckerTrait.php

@@ -24,7 +24,7 @@ use PHP_CodeSniffer_File as PhpcsFile;
 use PHP_CodeSniffer_Tokens as Tokens;
 
 /**
- * Provide common uses for all sniffs.
+ * Provide common uses for all sniffs, regarding class name checks.
  */
 trait ClassnameCheckerTrait
 {
@@ -109,43 +109,4 @@ trait ClassnameCheckerTrait
     {
         return $classname;
     }
-
-    /**
-     * Check whether current stackPtr is a function call.
-     *
-     * Code taken from PEAR_Sniffs_Functions_FunctionCallSignatureSniff for reuse.
-     *
-     * @param PhpCsFile $phpcsFile
-     * @param int $stackPtr
-     *
-     * @return bool
-     */
-    protected function isFunctionCall(PhpCsFile $phpcsFile, $stackPtr)
-    {
-        $tokens = $phpcsFile->getTokens();
-
-        // Find the next non-empty token.
-        $openBracket = $phpcsFile->findNext(Tokens::$emptyTokens, ($stackPtr + 1), null, true);
-
-        if ($tokens[$openBracket]['code'] !== T_OPEN_PARENTHESIS) {
-            // Not a function call.
-            return false;
-        }
-
-        if (isset($tokens[$openBracket]['parenthesis_closer']) === false) {
-            // Not a function call.
-            return false;
-        }
-
-        // Find the previous non-empty token.
-        $search   = Tokens::$emptyTokens;
-        $search[] = T_BITWISE_AND;
-        $previous = $phpcsFile->findPrevious($search, ($stackPtr - 1), null, true);
-        if ($tokens[$previous]['code'] === T_FUNCTION) {
-            // It's a function definition, not a function call.
-            return false;
-        }
-
-        return true;
-    }
 }

src/Standards/Typo3Update/Sniffs/LegacyClassnames/InstantiationWithMakeInstanceSniff.php

@@ -27,6 +27,7 @@ use PHP_CodeSniffer_Tokens as Tokens;
 class Typo3Update_Sniffs_LegacyClassnames_InstantiationWithMakeInstanceSniff implements PHP_CodeSniffer_Sniff
 {
     use \Typo3Update\Sniffs\LegacyClassnames\ClassnameCheckerTrait;
+    use \Typo3Update\Sniffs\ExtendedPhpCsSupportTrait;
 
     /**
      * Original token content for reuse accross methods.