TASK: Cleanup code

* Remove unnecessary documentation.
* Remove unused code.
* Add missing documentation.

Relates: #72

src/Standards/Typo3Update/Feature/FeatureInterface.php

@@ -23,7 +23,7 @@ namespace Typo3Update\Feature;
 use PHP_CodeSniffer_File as PhpCsFile;
 
 /**
- *
+ * See "Features" in documentation.
  */
 interface FeatureInterface
 {

src/Standards/Typo3Update/Feature/Features.php

@@ -24,13 +24,16 @@ use PHP_CodeSniffer_Sniff as PhpCsSniff;
 use Typo3Update\Options;
 
 /**
- *
+ * Contains all configured features for a single sniff.
  */
 class Features implements \Iterator
 {
     protected $index = 0;
     protected $features = [];
 
+    /**
+     * @param PhpCsSniff $sniff The sniff to collect features for.
+     */
     public function __construct(PhpCsSniff $sniff)
     {
         foreach (Options::getFeaturesConfiguration() as $featureName => $sniffs) {

src/Standards/Typo3Update/Feature/FeaturesSupport.php

@@ -23,7 +23,7 @@ namespace Typo3Update\Feature;
 use PHP_CodeSniffer_File as PhpCsFile;
 
 /**
- * Provides "feature" support for sniff.
+ * Provides "feature" support for sniffs.
  */
 trait FeaturesSupport
 {
@@ -37,6 +37,13 @@ trait FeaturesSupport
         $this->features = new Features($this);
     }
 
+    /**
+     * Processes all features for the sniff.
+     *
+     * @param PhpCsFile $phpcsFile
+     * @param int $stackPtr
+     * @param string $content
+     */
     public function processFeatures(PhpCsFile $phpcsFile, $stackPtr, $content)
     {
         foreach ($this->features as $featureClassName) {
@@ -45,6 +52,12 @@ trait FeaturesSupport
         }
     }
 
+    /**
+     * Create a new instance of the given feature.
+     *
+     * @param string $featureClassname
+     * @return FeatureInterface
+     */
     protected function createFeature($featureClassname)
     {
         return new $featureClassname($this);

src/Standards/Typo3Update/Feature/LegacyClassnameFeature.php

@@ -25,7 +25,9 @@ use PHP_CodeSniffer_File as PhpCsFile;
 use PHP_CodeSniffer_Sniff as PhpCsSniff;
 
 /**
+ * This feature will add fixable errors for old legacy classnames.
  *
+ * Can be attached to sniffs returning classnames.
  */
 class LegacyClassnameFeature implements FeatureInterface
 {
@@ -131,20 +133,6 @@ class LegacyClassnameFeature implements FeatureInterface
         return $this->legacyMapping->getNewClassname($classname);
     }
 
-    /**
-     * Use to add new mappings found during parsing.
-     * E.g. in MissingNamespaceSniff old class definitions are fixed and a new mapping exists afterwards.
-     *
-     * @param string $legacyClassname
-     * @param string $newClassname
-     *
-     * @return void
-     */
-    protected function addLegacyClassname($legacyClassname, $newClassname)
-    {
-        $this->legacyMapping->addLegacyClassname($legacyClassname, $newClassname);
-    }
-
     /**
      * Add an warning if given $classname is maybe legacy.
      *

src/Standards/Typo3Update/Sniffs/Classname/AbstractClassnameChecker.php

@@ -26,6 +26,9 @@ use Typo3Update\Feature\FeaturesSupport;
 
 /**
  * Provide common uses for all sniffs, regarding class name checks.
+ *
+ * Will do nothing but calling configured features, allowing new extending
+ * sniffs to find further class names.
  */
 abstract class AbstractClassnameChecker implements PhpCsSniff
 {

src/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff.php

@@ -22,9 +22,6 @@
 use PHP_CodeSniffer_File as PhpCsFile;
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Detect and migrate extend and implement of old legacy classnames.
- */
 class Typo3Update_Sniffs_Classname_InheritanceSniff extends AbstractClassnameChecker
 {
     /**
@@ -34,10 +31,7 @@ class Typo3Update_Sniffs_Classname_InheritanceSniff extends AbstractClassnameChe
      */
     public function register()
     {
-        return [
+        return [T_EXTENDS, T_IMPLEMENTS];
-            T_EXTENDS,
-            T_IMPLEMENTS,
-        ];
     }
 
     /**

src/Standards/Typo3Update/Sniffs/Classname/InlineCommentSniff.php

@@ -22,9 +22,6 @@
 use PHP_CodeSniffer_File as PhpCsFile;
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Migrate PHP inline comments, e.g. for IDEs.
- */
 class Typo3Update_Sniffs_Classname_InlineCommentSniff extends AbstractClassnameChecker
 {
     /**
@@ -34,9 +31,7 @@ class Typo3Update_Sniffs_Classname_InlineCommentSniff extends AbstractClassnameC
      */
     public function register()
     {
-        return [
+        return [T_COMMENT];
-            T_COMMENT,
-        ];
     }
 
     /**
@@ -77,25 +72,4 @@ class Typo3Update_Sniffs_Classname_InlineCommentSniff extends AbstractClassnameC
 
         return 3;
     }
-
-    /**
-     * As token contains more then just class name, we have to build new content ourself.
-     *
-     * @param string $newClassname
-     * @param string $originalClassname
-     * @param PhpCsFile $phpcsFile
-     * @return string
-     */
-    protected function getTokenForReplacement($newClassname, $originalClassname, PhpCsFile $phpcsFile)
-    {
-        $token = preg_split('/\s+/', $this->originalTokenContent);
-        $token[$this->getClassnamePosition($token)] = $newClassname;
-
-        // Keep line ending, removed by preg_split
-        if ($token[0] === '//') {
-            $token[count($token)] = $phpcsFile->eolChar;
-        }
-
-        return implode(' ', $token);
-    }
 }

src/Standards/Typo3Update/Sniffs/Classname/InstanceofSniff.php

@@ -21,9 +21,6 @@
 
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Detect and migrate instanceof checks of old legacy classnames.
- */
 class Typo3Update_Sniffs_Classname_InstanceofSniff extends AbstractClassnameChecker
 {
     /**
@@ -33,8 +30,6 @@ class Typo3Update_Sniffs_Classname_InstanceofSniff extends AbstractClassnameChec
      */
     public function register()
     {
-        return [
+        return [T_INSTANCEOF];
-            T_INSTANCEOF,
-        ];
     }
 }

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

@@ -23,9 +23,6 @@ use PHP_CodeSniffer_File as PhpCsFile;
 use PHP_CodeSniffer_Tokens as Tokens;
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Detect and migrate instantiations of old legacy classnames using "makeInstance".
- */
 class Typo3Update_Sniffs_Classname_InstantiationWithMakeInstanceSniff extends AbstractClassnameChecker
 {
     use \Typo3Update\Sniffs\ExtendedPhpCsSupportTrait;
@@ -69,17 +66,4 @@ class Typo3Update_Sniffs_Classname_InstantiationWithMakeInstanceSniff extends Ab
         $this->originalTokenContent = $tokens[$classnamePosition]['content'];
         $this->processFeatures($phpcsFile, $classnamePosition, $classname);
     }
-
-    /**
-     * As token contains more then just class name, we have to build new content ourself.
-     *
-     * @param string $newClassname
-     * @param string $originalClassname
-     * @param PhpCsFile $phpcsFile
-     * @return string
-     */
-    protected function getTokenForReplacement($newClassname, $originalClassname, PhpCsFile $phpcsFile)
-    {
-        return $this->getTokenReplacementForString($newClassname);
-    }
 }

src/Standards/Typo3Update/Sniffs/Classname/InstantiationWithNewSniff.php

@@ -21,9 +21,6 @@
 
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Detect and migrate old legacy classnames instantiations using phps "new".
- */
 class Typo3Update_Sniffs_Classname_InstantiationWithNewSniff extends AbstractClassnameChecker
 {
     /**

src/Standards/Typo3Update/Sniffs/Classname/InstantiationWithObjectManagerSniff.php

@@ -23,9 +23,6 @@ use PHP_CodeSniffer_File as PhpCsFile;
 use PHP_CodeSniffer_Tokens as Tokens;
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Detect and migrate old legacy classname instantiations using objectmanager create and get.
- */
 class Typo3Update_Sniffs_Classname_InstantiationWithObjectManagerSniff extends AbstractClassnameChecker
 {
     use \Typo3Update\Sniffs\ExtendedPhpCsSupportTrait;

src/Standards/Typo3Update/Sniffs/Classname/IsACallSniff.php

@@ -22,9 +22,6 @@
 use PHP_CodeSniffer_File as PhpcsFile;
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Detect and migrate instantiations of old legacy classnames using "makeInstance".
- */
 class Typo3Update_Sniffs_Classname_IsACallSniff extends AbstractClassnameChecker
 {
     use \Typo3Update\Sniffs\ExtendedPhpCsSupportTrait;

src/Standards/Typo3Update/Sniffs/Classname/StaticCallSniff.php

@@ -21,9 +21,6 @@
 
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Detect and migrate static calls to old legacy classnames.
- */
 class Typo3Update_Sniffs_Classname_StaticCallSniff extends AbstractClassnameChecker
 {
     /**

src/Standards/Typo3Update/Sniffs/Classname/TypeHintCatchExceptionSniff.php

@@ -21,9 +21,6 @@
 
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Migrate Typehints in catch statements.
- */
 class Typo3Update_Sniffs_Classname_TypeHintCatchExceptionSniff extends AbstractClassnameChecker
 {
     /**

src/Standards/Typo3Update/Sniffs/Classname/TypeHintSniff.php

@@ -22,9 +22,6 @@
 use PHP_CodeSniffer_File as PhpCsFile;
 use Typo3Update\Sniffs\Classname\AbstractClassnameChecker;
 
-/**
- * Migrate Typehints in function / method definitions.
- */
 class Typo3Update_Sniffs_Classname_TypeHintSniff extends AbstractClassnameChecker
 {
     /**