Introduce Managers for readers

Some helper classes were more managers than helpers...

src/Spout/Reader/XLSX/Creator/ManagerFactory.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace Box\Spout\Reader\XLSX\Creator;
+
+use Box\Spout\Reader\XLSX\Manager\SharedStringsCaching\CachingStrategyFactory;
+use Box\Spout\Reader\XLSX\Manager\SharedStringsManager;
+use Box\Spout\Reader\XLSX\Manager\SheetManager;
+use Box\Spout\Reader\XLSX\Manager\StyleManager;
+
+
+/**
+ * Class ManagerFactory
+ * Factory to create managers
+ *
+ * @package Box\Spout\Reader\XLSX\Creator
+ */
+class ManagerFactory
+{
+    /** @var HelperFactory */
+    private $helperFactory;
+
+    /** @var CachingStrategyFactory */
+    private $cachingStrategyFactory;
+
+    /**
+     * @param HelperFactory $helperFactory Factory to create helpers
+     * @param CachingStrategyFactory $cachingStrategyFactory Factory to create shared strings caching strategies
+     */
+    public function __construct(HelperFactory $helperFactory, CachingStrategyFactory $cachingStrategyFactory)
+    {
+        $this->helperFactory = $helperFactory;
+        $this->cachingStrategyFactory = $cachingStrategyFactory;
+    }
+
+    /**
+     * @param string $filePath Path of the XLSX file being read
+     * @param string $tempFolder Temporary folder where the temporary files to store shared strings will be stored
+     * @param EntityFactory $entityFactory Factory to create entities
+     * @return SharedStringsManager
+     */
+    public function createSharedStringsManager($filePath, $tempFolder, $entityFactory)
+    {
+        return new SharedStringsManager($filePath, $tempFolder, $entityFactory, $this->helperFactory, $this->cachingStrategyFactory);
+    }
+
+    /**
+     * @param string $filePath Path of the XLSX file being read
+     * @param \Box\Spout\Common\Manager\OptionsManagerInterface $optionsManager Reader's options manager
+     * @param \Box\Spout\Reader\XLSX\Manager\SharedStringsManager $sharedStringsManager Manages shared strings
+     * @param EntityFactory $entityFactory Factory to create entities
+     * @return SheetManager
+     */
+    public function createSheetManager($filePath, $optionsManager, $sharedStringsManager, $entityFactory)
+    {
+        $escaper = $this->helperFactory->createStringsEscaper();
+        return new SheetManager($filePath, $optionsManager, $sharedStringsManager, $escaper, $entityFactory);
+    }
+
+    /**
+     * @param string $filePath Path of the XLSX file being read
+     * @param EntityFactory $entityFactory Factory to create entities
+     * @return StyleManager
+     */
+    public function createStyleManager($filePath, $entityFactory)
+    {
+        return new StyleManager($filePath, $entityFactory);
+    }
+}