diff --git a/src/PhpWord/Autoloader.php b/src/PhpWord/Autoloader.php
index 6acfff21..c60ae9a6 100644
--- a/src/PhpWord/Autoloader.php
+++ b/src/PhpWord/Autoloader.php
@@ -46,6 +46,7 @@ class Autoloader
             $file = str_replace('\\', DIRECTORY_SEPARATOR, substr($class, $prefixLength));
             $file = realpath(__DIR__ . (empty($file) ? '' : DIRECTORY_SEPARATOR) . $file . '.php');
             if (file_exists($file)) {
+                /** @noinspection PhpIncludeInspection Dynamic includes */
                 require_once $file;
             }
         }
diff --git a/src/PhpWord/Reader/Word2007/Document.php b/src/PhpWord/Reader/Word2007/Document.php
index 224c895e..80d2dde2 100644
--- a/src/PhpWord/Reader/Word2007/Document.php
+++ b/src/PhpWord/Reader/Word2007/Document.php
@@ -158,7 +158,9 @@ class Document extends AbstractPart
         // Section properties
         if ($xmlReader->elementExists('w:pPr/w:sectPr', $node)) {
             $sectPrNode = $xmlReader->getElement('w:pPr/w:sectPr', $node);
-            $this->readWSectPrNode($xmlReader, $sectPrNode, $section);
+            if ($sectPrNode !== null) {
+                $this->readWSectPrNode($xmlReader, $sectPrNode, $section);
+            }
             $section = $this->phpWord->addSection();
         }
     }
@@ -172,10 +174,8 @@ class Document extends AbstractPart
      */
     private function readWSectPrNode(XMLReader $xmlReader, \DOMElement $node, Section &$section)
     {
-        if ($node !== null) {
-            $settings = $this->readSectionStyle($xmlReader, $node);
-            $section->setSettings($settings);
-            $this->readHeaderFooter($settings, $section);
-        }
+        $settings = $this->readSectionStyle($xmlReader, $node);
+        $section->setSettings($settings);
+        $this->readHeaderFooter($settings, $section);
     }
 }
diff --git a/src/PhpWord/Shared/String.php b/src/PhpWord/Shared/String.php
index 259e904c..99b8cca3 100644
--- a/src/PhpWord/Shared/String.php
+++ b/src/PhpWord/Shared/String.php
@@ -86,14 +86,28 @@ class String
     }
 
     /**
-     * Returns unicode from UTF8 text
+     * Returns unicode array from UTF8 text
+     *
+     * The function is splitted to reduce cyclomatic complexity
      *
      * @param string $text UTF8 text
      * @return string Unicode text
      * @since 0.11.0
-     * @link http://www.randomchaos.com/documents/?source=php_and_unicode
      */
     public static function toUnicode($text)
+    {
+        return self::unicodeToEntities(self::utf8ToUnicode($text));
+    }
+
+    /**
+     * Returns unicode from UTF8 text
+     *
+     * @param string $text UTF8 text
+     * @return array
+     * @since 0.11.0
+     * @link http://www.randomchaos.com/documents/?source=php_and_unicode
+     */
+    private static function utf8ToUnicode($text)
     {
         $unicode = array();
         $values = array();
@@ -122,8 +136,21 @@ class String
             }
         }
 
-        // Converts text with utf8 characters into rtf utf8 entites preserving ascii
+        return $unicode;
+    }
+
+    /**
+     * Returns entites from unicode array
+     *
+     * @param array $unicode
+     * @return string
+     * @since 0.11.0
+     * @link http://www.randomchaos.com/documents/?source=php_and_unicode
+     */
+    private static function unicodeToEntities($unicode)
+    {
         $entities = '';
+
         foreach ($unicode as $value) {
             if ($value != 65279) {
                 $entities .= $value > 127 ? '\uc0{\u' . $value . '}' : chr($value);
diff --git a/src/PhpWord/Writer/HTML.php b/src/PhpWord/Writer/HTML.php
index 98cab55e..88e7658d 100644
--- a/src/PhpWord/Writer/HTML.php
+++ b/src/PhpWord/Writer/HTML.php
@@ -19,15 +19,6 @@ namespace PhpOffice\PhpWord\Writer;
 
 use PhpOffice\PhpWord\Exception\Exception;
 use PhpOffice\PhpWord\PhpWord;
-use PhpOffice\PhpWord\Settings;
-use PhpOffice\PhpWord\Style;
-use PhpOffice\PhpWord\Style\Font;
-use PhpOffice\PhpWord\Style\Paragraph;
-use PhpOffice\PhpWord\Writer\HTML\Element\Container;
-use PhpOffice\PhpWord\Writer\HTML\Element\TextRun as TextRunWriter;
-use PhpOffice\PhpWord\Writer\HTML\Style\Font as FontStyleWriter;
-use PhpOffice\PhpWord\Writer\HTML\Style\Generic as GenericStyleWriter;
-use PhpOffice\PhpWord\Writer\HTML\Style\Paragraph as ParagraphStyleWriter;
 
 /**
  * HTML writer
@@ -57,6 +48,17 @@ class HTML extends AbstractWriter implements WriterInterface
     public function __construct(PhpWord $phpWord = null)
     {
         $this->setPhpWord($phpWord);
+
+        $this->parts = array('Head', 'Body');
+        foreach ($this->parts as $partName) {
+            $partClass = 'PhpOffice\\PhpWord\\Writer\\HTML\\Part\\' . $partName;
+            if (class_exists($partClass)) {
+                /** @var \PhpOffice\PhpWord\Writer\HTML\Part\AbstractPart $part Type hint */
+                $part = new $partClass();
+                $part->setParentWriter($this);
+                $this->writerParts[strtolower($partName)] = $part;
+            }
+        }
     }
 
     /**
@@ -89,164 +91,13 @@ class HTML extends AbstractWriter implements WriterInterface
         $content .= '<!DOCTYPE html>' . PHP_EOL;
         $content .= '<!-- Generated by PHPWord -->' . PHP_EOL;
         $content .= '<html>' . PHP_EOL;
-        $content .= '<head>' . PHP_EOL;
-        $content .= $this->writeHead();
-        $content .= '</head>' . PHP_EOL;
-        $content .= '<body>' . PHP_EOL;
-        $content .= $this->writeBody();
-        $content .= $this->writeNotes();
-        $content .= '</body>' . PHP_EOL;
+        $content .= $this->getWriterPart('Head')->write();
+        $content .= $this->getWriterPart('Body')->write();
         $content .= '</html>' . PHP_EOL;
 
         return $content;
     }
 
-    /**
-     * Generate HTML header
-     *
-     * @return string
-     */
-    private function writeHead()
-    {
-        $phpWord = $this->getPhpWord();
-        $properties = $phpWord->getDocumentProperties();
-        $propertiesMapping = array(
-            'creator' => 'author',
-            'title' => '',
-            'description' => '',
-            'subject' => '',
-            'keywords' => '',
-            'category' => '',
-            'company' => '',
-            'manager' => ''
-        );
-        $title = $properties->getTitle();
-        $title = ($title != '') ? $title : 'PHPWord';
-
-        $content = '';
-        $content .= '<meta charset="UTF-8" />' . PHP_EOL;
-        $content .= '<title>' . htmlspecialchars($title) . '</title>' . PHP_EOL;
-        foreach ($propertiesMapping as $key => $value) {
-            $value = ($value == '') ? $key : $value;
-            $method = "get" . $key;
-            if ($properties->$method() != '') {
-                $content .= '<meta name="' . $value . '" content="' .
-                    htmlspecialchars($properties->$method()) . '" />' . PHP_EOL;
-            }
-        }
-        $content .= $this->writeStyles();
-
-        return $content;
-    }
-
-    /**
-     * Get content
-     *
-     * @return string
-     */
-    private function writeBody()
-    {
-        $phpWord = $this->getPhpWord();
-        $content = '';
-
-        $sections = $phpWord->getSections();
-        $countSections = count($sections);
-
-        if ($countSections > 0) {
-            foreach ($sections as $section) {
-                $writer = new Container($this, $section);
-                $content .= $writer->write();
-            }
-        }
-
-        return $content;
-    }
-
-    /**
-     * Get styles
-     *
-     * @return string
-     */
-    private function writeStyles()
-    {
-        $css = '<style>' . PHP_EOL;
-
-        // Default styles
-        $defaultStyles = array(
-            '*' => array(
-                'font-family' => Settings::getDefaultFontName(),
-                'font-size' => Settings::getDefaultFontSize() . 'pt',
-            ),
-            'a.NoteRef' => array(
-                'text-decoration' => 'none',
-            ),
-            'hr' => array(
-                'height' => '1px',
-                'padding' => '0',
-                'margin' => '1em 0',
-                'border' => '0',
-                'border-top' => '1px solid #CCC',
-            ),
-        );
-        foreach ($defaultStyles as $selector => $style) {
-            $styleWriter = new GenericStyleWriter($style);
-            $css .= $selector . ' {' . $styleWriter->write() . '}' . PHP_EOL;
-        }
-
-        // Custom styles
-        $customStyles = Style::getStyles();
-        if (is_array($customStyles)) {
-            foreach ($customStyles as $name => $style) {
-                if ($style instanceof Font) {
-                    $styleWriter = new FontStyleWriter($style);
-                    if ($style->getStyleType() == 'title') {
-                        $name = str_replace('Heading_', 'h', $name);
-                    } else {
-                        $name = '.' . $name;
-                    }
-                    $css .= "{$name} {" . $styleWriter->write() . '}'  . PHP_EOL;
-                } elseif ($style instanceof Paragraph) {
-                    $styleWriter = new ParagraphStyleWriter($style);
-                    $name = '.' . $name;
-                    $css .= "{$name} {" . $styleWriter->write() . '}'  . PHP_EOL;
-                }
-            }
-        }
-        $css .= '</style>' . PHP_EOL;
-
-        return $css;
-    }
-
-    /**
-     * Write footnote/endnote contents as textruns
-     */
-    private function writeNotes()
-    {
-        $phpWord = $this->getPhpWord();
-        $content = PHP_EOL;
-
-        if (!empty($this->notes)) {
-            $content .= "<hr />" . PHP_EOL;
-            foreach ($this->notes as $noteId => $noteMark) {
-                list($noteType, $noteTypeId) = explode('-', $noteMark);
-                $method = 'get' . ($noteType == 'endnote' ? 'Endnotes' : 'Footnotes');
-                $collection = $phpWord->$method()->getItems();
-
-                if (array_key_exists($noteTypeId, $collection)) {
-                    $element = $collection[$noteTypeId];
-                    $noteAnchor = "<a name=\"note-{$noteId}\" />";
-                    $noteAnchor .= "<a href=\"#{$noteMark}\" class=\"NoteRef\"><sup>{$noteId}</sup></a>";
-
-                    $writer = new TextRunWriter($this, $element);
-                    $writer->setOpeningText($noteAnchor);
-                    $content .= $writer->write();
-                }
-            }
-        }
-
-        return $content;
-    }
-
     /**
      * Get is PDF
      *
diff --git a/src/PhpWord/Writer/HTML/Element/Image.php b/src/PhpWord/Writer/HTML/Element/Image.php
index dafc1c38..698b7e86 100644
--- a/src/PhpWord/Writer/HTML/Element/Image.php
+++ b/src/PhpWord/Writer/HTML/Element/Image.php
@@ -88,7 +88,7 @@ class Image extends Text
         } else {
             $actualSource = $source;
         }
-        if (is_null($actualSource)) {
+        if ($actualSource === null) {
             return null;
         }
 
@@ -100,12 +100,13 @@ class Image extends Text
             $imageBinary = ob_get_contents();
             ob_end_clean();
         } else {
-            if ($fileHandle = fopen($actualSource, 'rb', false)) {
+            $fileHandle = fopen($actualSource, 'rb', false);
+            if ($fileHandle !== false) {
                 $imageBinary = fread($fileHandle, filesize($actualSource));
                 fclose($fileHandle);
             }
         }
-        if (!is_null($imageBinary)) {
+        if ($imageBinary !== null) {
             $base64 = chunk_split(base64_encode($imageBinary));
             $imageData = 'data:' . $imageType . ';base64,' . $base64;
         }
diff --git a/src/PhpWord/Writer/HTML/Part/AbstractPart.php b/src/PhpWord/Writer/HTML/Part/AbstractPart.php
new file mode 100644
index 00000000..319aa20f
--- /dev/null
+++ b/src/PhpWord/Writer/HTML/Part/AbstractPart.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Writer\HTML\Part;
+
+use PhpOffice\PhpWord\Exception\Exception;
+use PhpOffice\PhpWord\Writer\AbstractWriter;
+
+/**
+ * Abstract HTML part writer
+ *
+ * @since 0.11.0
+ */
+abstract class AbstractPart
+{
+    /**
+     * Parent writer
+     *
+     * @var \PhpOffice\PhpWord\Writer\AbstractWriter
+     */
+    private $parentWriter;
+
+    /**
+     * Write part
+     *
+     * @return string
+     */
+    abstract public function write();
+
+    /**
+     * Set parent writer
+     *
+     * @param \PhpOffice\PhpWord\Writer\AbstractWriter $writer
+     */
+    public function setParentWriter(AbstractWriter $writer = null)
+    {
+        $this->parentWriter = $writer;
+    }
+
+    /**
+     * Get parent writer
+     *
+     * @return \PhpOffice\PhpWord\Writer\AbstractWriter
+     * @throws \PhpOffice\PhpWord\Exception\Exception
+     */
+    public function getParentWriter()
+    {
+        if ($this->parentWriter !== null) {
+            return $this->parentWriter;
+        } else {
+            throw new Exception('No parent WriterInterface assigned.');
+        }
+    }
+}
diff --git a/src/PhpWord/Writer/HTML/Part/Body.php b/src/PhpWord/Writer/HTML/Part/Body.php
new file mode 100644
index 00000000..4fd61a83
--- /dev/null
+++ b/src/PhpWord/Writer/HTML/Part/Body.php
@@ -0,0 +1,89 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Writer\HTML\Part;
+
+use PhpOffice\PhpWord\Writer\HTML\Element\Container;
+use PhpOffice\PhpWord\Writer\HTML\Element\TextRun as TextRunWriter;
+
+/**
+ * RTF body part writer
+ *
+ * @since 0.11.0
+ */
+class Body extends AbstractPart
+{
+    /**
+     * Write part
+     *
+     * @return string
+     */
+    public function write()
+    {
+        $phpWord = $this->getParentWriter()->getPhpWord();
+
+        $content = '';
+
+        $content .= '<body>' . PHP_EOL;
+        $sections = $phpWord->getSections();
+        foreach ($sections as $section) {
+            $writer = new Container($this->getParentWriter(), $section);
+            $content .= $writer->write();
+        }
+
+        $content .= $this->writeNotes();
+        $content .= '</body>' . PHP_EOL;
+
+        return $content;
+    }
+
+    /**
+     * Write footnote/endnote contents as textruns
+     *
+     * @return string
+     */
+    private function writeNotes()
+    {
+        /** @var \PhpOffice\PhpWord\Writer\HTML $parentWriter Type hint */
+        $parentWriter = $this->getParentWriter();
+        $phpWord = $parentWriter->getPhpWord();
+        $notes = $parentWriter->getNotes();
+
+        $content = '';
+
+        if (!empty($notes)) {
+            $content .= "<hr />" . PHP_EOL;
+            foreach ($notes as $noteId => $noteMark) {
+                list($noteType, $noteTypeId) = explode('-', $noteMark);
+                $method = 'get' . ($noteType == 'endnote' ? 'Endnotes' : 'Footnotes');
+                $collection = $phpWord->$method()->getItems();
+
+                if (array_key_exists($noteTypeId, $collection)) {
+                    $element = $collection[$noteTypeId];
+                    $noteAnchor = "<a name=\"note-{$noteId}\" />";
+                    $noteAnchor .= "<a href=\"#{$noteMark}\" class=\"NoteRef\"><sup>{$noteId}</sup></a>";
+
+                    $writer = new TextRunWriter($this->getParentWriter(), $element);
+                    $writer->setOpeningText($noteAnchor);
+                    $content .= $writer->write();
+                }
+            }
+        }
+
+        return $content;
+    }
+}
diff --git a/src/PhpWord/Writer/HTML/Part/Head.php b/src/PhpWord/Writer/HTML/Part/Head.php
new file mode 100644
index 00000000..389d568b
--- /dev/null
+++ b/src/PhpWord/Writer/HTML/Part/Head.php
@@ -0,0 +1,129 @@
+<?php
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @link        https://github.com/PHPOffice/PHPWord
+ * @copyright   2010-2014 PHPWord contributors
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWord\Writer\HTML\Part;
+
+use PhpOffice\PhpWord\Settings;
+use PhpOffice\PhpWord\Style;
+use PhpOffice\PhpWord\Style\Font;
+use PhpOffice\PhpWord\Style\Paragraph;
+use PhpOffice\PhpWord\Writer\HTML\Style\Font as FontStyleWriter;
+use PhpOffice\PhpWord\Writer\HTML\Style\Generic as GenericStyleWriter;
+use PhpOffice\PhpWord\Writer\HTML\Style\Paragraph as ParagraphStyleWriter;
+
+/**
+ * RTF head part writer
+ *
+ * @since 0.11.0
+ */
+class Head extends AbstractPart
+{
+
+    /**
+     * Write part
+     *
+     * @return string
+     */
+    public function write()
+    {
+        $docProps = $this->getParentWriter()->getPhpWord()->getDocumentProperties();
+        $propertiesMapping = array(
+            'creator' => 'author',
+            'title' => '',
+            'description' => '',
+            'subject' => '',
+            'keywords' => '',
+            'category' => '',
+            'company' => '',
+            'manager' => ''
+        );
+        $title = $docProps->getTitle();
+        $title = ($title != '') ? $title : 'PHPWord';
+
+        $content = '';
+
+        $content .= '<head>' . PHP_EOL;
+        $content .= '<meta charset="UTF-8" />' . PHP_EOL;
+        $content .= '<title>' . htmlspecialchars($title) . '</title>' . PHP_EOL;
+        foreach ($propertiesMapping as $key => $value) {
+            $value = ($value == '') ? $key : $value;
+            $method = "get" . $key;
+            if ($docProps->$method() != '') {
+                $content .= '<meta name="' . $value . '" content="' .
+                    htmlspecialchars($docProps->$method()) . '" />' . PHP_EOL;
+            }
+        }
+        $content .= $this->writeStyles();
+        $content .= '</head>' . PHP_EOL;
+
+        return $content;
+    }
+    /**
+     * Get styles
+     *
+     * @return string
+     */
+    private function writeStyles()
+    {
+        $css = '<style>' . PHP_EOL;
+
+        // Default styles
+        $defaultStyles = array(
+            '*' => array(
+                'font-family' => Settings::getDefaultFontName(),
+                'font-size' => Settings::getDefaultFontSize() . 'pt',
+            ),
+            'a.NoteRef' => array(
+                'text-decoration' => 'none',
+            ),
+            'hr' => array(
+                'height' => '1px',
+                'padding' => '0',
+                'margin' => '1em 0',
+                'border' => '0',
+                'border-top' => '1px solid #CCC',
+            ),
+        );
+        foreach ($defaultStyles as $selector => $style) {
+            $styleWriter = new GenericStyleWriter($style);
+            $css .= $selector . ' {' . $styleWriter->write() . '}' . PHP_EOL;
+        }
+
+        // Custom styles
+        $customStyles = Style::getStyles();
+        if (is_array($customStyles)) {
+            foreach ($customStyles as $name => $style) {
+                if ($style instanceof Font) {
+                    $styleWriter = new FontStyleWriter($style);
+                    if ($style->getStyleType() == 'title') {
+                        $name = str_replace('Heading_', 'h', $name);
+                    } else {
+                        $name = '.' . $name;
+                    }
+                    $css .= "{$name} {" . $styleWriter->write() . '}'  . PHP_EOL;
+                } elseif ($style instanceof Paragraph) {
+                    $styleWriter = new ParagraphStyleWriter($style);
+                    $name = '.' . $name;
+                    $css .= "{$name} {" . $styleWriter->write() . '}'  . PHP_EOL;
+                }
+            }
+        }
+        $css .= '</style>' . PHP_EOL;
+
+        return $css;
+    }
+}
diff --git a/src/PhpWord/Writer/PDF/AbstractRenderer.php b/src/PhpWord/Writer/PDF/AbstractRenderer.php
index f7266d1a..83b02251 100644
--- a/src/PhpWord/Writer/PDF/AbstractRenderer.php
+++ b/src/PhpWord/Writer/PDF/AbstractRenderer.php
@@ -84,6 +84,7 @@ abstract class AbstractRenderer extends HTML
         parent::__construct($phpWord);
         $includeFile = Settings::getPdfRendererPath() . '/' . $this->includeFile;
         if (file_exists($includeFile)) {
+            /** @noinspection PhpIncludeInspection Dynamic includes */
             require_once $includeFile;
         } else {
             throw new Exception('Unable to load PDF Rendering library');
diff --git a/src/PhpWord/Writer/RTF.php b/src/PhpWord/Writer/RTF.php
index aaf412de..ef94b264 100644
--- a/src/PhpWord/Writer/RTF.php
+++ b/src/PhpWord/Writer/RTF.php
@@ -35,7 +35,8 @@ class RTF extends AbstractWriter implements WriterInterface
     private $lastParagraphStyle;
 
     /**
-     * Create new RTF writer
+     * Create new instance
+     *
      * @param \PhpOffice\PhpWord\PhpWord $phpWord
      */
     public function __construct(PhpWord $phpWord = null)
@@ -52,7 +53,6 @@ class RTF extends AbstractWriter implements WriterInterface
                 $this->writerParts[strtolower($partName)] = $part;
             }
         }
-
     }
 
     /**
diff --git a/src/PhpWord/Writer/RTF/Part/AbstractPart.php b/src/PhpWord/Writer/RTF/Part/AbstractPart.php
index 3a73a226..b10e5654 100644
--- a/src/PhpWord/Writer/RTF/Part/AbstractPart.php
+++ b/src/PhpWord/Writer/RTF/Part/AbstractPart.php
@@ -17,52 +17,13 @@
 
 namespace PhpOffice\PhpWord\Writer\RTF\Part;
 
-use PhpOffice\PhpWord\Exception\Exception;
-use PhpOffice\PhpWord\Writer\AbstractWriter;
+use PhpOffice\PhpWord\Writer\HTML\Part\AbstractPart as HTMLAbstractPart;
 
 /**
  * Abstract RTF part writer
  *
  * @since 0.11.0
  */
-abstract class AbstractPart
+abstract class AbstractPart extends HTMLAbstractPart
 {
-    /**
-     * Parent writer
-     *
-     * @var \PhpOffice\PhpWord\Writer\AbstractWriter
-     */
-    private $parentWriter;
-
-    /**
-     * Write part
-     *
-     * @return string
-     */
-    abstract public function write();
-
-    /**
-     * Set parent writer
-     *
-     * @param \PhpOffice\PhpWord\Writer\AbstractWriter $writer
-     */
-    public function setParentWriter(AbstractWriter $writer = null)
-    {
-        $this->parentWriter = $writer;
-    }
-
-    /**
-     * Get parent writer
-     *
-     * @return \PhpOffice\PhpWord\Writer\AbstractWriter
-     * @throws \PhpOffice\PhpWord\Exception\Exception
-     */
-    public function getParentWriter()
-    {
-        if ($this->parentWriter !== null) {
-            return $this->parentWriter;
-        } else {
-            throw new Exception('No parent WriterInterface assigned.');
-        }
-    }
 }
diff --git a/src/PhpWord/Writer/Word2007/Element/Container.php b/src/PhpWord/Writer/Word2007/Element/Container.php
index 7d1c8104..3dad824d 100644
--- a/src/PhpWord/Writer/Word2007/Element/Container.php
+++ b/src/PhpWord/Writer/Word2007/Element/Container.php
@@ -17,8 +17,10 @@
 
 namespace PhpOffice\PhpWord\Writer\Word2007\Element;
 
+use PhpOffice\PhpWord\Element\AbstractElement as Element;
 use PhpOffice\PhpWord\Element\AbstractContainer as ContainerElement;
 use PhpOffice\PhpWord\Element\TextBreak as TextBreakElement;
+use PhpOffice\PhpWord\Shared\XMLWriter;
 
 /**
  * Container element writer (section, textrun, header, footnote, cell, etc.)
@@ -51,36 +53,52 @@ class Container extends AbstractElement
         $elements = $container->getElements();
         $elementClass = '';
         foreach ($elements as $element) {
-            $elementClass = substr(get_class($element), strrpos(get_class($element), '\\') + 1);
-            $writerClass = $this->namespace . '\\' . $elementClass;
-
-            // Check it's a page break. No need to write it, instead, flag containers' pageBreakBefore
-            // to be assigned to the next element
-            if ($elementClass == 'PageBreak') {
-                $this->setPageBreakBefore(true);
-                continue;
-            }
-            if (class_exists($writerClass)) {
-                // Get container's page break before and reset it
-                $pageBreakBefore = $this->hasPageBreakBefore();
-                $this->setPageBreakBefore(false);
-
-                /** @var \PhpOffice\PhpWord\Writer\Word2007\Element\AbstractElement $writer Type hint */
-                $writer = new $writerClass($xmlWriter, $element, $withoutP);
-                $writer->setPageBreakBefore($pageBreakBefore);
-                $writer->write();
-            }
+            $elementClass = $this->writeElement($xmlWriter, $element, $withoutP);
         }
 
-        // Special case for Cell: They have to contain a w:p element at the end. The $elementClass contains
-        // the last element name. If it's empty string or Table, the last element is not w:p
-        if ($containerClass == 'Cell') {
-            if ($elementClass == '' || $elementClass == 'Table') {
-                $writerClass = $this->namespace . '\\TextBreak';
-                /** @var \PhpOffice\PhpWord\Writer\Word2007\Element\AbstractElement $writer Type hint */
-                $writer = new $writerClass($xmlWriter, new TextBreakElement(), $withoutP);
-                $writer->write();
-            }
+        // Special case for Cell: They have to contain a w:p element at the end.
+        // The $elementClass contains the last element name. If it's empty string
+        // or Table, the last element is not w:p
+        $writeLastTextBreak = ($containerClass == 'Cell') && ($elementClass == '' || $elementClass == 'Table');
+        if ($writeLastTextBreak) {
+            $writerClass = $this->namespace . '\\TextBreak';
+            /** @var \PhpOffice\PhpWord\Writer\Word2007\Element\AbstractElement $writer Type hint */
+            $writer = new $writerClass($xmlWriter, new TextBreakElement(), $withoutP);
+            $writer->write();
         }
     }
+
+    /**
+     * Write individual element
+     *
+     * @param \PhpOffice\PhpWord\Shared\XMLWriter $xmlWriter
+     * @param \PhpOffice\PhpWord\Element\AbstractElement $element
+     * @param bool $withoutP
+     * @return string
+     */
+    private function writeElement(XMLWriter $xmlWriter, Element $element, $withoutP)
+    {
+        $elementClass = substr(get_class($element), strrpos(get_class($element), '\\') + 1);
+        $writerClass = $this->namespace . '\\' . $elementClass;
+
+        // Check it's a page break. No need to write it, instead, flag containers'
+        // pageBreakBefore to be assigned to the next element
+        if ($elementClass == 'PageBreak') {
+            $this->setPageBreakBefore(true);
+            return $elementClass;
+        }
+
+        if (class_exists($writerClass)) {
+            // Get container's page break before and reset it
+            $pageBreakBefore = $this->hasPageBreakBefore();
+            $this->setPageBreakBefore(false);
+
+            /** @var \PhpOffice\PhpWord\Writer\Word2007\Element\AbstractElement $writer Type hint */
+            $writer = new $writerClass($xmlWriter, $element, $withoutP);
+            $writer->setPageBreakBefore($pageBreakBefore);
+            $writer->write();
+        }
+
+        return $elementClass;
+    }
 }