Formatted code and added comments.

   */

  class FileName {

    public:

      // Constructors

      FileName();

      FileName(const char *fileName);

      FileName(const QString &fileName);

      //! Copy Constructor, creates a copy of a FileName object.

      FileName(const FileName &other);

      //! Destroys the FileName Object

      ~FileName();

      // Methods

      QString originalPath() const;

      QString path() const;

      QString attributes() const;

      QString baseName() const;

      QString name() const;

      QString extension() const;

      QString expanded() const;

      QString original() const;

      FileName addExtension(const QString &extension) const;

      FileName removeExtension() const;

      FileName setExtension(const QString &extension) const;

      bool isVersioned() const;

      bool isNumericallyVersioned() const;

      bool isDateVersioned() const;

      FileName highestVersion() const;

      FileName newVersion() const;

      FileName version(long versionNumber) const;

      FileName version(QDate versionDate) const;

      bool fileExists() const;

      QDir dir() const;

      static FileName createTempFile(FileName templateFileName = "$TEMPORARY/temp");

      QString toString() const;

      FileName &operator=(const FileName &rhs);

      bool operator==(const FileName &rhs);

      bool operator!=(const FileName &rhs);

    private:

      QDate highestVersionDate() const;

      long highestVersionNum() const;

      void validateVersioningState() const;

      QString fileNameQDatePattern() const;

      QPair<QString, QString> splitNameAroundVersionNum() const;

    private:

      /**

       * This is the reference-counted data for FileName

      class Data : public QSharedData {

        public:

          //Constructors

          Data();

          //! Copy Constructor, creates a copy of a Data object.

          Data(const Data &other);

          //! Destroys the Data Object

          ~Data();

          // Methods

          QString original(bool includeAttributes) const;

          void setOriginal(const QString &originalStr);

          QString expanded(bool includeAttributes) const;

        private: