add an accessor method for the underlying ::FLAC__StreamMetadata object

diff --git a/include/FLAC++/metadata.h b/include/FLAC++/metadata.h
index 500b5b1..08b15b0 100644 (file)
--- a/include/FLAC++/metadata.h
+++ b/include/FLAC++/metadata.h
@@ -197,6 +197,15 @@ namespace FLAC {
                         *   \code is_valid() \endcode
                         */
                        void set_is_last(bool);
+
+                       /** Returns a pointer to the underlying ::FLAC__StreamMetadata
+                        *  object.  This can be useful for plugging any holes between
+                        *  the C++ and C interfaces.
+                        *
+                        * \assert
+                        *   \code is_valid() \endcode
+                        */
+                       inline operator const ::FLAC__StreamMetadata *() const;
                private:
                        /** Private and undefined so you can't use it. */
                        Prototype();
@@ -227,6 +236,9 @@ namespace FLAC {
                inline bool Prototype::is_valid() const
                { return 0 != object_; }
 
+               inline Prototype::operator const ::FLAC__StreamMetadata *() const
+               { return object_; }
+
                /** Create a deep copy of an object and return it. */
                FLACPP_API Prototype *clone(const Prototype *);