Small cleanup.

6 files changed, 20 insertions, 9 deletions

diff --git a/src/reel_asset.h b/src/reel_asset.h
index 9211fbd1..4ad5b85b 100644
--- a/src/reel_asset.h
+++ b/src/reel_asset.h
@@ -85,6 +85,17 @@ public:
 	}
 
 protected:
+
+	template <class T>
+	boost::shared_ptr<T> asset_of_type () const {
+		return boost::dynamic_pointer_cast<T> (_asset_ref.asset ());
+	}
+
+	template <class T>
+	boost::shared_ptr<T> asset_of_type () {
+		return boost::dynamic_pointer_cast<T> (_asset_ref.asset ());
+	}
+
 	/** @return the node name that this asset uses in the CPL's &lt;Reel&gt; node
 	 *  e.g. MainPicture, MainSound etc.
 	 */
diff --git a/src/reel_mono_picture_asset.h b/src/reel_mono_picture_asset.h
index da2eb087..4acc8296 100644
--- a/src/reel_mono_picture_asset.h
+++ b/src/reel_mono_picture_asset.h
@@ -43,12 +43,12 @@ public:
 
 	/** @return the MonoPictureAsset that this object refers to */
 	boost::shared_ptr<const MonoPictureAsset> mono_asset () const {
-		return boost::dynamic_pointer_cast<const MonoPictureAsset> (_asset_ref.asset ());
+		return asset_of_type<const MonoPictureAsset> ();
 	}
 
 	/** @return the MonoPictureAsset that this object refers to */
 	boost::shared_ptr<MonoPictureAsset> mono_asset () {
-		return boost::dynamic_pointer_cast<MonoPictureAsset> (_asset_ref.asset ());
+		return asset_of_type<MonoPictureAsset> ();
 	}
 
 private:
diff --git a/src/reel_picture_asset.h b/src/reel_picture_asset.h
index 39ef3431..1611221f 100644
--- a/src/reel_picture_asset.h
+++ b/src/reel_picture_asset.h
@@ -45,12 +45,12 @@ public:
 
 	/** @return the PictureAsset that this object refers to */
 	boost::shared_ptr<const PictureAsset> asset () const {
-		return boost::dynamic_pointer_cast<const PictureAsset> (_asset_ref.asset ());
+		return asset_of_type<const PictureAsset> ();
 	}
 
 	/** @return the PictureAsset that this object refers to */
 	boost::shared_ptr<PictureAsset> asset () {
-		return boost::dynamic_pointer_cast<PictureAsset> (_asset_ref.asset ());
+		return asset_of_type<PictureAsset> ();
 	}
 
 	/** @return picture frame rate */
diff --git a/src/reel_sound_asset.h b/src/reel_sound_asset.h
index 3158f8a0..fd1a63fe 100644
--- a/src/reel_sound_asset.h
+++ b/src/reel_sound_asset.h
@@ -42,12 +42,12 @@ public:
 
 	/** @return the SoundAsset that this object refers to */
 	boost::shared_ptr<SoundAsset> asset () {
-		return boost::dynamic_pointer_cast<SoundAsset> (_asset_ref.asset ());
+		return asset_of_type<SoundAsset> ();
 	}
 
 	/** @return the SoundAsset that this object refers to */
 	boost::shared_ptr<const SoundAsset> asset () const {
-		return boost::dynamic_pointer_cast<const SoundAsset> (_asset_ref.asset ());
+		return asset_of_type<const SoundAsset> ();
 	}
 
 private:
diff --git a/src/reel_stereo_picture_asset.h b/src/reel_stereo_picture_asset.h
index 3c68f887..03bb6fd0 100644
--- a/src/reel_stereo_picture_asset.h
+++ b/src/reel_stereo_picture_asset.h
@@ -43,12 +43,12 @@ public:
 
 	/** @return the StereoPictureAsset that this object refers to */
 	boost::shared_ptr<const StereoPictureAsset> stereo_asset () const {
-		return boost::dynamic_pointer_cast<const StereoPictureAsset> (_asset_ref.asset ());
+		return asset_of_type<const StereoPictureAsset> ();
 	}
 
 	/** @return the StereoPictureAsset that this object refers to */
 	boost::shared_ptr<StereoPictureAsset> stereo_asset () {
-		return boost::dynamic_pointer_cast<StereoPictureAsset> (_asset_ref.asset ());
+		return asset_of_type<StereoPictureAsset> ();
 	}
 
 private:
diff --git a/src/reel_subtitle_asset.h b/src/reel_subtitle_asset.h
index 272b18f5..fa25bf9d 100644
--- a/src/reel_subtitle_asset.h
+++ b/src/reel_subtitle_asset.h
@@ -41,7 +41,7 @@ public:
 	ReelSubtitleAsset (boost::shared_ptr<const cxml::Node>);
 
 	boost::shared_ptr<SubtitleAsset> asset () const {
-		return boost::dynamic_pointer_cast<SubtitleAsset> (_asset_ref.asset ());
+		return asset_of_type<SubtitleAsset> ();
 	}
 
 private: