From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 18 Oct 2007 13:43:18 +0000 (+0000)
Subject: Add Collection::get_list
X-Git-Tag: 1.0~14
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=9c0da3059eed8470325477d99a0d56f0948534fd;p=libs%2Fdatafile.git

Add Collection::get_list
---

diff --git a/source/collection.h b/source/collection.h
index 85ca843..6ddbe6e 100644
--- a/source/collection.h
+++ b/source/collection.h
@@ -251,11 +251,26 @@ public:
 	{
 		std::list<std::string> result;
 		for(ItemMap::const_iterator i=items.begin(); i!=items.end(); ++i)
-			if(dynamic_cast<const Item<T> *>(i->second))
+			if(dynamic_cast<const Item<typename RemoveConst<T>::Type> *>(i->second))
 				result.push_back(i->first);
 		return result;
 	}
 
+	/**
+	Returns a list of objects of a specific type in the collection.
+	*/
+	template<typename T>
+	std::list<T *> get_list() const
+	{
+		typedef typename RemoveConst<T>::Type NCT;
+
+		std::list<T *> result;
+		for(ItemMap::const_iterator i=items.begin(); i!=items.end(); ++i)
+			if(Item<NCT> *item=dynamic_cast<Item<NCT> *>(i->second))
+				result.push_back(item->data);
+		return result;
+	}
+
 	/**
 	Checks whether a name exists in the collection.  Does not care about the
 	type of the object.