From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 7 Oct 2021 12:54:23 +0000 (+0300)
Subject: Tweak DynamicObjectLoader to make it extensible
X-Git-Url: http://git.tdb.fi/?p=libs%2Fdatafile.git;a=commitdiff_plain;h=f2f933f53cd729ca034e054085b96107f64f3928

Tweak DynamicObjectLoader to make it extensible

Subclasses can now override te type handler and access the object without
clearing it, for example to perform some custom initialization after the
object has been created.
---

diff --git a/source/dynamicobjectloader.h b/source/dynamicobjectloader.h
index e29633d..551a0a6 100644
--- a/source/dynamicobjectloader.h
+++ b/source/dynamicobjectloader.h
@@ -31,8 +31,8 @@ protected:
 	typedef Msp::TypeRegistry<CreateObject, DynamicObjectLoader &> TypeRegistry;
 
 	Collection *coll;
-private:
 	T *object;
+private:
 	Loader *obj_loader;
 	std::function<void(Collection &, const std::string &, T *)> store_func;
 
@@ -50,9 +50,10 @@ public:
 	T *get_object() { T *o = object; object = 0; return o; }
 	T *store_object(Collection &, const std::string &);
 
-private:
-	void type(const Symbol &);
+protected:
+	virtual void type(const Symbol &);
 
+private:
 	template<typename U>
 	typename std::enable_if<NeedsCollection<typename U::Loader>::value, typename U::Loader *>::type create_object_loader(U &obj) const;