X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Floaderaction.h;h=afca01e9ba3b478d95bd320e550f0cf7fbf08fff;hb=bbb5a5b00b4008684d5c32b3ea2fd21f7a5fad54;hp=6eebeccc76f47c8144fac9f5ceeb93a35dff0a93;hpb=215e719d0ef85f748898660d15d01e77ac551de9;p=libs%2Fdatafile.git

diff --git a/source/loaderaction.h b/source/loaderaction.h
index 6eebecc..afca01e 100644
--- a/source/loaderaction.h
+++ b/source/loaderaction.h
@@ -1,14 +1,6 @@
-/* $Id$
-
-This file is part of libmspdatafile
-Copyright © 2008, 2010  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_DATAFILE_LOADERACTION_H_
 #define MSP_DATAFILE_LOADERACTION_H_
 
-#include "except.h"
 #include "statement.h"
 
 namespace Msp {
@@ -28,6 +20,8 @@ public:
 
 	/** Called to process a statement. */
 	virtual void execute(Loader &, const Statement &) const = 0;
+
+	virtual std::string get_signature() const = 0;
 };
 
 
@@ -45,11 +39,13 @@ private:
 public:
 	LoaderFunc0(FuncType f): func(f) { }
 
-	virtual void execute(Loader &l, const Statement &st) const
+	virtual void execute(Loader &l, const Statement &) const
 	{
-		if(st.args.size()!=0) throw TypeError("Wrong number of arguments");
 		(dynamic_cast<L &>(l).*func)();
 	};
+
+	virtual std::string get_signature() const
+	{ return std::string(); }
 };
 
 
@@ -69,9 +65,11 @@ public:
 
 	virtual void execute(Loader &l, const Statement &st) const
 	{
-		if(st.args.size()!=1) throw TypeError("Wrong number of arguments");
 		(dynamic_cast<L &>(l).*func)(st.args[0].get<A0>());
 	}
+
+	virtual std::string get_signature() const
+	{ return std::string(1, TypeInfo<A0>::signature); }
 };
 
 
@@ -97,6 +95,14 @@ public:
 			values.push_back(i->get<A0>());
 		(dynamic_cast<L &>(l).*func)(values);
 	}
+
+	virtual std::string get_signature() const
+	{
+		std::string result;
+		result += TypeInfo<A0>::signature;
+		result += '*';
+		return result;
+	}
 };
 
 
@@ -118,6 +124,9 @@ public:
 	{
 		(dynamic_cast<L &>(l).*func)(st);
 	}
+
+	virtual std::string get_signature() const
+	{ return "*"; }
 };
 
 
@@ -134,9 +143,16 @@ public:
 
 	virtual void execute(Loader &l, const Statement &st) const
 	{
-		if(st.args.size()!=2) throw TypeError("Wrong number of arguments");
 		(dynamic_cast<L &>(l).*func)(st.args[0].get<A0>(), st.args[1].get<A1>());
 	}
+
+	virtual std::string get_signature() const
+	{
+		std::string result;
+		result += TypeInfo<A0>::signature;
+		result += TypeInfo<A1>::signature;
+		return result;
+	}
 };
 
 
@@ -153,9 +169,17 @@ public:
 
 	virtual void execute(Loader &l, const Statement &st) const
 	{
-		if(st.args.size()!=3) throw TypeError("Wrong number of arguments");
 		(dynamic_cast<L &>(l).*func)(st.args[0].get<A0>(), st.args[1].get<A1>(), st.args[2].get<A2>());
 	}
+
+	virtual std::string get_signature() const
+	{
+		std::string result;
+		result += TypeInfo<A0>::signature;
+		result += TypeInfo<A1>::signature;
+		result += TypeInfo<A2>::signature;
+		return result;
+	}
 };
 
 
@@ -172,9 +196,18 @@ public:
 
 	virtual void execute(Loader &l, const Statement &st) const
 	{
-		if(st.args.size()!=4) throw TypeError("Wrong number of arguments");
 		(dynamic_cast<L &>(l).*func)(st.args[0].get<A0>(), st.args[1].get<A1>(), st.args[2].get<A2>(), st.args[3].get<A3>());
 	}
+
+	virtual std::string get_signature() const
+	{
+		std::string result;
+		result += TypeInfo<A0>::signature;
+		result += TypeInfo<A1>::signature;
+		result += TypeInfo<A2>::signature;
+		result += TypeInfo<A3>::signature;
+		return result;
+	}
 };
 
 
@@ -191,9 +224,19 @@ public:
 
 	virtual void execute(Loader &l, const Statement &st) const
 	{
-		if(st.args.size()!=5) throw TypeError("Wrong number of arguments");
 		(dynamic_cast<L &>(l).*func)(st.args[0].get<A0>(), st.args[1].get<A1>(), st.args[2].get<A2>(), st.args[3].get<A3>(), st.args[4].get<A4>());
 	}
+
+	virtual std::string get_signature() const
+	{
+		std::string result;
+		result += TypeInfo<A0>::signature;
+		result += TypeInfo<A1>::signature;
+		result += TypeInfo<A2>::signature;
+		result += TypeInfo<A3>::signature;
+		result += TypeInfo<A4>::signature;
+		return result;
+	}
 };
 
 
@@ -210,9 +253,11 @@ public:
 
 	virtual void execute(Loader &l, const Statement &st) const
 	{
-		if(st.args.size()!=1) throw TypeError("Wrong number of arguments");
-		dynamic_cast<typename L::Loader &>(l).get_object().*ptr0=st.args[0].get<T0>();
+		dynamic_cast<typename L::Loader &>(l).get_object().*ptr0 = st.args[0].get<T0>();
 	}
+
+	virtual std::string get_signature() const
+	{ return std::string(1, TypeInfo<T0>::signature); }
 };
 
 
@@ -229,10 +274,12 @@ public:
 
 	virtual void execute(Loader &l, const Statement &st) const
 	{
-		if(st.args.size()!=1) throw TypeError("Wrong number of arguments");
-		typename L::Loader &ldr=dynamic_cast<typename L::Loader &>(l);
-		ldr.get_object().*ptr0=ldr.get_collection().template get<T0>(st.args[0].get<std::string>());
+		typename L::Loader &ldr = dynamic_cast<typename L::Loader &>(l);
+		ldr.get_object().*ptr0 = &ldr.get_collection().template get<T0>(st.args[0].get<std::string>());
 	}
+
+	virtual std::string get_signature() const
+	{ return std::string(1, TypeInfo<std::string>::signature); }
 };
 
 
@@ -251,9 +298,16 @@ public:
 
 	virtual void execute(Loader &l, const Statement &st) const
 	{
-		if(st.args.size()!=2) throw TypeError("Wrong number of arguments");
-		dynamic_cast<typename L::Loader &>(l).get_object().*ptr0=st.args[0].get<T0>();
-		dynamic_cast<typename L::Loader &>(l).get_object().*ptr1=st.args[1].get<T1>();
+		dynamic_cast<typename L::Loader &>(l).get_object().*ptr0 = st.args[0].get<T0>();
+		dynamic_cast<typename L::Loader &>(l).get_object().*ptr1 = st.args[1].get<T1>();
+	}
+
+	virtual std::string get_signature() const
+	{
+		std::string result;
+		result += TypeInfo<T0>::signature;
+		result += TypeInfo<T1>::signature;
+		return result;
 	}
 };