X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fvalue.h;h=e2b9fb1c569782fcbc96dc9d687d9b48eb83388d;hb=b39ce68f12c30eedb272b65fe78baec5864d89ca;hp=4b3ac4192b400f58388716d5baeaee7f243cb759;hpb=aa8bfd3c13848dc27947d3947038bd66c258d288;p=libs%2Fdatafile.git

diff --git a/source/value.h b/source/value.h
index 4b3ac41..e2b9fb1 100644
--- a/source/value.h
+++ b/source/value.h
@@ -1,98 +1,54 @@
-/* $Id$
-
-This file is part of libmspdatafile
-Copyright © 2006  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
 #ifndef MSP_DATAFILE_VALUE_H_
 #define MSP_DATAFILE_VALUE_H_
 
 #include <vector>
-#include <msp/strings/lexicalcast.h>
-#include "except.h"
+#include <msp/core/meta.h>
+#include <msp/core/variant.h>
+#include "type.h"
 
 namespace Msp {
 namespace DataFile {
 
-enum Type
-{
-	INTEGER,
-	FLOAT,
-	STRING,
-	BOOLEAN,
-	ENUM
-};
-
-template<typename T> struct TypeResolver       { static const Type type=ENUM; };
-template<> struct TypeResolver<short>          { static const Type type=INTEGER; };
-template<> struct TypeResolver<unsigned short> { static const Type type=INTEGER; };
-template<> struct TypeResolver<int>            { static const Type type=INTEGER; };
-template<> struct TypeResolver<unsigned>       { static const Type type=INTEGER; };
-template<> struct TypeResolver<long>           { static const Type type=INTEGER; };
-template<> struct TypeResolver<unsigned long>  { static const Type type=INTEGER; };
-template<> struct TypeResolver<long long>      { static const Type type=INTEGER; };
-template<> struct TypeResolver<unsigned long long> { static const Type type=INTEGER; };
-template<> struct TypeResolver<float>          { static const Type type=FLOAT; };
-template<> struct TypeResolver<double>         { static const Type type=FLOAT; };
-template<> struct TypeResolver<bool>           { static const Type type=BOOLEAN; };
-template<> struct TypeResolver<std::string>    { static const Type type=STRING; };
-template<typename T> struct TypeResolver<const T>   { static const Type type=TypeResolver<T>::type; };
-template<typename T> struct TypeResolver<T &>       { static const Type type=TypeResolver<T>::type; };
-template<typename T> struct TypeResolver<const T &> { static const Type type=TypeResolver<T>::type; };
-
 class Value
 {
-public:
-	Value(Type t, const std::string &d): type(t), data(d) { }
+private:
+	char sig;
+	Variant data;
 
+public:
 	template<typename T>
-	Value(T d): type(TypeResolver<T>::type), data(lexical_cast(d)) { }
+	Value(T d):
+		sig(TypeInfo<T>::signature),
+		data(static_cast<typename TypeInfo<T>::Store>(d))
+	{ }
+
+	Value(Symbol d): sig(TypeInfo<Symbol>::signature), data(d) { }
 
 	template<typename T>
-	T get() const;
+	typename TypeInfo<T>::Load get() const
+	{ return get_<typename TypeInfo<T>::Store>(); }
 
-	Type get_type() const { return type; }
-	const std::string &get_raw() const { return data; }
+	char get_signature() const { return sig; }
 private:
-	Type type;
-	std::string data;
+	template<typename T>
+	T get_() const;
 };
 
-typedef std::vector<Value> ValueArray;
-
-template<Type T> inline bool check_type(Type t)  { return t==T; }
-template<> inline bool check_type<FLOAT>(Type t) { return t==INTEGER || t==FLOAT; }
+typedef std::vector<Value> ValueArray __attribute__((deprecated));
 
 template<typename T>
-inline T Value::get() const
-{
-	if(!check_type<TypeResolver<T>::type>(type))
-		throw TypeError("Type mismatch");
-
-	std::istringstream ss(data);
-	T result;
-	ss>>result;
-	if(ss.fail())
-		//XXX
-		throw Exception("Invalid value");
-
-	return result;
-}
-
-template<>
-inline std::string Value::get<std::string>() const
+inline T Value::get_() const
 {
-	if(type!=STRING)
-		throw TypeError("Type mismatch");
-	return data;
+	return data.value<typename TypeInfo<T>::Store>();
 }
 
 template<>
-inline const std::string &Value::get<const std::string&>() const
+inline FloatType::Store Value::get_<FloatType::Store>() const
 {
-	if(type!=STRING)
-		throw TypeError("Type mismatch");
-	return data;
+	if(sig==IntType::signature)
+		return data.value<IntType::Store>();
+	else
+		return data.value<FloatType::Store>();
 }
 
 } // namespace DataFile