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authorDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
committerDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
commitbd6336c629841c6db3a6ca53a936d629d34db53b (patch)
tree3721ef997864108df175ce677a8a7d4342a6f1d2 /shared/loki/OrderedStatic.h
parent4.0 (diff)
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-////////////////////////////////////////////////////////////////////////////////
-// The Loki Library
-// Copyright (c) 2005 Peter Kümmel
-// Permission to use, copy, modify, distribute and sell this software for any
-// purpose is hereby granted without fee, provided that the above copyright
-// notice appear in all copies and that both that copyright notice and this
-// permission notice appear in supporting documentation.
-// The author makes no representations about the
-// suitability of this software for any purpose. It is provided "as is"
-// without express or implied warranty.
-////////////////////////////////////////////////////////////////////////////////
-#ifndef LOKI_ORDEREDSTATIC_INC_
-#define LOKI_ORDEREDSTATIC_INC_
-
-// $Id: OrderedStatic.h 751 2006-10-17 19:50:37Z syntheticpp $
-
-
-#include <vector>
-#include <iostream>
-
-#include "LokiExport.h"
-#include "Singleton.h"
-#include "Typelist.h"
-#include "Sequence.h"
-
-// usage: see test/OrderedStatic
-
-namespace Loki
-{
-namespace Private
-{
-////////////////////////////////////////////////////////////////////////////////
-// polymorph base class for OrderedStatic template,
-// necessary because of the creator
-////////////////////////////////////////////////////////////////////////////////
-class LOKI_EXPORT OrderedStaticCreatorFunc
-{
-public:
- virtual void createObject() = 0;
-
-protected:
- OrderedStaticCreatorFunc();
- virtual ~OrderedStaticCreatorFunc();
-
-private:
- OrderedStaticCreatorFunc(const OrderedStaticCreatorFunc&);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// template base clase for OrderedStatic template,
-// common for all specializations
-////////////////////////////////////////////////////////////////////////////////
-template<class T>
-class OrderedStaticBase : public OrderedStaticCreatorFunc
-{
-public:
- T& operator*()
- {
- return *val_;
- }
-
- T* operator->()
- {
- return val_;
- }
-
-protected:
-
- OrderedStaticBase(unsigned int longevity) : val_(0), longevity_(longevity)
- {
- }
-
- virtual ~OrderedStaticBase()
- {
- }
-
- void SetLongevity(T* ptr)
- {
- val_ = ptr;
- Loki::SetLongevity(val_, longevity_);
- }
-
-private:
- OrderedStaticBase();
- OrderedStaticBase(const OrderedStaticBase&);
- OrderedStaticBase& operator=(const OrderedStaticBase&);
- T* val_;
- unsigned int longevity_;
-
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// OrderedStaticManagerClass implements details
-// OrderedStaticManager is then defined as a Singleton
-////////////////////////////////////////////////////////////////////////////////
-class LOKI_EXPORT OrderedStaticManagerClass
-{
-public:
- OrderedStaticManagerClass();
- virtual ~OrderedStaticManagerClass();
-
- typedef void (OrderedStaticCreatorFunc::*Creator)();
-
- void createObjects();
- void registerObject(unsigned int longevity, OrderedStaticCreatorFunc*, Creator);
-
-private:
- OrderedStaticManagerClass(const OrderedStaticManagerClass&);
- OrderedStaticManagerClass& operator=(const OrderedStaticManagerClass&);
-
- struct Data
- {
- Data(unsigned int, OrderedStaticCreatorFunc*, Creator);
- unsigned int longevity;
- OrderedStaticCreatorFunc* object;
- Creator creator;
- };
-
- std::vector<Data> staticObjects_;
- unsigned int max_longevity_;
- unsigned int min_longevity_;
-};
-
-}// namespace Private
-
-////////////////////////////////////////////////////////////////////////////////
-// OrderedStaticManager is only a Singleton typedef
-////////////////////////////////////////////////////////////////////////////////
-
-typedef Loki::SingletonHolder
-<
-Loki::Private::OrderedStaticManagerClass,
- Loki::CreateUsingNew,
- Loki::NoDestroy,
- Loki::SingleThreaded
- >
- OrderedStaticManager;
-
-////////////////////////////////////////////////////////////////////////////////
-// template OrderedStatic template:
-// L : longevity
-// T : object type
-// TList : creator parameters
-////////////////////////////////////////////////////////////////////////////////
-
-template<unsigned int L, class T, class TList = Loki::NullType>
-class OrderedStatic;
-
-
-////////////////////////////////////////////////////////////////////////////////
-// OrderedStatic specializations
-////////////////////////////////////////////////////////////////////////////////
-
-template<unsigned int L, class T>
-class OrderedStatic<L, T, Loki::NullType> : public Private::OrderedStaticBase<T>
-{
-public:
- OrderedStatic() : Private::OrderedStaticBase<T>(L)
- {
- OrderedStaticManager::Instance().registerObject
- (L, this, &Private::OrderedStaticCreatorFunc::createObject);
- }
-
- void createObject()
- {
- Private::OrderedStaticBase<T>::SetLongevity(new T);
- }
-
-private:
- OrderedStatic(const OrderedStatic&);
- OrderedStatic& operator=(const OrderedStatic&);
-};
-
-template<unsigned int L, class T, typename P1>
-class OrderedStatic<L, T, Loki::Seq<P1> > : public Private::OrderedStaticBase<T>
-{
-public:
- OrderedStatic(P1 p) : Private::OrderedStaticBase<T>(L), para_(p)
- {
- OrderedStaticManager::Instance().registerObject
- (L, this, &Private::OrderedStaticCreatorFunc::createObject);
- }
-
- void createObject()
- {
- Private::OrderedStaticBase<T>::SetLongevity(new T(para_));
- }
-
-private:
- OrderedStatic();
- OrderedStatic(const OrderedStatic&);
- OrderedStatic& operator=(const OrderedStatic&);
- P1 para_;
-};
-
-template<unsigned int L, class T, typename P1>
-class OrderedStatic<L, T, P1(*)() > : public Private::OrderedStaticBase<T>
-{
-public:
-
- typedef P1(*Func)();
-
- OrderedStatic(Func p) : Private::OrderedStaticBase<T>(L), para_(p)
- {
- OrderedStaticManager::Instance().registerObject
- (L, this, &Private::OrderedStaticCreatorFunc::createObject);
- }
-
- void createObject()
- {
- Private::OrderedStaticBase<T>::SetLongevity(new T(para_()));
- }
-
-private:
- OrderedStatic();
- OrderedStatic(const OrderedStatic&);
- OrderedStatic& operator=(const OrderedStatic&);
- Func para_;
-};
-
-}// namespace Loki
-
-
-#endif // end file guardian
-
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