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poco/Foundation/include/Poco/ClassLibrary.h
FrancisANDRE 4368a1fcfe add POCO_EXPORT_INTERFACE to ClassLibrary.h
Signed-off-by: FrancisANDRE <zosrothko@orange.fr>
2015-08-08 11:27:12 +02:00

108 lines
2.4 KiB
C++

//
// ClassLibrary.h
//
// $Id: //poco/1.4/Foundation/include/Poco/ClassLibrary.h#1 $
//
// Library: Foundation
// Package: SharedLibrary
// Module: ClassLoader
//
// Definitions for class libraries.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_ClassLibrary_INCLUDED
#define Foundation_ClassLibrary_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/Manifest.h"
#include <typeinfo>
#if defined(_WIN32)
#define POCO_LIBRARY_API __declspec(dllexport)
#else
#define POCO_LIBRARY_API
#endif
//
// the entry points for every class library
//
extern "C"
{
bool POCO_LIBRARY_API pocoBuildManifest(Poco::ManifestBase* pManifest);
void POCO_LIBRARY_API pocoInitializeLibrary();
void POCO_LIBRARY_API pocoUninitializeLibrary();
}
//
// additional support for named manifests
//
#define POCO_DECLARE_NAMED_MANIFEST(name) \
extern "C" \
{ \
bool POCO_LIBRARY_API POCO_JOIN(pocoBuildManifest, name)(Poco::ManifestBase* pManifest); \
}
//
// Macros to automatically implement pocoBuildManifest
//
// usage:
//
// POCO_BEGIN_MANIFEST(MyBaseClass)
// POCO_EXPORT_CLASS(MyFirstClass)
// POCO_EXPORT_CLASS(MySecondClass)
// ...
// POCO_END_MANIFEST
//
#define POCO_BEGIN_MANIFEST_IMPL(fnName, base) \
bool fnName(Poco::ManifestBase* pManifest_) \
{ \
typedef base _Base; \
typedef Poco::Manifest<_Base> _Manifest; \
std::string requiredType(typeid(_Manifest).name()); \
std::string actualType(pManifest_->className()); \
if (requiredType == actualType) \
{ \
Poco::Manifest<_Base>* pManifest = static_cast<_Manifest*>(pManifest_);
#define POCO_BEGIN_MANIFEST(base) \
POCO_BEGIN_MANIFEST_IMPL(pocoBuildManifest, base)
#define POCO_BEGIN_NAMED_MANIFEST(name, base) \
POCO_DECLARE_NAMED_MANIFEST(name) \
POCO_BEGIN_MANIFEST_IMPL(POCO_JOIN(pocoBuildManifest, name), base)
#define POCO_END_MANIFEST \
return true; \
} \
else return false; \
}
#define POCO_EXPORT_CLASS(cls) \
pManifest->insert(new Poco::MetaObject<cls, _Base>(#cls));
#define POCO_EXPORT_INTERFACE(cls, itf) \
pManifest->insert(new Poco::MetaObject<cls, _Base>(itf));
#define POCO_EXPORT_SINGLETON(cls) \
pManifest->insert(new Poco::MetaSingleton<cls, _Base>(#cls));
#endif // Foundation_ClassLibrary_INCLUDED