mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-04 15:40:49 +00:00
104 lines
2.3 KiB
C++
104 lines
2.3 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_SINGLETON(cls) \
|
|
pManifest->insert(new Poco::MetaSingleton<cls, _Base>(#cls));
|
|
|
|
|
|
#endif // Foundation_ClassLibrary_INCLUDED
|