234 lines
9.4 KiB
C++
234 lines
9.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef _CONNECTIVITY_OSUBCOMPONENT_HXX_
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#define _CONNECTIVITY_OSUBCOMPONENT_HXX_
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#include <cppuhelper/weak.hxx>
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#include <cppuhelper/interfacecontainer.h>
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#include <com/sun/star/lang/DisposedException.hpp>
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#include <cppuhelper/propshlp.hxx>
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#include <osl/mutex.hxx>
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#include <osl/diagnose.h>
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namespace cppu {
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class IPropertyArrayHelper;
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}
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namespace com
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{
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namespace sun
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{
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namespace star
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{
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namespace lang
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{
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class XComponent;
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}
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}
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}
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}
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namespace connectivity
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{
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namespace mysqlc
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{
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void release(oslInterlockedCount& _refCount,
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::cppu::OBroadcastHelper& rBHelper,
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::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface,
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::com::sun::star::lang::XComponent* _pObject);
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void checkDisposed(sal_Bool _bThrow) throw (::com::sun::star::lang::DisposedException);
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//************************************************************
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// OSubComponent
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//************************************************************
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template <class SELF, class WEAK> class OSubComponent
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{
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protected:
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// the parent must support the tunnel implementation
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::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xParent;
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SELF* m_pDerivedImplementation;
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public:
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OSubComponent(
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const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xParent,
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SELF* _pDerivedImplementation)
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:m_xParent(_xParent)
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,m_pDerivedImplementation(_pDerivedImplementation)
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{
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}
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protected:
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void dispose_ChildImpl()
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{
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::osl::MutexGuard aGuard(m_pDerivedImplementation->rBHelper.rMutex);
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m_xParent = NULL;
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}
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void relase_ChildImpl()
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{
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release(m_pDerivedImplementation->m_refCount,
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m_pDerivedImplementation->rBHelper,
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m_xParent,
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m_pDerivedImplementation);
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m_pDerivedImplementation->WEAK::release();
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}
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};
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template <class TYPE>
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class OPropertyArrayUsageHelper
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{
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protected:
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static sal_Int32 s_nRefCount;
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static ::cppu::IPropertyArrayHelper* s_pProps;
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static ::osl::Mutex s_aMutex;
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public:
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OPropertyArrayUsageHelper();
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virtual ~OPropertyArrayUsageHelper()
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{ // ARGHHHHHHH ..... would like to implement this in proparrhlp_impl.hxx (as we do with all other methods)
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// but SUNPRO 5 compiler (linker) doesn't like this
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::osl::MutexGuard aGuard(s_aMutex);
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OSL_ENSURE(s_nRefCount > 0, "OPropertyArrayUsageHelper::~OPropertyArrayUsageHelper : suspicious call : have a refcount of 0 !");
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if (!--s_nRefCount)
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{
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delete s_pProps;
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s_pProps = NULL;
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}
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}
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/** call this in the getInfoHelper method of your derived class. The method returns the array helper of the
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class, which is created if neccessary.
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*/
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::cppu::IPropertyArrayHelper* getArrayHelper();
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protected:
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/** used to implement the creation of the array helper which is shared amongst all instances of the class.
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This method needs to be implemented in derived classes.
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<BR>
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The method gets called with s_aMutex acquired.
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<BR>
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as long as IPropertyArrayHelper has no virtual destructor, the implementation of ~OPropertyArrayUsageHelper
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assumes that you created an ::cppu::OPropertyArrayHelper when deleting s_pProps.
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@return an pointer to the newly created array helper. Must not be NULL.
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*/
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virtual ::cppu::IPropertyArrayHelper* createArrayHelper() const = 0;
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};
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template<class TYPE>
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sal_Int32 OPropertyArrayUsageHelper< TYPE >::s_nRefCount = 0;
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template<class TYPE>
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::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper< TYPE >::s_pProps = NULL;
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template<class TYPE>
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::osl::Mutex OPropertyArrayUsageHelper< TYPE >::s_aMutex;
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//------------------------------------------------------------------
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template <class TYPE>
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OPropertyArrayUsageHelper<TYPE>::OPropertyArrayUsageHelper()
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{
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::osl::MutexGuard aGuard(s_aMutex);
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++s_nRefCount;
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}
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//------------------------------------------------------------------
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template <class TYPE>
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::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper<TYPE>::getArrayHelper()
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{
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OSL_ENSURE(s_nRefCount, "OPropertyArrayUsageHelper::getArrayHelper : suspicious call : have a refcount of 0 !");
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if (!s_pProps) {
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::osl::MutexGuard aGuard(s_aMutex);
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if (!s_pProps) {
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s_pProps = createArrayHelper();
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OSL_ENSURE(s_pProps, "OPropertyArrayUsageHelper::getArrayHelper : createArrayHelper returned nonsense !");
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}
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}
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return s_pProps;
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}
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class OBase_Mutex
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{
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public:
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::osl::Mutex m_aMutex;
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};
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namespace internal
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{
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template <class T>
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void implCopySequence(const T* _pSource, T*& _pDest, sal_Int32 _nSourceLen)
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{
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for (sal_Int32 i=0; i<_nSourceLen; ++i, ++_pSource, ++_pDest)
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*_pDest = *_pSource;
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}
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}
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//-------------------------------------------------------------------------
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/// concat two sequences
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template <class T>
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::com::sun::star::uno::Sequence<T> concatSequences(const ::com::sun::star::uno::Sequence<T>& _rLeft, const ::com::sun::star::uno::Sequence<T>& _rRight)
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{
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sal_Int32 nLeft(_rLeft.getLength()), nRight(_rRight.getLength());
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const T* pLeft = _rLeft.getConstArray();
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const T* pRight = _rRight.getConstArray();
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sal_Int32 nReturnLen(nLeft + nRight);
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::com::sun::star::uno::Sequence<T> aReturn(nReturnLen);
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T* pReturn = aReturn.getArray();
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internal::implCopySequence(pLeft, pReturn, nLeft);
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internal::implCopySequence(pRight, pReturn, nRight);
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return aReturn;
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}
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#define DECLARE_SERVICE_INFO() \
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virtual ::rtl::OUString SAL_CALL getImplementationName() throw (::com::sun::star::uno::RuntimeException); \
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virtual sal_Bool SAL_CALL supportsService(const ::rtl::OUString& ServiceName) throw(::com::sun::star::uno::RuntimeException); \
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virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw(::com::sun::star::uno::RuntimeException) \
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#define IMPLEMENT_SERVICE_INFO(classname, implasciiname, serviceasciiname) \
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::rtl::OUString SAL_CALL classname::getImplementationName() throw (::com::sun::star::uno::RuntimeException) \
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{ \
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return ::rtl::OUString::createFromAscii(implasciiname); \
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} \
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::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL classname::getSupportedServiceNames() throw(::com::sun::star::uno::RuntimeException) \
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{ \
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::com::sun::star::uno::Sequence< ::rtl::OUString > aSupported(1); \
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aSupported[0] = ::rtl::OUString::createFromAscii(serviceasciiname); \
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return aSupported; \
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} \
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sal_Bool SAL_CALL classname::supportsService(const ::rtl::OUString& _rServiceName) throw(::com::sun::star::uno::RuntimeException) \
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{ \
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Sequence< ::rtl::OUString > aSupported(getSupportedServiceNames()); \
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const ::rtl::OUString* pSupported = aSupported.getConstArray(); \
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const ::rtl::OUString* pEnd = pSupported + aSupported.getLength(); \
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for (;pSupported != pEnd && !pSupported->equals(_rServiceName); ++pSupported) \
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; \
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return pSupported != pEnd; \
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} \
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}
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}
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#endif // _CONNECTIVITY_OSUBCOMPONENT_HXX_
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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