From e281c08bf8558efc1d64fd575c83423760ebb805 Mon Sep 17 00:00:00 2001 From: Ocke Janssen Date: Fri, 3 Nov 2000 13:24:20 +0000 Subject: new class for multiple propertysets --- comphelper/inc/comphelper/IdPropArrayHelper.hxx | 166 ++++++++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 comphelper/inc/comphelper/IdPropArrayHelper.hxx (limited to 'comphelper/inc/comphelper/IdPropArrayHelper.hxx') diff --git a/comphelper/inc/comphelper/IdPropArrayHelper.hxx b/comphelper/inc/comphelper/IdPropArrayHelper.hxx new file mode 100644 index 000000000000..c9d57bd70007 --- /dev/null +++ b/comphelper/inc/comphelper/IdPropArrayHelper.hxx @@ -0,0 +1,166 @@ +/************************************************************************* + * + * $RCSfile: IdPropArrayHelper.hxx,v $ + * + * $Revision: 1.1 $ + * + * last change: $Author: oj $ $Date: 2000-11-03 14:24:20 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the License); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an AS IS basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ +#ifndef COMPHELPER_IDPROPERTYARRAYUSAGEHELPER_HXX +#define COMPHELPER_IDPROPERTYARRAYUSAGEHELPER_HXX + +#ifndef _CPPUHELPER_COMPONENT_HXX_ +#include +#endif +#ifndef _OSL_MUTEX_HXX_ +#include +#endif +#ifndef _CPPUHELPER_INTERFACECONTAINER_HXX_ +#include +#endif +#ifndef _OSL_DIAGNOSE_H_ +#include +#endif +#ifndef _COMPHELPER_STLTYPES_HXX_ +#include +#endif + +namespace comphelper +{ + //************************************************************ + // OIdPropertyArrayUsageHelper + //************************************************************ + namespace cppu { class IPropertyArrayHelper; } + + typedef std::map< sal_Int32, ::cppu::IPropertyArrayHelper*, std::less< sal_Int32 > > OIdPropertyArrayMap; + template + class OIdPropertyArrayUsageHelper + { + protected: + static sal_Int32 s_nRefCount; + static OIdPropertyArrayMap* s_pMap; + static ::osl::Mutex s_aMutex; + + public: + OIdPropertyArrayUsageHelper(); + virtual ~OIdPropertyArrayUsageHelper() + { + ::osl::MutexGuard aGuard(s_aMutex); + OSL_ENSHURE(s_nRefCount > 0, "OIdPropertyArrayUsageHelper::~OIdPropertyArrayUsageHelper : suspicious call : have a refcount of 0 !"); + if (!--s_nRefCount) + { + // delete the element + for (OIdPropertyArrayMap::iterator i = s_pMap->begin(); i != s_pMap->end(); ++i) + delete (*i).second; + delete s_pMap; + s_pMap = NULL; + } + } + + /** call this in the getInfoHelper method of your derived class. The method returns the array helper of the + class, which is created if neccessary. + */ + ::cppu::IPropertyArrayHelper* getArrayHelper(sal_Int32 nId); + + protected: + /** used to implement the creation of the array helper which is shared amongst all instances of the class. + This method needs to be implemented in derived classes. +
+ The method gets called with s_aMutex acquired. +
+ as long as IPropertyArrayHelper has no virtual destructor, the implementation of ~OPropertyArrayUsageHelper + assumes that you created an ::cppu::OPropertyArrayHelper when deleting s_pProps. + @return an pointer to the newly created array helper. Must not be NULL. + */ + virtual ::cppu::IPropertyArrayHelper* createArrayHelper(sal_Int32 nId) const = 0; + }; + + //------------------------------------------------------------------ + template + sal_Int32 OIdPropertyArrayUsageHelper< TYPE >::s_nRefCount = 0; + + template + OIdPropertyArrayMap* OIdPropertyArrayUsageHelper< TYPE >::s_pMap = NULL; + + template + ::osl::Mutex OIdPropertyArrayUsageHelper< TYPE >::s_aMutex; + + //------------------------------------------------------------------ + template + OIdPropertyArrayUsageHelper::OIdPropertyArrayUsageHelper() + { + ::osl::MutexGuard aGuard(s_aMutex); + // create the map if necessary + if (s_pMap == NULL) + s_pMap = new OIdPropertyArrayMap(); + ++s_nRefCount; + } + + //------------------------------------------------------------------ + template + ::cppu::IPropertyArrayHelper* OIdPropertyArrayUsageHelper::getArrayHelper(sal_Int32 nId) + { + OSL_ENSHURE(s_nRefCount, "OIdPropertyArrayUsageHelper::getArrayHelper : suspicious call : have a refcount of 0 !"); + ::osl::MutexGuard aGuard(s_aMutex); + // do we have the array already? + if (! (*s_pMap)[nId] ) + { + (*s_pMap)[nId] = createArrayHelper(nId); + OSL_ENSHURE((*s_pMap)[nId], "OIdPropertyArrayUsageHelper::getArrayHelper : createArrayHelper returned nonsense !"); + } + return (*s_pMap)[nId]; + } +} +#endif // COMPHELPER_IDPROPERTYARRAYUSAGEHELPER_HXX -- cgit v1.2.3