#67468# helper for implementation of exported C-functions

cppuhelper/inc/cppuhelper/implementationentry.hxx

+/*************************************************************************
+ *
+ *  $RCSfile: implementationentry.hxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: jbu $ $Date: 2001-06-22 15:19:54 $
+ *
+ *  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 _CPPUHELPER_IMPLEMENATIONENTRY_HXX_
+#define _CPPUHELPER_IMPLEMENATIONENTRY_HXX_
+
+#ifndef _CPPUHELPER_FACTORY_HXX_
+#include <cppuhelper/factory.hxx>
+#endif
+
+namespace cppu
+{
+/** One struct instance represents all data necessary for registering one service implementation.
+
+ */
+struct ImplementationEntry
+{
+    /** Function, that creates an instance of the implemenation
+     */
+       ComponentFactoryFunc create;
+
+    /** Function, that returns the implemenation-name of the implemenation
+       (same as XServiceInfo.getImplementationName() ).
+     */
+     rtl::OUString ( SAL_CALL * getImplementationName )();
+
+    /** Function, that returns all supported servicenames of the implemenation
+       ( same as XServiceInfo.getSupportedServiceNames() ).
+    */
+     com::sun::star::uno::Sequence< rtl::OUString > ( SAL_CALL * getSupportedServiceNames ) ();
+
+    /** Function, that creates a SingleComponentFactory.
+    */
+     ::com::sun::star::uno::Reference< ::com::sun::star::lang::XSingleComponentFactory >
+     ( SAL_CALL * createFactory )(
+         ComponentFactoryFunc fptr,
+         ::rtl::OUString const & rImplementationName,
+         ::com::sun::star::uno::Sequence< ::rtl::OUString > const & rServiceNames,
+         rtl_ModuleCount * pModCount );
+
+    /** The shared-library module-counter of the implemenation. Maybe 0. The module-counter
+        is used during by the createFactory()-function.
+    */
+     rtl_ModuleCount * moduleCounter;
+
+    /** Must be set to 0 !
+        For future extensions.
+     */
+    sal_Int32 nFlags;
+};
+
+/** Helper function for implementation of the component_writeInfo()-function.
+
+    @param pServiceManager The first parameter passed to component_writeInfo()-function
+                           (This is an instance of the service manager, that creates the factory).
+    @param pRegistryKey    The second parameter passed to the component_writeInfo()-function.
+                           This is a reference to the registry key, into which the implementation
+                           data shall be written to.
+    @param entries         Each element of the entries-array must contains a function pointer
+                           table for registering an implemenation. The end of the array
+                           must be marked with a 0 entry in the create-function.
+    @return sal_True, if all implementations could be registered, otherwise sal_False.
+ */
+sal_Bool component_writeInfoHelper(
+    void *pServiceManager, void *pRegistryKey , const struct ImplementationEntry entries[] );
+
+/** Helper function for implementation of the component_getFactory()-function,
+    that must be implemented by every shared library component.
+
+    @param pImplName       The implementation-name to be instantiated ( This is the
+                           first parameter passed to the component_getFactory
+    @param pServiceManager The first parameter passed to component_writeInfo()-function
+                           (This is a of the service manager, that creates the factory).
+    @param pRegistryKey    The second parameter passed to the component_writeInfo()-function.
+                           This is a reference to the registry key, where the implementation
+                           data has been written to.
+    @param entries         Each element of the entries-array must contains a function pointer
+                           table for creating a factor of the implementation. The end of the array
+                           must be marked with a 0 entry in the create-function.
+    @return 0 if the helper failed to instantiate a factory, otherwise an acquired pointer
+            to a factory.
+ */
+void *component_getFactoryHelper(
+    const sal_Char * pImplName,
+    void * pServiceManager,
+    void * pRegistryKey,
+    const struct ImplementationEntry entries[] );
+
+}
+#endif

cppuhelper/prj/d.lst

@@ -48,6 +48,7 @@ mkdir: %_DEST%\inc%_EXT%\cppuhelper
 ..\inc\cppuhelper\weakref.hxx %_DEST%\inc%_EXT%\cppuhelper\weakref.hxx
 ..\inc\cppuhelper\servicefactory.hxx %_DEST%\inc%_EXT%\cppuhelper\servicefactory.hxx
 ..\inc\cppuhelper\smartservices.hxx %_DEST%\inc%_EXT%\cppuhelper\smartservices.hxx
+..\inc\cppuhelper\implementationentry.hxx %_DEST%\inc%_EXT%\cppuhelper\implementationentry.hxx
 
 ..\%__SRC%\bin\cppuhelper*.dll %_DEST%\bin%_EXT%\cppuhelper*.dll
 ..\%__SRC%\lib\*cppuhelper*.lib %_DEST%\lib%_EXT%\*

cppuhelper/source/implementationentry.cxx

+/*************************************************************************
+ *
+ *  $RCSfile: implementationentry.cxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: jbu $ $Date: 2001-06-22 15:22:39 $
+ *
+ *  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 _CPPUHELPER_IMPLEMENATIONENTRY_HXX_
+#include <cppuhelper/implementationentry.hxx>
+#endif
+
+#ifndef _RTL_USTRBUF_HXX_
+#include <rtl/ustrbuf.hxx>
+#endif
+
+using namespace ::rtl;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::registry;
+
+namespace cppu {
+
+sal_Bool component_writeInfoHelper(
+    void *pServiceManager, void *pRegistryKey , const struct ImplementationEntry entries[] )
+{
+    sal_Bool bRet = sal_False;
+    try
+    {
+        if( pRegistryKey )
+        {
+            for( sal_Int32 i = 0; entries[i].create ; i ++ )
+            {
+                OUStringBuffer buf( 124 );
+                buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("/") );
+                buf.append( entries[i].getImplementationName() );
+                buf.appendAscii(RTL_CONSTASCII_STRINGPARAM( "/UNO/SERVICES" ) );
+                Reference< XRegistryKey > xNewKey(
+                    reinterpret_cast< XRegistryKey * >( pRegistryKey )->createKey( buf.makeStringAndClear()  ) );
+
+                Sequence< OUString > seq = entries[i].getSupportedServiceNames();
+                const OUString *pArray = seq.getConstArray();
+                for ( sal_Int32 nPos = 0 ; nPos < seq.getLength(); nPos ++ )
+                    xNewKey->createKey( pArray[nPos] );
+            }
+            bRet = sal_True;
+        }
+    }
+    catch ( InvalidRegistryException &e )
+    {
+        e;
+        OSL_ENSURE( sal_False, "### InvalidRegistryException!" );
+    }
+    return bRet;
+}
+
+
+void * component_getFactoryHelper(
+    const sal_Char * pImplName,
+    void * pServiceManager,
+    void * pRegistryKey,
+    const struct ImplementationEntry entries[] )
+{
+
+      void * pRet = 0;
+    Reference< XSingleComponentFactory > xFactory;
+
+    for( sal_Int32 i = 0 ; entries[i].create ; i ++ )
+    {
+        OUString implName = entries[i].getImplementationName();
+        if( 0 == implName.compareToAscii( pImplName ) )
+        {
+            xFactory = entries[i].createFactory(
+                entries[i].create,
+                implName,
+                entries[i].getSupportedServiceNames(),
+                entries[i].moduleCounter );
+        }
+    }
+
+    if( xFactory.is() )
+    {
+        xFactory->acquire();
+        pRet = xFactory.get();
+    }
+    return pRet;
+}
+
+}