1 files changed, 474 insertions, 0 deletions
diff --git a/cppuhelper/source/implbase.cxx b/cppuhelper/source/implbase.cxx
new file mode 100644
index 000000000000..162f11d81cc8
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+++ b/cppuhelper/source/implbase.cxx
@@ -0,0 +1,474 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_cppuhelper.hxx"
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/compbase.hxx>
+#include <osl/diagnose.h>
+#include <rtl/uuid.h>
+
+#include <com/sun/star/lang/XComponent.hpp>
+#include "com/sun/star/uno/RuntimeException.hpp"
+
+using namespace ::osl;
+using namespace ::rtl;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+namespace cppu
+{
+//==================================================================================================
+Mutex & SAL_CALL getImplHelperInitMutex(void) SAL_THROW( () )
+{
+    static Mutex * s_pMutex = 0;
+    if (! s_pMutex)
+    {
+        MutexGuard aGuard( Mutex::getGlobalMutex() );
+        if (! s_pMutex)
+        {
+            static Mutex s_aMutex;
+            s_pMutex = & s_aMutex;
+        }
+    }
+    return * s_pMutex;
+}
+
+// ClassDataBase
+//__________________________________________________________________________________________________
+ClassDataBase::ClassDataBase() SAL_THROW( () )
+    : bOffsetsInit( sal_False )
+    , nType2Offset( 0 )
+    , nClassCode( 0 )
+    , pTypes( 0 )
+    , pId( 0 )
+{
+}
+//__________________________________________________________________________________________________
+ClassDataBase::ClassDataBase( sal_Int32 nClassCode_ ) SAL_THROW( () )
+    : bOffsetsInit( sal_False )
+    , nType2Offset( 0 )
+    , nClassCode( nClassCode_ )
+    , pTypes( 0 )
+    , pId( 0 )
+{
+}
+//__________________________________________________________________________________________________
+ClassDataBase::~ClassDataBase() SAL_THROW( () )
+{
+    delete pTypes;
+    delete pId;
+
+    for ( sal_Int32 nPos = nType2Offset; nPos--; )
+    {
+        typelib_typedescription_release(
+            (typelib_TypeDescription *)((ClassData *)this)->arType2Offset[nPos].pTD );
+    }
+}
+
+// ClassData
+//__________________________________________________________________________________________________
+void ClassData::writeTypeOffset( const Type & rType, sal_Int32 nOffset ) SAL_THROW( () )
+{
+    arType2Offset[nType2Offset].nOffset = nOffset;
+
+    arType2Offset[nType2Offset].pTD = 0;
+    typelib_typedescriptionreference_getDescription(
+        (typelib_TypeDescription **)&arType2Offset[nType2Offset].pTD, rType.getTypeLibType() );
+
+    if (arType2Offset[nType2Offset].pTD)
+        ++nType2Offset;
+#if OSL_DEBUG_LEVEL > 1
+    else
+    {
+        OString msg( "### cannot get type description for " );
+        msg += OUStringToOString( rType.getTypeName(), RTL_TEXTENCODING_ASCII_US );
+        OSL_FAIL( msg.getStr() );
+    }
+#endif
+}
+//__________________________________________________________________________________________________
+void ClassData::initTypeProvider() SAL_THROW( () )
+{
+    ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
+    if (! pTypes)
+    {
+        // create id
+        pId = new Sequence< sal_Int8 >( 16 );
+        rtl_createUuid( (sal_uInt8 *)pId->getArray(), 0, sal_True );
+
+        // collect types
+        Sequence< Type > * types = new Sequence< Type >(
+            nType2Offset + 1 + (nClassCode == 4 ? 2 : nClassCode) );
+        Type * pTypeAr = types->getArray();
+
+        // given types
+        sal_Int32 nPos = nType2Offset;
+        while (nPos--)
+            pTypeAr[nPos] = ((typelib_TypeDescription *)arType2Offset[nPos].pTD)->pWeakRef;
+
+        // XTypeProvider
+        pTypeAr[nType2Offset] = ::getCppuType( (const Reference< lang::XTypeProvider > *)0 );
+
+        // class code extra types: [[XComponent,] XWeak[, XAggregation]]
+        switch (nClassCode)
+        {
+        case 4:
+            pTypeAr[nType2Offset +2] = ::getCppuType( (const Reference< lang::XComponent > *)0 );
+            pTypeAr[nType2Offset +1] = ::getCppuType( (const Reference< XWeak > *)0 );
+            break;
+        case 3:
+            pTypeAr[nType2Offset +3] = ::getCppuType( (const Reference< lang::XComponent > *)0 );
+        case 2:
+            pTypeAr[nType2Offset +2] = ::getCppuType( (const Reference< XAggregation > *)0 );
+        case 1:
+            pTypeAr[nType2Offset +1] = ::getCppuType( (const Reference< XWeak > *)0 );
+        }
+
+        pTypes = types;
+    }
+}
+//__________________________________________________________________________________________________
+Sequence< Type > ClassData::getTypes() SAL_THROW( () )
+{
+    if (! pTypes)
+        initTypeProvider();
+    return *pTypes;
+}
+//__________________________________________________________________________________________________
+Sequence< sal_Int8 > ClassData::getImplementationId() SAL_THROW( () )
+{
+    if (! pTypes)
+        initTypeProvider();
+    return *pId;
+}
+
+//--------------------------------------------------------------------------------------------------
+static inline sal_Bool td_equals(
+    typelib_TypeDescription * pTD, typelib_TypeDescriptionReference * pType )
+    SAL_THROW( () )
+{
+    return (pTD->pWeakRef == pType ||
+            (pTD->pTypeName->length == pType->pTypeName->length &&
+             rtl_ustr_compare( pTD->pTypeName->buffer, pType->pTypeName->buffer ) == 0));
+}
+//__________________________________________________________________________________________________
+Any ClassData::query( const Type & rType, lang::XTypeProvider * pBase ) SAL_THROW( () )
+{
+    if (rType == ::getCppuType( (const Reference< XInterface > *)0 ))
+        return Any( &pBase, ::getCppuType( (const Reference< XInterface > *)0 ) );
+    for ( sal_Int32 nPos = 0; nPos < nType2Offset; ++nPos )
+    {
+        const Type_Offset & rTO = arType2Offset[nPos];
+        typelib_InterfaceTypeDescription * pTD = rTO.pTD;
+        while (pTD)
+        {
+            if (td_equals( (typelib_TypeDescription *)pTD,
+                           *(typelib_TypeDescriptionReference **)&rType ))
+            {
+                void * pInterface = (char *)pBase + rTO.nOffset;
+                return Any( &pInterface, (typelib_TypeDescription *)pTD );
+            }
+            pTD = pTD->pBaseTypeDescription;
+        }
+    }
+    if (rType == ::getCppuType( (const Reference< lang::XTypeProvider > *)0 ))
+        return Any( &pBase, ::getCppuType( (const Reference< lang::XTypeProvider > *)0 ) );
+
+    return Any();
+}
+
+//##################################################################################################
+//##################################################################################################
+//##################################################################################################
+
+// WeakComponentImplHelperBase
+//__________________________________________________________________________________________________
+WeakComponentImplHelperBase::WeakComponentImplHelperBase( Mutex & rMutex )
+    SAL_THROW( () )
+    : rBHelper( rMutex )
+{
+}
+//__________________________________________________________________________________________________
+WeakComponentImplHelperBase::~WeakComponentImplHelperBase()
+    SAL_THROW( () )
+{
+}
+//__________________________________________________________________________________________________
+void WeakComponentImplHelperBase::disposing()
+{
+}
+//__________________________________________________________________________________________________
+Any WeakComponentImplHelperBase::queryInterface( Type const & rType )
+    throw (RuntimeException)
+{
+    if (rType == ::getCppuType( (Reference< lang::XComponent > const *)0 ))
+    {
+        void * p = static_cast< lang::XComponent * >( this );
+        return Any( &p, rType );
+    }
+    return OWeakObject::queryInterface( rType );
+}
+//__________________________________________________________________________________________________
+void WeakComponentImplHelperBase::acquire()
+    throw ()
+{
+    OWeakObject::acquire();
+}
+//__________________________________________________________________________________________________
+void WeakComponentImplHelperBase::release()
+    throw ()
+{
+    if (osl_decrementInterlockedCount( &m_refCount ) == 0) {
+        // ensure no other references are created, via the weak connection point, from now on
+        disposeWeakConnectionPoint();
+        // restore reference count:
+        osl_incrementInterlockedCount( &m_refCount );
+        if (! rBHelper.bDisposed) {
+            try {
+                dispose();
+            }
+            catch (RuntimeException const& exc) { // don't break throw ()
+                OSL_FAIL(
+                    OUStringToOString(
+                        exc.Message, RTL_TEXTENCODING_ASCII_US ).getStr() );
+                static_cast<void>(exc);
+            }
+            OSL_ASSERT( rBHelper.bDisposed );
+        }
+        OWeakObject::release();
+    }
+}
+//__________________________________________________________________________________________________
+void WeakComponentImplHelperBase::dispose()
+    throw (RuntimeException)
+{
+    ClearableMutexGuard aGuard( rBHelper.rMutex );
+    if (!rBHelper.bDisposed && !rBHelper.bInDispose)
+    {
+        rBHelper.bInDispose = sal_True;
+        aGuard.clear();
+        try
+        {
+            // side effect: keeping a reference to this
+            lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
+            try
+            {
+                rBHelper.aLC.disposeAndClear( aEvt );
+                disposing();
+            }
+            catch (...)
+            {
+                MutexGuard aGuard2( rBHelper.rMutex );
+                // bDisposed and bInDispose must be set in this order:
+                rBHelper.bDisposed = sal_True;
+                rBHelper.bInDispose = sal_False;
+                throw;
+            }
+            MutexGuard aGuard2( rBHelper.rMutex );
+            // bDisposed and bInDispose must be set in this order:
+            rBHelper.bDisposed = sal_True;
+            rBHelper.bInDispose = sal_False;
+        }
+        catch (RuntimeException &)
+        {
+            throw;
+        }
+        catch (Exception & exc)
+        {
+            throw RuntimeException(
+                OUString( RTL_CONSTASCII_USTRINGPARAM(
+                              "unexpected UNO exception caught: ") ) +
+                exc.Message, Reference< XInterface >() );
+        }
+    }
+}
+//__________________________________________________________________________________________________
+void WeakComponentImplHelperBase::addEventListener(
+    Reference< lang::XEventListener > const & xListener )
+    throw (RuntimeException)
+{
+    ClearableMutexGuard aGuard( rBHelper.rMutex );
+    if (rBHelper.bDisposed || rBHelper.bInDispose)
+    {
+        aGuard.clear();
+        lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
+        xListener->disposing( aEvt );
+    }
+    else
+    {
+        rBHelper.addListener( ::getCppuType( &xListener ), xListener );
+    }
+}
+//__________________________________________________________________________________________________
+void WeakComponentImplHelperBase::removeEventListener(
+    Reference< lang::XEventListener > const & xListener )
+    throw (RuntimeException)
+{
+    rBHelper.removeListener( ::getCppuType( &xListener ), xListener );
+}
+
+// WeakAggComponentImplHelperBase
+//__________________________________________________________________________________________________
+WeakAggComponentImplHelperBase::WeakAggComponentImplHelperBase( Mutex & rMutex )
+    SAL_THROW( () )
+    : rBHelper( rMutex )
+{
+}
+//__________________________________________________________________________________________________
+WeakAggComponentImplHelperBase::~WeakAggComponentImplHelperBase()
+    SAL_THROW( () )
+{
+}
+//__________________________________________________________________________________________________
+void WeakAggComponentImplHelperBase::disposing()
+{
+}
+//__________________________________________________________________________________________________
+Any WeakAggComponentImplHelperBase::queryInterface( Type const & rType )
+    throw (RuntimeException)
+{
+    return OWeakAggObject::queryInterface( rType );
+}
+//__________________________________________________________________________________________________
+Any WeakAggComponentImplHelperBase::queryAggregation( Type const & rType )
+    throw (RuntimeException)
+{
+    if (rType == ::getCppuType( (Reference< lang::XComponent > const *)0 ))
+    {
+        void * p = static_cast< lang::XComponent * >( this );
+        return Any( &p, rType );
+    }
+    return OWeakAggObject::queryAggregation( rType );
+}
+//__________________________________________________________________________________________________
+void WeakAggComponentImplHelperBase::acquire()
+    throw ()
+{
+    OWeakAggObject::acquire();
+}
+//__________________________________________________________________________________________________
+void WeakAggComponentImplHelperBase::release()
+    throw ()
+{
+    Reference<XInterface> const xDelegator_(xDelegator);
+    if (xDelegator_.is()) {
+        OWeakAggObject::release();
+    }
+    else if (osl_decrementInterlockedCount( &m_refCount ) == 0) {
+        // ensure no other references are created, via the weak connection point, from now on
+        disposeWeakConnectionPoint();
+        // restore reference count:
+        osl_incrementInterlockedCount( &m_refCount );
+        if (! rBHelper.bDisposed) {
+            try {
+                dispose();
+            }
+            catch (RuntimeException const& exc) { // don't break throw ()
+                OSL_FAIL(
+                    OUStringToOString(
+                        exc.Message, RTL_TEXTENCODING_ASCII_US ).getStr() );
+                static_cast<void>(exc);
+            }
+            OSL_ASSERT( rBHelper.bDisposed );
+        }
+        OWeakAggObject::release();
+    }
+}
+//__________________________________________________________________________________________________
+void WeakAggComponentImplHelperBase::dispose()
+    throw (RuntimeException)
+{
+    ClearableMutexGuard aGuard( rBHelper.rMutex );
+    if (!rBHelper.bDisposed && !rBHelper.bInDispose)
+    {
+        rBHelper.bInDispose = sal_True;
+        aGuard.clear();
+        try
+        {
+            // side effect: keeping a reference to this
+            lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
+            try
+            {
+                rBHelper.aLC.disposeAndClear( aEvt );
+                disposing();
+            }
+            catch (...)
+            {
+                MutexGuard aGuard2( rBHelper.rMutex );
+                // bDisposed and bInDispose must be set in this order:
+                rBHelper.bDisposed = sal_True;
+                rBHelper.bInDispose = sal_False;
+                throw;
+            }
+            MutexGuard aGuard2( rBHelper.rMutex );
+            // bDisposed and bInDispose must be set in this order:
+            rBHelper.bDisposed = sal_True;
+            rBHelper.bInDispose = sal_False;
+        }
+        catch (RuntimeException &)
+        {
+            throw;
+        }
+        catch (Exception & exc)
+        {
+            throw RuntimeException(
+                OUString( RTL_CONSTASCII_USTRINGPARAM(
+                              "unexpected UNO exception caught: ") ) +
+                exc.Message, Reference< XInterface >() );
+        }
+    }
+}
+//__________________________________________________________________________________________________
+void WeakAggComponentImplHelperBase::addEventListener(
+    Reference< lang::XEventListener > const & xListener )
+    throw (RuntimeException)
+{
+    ClearableMutexGuard aGuard( rBHelper.rMutex );
+    if (rBHelper.bDisposed || rBHelper.bInDispose)
+    {
+        aGuard.clear();
+        lang::EventObject aEvt( static_cast< OWeakObject * >( this ) );
+        xListener->disposing( aEvt );
+    }
+    else
+    {
+        rBHelper.addListener( ::getCppuType( &xListener ), xListener );
+    }
+}
+//__________________________________________________________________________________________________
+void WeakAggComponentImplHelperBase::removeEventListener(
+    Reference< lang::XEventListener > const & xListener )
+    throw (RuntimeException)
+{
+    rBHelper.removeListener( ::getCppuType( &xListener ), xListener );
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */