595371e520
...to find uses of dynamic_cast where the static (base) type has hidden
visibility while the dynamic (derived) one has default visibility, and which may
thus fail at least on macOS like happened in
d5ed3cd6db "Make WinMtfFontStyle's base class
EMFIO_DLLPUBLIC, too".
libcxxabi's __dynamic_cast takes static_type and dst_type arguments. Now, if
dst_type (the derived type, with default visibility) is taken from .so A (and
thus references the version of the base type info hidden in .so A) but the
__dynamic_cast call is made from .so B, it passes for static_type the base type
information hidden in .so B, and __dynamic_cast will consider the cast to fail.
I'm not sure whether hidden intermediary types (in the hierarchy between the
dynamic_cast's base and derived types) acutally cause a problem too, but lets
flag them with the plugin anyway.
The fixes use SAL_DLLPUBLIC_RTTI. For one, there appear to be no other reasons
than type visibility to make those classes SAL_DLLPUBLIC. For another, this
nicely avoids any actual changes on Windows (where SAL_DLLPUBLIC expands to
nothing, and many of the affected classes were explicityl introduced into class
hierarchies as "MSVC hacks").
Change-Id: Ia85a9635cebffb1009a9efc1484b8bd4025585d4
Reviewed-on: https://gerrit.libreoffice.org/41802
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
357 lines
14 KiB
C++
357 lines
14 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 INCLUDED_VBAHELPER_VBACOLLECTIONIMPL_HXX
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#define INCLUDED_VBAHELPER_VBACOLLECTIONIMPL_HXX
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#include <exception>
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#include <vector>
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#include <com/sun/star/container/NoSuchElementException.hpp>
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#include <com/sun/star/container/XEnumeration.hpp>
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#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
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#include <com/sun/star/lang/WrappedTargetException.hpp>
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#include <com/sun/star/uno/Any.hxx>
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/uno/RuntimeException.hpp>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/uno/Type.hxx>
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#include <com/sun/star/uno/TypeClass.hpp>
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#include <cppu/unotype.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <cppuhelper/weakref.hxx>
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#include <ooo/vba/XCollection.hpp>
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#include <com/sun/star/container/XIndexAccess.hpp>
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#include <com/sun/star/container/XNameAccess.hpp>
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#include <com/sun/star/container/XNamed.hpp>
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#include <rtl/ustring.hxx>
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#include <sal/types.h>
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#include <vbahelper/vbadllapi.h>
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#include <vbahelper/vbahelper.hxx>
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#include <vbahelper/vbahelperinterface.hxx>
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namespace com { namespace sun { namespace star {
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namespace container { class XEnumerationAccess; }
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namespace uno { class XComponentContext; }
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} } }
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namespace ooo { namespace vba {
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class XHelperInterface;
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} }
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typedef ::cppu::WeakImplHelper< css::container::XEnumeration > EnumerationHelper_BASE;
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/** A wrapper that holds a com.sun.star.container.XIndexAccess and provides a
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com.sun.star.container.XEnumeration.
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Can be used to provide an enumeration from an index container that contains
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completely constructed/initialized VBA implementation objects. CANNOT be
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used to provide an enumeration from an index container with other objects
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(e.g. UNO objects) where construction of the VBA objects is needed first.
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*/
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class VBAHELPER_DLLPUBLIC SimpleIndexAccessToEnumeration : public EnumerationHelper_BASE
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{
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public:
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/// @throws css::uno::RuntimeException
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explicit SimpleIndexAccessToEnumeration(
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const css::uno::Reference< css::container::XIndexAccess >& rxIndexAccess ) :
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mxIndexAccess( rxIndexAccess ), mnIndex( 0 ) {}
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virtual sal_Bool SAL_CALL hasMoreElements() override
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{
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return mnIndex < mxIndexAccess->getCount();
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}
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virtual css::uno::Any SAL_CALL nextElement() override
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{
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if( !hasMoreElements() )
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throw css::container::NoSuchElementException();
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return mxIndexAccess->getByIndex( mnIndex++ );
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}
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private:
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css::uno::Reference< css::container::XIndexAccess > mxIndexAccess;
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sal_Int32 mnIndex;
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};
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/** A wrapper that holds a com.sun.star.container.XEnumeration or a
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com.sun.star.container.XIndexAccess and provides an enumeration of VBA objects.
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The method createCollectionObject() needs to be implemented by the derived
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class. This class can be used to convert an enumeration or an index container
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containing UNO objects to an enumeration providing the related VBA objects.
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*/
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class VBAHELPER_DLLPUBLIC SimpleEnumerationBase : public EnumerationHelper_BASE
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{
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public:
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/// @throws css::uno::RuntimeException
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explicit SimpleEnumerationBase(
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const css::uno::Reference< css::container::XIndexAccess >& rxIndexAccess ) :
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mxEnumeration( new SimpleIndexAccessToEnumeration( rxIndexAccess ) ) {}
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virtual sal_Bool SAL_CALL hasMoreElements() override
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{
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return mxEnumeration->hasMoreElements();
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}
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virtual css::uno::Any SAL_CALL nextElement() override
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{
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return createCollectionObject( mxEnumeration->nextElement() );
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}
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/** Derived classes implement creation of a VBA implementation object from
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the passed container element. */
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virtual css::uno::Any createCollectionObject( const css::uno::Any& rSource ) = 0;
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protected:
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css::uno::Reference< css::container::XEnumeration > mxEnumeration;
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};
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// deprecated, use SimpleEnumerationBase instead!
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class VBAHELPER_DLLPUBLIC EnumerationHelperImpl : public EnumerationHelper_BASE
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{
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protected:
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css::uno::WeakReference< ov::XHelperInterface > m_xParent;
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css::uno::Reference< css::uno::XComponentContext > m_xContext;
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css::uno::Reference< css::container::XEnumeration > m_xEnumeration;
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public:
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/// @throws css::uno::RuntimeException
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EnumerationHelperImpl( const css::uno::Reference< ov::XHelperInterface >& xParent, const css::uno::Reference< css::uno::XComponentContext >& xContext, const css::uno::Reference< css::container::XEnumeration >& xEnumeration ) : m_xParent( xParent ), m_xContext( xContext ), m_xEnumeration( xEnumeration ) { }
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virtual sal_Bool SAL_CALL hasMoreElements( ) override { return m_xEnumeration->hasMoreElements(); }
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};
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// a wrapper class for a providing a XIndexAccess, XNameAccess, XEnumerationAccess impl based on providing a vector of interfaces
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// only requirement is the object needs to implement XName
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template< typename OneIfc >
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class XNamedObjectCollectionHelper : public ::cppu::WeakImplHelper< css::container::XNameAccess,
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css::container::XIndexAccess,
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css::container::XEnumerationAccess >
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{
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public:
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typedef std::vector< css::uno::Reference< OneIfc > > XNamedVec;
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private:
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class XNamedEnumerationHelper : public EnumerationHelper_BASE
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{
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XNamedVec mXNamedVec;
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typename XNamedVec::iterator mIt;
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public:
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XNamedEnumerationHelper( const XNamedVec& sMap ) : mXNamedVec( sMap ), mIt( mXNamedVec.begin() ) {}
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virtual sal_Bool SAL_CALL hasMoreElements( ) override
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{
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return ( mIt != mXNamedVec.end() );
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}
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virtual css::uno::Any SAL_CALL nextElement( ) override
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{
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if ( hasMoreElements() )
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return css::uno::makeAny( *mIt++ );
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throw css::container::NoSuchElementException();
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}
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};
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protected:
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XNamedVec mXNamedVec;
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typename XNamedVec::iterator cachePos;
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public:
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XNamedObjectCollectionHelper( const XNamedVec& sMap ) : mXNamedVec( sMap ), cachePos(mXNamedVec.begin()) {}
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// XElementAccess
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virtual css::uno::Type SAL_CALL getElementType( ) override { return cppu::UnoType< OneIfc >::get(); }
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virtual sal_Bool SAL_CALL hasElements( ) override { return ( mXNamedVec.size() > 0 ); }
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// XNameAccess
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virtual css::uno::Any SAL_CALL getByName( const OUString& aName ) override
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{
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if ( !hasByName(aName) )
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throw css::container::NoSuchElementException();
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return css::uno::makeAny( *cachePos );
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}
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virtual css::uno::Sequence< OUString > SAL_CALL getElementNames( ) override
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{
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css::uno::Sequence< OUString > sNames( mXNamedVec.size() );
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OUString* pString = sNames.getArray();
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typename XNamedVec::iterator it = mXNamedVec.begin();
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typename XNamedVec::iterator it_end = mXNamedVec.end();
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for ( ; it != it_end; ++it, ++pString )
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{
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css::uno::Reference< css::container::XNamed > xName( *it, css::uno::UNO_QUERY_THROW );
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*pString = xName->getName();
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}
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return sNames;
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}
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virtual sal_Bool SAL_CALL hasByName( const OUString& aName ) override
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{
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cachePos = mXNamedVec.begin();
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typename XNamedVec::iterator it_end = mXNamedVec.end();
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for ( ; cachePos != it_end; ++cachePos )
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{
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css::uno::Reference< css::container::XNamed > xName( *cachePos, css::uno::UNO_QUERY_THROW );
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if ( aName == xName->getName() )
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break;
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}
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return ( cachePos != it_end );
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}
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// XElementAccess
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virtual ::sal_Int32 SAL_CALL getCount( ) override { return mXNamedVec.size(); }
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virtual css::uno::Any SAL_CALL getByIndex( ::sal_Int32 Index ) override
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{
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if ( Index < 0 || Index >= getCount() )
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throw css::lang::IndexOutOfBoundsException();
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return css::uno::makeAny( mXNamedVec[ Index ] );
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}
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// XEnumerationAccess
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virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL createEnumeration( ) override
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{
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return new XNamedEnumerationHelper( mXNamedVec );
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}
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};
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// including a HelperInterface implementation
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template< typename... Ifc >
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class SAL_DLLPUBLIC_RTTI ScVbaCollectionBase : public InheritedHelperInterfaceImpl< Ifc... >
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{
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typedef InheritedHelperInterfaceImpl< Ifc... > BaseColBase;
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protected:
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css::uno::Reference< css::container::XIndexAccess > m_xIndexAccess;
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css::uno::Reference< css::container::XNameAccess > m_xNameAccess;
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bool mbIgnoreCase;
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/// @throws css::uno::RuntimeException
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virtual css::uno::Any getItemByStringIndex( const OUString& sIndex )
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{
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if ( !m_xNameAccess.is() )
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throw css::uno::RuntimeException("ScVbaCollectionBase string index access not supported by this object" );
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if( mbIgnoreCase )
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{
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css::uno::Sequence< OUString > sElementNames = m_xNameAccess->getElementNames();
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for( sal_Int32 i = 0; i < sElementNames.getLength(); i++ )
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{
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OUString aName = sElementNames[i];
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if( aName.equalsIgnoreAsciiCase( sIndex ) )
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{
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return createCollectionObject( m_xNameAccess->getByName( aName ) );
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}
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}
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}
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return createCollectionObject( m_xNameAccess->getByName( sIndex ) );
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}
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/// @throws css::uno::RuntimeException
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/// @throws css::lang::IndexOutOfBoundsException
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virtual css::uno::Any getItemByIntIndex( const sal_Int32 nIndex )
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{
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if ( !m_xIndexAccess.is() )
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throw css::uno::RuntimeException("ScVbaCollectionBase numeric index access not supported by this object" );
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if ( nIndex <= 0 )
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{
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throw css::lang::IndexOutOfBoundsException(
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"index is 0 or negative" );
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}
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// need to adjust for vba index ( for which first element is 1 )
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return createCollectionObject( m_xIndexAccess->getByIndex( nIndex - 1 ) );
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}
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void UpdateCollectionIndex( const css::uno::Reference< css::container::XIndexAccess >& xIndexAccess )
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{
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css::uno::Reference< css::container::XNameAccess > xNameAccess( xIndexAccess, css::uno::UNO_QUERY_THROW );
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m_xIndexAccess = xIndexAccess;
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m_xNameAccess = xNameAccess;
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}
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public:
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ScVbaCollectionBase( const css::uno::Reference< ov::XHelperInterface >& xParent, const css::uno::Reference< css::uno::XComponentContext >& xContext, const css::uno::Reference< css::container::XIndexAccess >& xIndexAccess, bool bIgnoreCase = false ) : BaseColBase( xParent, xContext ), m_xIndexAccess( xIndexAccess ), mbIgnoreCase( bIgnoreCase ) { m_xNameAccess.set(m_xIndexAccess, css::uno::UNO_QUERY); }
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//XCollection
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virtual ::sal_Int32 SAL_CALL getCount() override
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{
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return m_xIndexAccess->getCount();
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}
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virtual css::uno::Any SAL_CALL Item(const css::uno::Any& Index1, const css::uno::Any& /*not processed in this base class*/) override
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{
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if ( Index1.getValueTypeClass() != css::uno::TypeClass_STRING )
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{
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sal_Int32 nIndex = 0;
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if ( !( Index1 >>= nIndex ) )
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{
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throw css::lang::IndexOutOfBoundsException( "Couldn't convert index to Int32" );
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}
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return getItemByIntIndex( nIndex );
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}
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OUString aStringSheet;
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Index1 >>= aStringSheet;
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return getItemByStringIndex( aStringSheet );
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}
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// XDefaultMethod
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OUString SAL_CALL getDefaultMethodName( ) override
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{
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return OUString("Item");
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}
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// XEnumerationAccess
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virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL createEnumeration() override = 0;
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// XElementAccess
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virtual css::uno::Type SAL_CALL getElementType() override = 0;
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// XElementAccess
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virtual sal_Bool SAL_CALL hasElements() override
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{
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return ( m_xIndexAccess->getCount() > 0 );
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}
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virtual css::uno::Any createCollectionObject( const css::uno::Any& aSource ) = 0;
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};
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typedef ScVbaCollectionBase< ::cppu::WeakImplHelper<ov::XCollection> > CollImplBase;
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// compatible with the old collections ( pre XHelperInterface base class ) ( some internal objects still use this )
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class VBAHELPER_DLLPUBLIC ScVbaCollectionBaseImpl : public CollImplBase
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{
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public:
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/// @throws css::uno::RuntimeException
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ScVbaCollectionBaseImpl( const css::uno::Reference< ov::XHelperInterface > & xParent, const css::uno::Reference< css::uno::XComponentContext >& xContext, const css::uno::Reference< css::container::XIndexAccess >& xIndexAccess ) : CollImplBase( xParent, xContext, xIndexAccess){}
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};
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template < typename... Ifc > // where Ifc must implement XCollectionTest
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class SAL_DLLPUBLIC_RTTI CollTestImplHelper : public ScVbaCollectionBase< ::cppu::WeakImplHelper< Ifc... > >
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{
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typedef ScVbaCollectionBase< ::cppu::WeakImplHelper< Ifc... > > ImplBase;
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public:
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/// @throws css::uno::RuntimeException
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CollTestImplHelper( const css::uno::Reference< ov::XHelperInterface >& xParent, const css::uno::Reference< css::uno::XComponentContext >& xContext, const css::uno::Reference< css::container::XIndexAccess >& xIndexAccess, bool bIgnoreCase = false ) : ImplBase( xParent, xContext, xIndexAccess, bIgnoreCase ) {}
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};
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#endif //SC_VBA_COLLECTION_IMPL_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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