198 lines
6.2 KiB
C++
198 lines
6.2 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: tdmgr_tdenumeration.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: rt $ $Date: 2005-09-08 08:14:10 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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#endif
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#ifndef _STOC_TDMGR_COMMON_HXX
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#include "tdmgr_common.hxx"
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#endif
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#ifndef _STOC_TDMGR_TDENUMERATION_HXX
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#include "tdmgr_tdenumeration.hxx"
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#endif
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using namespace com::sun::star;
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namespace stoc_tdmgr
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{
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//=========================================================================
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//=========================================================================
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//
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// TypeDescriptionEnumerationImpl Implementation.
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//
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//=========================================================================
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//=========================================================================
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TypeDescriptionEnumerationImpl::TypeDescriptionEnumerationImpl(
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const rtl::OUString & rModuleName,
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const com::sun::star::uno::Sequence<
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com::sun::star::uno::TypeClass > & rTypes,
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com::sun::star::reflection::TypeDescriptionSearchDepth eDepth,
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const TDEnumerationAccessStack & rTDEAS )
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: m_aModuleName( rModuleName ),
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m_aTypes( rTypes ),
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m_eDepth( eDepth ),
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m_aChildren( rTDEAS )
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{
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g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
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}
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//=========================================================================
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// virtual
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TypeDescriptionEnumerationImpl::~TypeDescriptionEnumerationImpl()
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{
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g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
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}
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//=========================================================================
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//
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// XEnumeration (base of XTypeDescriptionEnumeration) methods
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//
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//=========================================================================
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// virtual
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sal_Bool SAL_CALL TypeDescriptionEnumerationImpl::hasMoreElements()
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throw ( uno::RuntimeException )
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{
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uno::Reference< reflection::XTypeDescriptionEnumeration > xEnum
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= queryCurrentChildEnumeration();
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if ( xEnum.is() )
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return xEnum->hasMoreElements();
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return sal_False;
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}
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//=========================================================================
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// virtual
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uno::Any SAL_CALL TypeDescriptionEnumerationImpl::nextElement()
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throw ( container::NoSuchElementException,
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lang::WrappedTargetException,
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uno::RuntimeException )
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{
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uno::Reference< reflection::XTypeDescriptionEnumeration > xEnum
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= queryCurrentChildEnumeration();
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if ( xEnum.is() )
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return xEnum->nextElement();
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throw container::NoSuchElementException(
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rtl::OUString::createFromAscii(
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"No further elements in enumeration!" ),
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static_cast< cppu::OWeakObject * >( this ) );
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}
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//=========================================================================
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//
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// XTypeDescriptionEnumeration methods
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//
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//=========================================================================
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// virtual
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uno::Reference< reflection::XTypeDescription > SAL_CALL
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TypeDescriptionEnumerationImpl::nextTypeDescription()
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throw ( container::NoSuchElementException,
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uno::RuntimeException )
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{
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uno::Reference< reflection::XTypeDescriptionEnumeration > xEnum
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= queryCurrentChildEnumeration();
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if ( xEnum.is() )
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return xEnum->nextTypeDescription();
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throw container::NoSuchElementException(
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rtl::OUString::createFromAscii(
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"No further elements in enumeration!" ),
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static_cast< cppu::OWeakObject * >( this ) );
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}
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//=========================================================================
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uno::Reference< reflection::XTypeDescriptionEnumeration >
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TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration()
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{
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osl::MutexGuard aGuard( m_aMutex );
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for (;;)
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{
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if ( m_xEnum.is() )
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{
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if ( m_xEnum->hasMoreElements() )
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{
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return m_xEnum;
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}
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else
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{
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// Forget about enumeration without further elements. Try next.
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m_xEnum.clear();
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}
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}
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// Note: m_xEnum is always null here.
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if ( m_aChildren.empty() )
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{
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// No child enumerations left.
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return m_xEnum;
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}
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try
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{
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m_xEnum =
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m_aChildren.top()->createTypeDescriptionEnumeration(
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m_aModuleName, m_aTypes, m_eDepth );
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}
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catch ( reflection::NoSuchTypeNameException const & )
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{
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OSL_ENSURE( sal_False,
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"TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration "
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"- Caught NoSuchTypeNameException!" );
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}
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catch ( reflection::InvalidTypeNameException const & )
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{
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OSL_ENSURE( sal_False,
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"TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration "
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"- Caught InvalidTypeNameException!" );
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}
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// We're done with this enumeration access in any case (Either
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// enumeration was successfully created or creation failed for some
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// reason).
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m_aChildren.pop();
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}
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// unreachable
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}
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} // namespace stoc_tdmgr
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