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libreoffice/stoc/source/tdmanager/tdmgr_tdenumeration.cxx
Rüdiger Timm 35eac2a7d1 INTEGRATION: CWS ooo19126 (1.1.188); FILE MERGED
2005/09/05 17:11:20 rt 1.1.188.1: #i54170# Change license header: remove SISSL
2005-09-08 07:14:28 +00:00

198 lines
6.2 KiB
C++

/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: tdmgr_tdenumeration.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2005-09-08 08:14:10 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 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
*
************************************************************************/
#ifndef _OSL_DIAGNOSE_H_
#include <osl/diagnose.h>
#endif
#ifndef _STOC_TDMGR_COMMON_HXX
#include "tdmgr_common.hxx"
#endif
#ifndef _STOC_TDMGR_TDENUMERATION_HXX
#include "tdmgr_tdenumeration.hxx"
#endif
using namespace com::sun::star;
namespace stoc_tdmgr
{
//=========================================================================
//=========================================================================
//
// TypeDescriptionEnumerationImpl Implementation.
//
//=========================================================================
//=========================================================================
TypeDescriptionEnumerationImpl::TypeDescriptionEnumerationImpl(
const rtl::OUString & rModuleName,
const com::sun::star::uno::Sequence<
com::sun::star::uno::TypeClass > & rTypes,
com::sun::star::reflection::TypeDescriptionSearchDepth eDepth,
const TDEnumerationAccessStack & rTDEAS )
: m_aModuleName( rModuleName ),
m_aTypes( rTypes ),
m_eDepth( eDepth ),
m_aChildren( rTDEAS )
{
g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
}
//=========================================================================
// virtual
TypeDescriptionEnumerationImpl::~TypeDescriptionEnumerationImpl()
{
g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
}
//=========================================================================
//
// XEnumeration (base of XTypeDescriptionEnumeration) methods
//
//=========================================================================
// virtual
sal_Bool SAL_CALL TypeDescriptionEnumerationImpl::hasMoreElements()
throw ( uno::RuntimeException )
{
uno::Reference< reflection::XTypeDescriptionEnumeration > xEnum
= queryCurrentChildEnumeration();
if ( xEnum.is() )
return xEnum->hasMoreElements();
return sal_False;
}
//=========================================================================
// virtual
uno::Any SAL_CALL TypeDescriptionEnumerationImpl::nextElement()
throw ( container::NoSuchElementException,
lang::WrappedTargetException,
uno::RuntimeException )
{
uno::Reference< reflection::XTypeDescriptionEnumeration > xEnum
= queryCurrentChildEnumeration();
if ( xEnum.is() )
return xEnum->nextElement();
throw container::NoSuchElementException(
rtl::OUString::createFromAscii(
"No further elements in enumeration!" ),
static_cast< cppu::OWeakObject * >( this ) );
}
//=========================================================================
//
// XTypeDescriptionEnumeration methods
//
//=========================================================================
// virtual
uno::Reference< reflection::XTypeDescription > SAL_CALL
TypeDescriptionEnumerationImpl::nextTypeDescription()
throw ( container::NoSuchElementException,
uno::RuntimeException )
{
uno::Reference< reflection::XTypeDescriptionEnumeration > xEnum
= queryCurrentChildEnumeration();
if ( xEnum.is() )
return xEnum->nextTypeDescription();
throw container::NoSuchElementException(
rtl::OUString::createFromAscii(
"No further elements in enumeration!" ),
static_cast< cppu::OWeakObject * >( this ) );
}
//=========================================================================
uno::Reference< reflection::XTypeDescriptionEnumeration >
TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration()
{
osl::MutexGuard aGuard( m_aMutex );
for (;;)
{
if ( m_xEnum.is() )
{
if ( m_xEnum->hasMoreElements() )
{
return m_xEnum;
}
else
{
// Forget about enumeration without further elements. Try next.
m_xEnum.clear();
}
}
// Note: m_xEnum is always null here.
if ( m_aChildren.empty() )
{
// No child enumerations left.
return m_xEnum;
}
try
{
m_xEnum =
m_aChildren.top()->createTypeDescriptionEnumeration(
m_aModuleName, m_aTypes, m_eDepth );
}
catch ( reflection::NoSuchTypeNameException const & )
{
OSL_ENSURE( sal_False,
"TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration "
"- Caught NoSuchTypeNameException!" );
}
catch ( reflection::InvalidTypeNameException const & )
{
OSL_ENSURE( sal_False,
"TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration "
"- Caught InvalidTypeNameException!" );
}
// We're done with this enumeration access in any case (Either
// enumeration was successfully created or creation failed for some
// reason).
m_aChildren.pop();
}
// unreachable
}
} // namespace stoc_tdmgr