office-gobmx/stoc/source/tdmanager/tdmgr_tdenumeration.cxx

187 lines
6 KiB
C++

/*************************************************************************
*
* 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_stoc.hxx"
#include <osl/diagnose.h>
#include "tdmgr_common.hxx"
#include "tdmgr_tdenumeration.hxx"
using namespace com::sun::star;
extern rtl_StandardModuleCount g_moduleCount;
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