diff options
Diffstat (limited to 'stoc/source/tdmanager/tdmgr_tdenumeration.cxx')
| -rw-r--r-- | stoc/source/tdmanager/tdmgr_tdenumeration.cxx | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/stoc/source/tdmanager/tdmgr_tdenumeration.cxx b/stoc/source/tdmanager/tdmgr_tdenumeration.cxx new file mode 100644 index 000000000000..7433d11b84cc --- /dev/null +++ b/stoc/source/tdmanager/tdmgr_tdenumeration.cxx @@ -0,0 +1,176 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#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( + RTL_CONSTASCII_USTRINGPARAM("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( + RTL_CONSTASCII_USTRINGPARAM("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_FAIL( "TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration " + "- Caught NoSuchTypeNameException!" ); + } + catch ( reflection::InvalidTypeNameException const & ) + { + OSL_FAIL( "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 + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |