office-gobmx/comphelper/source/container/enumhelper.cxx
Stephan Bergmann f555ab4e96 loplugin:salbool: Automatic rewrite of sal_False/True
Change-Id: Idb7e5ff0c73bbc2c462b92cd96444eb5d2d4194b
2016-04-20 17:25:37 +02:00

273 lines
6.7 KiB
C++

/* -*- 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 <comphelper/enumhelper.hxx>
#include <com/sun/star/lang/XComponent.hpp>
namespace comphelper
{
OEnumerationByName::OEnumerationByName(const css::uno::Reference<css::container::XNameAccess>& _rxAccess)
:m_aNames(_rxAccess->getElementNames())
,m_nPos(0)
,m_xAccess(_rxAccess)
,m_bListening(false)
{
impl_startDisposeListening();
}
OEnumerationByName::OEnumerationByName(const css::uno::Reference<css::container::XNameAccess>& _rxAccess,
const css::uno::Sequence< OUString >& _aNames )
:m_aNames(_aNames)
,m_nPos(0)
,m_xAccess(_rxAccess)
,m_bListening(false)
{
impl_startDisposeListening();
}
OEnumerationByName::~OEnumerationByName()
{
impl_stopDisposeListening();
}
sal_Bool SAL_CALL OEnumerationByName::hasMoreElements( ) throw(css::uno::RuntimeException, std::exception)
{
::osl::ResettableMutexGuard aLock(m_aLock);
if (m_xAccess.is() && m_aNames.getLength() > m_nPos)
return true;
if (m_xAccess.is())
{
impl_stopDisposeListening();
m_xAccess.clear();
}
return false;
}
css::uno::Any SAL_CALL OEnumerationByName::nextElement( )
throw(css::container::NoSuchElementException, css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception)
{
::osl::ResettableMutexGuard aLock(m_aLock);
css::uno::Any aRes;
if (m_xAccess.is() && m_nPos < m_aNames.getLength())
aRes = m_xAccess->getByName(m_aNames.getConstArray()[m_nPos++]);
if (m_xAccess.is() && m_nPos >= m_aNames.getLength())
{
impl_stopDisposeListening();
m_xAccess.clear();
}
if (!aRes.hasValue()) //There are no more elements
throw css::container::NoSuchElementException();
return aRes;
}
void SAL_CALL OEnumerationByName::disposing(const css::lang::EventObject& aEvent)
throw(css::uno::RuntimeException, std::exception)
{
::osl::ResettableMutexGuard aLock(m_aLock);
if (aEvent.Source == m_xAccess)
m_xAccess.clear();
}
void OEnumerationByName::impl_startDisposeListening()
{
::osl::ResettableMutexGuard aLock(m_aLock);
if (m_bListening)
return;
++m_refCount;
css::uno::Reference< css::lang::XComponent > xDisposable(m_xAccess, css::uno::UNO_QUERY);
if (xDisposable.is())
{
xDisposable->addEventListener(this);
m_bListening = true;
}
--m_refCount;
}
void OEnumerationByName::impl_stopDisposeListening()
{
::osl::ResettableMutexGuard aLock(m_aLock);
if (!m_bListening)
return;
++m_refCount;
css::uno::Reference< css::lang::XComponent > xDisposable(m_xAccess, css::uno::UNO_QUERY);
if (xDisposable.is())
{
xDisposable->removeEventListener(this);
m_bListening = false;
}
--m_refCount;
}
OEnumerationByIndex::OEnumerationByIndex(const css::uno::Reference< css::container::XIndexAccess >& _rxAccess)
:m_nPos(0)
,m_xAccess(_rxAccess)
,m_bListening(false)
{
impl_startDisposeListening();
}
OEnumerationByIndex::~OEnumerationByIndex()
{
impl_stopDisposeListening();
}
sal_Bool SAL_CALL OEnumerationByIndex::hasMoreElements( ) throw(css::uno::RuntimeException, std::exception)
{
::osl::ResettableMutexGuard aLock(m_aLock);
if (m_xAccess.is() && m_xAccess->getCount() > m_nPos)
return true;
if (m_xAccess.is())
{
impl_stopDisposeListening();
m_xAccess.clear();
}
return false;
}
css::uno::Any SAL_CALL OEnumerationByIndex::nextElement( )
throw(css::container::NoSuchElementException, css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception)
{
::osl::ResettableMutexGuard aLock(m_aLock);
css::uno::Any aRes;
if (m_xAccess.is())
{
aRes = m_xAccess->getByIndex(m_nPos++);
if (m_nPos >= m_xAccess->getCount())
{
impl_stopDisposeListening();
m_xAccess.clear();
}
}
if (!aRes.hasValue())
throw css::container::NoSuchElementException();
return aRes;
}
void SAL_CALL OEnumerationByIndex::disposing(const css::lang::EventObject& aEvent)
throw(css::uno::RuntimeException, std::exception)
{
::osl::ResettableMutexGuard aLock(m_aLock);
if (aEvent.Source == m_xAccess)
m_xAccess.clear();
}
void OEnumerationByIndex::impl_startDisposeListening()
{
::osl::ResettableMutexGuard aLock(m_aLock);
if (m_bListening)
return;
++m_refCount;
css::uno::Reference< css::lang::XComponent > xDisposable(m_xAccess, css::uno::UNO_QUERY);
if (xDisposable.is())
{
xDisposable->addEventListener(this);
m_bListening = true;
}
--m_refCount;
}
void OEnumerationByIndex::impl_stopDisposeListening()
{
::osl::ResettableMutexGuard aLock(m_aLock);
if (!m_bListening)
return;
++m_refCount;
css::uno::Reference< css::lang::XComponent > xDisposable(m_xAccess, css::uno::UNO_QUERY);
if (xDisposable.is())
{
xDisposable->removeEventListener(this);
m_bListening = false;
}
--m_refCount;
}
OAnyEnumeration::OAnyEnumeration(const css::uno::Sequence< css::uno::Any >& lItems)
:m_nPos(0)
,m_lItems(lItems)
{
}
OAnyEnumeration::~OAnyEnumeration()
{
}
sal_Bool SAL_CALL OAnyEnumeration::hasMoreElements( ) throw(css::uno::RuntimeException, std::exception)
{
::osl::ResettableMutexGuard aLock(m_aLock);
return (m_lItems.getLength() > m_nPos);
}
css::uno::Any SAL_CALL OAnyEnumeration::nextElement( )
throw(css::container::NoSuchElementException, css::lang::WrappedTargetException, css::uno::RuntimeException, std::exception)
{
if ( ! hasMoreElements())
throw css::container::NoSuchElementException();
::osl::ResettableMutexGuard aLock(m_aLock);
sal_Int32 nPos = m_nPos;
++m_nPos;
return m_lItems[nPos];
}
} // namespace comphelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */