535e83550e
Avoid some uses of non portable #!/bin/bash in shell scripts. Patch contributed by Pedro Giffuni http://svn.apache.org/viewvc?view=revision&revision=1235297 remove redundant namespace, patch contributed Mathias Bauer http://svn.apache.org/viewvc?view=revision&revision=1162610 removal of OS/2 port changes, and preferring our similiar tools/inc/tools/solar.h DLLPOSTFIX cleanup. i118595 - Removal of the use of getopt() from rscdep. Patch contributed by Andre Fische http://svn.apache.org/viewvc?view=revision&revision=1202270
220 lines
8.2 KiB
C++
220 lines
8.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <unotools/desktopterminationobserver.hxx>
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#include <com/sun/star/frame/XTerminateListener.hpp>
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#include <com/sun/star/frame/XDesktop.hpp>
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#include <cppuhelper/implbase1.hxx>
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#include <comphelper/processfactory.hxx>
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#include <list>
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//........................................................................
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namespace utl
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{
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//........................................................................
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::frame;
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namespace
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{
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//................................................................
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typedef ::std::list< ITerminationListener* > Listeners;
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struct ListenerAdminData
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{
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Listeners aListeners;
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bool bAlreadyTerminated;
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bool bCreatedAdapter;
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ListenerAdminData() : bAlreadyTerminated( false ), bCreatedAdapter( false ) { }
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};
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//................................................................
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ListenerAdminData& getListenerAdminData()
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{
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static ListenerAdminData s_aData;
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return s_aData;
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}
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//================================================================
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//= OObserverImpl
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//================================================================
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class OObserverImpl : public ::cppu::WeakImplHelper1< XTerminateListener >
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{
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public:
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static void ensureObservation();
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protected:
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OObserverImpl();
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~OObserverImpl();
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private:
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// XTerminateListener
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virtual void SAL_CALL queryTermination( const EventObject& Event ) throw (TerminationVetoException, RuntimeException);
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virtual void SAL_CALL notifyTermination( const EventObject& Event ) throw (RuntimeException);
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// XEventListener
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virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);
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};
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//--------------------------------------------------------------------
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OObserverImpl::OObserverImpl()
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{
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}
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//--------------------------------------------------------------------
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OObserverImpl::~OObserverImpl()
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{
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}
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//--------------------------------------------------------------------
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void OObserverImpl::ensureObservation()
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{
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{
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if ( getListenerAdminData().bCreatedAdapter )
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return;
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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if ( getListenerAdminData().bCreatedAdapter )
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return;
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getListenerAdminData().bCreatedAdapter = true;
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}
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try
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{
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Reference< XDesktop > xDesktop;
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xDesktop = xDesktop.query( ::comphelper::getProcessServiceFactory()->createInstance( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.frame.Desktop" ) ) ) );
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OSL_ENSURE( xDesktop.is(), "OObserverImpl::ensureObservation: could not ensureObservation the desktop!" );
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if ( xDesktop.is() )
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xDesktop->addTerminateListener( new OObserverImpl );
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}
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catch( const Exception& )
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{
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OSL_FAIL( "OObserverImpl::ensureObservation: caught an exception!" );
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}
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}
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//--------------------------------------------------------------------
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void SAL_CALL OObserverImpl::queryTermination( const EventObject& /*Event*/ ) throw (TerminationVetoException, RuntimeException)
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{
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Listeners aToNotify;
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{
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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aToNotify = getListenerAdminData().aListeners;
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}
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for ( Listeners::const_iterator listener = aToNotify.begin();
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listener != aToNotify.end();
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++listener
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)
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{
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if ( !(*listener)->queryTermination() )
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throw TerminationVetoException();
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}
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}
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//--------------------------------------------------------------------
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void SAL_CALL OObserverImpl::notifyTermination( const EventObject& /*Event*/ ) throw (RuntimeException)
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{
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// get the listeners
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Listeners aToNotify;
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{
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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OSL_ENSURE( !getListenerAdminData().bAlreadyTerminated, "OObserverImpl::notifyTermination: terminated twice?" );
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aToNotify = getListenerAdminData().aListeners;
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getListenerAdminData().bAlreadyTerminated = true;
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}
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// notify the listeners
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for ( Listeners::const_iterator listener = aToNotify.begin();
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listener != aToNotify.end();
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++listener
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)
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{
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(*listener)->notifyTermination();
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}
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// clear the listener container
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{
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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getListenerAdminData().aListeners.clear();
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}
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}
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//--------------------------------------------------------------------
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void SAL_CALL OObserverImpl::disposing( const EventObject& /*Event*/ ) throw (RuntimeException)
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{
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#if OSL_DEBUG_LEVEL > 0
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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OSL_ENSURE( getListenerAdminData().bAlreadyTerminated, "OObserverImpl::disposing: disposing without terminated?" );
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#endif
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// not interested in
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}
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}
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//====================================================================
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//= DesktopTerminationObserver
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//====================================================================
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//--------------------------------------------------------------------
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void DesktopTerminationObserver::registerTerminationListener( ITerminationListener* _pListener )
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{
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if ( !_pListener )
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return;
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{
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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if ( getListenerAdminData().bAlreadyTerminated )
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{
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_pListener->notifyTermination();
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return;
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}
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getListenerAdminData().aListeners.push_back( _pListener );
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}
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OObserverImpl::ensureObservation();
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}
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//--------------------------------------------------------------------
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void DesktopTerminationObserver::revokeTerminationListener( ITerminationListener* _pListener )
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{
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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Listeners& rListeners = getListenerAdminData().aListeners;
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for ( Listeners::iterator lookup = rListeners.begin();
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lookup != rListeners.end();
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++lookup
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)
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{
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if ( *lookup == _pListener )
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{
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rListeners.erase( lookup );
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break;
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}
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}
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}
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//........................................................................
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} // namespace utl
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//........................................................................
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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