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/* -*- 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 .
*/
/*
* This file is part of LibreOffice published API.
*/
#ifndef INCLUDED_CPPU_ENVGUARDS_HXX
#define INCLUDED_CPPU_ENVGUARDS_HXX
#include "uno/environment.hxx"
namespace cppu
{
/** Environment Guard
The provided Environment becomes entered in the constructor and left
in the destructor.
(http://wiki.openoffice.org/wiki/Uno/Cpp/Spec/Environment_Guard)
@since UDK 3.2.7
*/
class EnvGuard
{
css::uno::Environment m_env;
public:
explicit EnvGuard(css::uno::Environment const & env)
{
if (env.is())
{
m_env = css::uno::Environment::getCurrent();
env.enter();
}
}
~EnvGuard()
{
m_env.enter();
}
/** Checks if the associated environment is non empty.
@return 0 == empty, 1 == non empty
*/
bool SAL_CALL is() const
{
return m_env.is();
}
/** Leaves the associated environment and clears
the reference.
*/
void clear()
{
if (m_env.is())
{
m_env.enter();
m_env.clear();
}
}
};
/** Environment Anti-Guard
Any entered Environment becomes left in the constructor and re-entered
in the destructor.
(http://wiki.openoffice.org/wiki/Uno/Cpp/Spec/Environment_AntiGuard)
@since UDK 3.2.7
*/
class AntiEnvGuard
{
css::uno::Environment m_env;
public:
explicit AntiEnvGuard()
: m_env(css::uno::Environment::getCurrent())
{
uno_Environment_enter(NULL);
}
~AntiEnvGuard()
{
m_env.enter();
}
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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