270 lines
7 KiB
C++
270 lines
7 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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#ifndef INCLUDED_UNO_ENVIRONMENT_HXX
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#define INCLUDED_UNO_ENVIRONMENT_HXX
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#include <rtl/alloc.h>
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#include <rtl/ustring.hxx>
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#include <uno/environment.h>
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#include <uno/lbnames.h>
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/** */ //for docpp
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namespace com
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{
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/** */ //for docpp
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namespace sun
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{
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/** */ //for docpp
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namespace star
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{
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/** */ //for docpp
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namespace uno
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{
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/** C++ wrapper for binary C uno_Environment.
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@see uno_Environment
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*/
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class Environment
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{
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/** binary C uno_Environment
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*/
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uno_Environment * _pEnv;
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public:
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/** Returns the current Environment.
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@param typeName the optional type of the Environment, falls back to "uno" in case being empty,
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respectively to current C++ Environment.
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@since UDK 3.2.7
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*/
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inline static Environment getCurrent(rtl::OUString const & typeName = rtl::OUString(CPPU_CURRENT_LANGUAGE_BINDING_NAME));
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/// @cond INTERNAL
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// these are here to force memory de/allocation to sal lib.
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inline static void * SAL_CALL operator new ( size_t nSize )
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{ return ::rtl_allocateMemory( nSize ); }
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inline static void SAL_CALL operator delete ( void * pMem )
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{ ::rtl_freeMemory( pMem ); }
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inline static void * SAL_CALL operator new ( size_t, void * pMem )
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{ return pMem; }
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inline static void SAL_CALL operator delete ( void *, void * )
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{}
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/// @endcond
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/** Constructor: acquires given environment
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@param pEnv environment
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*/
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inline Environment( uno_Environment * pEnv = 0 );
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/** Gets a specific environment. If the specified environment does not exist, then a default one
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is created and registered.
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@param envDcp descriptor of the environment
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@param pContext context pointer
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*/
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inline explicit Environment( rtl::OUString const & envDcp, void * pContext = NULL );
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/** Copy constructor: acquires given environment
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@param rEnv another environment
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*/
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inline Environment( const Environment & rEnv );
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/** Destructor: releases a set environment.
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*/
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inline ~Environment();
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/** Sets a given environment, i.e. acquires given one and releases a set one.
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@param pEnv another environment
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@return this environment
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*/
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inline Environment & SAL_CALL operator = ( uno_Environment * pEnv );
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/** Sets a given environment, i.e. acquires given one and releases a set one.
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@param rEnv another environment
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@return this environment
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*/
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inline Environment & SAL_CALL operator = ( const Environment & rEnv )
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{ return operator = ( rEnv._pEnv ); }
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/** Provides UNacquired pointer to the set C environment.
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@return UNacquired pointer to the C environment struct
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*/
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inline uno_Environment * SAL_CALL get() const
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{ return _pEnv; }
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/** Gets type name of set environment.
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@return type name of set environment
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*/
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inline ::rtl::OUString SAL_CALL getTypeName() const
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{ return _pEnv->pTypeName; }
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/** Gets free context pointer of set environment.
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@return free context pointer of set environment
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*/
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inline void * SAL_CALL getContext() const
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{ return _pEnv->pContext; }
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/** Tests if a environment is set.
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@return true, if a environment is set, false otherwise
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*/
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inline bool SAL_CALL is() const
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{ return (_pEnv != 0); }
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/** Releases a set environment.
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*/
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inline void SAL_CALL clear();
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/** Invoke the passed function in this environment.
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@param pCallee the function to call
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@param pParam the parameter pointer to be passed to the function
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@since UDK 3.2.7
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*/
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inline void SAL_CALL invoke_v(uno_EnvCallee * pCallee, va_list * pParam) const;
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/** Invoke the passed function in this environment.
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@param pCallee the function to call
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@param ... the parameters to be passed to the function
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@since UDK 3.2.7
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*/
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inline void SAL_CALL invoke(uno_EnvCallee * pCallee, ...) const;
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/** Enter this environment explicitly.
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@since UDK 3.2.7
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*/
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inline void SAL_CALL enter() const;
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/** Checks, if it is valid to currently call objects
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belonging to this environment.
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@since UDK 3.2.7
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*/
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inline int SAL_CALL isValid(rtl::OUString * pReason) const;
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};
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inline Environment::Environment( uno_Environment * pEnv )
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: _pEnv( pEnv )
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{
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if (_pEnv)
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(*_pEnv->acquire)( _pEnv );
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}
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inline Environment::Environment( rtl::OUString const & rEnvDcp, void * pContext )
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: _pEnv(NULL)
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{
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uno_getEnvironment(&_pEnv, rEnvDcp.pData, pContext);
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}
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inline Environment::Environment( const Environment & rEnv )
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: _pEnv( rEnv._pEnv )
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{
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if (_pEnv)
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(*_pEnv->acquire)( _pEnv );
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}
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inline Environment::~Environment()
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{
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if (_pEnv)
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(*_pEnv->release)( _pEnv );
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}
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inline void Environment::clear()
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{
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if (_pEnv)
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{
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(*_pEnv->release)( _pEnv );
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_pEnv = 0;
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}
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}
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inline Environment & Environment::operator = ( uno_Environment * pEnv )
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{
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if (pEnv != _pEnv)
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{
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if (pEnv)
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(*pEnv->acquire)( pEnv );
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if (_pEnv)
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(*_pEnv->release)( _pEnv );
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_pEnv = pEnv;
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}
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return *this;
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}
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inline void SAL_CALL Environment::invoke_v(uno_EnvCallee * pCallee, va_list * pParam) const
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{
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if (_pEnv)
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uno_Environment_invoke_v(_pEnv, pCallee, pParam);
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}
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inline void SAL_CALL Environment::invoke(uno_EnvCallee * pCallee, ...) const
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{
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if (_pEnv)
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{
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va_list param;
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va_start(param, pCallee);
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uno_Environment_invoke_v(_pEnv, pCallee, ¶m);
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va_end(param);
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}
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}
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inline void SAL_CALL Environment::enter() const
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{
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uno_Environment_enter(_pEnv);
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}
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inline int SAL_CALL Environment::isValid(rtl::OUString * pReason) const
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{
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return uno_Environment_isValid(_pEnv, (rtl_uString **)pReason);
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}
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inline Environment Environment::getCurrent(rtl::OUString const & typeName)
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{
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Environment environment;
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uno_Environment * pEnv = NULL;
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uno_getCurrentEnvironment(&pEnv, typeName.pData);
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environment = pEnv;
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if (pEnv)
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pEnv->release(pEnv);
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return environment;
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}
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}
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}
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}
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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