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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: environment.hxx,v $
*
* $Revision: 1.7 $
*
* last change: $Author: rt $ $Date: 2006-10-27 12:14:57 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _UNO_ENVIRONMENT_HXX_
#define _UNO_ENVIRONMENT_HXX_
#ifndef _RTL_ALLOC_H_
#include <rtl/alloc.h>
#endif
#ifndef _RTL_USTRING_HXX_
#include <rtl/ustring.hxx>
#endif
#ifndef _UNO_ENVIRONMENT_H_
#include <uno/environment.h>
#endif
/** */ //for docpp
namespace com
{
/** */ //for docpp
namespace sun
{
/** */ //for docpp
namespace star
{
/** */ //for docpp
namespace uno
{
/** C++ wrapper for binary C uno_Environment.
@see uno_Environment
*/
class Environment
{
/** binary C uno_Environment
*/
uno_Environment * _pEnv;
public:
// these are here to force memory de/allocation to sal lib.
/** @internal */
inline static void * SAL_CALL operator new ( size_t nSize ) SAL_THROW( () )
{ return ::rtl_allocateMemory( nSize ); }
/** @internal */
inline static void SAL_CALL operator delete ( void * pMem ) SAL_THROW( () )
{ ::rtl_freeMemory( pMem ); }
/** @internal */
inline static void * SAL_CALL operator new ( size_t, void * pMem ) SAL_THROW( () )
{ return pMem; }
/** @internal */
inline static void SAL_CALL operator delete ( void *, void * ) SAL_THROW( () )
{}
/** Constructor: acquires given environment
@param pEnv environment
*/
inline Environment( uno_Environment * pEnv = 0 ) SAL_THROW( () );
/** Gets a specific environment. If the specified environment does not exist, then a default one
is created and registered.
@param envTypeName type name of the environment
@param pContext context pointer
*/
inline explicit Environment( rtl::OUString const & envEypeName, void * pContext = NULL ) SAL_THROW( () );
/** Copy constructor: acquires given environment
@param rEnv another environment
*/
inline Environment( const Environment & rEnv ) SAL_THROW( () );
/** Destructor: releases a set environment.
*/
inline ~Environment() SAL_THROW( () );
/** Sets a given environment, i.e. acquires given one and releases a set one.
@param pEnv another environment
@return this environment
*/
inline Environment & SAL_CALL operator = ( uno_Environment * pEnv ) SAL_THROW( () );
/** Sets a given environment, i.e. acquires given one and releases a set one.
@param rEnv another environment
@return this environment
*/
inline Environment & SAL_CALL operator = ( const Environment & rEnv ) SAL_THROW( () )
{ return operator = ( rEnv._pEnv ); }
/** Provides UNacquired pointer to the set C environment.
@return UNacquired pointer to the C environment struct
*/
inline uno_Environment * SAL_CALL get() const SAL_THROW( () )
{ return _pEnv; }
/** Gets type name of set environment.
@return type name of set environment
*/
inline ::rtl::OUString SAL_CALL getTypeName() const SAL_THROW( () )
{ return _pEnv->pTypeName; }
/** Gets free context pointer of set environment.
@return free context pointer of set environment
*/
inline void * SAL_CALL getContext() const SAL_THROW( () )
{ return _pEnv->pContext; }
/** Tests if a environment is set.
@return true, if a environment is set, false otherwise
*/
inline sal_Bool SAL_CALL is() const SAL_THROW( () )
{ return (_pEnv != 0); }
/** Releases a set environment.
*/
inline void SAL_CALL clear() SAL_THROW( () );
};
//__________________________________________________________________________________________________
inline Environment::Environment( uno_Environment * pEnv ) SAL_THROW( () )
: _pEnv( pEnv )
{
if (_pEnv)
(*_pEnv->acquire)( _pEnv );
}
//__________________________________________________________________________________________________
inline Environment::Environment( rtl::OUString const & rEnvTypeName, void * pContext ) SAL_THROW( () )
: _pEnv(NULL)
{
uno_getEnvironment(&_pEnv, rEnvTypeName.pData, pContext);
}
//__________________________________________________________________________________________________
inline Environment::Environment( const Environment & rEnv ) SAL_THROW( () )
: _pEnv( rEnv._pEnv )
{
if (_pEnv)
(*_pEnv->acquire)( _pEnv );
}
//__________________________________________________________________________________________________
inline Environment::~Environment() SAL_THROW( () )
{
if (_pEnv)
(*_pEnv->release)( _pEnv );
}
//__________________________________________________________________________________________________
inline void Environment::clear() SAL_THROW( () )
{
if (_pEnv)
{
(*_pEnv->release)( _pEnv );
_pEnv = 0;
}
}
//__________________________________________________________________________________________________
inline Environment & Environment::operator = ( uno_Environment * pEnv ) SAL_THROW( () )
{
if (pEnv != _pEnv)
{
if (pEnv)
(*pEnv->acquire)( pEnv );
if (_pEnv)
(*_pEnv->release)( _pEnv );
_pEnv = pEnv;
}
return *this;
}
}
}
}
}
#endif
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