office-gobmx/cppu/inc/uno/environment.hxx
2012-06-13 14:18:29 +01:00

270 lines
8.5 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 .
*/
#ifndef _UNO_ENVIRONMENT_HXX_
#define _UNO_ENVIRONMENT_HXX_
#include <rtl/alloc.h>
#include <rtl/ustring.hxx>
#include <uno/environment.h>
#include "uno/lbnames.h"
/** */ //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:
/** Returns the current Environment.
@param typeName the optional type of the Environment, falls back to "uno" in case being empty,
respectively to current C++ Environment.
@since UDK 3.2.7
*/
inline static Environment getCurrent(rtl::OUString const & typeName = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(CPPU_STRINGIFY(CPPU_ENV)))) SAL_THROW(());
/// @cond INTERNAL
// these are here to force memory de/allocation to sal lib.
inline static void * SAL_CALL operator new ( size_t nSize ) SAL_THROW(())
{ return ::rtl_allocateMemory( nSize ); }
inline static void SAL_CALL operator delete ( void * pMem ) SAL_THROW(())
{ ::rtl_freeMemory( pMem ); }
inline static void * SAL_CALL operator new ( size_t, void * pMem ) SAL_THROW(())
{ return pMem; }
inline static void SAL_CALL operator delete ( void *, void * ) SAL_THROW(())
{}
/// @endcond
/** 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 envDcp descriptor of the environment
@param pContext context pointer
*/
inline explicit Environment( rtl::OUString const & envDcp, 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(());
/** Invoke the passed function in this environment.
@param pCallee the function to call
@param pParam the parameter pointer to be passed to the function
@since UDK 3.2.7
*/
inline void SAL_CALL invoke_v(uno_EnvCallee * pCallee, va_list * pParam) const SAL_THROW(());
/** Invoke the passed function in this environment.
@param pCallee the function to call
@param ... the parameters to be passed to the function
@since UDK 3.2.7
*/
inline void SAL_CALL invoke(uno_EnvCallee * pCallee, ...) const SAL_THROW(());
/** Enter this environment explicitly.
@since UDK 3.2.7
*/
inline void SAL_CALL enter() const SAL_THROW(());
/** Checks, if it is valid to currently call objects
belonging to this environment.
@since UDK 3.2.7
*/
inline int SAL_CALL isValid(rtl::OUString * pReason) const SAL_THROW(());
};
//__________________________________________________________________________________________________
inline Environment::Environment( uno_Environment * pEnv ) SAL_THROW(())
: _pEnv( pEnv )
{
if (_pEnv)
(*_pEnv->acquire)( _pEnv );
}
//__________________________________________________________________________________________________
inline Environment::Environment( rtl::OUString const & rEnvDcp, void * pContext ) SAL_THROW(())
: _pEnv(NULL)
{
uno_getEnvironment(&_pEnv, rEnvDcp.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;
}
//__________________________________________________________________________________________________
inline void SAL_CALL Environment::invoke_v(uno_EnvCallee * pCallee, va_list * pParam) const SAL_THROW(())
{
if (_pEnv)
uno_Environment_invoke_v(_pEnv, pCallee, pParam);
}
//__________________________________________________________________________________________________
inline void SAL_CALL Environment::invoke(uno_EnvCallee * pCallee, ...) const SAL_THROW(())
{
if (_pEnv)
{
va_list param;
va_start(param, pCallee);
uno_Environment_invoke_v(_pEnv, pCallee, &param);
va_end(param);
}
}
//__________________________________________________________________________________________________
inline void SAL_CALL Environment::enter() const SAL_THROW(())
{
uno_Environment_enter(_pEnv);
}
//__________________________________________________________________________________________________
inline int SAL_CALL Environment::isValid(rtl::OUString * pReason) const SAL_THROW(())
{
return uno_Environment_isValid(_pEnv, (rtl_uString **)pReason);
}
//__________________________________________________________________________________________________
inline Environment Environment::getCurrent(rtl::OUString const & typeName) SAL_THROW(())
{
Environment environment;
uno_Environment * pEnv = NULL;
uno_getCurrentEnvironment(&pEnv, typeName.pData);
environment = pEnv;
if (pEnv)
pEnv->release(pEnv);
return environment;
}
}
}
}
}
#endif
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