/* -*- 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_UNO_ENVIRONMENT_HXX
#define INCLUDED_UNO_ENVIRONMENT_HXX
#include "sal/config.h"
#include <cstddef>
#include "rtl/alloc.h"
#include "rtl/ustring.hxx"
#include "uno/environment.h"
#include "uno/lbnames.h"
namespace com
{
namespace sun
{
namespace star
{
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(CPPU_CURRENT_LANGUAGE_BINDING_NAME));
/// @cond INTERNAL
// these are here to force memory de/allocation to sal lib.
static void * SAL_CALL operator new ( size_t nSize )
{ return ::rtl_allocateMemory( nSize ); }
static void SAL_CALL operator delete ( void * pMem )
{ ::rtl_freeMemory( pMem ); }
static void * SAL_CALL operator new ( size_t, void * pMem )
{ return pMem; }
static void SAL_CALL operator delete ( void *, void * )
{}
/// @endcond
/** Constructor: acquires given environment
@ param pEnv environment
*/
inline Environment( uno_Environment * pEnv = NULL );
/** 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 );
/** Copy constructor: acquires given environment
@ param rEnv another environment
*/
inline Environment( const Environment & rEnv );
#if defined LIBO_INTERNAL_ONLY
Environment(Environment && other) noexcept : _pEnv(other._pEnv)
{ other._pEnv = nullptr; }
#endif
/** Destructor: releases a set environment.
*/
inline ~Environment();
/** 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 );
/** Sets a given environment, i.e. acquires given one and releases a set one.
@ param rEnv another environment
@ return this environment
*/
Environment & SAL_CALL operator = ( const Environment & rEnv )
{ return operator = ( rEnv._pEnv ); }
#if defined LIBO_INTERNAL_ONLY
Environment & operator =(Environment && other) {
if (_pEnv != nullptr) {
(*_pEnv->release)(_pEnv);
}
_pEnv = other._pEnv;
other._pEnv = nullptr;
return *this ;
}
#endif
/** Provides UNacquired pointer to the set C environment.
@ return UNacquired pointer to the C environment struct
*/
uno_Environment * SAL_CALL get() const
{ return _pEnv; }
/** Gets type name of set environment.
@ return type name of set environment
*/
::rtl::OUString SAL_CALL getTypeName() const
{ return _pEnv->pTypeName; }
/** Gets free context pointer of set environment.
@ return free context pointer of set environment
*/
void * SAL_CALL getContext() const
{ return _pEnv->pContext; }
/** Tests if an environment is set.
@ return true , if an environment is set , false otherwise
*/
bool SAL_CALL is() const
{ return (_pEnv != NULL); }
/** Releases a set environment.
*/
inline void SAL_CALL clear();
/** 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 ;
/** 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 ;
/** Enter this environment explicitly.
@ since UDK 3 . 2 . 7
*/
inline void SAL_CALL enter() const ;
/** 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 ;
};
inline Environment::Environment( uno_Environment * pEnv )
: _pEnv( pEnv )
{
if (_pEnv)
(*_pEnv->acquire)( _pEnv );
}
inline Environment::Environment( rtl::OUString const & rEnvDcp, void * pContext )
: _pEnv(NULL)
{
uno_getEnvironment(&_pEnv, rEnvDcp.pData, pContext);
}
inline Environment::Environment( const Environment & rEnv )
: _pEnv( rEnv._pEnv )
{
if (_pEnv)
(*_pEnv->acquire)( _pEnv );
}
inline Environment::~Environment()
{
if (_pEnv)
(*_pEnv->release)( _pEnv );
}
inline void Environment::clear()
{
if (_pEnv)
{
(*_pEnv->release)( _pEnv );
_pEnv = NULL;
}
}
inline Environment & Environment::operator = ( uno_Environment * pEnv )
{
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
{
if (_pEnv)
uno_Environment_invoke_v(_pEnv, pCallee, pParam);
}
inline void SAL_CALL Environment::invoke(uno_EnvCallee * pCallee, ...) const
{
if (_pEnv)
{
va_list param;
va_start(param, pCallee);
uno_Environment_invoke_v(_pEnv, pCallee, ¶m);
va_end(param);
}
}
inline void SAL_CALL Environment::enter() const
{
uno_Environment_enter(_pEnv);
}
inline int SAL_CALL Environment::isValid(rtl::OUString * pReason) const
{
return uno_Environment_isValid(_pEnv, &pReason->pData);
}
inline Environment Environment::getCurrent(rtl::OUString const & typeName )
{
Environment environment;
uno_Environment * pEnv = NULL;
uno_getCurrentEnvironment(&pEnv, typeName .pData);
environment = pEnv;
if (pEnv)
pEnv->release(pEnv);
return environment;
}
}
}
}
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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