/************************************************************** * * 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 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ #ifndef _UNO_ENVIRONMENT_HXX_ #define _UNO_ENVIRONMENT_HXX_ #include #include #include #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 env_type 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( () ); // 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 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, ¶m); 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