298 lines
10 KiB
C++
298 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "rtl/uuid.h"
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#include "osl/thread.h"
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#include "osl/mutex.hxx"
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#include "uno/environment.hxx"
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#include "uno/mapping.hxx"
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#include "uno/lbnames.h"
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#include "typelib/typedescription.h"
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#include "current.hxx"
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using namespace ::osl;
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using namespace ::rtl;
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using namespace ::cppu;
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using namespace ::com::sun::star::uno;
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namespace cppu
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{
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//--------------------------------------------------------------------------------------------------
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class SAL_NO_VTABLE XInterface
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{
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public:
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virtual void SAL_CALL slot_queryInterface() = 0;
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virtual void SAL_CALL acquire() throw () = 0;
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virtual void SAL_CALL release() throw () = 0;
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};
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//--------------------------------------------------------------------------------------------------
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static typelib_InterfaceTypeDescription * get_type_XCurrentContext()
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{
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static typelib_InterfaceTypeDescription * s_type_XCurrentContext = 0;
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if (0 == s_type_XCurrentContext)
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{
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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if (0 == s_type_XCurrentContext)
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{
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OUString sTypeName( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.uno.XCurrentContext") );
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typelib_InterfaceTypeDescription * pTD = 0;
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typelib_TypeDescriptionReference * pMembers[1] = { 0 };
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OUString sMethodName0(
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RTL_CONSTASCII_USTRINGPARAM("com.sun.star.uno.XCurrentContext::getValueByName") );
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typelib_typedescriptionreference_new(
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&pMembers[0],
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typelib_TypeClass_INTERFACE_METHOD,
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sMethodName0.pData );
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typelib_typedescription_newInterface(
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&pTD,
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sTypeName.pData, 0x00000000, 0x0000, 0x0000, 0x00000000, 0x00000000,
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* typelib_static_type_getByTypeClass( typelib_TypeClass_INTERFACE ),
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1,
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pMembers );
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typelib_typedescription_register( (typelib_TypeDescription**)&pTD );
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typelib_typedescriptionreference_release( pMembers[0] );
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typelib_InterfaceMethodTypeDescription * pMethod = 0;
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typelib_Parameter_Init aParameters[1];
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OUString sParamName0( RTL_CONSTASCII_USTRINGPARAM("Name") );
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OUString sParamType0( RTL_CONSTASCII_USTRINGPARAM("string") );
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aParameters[0].pParamName = sParamName0.pData;
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aParameters[0].eTypeClass = typelib_TypeClass_STRING;
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aParameters[0].pTypeName = sParamType0.pData;
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aParameters[0].bIn = sal_True;
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aParameters[0].bOut = sal_False;
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rtl_uString * pExceptions[1];
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OUString sExceptionName0(
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RTL_CONSTASCII_USTRINGPARAM("com.sun.star.uno.RuntimeException") );
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pExceptions[0] = sExceptionName0.pData;
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OUString sReturnType0( RTL_CONSTASCII_USTRINGPARAM("any") );
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typelib_typedescription_newInterfaceMethod(
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&pMethod,
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3, sal_False,
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sMethodName0.pData,
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typelib_TypeClass_ANY, sReturnType0.pData,
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1, aParameters, 1, pExceptions );
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typelib_typedescription_register( (typelib_TypeDescription**)&pMethod );
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typelib_typedescription_release( (typelib_TypeDescription*)pMethod );
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// another static ref:
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++reinterpret_cast< typelib_TypeDescription * >( pTD )->
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nStaticRefCount;
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s_type_XCurrentContext = pTD;
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}
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}
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return s_type_XCurrentContext;
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}
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//##################################################################################################
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//==================================================================================================
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class ThreadKey
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{
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sal_Bool _bInit;
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oslThreadKey _hThreadKey;
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oslThreadKeyCallbackFunction _pCallback;
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public:
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inline oslThreadKey getThreadKey() SAL_THROW(());
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inline ThreadKey( oslThreadKeyCallbackFunction pCallback ) SAL_THROW(());
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inline ~ThreadKey() SAL_THROW(());
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};
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//__________________________________________________________________________________________________
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inline ThreadKey::ThreadKey( oslThreadKeyCallbackFunction pCallback ) SAL_THROW(())
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: _bInit( sal_False )
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, _pCallback( pCallback )
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{
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}
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//__________________________________________________________________________________________________
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inline ThreadKey::~ThreadKey() SAL_THROW(())
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{
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if (_bInit)
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{
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::osl_destroyThreadKey( _hThreadKey );
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}
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}
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//__________________________________________________________________________________________________
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inline oslThreadKey ThreadKey::getThreadKey() SAL_THROW(())
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{
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if (! _bInit)
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{
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MutexGuard aGuard( Mutex::getGlobalMutex() );
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if (! _bInit)
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{
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_hThreadKey = ::osl_createThreadKey( _pCallback );
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_bInit = sal_True;
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}
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}
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return _hThreadKey;
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}
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//==================================================================================================
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extern "C" void SAL_CALL delete_IdContainer( void * p )
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{
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if (p)
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{
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IdContainer * pId = reinterpret_cast< IdContainer * >( p );
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if (pId->pCurrentContext)
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{
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(*pId->pCurrentContextEnv->releaseInterface)(
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pId->pCurrentContextEnv, pId->pCurrentContext );
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(*((uno_Environment *)pId->pCurrentContextEnv)->release)(
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(uno_Environment *)pId->pCurrentContextEnv );
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}
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if (pId->bInit)
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{
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::rtl_byte_sequence_release( pId->pLocalThreadId );
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::rtl_byte_sequence_release( pId->pCurrentId );
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}
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delete pId;
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}
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}
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//==================================================================================================
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IdContainer * getIdContainer() SAL_THROW(())
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{
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static ThreadKey s_key( delete_IdContainer );
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oslThreadKey aKey = s_key.getThreadKey();
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IdContainer * pId = reinterpret_cast< IdContainer * >( ::osl_getThreadKeyData( aKey ) );
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if (! pId)
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{
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pId = new IdContainer();
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pId->pCurrentContext = 0;
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pId->pCurrentContextEnv = 0;
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pId->bInit = sal_False;
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::osl_setThreadKeyData( aKey, pId );
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}
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return pId;
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}
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}
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//##################################################################################################
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extern "C" CPPU_DLLPUBLIC sal_Bool SAL_CALL uno_setCurrentContext(
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void * pCurrentContext,
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rtl_uString * pEnvTypeName, void * pEnvContext )
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SAL_THROW_EXTERN_C()
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{
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IdContainer * pId = getIdContainer();
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OSL_ASSERT( pId );
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// free old one
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if (pId->pCurrentContext)
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{
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(*pId->pCurrentContextEnv->releaseInterface)(
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pId->pCurrentContextEnv, pId->pCurrentContext );
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(*((uno_Environment *)pId->pCurrentContextEnv)->release)(
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(uno_Environment *)pId->pCurrentContextEnv );
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pId->pCurrentContextEnv = 0;
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pId->pCurrentContext = 0;
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}
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if (pCurrentContext)
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{
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uno_Environment * pEnv = 0;
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::uno_getEnvironment( &pEnv, pEnvTypeName, pEnvContext );
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OSL_ASSERT( pEnv && pEnv->pExtEnv );
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if (pEnv)
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{
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if (pEnv->pExtEnv)
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{
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pId->pCurrentContextEnv = pEnv->pExtEnv;
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(*pId->pCurrentContextEnv->acquireInterface)(
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pId->pCurrentContextEnv, pCurrentContext );
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pId->pCurrentContext = pCurrentContext;
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}
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else
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{
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(*pEnv->release)( pEnv );
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return sal_False;
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}
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}
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else
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{
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return sal_False;
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}
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}
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return sal_True;
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}
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//##################################################################################################
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extern "C" CPPU_DLLPUBLIC sal_Bool SAL_CALL uno_getCurrentContext(
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void ** ppCurrentContext, rtl_uString * pEnvTypeName, void * pEnvContext )
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SAL_THROW_EXTERN_C()
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{
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IdContainer * pId = getIdContainer();
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OSL_ASSERT( pId );
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Environment target_env;
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// release inout parameter
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if (*ppCurrentContext)
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{
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target_env = Environment(rtl::OUString(pEnvTypeName), pEnvContext);
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OSL_ASSERT( target_env.is() );
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if (! target_env.is())
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return sal_False;
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uno_ExtEnvironment * pEnv = target_env.get()->pExtEnv;
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OSL_ASSERT( 0 != pEnv );
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if (0 == pEnv)
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return sal_False;
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(*pEnv->releaseInterface)( pEnv, *ppCurrentContext );
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*ppCurrentContext = 0;
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}
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// case: null-ref
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if (0 == pId->pCurrentContext)
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return sal_True;
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if (! target_env.is())
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{
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target_env = Environment(rtl::OUString(pEnvTypeName), pEnvContext);
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OSL_ASSERT( target_env.is() );
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if (! target_env.is())
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return sal_False;
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}
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Mapping mapping((uno_Environment *) pId->pCurrentContextEnv, target_env.get());
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OSL_ASSERT( mapping.is() );
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if (! mapping.is())
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return sal_False;
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mapping.mapInterface(ppCurrentContext, pId->pCurrentContext, ::cppu::get_type_XCurrentContext() );
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return sal_True;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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