1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_cppuhelper.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include "osl/diagnose.h" 32*cdf0e10cSrcweir #include "osl/doublecheckedlocking.h" 33*cdf0e10cSrcweir #include "osl/mutex.hxx" 34*cdf0e10cSrcweir #include "uno/dispatcher.hxx" 35*cdf0e10cSrcweir #include "uno/mapping.hxx" 36*cdf0e10cSrcweir #include "cppuhelper/detail/XExceptionThrower.hpp" 37*cdf0e10cSrcweir #include "com/sun/star/uno/RuntimeException.hpp" 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir #include "cppuhelper/exc_hlp.hxx" 40*cdf0e10cSrcweir 41*cdf0e10cSrcweir #define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) ) 42*cdf0e10cSrcweir 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir using namespace ::rtl; 45*cdf0e10cSrcweir using namespace ::osl; 46*cdf0e10cSrcweir using namespace ::cppu; 47*cdf0e10cSrcweir using namespace ::com::sun::star; 48*cdf0e10cSrcweir using namespace ::com::sun::star::uno; 49*cdf0e10cSrcweir 50*cdf0e10cSrcweir namespace 51*cdf0e10cSrcweir { 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir using cppuhelper::detail::XExceptionThrower; 54*cdf0e10cSrcweir 55*cdf0e10cSrcweir //============================================================================== 56*cdf0e10cSrcweir struct ExceptionThrower : public uno_Interface, XExceptionThrower 57*cdf0e10cSrcweir { 58*cdf0e10cSrcweir inline ExceptionThrower(); 59*cdf0e10cSrcweir 60*cdf0e10cSrcweir public: 61*cdf0e10cSrcweir static ExceptionThrower * get(); 62*cdf0e10cSrcweir static inline Type const & getCppuType() 63*cdf0e10cSrcweir { 64*cdf0e10cSrcweir return ::getCppuType( 65*cdf0e10cSrcweir reinterpret_cast< Reference< XExceptionThrower > const * >(0) ); 66*cdf0e10cSrcweir } 67*cdf0e10cSrcweir 68*cdf0e10cSrcweir // XInterface 69*cdf0e10cSrcweir virtual Any SAL_CALL queryInterface( Type const & type ) 70*cdf0e10cSrcweir throw (RuntimeException); 71*cdf0e10cSrcweir virtual void SAL_CALL acquire() throw (); 72*cdf0e10cSrcweir virtual void SAL_CALL release() throw (); 73*cdf0e10cSrcweir 74*cdf0e10cSrcweir // XExceptionThrower 75*cdf0e10cSrcweir virtual void SAL_CALL throwException( Any const & exc ) throw (Exception); 76*cdf0e10cSrcweir virtual void SAL_CALL rethrowException() throw (Exception); 77*cdf0e10cSrcweir }; 78*cdf0e10cSrcweir 79*cdf0e10cSrcweir extern "C" 80*cdf0e10cSrcweir { 81*cdf0e10cSrcweir 82*cdf0e10cSrcweir //------------------------------------------------------------------------------ 83*cdf0e10cSrcweir static void SAL_CALL ExceptionThrower_acquire_release_nop( uno_Interface * ) 84*cdf0e10cSrcweir { 85*cdf0e10cSrcweir } 86*cdf0e10cSrcweir 87*cdf0e10cSrcweir //------------------------------------------------------------------------------ 88*cdf0e10cSrcweir static void SAL_CALL ExceptionThrower_dispatch( 89*cdf0e10cSrcweir uno_Interface * pUnoI, typelib_TypeDescription const * pMemberType, 90*cdf0e10cSrcweir void * pReturn, void * pArgs [], uno_Any ** ppException ) 91*cdf0e10cSrcweir { 92*cdf0e10cSrcweir OSL_ASSERT( pMemberType->eTypeClass == typelib_TypeClass_INTERFACE_METHOD ); 93*cdf0e10cSrcweir 94*cdf0e10cSrcweir switch (reinterpret_cast< typelib_InterfaceMemberTypeDescription * >( 95*cdf0e10cSrcweir const_cast< typelib_TypeDescription * >( pMemberType ) )-> 96*cdf0e10cSrcweir nPosition) 97*cdf0e10cSrcweir { 98*cdf0e10cSrcweir case 0: // queryInterace() 99*cdf0e10cSrcweir { 100*cdf0e10cSrcweir Type const & rType_demanded = 101*cdf0e10cSrcweir *reinterpret_cast< Type const * >( pArgs[ 0 ] ); 102*cdf0e10cSrcweir if (rType_demanded.equals( 103*cdf0e10cSrcweir ::getCppuType( reinterpret_cast< 104*cdf0e10cSrcweir Reference< XInterface > const * >(0) ) ) || 105*cdf0e10cSrcweir rType_demanded.equals( ExceptionThrower::getCppuType() )) 106*cdf0e10cSrcweir { 107*cdf0e10cSrcweir typelib_TypeDescription * pTD = 0; 108*cdf0e10cSrcweir TYPELIB_DANGER_GET( &pTD, rType_demanded.getTypeLibType() ); 109*cdf0e10cSrcweir uno_any_construct( 110*cdf0e10cSrcweir reinterpret_cast< uno_Any * >( pReturn ), &pUnoI, pTD, 0 ); 111*cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pTD ); 112*cdf0e10cSrcweir } 113*cdf0e10cSrcweir else 114*cdf0e10cSrcweir { 115*cdf0e10cSrcweir uno_any_construct( 116*cdf0e10cSrcweir reinterpret_cast< uno_Any * >( pReturn ), 0, 0, 0 ); 117*cdf0e10cSrcweir } 118*cdf0e10cSrcweir *ppException = 0; 119*cdf0e10cSrcweir break; 120*cdf0e10cSrcweir } 121*cdf0e10cSrcweir case 1: // acquire() 122*cdf0e10cSrcweir case 2: // release() 123*cdf0e10cSrcweir *ppException = 0; 124*cdf0e10cSrcweir break; 125*cdf0e10cSrcweir case 3: // throwException() 126*cdf0e10cSrcweir { 127*cdf0e10cSrcweir uno_Any * pAny = reinterpret_cast< uno_Any * >( pArgs[ 0 ] ); 128*cdf0e10cSrcweir OSL_ASSERT( pAny->pType->eTypeClass == typelib_TypeClass_EXCEPTION ); 129*cdf0e10cSrcweir uno_type_any_construct( *ppException, pAny->pData, pAny->pType, 0 ); 130*cdf0e10cSrcweir break; 131*cdf0e10cSrcweir } 132*cdf0e10cSrcweir default: 133*cdf0e10cSrcweir { 134*cdf0e10cSrcweir OSL_ASSERT( 0 ); 135*cdf0e10cSrcweir RuntimeException exc( 136*cdf0e10cSrcweir OUSTR("not implemented!"), Reference< XInterface >() ); 137*cdf0e10cSrcweir uno_type_any_construct( 138*cdf0e10cSrcweir *ppException, &exc, ::getCppuType( &exc ).getTypeLibType(), 0 ); 139*cdf0e10cSrcweir break; 140*cdf0e10cSrcweir } 141*cdf0e10cSrcweir } 142*cdf0e10cSrcweir } 143*cdf0e10cSrcweir 144*cdf0e10cSrcweir } // extern "C" 145*cdf0e10cSrcweir 146*cdf0e10cSrcweir //______________________________________________________________________________ 147*cdf0e10cSrcweir Any ExceptionThrower::queryInterface( Type const & type ) 148*cdf0e10cSrcweir throw (RuntimeException) 149*cdf0e10cSrcweir { 150*cdf0e10cSrcweir if (type.equals( ::getCppuType( reinterpret_cast< 151*cdf0e10cSrcweir Reference< XInterface > const * >(0) ) ) || 152*cdf0e10cSrcweir type.equals( ExceptionThrower::getCppuType() )) 153*cdf0e10cSrcweir { 154*cdf0e10cSrcweir XExceptionThrower * that = static_cast< XExceptionThrower * >( this ); 155*cdf0e10cSrcweir return Any( &that, type ); 156*cdf0e10cSrcweir } 157*cdf0e10cSrcweir return Any(); 158*cdf0e10cSrcweir } 159*cdf0e10cSrcweir 160*cdf0e10cSrcweir //______________________________________________________________________________ 161*cdf0e10cSrcweir void ExceptionThrower::acquire() throw () 162*cdf0e10cSrcweir { 163*cdf0e10cSrcweir } 164*cdf0e10cSrcweir //______________________________________________________________________________ 165*cdf0e10cSrcweir void ExceptionThrower::release() throw () 166*cdf0e10cSrcweir { 167*cdf0e10cSrcweir } 168*cdf0e10cSrcweir 169*cdf0e10cSrcweir //______________________________________________________________________________ 170*cdf0e10cSrcweir void ExceptionThrower::throwException( Any const & exc ) throw (Exception) 171*cdf0e10cSrcweir { 172*cdf0e10cSrcweir OSL_ENSURE( 0, "unexpected!" ); 173*cdf0e10cSrcweir throwException( exc ); 174*cdf0e10cSrcweir } 175*cdf0e10cSrcweir 176*cdf0e10cSrcweir //______________________________________________________________________________ 177*cdf0e10cSrcweir void ExceptionThrower::rethrowException() throw (Exception) 178*cdf0e10cSrcweir { 179*cdf0e10cSrcweir throw; 180*cdf0e10cSrcweir } 181*cdf0e10cSrcweir 182*cdf0e10cSrcweir //______________________________________________________________________________ 183*cdf0e10cSrcweir inline ExceptionThrower::ExceptionThrower() 184*cdf0e10cSrcweir { 185*cdf0e10cSrcweir uno_Interface::acquire = ExceptionThrower_acquire_release_nop; 186*cdf0e10cSrcweir uno_Interface::release = ExceptionThrower_acquire_release_nop; 187*cdf0e10cSrcweir uno_Interface::pDispatcher = ExceptionThrower_dispatch; 188*cdf0e10cSrcweir } 189*cdf0e10cSrcweir 190*cdf0e10cSrcweir //______________________________________________________________________________ 191*cdf0e10cSrcweir ExceptionThrower * ExceptionThrower::get() 192*cdf0e10cSrcweir { 193*cdf0e10cSrcweir ExceptionThrower * s_pThrower = 0; 194*cdf0e10cSrcweir if (s_pThrower == 0) 195*cdf0e10cSrcweir { 196*cdf0e10cSrcweir MutexGuard guard( Mutex::getGlobalMutex() ); 197*cdf0e10cSrcweir static ExceptionThrower s_thrower; 198*cdf0e10cSrcweir OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); 199*cdf0e10cSrcweir s_pThrower = &s_thrower; 200*cdf0e10cSrcweir } 201*cdf0e10cSrcweir else 202*cdf0e10cSrcweir { 203*cdf0e10cSrcweir OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); 204*cdf0e10cSrcweir } 205*cdf0e10cSrcweir return s_pThrower; 206*cdf0e10cSrcweir } 207*cdf0e10cSrcweir 208*cdf0e10cSrcweir } // anonymous namespace 209*cdf0e10cSrcweir 210*cdf0e10cSrcweir 211*cdf0e10cSrcweir namespace cppu 212*cdf0e10cSrcweir { 213*cdf0e10cSrcweir 214*cdf0e10cSrcweir //============================================================================== 215*cdf0e10cSrcweir void SAL_CALL throwException( Any const & exc ) SAL_THROW( (Exception) ) 216*cdf0e10cSrcweir { 217*cdf0e10cSrcweir if (exc.getValueTypeClass() != TypeClass_EXCEPTION) 218*cdf0e10cSrcweir { 219*cdf0e10cSrcweir throw RuntimeException( 220*cdf0e10cSrcweir OUSTR("no UNO exception given " 221*cdf0e10cSrcweir "(must be derived from com::sun::star::uno::Exception)!"), 222*cdf0e10cSrcweir Reference< XInterface >() ); 223*cdf0e10cSrcweir } 224*cdf0e10cSrcweir 225*cdf0e10cSrcweir Mapping uno2cpp(Environment(OUSTR(UNO_LB_UNO)), Environment::getCurrent()); 226*cdf0e10cSrcweir if (! uno2cpp.is()) 227*cdf0e10cSrcweir { 228*cdf0e10cSrcweir throw RuntimeException( 229*cdf0e10cSrcweir OUSTR("cannot get binary UNO to C++ mapping!"), 230*cdf0e10cSrcweir Reference< XInterface >() ); 231*cdf0e10cSrcweir } 232*cdf0e10cSrcweir 233*cdf0e10cSrcweir Reference< XExceptionThrower > xThrower; 234*cdf0e10cSrcweir uno2cpp.mapInterface( 235*cdf0e10cSrcweir reinterpret_cast< void ** >( &xThrower ), 236*cdf0e10cSrcweir static_cast< uno_Interface * >( ExceptionThrower::get() ), 237*cdf0e10cSrcweir ExceptionThrower::getCppuType() ); 238*cdf0e10cSrcweir OSL_ASSERT( xThrower.is() ); 239*cdf0e10cSrcweir xThrower->throwException( exc ); 240*cdf0e10cSrcweir } 241*cdf0e10cSrcweir 242*cdf0e10cSrcweir //============================================================================== 243*cdf0e10cSrcweir Any SAL_CALL getCaughtException() 244*cdf0e10cSrcweir { 245*cdf0e10cSrcweir Mapping cpp2uno(Environment::getCurrent(), Environment(OUSTR(UNO_LB_UNO))); 246*cdf0e10cSrcweir if (! cpp2uno.is()) 247*cdf0e10cSrcweir { 248*cdf0e10cSrcweir throw RuntimeException( 249*cdf0e10cSrcweir OUSTR("cannot get C++ to binary UNO mapping!"), 250*cdf0e10cSrcweir Reference< XInterface >() ); 251*cdf0e10cSrcweir } 252*cdf0e10cSrcweir Mapping uno2cpp(Environment(OUSTR(UNO_LB_UNO)), Environment::getCurrent()); 253*cdf0e10cSrcweir if (! uno2cpp.is()) 254*cdf0e10cSrcweir { 255*cdf0e10cSrcweir throw RuntimeException( 256*cdf0e10cSrcweir OUSTR("cannot get binary UNO to C++ mapping!"), 257*cdf0e10cSrcweir Reference< XInterface >() ); 258*cdf0e10cSrcweir } 259*cdf0e10cSrcweir 260*cdf0e10cSrcweir typelib_TypeDescription * pTD = 0; 261*cdf0e10cSrcweir TYPELIB_DANGER_GET( 262*cdf0e10cSrcweir &pTD, ExceptionThrower::getCppuType().getTypeLibType() ); 263*cdf0e10cSrcweir 264*cdf0e10cSrcweir UnoInterfaceReference unoI; 265*cdf0e10cSrcweir cpp2uno.mapInterface( 266*cdf0e10cSrcweir reinterpret_cast< void ** >( &unoI.m_pUnoI ), 267*cdf0e10cSrcweir static_cast< XExceptionThrower * >( ExceptionThrower::get() ), pTD ); 268*cdf0e10cSrcweir OSL_ASSERT( unoI.is() ); 269*cdf0e10cSrcweir 270*cdf0e10cSrcweir typelib_TypeDescription * pMemberTD = 0; 271*cdf0e10cSrcweir TYPELIB_DANGER_GET( 272*cdf0e10cSrcweir &pMemberTD, 273*cdf0e10cSrcweir reinterpret_cast< typelib_InterfaceTypeDescription * >( pTD )-> 274*cdf0e10cSrcweir ppMembers[ 1 ] /* rethrowException() */ ); 275*cdf0e10cSrcweir 276*cdf0e10cSrcweir uno_Any exc_mem; 277*cdf0e10cSrcweir uno_Any * exc = &exc_mem; 278*cdf0e10cSrcweir unoI.dispatch( pMemberTD, 0, 0, &exc ); 279*cdf0e10cSrcweir 280*cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pMemberTD ); 281*cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pTD ); 282*cdf0e10cSrcweir 283*cdf0e10cSrcweir if (exc == 0) 284*cdf0e10cSrcweir { 285*cdf0e10cSrcweir throw RuntimeException( 286*cdf0e10cSrcweir OUSTR("rethrowing C++ exception failed!"), 287*cdf0e10cSrcweir Reference< XInterface >() ); 288*cdf0e10cSrcweir } 289*cdf0e10cSrcweir 290*cdf0e10cSrcweir Any ret; 291*cdf0e10cSrcweir uno_any_destruct( &ret, reinterpret_cast< uno_ReleaseFunc >(cpp_release) ); 292*cdf0e10cSrcweir uno_type_any_constructAndConvert( 293*cdf0e10cSrcweir &ret, exc->pData, exc->pType, uno2cpp.get() ); 294*cdf0e10cSrcweir uno_any_destruct( exc, 0 ); 295*cdf0e10cSrcweir return ret; 296*cdf0e10cSrcweir } 297*cdf0e10cSrcweir 298*cdf0e10cSrcweir } 299