533 lines
18 KiB
C++
533 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2000, 2010 Oracle and/or its affiliates.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
|
|
// MARKER(update_precomp.py): autogen include statement, do not remove
|
|
#include "precompiled_stoc.hxx"
|
|
|
|
#include "osl/diagnose.h"
|
|
#include "osl/interlck.h"
|
|
#include "osl/doublecheckedlocking.h"
|
|
#include "osl/mutex.hxx"
|
|
#include "rtl/ref.hxx"
|
|
#include "uno/dispatcher.hxx"
|
|
#include "uno/data.h"
|
|
#include "uno/mapping.hxx"
|
|
#include "uno/environment.hxx"
|
|
#include "typelib/typedescription.hxx"
|
|
#include "cppuhelper/exc_hlp.hxx"
|
|
#include "cppuhelper/implbase2.hxx"
|
|
#include "cppuhelper/implementationentry.hxx"
|
|
#include "cppuhelper/factory.hxx"
|
|
#include "com/sun/star/lang/XServiceInfo.hpp"
|
|
#include "com/sun/star/registry/XRegistryKey.hpp"
|
|
#include "com/sun/star/reflection/XProxyFactory.hpp"
|
|
#include "com/sun/star/uno/RuntimeException.hpp"
|
|
|
|
#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
|
|
#define SERVICE_NAME "com.sun.star.reflection.ProxyFactory"
|
|
#define IMPL_NAME "com.sun.star.comp.reflection.ProxyFactory"
|
|
|
|
|
|
using namespace ::com::sun::star;
|
|
using namespace ::com::sun::star::uno;
|
|
using ::rtl::OUString;
|
|
|
|
|
|
namespace
|
|
{
|
|
|
|
static rtl_StandardModuleCount g_moduleCount = MODULE_COUNT_INIT;
|
|
|
|
static OUString proxyfac_getImplementationName()
|
|
{
|
|
return OUSTR(IMPL_NAME);
|
|
}
|
|
|
|
static Sequence< OUString > proxyfac_getSupportedServiceNames()
|
|
{
|
|
OUString str_name = OUSTR(SERVICE_NAME);
|
|
return Sequence< OUString >( &str_name, 1 );
|
|
}
|
|
|
|
//==============================================================================
|
|
struct FactoryImpl : public ::cppu::WeakImplHelper2< lang::XServiceInfo,
|
|
reflection::XProxyFactory >
|
|
{
|
|
Environment m_uno_env;
|
|
Environment m_cpp_env;
|
|
Mapping m_uno2cpp;
|
|
Mapping m_cpp2uno;
|
|
|
|
UnoInterfaceReference binuno_queryInterface(
|
|
UnoInterfaceReference const & unoI,
|
|
typelib_InterfaceTypeDescription * pTypeDescr );
|
|
|
|
FactoryImpl();
|
|
virtual ~FactoryImpl();
|
|
|
|
// XServiceInfo
|
|
virtual OUString SAL_CALL getImplementationName()
|
|
throw (RuntimeException);
|
|
virtual sal_Bool SAL_CALL supportsService( const OUString & rServiceName )
|
|
throw (RuntimeException);
|
|
virtual Sequence< OUString > SAL_CALL getSupportedServiceNames()
|
|
throw (RuntimeException);
|
|
|
|
// XProxyFactory
|
|
virtual Reference< XAggregation > SAL_CALL createProxy(
|
|
Reference< XInterface > const & xTarget )
|
|
throw (RuntimeException);
|
|
};
|
|
|
|
//______________________________________________________________________________
|
|
UnoInterfaceReference FactoryImpl::binuno_queryInterface(
|
|
UnoInterfaceReference const & unoI,
|
|
typelib_InterfaceTypeDescription * pTypeDescr )
|
|
{
|
|
// init queryInterface() td
|
|
static typelib_TypeDescription * s_pQITD = 0;
|
|
if (s_pQITD == 0)
|
|
{
|
|
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
|
|
if (s_pQITD == 0)
|
|
{
|
|
typelib_TypeDescription * pTXInterfaceDescr = 0;
|
|
TYPELIB_DANGER_GET(
|
|
&pTXInterfaceDescr,
|
|
::getCppuType( reinterpret_cast< Reference< XInterface >
|
|
const * >(0) ).getTypeLibType() );
|
|
typelib_TypeDescription * pQITD = 0;
|
|
typelib_typedescriptionreference_getDescription(
|
|
&pQITD, reinterpret_cast< typelib_InterfaceTypeDescription * >(
|
|
pTXInterfaceDescr )->ppAllMembers[ 0 ] );
|
|
TYPELIB_DANGER_RELEASE( pTXInterfaceDescr );
|
|
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
|
|
s_pQITD = pQITD;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
|
|
}
|
|
|
|
void * args[ 1 ];
|
|
args[ 0 ] = &reinterpret_cast< typelib_TypeDescription * >(
|
|
pTypeDescr )->pWeakRef;
|
|
uno_Any ret_val, exc_space;
|
|
uno_Any * exc = &exc_space;
|
|
|
|
unoI.dispatch( s_pQITD, &ret_val, args, &exc );
|
|
|
|
if (exc == 0)
|
|
{
|
|
UnoInterfaceReference ret;
|
|
if (ret_val.pType->eTypeClass == typelib_TypeClass_INTERFACE)
|
|
{
|
|
ret.set( *reinterpret_cast< uno_Interface ** >(ret_val.pData),
|
|
SAL_NO_ACQUIRE );
|
|
typelib_typedescriptionreference_release( ret_val.pType );
|
|
}
|
|
else
|
|
{
|
|
uno_any_destruct( &ret_val, 0 );
|
|
}
|
|
return ret;
|
|
}
|
|
else
|
|
{
|
|
// exception occurred:
|
|
OSL_ENSURE(
|
|
typelib_typedescriptionreference_isAssignableFrom(
|
|
::getCppuType( reinterpret_cast<
|
|
RuntimeException const * >(0) ).getTypeLibType(),
|
|
exc->pType ),
|
|
"### RuntimeException expected!" );
|
|
Any cpp_exc;
|
|
uno_type_copyAndConvertData(
|
|
&cpp_exc, exc, ::getCppuType( &cpp_exc ).getTypeLibType(),
|
|
m_uno2cpp.get() );
|
|
uno_any_destruct( exc, 0 );
|
|
::cppu::throwException( cpp_exc );
|
|
OSL_ASSERT( 0 ); // way of no return
|
|
return UnoInterfaceReference(); // for dummy
|
|
}
|
|
}
|
|
|
|
//==============================================================================
|
|
struct ProxyRoot : public ::cppu::OWeakAggObject
|
|
{
|
|
// XAggregation
|
|
virtual Any SAL_CALL queryAggregation( Type const & rType )
|
|
throw (RuntimeException);
|
|
|
|
virtual ~ProxyRoot();
|
|
inline ProxyRoot( ::rtl::Reference< FactoryImpl > const & factory,
|
|
Reference< XInterface > const & xTarget );
|
|
|
|
::rtl::Reference< FactoryImpl > m_factory;
|
|
|
|
private:
|
|
UnoInterfaceReference m_target;
|
|
};
|
|
|
|
//==============================================================================
|
|
struct binuno_Proxy : public uno_Interface
|
|
{
|
|
oslInterlockedCount m_nRefCount;
|
|
::rtl::Reference< ProxyRoot > m_root;
|
|
UnoInterfaceReference m_target;
|
|
OUString m_oid;
|
|
TypeDescription m_typeDescr;
|
|
|
|
inline binuno_Proxy(
|
|
::rtl::Reference< ProxyRoot > const & root,
|
|
UnoInterfaceReference const & target,
|
|
OUString const & oid, TypeDescription const & typeDescr );
|
|
};
|
|
|
|
extern "C"
|
|
{
|
|
|
|
//------------------------------------------------------------------------------
|
|
static void SAL_CALL binuno_proxy_free(
|
|
uno_ExtEnvironment * pEnv, void * pProxy )
|
|
{
|
|
(void) pEnv; // avoid warning about unused parameter
|
|
binuno_Proxy * proxy = static_cast< binuno_Proxy * >(
|
|
reinterpret_cast< uno_Interface * >( pProxy ) );
|
|
OSL_ASSERT( proxy->m_root->m_factory->m_uno_env.get()->pExtEnv == pEnv );
|
|
delete proxy;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
static void SAL_CALL binuno_proxy_acquire( uno_Interface * pUnoI )
|
|
{
|
|
binuno_Proxy * that = static_cast< binuno_Proxy * >( pUnoI );
|
|
if (osl_incrementInterlockedCount( &that->m_nRefCount ) == 1)
|
|
{
|
|
// rebirth of zombie
|
|
uno_ExtEnvironment * uno_env =
|
|
that->m_root->m_factory->m_uno_env.get()->pExtEnv;
|
|
OSL_ASSERT( uno_env != 0 );
|
|
(*uno_env->registerProxyInterface)(
|
|
uno_env, reinterpret_cast< void ** >( &pUnoI ), binuno_proxy_free,
|
|
that->m_oid.pData,
|
|
reinterpret_cast< typelib_InterfaceTypeDescription * >(
|
|
that->m_typeDescr.get() ) );
|
|
OSL_ASSERT( that == static_cast< binuno_Proxy * >( pUnoI ) );
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
static void SAL_CALL binuno_proxy_release( uno_Interface * pUnoI )
|
|
{
|
|
binuno_Proxy * that = static_cast< binuno_Proxy * >( pUnoI );
|
|
if (osl_decrementInterlockedCount( &that->m_nRefCount ) == 0)
|
|
{
|
|
uno_ExtEnvironment * uno_env =
|
|
that->m_root->m_factory->m_uno_env.get()->pExtEnv;
|
|
OSL_ASSERT( uno_env != 0 );
|
|
(*uno_env->revokeInterface)( uno_env, pUnoI );
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
static void SAL_CALL binuno_proxy_dispatch(
|
|
uno_Interface * pUnoI, const typelib_TypeDescription * pMemberType,
|
|
void * pReturn, void * pArgs [], uno_Any ** ppException )
|
|
{
|
|
binuno_Proxy * that = static_cast< binuno_Proxy * >( pUnoI );
|
|
switch (reinterpret_cast< typelib_InterfaceMemberTypeDescription const * >(
|
|
pMemberType )->nPosition)
|
|
{
|
|
case 0: // queryInterface()
|
|
{
|
|
try
|
|
{
|
|
Type const & rType =
|
|
*reinterpret_cast< Type const * >( pArgs[ 0 ] );
|
|
Any ret( that->m_root->queryInterface( rType ) );
|
|
uno_type_copyAndConvertData(
|
|
pReturn, &ret, ::getCppuType( &ret ).getTypeLibType(),
|
|
that->m_root->m_factory->m_cpp2uno.get() );
|
|
*ppException = 0; // no exc
|
|
}
|
|
catch (RuntimeException &)
|
|
{
|
|
Any exc( ::cppu::getCaughtException() );
|
|
uno_type_any_constructAndConvert(
|
|
*ppException, const_cast< void * >(exc.getValue()),
|
|
exc.getValueTypeRef(),
|
|
that->m_root->m_factory->m_cpp2uno.get() );
|
|
}
|
|
break;
|
|
}
|
|
case 1: // acquire()
|
|
binuno_proxy_acquire( pUnoI );
|
|
*ppException = 0; // no exc
|
|
break;
|
|
case 2: // release()
|
|
binuno_proxy_release( pUnoI );
|
|
*ppException = 0; // no exc
|
|
break;
|
|
default:
|
|
that->m_target.dispatch( pMemberType, pReturn, pArgs, ppException );
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
//______________________________________________________________________________
|
|
inline binuno_Proxy::binuno_Proxy(
|
|
::rtl::Reference< ProxyRoot > const & root,
|
|
UnoInterfaceReference const & target,
|
|
OUString const & oid, TypeDescription const & typeDescr )
|
|
: m_nRefCount( 1 ),
|
|
m_root( root ),
|
|
m_target( target ),
|
|
m_oid( oid ),
|
|
m_typeDescr( typeDescr )
|
|
{
|
|
uno_Interface::acquire = binuno_proxy_acquire;
|
|
uno_Interface::release = binuno_proxy_release;
|
|
uno_Interface::pDispatcher = binuno_proxy_dispatch;
|
|
}
|
|
|
|
//______________________________________________________________________________
|
|
ProxyRoot::~ProxyRoot()
|
|
{
|
|
}
|
|
|
|
//______________________________________________________________________________
|
|
inline ProxyRoot::ProxyRoot(
|
|
::rtl::Reference< FactoryImpl > const & factory,
|
|
Reference< XInterface > const & xTarget )
|
|
: m_factory( factory )
|
|
{
|
|
m_factory->m_cpp2uno.mapInterface(
|
|
reinterpret_cast< void ** >( &m_target.m_pUnoI ), xTarget.get(),
|
|
::getCppuType( &xTarget ) );
|
|
OSL_ENSURE( m_target.is(), "### mapping interface failed!" );
|
|
}
|
|
|
|
//______________________________________________________________________________
|
|
Any ProxyRoot::queryAggregation( Type const & rType )
|
|
throw (RuntimeException)
|
|
{
|
|
Any ret( OWeakAggObject::queryAggregation( rType ) );
|
|
if (! ret.hasValue())
|
|
{
|
|
typelib_TypeDescription * pTypeDescr = 0;
|
|
TYPELIB_DANGER_GET( &pTypeDescr, rType.getTypeLibType() );
|
|
try
|
|
{
|
|
Reference< XInterface > xProxy;
|
|
uno_ExtEnvironment * cpp_env = m_factory->m_cpp_env.get()->pExtEnv;
|
|
OSL_ASSERT( cpp_env != 0 );
|
|
|
|
// mind a new delegator, calculate current root:
|
|
Reference< XInterface > xRoot(
|
|
static_cast< OWeakObject * >(this), UNO_QUERY_THROW );
|
|
OUString oid;
|
|
(*cpp_env->getObjectIdentifier)( cpp_env, &oid.pData, xRoot.get() );
|
|
OSL_ASSERT( oid.getLength() > 0 );
|
|
|
|
(*cpp_env->getRegisteredInterface)(
|
|
cpp_env, reinterpret_cast< void ** >( &xProxy ),
|
|
oid.pData, reinterpret_cast<
|
|
typelib_InterfaceTypeDescription * >(pTypeDescr) );
|
|
if (! xProxy.is())
|
|
{
|
|
// perform query on target:
|
|
UnoInterfaceReference proxy_target(
|
|
m_factory->binuno_queryInterface(
|
|
m_target, reinterpret_cast<
|
|
typelib_InterfaceTypeDescription * >(pTypeDescr) ) );
|
|
if (proxy_target.is())
|
|
{
|
|
// ensure root's object entries:
|
|
UnoInterfaceReference root;
|
|
m_factory->m_cpp2uno.mapInterface(
|
|
reinterpret_cast< void ** >( &root.m_pUnoI ),
|
|
xRoot.get(), ::getCppuType( &xRoot ) );
|
|
|
|
UnoInterfaceReference proxy(
|
|
// ref count initially 1:
|
|
new binuno_Proxy( this, proxy_target, oid, pTypeDescr ),
|
|
SAL_NO_ACQUIRE );
|
|
uno_ExtEnvironment * uno_env =
|
|
m_factory->m_uno_env.get()->pExtEnv;
|
|
OSL_ASSERT( uno_env != 0 );
|
|
(*uno_env->registerProxyInterface)(
|
|
uno_env, reinterpret_cast< void ** >( &proxy.m_pUnoI ),
|
|
binuno_proxy_free, oid.pData,
|
|
reinterpret_cast< typelib_InterfaceTypeDescription * >(
|
|
pTypeDescr ) );
|
|
|
|
m_factory->m_uno2cpp.mapInterface(
|
|
reinterpret_cast< void ** >( &xProxy ),
|
|
proxy.get(), pTypeDescr );
|
|
}
|
|
}
|
|
if (xProxy.is())
|
|
ret.setValue( &xProxy, pTypeDescr );
|
|
}
|
|
catch (...) // finally
|
|
{
|
|
TYPELIB_DANGER_RELEASE( pTypeDescr );
|
|
throw;
|
|
}
|
|
TYPELIB_DANGER_RELEASE( pTypeDescr );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
//##############################################################################
|
|
|
|
//______________________________________________________________________________
|
|
FactoryImpl::FactoryImpl()
|
|
{
|
|
OUString uno = OUSTR(UNO_LB_UNO);
|
|
OUString cpp = OUSTR(CPPU_CURRENT_LANGUAGE_BINDING_NAME);
|
|
|
|
uno_getEnvironment(
|
|
reinterpret_cast< uno_Environment ** >( &m_uno_env ), uno.pData, 0 );
|
|
OSL_ENSURE( m_uno_env.is(), "### cannot get binary uno env!" );
|
|
|
|
uno_getEnvironment(
|
|
reinterpret_cast< uno_Environment ** >( &m_cpp_env ), cpp.pData, 0 );
|
|
OSL_ENSURE( m_cpp_env.is(), "### cannot get C++ uno env!" );
|
|
|
|
uno_getMapping(
|
|
reinterpret_cast< uno_Mapping ** >( &m_uno2cpp ),
|
|
m_uno_env.get(), m_cpp_env.get(), 0 );
|
|
OSL_ENSURE( m_uno2cpp.is(), "### cannot get bridge uno <-> C++!" );
|
|
|
|
uno_getMapping(
|
|
reinterpret_cast< uno_Mapping ** >( &m_cpp2uno ),
|
|
m_cpp_env.get(), m_uno_env.get(), 0 );
|
|
OSL_ENSURE( m_cpp2uno.is(), "### cannot get bridge C++ <-> uno!" );
|
|
|
|
g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt );
|
|
}
|
|
|
|
//______________________________________________________________________________
|
|
FactoryImpl::~FactoryImpl()
|
|
{
|
|
g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
|
|
}
|
|
|
|
// XProxyFactory
|
|
//______________________________________________________________________________
|
|
Reference< XAggregation > FactoryImpl::createProxy(
|
|
Reference< XInterface > const & xTarget )
|
|
throw (RuntimeException)
|
|
{
|
|
return new ProxyRoot( this, xTarget );
|
|
}
|
|
|
|
// XServiceInfo
|
|
//______________________________________________________________________________
|
|
OUString FactoryImpl::getImplementationName()
|
|
throw (RuntimeException)
|
|
{
|
|
return proxyfac_getImplementationName();;
|
|
}
|
|
|
|
//______________________________________________________________________________
|
|
sal_Bool FactoryImpl::supportsService( const OUString & rServiceName )
|
|
throw (RuntimeException)
|
|
{
|
|
Sequence< OUString > const & rSNL = getSupportedServiceNames();
|
|
OUString const * pArray = rSNL.getConstArray();
|
|
for ( sal_Int32 nPos = rSNL.getLength(); nPos--; )
|
|
{
|
|
if (rServiceName.equals( pArray[ nPos ] ))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//______________________________________________________________________________
|
|
Sequence< OUString > FactoryImpl::getSupportedServiceNames()
|
|
throw(::com::sun::star::uno::RuntimeException)
|
|
{
|
|
return proxyfac_getSupportedServiceNames();
|
|
}
|
|
|
|
//==============================================================================
|
|
static Reference< XInterface > SAL_CALL proxyfac_create(
|
|
Reference< XComponentContext > const & )
|
|
throw (Exception)
|
|
{
|
|
Reference< XInterface > xRet;
|
|
{
|
|
::osl::MutexGuard guard( ::osl::Mutex::getGlobalMutex() );
|
|
static WeakReference < XInterface > rwInstance;
|
|
xRet = rwInstance;
|
|
|
|
if (! xRet.is())
|
|
{
|
|
xRet = static_cast< ::cppu::OWeakObject * >(new FactoryImpl);
|
|
rwInstance = xRet;
|
|
}
|
|
}
|
|
return xRet;
|
|
}
|
|
|
|
static ::cppu::ImplementationEntry g_entries [] =
|
|
{
|
|
{
|
|
proxyfac_create, proxyfac_getImplementationName,
|
|
proxyfac_getSupportedServiceNames, ::cppu::createSingleComponentFactory,
|
|
&g_moduleCount.modCnt, 0
|
|
},
|
|
{ 0, 0, 0, 0, 0, 0 }
|
|
};
|
|
|
|
}
|
|
|
|
extern "C"
|
|
{
|
|
|
|
sal_Bool SAL_CALL component_canUnload( TimeValue * pTime )
|
|
{
|
|
return g_moduleCount.canUnload( &g_moduleCount, pTime );
|
|
}
|
|
|
|
SAL_DLLPUBLIC_EXPORT void * SAL_CALL component_getFactory(
|
|
const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey )
|
|
{
|
|
return ::cppu::component_getFactoryHelper(
|
|
pImplName, pServiceManager, pRegistryKey, g_entries );
|
|
}
|
|
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|