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Diffstat (limited to 'bridges/source/cpp_uno/shared/component.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/shared/component.cxx | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/shared/component.cxx b/bridges/source/cpp_uno/shared/component.cxx new file mode 100644 index 000000000..5bdb0bb56 --- /dev/null +++ b/bridges/source/cpp_uno/shared/component.cxx @@ -0,0 +1,227 @@ +/* -*- 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 . + */ + +#include <bridge.hxx> + +#include <com/sun/star/uno/Reference.hxx> +#include <com/sun/star/uno/RuntimeException.hpp> +#include <com/sun/star/uno/XInterface.hpp> +#include <osl/mutex.hxx> +#include <osl/time.h> +#include <rtl/process.h> +#include <rtl/ustrbuf.hxx> +#include <rtl/ustring.h> +#include <rtl/ustring.hxx> +#include <sal/log.hxx> +#include <sal/types.h> +#include <uno/environment.h> +#include <uno/lbnames.h> +#include <uno/mapping.h> +#include <cppu/EnvDcp.hxx> + + +namespace { + +const OUString & cppu_cppenv_getStaticOIdPart() +{ + static OUString s_aStaticOidPart = []() { + OUStringBuffer aRet(64); + aRet.append("];"); + // good guid + sal_uInt8 ar[16]; + ::rtl_getGlobalProcessId(ar); + for (unsigned char i : ar) + { + aRet.append(static_cast<sal_Int32>(i), 16); + } + return aRet.makeStringAndClear(); + }(); + return s_aStaticOidPart; +} + +} + +extern "C" { + +static void s_stub_computeObjectIdentifier(va_list * pParam) +{ + uno_ExtEnvironment * pEnv = va_arg(*pParam, uno_ExtEnvironment *); + rtl_uString ** ppOId = va_arg(*pParam, rtl_uString **); + void * pInterface = va_arg(*pParam, void *); + + + assert(pEnv && ppOId && pInterface); + if (!(pEnv && ppOId && pInterface)) + return; + + if (*ppOId) + { + rtl_uString_release( *ppOId ); + *ppOId = nullptr; + } + + try + { + ::com::sun::star::uno::Reference< + ::com::sun::star::uno::XInterface > xHome( + static_cast< ::com::sun::star::uno::XInterface * >( + pInterface ), + ::com::sun::star::uno::UNO_QUERY ); + assert(xHome.is() && "### query to XInterface failed!"); + if (xHome.is()) + { + // interface + OUStringBuffer oid( 64 ); + oid.append( reinterpret_cast< sal_Int64 >(xHome.get()), 16 ); + oid.append( ';' ); + // ;environment[context] + oid.append( OUString::unacquired(&pEnv->aBase.pTypeName) ); + oid.append( '[' ); + oid.append( + reinterpret_cast< sal_Int64 >(pEnv->aBase.pContext), + 16 ); + // ];good guid + oid.append( cppu_cppenv_getStaticOIdPart() ); + OUString aRet( oid.makeStringAndClear() ); + *ppOId = aRet.pData; + ::rtl_uString_acquire( *ppOId ); + } + } + catch (const ::com::sun::star::uno::RuntimeException & e) + { + SAL_WARN("bridges", + "### RuntimeException occurred during queryInterface(): " + << e.Message); + } +} + +static void computeObjectIdentifier( + uno_ExtEnvironment * pExtEnv, rtl_uString ** ppOId, void * pInterface ) +{ + uno_Environment_invoke(&pExtEnv->aBase, s_stub_computeObjectIdentifier, pExtEnv, ppOId, pInterface); +} + +static void s_stub_acquireInterface(va_list * pParam) +{ + /*uno_ExtEnvironment * pExtEnv = */va_arg(*pParam, uno_ExtEnvironment *); + void * pCppI = va_arg(*pParam, void *); + + static_cast< ::com::sun::star::uno::XInterface * >( pCppI )->acquire(); +} + +static void acquireInterface( uno_ExtEnvironment * pExtEnv, void * pCppI ) +{ + uno_Environment_invoke(&pExtEnv->aBase, s_stub_acquireInterface, pExtEnv, pCppI); +} + +static void s_stub_releaseInterface(va_list * pParam) +{ + /*uno_ExtEnvironment * pExtEnv = */va_arg(*pParam, uno_ExtEnvironment *); + void * pCppI = va_arg(*pParam, void *); + + static_cast< ::com::sun::star::uno::XInterface * >( pCppI )->release(); +} + +static void releaseInterface( uno_ExtEnvironment * pExtEnv, void * pCppI ) +{ + uno_Environment_invoke(&pExtEnv->aBase, s_stub_releaseInterface, pExtEnv, pCppI); +} + +static void environmentDisposing( + SAL_UNUSED_PARAMETER uno_Environment * ) +{ +} + +#ifdef DISABLE_DYNLOADING +#define uno_initEnvironment CPPU_ENV_uno_initEnvironment +#endif + +SAL_DLLPUBLIC_EXPORT void uno_initEnvironment(uno_Environment * pCppEnv) + SAL_THROW_EXTERN_C() +{ + assert(pCppEnv->pExtEnv); + assert( + ::rtl_ustr_ascii_compare_WithLength( + pCppEnv->pTypeName->buffer, rtl_str_getLength(CPPU_CURRENT_LANGUAGE_BINDING_NAME), CPPU_CURRENT_LANGUAGE_BINDING_NAME ) + == 0 + && "### wrong environment type!"); + reinterpret_cast<uno_ExtEnvironment *>(pCppEnv)->computeObjectIdentifier + = computeObjectIdentifier; + reinterpret_cast<uno_ExtEnvironment *>(pCppEnv)->acquireInterface = acquireInterface; + reinterpret_cast<uno_ExtEnvironment *>(pCppEnv)->releaseInterface = releaseInterface; + pCppEnv->environmentDisposing = environmentDisposing; +} + +#ifdef DISABLE_DYNLOADING +#define uno_ext_getMapping CPPU_ENV_uno_ext_getMapping +#endif + +SAL_DLLPUBLIC_EXPORT void uno_ext_getMapping( + uno_Mapping ** ppMapping, uno_Environment * pFrom, uno_Environment * pTo) + SAL_THROW_EXTERN_C() +{ + assert(ppMapping && pFrom && pTo); + if (!(ppMapping && pFrom && pTo && pFrom->pExtEnv && pTo->pExtEnv)) + return; + + uno_Mapping * pMapping = nullptr; + + OUString from_envTypeName(cppu::EnvDcp::getTypeName(pFrom->pTypeName)); + OUString to_envTypeName(cppu::EnvDcp::getTypeName(pTo->pTypeName)); + + if (rtl_ustr_ascii_compare( + from_envTypeName.pData->buffer, + CPPU_CURRENT_LANGUAGE_BINDING_NAME ) == 0 && + rtl_ustr_ascii_compare( + to_envTypeName.pData->buffer, UNO_LB_UNO ) == 0) + { + // ref count initially 1 + pMapping = bridges::cpp_uno::shared::Bridge::createMapping( + pFrom->pExtEnv, pTo->pExtEnv, true ); + ::uno_registerMapping( + &pMapping, bridges::cpp_uno::shared::freeMapping, + &pFrom->pExtEnv->aBase, + &pTo->pExtEnv->aBase, nullptr ); + } + else if (rtl_ustr_ascii_compare( + to_envTypeName.pData->buffer, + CPPU_CURRENT_LANGUAGE_BINDING_NAME ) == 0 && + rtl_ustr_ascii_compare( + from_envTypeName.pData->buffer, UNO_LB_UNO ) == 0) + { + // ref count initially 1 + pMapping = bridges::cpp_uno::shared::Bridge::createMapping( + pTo->pExtEnv, pFrom->pExtEnv, false ); + ::uno_registerMapping( + &pMapping, bridges::cpp_uno::shared::freeMapping, + &pFrom->pExtEnv->aBase, + &pTo->pExtEnv->aBase, nullptr ); + } + + if (*ppMapping) + { + (*(*ppMapping)->release)( *ppMapping ); + } + if (pMapping) + *ppMapping = pMapping; +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |