263 lines
8.4 KiB
C++
263 lines
8.4 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, 2011 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 "sal/config.h"
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#include <exception>
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#include <vector>
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#include "cppuhelper/exc_hlp.hxx"
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#include "osl/diagnose.h"
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#include "rtl/ref.hxx"
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#include "rtl/ustring.hxx"
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#include "sal/types.h"
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#include "typelib/typedescription.h"
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#include "typelib/typedescription.hxx"
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#include "uno/any2.h"
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#include "uno/dispatcher.h"
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#include "uno/dispatcher.hxx"
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#include "binaryany.hxx"
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#include "bridge.hxx"
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#include "proxy.hxx"
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namespace binaryurp {
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namespace {
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namespace css = com::sun::star;
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extern "C" void SAL_CALL proxy_acquireInterface(uno_Interface * pInterface) {
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OSL_ASSERT(pInterface != 0);
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static_cast< Proxy * >(pInterface)->do_acquire();
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}
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extern "C" void SAL_CALL proxy_releaseInterface(uno_Interface * pInterface) {
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OSL_ASSERT(pInterface != 0);
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static_cast< Proxy * >(pInterface)->do_release();
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}
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extern "C" void SAL_CALL proxy_dispatchInterface(
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uno_Interface * pUnoI, typelib_TypeDescription const * pMemberType,
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void * pReturn, void ** pArgs, uno_Any ** ppException)
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{
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OSL_ASSERT(pUnoI != 0);
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static_cast< Proxy * >(pUnoI)->do_dispatch(
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pMemberType, pReturn, pArgs, ppException);
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}
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}
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Proxy::Proxy(
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rtl::Reference< Bridge > const & bridge, rtl::OUString const & oid,
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css::uno::TypeDescription const & type):
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bridge_(bridge), oid_(oid), type_(type), references_(1)
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{
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OSL_ASSERT(bridge.is());
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acquire = &proxy_acquireInterface;
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release = &proxy_releaseInterface;
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pDispatcher = &proxy_dispatchInterface;
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}
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rtl::OUString Proxy::getOid() const {
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return oid_;
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}
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css::uno::TypeDescription Proxy::getType() const {
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return type_;
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}
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void Proxy::do_acquire() {
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if (osl_incrementInterlockedCount(&references_) == 1) {
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bridge_->resurrectProxy(*this);
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}
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}
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void Proxy::do_release() {
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if (osl_decrementInterlockedCount(&references_) == 0) {
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bridge_->revokeProxy(*this);
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}
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}
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void Proxy::do_free() {
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bridge_->freeProxy(*this);
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delete this;
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}
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void Proxy::do_dispatch(
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typelib_TypeDescription const * member, void * returnValue,
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void ** arguments, uno_Any ** exception) const
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{
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try {
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try {
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do_dispatch_throw(member, returnValue, arguments, exception);
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} catch (std::exception & e) {
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throw css::uno::RuntimeException(
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(rtl::OUString(
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RTL_CONSTASCII_USTRINGPARAM("caught C++ exception: ")) +
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rtl::OStringToOUString(
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rtl::OString(e.what()), RTL_TEXTENCODING_ASCII_US)),
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css::uno::Reference< css::uno::XInterface >());
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// best-effort string conversion
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}
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} catch (css::uno::RuntimeException &) {
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css::uno::Any exc(cppu::getCaughtException());
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uno_copyAndConvertData(
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*exception, &exc,
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(css::uno::TypeDescription(cppu::UnoType< css::uno::Any >::get()).
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get()),
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bridge_->getCppToBinaryMapping().get());
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}
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}
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bool Proxy::isProxy(
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rtl::Reference< Bridge > const & bridge,
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css::uno::UnoInterfaceReference const & object, rtl::OUString * oid)
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{
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OSL_ASSERT(object.is());
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return object.m_pUnoI->acquire == &proxy_acquireInterface &&
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static_cast< Proxy * >(object.m_pUnoI)->isProxy(bridge, oid);
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}
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Proxy::~Proxy() {}
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void Proxy::do_dispatch_throw(
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typelib_TypeDescription const * member, void * returnValue,
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void ** arguments, uno_Any ** exception) const
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{
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//TODO: Optimize queryInterface:
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OSL_ASSERT(member != 0);
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bool setter = false;
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std::vector< BinaryAny > inArgs;
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switch (member->eTypeClass) {
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case typelib_TypeClass_INTERFACE_ATTRIBUTE:
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setter = returnValue == 0;
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if (setter) {
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inArgs.push_back(
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BinaryAny(
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css::uno::TypeDescription(
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reinterpret_cast<
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typelib_InterfaceAttributeTypeDescription const * >(
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member)->
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pAttributeTypeRef),
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arguments[0]));
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}
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break;
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case typelib_TypeClass_INTERFACE_METHOD:
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{
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typelib_InterfaceMethodTypeDescription const * mtd =
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reinterpret_cast<
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typelib_InterfaceMethodTypeDescription const * >(member);
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for (sal_Int32 i = 0; i != mtd->nParams; ++i) {
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if (mtd->pParams[i].bIn) {
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inArgs.push_back(
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BinaryAny(
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css::uno::TypeDescription(mtd->pParams[i].pTypeRef),
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arguments[i]));
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}
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}
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break;
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}
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default:
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OSL_ASSERT(false); // this cannot happen
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break;
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}
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BinaryAny ret;
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std::vector< BinaryAny > outArgs;
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if (bridge_->makeCall(
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oid_,
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css::uno::TypeDescription(
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const_cast< typelib_TypeDescription * >(member)),
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setter, inArgs, &ret, &outArgs))
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{
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OSL_ASSERT(
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ret.getType().get()->eTypeClass == typelib_TypeClass_EXCEPTION);
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uno_any_construct(
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*exception, ret.getValue(ret.getType()), ret.getType().get(), 0);
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} else {
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switch (member->eTypeClass) {
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case typelib_TypeClass_INTERFACE_ATTRIBUTE:
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if (!setter) {
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css::uno::TypeDescription t(
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reinterpret_cast<
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typelib_InterfaceAttributeTypeDescription const * >(
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member)->
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pAttributeTypeRef);
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uno_copyData(returnValue, ret.getValue(t), t.get(), 0);
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}
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break;
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case typelib_TypeClass_INTERFACE_METHOD:
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{
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typelib_InterfaceMethodTypeDescription const * mtd =
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reinterpret_cast<
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typelib_InterfaceMethodTypeDescription const * >(
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member);
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css::uno::TypeDescription t(mtd->pReturnTypeRef);
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if (t.get()->eTypeClass != typelib_TypeClass_VOID) {
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uno_copyData(returnValue, ret.getValue(t), t.get(), 0);
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}
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std::vector< BinaryAny >::iterator i(outArgs.begin());
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for (sal_Int32 j = 0; j != mtd->nParams; ++j) {
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if (mtd->pParams[j].bOut) {
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css::uno::TypeDescription pt(mtd->pParams[j].pTypeRef);
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if (mtd->pParams[j].bIn) {
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uno_assignData(
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arguments[j], pt.get(), i++->getValue(pt),
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pt.get(), 0, 0, 0);
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} else {
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uno_copyData(
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arguments[j], i++->getValue(pt), pt.get(), 0);
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}
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}
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}
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OSL_ASSERT(i == outArgs.end());
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break;
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}
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default:
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OSL_ASSERT(false); // this cannot happen
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break;
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}
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*exception = 0;
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}
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}
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bool Proxy::isProxy(
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rtl::Reference< Bridge > const & bridge, rtl::OUString * oid) const
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{
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OSL_ASSERT(oid != 0);
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if (bridge == bridge_) {
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*oid = oid_;
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return true;
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} else {
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return false;
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}
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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