office-gobmx/binaryurp/source/proxy.cxx
Noel Grandin b36b225c6a clang-tidy modernize-pass-by-value in binaryurp
Change-Id: I1570ed8ace3e1684ad228efbd8b13d2fe9b0f2af
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134706
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2022-05-21 17:30:08 +02:00

239 lines
7.7 KiB
C++

/* -*- 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 <sal/config.h>
#include <cassert>
#include <exception>
#include <utility>
#include <vector>
#include <cppuhelper/exc_hlp.hxx>
#include <o3tl/runtimetooustring.hxx>
#include <rtl/ref.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <typelib/typedescription.h>
#include <typelib/typedescription.hxx>
#include <uno/any2.h>
#include <uno/dispatcher.h>
#include <uno/dispatcher.hxx>
#include "binaryany.hxx"
#include "bridge.hxx"
#include "proxy.hxx"
namespace binaryurp {
namespace {
extern "C" void proxy_acquireInterface(uno_Interface * pInterface) {
assert(pInterface != nullptr);
static_cast< Proxy * >(pInterface)->do_acquire();
}
extern "C" void proxy_releaseInterface(uno_Interface * pInterface) {
assert(pInterface != nullptr);
static_cast< Proxy * >(pInterface)->do_release();
}
extern "C" void proxy_dispatchInterface(
uno_Interface * pUnoI, typelib_TypeDescription const * pMemberType,
void * pReturn, void ** pArgs, uno_Any ** ppException)
{
assert(pUnoI != nullptr);
static_cast< Proxy * >(pUnoI)->do_dispatch(
pMemberType, pReturn, pArgs, ppException);
}
}
Proxy::Proxy(
rtl::Reference< Bridge > const & bridge, OUString oid,
css::uno::TypeDescription type):
bridge_(bridge), oid_(std::move(oid)), type_(std::move(type)), references_(1)
{
assert(bridge.is());
acquire = &proxy_acquireInterface;
release = &proxy_releaseInterface;
pDispatcher = &proxy_dispatchInterface;
}
void Proxy::do_acquire() {
if (++references_ == 1) {
bridge_->resurrectProxy(*this);
}
}
void Proxy::do_release() {
if (--references_ == 0) {
bridge_->revokeProxy(*this);
}
}
void Proxy::do_free() {
bridge_->freeProxy(*this);
delete this;
}
void Proxy::do_dispatch(
typelib_TypeDescription const * member, void * returnValue,
void ** arguments, uno_Any ** exception) const
{
try {
try {
do_dispatch_throw(member, returnValue, arguments, exception);
} catch (const std::exception & e) {
throw css::uno::RuntimeException(
"caught C++ exception: " + o3tl::runtimeToOUString(e.what()));
}
} catch (const css::uno::RuntimeException &) {
css::uno::Any exc(cppu::getCaughtException());
uno_copyAndConvertData(
*exception, &exc,
(css::uno::TypeDescription(cppu::UnoType< css::uno::Any >::get()).
get()),
bridge_->getCppToBinaryMapping().get());
}
}
bool Proxy::isProxy(
rtl::Reference< Bridge > const & bridge,
css::uno::UnoInterfaceReference const & object, OUString * oid)
{
assert(object.is());
return object.m_pUnoI->acquire == &proxy_acquireInterface &&
static_cast< Proxy * >(object.m_pUnoI)->isProxy(bridge, oid);
}
Proxy::~Proxy() {}
void Proxy::do_dispatch_throw(
typelib_TypeDescription const * member, void * returnValue,
void ** arguments, uno_Any ** exception) const
{
//TODO: Optimize queryInterface:
assert(member != nullptr);
bool bSetter = false;
std::vector< BinaryAny > inArgs;
switch (member->eTypeClass) {
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
bSetter = returnValue == nullptr;
if (bSetter) {
inArgs.emplace_back(
css::uno::TypeDescription(
reinterpret_cast<
typelib_InterfaceAttributeTypeDescription const * >(
member)->
pAttributeTypeRef),
arguments[0]);
}
break;
case typelib_TypeClass_INTERFACE_METHOD:
{
typelib_InterfaceMethodTypeDescription const * mtd =
reinterpret_cast<
typelib_InterfaceMethodTypeDescription const * >(member);
for (sal_Int32 i = 0; i != mtd->nParams; ++i) {
if (mtd->pParams[i].bIn) {
inArgs.emplace_back(
css::uno::TypeDescription(mtd->pParams[i].pTypeRef),
arguments[i]);
}
}
break;
}
default:
assert(false); // this cannot happen
break;
}
BinaryAny ret;
std::vector< BinaryAny > outArgs;
if (bridge_->makeCall(
oid_,
css::uno::TypeDescription(
const_cast< typelib_TypeDescription * >(member)),
bSetter, std::move(inArgs), &ret, &outArgs))
{
assert(ret.getType().get()->eTypeClass == typelib_TypeClass_EXCEPTION);
uno_any_construct(
*exception, ret.getValue(ret.getType()), ret.getType().get(), nullptr);
} else {
switch (member->eTypeClass) {
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
if (!bSetter) {
css::uno::TypeDescription t(
reinterpret_cast<
typelib_InterfaceAttributeTypeDescription const * >(
member)->
pAttributeTypeRef);
uno_copyData(returnValue, ret.getValue(t), t.get(), nullptr);
}
break;
case typelib_TypeClass_INTERFACE_METHOD:
{
typelib_InterfaceMethodTypeDescription const * mtd =
reinterpret_cast<
typelib_InterfaceMethodTypeDescription const * >(
member);
css::uno::TypeDescription t(mtd->pReturnTypeRef);
if (t.get()->eTypeClass != typelib_TypeClass_VOID) {
uno_copyData(returnValue, ret.getValue(t), t.get(), nullptr);
}
std::vector< BinaryAny >::iterator i(outArgs.begin());
for (sal_Int32 j = 0; j != mtd->nParams; ++j) {
if (mtd->pParams[j].bOut) {
css::uno::TypeDescription pt(mtd->pParams[j].pTypeRef);
if (mtd->pParams[j].bIn) {
(void) uno_assignData(
arguments[j], pt.get(), i++->getValue(pt),
pt.get(), nullptr, nullptr, nullptr);
} else {
uno_copyData(
arguments[j], i++->getValue(pt), pt.get(), nullptr);
}
}
}
assert(i == outArgs.end());
break;
}
default:
assert(false); // this cannot happen
break;
}
*exception = nullptr;
}
}
bool Proxy::isProxy(
rtl::Reference< Bridge > const & bridge, OUString * oid) const
{
assert(oid != nullptr);
if (bridge == bridge_) {
*oid = oid_;
return true;
} else {
return false;
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */