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-rw-r--r--binaryurp/source/proxy.cxx239
1 files changed, 239 insertions, 0 deletions
diff --git a/binaryurp/source/proxy.cxx b/binaryurp/source/proxy.cxx
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+/* -*- 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: */