Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 239 insertions, 0 deletions

diff --git a/binaryurp/source/proxy.cxx b/binaryurp/source/proxy.cxx
new file mode 100644
index 000000000..49705e06a
--- /dev/null
+++ b/binaryurp/source/proxy.cxx
@@ -0,0 +1,239 @@
+/* -*- 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: */