de403384f2
...after 084b2b068a "optimise Any::operator=(&&) a
little" folded moveAnyInternals into its only remaining call site
Change-Id: I2a9d8a775d601bc0307a3f3a5dfc139c571489ea
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134751
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <cassert>
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#include <utility>
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#include <typelib/typeclass.h>
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#include <typelib/typedescription.hxx>
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#include <uno/any2.h>
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#include "binaryany.hxx"
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namespace binaryurp {
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namespace {
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// Cf. com::sun::star::uno::Any move ctor in
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// include/com/sun/star/uno/Any.hxx:
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void moveInternals(uno_Any & from, uno_Any & to) {
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uno_any_construct(&to, nullptr, nullptr, nullptr);
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std::swap(from.pType, to.pType);
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std::swap(from.pData, to.pData);
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std::swap(from.pReserved, to.pReserved);
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if (to.pData == &from.pReserved) {
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to.pData = &to.pReserved;
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}
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// This leaves to.pData (where "to" is now VOID) dangling to somewhere (cf.
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// CONSTRUCT_EMPTY_ANY, cppu/source/uno/prim.hxx), but what's relevant is
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// only that it isn't a nullptr (as e.g. >>= -> uno_type_assignData ->
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// _assignData takes a null pSource to mean "construct a default value").
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}
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}
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BinaryAny::BinaryAny() noexcept {
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uno_any_construct(&data_, nullptr, nullptr, nullptr);
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}
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BinaryAny::BinaryAny(css::uno::TypeDescription const & type, void * value)
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noexcept
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{
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assert(type.is());
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uno_any_construct(&data_, value, type.get(), nullptr);
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}
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BinaryAny::BinaryAny(uno_Any const & raw) noexcept {
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assert(raw.pType != nullptr);
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data_.pType = raw.pType;
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typelib_typedescriptionreference_acquire(data_.pType);
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data_.pData = raw.pData == &raw.pReserved ? &data_.pReserved : raw.pData;
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data_.pReserved = raw.pReserved;
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}
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BinaryAny::BinaryAny(BinaryAny const & other) noexcept {
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uno_type_any_construct(&data_, other.data_.pData, other.data_.pType, nullptr);
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}
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BinaryAny::BinaryAny(BinaryAny && other) noexcept {
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moveInternals(other.data_, data_);
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}
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BinaryAny::~BinaryAny() noexcept {
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uno_any_destruct(&data_, nullptr);
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}
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BinaryAny & BinaryAny::operator =(BinaryAny const & other) noexcept {
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if (&other != this) {
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uno_type_any_assign(&data_, other.data_.pData, other.data_.pType, nullptr, nullptr);
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}
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return *this;
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}
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BinaryAny & BinaryAny::operator =(BinaryAny && other) noexcept {
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uno_any_destruct(&data_, nullptr);
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moveInternals(other.data_, data_);
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return *this;
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}
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css::uno::TypeDescription BinaryAny::getType() const noexcept {
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return css::uno::TypeDescription(data_.pType);
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}
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void * BinaryAny::getValue(css::uno::TypeDescription const & type) const
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noexcept
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{
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assert(type.is());
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assert(
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type.get()->eTypeClass == typelib_TypeClass_ANY ||
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type.equals(css::uno::TypeDescription(data_.pType)));
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return type.get()->eTypeClass == typelib_TypeClass_ANY
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? &data_ : data_.pData;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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