office-gobmx/include/comphelper/anytohash.hxx
Luboš Luňák dd6ff1fd7f implement anyToHash() and use it for SdrCustomShapeGeometryItem
Using anyLess() still has quite some cost with bsc#1183308, this
makes the cost almost unnoticeable.

Since some values of Any are not handled, return empty std::optional
for those cases.

Change-Id: Ib45a81441e8bb456c4749f9bc53a981f09bbb1a5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128109
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
2022-01-09 15:43:53 +01:00

48 lines
1.5 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 .
*/
#ifndef INCLUDED_COMPHELPER_ANYTOHASH_HXX
#define INCLUDED_COMPHELPER_ANYTOHASH_HXX
#include <comphelper/comphelperdllapi.h>
#include <optional>
namespace com::sun::star::uno
{
class Any;
}
namespace comphelper
{
/** Tries to get a hash value for an ANY value.
Not all cases may be implemented, in which case no value is returned.
@param value
ANY value
@return
hash of given ANY value, or not available
*/
COMPHELPER_DLLPUBLIC std::optional<size_t> anyToHash(css::uno::Any const& value);
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */