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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 .
*/
#ifndef INCLUDED_TOOLS_UNQIDX_HXX
#define INCLUDED_TOOLS_UNQIDX_HXX
#include <sal/types.h>
#include <tools/toolsdllapi.h>
#include <o3tl/strong_int.hxx>
#include <map>
class SAL_WARN_UNUSED TOOLS_DLLPUBLIC UniqueIndexImpl
{
public:
struct IndexTagType {};
typedef o3tl::strong_int<sal_uInt32, IndexTagType> Index;
static Index const IndexNotFound;// = Index(SAL_MAX_UINT32);
private:
std::map<Index, void*> maMap;
Index nUniqIndex;
public:
UniqueIndexImpl( Index nStartIndex = 0 )
: maMap(), nUniqIndex(nStartIndex) {}
Index Insert( void* p );
// insert value with key, replacing existing entry if necessary
void* Remove( Index aIndex );
void* Get( Index aIndex ) const;
Index GetIndexOf( void const* p ) const;
Index FirstIndex() const;
Index LastIndex() const;
Index NextIndex( Index aCurrIndex ) const;
};
template<typename T>
class SAL_WARN_UNUSED UniqueIndex : private UniqueIndexImpl
{
public:
using UniqueIndexImpl::Index;
using UniqueIndexImpl::IndexNotFound;
UniqueIndex<T>( Index _nStartIndex = 0 ) : UniqueIndexImpl(_nStartIndex) {}
Index Insert(T* p) { return UniqueIndexImpl::Insert(p); }
T* Get(Index idx) const { return static_cast<T*>( UniqueIndexImpl::Get(idx) ); }
T* Remove(Index idx) { return static_cast<T*>( UniqueIndexImpl::Remove(idx) ); }
Index GetIndexOf(T* p) const { return UniqueIndexImpl::GetIndexOf(p); }
using UniqueIndexImpl::FirstIndex;
using UniqueIndexImpl::LastIndex;
using UniqueIndexImpl::NextIndex;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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