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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil -*- */
//this is a shameless rip from sortedarray.hxx but changed to hash_set
#ifndef WW_HASH_WRAP_HXX
#define WW_HASH_WRAP_HXX
#include <hash_set>
#include <tools/debug.hxx>
#include <errhdl.hxx> // ASSERT()
//simple wrapper around hash_set to behave like sorted array
namespace ww
{
/** simple template that manages a hash
@author
<a href="mailto:mikeleib@openoffice.org">Michael Leibowitz</a>
*/
template<class C, class HashFcn = std::hash<C> > class WrappedHash
{
private:
std::hash_set<C, HashFcn> mHashSet;
//No copying
WrappedHash(const WrappedHash&);
WrappedHash& operator=(const WrappedHash&);
public:
//Find an entry, return its address if found and 0 if not
const C* search(C aSrch) const
{
typename std::hash_set<C, HashFcn>::const_iterator it;
it= mHashSet.find(aSrch);
if (it != mHashSet.end())
return &(*it);
else
return 0;
}
WrappedHash(const C *pWwSprmTab, const size_t nNoElems)
{
ASSERT(nNoElems && pWwSprmTab, "WW8: empty Array: Don't do that");
const C *pIter = pWwSprmTab;
const C *pEnd = pWwSprmTab + nNoElems;
while (pIter < pEnd)
{
mHashSet.insert(*pIter);
pIter++;
}
#if OSL_DEBUG_LEVEL > 1
bool bBroken=false;
rtl::OUString sError;
pIter = pWwSprmTab;
const C *pBeforeEnd = pWwSprmTab + nNoElems - 1;
while (pIter < pBeforeEnd)
{
if (*pIter == *(pIter+1))
{
if (!bBroken)
{
sError = rtl::OUString::createFromAscii(
"WW8: Duplicate in list, almost certainly don't "
"want that!\n"
"(You will not see this message again unless you "
"restart)\n"
"Extra entries are...\n");
bBroken=true;
}
size_t nSize = sizeof(C);
const sal_uInt8 *pHack =
reinterpret_cast<const sal_uInt8 *>(&(*pIter));
for (size_t i=0; i < nSize; ++i)
{
sError += rtl::OUString::valueOf(
static_cast<sal_Int32>(pHack[i]), 16);
sError += rtl::OUString::valueOf(sal_Unicode(' '));
}
sError += rtl::OUString::valueOf(sal_Unicode('\n'));
while (*pIter == *(pIter+1) && pIter < pBeforeEnd)
++pIter;
}
else
++pIter;
}
if (bBroken)
{
DBG_ERROR(rtl::OUStringToOString(sError, RTL_TEXTENCODING_ASCII_US));
}
#endif
}
};
}
#endif
/* vi:set tabstop=4 shiftwidth=4 expandtab: */
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