diff options
Diffstat (limited to 'sw/inc/stringhash.hxx')
-rw-r--r-- | sw/inc/stringhash.hxx | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/sw/inc/stringhash.hxx b/sw/inc/stringhash.hxx deleted file mode 100644 index 51efab426b8a..000000000000 --- a/sw/inc/stringhash.hxx +++ /dev/null @@ -1,98 +0,0 @@ -/* -*- 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 _STRINGHASH_HXX -#define _STRINGHASH_HXX - -#include <tools/string.hxx> - -struct StringEq -{ - sal_Bool operator() ( const String *r1, - const String *r2) const - { - return r1->Equals(*r2); - } -}; - -struct StringEqRef -{ - sal_Bool operator() (const String &r1, const String &r2) const - { - return r1.Equals(r2); - } -}; - -struct StringHash -{ - size_t operator() ( const String *rString) const - { - sal_Int32 h, nLen; - h = nLen = rString->Len(); - const sal_Unicode *pStr = rString->GetBuffer(); - - if ( nLen < 16 ) - while ( nLen-- > 0 ) - h = (h*37) + *(pStr++); - else - { - sal_Int32 nSkip; - const sal_Unicode* pEndStr = pStr+nLen-5; - - /* only sample some characters */ - /* the first 3, some characters between, and the last 5 */ - h = (h*39) + *(pStr++); - h = (h*39) + *(pStr++); - h = (h*39) + *(pStr++); - - nSkip = nLen / nLen < 32 ? 4 : 8; - nLen -= 8; - while ( nLen > 0 ) - { - h = (h*39) + ( *pStr ); - pStr += nSkip; - nLen -= nSkip; - } - - h = (h*39) + *(pEndStr++); - h = (h*39) + *(pEndStr++); - h = (h*39) + *(pEndStr++); - h = (h*39) + *(pEndStr++); - h = (h*39) + *(pEndStr++); - } - return h; - } - - size_t operator() (const String & rStr) const - { - return (*this)(&rStr); - } -}; - -struct StringHashRef -{ - size_t operator () (const String &rStr) const - { - StringHash aStrHash; - - return aStrHash(&rStr); - } -}; -#endif // _STRINGHASH_HXX - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |