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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: xdictionary.hxx,v $
* $Revision: 1.7.24.1 $
*
* 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.
*
************************************************************************/
#ifndef _XDICTIONARY_H_
#define _XDICTIONARY_H_
#include <sal/types.h>
#include <osl/module.h>
#include <com/sun/star/i18n/Boundary.hpp>
namespace com { namespace sun { namespace star { namespace i18n {
// Whether to use cell boundary code, currently unused but prepared.
#define USE_CELL_BOUNDARY_CODE 0
#define CACHE_MAX 32 // max cache structure number
#define DEFAULT_SIZE 256 // for boundary size, to avoid alloc and release memory
// cache structure.
struct WordBreakCache {
sal_Int32 length; // contents length saved here.
sal_Unicode *contents; // seperated segment contents.
sal_Int32* wordboundary; // word boundaries in segments.
sal_Int32 size; // size of wordboundary
WordBreakCache();
sal_Bool equals(const sal_Unicode *str, Boundary& boundary); // checking cached string
};
class xdictionary
{
private:
const sal_uInt8 * existMark;
const sal_Int16 * index1;
const sal_Int32 * index2;
const sal_Int32 * lenArray;
const sal_Unicode* dataArea;
oslModule hModule;
Boundary boundary;
sal_Bool japaneseWordBreak;
#if USE_CELL_BOUNDARY_CODE
// For CTL breakiterator, where the word boundary should not be inside cell.
sal_Bool useCellBoundary;
sal_Int32* cellBoundary;
#endif
public:
xdictionary(const sal_Char *lang);
~xdictionary();
Boundary nextWord( const rtl::OUString& rText, sal_Int32 nPos, sal_Int16 wordType);
Boundary previousWord( const rtl::OUString& rText, sal_Int32 nPos, sal_Int16 wordType);
Boundary getWordBoundary( const rtl::OUString& rText, sal_Int32 nPos, sal_Int16 wordType, sal_Bool bDirection );
void setJapaneseWordBreak();
#if USE_CELL_BOUNDARY_CODE
void setCellBoundary(sal_Int32* cellArray);
#endif
private:
WordBreakCache cache[CACHE_MAX];
sal_Bool seekSegment(const rtl::OUString& rText, sal_Int32 pos, Boundary& boundary);
WordBreakCache& getCache(const sal_Unicode *text, Boundary& boundary);
sal_Bool exists(const sal_uInt32 u);
sal_Int32 getLongestMatch(const sal_Unicode *text, sal_Int32 len);
};
} } } }
#endif
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