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/*************************************************************************
 *
 *  $RCSfile: SwStyleNameMapper.hxx,v $
 *
 *  $Revision: 1.1 $
 *
 *  last change: $Author: mtg $ $Date: 2001-07-19 18:02:54 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library 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 for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): Martin Gallwey ( gallwey@sun.com )
 *
 *
 ************************************************************************/
#ifndef _SWSTYLENAMEMAPPER_HXX
#define _SWSTYLENAMEMAPPER_HXX

#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif
#ifndef _GETPOOLIDFROMNAMEENUM_HXX
#include <SwGetPoolIdFromName.hxx>
#endif
#ifndef _STRING_HXX
#include <tools/string.hxx>
#endif
#include <hash_map>


/* This class holds all data about the names of styles used in the user
 * interface (UI names...these are localised into different languages).
 * These UI names are loaded from the resource files on demand.
 *
 * It also holds all information about the 'Programmatic' names of styles
 * which remain static (and are hardcoded in the corresponding cxx file)
 * for all languages.
 *
 * This class also provides static functions which can be used for the
 * following conversions:
 *
 * 1. Programmatic Name -> UI Name
 * 2. Programmatic Name -> Pool ID
 * 3. UI Name -> Programmatic Name
 * 4. UI Name -> Pool ID
 * 5. Pool ID -> UI Name
 * 6. Pool ID -> Programmatic Name
 *
 * The relationship of these tables to the style families is as follows:
 *
 * 1. Paragraph contains the Text, Lists, Extra, Register, Doc and HTML
 *    name arrays.
 * 2. Character contains the ChrFmt and HTMLChrFmt name arrays.
 * 3. Page contains the PageDesc name array.
 * 4. Frame contains the FrmFmt name array.
 * 5. Numbering Rule contains the NumRule name array.
 */

class SvStringsDtor;
class String;
struct SwTableEntry;
struct StringEq
{
    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;
    }
};


typedef ::std::hash_map < const String*, sal_uInt16, StringHash, StringEq > NameToIdHash;

class SwStyleNameMapper
{
    friend void _InitCore();
    friend void _FinitCore();

protected:
    // UI Name tables
    static SvStringsDtor    *pTextUINameArray,
                            *pListsUINameArray,
                            *pExtraUINameArray,
                            *pRegisterUINameArray,
                            *pDocUINameArray,
                            *pHTMLUINameArray,
                            *pFrmFmtUINameArray,
                            *pChrFmtUINameArray,
                            *pHTMLChrFmtUINameArray,
                            *pPageDescUINameArray,
                            *pNumRuleUINameArray,
    // Programmatic Name tables
                            *pTextProgNameArray,
                            *pListsProgNameArray,
                            *pExtraProgNameArray,
                            *pRegisterProgNameArray,
                            *pDocProgNameArray,
                            *pHTMLProgNameArray,
                            *pFrmFmtProgNameArray,
                            *pChrFmtProgNameArray,
                            *pHTMLChrFmtProgNameArray,
                            *pPageDescProgNameArray,
                            *pNumRuleProgNameArray;

    static NameToIdHash     *pParaUIMap,
                            *pCharUIMap,
                            *pPageUIMap,
                            *pFrameUIMap,
                            *pNumRuleUIMap,

                            *pParaProgMap,
                            *pCharProgMap,
                            *pPageProgMap,
                            *pFrameProgMap,
                            *pNumRuleProgMap;

    static SvStringsDtor* NewUINameArray( SvStringsDtor*&,
                                      sal_uInt16 nStt,
                                      sal_uInt16 nEnd );

    static SvStringsDtor* NewProgNameArray( SvStringsDtor*&,
                                          const SwTableEntry *pTable,
                                          sal_uInt8 nCount);

    static String& getNameFromId ( sal_uInt16 nId, String &rName, sal_Bool bProgName );
    static const String& getNameFromId ( sal_uInt16 nId, const String &rName, sal_Bool bProgName );
    static const NameToIdHash& getHashTable ( SwGetPoolIdFromName, sal_Bool bProgName );
public:
    // This gets the UI Name from the programmatic name
    static       String& GetUIName ( String& rFillName, SwGetPoolIdFromName );
    static const String& GetUIName ( const String& rName, SwGetPoolIdFromName );
    // This gets the UI Name from the Pool ID
    static       String& GetUIName ( sal_uInt16 nId, String& rFillName );
    static const String& GetUIName ( sal_uInt16 nId, const String& rName );

    // Get the programmatic Name from the UI name
    static       String& GetProgName( String& rName, SwGetPoolIdFromName );
    static const String& GetProgName( const String& rName, SwGetPoolIdFromName );
    // This gets the programmatic Name from the Pool ID
    static       String& GetProgName( sal_uInt16 nId, String& rFillName );
    static const String& GetProgName( sal_uInt16 nId, const String& rName );

    // This gets the PoolId from the UI Name
    static sal_uInt16 GetPoolIdFromUIName( const String& rName, SwGetPoolIdFromName );
    // Get the Pool ID from the programmatic name
    static sal_uInt16 GetPoolIdFromProgName( const String& rName, SwGetPoolIdFromName );

    static const SvStringsDtor& GetTextUINameArray();
    static const SvStringsDtor& GetListsUINameArray();
    static const SvStringsDtor& GetExtraUINameArray();
    static const SvStringsDtor& GetRegisterUINameArray();
    static const SvStringsDtor& GetDocUINameArray();
    static const SvStringsDtor& GetHTMLUINameArray();
    static const SvStringsDtor& GetFrmFmtUINameArray();
    static const SvStringsDtor& GetChrFmtUINameArray();
    static const SvStringsDtor& GetHTMLChrFmtUINameArray();
    static const SvStringsDtor& GetPageDescUINameArray();
    static const SvStringsDtor& GetNumRuleUINameArray();

    static const SvStringsDtor& GetTextProgNameArray();
    static const SvStringsDtor& GetListsProgNameArray();
    static const SvStringsDtor& GetExtraProgNameArray();
    static const SvStringsDtor& GetRegisterProgNameArray();
    static const SvStringsDtor& GetDocProgNameArray();
    static const SvStringsDtor& GetHTMLProgNameArray();
    static const SvStringsDtor& GetFrmFmtProgNameArray();
    static const SvStringsDtor& GetChrFmtProgNameArray();
    static const SvStringsDtor& GetHTMLChrFmtProgNameArray();
    static const SvStringsDtor& GetPageDescProgNameArray();
    static const SvStringsDtor& GetNumRuleProgNameArray();
};
#endif // _NAME_MAPPER_HXX