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path: root/writerfilter/source/doctok/WW8PieceTable.hxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * 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.
 *
 ************************************************************************/

#ifndef INCLUDED_WW8_PIECE_TABLE_HXX
#define INCLUDED_WW8_PIECE_TABLE_HXX

#include <sal/types.h>
#include <doctok/WW8Document.hxx>

#include <boost/shared_ptr.hpp>
#include <iostream>

namespace writerfilter {
namespace doctok {

using namespace ::std;

struct Cp;
struct Fc;
class CpAndFc;

/**
   The piece table of a Word document.

   The piece table associates character positions (CP) and File
   character positions (FC). In a FC based view the piece table
   defines intervals of FCs that contain consecutive text.

   CPs and FCs can be complex, i.e. the associated text is stored in
   bytes. Otherwise the text encoding is UTF-16.
 */
class WW8PieceTable
{
public:
    virtual ~WW8PieceTable() {}
    /**
       Shared pointer to piece table
     */
    typedef boost::shared_ptr<WW8PieceTable> Pointer_t;

    /**
       Convert CP to FC.

       @param aCpIn    CP to convert

       @return FC associated with CP
     */
    virtual Fc cp2fc(const Cp & aCpIn) const = 0;

    /**
       Convert FC to CP.

       @param aFcIn    FC to convert

       @return CP associated with FC
     */
    virtual Cp fc2cp(const Fc & aFcIn) const = 0;

    /**
       Check if CP is complex.

       @param  aCp    CP to check
       @retval true   CP is complex
       @retval false  else
     */
    virtual bool isComplex(const Cp & aCp) const = 0;

    /**
       Check if FC is complex.

       @param  aFc    FC to check
       @retval true   FC is complex
       @retval false  else
     */
    virtual bool isComplex(const Fc & aFc) const = 0;

    /**
       Return number of entries.
     */
    virtual sal_uInt32 getCount() const = 0;

    /**
       Return first CP.
     */
    virtual Cp getFirstCp() const = 0;

    /**
       Return first FC.
    */
    virtual Fc getFirstFc() const = 0;

    /**
       Return last CP.
    */
    virtual Cp getLastCp() const = 0;

    /**
        Return last FC.
    */
    virtual Fc getLastFc() const = 0;

    /**
       Return CP at index.

       @param  nIndex    index of CP to return
     */
    virtual Cp getCp(sal_uInt32 nIndex) const = 0;

    /**
       Return FC at index.

       @param nIndex     index of FC to return
    */
    virtual Fc getFc(sal_uInt32 nIndex) const = 0;

    /**
        Create CpAndFc from Cp.

        @param rCp   the Cp

        @return CpAndFc containing rCp and corresponding Fc
    */
    virtual CpAndFc createCpAndFc(const Cp & rCp, PropertyType eType) const = 0;

    /**
        Create CpAndFc from Fc.

        @param rFc   the Fc

        @return CpAndFc containing rFc and corresponding Cp
    */
    virtual CpAndFc createCpAndFc(const Fc & rFc, PropertyType eType) const = 0;

    /**
       Dump piece table.

       @param o        stream to dump to
    */
    virtual void dump(ostream & o) const = 0;
};

/**
   Dump piece table.

   @param o             stream to dump to
   @param rPieceTable   piece table to dump
*/
ostream & operator << (ostream & o, const WW8PieceTable & rPieceTable);
}}

#endif // INCLUDED_WW8_PIECE_TABLE_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */