dif.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * 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
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 *   ownership. The ASF licenses this file to you under the Apache
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 */
 
#pragma once
 
#include <map>
#include <memory>
#include <string_view>
#include <vector>
 
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
 
#include <types.hxx>
 
class SvStream;
class SvNumberFormatter;
class ScDocument;
 
extern const std::u16string_view pKeyTABLE;
extern const std::u16string_view pKeyVECTORS;
extern const std::u16string_view pKeyTUPLES;
extern const std::u16string_view pKeyDATA;
extern const std::u16string_view pKeyBOT;
extern const std::u16string_view pKeyEOD;
 
enum TOPIC
{
    T_UNKNOWN,
    T_TABLE, T_VECTORS, T_TUPLES, T_DATA, T_LABEL, T_COMMENT, T_SIZE,
    T_PERIODICITY, T_MAJORSTART, T_MINORSTART, T_TRUELENGTH, T_UINITS,
    T_DISPLAYUNITS,
    T_END
};
 
enum DATASET { D_BOT, D_EOD, D_NUMERIC, D_STRING, D_UNKNOWN, D_SYNT_ERROR };
 
class DifParser
{
public:
    OUStringBuffer      m_aData;
    double              fVal;
    sal_uInt32          nVector;
    sal_uInt32          nVal;
    sal_uInt32          nNumFormat;
private:
    SvNumberFormatter*  pNumFormatter;
    SvStream&           rIn;
    OUString       aLookAheadLine;
 
    bool                ReadNextLine( OUString& rStr );
    bool                LookAhead();
    DATASET             GetNumberDataset( const sal_Unicode* pPossibleNumericData );
    static inline bool  IsBOT( const sal_Unicode* pRef );
    static inline bool  IsEOD( const sal_Unicode* pRef );
    static inline bool  Is1_0( const sal_Unicode* pRef );
public:
                        DifParser( SvStream&, const ScDocument&, rtl_TextEncoding );
 
    TOPIC               GetNextTopic();
 
    DATASET             GetNextDataset();
 
    static const sal_Unicode* ScanIntVal( const sal_Unicode* pStart, sal_uInt32& rRet );
 
    static inline bool  IsNumber( const sal_Unicode cChar );
 
    static inline bool  IsV( const sal_Unicode* pRef );
};
 
inline bool DifParser::IsBOT( const sal_Unicode* pRef )
{
    return  pRef == pKeyBOT;
}
 
inline bool DifParser::IsEOD( const sal_Unicode* pRef )
{
    return  pRef == pKeyEOD;
}
 
inline bool DifParser::Is1_0( const sal_Unicode* pRef )
{
    return  pRef == std::u16string_view(u"1,0");
}
 
inline bool DifParser::IsV( const sal_Unicode* pRef )
{
    return  pRef == std::u16string_view(u"V");
}
 
inline bool DifParser::IsNumber( const sal_Unicode cChar )
{
    return ( cChar >= '0' && cChar <= '9' );
}
 
class DifColumn
{
    friend class DifAttrCache;
 
    struct ENTRY
    {
        sal_uInt32 nNumFormat;
        SCROW nStart;
        SCROW nEnd;
    };
 
    ENTRY *mpCurrent;
    std::vector<ENTRY> maEntries;
 
    DifColumn();
 
    void SetNumFormat( const ScDocument* pDoc, SCROW nRow, const sal_uInt32 nNumFormat );
 
    void NewEntry( const SCROW nPos, const sal_uInt32 nNumFormat );
 
    void Apply( ScDocument &rDoc, const SCCOL nCol, const SCTAB nTab );
};
 
class DifAttrCache
{
public:
 
    DifAttrCache();
 
    ~DifAttrCache();
 
    void SetNumFormat( const ScDocument* pDoc, const SCCOL nCol, const SCROW nRow, const sal_uInt32 nNumFormat );
 
    void Apply( ScDocument&, SCTAB nTab );
 
private:
 
    std::map<SCCOL, std::unique_ptr<DifColumn>> maColMap;
};
 
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