xistring.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
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#pragma once

#include <rtl/ustring.hxx>
#include "xlstring.hxx"

// Byte/Unicode strings =======================================================

class XclImpStream;

class XclImpString
{
public:
    explicit            XclImpString();
    explicit            XclImpString( const OUString& rString );

    void                Read( XclImpStream& rStrm, XclStrFlags nFlags = XclStrFlags::NONE );

    void         SetText( const OUString& rText ) { maString = rText; }
    void         SetFormats( const XclFormatRunVec& rFormats ) { maFormats = rFormats; }
    void         ReadFormats( XclImpStream& rStrm ) { ReadFormats( rStrm, maFormats ); }
    void         ReadObjFormats( XclImpStream& rStrm, sal_uInt16 nFormatSize ) { ReadObjFormats( rStrm, maFormats, nFormatSize ); }

    bool         IsEmpty() const { return maString.isEmpty(); }
    const OUString& GetText() const { return maString; }

    bool         IsRich() const { return !maFormats.empty(); }
    const XclFormatRunVec& GetFormats() const { return maFormats; }

    static void         AppendFormat( XclFormatRunVec& rFormats, sal_uInt16 nChar, sal_uInt16 nFontIdx );
    static void         ReadFormats( XclImpStream& rStrm, XclFormatRunVec& rFormats );
    static void         ReadFormats( XclImpStream& rStrm, XclFormatRunVec& rFormats, sal_uInt16 nRunCount );
    static void         ReadObjFormats( XclImpStream& rStrm, XclFormatRunVec& rFormats, sal_uInt16 nFormatSize );

private:
    OUString            maString;       
    XclFormatRunVec     maFormats;      
};

// String iterator ============================================================

class XclImpStringIterator
{
public:
    explicit            XclImpStringIterator( const XclImpString& rString );

    bool         Is() const { return mnTextBeg < mrText.getLength(); }
    size_t       GetPortionIndex() const { return mnPortion; }
    OUString            GetPortionText() const;
    sal_uInt16          GetPortionFont() const;

    XclImpStringIterator& operator++();

private:
    const OUString&     mrText;         
    const XclFormatRunVec& mrFormats;   
    size_t              mnPortion;      
    sal_Int32           mnTextBeg;      
    sal_Int32           mnTextEnd;      
    size_t              mnFormatsBeg;   
    size_t              mnFormatsEnd;   
};

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