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/*************************************************************************
 *
 * 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 SC_IMPEX_HXX
#define SC_IMPEX_HXX

#include <osl/endian.h>
#include <sot/exchange.hxx>
#include "global.hxx"
#include "address.hxx"

class ScDocShell;
class ScDocument;
class SvStream;
class SfxMedium;
class ScAsciiOptions;

struct ScExportTextOptions
{
    enum NewlineConversion { ToSystem, ToSpace, None };
    ScExportTextOptions( NewlineConversion eNewlineConversion = ToSystem, sal_Unicode cSeparatorConvertTo = 0, bool bAddQuotes = false ) : 
        meNewlineConversion( eNewlineConversion ), mcSeparatorConvertTo( cSeparatorConvertTo ), mbAddQuotes( bAddQuotes ) {}

    NewlineConversion meNewlineConversion;
    sal_Unicode mcSeparatorConvertTo;   // Convert separator to this character
    bool mbAddQuotes;
};

class ScImportExport
{
    ScDocShell* pDocSh;
    ScDocument* pDoc;
    ScDocument* pUndoDoc;
    ScRange     aRange;
    String		aStreamPath;
    String      aNonConvertibleChars;
    ULONG		nSizeLimit;
    sal_Unicode	cSep;					// Separator
    sal_Unicode	cStr;					// String Delimiter
    BOOL		bFormulas;				// Formeln im Text?
    BOOL		bIncludeFiltered;		// include filtered rows? (default true)
    BOOL		bAll;					// keine Selektion
    BOOL		bSingle;				// Einfachselektion
    BOOL		bUndo;					// Mit Undo?
    BOOL		bOverflow;				// zuviele Zeilen/Spalten
    bool        mbApi;
    ScExportTextOptions mExportTextOptions;

    ScAsciiOptions*	pExtOptions;		// erweiterte Optionen

    BOOL StartPaste();					// Protect-Check, Undo einrichten
    void EndPaste();					// Undo/Redo-Aktionen, Repaint
    BOOL Doc2Text( SvStream& );
    BOOL Text2Doc( SvStream& );
    BOOL Doc2Sylk( SvStream& );
    BOOL Sylk2Doc( SvStream& );
    BOOL Doc2HTML( SvStream&, const String& );
    BOOL Doc2RTF( SvStream& );
    BOOL Doc2Dif( SvStream& );
    BOOL Dif2Doc( SvStream& );
    BOOL ExtText2Doc( SvStream& );		// mit pExtOptions
    BOOL RTF2Doc( SvStream&, const String& rBaseURL );
    BOOL HTML2Doc( SvStream&, const String& rBaseURL );

public:
    ScImportExport( ScDocument* );					// Gesamtdokument
    ScImportExport( ScDocument*, const String& );	// Bereichs/Zellangabe
    ScImportExport( ScDocument*, const ScAddress& );
    ScImportExport( ScDocument*, const ScRange& );
   ~ScImportExport();

    void SetExtOptions( const ScAsciiOptions& rOpt );

    BOOL IsDoubleRef() const { return BOOL( !( bAll || bSingle ) ); }
    BOOL IsSingleRef() const { return bSingle; }
    BOOL IsNoRef() const	 { return bAll;    }
    BOOL IsRef() const	 	 { return BOOL( !bAll ); }

    const ScRange& GetRange() const { return aRange; }

    BOOL IsUndo() const		 { return bUndo; }
    void SetUndo( BOOL b )	 { bUndo = b;	 }

    static BOOL  IsFormatSupported( ULONG nFormat );
    static const sal_Unicode* ScanNextFieldFromString( const sal_Unicode* p,
            String& rField, sal_Unicode cStr, const sal_Unicode* pSeps, bool bMergeSeps, bool& rbIsQuoted );
    static	void	WriteUnicodeOrByteString( SvStream& rStrm, const String& rString, BOOL bZero = FALSE );
    static	void	WriteUnicodeOrByteEndl( SvStream& rStrm );
    static	inline	BOOL	IsEndianSwap( const SvStream& rStrm );

    //! only if stream is only used in own (!) memory
    static  inline  void    SetNoEndianSwap( SvStream& rStrm );

    sal_Unicode GetSeparator() const { return cSep; }
    void SetSeparator( sal_Unicode c ) { cSep = c; }
    sal_Unicode GetDelimiter() const { return cStr; }
    void SetDelimiter( sal_Unicode c ) { cStr = c; }
    BOOL IsFormulas() const { return bFormulas; }
    void SetFormulas( BOOL b ) { bFormulas = b; }
    BOOL IsIncludeFiltered() const { return bIncludeFiltered; }
    void SetIncludeFiltered( BOOL b ) { bIncludeFiltered = b; }

    void SetSizeLimit( ULONG nNew ) { nSizeLimit = nNew; }	// momentan nur fuer Ascii

    void			SetStreamPath( const String& rPath ) { aStreamPath = rPath; }
    const String&	GetStreamPath() const { return aStreamPath; }

    BOOL ImportString( const ::rtl::OUString&, ULONG=FORMAT_STRING );
    BOOL ExportString( ::rtl::OUString&, ULONG=FORMAT_STRING );
    BOOL ExportByteString( ByteString&, rtl_TextEncoding, ULONG=FORMAT_STRING );

    BOOL ImportStream( SvStream&, const String& rBaseURL, ULONG=FORMAT_STRING );
    BOOL ExportStream( SvStream&, const String& rBaseURL, ULONG=FORMAT_STRING );

    BOOL ImportData( const String& rMimeType,
                     const ::com::sun::star::uno::Any & rValue );
    BOOL ExportData( const String& rMimeType,
                     ::com::sun::star::uno::Any & rValue  );

    BOOL IsOverflow() const	{ return bOverflow; }		// nach dem Importieren

    const String& GetNonConvertibleChars() const { return aNonConvertibleChars; }

    bool IsApi() const { return mbApi; }
    void SetApi( bool bApi ) { mbApi = bApi; }
    const ScExportTextOptions& GetExportTextOptions() { return mExportTextOptions; }
    void SetExportTextOptions( const ScExportTextOptions& options ) { mExportTextOptions = options; }
};


// static
inline BOOL ScImportExport::IsEndianSwap( const SvStream& rStrm )
{
#ifdef OSL_BIGENDIAN
    return rStrm.GetNumberFormatInt() != NUMBERFORMAT_INT_BIGENDIAN;
#else
    return rStrm.GetNumberFormatInt() != NUMBERFORMAT_INT_LITTLEENDIAN;
#endif
}

// static
inline void ScImportExport::SetNoEndianSwap( SvStream& rStrm )
{
#ifdef OSL_BIGENDIAN
    rStrm.SetNumberFormatInt( NUMBERFORMAT_INT_BIGENDIAN );
#else
    rStrm.SetNumberFormatInt( NUMBERFORMAT_INT_LITTLEENDIAN );
#endif
}


// Helper class for importing clipboard strings as streams.
class ScImportStringStream : public SvMemoryStream
{
public:
    ScImportStringStream( const ::rtl::OUString rStr )
        : SvMemoryStream( (void*)rStr.getStr(),
                rStr.getLength() * sizeof(sal_Unicode), STREAM_READ)
    {
        SetStreamCharSet( RTL_TEXTENCODING_UNICODE );
        SetEndianSwap( FALSE );
    }
};


#endif