/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * 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

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .

 */

#include <imoptdlg.hxx>

#include <asciiopt.hxx>

#include <comphelper/string.hxx>

#include <unotools/charclass.hxx>

#include <osl/thread.h>

#include <o3tl/string_view.hxx>

#include <global.hxx>

const char pStrFix[] = "FIX";

//  The option string can no longer contain a semicolon (because of pick list),

//  therefore, starting with version 336 comma instead

ScImportOptions::ScImportOptions( std::u16string_view rStr )

{

    // Use the same string format as ScAsciiOptions,

    // because the import options string is passed here when a CSV file is loaded and saved again.

    // The old format is still supported because it might be used in macros.

    bFixedWidth = false;

    nFieldSepCode = 0;

    nTextSepCode = 0;

    eEncoding = RTL_TEXTENCODING_DONTKNOW;

    bSaveAsShown = true;    // "true" if not in string (after CSV import)

    bQuoteAllText = false;

    bSaveNumberAsSuch = true;

    bSaveFormulas = false;

    bRemoveSpace = false;

    nSheetToExport = 0;

    bEvaluateFormulas = true;   // true if not present at all, for compatibility

    bIncludeBOM = false;

    nEndianness = SvStreamEndian::LITTLE;

    sal_Int32 nTokenCount = comphelper::string::getTokenCount(rStr, ',');

    if ( nTokenCount < 3 )

        return;

    sal_Int32 nIdx{ 0 };

    // first 3 tokens: common

    OUString aToken( o3tl::getToken(rStr, 0, ',', nIdx ) );

    if( aToken.equalsIgnoreAsciiCase( pStrFix ) )

        bFixedWidth = true;

    else

        nFieldSepCode = ScAsciiOptions::GetWeightedFieldSep( aToken, true);

    nTextSepCode  = static_cast<sal_Unicode>(o3tl::toInt32(o3tl::getToken(rStr, 0, ',', nIdx)));

    aStrFont      = o3tl::getToken(rStr, 0, ',', nIdx);

    eEncoding     = ScGlobal::GetEncodingValue(aStrFont);

    if ( nTokenCount == 4 )

    {

        // compatibility with old options string: "Save as shown" as 4th token, numeric

        bSaveAsShown = o3tl::toInt32(o3tl::getToken(rStr, 0, ',', nIdx)) != 0;

        bQuoteAllText = true;   // use old default then

    }

    else

    {

        // look at the same positions as in ScAsciiOptions

        if ( nTokenCount >= 7 )

            bQuoteAllText = o3tl::getToken(rStr, 3, ',', nIdx) == u"true";  // 7th token

        if ( nTokenCount >= 8 )

            bSaveNumberAsSuch = o3tl::getToken(rStr, 0, ',', nIdx) == u"true";

        if ( nTokenCount >= 9 )

            bSaveAsShown = o3tl::getToken(rStr, 0, ',', nIdx) == u"true";

        if ( nTokenCount >= 10 )

            bSaveFormulas = o3tl::getToken(rStr, 0, ',', nIdx) == u"true";

        if ( nTokenCount >= 11 )

            bRemoveSpace = o3tl::getToken(rStr, 0, ',', nIdx) == u"true";

        if ( nTokenCount >= 12 )

        {

            const OUString aTok(o3tl::getToken(rStr,0, ',', nIdx));

            if (aTok == "-1")

                nSheetToExport = -1;    // all

            else if (aTok.isEmpty() || CharClass::isAsciiNumeric(aTok))

                nSheetToExport = aTok.toInt32();

            else

                nSheetToExport = -23;   // invalid, force error

        }

        if ( nTokenCount >= 13 )

            // If present, defaults to "false".

            bEvaluateFormulas = o3tl::getToken(rStr, 0, ',', nIdx) == u"true";

        if (nTokenCount >= 14)

            bIncludeBOM = o3tl::getToken(rStr, 0, ',', nIdx) == u"true";

        if (nTokenCount >= 15)

            nEndianness = static_cast<SvStreamEndian>(o3tl::toInt32(o3tl::getToken(rStr, 0, ',', nIdx)));

    }

}

OUString ScImportOptions::BuildString() const

{

    OUString aResult;

    if( bFixedWidth )

        aResult += pStrFix;

    else

        aResult += OUString::number(nFieldSepCode);

    aResult += "," + OUString::number(nTextSepCode) + "," + aStrFont +

                                                 // use the same string format as ScAsciiOptions:

            ",1,,0," +                           // first row, no column info, default language

            OUString::boolean( bQuoteAllText ) + // same as "quoted field as text" in ScAsciiOptions

            "," +

            OUString::boolean( bSaveNumberAsSuch ) + // "save number as such": not in ScAsciiOptions

            "," +

            OUString::boolean( bSaveAsShown ) +  // "save as shown": not in ScAsciiOptions

            "," +

            OUString::boolean( bSaveFormulas ) +  // "save formulas": not in ScAsciiOptions

            "," +

            OUString::boolean( bRemoveSpace ) +  // same as "Remove space" in ScAsciiOptions

            "," +

            OUString::number(nSheetToExport) +  // Only available for command line --convert-to

            "," +

            OUString::boolean( bEvaluateFormulas ) +  // same as "Evaluate formulas" in ScAsciiOptions

            "," +

            OUString::boolean(bIncludeBOM) +  // same as "Include BOM" in ScAsciiOptions

            "," +

            OUString::number( static_cast<sal_uInt16>(nEndianness) );  // same as "Endianness" in ScAsciiOptions

    return aResult;

}

void ScImportOptions::SetTextEncoding( rtl_TextEncoding nEnc )

{

    eEncoding = (nEnc == RTL_TEXTENCODING_DONTKNOW ?

        osl_getThreadTextEncoding() : nEnc);

    aStrFont = ScGlobal::GetEncodingString( nEnc );

}

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