/* -*- 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 <sal/config.h>

#include <string_view>

#include "fonthdl.hxx"

#include <sax/tools/converter.hxx>

#include <xmloff/xmltoken.hxx>

#include <xmloff/xmluconv.hxx>

#include <xmloff/xmlement.hxx>

#include <rtl/ustrbuf.hxx>

#include <com/sun/star/uno/Any.hxx>

#include <tools/fontenum.hxx>

using namespace ::com::sun::star;

using namespace ::xmloff::token;

static const SvXMLEnumMapEntry<FontFamily>* lcl_getFontFamilyGenericMapping()

{

    static SvXMLEnumMapEntry<FontFamily> const aFontFamilyGenericMapping[] =

    {

        { XML_DECORATIVE,       FAMILY_DECORATIVE },

        { XML_MODERN,           FAMILY_MODERN   },

        { XML_ROMAN,            FAMILY_ROMAN    },

        { XML_SCRIPT,           FAMILY_SCRIPT   },

        { XML_SWISS,            FAMILY_SWISS    },

        { XML_SYSTEM,           FAMILY_SYSTEM   },

        { XML_TOKEN_INVALID,    FontFamily(0)   }

    };

    return aFontFamilyGenericMapping;

}

SvXMLEnumMapEntry<FontPitch> const aFontPitchMapping[] =

{

    { XML_FIXED,            PITCH_FIXED     },

    { XML_VARIABLE,         PITCH_VARIABLE  },

    { XML_TOKEN_INVALID,    FontPitch(0)    }

};

XMLFontFamilyNamePropHdl::~XMLFontFamilyNamePropHdl()

{

    // Nothing to do

}

bool XMLFontFamilyNamePropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const

{

    bool bRet = false;

    OUStringBuffer sValue;

    sal_Int32 nPos = 0;

    do

    {

        sal_Int32 nFirst = nPos;

        nPos = ::sax::Converter::indexOfComma( rStrImpValue, nPos );

        sal_Int32 nLast = (-1 == nPos ? rStrImpValue.getLength() - 1 : nPos - 1);

        // skip trailing blanks

        while( nLast > nFirst && ' ' == rStrImpValue[nLast] )

            nLast--;

        // skip leading blanks

        while(nFirst <= nLast && ' ' == rStrImpValue[nFirst])

            nFirst++;

        // remove quotes

        sal_Unicode c = nFirst > nLast ? 0 : rStrImpValue[nFirst];

        if( nFirst < nLast && ('\'' == c || '\"' == c) && rStrImpValue[nLast] == c )

        {

            nFirst++;

            nLast--;

        }

        if( nFirst <= nLast )

        {

            if( !sValue.isEmpty() )

                sValue.append(';');

            sValue.append(rStrImpValue.subView(nFirst, nLast-nFirst+1));

        }

        if( -1 != nPos )

            nPos++;

    }

    while( -1 != nPos );

    if (!sValue.isEmpty())

    {

        rValue <<= sValue.makeStringAndClear();

        bRet = true;

    }

    return bRet;

}

bool XMLFontFamilyNamePropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& ) const

{

    bool bRet = false;

    OUString aStrFamilyName;

    if( rValue >>= aStrFamilyName )

    {

        OUStringBuffer sValue( aStrFamilyName.getLength() + 2 );

        sal_Int32 nPos = 0;

        do

        {

            sal_Int32 nFirst = nPos;

            nPos = aStrFamilyName.indexOf( ';', nPos );

            sal_Int32 nLast = (-1 == nPos ? aStrFamilyName.getLength() : nPos);

            // Set position to the character behind the ';', so we won't

            // forget this.

            if( -1 != nPos )

                nPos++;

            // If the property value was empty, we stop now.

            // If there is a ';' at the first position, the empty name

            // at the start will be removed.

            if( 0 == nLast )

                continue;

            // nFirst and nLast now denote the first and last character of

            // one font name.

            nLast--;

            // skip trailing blanks

            while(  nLast > nFirst && ' ' == aStrFamilyName[nLast] )

                nLast--;

            // skip leading blanks

            while( nFirst <= nLast && ' ' == aStrFamilyName[nFirst] )

                nFirst++;

            if( nFirst <= nLast )

            {

                if( !sValue.isEmpty() )

                    sValue.append( ", " );

                sal_Int32 nLen = nLast-nFirst+1;

                std::u16string_view sFamily( aStrFamilyName.subView( nFirst, nLen ) );

                bool bQuote = false;

                for( sal_Int32 i=0; i < nLen; i++ )

                {

                    sal_Unicode c = sFamily[i];

                    if( ' ' == c || ',' == c )

                    {

                        bQuote = true;

                        break;

                    }

                }

                if( bQuote )

                    sValue.append( '\'' );

                sValue.append( sFamily );

                if( bQuote )

                    sValue.append( '\'' );

            }

        }

        while( -1 != nPos );

        rStrExpValue = sValue.makeStringAndClear();

        bRet = true;

    }

    return bRet;

}

XMLFontFamilyPropHdl::~XMLFontFamilyPropHdl()

{

    // Nothing to do

}

bool XMLFontFamilyPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const

{

    FontFamily eNewFamily;

    bool bRet = SvXMLUnitConverter::convertEnum( eNewFamily, rStrImpValue, lcl_getFontFamilyGenericMapping() );

    if( bRet )

        rValue <<= static_cast<sal_Int16>(eNewFamily);

    return bRet;

}

bool XMLFontFamilyPropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& ) const

{

    bool bRet = false;

    OUStringBuffer aOut;

    sal_Int16 nFamily = sal_Int16();

    if( rValue >>= nFamily )

    {

        FontFamily eFamily = static_cast<FontFamily>(nFamily);

        if( eFamily != FAMILY_DONTKNOW )

            bRet = SvXMLUnitConverter::convertEnum( aOut, eFamily, lcl_getFontFamilyGenericMapping() );

    }

    rStrExpValue = aOut.makeStringAndClear();

    return bRet;

}

XMLFontEncodingPropHdl::~XMLFontEncodingPropHdl()

{

    // Nothing to do

}

bool XMLFontEncodingPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const

{

    if( IsXMLToken( rStrImpValue, XML_X_SYMBOL ) )

        rValue <<= sal_Int16(RTL_TEXTENCODING_SYMBOL);

    return true;

}

bool XMLFontEncodingPropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& ) const

{

    bool bRet = false;

    sal_Int16 nSet = sal_Int16();

    if( rValue >>= nSet )

    {

        if( static_cast<rtl_TextEncoding>(nSet) == RTL_TEXTENCODING_SYMBOL )

        {

            rStrExpValue = GetXMLToken(XML_X_SYMBOL);

            bRet = true;

        }

    }

    return bRet;

}

XMLFontPitchPropHdl::~XMLFontPitchPropHdl()

{

    // Nothing to do

}

bool XMLFontPitchPropHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const

{

    FontPitch eNewPitch;

    bool bRet = SvXMLUnitConverter::convertEnum( eNewPitch, rStrImpValue, aFontPitchMapping );

    if( bRet )

        rValue <<= static_cast<sal_Int16>(eNewPitch);

    return bRet;

}

bool XMLFontPitchPropHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& ) const

{

    bool bRet = false;

    sal_Int16 nPitch = sal_Int16();

    FontPitch ePitch = PITCH_DONTKNOW;

    if( rValue >>= nPitch )

        ePitch =  static_cast<FontPitch>(nPitch);

    if( PITCH_DONTKNOW != ePitch )

    {

        OUStringBuffer aOut;

        bRet = SvXMLUnitConverter::convertEnum( aOut, ePitch, aFontPitchMapping, XML_FIXED );

        rStrExpValue = aOut.makeStringAndClear();

    }

    return bRet;

}

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