    /* -*- 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 <libxml/xmlwriter.h>

    #include <o3tl/any.hxx>

    #include <svl/zforlist.hxx>
    #include <svl/zformat.hxx>

    #include <svx/svdmodel.hxx>

    #include <calbck.hxx>
    #include <calc.hxx>
    #include <usrfld.hxx>
    #include <doc.hxx>
    #include <IDocumentFieldsAccess.hxx>
    #include <IDocumentUndoRedo.hxx>
    #include <IDocumentState.hxx>
    #include <editsh.hxx>
    #include <dpage.hxx>
    #include <unofldmid.h>

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

    namespace
    {
    /**
     * Returns the language used for float <-> string conversions in
     * SwUserFieldType.
     */
    LanguageType GetFieldTypeLanguage()
    {
        return LANGUAGE_SYSTEM;
    }
    }

    // Userfields

    SwUserField::SwUserField(SwUserFieldType* pTyp, sal_uInt16 nSub, sal_uInt32 nFormat)
        : SwValueField(pTyp, nFormat),
        nSubType(nSub)
    {
    }

    OUString SwUserField::Expand() const
    {
        if(!(nSubType & nsSwExtendedSubType::SUB_INVISIBLE))
            return static_cast<SwUserFieldType*>(GetTyp())->Expand(GetFormat(), nSubType, GetLanguage());

        return OUString();
    }

    std::unique_ptr<SwField> SwUserField::Copy() const
    {
        std::unique_ptr<SwField> pTmp(new SwUserField(static_cast<SwUserFieldType*>(GetTyp()), nSubType, GetFormat()));
        pTmp->SetAutomaticLanguage(IsAutomaticLanguage());
        return pTmp;
    }

    OUString SwUserField::GetFieldName() const
    {
        return SwFieldType::GetTypeStr(TYP_USERFLD) +
            " " + GetTyp()->GetName() + " = " +
            static_cast<SwUserFieldType*>(GetTyp())->GetContent();
    }

    double SwUserField::GetValue() const
    {
        return static_cast<SwUserFieldType*>(GetTyp())->GetValue();
    }

    void SwUserField::SetValue( const double& rVal )
    {
        static_cast<SwUserFieldType*>(GetTyp())->SetValue(rVal);
    }

    /// Get name
    OUString SwUserField::GetPar1() const
    {
        return static_cast<const SwUserFieldType*>(GetTyp())->GetName();
    }

    /// Get content
    OUString SwUserField::GetPar2() const
    {
        return static_cast<SwUserFieldType*>(GetTyp())->GetContent(GetFormat());
    }

    void SwUserField::SetPar2(const OUString& rStr)
    {
        static_cast<SwUserFieldType*>(GetTyp())->SetContent(rStr, GetFormat());
    }

    sal_uInt16 SwUserField::GetSubType() const
    {
        return static_cast<SwUserFieldType*>(GetTyp())->GetType() | nSubType;
    }

    void SwUserField::SetSubType(sal_uInt16 nSub)
    {
        static_cast<SwUserFieldType*>(GetTyp())->SetType(nSub & 0x00ff);
        nSubType = nSub & 0xff00;
    }

    bool SwUserField::QueryValue( uno::Any& rAny, sal_uInt16 nWhichId ) const
    {
        switch( nWhichId )
        {
        case FIELD_PROP_BOOL2:
            rAny <<= 0 != (nSubType & nsSwExtendedSubType::SUB_CMD);
            break;
        case FIELD_PROP_BOOL1:
            rAny <<= 0 == (nSubType & nsSwExtendedSubType::SUB_INVISIBLE);
            break;
        case FIELD_PROP_FORMAT:
            rAny <<= static_cast<sal_Int32>(GetFormat());
            break;
        default:
            return SwField::QueryValue(rAny, nWhichId);
        }
        return true;
    }

    bool SwUserField::PutValue( const uno::Any& rAny, sal_uInt16 nWhichId )
    {
        switch( nWhichId )
        {
        case FIELD_PROP_BOOL1:
            if(*o3tl::doAccess<bool>(rAny))
                nSubType &= (~nsSwExtendedSubType::SUB_INVISIBLE);
            else
                nSubType |= nsSwExtendedSubType::SUB_INVISIBLE;
            break;
        case FIELD_PROP_BOOL2:
            if(*o3tl::doAccess<bool>(rAny))
                nSubType |= nsSwExtendedSubType::SUB_CMD;
            else
                nSubType &= (~nsSwExtendedSubType::SUB_CMD);
            break;
        case FIELD_PROP_FORMAT:
            {
                sal_Int32 nTmp = 0;
                rAny >>= nTmp;
                SetFormat(nTmp);
            }
            break;
        default:
            return SwField::PutValue(rAny, nWhichId);
        }
        return true;
    }

    void SwUserField::dumpAsXml(xmlTextWriterPtr pWriter) const
    {
        xmlTextWriterStartElement(pWriter, BAD_CAST("SwUserField"));
        xmlTextWriterWriteAttribute(pWriter, BAD_CAST("nSubType"), BAD_CAST(OString::number(nSubType).getStr()));
        SwValueField::dumpAsXml(pWriter);
        xmlTextWriterEndElement(pWriter);
    }

    SwUserFieldType::SwUserFieldType( SwDoc* pDocPtr, const OUString& aNam )
        : SwValueFieldType( pDocPtr, SwFieldIds::User ),
        nValue( 0 ),
        nType(nsSwGetSetExpType::GSE_STRING)
    {
        bValidValue = bDeleted = false;
        aName = aNam;

        if (nType & nsSwGetSetExpType::GSE_STRING)
            EnableFormat(false);    // Do not use a Numberformatter
    }

    OUString SwUserFieldType::Expand(sal_uInt32 nFormat, sal_uInt16 nSubType, LanguageType nLng)
    {
        if((nType & nsSwGetSetExpType::GSE_EXPR) && !(nSubType & nsSwExtendedSubType::SUB_CMD))
        {
            EnableFormat();
            return ExpandValue(nValue, nFormat, nLng);
        }

        EnableFormat(false);    // Do not use a Numberformatter
        return aContent;
    }

    SwFieldType* SwUserFieldType::Copy() const
    {
        SwUserFieldType *pTmp = new SwUserFieldType( GetDoc(), aName );
        pTmp->aContent      = aContent;
        pTmp->nType         = nType;
        pTmp->bValidValue   = bValidValue;
        pTmp->nValue        = nValue;
        pTmp->bDeleted      = bDeleted;

        return pTmp;
    }

    OUString SwUserFieldType::GetName() const
    {
        return aName;
    }

    void SwUserFieldType::Modify( const SfxPoolItem* pOld, const SfxPoolItem* pNew )
    {
        if( !pOld && !pNew )
            bValidValue = false;

        NotifyClients( pOld, pNew );

        // update input fields that might be connected to the user field
        if ( !IsModifyLocked() )
        {
            LockModify();
            GetDoc()->getIDocumentFieldsAccess().GetSysFieldType( SwFieldIds::Input )->UpdateFields();
            UnlockModify();
        }
    }

    double SwUserFieldType::GetValue( SwCalc& rCalc )
    {
        if(bValidValue)
            return nValue;

        if(!rCalc.Push( this ))
        {
            rCalc.SetCalcError( SwCalcError::Syntax );
            return 0;
        }

        // See if we need to temporarily switch rCalc's language: in case it
        // differs from the field type locale.
        CharClass* pCharClass = rCalc.GetCharClass();
        LanguageTag aCalcLanguage = pCharClass->getLanguageTag();
        LanguageTag aFieldTypeLanguage(GetFieldTypeLanguage());
        bool bSwitchLanguage = aCalcLanguage != aFieldTypeLanguage;
        if (bSwitchLanguage)
            pCharClass->setLanguageTag(aFieldTypeLanguage);

        nValue = rCalc.Calculate( aContent ).GetDouble();

        if (bSwitchLanguage)
            pCharClass->setLanguageTag(aCalcLanguage);

        rCalc.Pop();

        if( !rCalc.IsCalcError() )
            bValidValue = true;
        else
            nValue = 0;

        return nValue;
    }

    OUString SwUserFieldType::GetContent( sal_uInt32 nFormat )
    {
        if (nFormat && nFormat != SAL_MAX_UINT32)
        {
            OUString sFormattedValue;
            Color* pCol = nullptr;

            SvNumberFormatter* pFormatter = GetDoc()->GetNumberFormatter();

            pFormatter->GetOutputString(GetValue(), nFormat, sFormattedValue, &pCol);
            return sFormattedValue;
        }

        return aContent;
    }

    void SwUserFieldType::SetContent( const OUString& rStr, sal_uInt32 nFormat )
    {
        if( aContent != rStr )
        {
            aContent = rStr;

            if (nFormat && nFormat != SAL_MAX_UINT32)
            {
                double fValue;

                if (GetDoc()->IsNumberFormat(rStr, nFormat, fValue))
                {
                    SetValue(fValue);
                    aContent = DoubleToString(fValue, nFormat);
                }
            }

            bool bModified = GetDoc()->getIDocumentState().IsModified();
            GetDoc()->getIDocumentState().SetModified();
            if( !bModified )    // Bug 57028
            {
                GetDoc()->GetIDocumentUndoRedo().SetUndoNoResetModified();
            }
        }
    }

    void SwUserFieldType::QueryValue( uno::Any& rAny, sal_uInt16 nWhichId ) const
    {
        switch( nWhichId )
        {
        case FIELD_PROP_DOUBLE:
            rAny <<= nValue;
            break;
        case FIELD_PROP_PAR2:
            rAny <<= aContent;
            break;
        case FIELD_PROP_BOOL1:
            rAny <<= 0 != (nsSwGetSetExpType::GSE_EXPR&nType);
            break;
        default:
            assert(false);
        }
    }

    void SwUserFieldType::PutValue( const uno::Any& rAny, sal_uInt16 nWhichId )
    {
        switch( nWhichId )
        {
        case FIELD_PROP_DOUBLE:
            {
                double fVal = 0;
                rAny >>= fVal;
                nValue = fVal;

                aContent = DoubleToString(nValue, static_cast<sal_uInt16>(GetFieldTypeLanguage()));
            }
            break;
        case FIELD_PROP_PAR2:
            rAny >>= aContent;
            break;
        case FIELD_PROP_BOOL1:
            if(*o3tl::doAccess<bool>(rAny))
            {
                nType |= nsSwGetSetExpType::GSE_EXPR;
                nType &= ~nsSwGetSetExpType::GSE_STRING;
            }
            else
            {
                nType &= ~nsSwGetSetExpType::GSE_EXPR;
                nType |= nsSwGetSetExpType::GSE_STRING;
            }
            break;
        default:
            assert(false);
        }
    }

    void SwUserFieldType::dumpAsXml(xmlTextWriterPtr pWriter) const
    {
        xmlTextWriterStartElement(pWriter, BAD_CAST("SwUserFieldType"));
        xmlTextWriterWriteAttribute(pWriter, BAD_CAST("nValue"), BAD_CAST(OString::number(nValue).getStr()));
        xmlTextWriterWriteAttribute(pWriter, BAD_CAST("aContent"), BAD_CAST(aContent.toUtf8().getStr()));
        SwFieldType::dumpAsXml(pWriter);
        xmlTextWriterEndElement(pWriter);
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V547 Expression 'nType & nsSwGetSetExpType::GSE_STRING' is always true.