Cppcheck report - LibreOffice 2020-06-13 19:58:00 41c465b5ee443ec04441077b5eb80f263336ea8a, CppCheck 2020-06-13 18:19:47 6d5d12f283cf568d2dfe09aa77cb41f34b322d62: sw/source/core/para/paratr.cxx

/* -*- 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 <hintids.hxx>
#include <unomid.h>
#include <com/sun/star/style/DropCapFormat.hpp>
#include <o3tl/any.hxx>
#include <SwStyleNameMapper.hxx>
#include <paratr.hxx>
#include <charfmt.hxx>
#include <libxml/xmlwriter.h>
#include <osl/diagnose.h>

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


SfxPoolItem* SwFormatDrop::CreateDefault() { return new SwFormatDrop; }
SfxPoolItem* SwRegisterItem::CreateDefault() { return new SwRegisterItem; }
SfxPoolItem* SwNumRuleItem::CreateDefault() { return new SwNumRuleItem; }

SwFormatDrop::SwFormatDrop()
    : SfxPoolItem( RES_PARATR_DROP ),
    SwClient( nullptr ),
    m_pDefinedIn( nullptr ),
    m_nDistance( 0 ),
    m_nLines( 0 ),
    m_nChars( 0 ),
    m_bWholeWord( false )
{
}

SwFormatDrop::SwFormatDrop( const SwFormatDrop &rCpy )
    : SfxPoolItem( RES_PARATR_DROP ),
    SwClient( rCpy.GetRegisteredInNonConst() ),
    m_pDefinedIn( nullptr ),
    m_nDistance( rCpy.GetDistance() ),
    m_nLines( rCpy.GetLines() ),
    m_nChars( rCpy.GetChars() ),
    m_bWholeWord( rCpy.GetWholeWord() )
{
}

SwFormatDrop::~SwFormatDrop()
{
}

void SwFormatDrop::SetCharFormat( SwCharFormat *pNew )
{
    assert(!pNew || !pNew->IsDefault()); // expose cases that lead to use-after-free
    // Rewire
    EndListeningAll();
    if(pNew)
        pNew->Add( this );
}

void SwFormatDrop::Modify( const SfxPoolItem*, const SfxPoolItem * )
{
    if( m_pDefinedIn )
    {
        if( dynamic_cast< const SwFormat *>( m_pDefinedIn ) ==  nullptr)
            m_pDefinedIn->ModifyNotification( this, this );
        else if( m_pDefinedIn->HasWriterListeners() &&
                !m_pDefinedIn->IsModifyLocked() )
        {
            // Notify those who are dependent on the format on our own.
            // The format itself wouldn't pass on the notify as it does not get past the check.
            m_pDefinedIn->ModifyBroadcast( this, this );
        }
    }
}

bool SwFormatDrop::GetInfo( SfxPoolItem& ) const
{
    return true; // Continue
}

bool SwFormatDrop::operator==( const SfxPoolItem& rAttr ) const
{
    assert(SfxPoolItem::operator==(rAttr));
    return ( m_nLines == static_cast<const SwFormatDrop&>(rAttr).GetLines() &&
             m_nChars == static_cast<const SwFormatDrop&>(rAttr).GetChars() &&
             m_nDistance ==  static_cast<const SwFormatDrop&>(rAttr).GetDistance() &&
             m_bWholeWord == static_cast<const SwFormatDrop&>(rAttr).GetWholeWord() &&
             GetCharFormat() == static_cast<const SwFormatDrop&>(rAttr).GetCharFormat() &&
             m_pDefinedIn == static_cast<const SwFormatDrop&>(rAttr).m_pDefinedIn );
}

SwFormatDrop* SwFormatDrop::Clone( SfxItemPool* ) const
{
    return new SwFormatDrop( *this );
}

bool SwFormatDrop::QueryValue( uno::Any& rVal, sal_uInt8 nMemberId ) const
{
    switch(nMemberId&~CONVERT_TWIPS)
    {
        case MID_DROPCAP_LINES : rVal <<= static_cast<sal_Int16>(m_nLines); break;
        case MID_DROPCAP_COUNT : rVal <<= static_cast<sal_Int16>(m_nChars); break;
        case MID_DROPCAP_DISTANCE : rVal <<= static_cast<sal_Int16>(convertTwipToMm100(m_nDistance)); break;
        case MID_DROPCAP_FORMAT:
        {
            style::DropCapFormat aDrop;
            aDrop.Lines = m_nLines   ;
            aDrop.Count = m_nChars   ;
            aDrop.Distance  = convertTwipToMm100(m_nDistance);
            rVal <<= aDrop;
        }
        break;
        case MID_DROPCAP_WHOLE_WORD:
            rVal <<= m_bWholeWord;
        break;
        case MID_DROPCAP_CHAR_STYLE_NAME :
        {
            OUString sName;
            if(GetCharFormat())
                sName = SwStyleNameMapper::GetProgName(
                        GetCharFormat()->GetName(), SwGetPoolIdFromName::ChrFmt );
            rVal <<= sName;
        }
        break;
    }
    return true;
}

bool SwFormatDrop::PutValue( const uno::Any& rVal, sal_uInt8 nMemberId )
{
    switch(nMemberId&~CONVERT_TWIPS)
    {
        case MID_DROPCAP_LINES :
        {
            sal_Int8 nTemp = 0;<--- Assignment 'nTemp=0', assigned value is 0
            rVal >>= nTemp;
            if(nTemp >=1 && nTemp < 0x7f)<--- Condition 'nTemp>=1' is always false
                m_nLines = static_cast<sal_uInt8>(nTemp);
        }
        break;
        case MID_DROPCAP_COUNT :
        {
            sal_Int16 nTemp = 0;<--- Assignment 'nTemp=0', assigned value is 0
            rVal >>= nTemp;
            if(nTemp >=1 && nTemp < 0x7f)<--- Condition 'nTemp>=1' is always false
                m_nChars = static_cast<sal_uInt8>(nTemp);
        }
        break;
        case MID_DROPCAP_DISTANCE :
        {
            sal_Int16 nVal = 0;
            if ( rVal >>= nVal )
                m_nDistance = static_cast<sal_Int16>(convertMm100ToTwip(static_cast<sal_Int32>(nVal)));
            else
                return false;
            break;
        }
        case MID_DROPCAP_FORMAT:
        {
            if(rVal.getValueType()  == ::cppu::UnoType<style::DropCapFormat>::get())
            {
                auto pDrop = o3tl::doAccess<style::DropCapFormat>(rVal);
                m_nLines      = pDrop->Lines;
                m_nChars      = pDrop->Count;
                m_nDistance   = convertMm100ToTwip(pDrop->Distance);
            }
        }
        break;
        case MID_DROPCAP_WHOLE_WORD:
            m_bWholeWord = *o3tl::doAccess<bool>(rVal);
        break;
        case MID_DROPCAP_CHAR_STYLE_NAME :
            OSL_FAIL("char format cannot be set in PutValue()!");
        break;
    }
    return true;
}

SwRegisterItem* SwRegisterItem::Clone( SfxItemPool * ) const
{
    return new SwRegisterItem( *this );
}

SwNumRuleItem* SwNumRuleItem::Clone( SfxItemPool * ) const
{
    return new SwNumRuleItem( *this );
}

bool SwNumRuleItem::operator==( const SfxPoolItem& rAttr ) const
{
    assert(SfxPoolItem::operator==(rAttr));

    return GetValue() == static_cast<const SwNumRuleItem&>(rAttr).GetValue();
}

bool    SwNumRuleItem::QueryValue( uno::Any& rVal, sal_uInt8 ) const
{
    OUString sRet = SwStyleNameMapper::GetProgName(GetValue(), SwGetPoolIdFromName::NumRule );
    rVal <<= sRet;
    return true;
}

bool    SwNumRuleItem::PutValue( const uno::Any& rVal, sal_uInt8 )
{
    OUString uName;
    rVal >>= uName;
    SetValue(SwStyleNameMapper::GetUIName(uName, SwGetPoolIdFromName::NumRule));
    return true;
}

void SwNumRuleItem::dumpAsXml(xmlTextWriterPtr pWriter) const
{
    xmlTextWriterStartElement(pWriter, BAD_CAST("SwNumRuleItem"));
    xmlTextWriterWriteAttribute(pWriter, BAD_CAST("whichId"), BAD_CAST(OString::number(Which()).getStr()));
    xmlTextWriterWriteAttribute(pWriter, BAD_CAST("value"), BAD_CAST(GetValue().toUtf8().getStr()));
    xmlTextWriterEndElement(pWriter);
}

SwParaConnectBorderItem* SwParaConnectBorderItem::Clone( SfxItemPool * ) const
{
    return new SwParaConnectBorderItem( *this );
}

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