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office-gobmx/xmloff/source/transform/EventOASISTContext.cxx
Caolán McNamara 90ffbbdcd3 cid#1519129 Improper use of negative value 
Change-Id: Ib74c0734801e9f4b5cbeb9b1b19c12d5ad5eadbd
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/145708
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
2023-01-18 12:24:54 +00:00

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/* -*- 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 "EventOASISTContext.hxx"
#include "EventMap.hxx"
#include "MutableAttrList.hxx"
#include <xmloff/xmlnamespace.hxx>
#include "ActionMapTypesOASIS.hxx"
#include "AttrTransformerAction.hxx"
#include "TransformerActions.hxx"
#include "TransformerBase.hxx"
#include <osl/diagnose.h>
#include <sal/log.hxx>
#include <o3tl/string_view.hxx>
// Used to parse Scripting Framework URLs
#include <com/sun/star/uri/UriReferenceFactory.hpp>
#include <com/sun/star/uri/XVndSunStarScriptUrl.hpp>
#include <comphelper/processfactory.hxx>
#include <unordered_map>
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
using namespace ::xmloff::token;
class XMLTransformerOASISEventMap_Impl:
public std::unordered_map< NameKey_Impl, OUString,
NameHash_Impl, NameHash_Impl >
{
public:
explicit XMLTransformerOASISEventMap_Impl( XMLTransformerEventMapEntry const *pInit );
};
XMLTransformerOASISEventMap_Impl::XMLTransformerOASISEventMap_Impl( XMLTransformerEventMapEntry const *pInit )
{
if( !pInit )
return;
XMLTransformerOASISEventMap_Impl::key_type aKey;
XMLTransformerOASISEventMap_Impl::mapped_type aData;
while( pInit->m_pOASISName )
{
aKey.m_nPrefix = pInit->m_nOASISPrefix;
aKey.m_aLocalName = OUString::createFromAscii(pInit->m_pOASISName);
OSL_ENSURE( find( aKey ) == end(), "duplicate event map entry" );
aData = OUString::createFromAscii(pInit->m_pOOoName);
XMLTransformerOASISEventMap_Impl::value_type aVal( aKey, aData );
insert( aVal );
++pInit;
}
}
XMLEventOASISTransformerContext::XMLEventOASISTransformerContext(
XMLTransformerBase& rImp,
const OUString& rQName ) :
XMLRenameElemTransformerContext( rImp, rQName,
rImp.GetNamespaceMap().GetKeyByAttrName( rQName ), XML_EVENT )
{
}
XMLEventOASISTransformerContext::~XMLEventOASISTransformerContext()
{
}
XMLTransformerOASISEventMap_Impl
*XMLEventOASISTransformerContext::CreateEventMap()
{
return new XMLTransformerOASISEventMap_Impl( aTransformerEventMap );
}
XMLTransformerOASISEventMap_Impl
*XMLEventOASISTransformerContext::CreateFormEventMap()
{
return new XMLTransformerOASISEventMap_Impl( aFormTransformerEventMap );
}
void XMLEventOASISTransformerContext::FlushEventMap(
XMLTransformerOASISEventMap_Impl *p )
{
delete p;
}
OUString XMLEventOASISTransformerContext::GetEventName(
sal_uInt16 nPrefix,
const OUString& rName,
XMLTransformerOASISEventMap_Impl& rMap,
XMLTransformerOASISEventMap_Impl *pMap2)
{
XMLTransformerOASISEventMap_Impl::key_type aKey( nPrefix, rName );
if( pMap2 )
{
XMLTransformerOASISEventMap_Impl::const_iterator aIter =
pMap2->find( aKey );
if( aIter != pMap2->end() )
return (*aIter).second;
}
XMLTransformerOASISEventMap_Impl::const_iterator aIter = rMap.find( aKey );
if( aIter == rMap.end() )
return rName;
else
return (*aIter).second;
}
static bool ParseURL(
const OUString& rAttrValue,
OUString* pName, OUString* pLocation )
{
Reference< css::uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
Reference< css::uri::XUriReferenceFactory > xFactory = css::uri::UriReferenceFactory::create(xContext);
Reference< css::uri::XVndSunStarScriptUrl > xUrl ( xFactory->parse( rAttrValue ), UNO_QUERY );
if ( xUrl.is() )
{
const OUString& aLanguageKey = GetXMLToken( XML_LANGUAGE );
if ( xUrl.is() && xUrl->hasParameter( aLanguageKey ) )
{
OUString aLanguage = xUrl->getParameter( aLanguageKey );
if ( aLanguage.equalsIgnoreAsciiCase("basic") )
{
*pName = xUrl->getName();
OUString tmp =
xUrl->getParameter( GetXMLToken( XML_LOCATION ) );
const OUString& doc = GetXMLToken( XML_DOCUMENT );
if ( tmp.equalsIgnoreAsciiCase( doc ) )
{
*pLocation = doc;
}
else
{
*pLocation = GetXMLToken( XML_APPLICATION );
}
return true;
}
}
}
return false;
}
void XMLEventOASISTransformerContext::StartElement(
const Reference< XAttributeList >& rAttrList )
{
SAL_INFO("xmloff.transform", "XMLEventOASISTransformerContext::StartElement");
XMLTransformerActions *pActions =
GetTransformer().GetUserDefinedActions( OASIS_EVENT_ACTIONS );
SAL_WARN_IF( pActions == nullptr, "xmloff.transform", "got no actions" );
Reference< XAttributeList > xAttrList( rAttrList );
rtl::Reference<XMLMutableAttributeList> pMutableAttrList;
sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
for( sal_Int16 i=0; i < nAttrCount; i++ )
{
const OUString& rAttrName = xAttrList->getNameByIndex( i );
OUString aLocalName;
sal_uInt16 nPrefix =
GetTransformer().GetNamespaceMap().GetKeyByAttrName( rAttrName,
&aLocalName );
XMLTransformerActions::key_type aKey( nPrefix, aLocalName );
XMLTransformerActions::const_iterator aIter =
pActions->find( aKey );
if( aIter != pActions->end() )
{
if( !pMutableAttrList )
{
pMutableAttrList =
new XMLMutableAttributeList( xAttrList );
xAttrList = pMutableAttrList;
}
const OUString& rAttrValue = xAttrList->getValueByIndex( i );
switch( (*aIter).second.m_nActionType )
{
case XML_ATACTION_HREF:
{
OUString aName, aLocation;
bool bNeedsTransform =
ParseURL( rAttrValue, &aName, &aLocation );
if ( bNeedsTransform )
{
pMutableAttrList->RemoveAttributeByIndex( i );
OUString aAttrQName(
GetTransformer().GetNamespaceMap().GetQNameByKey(
XML_NAMESPACE_SCRIPT,
::xmloff::token::GetXMLToken( XML_MACRO_NAME ) ) );
pMutableAttrList->AddAttribute( aAttrQName, aName );
sal_Int16 idx = pMutableAttrList->GetIndexByName(
GetTransformer().GetNamespaceMap().GetQNameByKey(
XML_NAMESPACE_SCRIPT,
GetXMLToken( XML_LANGUAGE ) ) );
if (idx != -1)
pMutableAttrList->SetValueByIndex(idx, "StarBasic");
OUString aLocQName(
GetTransformer().GetNamespaceMap().GetQNameByKey(
XML_NAMESPACE_SCRIPT,
GetXMLToken( XML_LOCATION ) ) );
pMutableAttrList->AddAttribute( aLocQName, aLocation );
}
}
break;
case XML_ATACTION_EVENT_NAME:
{
// Check if the event belongs to a form or control by
// checking the 2nd ancestor element, f.i.:
// <form:button><form:event-listeners><form:event-listener>
const XMLTransformerContext *pObjContext =
GetTransformer().GetAncestorContext( 1 );
bool bForm = pObjContext &&
pObjContext->HasNamespace(XML_NAMESPACE_FORM );
pMutableAttrList->SetValueByIndex( i,
GetTransformer().GetEventName( rAttrValue,
bForm ) );
}
break;
case XML_ATACTION_REMOVE_NAMESPACE_PREFIX:
{
OUString aAttrValue( rAttrValue );
sal_uInt16 nValPrefix =
static_cast<sal_uInt16>((*aIter).second.m_nParam1);
if( GetTransformer().RemoveNamespacePrefix(
aAttrValue, nValPrefix ) )
pMutableAttrList->SetValueByIndex( i, aAttrValue );
}
break;
case XML_ATACTION_MACRO_NAME:
{
OUString aName, aLocation;
bool bNeedsTransform =
ParseURL( rAttrValue, &aName, &aLocation );
if ( bNeedsTransform )
{
pMutableAttrList->SetValueByIndex( i, aName );
sal_Int16 idx = pMutableAttrList->GetIndexByName(
GetTransformer().GetNamespaceMap().GetQNameByKey(
XML_NAMESPACE_SCRIPT,
GetXMLToken( XML_LANGUAGE ) ) );
if (idx != -1)
pMutableAttrList->SetValueByIndex(idx, "StarBasic");
OUString aLocQName(
GetTransformer().GetNamespaceMap().GetQNameByKey(
XML_NAMESPACE_SCRIPT,
GetXMLToken( XML_LOCATION ) ) );
pMutableAttrList->AddAttribute( aLocQName, aLocation );
}
else
{
const OUString& rApp = GetXMLToken( XML_APPLICATION );
const OUString& rDoc = GetXMLToken( XML_DOCUMENT );
OUString aAttrValue;
if( rAttrValue.getLength() > rApp.getLength()+1 &&
o3tl::equalsIgnoreAsciiCase(rAttrValue.subView(0,rApp.getLength()), rApp) &&
':' == rAttrValue[rApp.getLength()] )
{
aLocation = rApp;
aAttrValue = rAttrValue.copy( rApp.getLength()+1 );
}
else if( rAttrValue.getLength() > rDoc.getLength()+1 &&
o3tl::equalsIgnoreAsciiCase(rAttrValue.subView(0,rDoc.getLength()), rDoc) &&
':' == rAttrValue[rDoc.getLength()] )
{
aLocation= rDoc;
aAttrValue = rAttrValue.copy( rDoc.getLength()+1 );
}
if( !aAttrValue.isEmpty() )
pMutableAttrList->SetValueByIndex( i,
aAttrValue );
if( !aLocation.isEmpty() )
{
OUString aAttrQName( GetTransformer().GetNamespaceMap().
GetQNameByKey( XML_NAMESPACE_SCRIPT,
::xmloff::token::GetXMLToken( XML_LOCATION ) ) );
pMutableAttrList->AddAttribute( aAttrQName, aLocation );
// draw bug
aAttrQName = GetTransformer().GetNamespaceMap().
GetQNameByKey( XML_NAMESPACE_SCRIPT,
::xmloff::token::GetXMLToken( XML_LIBRARY ) );
pMutableAttrList->AddAttribute( aAttrQName, aLocation );
}
}
}
break;
case XML_ATACTION_COPY:
break;
default:
SAL_WARN( "xmloff.transform", "unknown action" );
break;
}
}
}
XMLRenameElemTransformerContext::StartElement( xAttrList );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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