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libreoffice/svx/source/xml/xmlxtimp.cxx
Caolán McNamara f5537d6c5e coverity#1308457 Uncaught exception
Change-Id: I922748783f3507268dfb713c6366ea20ff5e9a41
2015-06-27 18:25:02 +01:00

503 lines
19 KiB
C++

/* -*- 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 <tools/urlobj.hxx>
#include <com/sun/star/document/XGraphicObjectResolver.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/io/XActiveDataControl.hpp>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/xml/sax/Parser.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/drawing/PolyPolygonBezierCoords.hpp>
#include <com/sun/star/drawing/LineDash.hpp>
#include <com/sun/star/awt/Gradient.hpp>
#include <com/sun/star/drawing/Hatch.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <comphelper/processfactory.hxx>
#include <comphelper/storagehelper.hxx>
#include <unotools/streamwrap.hxx>
#include <rtl/ustrbuf.hxx>
#include <sax/tools/converter.hxx>
#include <sfx2/docfile.hxx>
#include "xmloff/xmlnmspe.hxx"
#include "xmloff/nmspmap.hxx"
#include "xmloff/xmltoken.hxx"
#include "xmloff/xmlmetae.hxx"
#include "xmloff/DashStyle.hxx"
#include "xmloff/GradientStyle.hxx"
#include "xmloff/HatchStyle.hxx"
#include "xmloff/ImageStyle.hxx"
#include "xmloff/MarkerStyle.hxx"
#include <xmloff/xmlictxt.hxx>
#include "svx/xmlgrhlp.hxx"
#include "xmloff/attrlist.hxx"
#include "xmlxtimp.hxx"
#include <cstdio>
using namespace com::sun::star;
using namespace com::sun::star::container;
using namespace com::sun::star::document;
using namespace com::sun::star::uno;
using namespace com::sun::star::awt;
using namespace com::sun::star::lang;
using namespace com::sun::star::xml::sax;
using namespace ::xmloff::token;
using namespace cppu;
sal_Char const sXML_np__office[] = "__office";
sal_Char const sXML_np__office_ooo[] = "___office";
sal_Char const sXML_np__draw[] = "__draw";
sal_Char const sXML_np__draw_ooo[] = "___draw";
sal_Char const sXML_np__ooo[] = "__ooo";
sal_Char const sXML_np__xlink[] = "__xlink";
enum SvxXMLTableImportContextEnum { stice_unknown, stice_color, stice_marker, stice_dash, stice_hatch, stice_gradient, stice_bitmap };
class SvxXMLTableImportContext : public SvXMLImportContext
{
public:
SvxXMLTableImportContext( SvXMLImport& rImport, sal_uInt16 nPrfx, const OUString& rLName, const uno::Reference< XAttributeList >& xAttrList, SvxXMLTableImportContextEnum eContext, const uno::Reference< XNameContainer >& xTable,
bool bOOoFormat );
virtual ~SvxXMLTableImportContext();
virtual SvXMLImportContext *CreateChildContext( sal_uInt16 nPrefix, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList ) SAL_OVERRIDE;
protected:
void importColor( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName );
void importMarker( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName );
void importDash( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName );
void importHatch( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName );
void importGradient( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName );
void importBitmap( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName );
private:
uno::Reference< XNameContainer > mxTable;
SvxXMLTableImportContextEnum meContext;
bool mbOOoFormat;
};
SvxXMLTableImportContext::SvxXMLTableImportContext( SvXMLImport& rImport, sal_uInt16 nPrfx, const OUString& rLName, const uno::Reference< XAttributeList >&, SvxXMLTableImportContextEnum eContext, const uno::Reference< XNameContainer >& xTable, bool bOOoFormat )
: SvXMLImportContext( rImport, nPrfx, rLName ), mxTable( xTable ), meContext( eContext ),
mbOOoFormat( bOOoFormat )
{
}
SvxXMLTableImportContext::~SvxXMLTableImportContext()
{
}
SvXMLImportContext *SvxXMLTableImportContext::CreateChildContext( sal_uInt16 nPrefix, const OUString& rLocalName, const uno::Reference< XAttributeList >& rAttrList )
{
if( XML_NAMESPACE_DRAW == nPrefix )
{
uno::Reference< XAttributeList > xAttrList( rAttrList );
if( mbOOoFormat &&
(stice_dash == meContext || stice_hatch == meContext ||
stice_bitmap == meContext) )
{
SvXMLAttributeList *pAttrList = new SvXMLAttributeList( rAttrList );
xAttrList = pAttrList;
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_ =
GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName,
&aLocalName );
if( XML_NAMESPACE_XLINK == nPrefix_ &&
stice_bitmap == meContext &&
IsXMLToken( aLocalName, XML_HREF ) )
{
const OUString rValue = xAttrList->getValueByIndex( i );
if( !rValue.isEmpty() && '#' == rValue[0] )
pAttrList->SetValueByIndex( i, rValue.copy( 1 ) );
}
else if( XML_NAMESPACE_DRAW == nPrefix_ &&
( ( stice_dash == meContext &&
(IsXMLToken( aLocalName, XML_DOTS1_LENGTH ) ||
IsXMLToken( aLocalName, XML_DOTS2_LENGTH ) ||
IsXMLToken( aLocalName, XML_DISTANCE )) ) ||
( stice_hatch == meContext &&
IsXMLToken( aLocalName, XML_HATCH_DISTANCE ) ) ) )
{
const OUString rValue = xAttrList->getValueByIndex( i );
sal_Int32 nPos = rValue.getLength();
while( nPos && rValue[nPos-1] <= ' ' )
--nPos;
if( nPos > 2 &&
('c'==rValue[nPos-2] || 'C'==rValue[nPos-2]) &&
('h'==rValue[nPos-1] || 'H'==rValue[nPos-1]) )
{
pAttrList->SetValueByIndex( i, rValue.copy( 0, nPos-2 ) );
}
}
}
}
try
{
Any aAny;
OUString aName;
switch( meContext )
{
case stice_color:
importColor( nPrefix, rLocalName, xAttrList, aAny, aName );
break;
case stice_marker:
importMarker( nPrefix, rLocalName, xAttrList, aAny, aName );
break;
case stice_dash:
importDash( nPrefix, rLocalName, xAttrList, aAny, aName );
break;
case stice_hatch:
importHatch( nPrefix, rLocalName, xAttrList, aAny, aName );
break;
case stice_gradient:
importGradient( nPrefix, rLocalName, xAttrList, aAny, aName );
break;
case stice_bitmap:
importBitmap( nPrefix, rLocalName, xAttrList, aAny, aName );
break;
case stice_unknown:
break;
}
if( !aName.isEmpty() && aAny.hasValue() )
{
if( mxTable->hasByName( aName ) )
{
mxTable->replaceByName( aName, aAny );
}
else
{
mxTable->insertByName( aName, aAny );
}
}
}
catch (const uno::Exception&)
{
}
}
return new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
}
void SvxXMLTableImportContext::importColor( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
(void)nPrfx;
(void)rLocalName;
const sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
for( sal_Int16 i=0; i < nAttrCount; i++ )
{
const OUString& rFullAttrName = xAttrList->getNameByIndex( i );
OUString aLocalName;
sal_uInt16 nPrefix = GetImport().GetNamespaceMap().GetKeyByAttrName( rFullAttrName, &aLocalName );
if( XML_NAMESPACE_DRAW == nPrefix )
{
if( aLocalName == GetXMLToken(XML_NAME) )
{
rName = xAttrList->getValueByIndex( i );
}
else if( aLocalName == GetXMLToken(XML_COLOR) )
{
sal_Int32 nColor(0);
::sax::Converter::convertColor(nColor,
xAttrList->getValueByIndex( i ));
rAny <<= nColor;
}
}
}
}
void SvxXMLTableImportContext::importMarker( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
(void)nPrfx;
(void)rLocalName;
try
{
XMLMarkerStyleImport aMarkerStyle( GetImport() );
aMarkerStyle.importXML( xAttrList, rAny, rName );
}
catch (const Exception&)
{
OSL_FAIL("SvxXMLTableImportContext::importMarker(), exception caught!");
}
}
void SvxXMLTableImportContext::importDash( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
(void)nPrfx;
(void)rLocalName;
try
{
XMLDashStyleImport aDashStyle( GetImport() );
aDashStyle.importXML( xAttrList, rAny, rName );
}
catch (const Exception&)
{
OSL_FAIL("SvxXMLTableImportContext::importDash(), exception caught!");
}
}
void SvxXMLTableImportContext::importHatch( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
(void)nPrfx;
(void)rLocalName;
try
{
XMLHatchStyleImport aHatchStyle( GetImport() );
aHatchStyle.importXML( xAttrList, rAny, rName );
}
catch (const Exception&)
{
OSL_FAIL("SvxXMLTableImportContext::importHatch(), exception caught!");
}
}
void SvxXMLTableImportContext::importGradient( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
(void)nPrfx;
(void)rLocalName;
try
{
XMLGradientStyleImport aGradientStyle( GetImport() );
aGradientStyle.importXML( xAttrList, rAny, rName );
}
catch (const Exception&)
{
OSL_FAIL("SvxXMLTableImportContext::importGradient(), exception caught!");
}
}
void SvxXMLTableImportContext::importBitmap( sal_uInt16 nPrfx, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
(void)nPrfx;
(void)rLocalName;
try
{
XMLImageStyle aImageStyle;
aImageStyle.importXML( xAttrList, rAny, rName, GetImport() );
}
catch (const Exception&)
{
OSL_FAIL("SvxXMLTableImportContext::importBitmap(), exception caught!");
}
}
// #110680#
SvxXMLXTableImport::SvxXMLXTableImport(
const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rContext,
const uno::Reference< XNameContainer > & rTable,
uno::Reference< XGraphicObjectResolver >& xGrfResolver )
: SvXMLImport(rContext, "", SvXMLImportFlags::NONE),
mrTable( rTable )
{
SetGraphicResolver( xGrfResolver );
GetNamespaceMap().Add( OUString( sXML_np__ooo ), GetXMLToken(XML_N_OOO), XML_NAMESPACE_OOO );
GetNamespaceMap().Add( OUString( sXML_np__office ), GetXMLToken(XML_N_OFFICE), XML_NAMESPACE_OFFICE );
GetNamespaceMap().Add( OUString( sXML_np__draw ), GetXMLToken(XML_N_DRAW), XML_NAMESPACE_DRAW );
GetNamespaceMap().Add( OUString( sXML_np__xlink ), GetXMLToken(XML_N_XLINK), XML_NAMESPACE_XLINK );
// OOo namespaces for reading OOo 1.1 files
GetNamespaceMap().Add( OUString( sXML_np__office_ooo ),
GetXMLToken(XML_N_OFFICE_OOO),
XML_NAMESPACE_OFFICE );
GetNamespaceMap().Add( OUString( sXML_np__draw_ooo ),
GetXMLToken(XML_N_DRAW_OOO),
XML_NAMESPACE_DRAW );
}
SvxXMLXTableImport::~SvxXMLXTableImport() throw ()
{
}
static void openStorageStream( xml::sax::InputSource *pParserInput,
SvXMLGraphicHelper **ppGraphicHelper,
uno::Reference < embed::XStorage > xStorage )
{
uno::Reference < io::XStream > xIStm;
xIStm.set( xStorage->openStreamElement( "Content.xml", embed::ElementModes::READ ), uno::UNO_QUERY_THROW );
if( !xIStm.is() )
{
OSL_FAIL( "could not open Content stream" );
return;
}
pParserInput->aInputStream = xIStm->getInputStream();
*ppGraphicHelper = SvXMLGraphicHelper::Create( xStorage, GRAPHICHELPER_MODE_READ );
}
bool SvxXMLXTableImport::load( const OUString &rPath, const OUString &rReferer,
const uno::Reference < embed::XStorage > &xStorage,
const uno::Reference< XNameContainer >& xTable,
bool *bOptLoadedFromStorage ) throw()
{
bool bRet = true;
SvXMLGraphicHelper* pGraphicHelper = 0;
INetURLObject aURLObj( rPath );
bool bUseStorage = aURLObj.GetProtocol() == INetProtocol::NotValid; // a relative path
try
{
uno::Reference<uno::XComponentContext> xContext( ::comphelper::getProcessComponentContext() );
uno::Reference< xml::sax::XParser > xParser = xml::sax::Parser::create( xContext );
xml::sax::InputSource aParserInput;
comphelper::LifecycleProxy aNasty;
if( !bUseStorage || !xStorage.is() )
{
SfxMedium aMedium( rPath, rReferer, StreamMode::READ | StreamMode::NOCREATE );
aParserInput.sSystemId = aMedium.GetName();
if( aMedium.IsStorage() )
{
uno::Reference < embed::XStorage > xMediumStorage( aMedium.GetStorage( false ), uno::UNO_QUERY_THROW );
openStorageStream( &aParserInput, &pGraphicHelper, xMediumStorage );
}
else
aParserInput.aInputStream = aMedium.GetInputStream();
}
else // relative URL into a storage
{
uno::Reference< embed::XStorage > xSubStorage;
try
{
xSubStorage = comphelper::OStorageHelper::GetStorageAtPath(
xStorage, rPath, embed::ElementModes::READ, aNasty );
}
catch (const uno::Exception&)
{
}
if( xSubStorage.is() )
openStorageStream( &aParserInput, &pGraphicHelper, xSubStorage );
else
{
::com::sun::star::uno::Reference< ::com::sun::star::io::XStream > xStream;
xStream = comphelper::OStorageHelper::GetStreamAtPath(
xStorage, rPath, embed::ElementModes::READ, aNasty );
if( !xStream.is() )
return false;
aParserInput.aInputStream = xStream->getInputStream();
}
if( bOptLoadedFromStorage )
*bOptLoadedFromStorage = true;
}
uno::Reference< XGraphicObjectResolver > xGrfResolver;
if (pGraphicHelper)
xGrfResolver = pGraphicHelper;
try
{
uno::Reference< io::XSeekable > xSeek( aParserInput.aInputStream, uno::UNO_QUERY_THROW );
xSeek->seek( 0 );
}
catch (const uno::Exception&)
{
}
uno::Reference< XDocumentHandler > xHandler( new SvxXMLXTableImport( xContext, xTable, xGrfResolver ) );
xParser->setDocumentHandler( xHandler );
xParser->parseStream( aParserInput );
if( pGraphicHelper )
SvXMLGraphicHelper::Destroy( pGraphicHelper );
}
catch (...)
{
// thrown each time you load a document with property tables that are not
// on the current machine. FIXME: would be better to check a file exists
// before importing ...
bRet = false;
}
return bRet;
}
SvXMLImportContext *SvxXMLXTableImport::CreateContext( sal_uInt16 nPrefix, const OUString& rLocalName, const uno::Reference< XAttributeList >& xAttrList )
{
if( XML_NAMESPACE_OOO == nPrefix ||
XML_NAMESPACE_OFFICE == nPrefix )
{
bool bOOoFormat = (XML_NAMESPACE_OFFICE == nPrefix);
Type aType = mrTable->getElementType();
if ( rLocalName == "color-table" )
{
if( aType == ::cppu::UnoType<sal_Int32>::get() )
return new SvxXMLTableImportContext( *this, nPrefix, rLocalName, xAttrList, stice_color, mrTable, bOOoFormat );
}
else if ( rLocalName == "marker-table" )
{
if( aType == cppu::UnoType<drawing::PolyPolygonBezierCoords>::get())
return new SvxXMLTableImportContext( *this, nPrefix, rLocalName, xAttrList, stice_marker, mrTable, bOOoFormat );
}
else if ( rLocalName == "dash-table" )
{
if( aType == cppu::UnoType<drawing::LineDash>::get())
return new SvxXMLTableImportContext( *this, nPrefix, rLocalName, xAttrList, stice_dash, mrTable, bOOoFormat );
}
else if ( rLocalName == "hatch-table" )
{
if( aType == cppu::UnoType<drawing::Hatch>::get())
return new SvxXMLTableImportContext( *this, nPrefix, rLocalName, xAttrList, stice_hatch, mrTable, bOOoFormat );
}
else if ( rLocalName == "gradient-table" )
{
if( aType == cppu::UnoType<awt::Gradient>::get())
return new SvxXMLTableImportContext( *this, nPrefix, rLocalName, xAttrList, stice_gradient, mrTable, bOOoFormat );
}
else if ( rLocalName == "bitmap-table" )
{
if( aType == ::cppu::UnoType<OUString>::get())
return new SvxXMLTableImportContext( *this, nPrefix, rLocalName, xAttrList, stice_bitmap, mrTable, bOOoFormat );
}
}
return new SvXMLImportContext( *this, nPrefix, rLocalName );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */