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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 <tools/urlobj.hxx>
#include <com/sun/star/document/XGraphicStorageHandler.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/drawing/PolyPolygonBezierCoords.hpp>
#include <com/sun/star/drawing/LineDash.hpp>
#include <com/sun/star/awt/Gradient2.hpp>
#include <com/sun/star/awt/XBitmap.hpp>
#include <com/sun/star/awt/ColorStop.hpp>
#include <com/sun/star/drawing/Hatch.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <comphelper/processfactory.hxx>
#include <comphelper/storagehelper.hxx>
#include <sax/tools/converter.hxx>
#include <sfx2/docfile.hxx>
#include <utility>
#include <xmloff/xmlnamespace.hxx>
#include <xmloff/namespacemap.hxx>
#include <xmloff/xmltoken.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 <xmlxtimp.hxx>
#include <comphelper/sequence.hxx>
#include <comphelper/diagnose_ex.hxx>
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::xml::sax;
using namespace ::xmloff::token;
using namespace cppu;
namespace {
enum class SvxXMLTableImportContextEnum { Color, Marker, Dash, Hatch, Gradient, Bitmap };
class SvxXMLTableImportContext : public SvXMLImportContext
{
public:
SvxXMLTableImportContext( SvXMLImport& rImport, SvxXMLTableImportContextEnum eContext, uno::Reference< XNameContainer > xTable,
bool bOOoFormat );
virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL
createFastChildContext(sal_Int32 Element,
const css::uno::Reference< css::xml::sax::XFastAttributeList > & Attribs) override;
protected:
static void importColor( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName );
void importMarker( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName );
void importDash( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName );
void importHatch( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName );
void importBitmap( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName );
private:
uno::Reference< XNameContainer > mxTable;
SvxXMLTableImportContextEnum meContext;
bool mbOOoFormat;
};
}
SvxXMLTableImportContext::SvxXMLTableImportContext( SvXMLImport& rImport, SvxXMLTableImportContextEnum eContext, uno::Reference< XNameContainer > xTable, bool bOOoFormat )
: SvXMLImportContext( rImport ), mxTable(std::move( xTable )), meContext( eContext ),
mbOOoFormat( bOOoFormat )
{
}
namespace
{
// MCGR: Helper ImportContext to be able to parse sub-content
// entries like XMLGradientStopContext which are allowed now
// for importing Gradients
class XMLGradientHelperContext : public SvXMLImportContext
{
private:
uno::Reference< XNameContainer > mxTable;
css::uno::Any maAny;
OUString maStrName;
std::vector<css::awt::ColorStop> maColorStopVec;
public:
XMLGradientHelperContext(
SvXMLImport& rImport,
const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList,
const css::uno::Reference< XNameContainer >& rxTable);
virtual ~XMLGradientHelperContext() override;
virtual css::uno::Reference<css::xml::sax::XFastContextHandler> SAL_CALL createFastChildContext(
sal_Int32 nElement,
const css::uno::Reference<css::xml::sax::XFastAttributeList>& AttrList) override;
virtual void SAL_CALL endFastElement(sal_Int32 nElement) override;
};
XMLGradientHelperContext::XMLGradientHelperContext(
SvXMLImport& rImport,
const uno::Reference< xml::sax::XFastAttributeList >& xAttrList,
const uno::Reference< XNameContainer >& rxTable)
: SvXMLImportContext(rImport),
mxTable(rxTable)
{
try
{
// Import GradientStyle
XMLGradientStyleImport aGradientStyle( GetImport() );
aGradientStyle.importXML( xAttrList, maAny, maStrName );
}
catch (const uno::Exception&)
{
DBG_UNHANDLED_EXCEPTION("svx");
}
}
XMLGradientHelperContext::~XMLGradientHelperContext()
{
// if GradientStyle was imported, add to List
if( !maStrName.isEmpty() && maAny.hasValue() )
{
if( mxTable->hasByName( maStrName ) )
{
mxTable->replaceByName( maStrName, maAny );
}
else
{
mxTable->insertByName( maStrName, maAny );
}
}
}
css::uno::Reference<css::xml::sax::XFastContextHandler> XMLGradientHelperContext::createFastChildContext(
sal_Int32 nElement,
const css::uno::Reference<css::xml::sax::XFastAttributeList>& xAttrList)
{
// be prepared & import GradientStop entries
if (nElement == XML_ELEMENT(LO_EXT, xmloff::token::XML_GRADIENT_STOP))
{
return new XMLGradientStopContext(GetImport(), nElement, xAttrList, maColorStopVec);
}
return nullptr;
}
void XMLGradientHelperContext::endFastElement(sal_Int32 )
{
// correcting invalid StopOffset values is done at the model. Therefore we import them here
// without any change.
if (!maColorStopVec.empty())
{
awt::Gradient2 aGradient;
maAny >>= aGradient;
aGradient.ColorStops = comphelper::containerToSequence(maColorStopVec);
maAny <<= aGradient;
}
}
}
css::uno::Reference< css::xml::sax::XFastContextHandler >
SvxXMLTableImportContext::createFastChildContext(sal_Int32 nElement,
const css::uno::Reference< css::xml::sax::XFastAttributeList > & rAttrList)
{
if( !(IsTokenInNamespace(nElement, XML_NAMESPACE_DRAW) ||
IsTokenInNamespace(nElement, XML_NAMESPACE_DRAW_OOO) ))
return nullptr;
std::vector<std::pair<sal_Int32, OString>> aTmpAttrList;
for (auto& aIter : sax_fastparser::castToFastAttributeList( rAttrList ))
aTmpAttrList.push_back({aIter.getToken(), OString(aIter.toCString())});
if( mbOOoFormat &&
(SvxXMLTableImportContextEnum::Dash == meContext || SvxXMLTableImportContextEnum::Hatch == meContext ||
SvxXMLTableImportContextEnum::Bitmap == meContext) )
{
for( auto & aIter : aTmpAttrList )
{
sal_Int32 aLocalAttr = aIter.first & TOKEN_MASK;
if( aIter.first == XML_ELEMENT(XLINK, XML_HREF) &&
SvxXMLTableImportContextEnum::Bitmap == meContext )
{
OString& rValue = aIter.second;
if( !rValue.isEmpty() && '#' == rValue[0] )
rValue = rValue.copy( 1 );
}
else if( (IsTokenInNamespace(aIter.first, XML_NAMESPACE_DRAW) || IsTokenInNamespace(aIter.first, XML_NAMESPACE_DRAW_OOO)) &&
( ( SvxXMLTableImportContextEnum::Dash == meContext &&
( aLocalAttr == XML_DOTS1_LENGTH ||
aLocalAttr == XML_DOTS2_LENGTH ||
aLocalAttr == XML_DISTANCE ) ) ||
( SvxXMLTableImportContextEnum::Hatch == meContext &&
( aLocalAttr == XML_DISTANCE ) ) ) )
{
OString& rValue = aIter.second;
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]) )
{
rValue = rValue.copy( 0, nPos-2 );
}
}
}
}
if (nElement == XML_ELEMENT(DRAW, XML_GRADIENT))
{
// MCGR: for Gradients, no longer use fixed import but use an own
// ImportContext to be able to import now possible sub-entries like
// ColorStop entries
return new XMLGradientHelperContext( GetImport(), rAttrList, mxTable );
}
try
{
rtl::Reference<sax_fastparser::FastAttributeList> xFastList = new sax_fastparser::FastAttributeList(nullptr);
for (const auto& aIter : aTmpAttrList)
xFastList->add(aIter.first, aIter.second);
Any aAny;
OUString aName;
switch( meContext )
{
case SvxXMLTableImportContextEnum::Color:
importColor( xFastList, aAny, aName );
break;
case SvxXMLTableImportContextEnum::Marker:
importMarker( xFastList, aAny, aName );
break;
case SvxXMLTableImportContextEnum::Dash:
importDash( xFastList, aAny, aName );
break;
case SvxXMLTableImportContextEnum::Hatch:
importHatch( xFastList, aAny, aName );
break;
case SvxXMLTableImportContextEnum::Bitmap:
importBitmap( xFastList, aAny, aName );
break;
default:
// SvxXMLTableImportContextEnum::Gradient
// is no longer imported as 'fixed content'
// but dynamically using an own ImportContext
break;
}
if( !aName.isEmpty() && aAny.hasValue() )
{
if( mxTable->hasByName( aName ) )
{
mxTable->replaceByName( aName, aAny );
}
else
{
mxTable->insertByName( aName, aAny );
}
}
}
catch (const uno::Exception&)
{
DBG_UNHANDLED_EXCEPTION("svx");
}
return new SvXMLImportContext( GetImport() );
}
void SvxXMLTableImportContext::importColor( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
for (auto& aIter : sax_fastparser::castToFastAttributeList( xAttrList ))
{
switch (aIter.getToken())
{
case XML_ELEMENT(DRAW, XML_NAME):
case XML_ELEMENT(DRAW_OOO, XML_NAME):
rName = aIter.toString();
break;
case XML_ELEMENT(DRAW, XML_COLOR):
case XML_ELEMENT(DRAW_OOO, XML_COLOR):
{
sal_Int32 nColor(0);
::sax::Converter::convertColor(nColor, aIter.toView());
rAny <<= nColor;
break;
}
default:
XMLOFF_WARN_UNKNOWN("xmloff", aIter);
}
}
}
void SvxXMLTableImportContext::importMarker( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
try
{
XMLMarkerStyleImport aMarkerStyle( GetImport() );
aMarkerStyle.importXML( xAttrList, rAny, rName );
}
catch (const Exception&)
{
TOOLS_WARN_EXCEPTION("svx", "");
}
}
void SvxXMLTableImportContext::importDash( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
try
{
XMLDashStyleImport aDashStyle( GetImport() );
aDashStyle.importXML( xAttrList, rAny, rName );
}
catch (const Exception&)
{
TOOLS_WARN_EXCEPTION("svx", "");
}
}
void SvxXMLTableImportContext::importHatch( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
try
{
XMLHatchStyleImport aHatchStyle( GetImport() );
aHatchStyle.importXML( xAttrList, rAny, rName );
}
catch (const Exception&)
{
TOOLS_WARN_EXCEPTION("svx", "");
}
}
void SvxXMLTableImportContext::importBitmap( const uno::Reference< XFastAttributeList >& xAttrList, Any& rAny, OUString& rName )
{
try
{
uno::Any aGraphicAny;
XMLImageStyle::importXML(xAttrList, aGraphicAny, rName, GetImport());
if (aGraphicAny.has<uno::Reference<graphic::XGraphic>>())
{
auto xGraphic = aGraphicAny.get<uno::Reference<graphic::XGraphic>>();
uno::Reference<awt::XBitmap> xBitmap(xGraphic, uno::UNO_QUERY);
if (xBitmap.is())
rAny <<= xBitmap;
}
}
catch (const Exception&)
{
TOOLS_WARN_EXCEPTION("svx", "");
}
}
SvxXMLXTableImport::SvxXMLXTableImport(
const css::uno::Reference< css::uno::XComponentContext >& rContext,
const uno::Reference< XNameContainer > & rTable,
uno::Reference<XGraphicStorageHandler> const & xGraphicStorageHandler)
: SvXMLImport(rContext, u""_ustr, SvXMLImportFlags::NONE),
mrTable( rTable )
{
SetGraphicStorageHandler(xGraphicStorageHandler);
GetNamespaceMap().Add( GetXMLToken(XML_NP_OOO), GetXMLToken(XML_N_OOO), XML_NAMESPACE_OOO);
GetNamespaceMap().Add( GetXMLToken(XML_NP_OFFICE), GetXMLToken(XML_N_OFFICE), XML_NAMESPACE_OFFICE);
GetNamespaceMap().Add( GetXMLToken(XML_NP_DRAW), GetXMLToken(XML_N_DRAW), XML_NAMESPACE_DRAW);
GetNamespaceMap().Add( GetXMLToken(XML_NP_XLINK), GetXMLToken(XML_N_XLINK), XML_NAMESPACE_XLINK);
GetNamespaceMap().Add( u"__ooo"_ustr, GetXMLToken(XML_N_OOO), XML_NAMESPACE_OOO );
GetNamespaceMap().Add( u"__xlink"_ustr, GetXMLToken(XML_N_XLINK), XML_NAMESPACE_XLINK );
// OOo namespaces for reading OOo 1.1 files
GetNamespaceMap().Add( u"___office"_ustr,
GetXMLToken(XML_N_OFFICE_OOO),
XML_NAMESPACE_OFFICE );
GetNamespaceMap().Add( u"___draw"_ustr,
GetXMLToken(XML_N_DRAW_OOO),
XML_NAMESPACE_DRAW );
GetNamespaceMap().Add( u"___loext"_ustr,
GetXMLToken(XML_N_LO_EXT),
XML_NAMESPACE_LO_EXT);
}
SvxXMLXTableImport::~SvxXMLXTableImport() noexcept
{
}
static void openStorageStream( xml::sax::InputSource *pParserInput,
rtl::Reference<SvXMLGraphicHelper>& rxGraphicHelper,
const uno::Reference < embed::XStorage >& xStorage )
{
uno::Reference < io::XStream > xIStm( xStorage->openStreamElement( u"Content.xml"_ustr, embed::ElementModes::READ ), uno::UNO_SET_THROW );
pParserInput->aInputStream = xIStm->getInputStream();
rxGraphicHelper = SvXMLGraphicHelper::Create( xStorage, SvXMLGraphicHelperMode::Read );
}
bool SvxXMLXTableImport::load( const OUString &rPath, const OUString &rReferer,
const uno::Reference < embed::XStorage > &xStorage,
const uno::Reference< XNameContainer >& xTable,
bool *bOptLoadedFromStorage ) noexcept
{
bool bRet = true;
rtl::Reference<SvXMLGraphicHelper> xGraphicHelper;
INetURLObject aURLObj( rPath );
bool bUseStorage = aURLObj.GetProtocol() == INetProtocol::NotValid; // a relative path
try
{
const uno::Reference<uno::XComponentContext>& xContext( ::comphelper::getProcessComponentContext() );
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_SET_THROW );
openStorageStream( &aParserInput, xGraphicHelper, 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, xGraphicHelper, xSubStorage );
else
{
css::uno::Reference< css::io::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<XGraphicStorageHandler> xGraphicStorageHandler;
if (xGraphicHelper.is())
xGraphicStorageHandler = xGraphicHelper.get();
try
{
uno::Reference< io::XSeekable > xSeek( aParserInput.aInputStream, uno::UNO_QUERY );
if (xSeek)
xSeek->seek( 0 );
}
catch (const uno::Exception&)
{
}
rtl::Reference<SvxXMLXTableImport> xImport(new SvxXMLXTableImport(xContext, xTable, xGraphicStorageHandler));
xImport->parseStream( aParserInput );
if( xGraphicHelper )
xGraphicHelper->dispose();
}
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::CreateFastContext( sal_Int32 nElement,
const ::css::uno::Reference< ::css::xml::sax::XFastAttributeList >& /*xAttrList*/ )
{
if( IsTokenInNamespace(nElement, XML_NAMESPACE_OOO) ||
IsTokenInNamespace(nElement, XML_NAMESPACE_OFFICE) ||
IsTokenInNamespace(nElement, XML_NAMESPACE_OFFICE_OOO) )
{
bool bOOoFormat = IsTokenInNamespace(nElement, XML_NAMESPACE_OFFICE) ||
IsTokenInNamespace(nElement, XML_NAMESPACE_OFFICE_OOO);
Type aType = mrTable->getElementType();
sal_Int32 nToken = nElement & TOKEN_MASK;
if ( nToken == XML_COLOR_TABLE )
{
if( aType == ::cppu::UnoType<sal_Int32>::get() )
return new SvxXMLTableImportContext( *this, SvxXMLTableImportContextEnum::Color, mrTable, bOOoFormat );
}
else if ( nToken == XML_MARKER_TABLE )
{
if( aType == cppu::UnoType<drawing::PolyPolygonBezierCoords>::get())
return new SvxXMLTableImportContext( *this, SvxXMLTableImportContextEnum::Marker, mrTable, bOOoFormat );
}
else if ( nToken == XML_DASH_TABLE )
{
if( aType == cppu::UnoType<drawing::LineDash>::get())
return new SvxXMLTableImportContext( *this, SvxXMLTableImportContextEnum::Dash, mrTable, bOOoFormat );
}
else if ( nToken == XML_HATCH_TABLE )
{
if( aType == cppu::UnoType<drawing::Hatch>::get())
return new SvxXMLTableImportContext( *this, SvxXMLTableImportContextEnum::Hatch, mrTable, bOOoFormat );
}
else if ( nToken == XML_GRADIENT_TABLE )
{
if( aType == cppu::UnoType<awt::Gradient>::get())
return new SvxXMLTableImportContext( *this, SvxXMLTableImportContextEnum::Gradient, mrTable, bOOoFormat );
}
else if ( nToken == XML_BITMAP_TABLE )
{
if( aType == ::cppu::UnoType<awt::XBitmap>::get())
return new SvxXMLTableImportContext( *this, SvxXMLTableImportContextEnum::Bitmap, mrTable, bOOoFormat );
}
}
return nullptr;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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