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libreoffice/svx/source/xml/xmlxtexp.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

492 lines
16 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 <sal/config.h>
#include <comphelper/diagnose_ex.hxx>
#include <tools/urlobj.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/xml/sax/Writer.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/awt/XBitmap.hpp>
#include <com/sun/star/drawing/Hatch.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <sax/tools/converter.hxx>
#include <sfx2/docfile.hxx>
#include <rtl/ustrbuf.hxx>
#include <xmloff/xmlnamespace.hxx>
#include <xmloff/namespacemap.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 <com/sun/star/embed/XTransactedObject.hpp>
#include <comphelper/processfactory.hxx>
#include <unotools/streamwrap.hxx>
#include <svx/xmlgrhlp.hxx>
#include <xmlxtexp.hxx>
#include <comphelper/storagehelper.hxx>
#include <memory>
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;
using com::sun::star::embed::XTransactedObject;
namespace {
class SvxXMLTableEntryExporter
{
public:
explicit SvxXMLTableEntryExporter( SvXMLExport& rExport ) : mrExport( rExport ) {}
virtual ~SvxXMLTableEntryExporter();
virtual void exportEntry( const OUString& rStrName, const Any& rValue ) = 0;
protected:
SvXMLExport& mrExport;
};
class SvxXMLColorEntryExporter : public SvxXMLTableEntryExporter
{
public:
explicit SvxXMLColorEntryExporter( SvXMLExport& rExport );
virtual void exportEntry( const OUString& rStrName, const Any& rValue ) override;
};
class SvxXMLLineEndEntryExporter : public SvxXMLTableEntryExporter
{
public:
explicit SvxXMLLineEndEntryExporter( SvXMLExport& rExport );
virtual void exportEntry( const OUString& rStrName, const Any& rValue ) override;
private:
XMLMarkerStyleExport maMarkerStyle;
};
class SvxXMLDashEntryExporter : public SvxXMLTableEntryExporter
{
public:
explicit SvxXMLDashEntryExporter( SvXMLExport& rExport );
virtual void exportEntry( const OUString& rStrName, const Any& rValue ) override;
private:
XMLDashStyleExport maDashStyle;
};
class SvxXMLHatchEntryExporter : public SvxXMLTableEntryExporter
{
public:
explicit SvxXMLHatchEntryExporter( SvXMLExport& rExport );
virtual void exportEntry( const OUString& rStrName, const Any& rValue ) override;
private:
XMLHatchStyleExport maHatchStyle;
};
class SvxXMLGradientEntryExporter : public SvxXMLTableEntryExporter
{
public:
explicit SvxXMLGradientEntryExporter( SvXMLExport& rExport );
virtual void exportEntry( const OUString& rStrName, const Any& rValue ) override;
private:
XMLGradientStyleExport maGradientStyle;
};
class SvxXMLBitmapEntryExporter : public SvxXMLTableEntryExporter
{
public:
explicit SvxXMLBitmapEntryExporter( SvXMLExport& rExport );
virtual void exportEntry( const OUString& rStrName, const Any& rValue ) override;
};
}
SvxXMLXTableExportComponent::SvxXMLXTableExportComponent(
const css::uno::Reference< css::uno::XComponentContext >& rContext,
const uno::Reference<xml::sax::XDocumentHandler> & rHandler,
const uno::Reference<container::XNameContainer >& xTable,
uno::Reference<document::XGraphicStorageHandler> const & xGraphicStorageHandler)
: SvXMLExport(rContext, u""_ustr, /*rFileName*/u""_ustr, rHandler, nullptr, FieldUnit::MM_100TH, SvXMLExportFlags::NONE),
mxTable( xTable )
{
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( GetXMLToken(XML_NP_SVG), GetXMLToken(XML_N_SVG), XML_NAMESPACE_SVG );
GetNamespaceMap_().Add( GetXMLToken(XML_NP_LO_EXT), GetXMLToken(XML_N_LO_EXT), XML_NAMESPACE_LO_EXT);
SetGraphicStorageHandler(xGraphicStorageHandler);
}
SvxXMLXTableExportComponent::~SvxXMLXTableExportComponent()
{
}
static void initializeStreamMetadata( const uno::Reference< uno::XInterface > &xOut )
{
uno::Reference< beans::XPropertySet > xProps( xOut, uno::UNO_QUERY );
if( !xProps.is() )
{
OSL_FAIL( "Missing stream metadata interface" );
return;
}
try
{
xProps->setPropertyValue(u"MediaType"_ustr, uno::Any( u"text/xml"_ustr ) );
// use stock encryption
xProps->setPropertyValue(u"UseCommonStoragePasswordEncryption"_ustr, uno::Any( true ) );
} catch ( const uno::Exception & )
{
TOOLS_WARN_EXCEPTION("svx", "exception setting stream metadata");
}
}
static void createStorageStream( uno::Reference < io::XOutputStream > *xOut,
rtl::Reference<SvXMLGraphicHelper>& rxGraphicHelper,
const uno::Reference < embed::XStorage >& xSubStorage )
{
uno::Reference < io::XStream > xStream = xSubStorage->openStreamElement(
u"Content.xml"_ustr,
embed::ElementModes::WRITE );
rxGraphicHelper = SvXMLGraphicHelper::Create( xSubStorage, SvXMLGraphicHelperMode::Write );
initializeStreamMetadata( xStream );
*xOut = xStream->getOutputStream();
}
bool SvxXMLXTableExportComponent::save(
const OUString& rURL,
const uno::Reference<container::XNameContainer >& xTable,
const uno::Reference<embed::XStorage >& xStorage,
OUString *pOptName )
{
bool bRet = false;
std::unique_ptr<SfxMedium> pMedium;
rtl::Reference<SvXMLGraphicHelper> xGraphicHelper;
INetURLObject aURLObj( rURL );
bool bToStorage = aURLObj.GetProtocol() == INetProtocol::NotValid; // a relative path
bool bSaveAsStorage = xTable->getElementType() == cppu::UnoType<awt::XBitmap>::get();
if( pOptName )
*pOptName = rURL;
try
{
const uno::Reference< uno::XComponentContext>& xContext( ::comphelper::getProcessComponentContext() );
uno::Reference< xml::sax::XWriter > xWriter = xml::sax::Writer::create( xContext );
uno::Reference < io::XStream > xStream;
uno::Reference < io::XOutputStream > xOut;
uno::Reference<embed::XStorage > xSubStorage;
uno::Reference<XGraphicStorageHandler> xGraphicStorageHandler;
const sal_Int32 eCreate = embed::ElementModes::WRITE | embed::ElementModes::TRUNCATE;
if( !bToStorage || !xStorage.is() )
{ // local URL -> SfxMedium route
if( bSaveAsStorage )
{
// ideally this should use a ZIP_STORAGE_FORMAT_STRING storage
// but changing it to that could cause problems loading the
// file with an old version of LO that expects to find in the
// user profile a PACKAGE_STORAGE_FORMAT_STRING storage
xSubStorage = ::comphelper::OStorageHelper::GetStorageFromURL( rURL, eCreate );
}
else
{
pMedium.reset(new SfxMedium( rURL, StreamMode::WRITE | StreamMode::TRUNC ));
SvStream* pStream = pMedium->GetOutStream();
if( !pStream )
{
OSL_FAIL( "no output stream!" );
return false;
}
xOut = new utl::OOutputStreamWrapper( *pStream );
}
}
else // save into the xSubStorage
{
OUString aPath = rURL;
if( bSaveAsStorage )
{
try {
xSubStorage = xStorage->openStorageElement( aPath, eCreate );
} catch (uno::Exception &) {
OSL_FAIL( "no output storage!" );
return false;
}
}
else
{
aPath += ".xml";
try {
xStream = xStorage->openStreamElement( aPath, eCreate );
if( !xStream.is() )
return false;
initializeStreamMetadata( xStream );
xOut = xStream->getOutputStream();
} catch (uno::Exception &) {
OSL_FAIL( "no output stream!" );
return false;
}
if( pOptName )
*pOptName = aPath;
}
}
if( !xOut.is() && xSubStorage.is() )
createStorageStream( &xOut, xGraphicHelper, xSubStorage );
if( !xOut.is() )
return false;
xWriter->setOutputStream( xOut );
if( xGraphicHelper.is() )
xGraphicStorageHandler = xGraphicHelper.get();
// Finally do the export
rtl::Reference< SvxXMLXTableExportComponent > xExporter( new SvxXMLXTableExportComponent( xContext, xWriter, xTable, xGraphicStorageHandler ) );
bRet = xExporter->exportTable();
if( xGraphicHelper )
xGraphicHelper->dispose();
xGraphicHelper.clear();
if( xSubStorage.is() )
{
uno::Reference< XTransactedObject > xTrans( xSubStorage, UNO_QUERY );
if( xTrans.is() )
xTrans->commit();
xSubStorage->dispose();
}
}
catch( uno::Exception& )
{
bRet = false;
}
if( pMedium )
pMedium->Commit();
return bRet;
}
bool SvxXMLXTableExportComponent::exportTable() noexcept
{
bool bRet = false;
try
{
GetDocHandler()->startDocument();
addChaffWhenEncryptedStorage();
// export namespaces
sal_uInt16 nPos = GetNamespaceMap().GetFirstKey();
while( USHRT_MAX != nPos )
{
GetAttrList().AddAttribute( GetNamespaceMap().GetAttrNameByKey( nPos ), GetNamespaceMap().GetNameByKey( nPos ) );
nPos = GetNamespaceMap().GetNextKey( nPos );
}
do
{
if( !mxTable.is() )
break;
OUString pEleName;
Type aExportType = mxTable->getElementType();
std::unique_ptr<SvxXMLTableEntryExporter> pExporter;
if( aExportType == cppu::UnoType<sal_Int32>::get() )
{
pExporter.reset(new SvxXMLColorEntryExporter(*this));
pEleName = u"color-table"_ustr;
}
else if( aExportType == cppu::UnoType< drawing::PolyPolygonBezierCoords >::get() )
{
pExporter.reset(new SvxXMLLineEndEntryExporter(*this));
pEleName = u"marker-table"_ustr;
}
else if( aExportType == cppu::UnoType< drawing::LineDash >::get() )
{
pExporter.reset(new SvxXMLDashEntryExporter(*this));
pEleName = u"dash-table"_ustr;
}
else if( aExportType == cppu::UnoType< drawing::Hatch >::get() )
{
pExporter.reset(new SvxXMLHatchEntryExporter(*this));
pEleName = u"hatch-table"_ustr;
}
else if( aExportType == cppu::UnoType< awt::Gradient >::get() )
{
pExporter.reset(new SvxXMLGradientEntryExporter(*this));
pEleName = u"gradient-table"_ustr;
}
else if( aExportType == cppu::UnoType<awt::XBitmap>::get())
{
pExporter.reset(new SvxXMLBitmapEntryExporter(*this));
pEleName = u"bitmap-table"_ustr;
}
else
{
OSL_FAIL( "unknown type for export");
break;
}
SvXMLElementExport aElem( *this, XML_NAMESPACE_OOO, pEleName, true, true );
const Sequence< OUString > aNames = mxTable->getElementNames();
Any aAny;
for( const OUString& rName : aNames )
{
aAny = mxTable->getByName( rName );
pExporter->exportEntry( rName, aAny );
}
bRet = true;
}
while(false);
GetDocHandler()->endDocument();
}
catch( Exception const& )
{
bRet = false;
}
return bRet;
}
// methods without content:
void SvxXMLXTableExportComponent::ExportAutoStyles_() {}
void SvxXMLXTableExportComponent::ExportMasterStyles_() {}
void SvxXMLXTableExportComponent::ExportContent_() {}
SvxXMLTableEntryExporter::~SvxXMLTableEntryExporter()
{
}
SvxXMLColorEntryExporter::SvxXMLColorEntryExporter( SvXMLExport& rExport )
: SvxXMLTableEntryExporter( rExport )
{
}
void SvxXMLColorEntryExporter::exportEntry( const OUString& rStrName, const Any& rValue )
{
mrExport.AddAttribute( XML_NAMESPACE_DRAW, XML_NAME, rStrName );
sal_Int32 nColor = 0;
rValue >>= nColor;
OUStringBuffer aOut;
::sax::Converter::convertColor( aOut, nColor );
mrExport.AddAttribute( XML_NAMESPACE_DRAW, XML_COLOR, aOut.makeStringAndClear() );
SvXMLElementExport aElem( mrExport, XML_NAMESPACE_DRAW, XML_COLOR, true, true );
}
SvxXMLLineEndEntryExporter::SvxXMLLineEndEntryExporter( SvXMLExport& rExport )
: SvxXMLTableEntryExporter( rExport ), maMarkerStyle( rExport )
{
}
void SvxXMLLineEndEntryExporter::exportEntry( const OUString& rStrName, const Any& rValue )
{
maMarkerStyle.exportXML( rStrName, rValue );
}
SvxXMLDashEntryExporter::SvxXMLDashEntryExporter( SvXMLExport& rExport )
: SvxXMLTableEntryExporter( rExport ), maDashStyle( rExport )
{
}
void SvxXMLDashEntryExporter::exportEntry( const OUString& rStrName, const Any& rValue )
{
maDashStyle.exportXML( rStrName, rValue );
}
SvxXMLHatchEntryExporter::SvxXMLHatchEntryExporter( SvXMLExport& rExport )
: SvxXMLTableEntryExporter( rExport ), maHatchStyle( rExport )
{
}
void SvxXMLHatchEntryExporter::exportEntry( const OUString& rStrName, const Any& rValue )
{
maHatchStyle.exportXML( rStrName, rValue );
}
SvxXMLGradientEntryExporter::SvxXMLGradientEntryExporter( SvXMLExport& rExport )
: SvxXMLTableEntryExporter( rExport ), maGradientStyle( rExport )
{
}
void SvxXMLGradientEntryExporter::exportEntry( const OUString& rStrName, const Any& rValue )
{
maGradientStyle.exportXML( rStrName, rValue );
}
SvxXMLBitmapEntryExporter::SvxXMLBitmapEntryExporter( SvXMLExport& rExport )
: SvxXMLTableEntryExporter( rExport )
{
}
void SvxXMLBitmapEntryExporter::exportEntry( const OUString& rStrName, const Any& rValue )
{
XMLImageStyle::exportXML(rStrName, rValue, mrExport);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */