Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 551 insertions, 0 deletions

diff --git a/svx/source/xml/xmlxtimp.cxx b/svx/source/xml/xmlxtimp.cxx
new file mode 100644
index 0000000000..19c2a66ce1
--- /dev/null
+++ b/svx/source/xml/xmlxtimp.cxx
@@ -0,0 +1,551 @@
+/* -*- 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::lang;
+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, "", 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( "__ooo", GetXMLToken(XML_N_OOO), XML_NAMESPACE_OOO );
+    GetNamespaceMap().Add( "__xlink", GetXMLToken(XML_N_XLINK), XML_NAMESPACE_XLINK );
+
+    // OOo namespaces for reading OOo 1.1 files
+    GetNamespaceMap().Add( "___office",
+                        GetXMLToken(XML_N_OFFICE_OOO),
+                        XML_NAMESPACE_OFFICE );
+    GetNamespaceMap().Add( "___draw",
+                        GetXMLToken(XML_N_DRAW_OOO),
+                        XML_NAMESPACE_DRAW );
+    GetNamespaceMap().Add( "___loext",
+                        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( "Content.xml", 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
+    {
+        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_THROW );
+            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: */