Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 313 insertions, 0 deletions

diff --git a/ucb/source/ucp/ext/ucpext_datasupplier.cxx b/ucb/source/ucp/ext/ucpext_datasupplier.cxx
new file mode 100644
index 000000000..3c515358f
--- /dev/null
+++ b/ucb/source/ucp/ext/ucpext_datasupplier.cxx
@@ -0,0 +1,313 @@
+/* -*- 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 "ucpext_datasupplier.hxx"
+#include "ucpext_content.hxx"
+#include "ucpext_provider.hxx"
+
+#include <com/sun/star/deployment/PackageInformationProvider.hpp>
+#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
+#include <o3tl/string_view.hxx>
+#include <ucbhelper/contentidentifier.hxx>
+#include <ucbhelper/providerhelper.hxx>
+#include <ucbhelper/content.hxx>
+#include <ucbhelper/propertyvalueset.hxx>
+#include <tools/diagnose_ex.h>
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+
+#include <memory>
+#include <string_view>
+
+
+namespace ucb::ucp::ext
+{
+
+
+    using ::com::sun::star::uno::Reference;
+    using ::com::sun::star::uno::UNO_QUERY_THROW;
+    using ::com::sun::star::uno::UNO_SET_THROW;
+    using ::com::sun::star::uno::Exception;
+    using ::com::sun::star::uno::Sequence;
+    using ::com::sun::star::uno::XComponentContext;
+    using ::com::sun::star::ucb::XContent;
+    using ::com::sun::star::ucb::XContentIdentifier;
+    using ::com::sun::star::sdbc::XRow;
+    using ::com::sun::star::ucb::IllegalIdentifierException;
+    using ::com::sun::star::deployment::PackageInformationProvider;
+    using ::com::sun::star::deployment::XPackageInformationProvider;
+    using ::com::sun::star::sdbc::XResultSet;
+
+
+    //= helper
+
+    namespace
+    {
+        OUString lcl_compose( std::u16string_view i_rBaseURL, const OUString& i_rRelativeURL )
+        {
+            ENSURE_OR_RETURN( !i_rBaseURL.empty(), "illegal base URL", i_rRelativeURL );
+
+            OUStringBuffer aComposer( i_rBaseURL );
+            if ( !o3tl::ends_with(i_rBaseURL, u"/") )
+                aComposer.append( '/' );
+            aComposer.append( i_rRelativeURL );
+            return aComposer.makeStringAndClear();
+        }
+    }
+
+
+    //= DataSupplier
+
+
+    DataSupplier::DataSupplier( const Reference< XComponentContext >& rxContext,
+                                const ::rtl::Reference< Content >& i_rContent )
+        :m_xContent( i_rContent )
+        ,m_xContext( rxContext )
+    {
+    }
+
+
+    void DataSupplier::fetchData()
+    {
+        try
+        {
+            const Reference< XPackageInformationProvider > xPackageInfo = PackageInformationProvider::get( m_xContext );
+
+            const OUString sContentIdentifier( m_xContent->getIdentifier()->getContentIdentifier() );
+
+            switch ( m_xContent->getExtensionContentType() )
+            {
+            case E_ROOT:
+            {
+                const Sequence< Sequence< OUString > > aExtensionInfo( xPackageInfo->getExtensionList() );
+                for ( auto const & extInfo : aExtensionInfo )
+                {
+                    if ( !extInfo.hasElements() )
+                    {
+                        SAL_WARN( "ucb.ucp.ext", "illegal extension info" );
+                        continue;
+                    }
+
+                    const OUString& rLocalId = extInfo[0];
+                    ResultListEntry aEntry;
+                    aEntry.sId = ContentProvider::getRootURL() + Content::encodeIdentifier( rLocalId ) + "/";
+                    m_aResults.push_back( aEntry );
+                }
+            }
+            break;
+            case E_EXTENSION_ROOT:
+            case E_EXTENSION_CONTENT:
+            {
+                const OUString sPackageLocation( m_xContent->getPhysicalURL() );
+                ::ucbhelper::Content aWrappedContent( sPackageLocation, getResultSet()->getEnvironment(), m_xContext );
+
+                // obtain the properties which our result set is set up for from the wrapped content
+                Sequence< OUString > aPropertyNames { "Title" };
+
+                const Reference< XResultSet > xFolderContent( aWrappedContent.createCursor( aPropertyNames ), UNO_SET_THROW );
+                const Reference< XRow > xContentRow( xFolderContent, UNO_QUERY_THROW );
+                while ( xFolderContent->next() )
+                {
+                    ResultListEntry aEntry;
+                    aEntry.sId = lcl_compose( sContentIdentifier, xContentRow->getString( 1 ) );
+                    m_aResults.push_back( aEntry );
+                }
+            }
+            break;
+            default:
+                OSL_FAIL( "DataSupplier::fetchData: unimplemented content type!" );
+                break;
+            }
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("ucb.ucp.ext");
+        }
+    }
+
+
+    DataSupplier::~DataSupplier()
+    {
+    }
+
+
+    OUString DataSupplier::queryContentIdentifierString( sal_uInt32 i_nIndex )
+    {
+        ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
+
+        if ( i_nIndex < m_aResults.size() )
+        {
+            const OUString sId = m_aResults[ i_nIndex ].sId;
+            if ( !sId.isEmpty() )
+                return sId;
+        }
+
+        OSL_FAIL( "DataSupplier::queryContentIdentifierString: illegal index, or illegal result entry id!" );
+        return OUString();
+    }
+
+
+    Reference< XContentIdentifier > DataSupplier::queryContentIdentifier( sal_uInt32 i_nIndex )
+    {
+        ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
+
+        if ( i_nIndex < m_aResults.size() )
+        {
+            Reference< XContentIdentifier > xId( m_aResults[ i_nIndex ].xId );
+            if ( xId.is() )
+                return xId;
+        }
+
+        OUString sId = queryContentIdentifierString( i_nIndex );
+        if ( !sId.isEmpty() )
+        {
+            Reference< XContentIdentifier > xId = new ::ucbhelper::ContentIdentifier( sId );
+            m_aResults[ i_nIndex ].xId = xId;
+            return xId;
+        }
+
+        return Reference< XContentIdentifier >();
+    }
+
+
+    Reference< XContent > DataSupplier::queryContent( sal_uInt32 i_nIndex )
+    {
+        ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
+        ENSURE_OR_RETURN( i_nIndex < m_aResults.size(), "illegal index!", nullptr );
+
+
+        ::rtl::Reference< Content > pContent( m_aResults[ i_nIndex ].pContent );
+        if ( pContent.is() )
+            return pContent;
+
+        Reference< XContentIdentifier > xId( queryContentIdentifier( i_nIndex ) );
+        if ( xId.is() )
+        {
+            try
+            {
+                Reference< XContent > xContent( m_xContent->getProvider()->queryContent( xId ) );
+                pContent.set( dynamic_cast< Content* >( xContent.get() ) );
+                OSL_ENSURE( pContent.is() || !xContent.is(), "DataSupplier::queryContent: invalid content implementation!" );
+                m_aResults[ i_nIndex ].pContent = pContent;
+                return pContent;
+
+            }
+            catch ( const IllegalIdentifierException& )
+            {
+                DBG_UNHANDLED_EXCEPTION("ucb.ucp.ext");
+            }
+        }
+
+        return Reference< XContent >();
+    }
+
+
+    bool DataSupplier::getResult( sal_uInt32 i_nIndex )
+    {
+        ::osl::ClearableGuard< ::osl::Mutex > aGuard( m_aMutex );
+
+        // true if result already present.
+        return m_aResults.size() > i_nIndex;
+    }
+
+
+    sal_uInt32 DataSupplier::totalCount()
+    {
+        ::osl::ClearableGuard< ::osl::Mutex > aGuard( m_aMutex );
+        return m_aResults.size();
+    }
+
+
+    sal_uInt32 DataSupplier::currentCount()
+    {
+        return m_aResults.size();
+    }
+
+
+    bool DataSupplier::isCountFinal()
+    {
+        return true;
+    }
+
+
+    Reference< XRow > DataSupplier::queryPropertyValues( sal_uInt32 i_nIndex  )
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+        ENSURE_OR_RETURN( i_nIndex < m_aResults.size(), "DataSupplier::queryPropertyValues: illegal index!", nullptr );
+
+        Reference< XRow > xRow = m_aResults[ i_nIndex ].xRow;
+        if ( xRow.is() )
+            return xRow;
+
+        ENSURE_OR_RETURN( queryContent( i_nIndex ).is(), "could not retrieve the content", nullptr );
+
+        switch ( m_xContent->getExtensionContentType() )
+        {
+        case E_ROOT:
+        {
+            const OUString& rId( m_aResults[ i_nIndex ].sId );
+            const OUString sRootURL( ContentProvider::getRootURL() );
+            OUString sTitle = Content::decodeIdentifier( rId.copy( sRootURL.getLength() ) );
+            if ( sTitle.endsWith("/") )
+                sTitle = sTitle.copy( 0, sTitle.getLength() - 1 );
+            xRow = Content::getArtificialNodePropertyValues( m_xContext, getResultSet()->getProperties(), sTitle );
+        }
+        break;
+
+        case E_EXTENSION_ROOT:
+        case E_EXTENSION_CONTENT:
+        {
+            xRow = m_aResults[ i_nIndex ].pContent->getPropertyValues(
+                getResultSet()->getProperties(), getResultSet()->getEnvironment() );
+        }
+        break;
+        default:
+            OSL_FAIL( "DataSupplier::queryPropertyValues: unhandled case!" );
+            break;
+        }
+
+        m_aResults[ i_nIndex ].xRow = xRow;
+        return xRow;
+    }
+
+
+    void DataSupplier::releasePropertyValues( sal_uInt32 i_nIndex )
+    {
+        ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
+
+        if ( i_nIndex < m_aResults.size() )
+            m_aResults[ i_nIndex ].xRow.clear();
+    }
+
+
+    void DataSupplier::close()
+    {
+    }
+
+
+    void DataSupplier::validate()
+    {
+    }
+
+
+} // namespace ucb::ucp::ext
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */