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, 380 insertions, 0 deletions

diff --git a/ucb/source/ucp/tdoc/tdoc_datasupplier.cxx b/ucb/source/ucp/tdoc/tdoc_datasupplier.cxx
new file mode 100644
index 000000000..8873e1da2
--- /dev/null
+++ b/ucb/source/ucp/tdoc/tdoc_datasupplier.cxx
@@ -0,0 +1,380 @@
+/* -*- 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 .
+ */
+
+
+/**************************************************************************
+                                TODO
+ **************************************************************************
+
+ *************************************************************************/
+
+#include <optional>
+
+#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
+#include <com/sun/star/ucb/ResultSetException.hpp>
+#include <osl/diagnose.h>
+#include <ucbhelper/contentidentifier.hxx>
+
+#include "tdoc_datasupplier.hxx"
+#include "tdoc_content.hxx"
+
+using namespace com::sun::star;
+using namespace tdoc_ucp;
+
+namespace tdoc_ucp
+{
+
+
+// struct ResultListEntry.
+
+namespace {
+
+
+}
+
+// struct DataSupplier_Impl.
+
+
+}
+
+// DataSupplier Implementation.
+ResultSetDataSupplier::ResultSetDataSupplier(
+                const uno::Reference< uno::XComponentContext >& rxContext,
+                const rtl::Reference< Content >& rContent )
+: m_xContent( rContent ), m_xContext( rxContext ),
+  m_bCountFinal( false ), m_bThrowException( false )
+{
+}
+
+// virtual
+ResultSetDataSupplier::~ResultSetDataSupplier()
+{
+}
+
+// virtual
+OUString
+ResultSetDataSupplier::queryContentIdentifierString( sal_uInt32 nIndex )
+{
+    osl::Guard< osl::Mutex > aGuard( m_aMutex );
+
+    if ( nIndex < m_aResults.size() )
+    {
+        OUString aId = m_aResults[ nIndex ].aURL;
+        if ( !aId.isEmpty() )
+        {
+            // Already cached.
+            return aId;
+        }
+    }
+
+    if ( getResult( nIndex ) )
+    {
+        // Note: getResult fills m_pImpl->m_aResults[ nIndex ]->aURL.
+        return m_aResults[ nIndex ].aURL;
+    }
+    return OUString();
+}
+
+// virtual
+uno::Reference< ucb::XContentIdentifier >
+ResultSetDataSupplier::queryContentIdentifier( sal_uInt32 nIndex )
+{
+    osl::Guard< osl::Mutex > aGuard( m_aMutex );
+
+    if ( nIndex < m_aResults.size() )
+    {
+        uno::Reference< ucb::XContentIdentifier > xId
+                                = m_aResults[ nIndex ].xId;
+        if ( xId.is() )
+        {
+            // Already cached.
+            return xId;
+        }
+    }
+
+    OUString aId = queryContentIdentifierString( nIndex );
+    if ( !aId.isEmpty() )
+    {
+        uno::Reference< ucb::XContentIdentifier > xId
+            = new ::ucbhelper::ContentIdentifier( aId );
+        m_aResults[ nIndex ].xId = xId;
+        return xId;
+    }
+    return uno::Reference< ucb::XContentIdentifier >();
+}
+
+// virtual
+uno::Reference< ucb::XContent >
+ResultSetDataSupplier::queryContent( sal_uInt32 nIndex )
+{
+    osl::Guard< osl::Mutex > aGuard( m_aMutex );
+
+    if ( nIndex < m_aResults.size() )
+    {
+        uno::Reference< ucb::XContent > xContent
+                                = m_aResults[ nIndex ].xContent;
+        if ( xContent.is() )
+        {
+            // Already cached.
+            return xContent;
+        }
+    }
+
+    uno::Reference< ucb::XContentIdentifier > xId
+        = queryContentIdentifier( nIndex );
+    if ( xId.is() )
+    {
+        try
+        {
+            uno::Reference< ucb::XContent > xContent
+                = m_xContent->getProvider()->queryContent( xId );
+            m_aResults[ nIndex ].xContent = xContent;
+            return xContent;
+
+        }
+        catch ( ucb::IllegalIdentifierException const & )
+        {
+        }
+    }
+    return uno::Reference< ucb::XContent >();
+}
+
+// virtual
+bool ResultSetDataSupplier::getResult( sal_uInt32 nIndex )
+{
+    osl::ClearableGuard< osl::Mutex > aGuard( m_aMutex );
+
+    if ( m_aResults.size() > nIndex )
+    {
+        // Result already present.
+        return true;
+    }
+
+    // Result not (yet) present.
+
+    if ( m_bCountFinal )
+        return false;
+
+    // Try to obtain result...
+
+    sal_uInt32 nOldCount = m_aResults.size();
+    bool bFound = false;
+
+    if ( queryNamesOfChildren() )
+    {
+        for ( sal_uInt32 n = nOldCount;
+              n < sal::static_int_cast<sal_uInt32>(
+                      m_xNamesOfChildren->getLength());
+              ++n )
+        {
+            const OUString & rName
+                = m_xNamesOfChildren->getConstArray()[ n ];
+
+            if ( rName.isEmpty() )
+            {
+                OSL_FAIL( "ResultDataSupplier::getResult - Empty name!" );
+                break;
+            }
+
+            // Assemble URL for child.
+            OUString aURL = assembleChildURL( rName );
+
+            m_aResults.emplace_back( aURL );
+
+            if ( n == nIndex )
+            {
+                // Result obtained.
+                bFound = true;
+                break;
+            }
+        }
+    }
+
+    if ( !bFound )
+        m_bCountFinal = true;
+
+    rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet();
+    if ( xResultSet.is() )
+    {
+        // Callbacks follow!
+        aGuard.clear();
+
+        if ( nOldCount < m_aResults.size() )
+            xResultSet->rowCountChanged( nOldCount, m_aResults.size() );
+
+        if ( m_bCountFinal )
+            xResultSet->rowCountFinal();
+    }
+
+    return bFound;
+}
+
+// virtual
+sal_uInt32 ResultSetDataSupplier::totalCount()
+{
+    osl::ClearableGuard< osl::Mutex > aGuard( m_aMutex );
+
+    if ( m_bCountFinal )
+        return m_aResults.size();
+
+    sal_uInt32 nOldCount = m_aResults.size();
+
+    if ( queryNamesOfChildren() )
+    {
+        for ( sal_uInt32 n = nOldCount;
+              n < sal::static_int_cast<sal_uInt32>(
+                      m_xNamesOfChildren->getLength());
+              ++n )
+        {
+            const OUString & rName
+                = m_xNamesOfChildren->getConstArray()[ n ];
+
+            if ( rName.isEmpty() )
+            {
+                OSL_FAIL( "ResultDataSupplier::getResult - Empty name!" );
+                break;
+            }
+
+            // Assemble URL for child.
+            OUString aURL = assembleChildURL( rName );
+
+            m_aResults.emplace_back( aURL );
+        }
+    }
+
+    m_bCountFinal = true;
+
+    rtl::Reference< ::ucbhelper::ResultSet > xResultSet = getResultSet();
+    if ( xResultSet.is() )
+    {
+        // Callbacks follow!
+        aGuard.clear();
+
+        if ( nOldCount < m_aResults.size() )
+            xResultSet->rowCountChanged( nOldCount, m_aResults.size() );
+
+        xResultSet->rowCountFinal();
+    }
+
+    return m_aResults.size();
+}
+
+// virtual
+sal_uInt32 ResultSetDataSupplier::currentCount()
+{
+    return m_aResults.size();
+}
+
+// virtual
+bool ResultSetDataSupplier::isCountFinal()
+{
+    return m_bCountFinal;
+}
+
+// virtual
+uno::Reference< sdbc::XRow >
+ResultSetDataSupplier::queryPropertyValues( sal_uInt32 nIndex  )
+{
+    osl::Guard< osl::Mutex > aGuard( m_aMutex );
+
+    if ( nIndex < m_aResults.size() )
+    {
+        uno::Reference< sdbc::XRow > xRow = m_aResults[ nIndex ].xRow;
+        if ( xRow.is() )
+        {
+            // Already cached.
+            return xRow;
+        }
+    }
+
+    if ( getResult( nIndex ) )
+    {
+        uno::Reference< sdbc::XRow > xRow = Content::getPropertyValues(
+                        m_xContext,
+                        getResultSet()->getProperties(),
+                        m_xContent->getContentProvider().get(),
+                        queryContentIdentifierString( nIndex ) );
+        m_aResults[ nIndex ].xRow = xRow;
+        return xRow;
+    }
+
+    return uno::Reference< sdbc::XRow >();
+}
+
+// virtual
+void ResultSetDataSupplier::releasePropertyValues( sal_uInt32 nIndex )
+{
+    osl::Guard< osl::Mutex > aGuard( m_aMutex );
+
+    if ( nIndex < m_aResults.size() )
+        m_aResults[ nIndex ].xRow.clear();
+}
+
+// virtual
+void ResultSetDataSupplier::close()
+{
+}
+
+// virtual
+void ResultSetDataSupplier::validate()
+{
+    if ( m_bThrowException )
+        throw ucb::ResultSetException();
+}
+
+bool ResultSetDataSupplier::queryNamesOfChildren()
+{
+    osl::Guard< osl::Mutex > aGuard( m_aMutex );
+
+    if ( !m_xNamesOfChildren )
+    {
+        uno::Sequence< OUString > aNamesOfChildren;
+
+        if ( !m_xContent->getContentProvider()->queryNamesOfChildren(
+                m_xContent->getIdentifier()->getContentIdentifier(),
+                aNamesOfChildren ) )
+        {
+            OSL_FAIL( "Got no list of children!" );
+            m_bThrowException = true;
+            return false;
+        }
+        else
+        {
+            m_xNamesOfChildren = std::move( aNamesOfChildren );
+        }
+    }
+    return true;
+}
+
+OUString
+ResultSetDataSupplier::assembleChildURL( std::u16string_view aName )
+{
+    OUString aContURL
+        = m_xContent->getIdentifier()->getContentIdentifier();
+    OUString aURL( aContURL );
+
+    sal_Int32 nUrlEnd = aURL.lastIndexOf( '/' );
+    if ( nUrlEnd != aURL.getLength() - 1 )
+        aURL += "/";
+
+    aURL += aName;
+    return aURL;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */