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, 702 insertions, 0 deletions

diff --git a/sot/source/unoolestorage/xolesimplestorage.cxx b/sot/source/unoolestorage/xolesimplestorage.cxx
new file mode 100644
index 000000000..49a785ed5
--- /dev/null
+++ b/sot/source/unoolestorage/xolesimplestorage.cxx
@@ -0,0 +1,702 @@
+/* -*- 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 "xolesimplestorage.hxx"
+
+#include <com/sun/star/embed/OLESimpleStorage.hpp>
+#include <com/sun/star/lang/DisposedException.hpp>
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <com/sun/star/io/IOException.hpp>
+#include <com/sun/star/io/XStream.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/io/XSeekable.hpp>
+#include <com/sun/star/io/XTruncate.hpp>
+#include <com/sun/star/io/TempFile.hpp>
+
+#include <comphelper/storagehelper.hxx>
+#include <unotools/ucbstreamhelper.hxx>
+#include <cppuhelper/exc_hlp.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <sot/stg.hxx>
+#include <sot/storinfo.hxx>
+#include <utility>
+
+using namespace ::com::sun::star;
+
+const sal_Int32 nBytesCount = 32000;
+
+
+OLESimpleStorage::OLESimpleStorage(
+        css::uno::Reference<css::uno::XComponentContext> xContext,
+        css::uno::Sequence<css::uno::Any> const &aArguments)
+: m_bDisposed( false )
+, m_pListenersContainer( nullptr )
+, m_xContext(std::move( xContext ))
+, m_bNoTemporaryCopy( false )
+{
+    sal_Int32 nArgNum = aArguments.getLength();
+    if ( nArgNum < 1 || nArgNum > 2 )
+        throw lang::IllegalArgumentException(); // TODO:
+
+    uno::Reference< io::XStream > xStream;
+    uno::Reference< io::XInputStream > xInputStream;
+    if ( !( aArguments[0] >>= xStream ) && !( aArguments[0] >>= xInputStream ) )
+        throw lang::IllegalArgumentException(); // TODO:
+
+    if ( nArgNum == 2 )
+    {
+        if ( !( aArguments[1] >>= m_bNoTemporaryCopy ) )
+            throw lang::IllegalArgumentException(); // TODO:
+    }
+
+    if ( m_bNoTemporaryCopy )
+    {
+        // TODO: ???
+        // If the temporary stream is not created, the original stream must be wrapped
+        // since SvStream wrapper closes the stream is owns
+        if ( xInputStream.is() )
+        {
+            // the stream must be seekable for direct access
+            uno::Reference< io::XSeekable > xSeek( xInputStream, uno::UNO_QUERY_THROW );
+            m_pStream = ::utl::UcbStreamHelper::CreateStream( xInputStream, false );
+        }
+        else if ( xStream.is() )
+        {
+            // the stream must be seekable for direct access
+            uno::Reference< io::XSeekable > xSeek( xStream, uno::UNO_QUERY_THROW );
+            m_pStream = ::utl::UcbStreamHelper::CreateStream( xStream, false );
+        }
+        else
+            throw lang::IllegalArgumentException(); // TODO:
+    }
+    else
+    {
+        uno::Reference < io::XStream > xTempFile( io::TempFile::create(m_xContext),
+                uno::UNO_QUERY_THROW );
+        uno::Reference < io::XSeekable > xTempSeek( xTempFile, uno::UNO_QUERY_THROW );
+        uno::Reference< io::XOutputStream > xTempOut = xTempFile->getOutputStream();
+        if ( !xTempOut.is() )
+            throw uno::RuntimeException();
+
+        if ( xInputStream.is() )
+        {
+            try
+            {
+                uno::Reference< io::XSeekable > xSeek( xInputStream, uno::UNO_QUERY_THROW );
+                xSeek->seek( 0 );
+            }
+            catch( uno::Exception& )
+            {}
+
+            ::comphelper::OStorageHelper::CopyInputToOutput( xInputStream, xTempOut );
+            xTempOut->closeOutput();
+            xTempSeek->seek( 0 );
+            uno::Reference< io::XInputStream > xTempInput = xTempFile->getInputStream();
+            m_pStream = ::utl::UcbStreamHelper::CreateStream( xTempInput, false );
+        }
+        else if ( xStream.is() )
+        {
+            // not sure that the storage flashes the stream on commit
+            m_xStream = xStream;
+            m_xTempStream = xTempFile;
+
+            uno::Reference< io::XSeekable > xSeek( xStream, uno::UNO_QUERY_THROW );
+            xSeek->seek( 0 );
+            uno::Reference< io::XInputStream > xInpStream = xStream->getInputStream();
+            if ( !xInpStream.is() || !xStream->getOutputStream().is() )
+                throw uno::RuntimeException();
+
+            ::comphelper::OStorageHelper::CopyInputToOutput( xInpStream, xTempOut );
+            xTempOut->flush();
+            xTempSeek->seek( 0 );
+
+            m_pStream = ::utl::UcbStreamHelper::CreateStream( xTempFile, false );
+        }
+        else
+            throw lang::IllegalArgumentException(); // TODO:
+    }
+
+    if ( !m_pStream || m_pStream->GetError() )
+        throw io::IOException(); // TODO
+
+    m_pStorage.reset(new Storage( *m_pStream, false ));
+}
+
+OLESimpleStorage::~OLESimpleStorage()
+{
+    try {
+        osl_atomic_increment(&m_refCount);
+        dispose();
+    } catch( uno::Exception& )
+    {}
+
+    if ( m_pListenersContainer )
+    {
+        delete m_pListenersContainer;
+        m_pListenersContainer = nullptr;
+    }
+}
+
+void OLESimpleStorage::UpdateOriginal_Impl()
+{
+    if ( m_bNoTemporaryCopy )
+        return;
+
+    uno::Reference< io::XSeekable > xSeek( m_xStream, uno::UNO_QUERY_THROW );
+    xSeek->seek( 0 );
+
+    uno::Reference< io::XSeekable > xTempSeek( m_xTempStream, uno::UNO_QUERY_THROW );
+    sal_Int64 nPos = xTempSeek->getPosition();
+    xTempSeek->seek( 0 );
+
+    uno::Reference< io::XInputStream > xTempInp = m_xTempStream->getInputStream();
+    uno::Reference< io::XOutputStream > xOutputStream = m_xStream->getOutputStream();
+    if ( !xTempInp.is() || !xOutputStream.is() )
+        throw uno::RuntimeException();
+
+    uno::Reference< io::XTruncate > xTrunc( xOutputStream, uno::UNO_QUERY_THROW );
+    xTrunc->truncate();
+
+    ::comphelper::OStorageHelper::CopyInputToOutput( xTempInp, xOutputStream );
+    xOutputStream->flush();
+    xTempSeek->seek( nPos );
+}
+
+
+void OLESimpleStorage::InsertInputStreamToStorage_Impl( BaseStorage* pStorage, const OUString & aName, const uno::Reference< io::XInputStream >& xInputStream )
+{
+    if ( !pStorage || aName.isEmpty() || !xInputStream.is() )
+        throw uno::RuntimeException();
+
+    if ( pStorage->IsContained( aName ) )
+        throw container::ElementExistException(); // TODO:
+
+    std::unique_ptr<BaseStorageStream> pNewStream(pStorage->OpenStream( aName ));
+    if ( !pNewStream || pNewStream->GetError() || pStorage->GetError() )
+    {
+        pNewStream.reset();
+        pStorage->ResetError();
+        throw io::IOException(); // TODO
+    }
+
+    try
+    {
+        uno::Sequence< sal_Int8 > aData( nBytesCount );
+        sal_Int32 nRead = 0;
+        do
+        {
+            nRead = xInputStream->readBytes( aData, nBytesCount );
+
+            sal_Int32 nWritten = pNewStream->Write( aData.getConstArray(), nRead );
+            if ( nWritten < nRead )
+                throw io::IOException();
+        } while( nRead == nBytesCount );
+    }
+    catch( uno::Exception& )
+    {
+        pNewStream.reset();
+        pStorage->Remove( aName );
+
+        throw;
+    }
+}
+
+
+void OLESimpleStorage::InsertNameAccessToStorage_Impl( BaseStorage* pStorage, const OUString & aName, const uno::Reference< container::XNameAccess >& xNameAccess )
+{
+    if ( !pStorage || aName.isEmpty() || !xNameAccess.is() )
+        throw uno::RuntimeException();
+
+    if ( pStorage->IsContained( aName ) )
+        throw container::ElementExistException(); // TODO:
+
+    std::unique_ptr<BaseStorage> pNewStorage(pStorage->OpenStorage( aName ));
+    if ( !pNewStorage || pNewStorage->GetError() || pStorage->GetError() )
+    {
+        pNewStorage.reset();
+        pStorage->ResetError();
+        throw io::IOException(); // TODO
+    }
+
+    try
+    {
+        const uno::Sequence< OUString > aElements = xNameAccess->getElementNames();
+        for ( const auto& rElement : aElements )
+        {
+            uno::Reference< io::XInputStream > xInputStream;
+            uno::Reference< container::XNameAccess > xSubNameAccess;
+            uno::Any aAny = xNameAccess->getByName( rElement );
+            if ( aAny >>= xInputStream )
+                InsertInputStreamToStorage_Impl( pNewStorage.get(), rElement, xInputStream );
+            else if ( aAny >>= xSubNameAccess )
+                InsertNameAccessToStorage_Impl( pNewStorage.get(), rElement, xSubNameAccess );
+        }
+    }
+    catch( uno::Exception& )
+    {
+        pNewStorage.reset();
+        pStorage->Remove( aName );
+
+        throw;
+    }
+}
+
+
+//  XNameContainer
+
+
+void SAL_CALL OLESimpleStorage::insertByName( const OUString& aName, const uno::Any& aElement )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pStorage )
+        throw uno::RuntimeException();
+
+    uno::Reference< io::XStream > xStream;
+    uno::Reference< io::XInputStream > xInputStream;
+    uno::Reference< container::XNameAccess > xNameAccess;
+
+    try
+    {
+        if ( !m_bNoTemporaryCopy && !m_xStream.is() )
+            throw io::IOException(); // TODO
+
+        if ( aElement >>= xStream )
+            xInputStream = xStream->getInputStream();
+        else if ( !( aElement >>= xInputStream ) && !( aElement >>= xNameAccess ) )
+            throw lang::IllegalArgumentException(); // TODO:
+
+        if ( xInputStream.is() )
+            InsertInputStreamToStorage_Impl( m_pStorage.get(), aName, xInputStream );
+        else if ( xNameAccess.is() )
+            InsertNameAccessToStorage_Impl( m_pStorage.get(), aName, xNameAccess );
+        else
+            throw uno::RuntimeException();
+    }
+    catch( uno::RuntimeException& )
+    {
+        throw;
+    }
+    catch( container::ElementExistException& )
+    {
+        throw;
+    }
+    catch( const uno::Exception& )
+    {
+        css::uno::Any anyEx = cppu::getCaughtException();
+        throw lang::WrappedTargetException("Insert has failed!",
+                                            uno::Reference< uno::XInterface >(),
+                                            anyEx );
+    }
+}
+
+
+void SAL_CALL OLESimpleStorage::removeByName( const OUString& aName )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pStorage )
+        throw uno::RuntimeException();
+
+    if ( !m_bNoTemporaryCopy && !m_xStream.is() )
+        throw lang::WrappedTargetException(); // io::IOException(); // TODO
+
+    if ( !m_pStorage->IsContained( aName ) )
+        throw container::NoSuchElementException(); // TODO:
+
+    m_pStorage->Remove( aName );
+
+    if ( m_pStorage->GetError() )
+    {
+        m_pStorage->ResetError();
+        throw lang::WrappedTargetException(); // io::IOException(); // TODO
+    }
+}
+
+
+void SAL_CALL OLESimpleStorage::replaceByName( const OUString& aName, const uno::Any& aElement )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    removeByName( aName );
+
+    try
+    {
+        insertByName( aName, aElement );
+    }
+    catch( container::ElementExistException& )
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+
+        throw lang::WrappedTargetException("Can't copy raw stream",
+                                            uno::Reference< uno::XInterface >(),
+                                            aCaught );
+    }
+}
+
+
+uno::Any SAL_CALL OLESimpleStorage::getByName( const OUString& aName )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pStorage )
+        throw uno::RuntimeException();
+
+    if ( !m_pStorage->IsContained( aName ) )
+        throw container::NoSuchElementException(); // TODO:
+
+    uno::Any aResult;
+
+    uno::Reference< io::XStream > xTempFile = io::TempFile::create(m_xContext);
+    uno::Reference< io::XSeekable > xSeekable( xTempFile, uno::UNO_QUERY_THROW );
+    uno::Reference< io::XOutputStream > xOutputStream = xTempFile->getOutputStream();
+    uno::Reference< io::XInputStream > xInputStream = xTempFile->getInputStream();
+    if ( !xOutputStream.is() || !xInputStream.is() )
+        throw uno::RuntimeException();
+
+    if ( m_pStorage->IsStorage( aName ) )
+    {
+        std::unique_ptr<BaseStorage> pStrg(m_pStorage->OpenStorage( aName ));
+        m_pStorage->ResetError();
+        if ( !pStrg )
+            throw lang::WrappedTargetException(); // io::IOException(); // TODO
+
+        std::unique_ptr<SvStream> pStream = ::utl::UcbStreamHelper::CreateStream( xTempFile, false ); // do not close the original stream
+        if ( !pStream )
+            throw uno::RuntimeException();
+
+        std::unique_ptr<BaseStorage> pNewStor(new Storage( *pStream, false ));
+        bool bSuccess = ( pStrg->CopyTo( pNewStor.get() ) && pNewStor->Commit() &&
+                          !pNewStor->GetError() && !pStrg->GetError() );
+
+        pNewStor.reset();
+        pStrg.reset();
+        pStream.reset();
+
+        if ( !bSuccess )
+            throw uno::RuntimeException();
+
+        uno::Reference< container::XNameContainer > xResultNameContainer(
+            css::embed::OLESimpleStorage::createFromInputStream(m_xContext, xInputStream, true),
+            uno::UNO_QUERY_THROW );
+
+        aResult <<= xResultNameContainer;
+    }
+    else
+    {
+        std::unique_ptr<BaseStorageStream> pStream(m_pStorage->OpenStream( aName, StreamMode::READ | StreamMode::SHARE_DENYALL | StreamMode::NOCREATE ));
+        try
+        {
+            if ( !pStream || pStream->GetError() || m_pStorage->GetError() )
+            {
+                m_pStorage->ResetError();
+                throw io::IOException(); // TODO
+            }
+
+            uno::Sequence< sal_Int8 > aData( nBytesCount );
+            sal_Int32 nSize = nBytesCount;
+            sal_Int32 nRead = 0;
+            while( 0 != ( nRead = pStream->Read( aData.getArray(), nSize ) ) )
+            {
+                if ( nRead < nSize )
+                {
+                    nSize = nRead;
+                    aData.realloc( nSize );
+                }
+
+                xOutputStream->writeBytes( aData );
+            }
+
+            if ( pStream->GetError() )
+                throw io::IOException(); // TODO
+
+            xOutputStream->closeOutput();
+            xSeekable->seek( 0 );
+        }
+        catch (const uno::RuntimeException&)
+        {
+            throw;
+        }
+        catch (const uno::Exception& ex)
+        {
+            css::uno::Any anyEx = cppu::getCaughtException();
+            throw css::lang::WrappedTargetException( ex.Message,
+                    nullptr, anyEx );
+        }
+
+        pStream.reset();
+
+        aResult <<= xInputStream;
+    }
+
+    return aResult;
+}
+
+
+uno::Sequence< OUString > SAL_CALL OLESimpleStorage::getElementNames()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pStorage )
+        throw uno::RuntimeException();
+
+    SvStorageInfoList aList;
+    m_pStorage->FillInfoList( &aList );
+
+    if ( m_pStorage->GetError() )
+    {
+        m_pStorage->ResetError();
+        throw uno::RuntimeException(); // TODO:
+    }
+
+    uno::Sequence< OUString > aSeq( aList.size() );
+    auto aSeqRange = asNonConstRange(aSeq);
+    for ( size_t nInd = 0; nInd < aList.size(); nInd++ )
+        aSeqRange[nInd] = aList[nInd].GetName();
+
+    return aSeq;
+}
+
+
+sal_Bool SAL_CALL OLESimpleStorage::hasByName( const OUString& aName )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pStorage )
+        throw uno::RuntimeException();
+
+    bool bResult = m_pStorage->IsContained( aName );
+
+    if ( m_pStorage->GetError() )
+    {
+        m_pStorage->ResetError();
+        throw uno::RuntimeException(); // TODO:
+    }
+
+    return bResult;
+}
+
+
+uno::Type SAL_CALL OLESimpleStorage::getElementType()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    return cppu::UnoType<io::XInputStream>::get();
+}
+
+
+sal_Bool SAL_CALL OLESimpleStorage::hasElements()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pStorage )
+        throw uno::RuntimeException();
+
+    SvStorageInfoList aList;
+    m_pStorage->FillInfoList( &aList );
+
+    if ( m_pStorage->GetError() )
+    {
+        m_pStorage->ResetError();
+        throw uno::RuntimeException(); // TODO:
+    }
+
+    return !aList.empty();
+}
+
+
+//  XComponent
+
+
+void SAL_CALL OLESimpleStorage::dispose()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( m_pListenersContainer )
+    {
+        lang::EventObject aSource( static_cast< ::cppu::OWeakObject* >(this) );
+        m_pListenersContainer->disposeAndClear( aSource );
+    }
+
+    m_pStorage.reset();
+    m_pStream.reset();
+
+    m_xStream.clear();
+    m_xTempStream.clear();
+
+    m_bDisposed = true;
+}
+
+
+void SAL_CALL OLESimpleStorage::addEventListener(
+            const uno::Reference< lang::XEventListener >& xListener )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pListenersContainer )
+        m_pListenersContainer = new ::comphelper::OInterfaceContainerHelper3<css::lang::XEventListener>( m_aMutex );
+
+    m_pListenersContainer->addInterface( xListener );
+}
+
+
+void SAL_CALL OLESimpleStorage::removeEventListener(
+            const uno::Reference< lang::XEventListener >& xListener )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( m_pListenersContainer )
+        m_pListenersContainer->removeInterface( xListener );
+}
+
+
+//  XTransactedObject
+
+
+void SAL_CALL OLESimpleStorage::commit()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pStorage )
+        throw uno::RuntimeException();
+
+    if ( !m_bNoTemporaryCopy && !m_xStream.is() )
+        throw io::IOException(); // TODO
+
+    if ( !m_pStorage->Commit() || m_pStorage->GetError() )
+    {
+        m_pStorage->ResetError();
+        throw io::IOException(); // TODO
+    }
+
+    UpdateOriginal_Impl();
+}
+
+
+void SAL_CALL OLESimpleStorage::revert()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pStorage )
+        throw uno::RuntimeException();
+
+    if ( !m_bNoTemporaryCopy && !m_xStream.is() )
+        throw io::IOException(); // TODO
+
+    if ( !m_pStorage->Revert() || m_pStorage->GetError() )
+    {
+        m_pStorage->ResetError();
+        throw io::IOException(); // TODO
+    }
+
+    UpdateOriginal_Impl();
+}
+
+
+//  XClassifiedObject
+
+
+uno::Sequence< sal_Int8 > SAL_CALL OLESimpleStorage::getClassID()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_pStorage )
+        throw uno::RuntimeException();
+
+    return m_pStorage->GetClassName().GetByteSequence();
+}
+
+OUString SAL_CALL OLESimpleStorage::getClassName()
+{
+    return OUString();
+}
+
+void SAL_CALL OLESimpleStorage::setClassInfo( const uno::Sequence< sal_Int8 >& /*aClassID*/,
+                            const OUString& /*sClassName*/ )
+{
+    throw lang::NoSupportException();
+}
+
+//  XServiceInfo
+OUString SAL_CALL OLESimpleStorage::getImplementationName()
+{
+    return "com.sun.star.comp.embed.OLESimpleStorage";
+}
+
+sal_Bool SAL_CALL OLESimpleStorage::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+uno::Sequence< OUString > SAL_CALL OLESimpleStorage::getSupportedServiceNames()
+{
+    return { "com.sun.star.embed.OLESimpleStorage" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+com_sun_star_comp_embed_OLESimpleStorage(
+    css::uno::XComponentContext *context,
+    css::uno::Sequence<css::uno::Any> const &arguments)
+{
+    return cppu::acquire(new OLESimpleStorage(context, arguments));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */