Delete SvCacheStream class

I changed SvCacheStream class to SvMemoryStream class in
the following:  MSE40HTMLClipFormatObj, SfxLockBytesItem,
SwEditShell, INetMIMEMessageStream classes,
MakeLockBytes_Impl function and SwUnoCursorHelper namespace.
I modified header the precompiled_sw.hxx, wrtsh1.cxx, unoobj2.cxx.
I added two functions in SvMemoryStream class: GetBuffer and
GetSize, and I renamed the old GetSize function to GetBufSize.
I deleted SvCacheStream class.

Change-Id: I929236538dfbe23cccfd1eb85f10c1d5411baa8d
Reviewed-on: https://gerrit.libreoffice.org/4847
Reviewed-by: Andras Timar <atimar@suse.com>
Tested-by: Andras Timar <atimar@suse.com>

3 files changed, 17 insertions, 128 deletions

diff --git a/tools/source/inet/inetstrm.cxx b/tools/source/inet/inetstrm.cxx
index 3e619d841c7b..8204eeccee0c 100644
--- a/tools/source/inet/inetstrm.cxx
+++ b/tools/source/inet/inetstrm.cxx
@@ -20,7 +20,6 @@
 #include <comphelper/string.hxx>
 #include <sal/types.h>
 #include <rtl/strbuf.hxx>
-#include <tools/cachestr.hxx>
 #include <tools/inetmsg.hxx>
 #include <tools/inetstrm.hxx>
 
@@ -1396,7 +1395,7 @@ int INetMIMEMessageStream::PutMsgLine(const sal_Char* pData, sal_uIntPtr nSize)
                 {
                     // Encapsulated message.
                     INetMIMEMessage* pNewMessage = new INetMIMEMessage;
-                    pNewMessage->SetDocumentLB( new SvAsyncLockBytes(new SvCacheStream, false));
+                    pNewMessage->SetDocumentLB( new SvAsyncLockBytes(new SvMemoryStream(), false));
                     pMsg->AttachChild( *pNewMessage, true );
 
                     // Encapsulated message body. Create message parser stream.
@@ -1509,7 +1508,7 @@ int INetMIMEMessageStream::PutMsgLine(const sal_Char* pData, sal_uIntPtr nSize)
                                     new INetMIMEMessage;
                                 pNewMessage->SetDocumentLB(
                                     new SvAsyncLockBytes(
-                                        new SvCacheStream, false));
+                                        new SvMemoryStream(), false));
 
                                 pMsg->AttachChild( *pNewMessage, true );
 
diff --git a/tools/source/stream/cachestr.cxx b/tools/source/stream/cachestr.cxx
deleted file mode 100644
index 8b988b136ff7..000000000000
--- a/tools/source/stream/cachestr.cxx
+++ /dev/null
@@ -1,125 +0,0 @@
-/* -*- 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 <rtl/ustring.hxx>
-#include <tools/stream.hxx>
-#include <tools/cachestr.hxx>
-#include <tools/tempfile.hxx>
-
-SvCacheStream::SvCacheStream( sal_uIntPtr nMaxMemSize )
-{
-    if( !nMaxMemSize )
-        nMaxMemSize = 20480;
-    SvStream::bIsWritable = true;
-    nMaxSize        = nMaxMemSize;
-    bPersistent     = false;
-    pSwapStream     = 0;
-    pCurrentStream  = new SvMemoryStream( nMaxMemSize );
-    pTempFile       = 0;
-}
-
-SvCacheStream::~SvCacheStream()
-{
-       if( pCurrentStream != pSwapStream )
-        delete pSwapStream;
-    delete pCurrentStream;
-
-    if( pSwapStream && !bPersistent && pTempFile )
-    {
-        // temporaeres File loeschen
-        pTempFile->EnableKillingFile( true );
-    }
-
-    delete pTempFile;
-}
-
-void SvCacheStream::SwapOut()
-{
-    if( pCurrentStream != pSwapStream )
-    {
-        if( !pSwapStream && aFileName.isEmpty() )
-        {
-            pTempFile = new TempFile;
-            aFileName = pTempFile->GetName();
-        }
-
-        sal_uIntPtr nPos = pCurrentStream->Tell();
-        pCurrentStream->Seek( 0 );
-        if( !pSwapStream )
-            pSwapStream = new SvFileStream( aFileName, STREAM_READWRITE | STREAM_TRUNC );
-        *pSwapStream << *pCurrentStream;
-        pSwapStream->Flush();
-        delete pCurrentStream;
-        pCurrentStream = pSwapStream;
-        pCurrentStream->Seek( nPos );
-    }
-}
-
-sal_uIntPtr SvCacheStream::GetData( void* pData, sal_uIntPtr nSize )
-{
-    return pCurrentStream->Read( pData, nSize );
-}
-
-sal_uIntPtr SvCacheStream::PutData( const void* pData, sal_uIntPtr nSize )
-{
-    // prefer swapping data instead copying it again
-    if( pCurrentStream != pSwapStream
-        && pCurrentStream->Tell() + nSize > nMaxSize )
-        SwapOut();
-    return pCurrentStream->Write( pData, nSize );
-}
-
-sal_uIntPtr SvCacheStream::SeekPos( sal_uIntPtr nPos )
-{
-    return pCurrentStream->Seek( nPos );
-}
-
-void SvCacheStream::FlushData()
-{
-    pCurrentStream->Flush();
-    if( pCurrentStream != pSwapStream
-        && ((SvMemoryStream*)pCurrentStream)->GetSize() > nMaxSize )
-        SwapOut();
-}
-
-const void* SvCacheStream::GetBuffer()
-{
-    Flush();
-    if( pCurrentStream != pSwapStream )
-        return ((SvMemoryStream*)pCurrentStream)->GetData();
-    else
-        return 0;
-}
-
-void SvCacheStream::SetSize( sal_uIntPtr nSize )
-{
-    pCurrentStream->SetStreamSize( nSize );
-}
-
-sal_uIntPtr SvCacheStream::GetSize()
-{
-    // CAUTION: SvMemoryStream::GetSize() returns size of the allocated buffer
-    Flush();
-    sal_uIntPtr nTemp = Tell();
-    sal_uIntPtr nLength = Seek( STREAM_SEEK_TO_END );
-    Seek( nTemp );
-    return nLength;
-}
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/tools/source/stream/stream.cxx b/tools/source/stream/stream.cxx
index a3053a9fc907..05f7ac3fbc7e 100644
--- a/tools/source/stream/stream.cxx
+++ b/tools/source/stream/stream.cxx
@@ -1715,6 +1715,21 @@ sal_uInt16 SvMemoryStream::IsA() const
     return (sal_uInt16)ID_MEMORYSTREAM;
 }
 
+const void* SvMemoryStream::GetBuffer()
+{
+    Flush();
+    return (const void*)GetData();
+}
+
+sal_uIntPtr SvMemoryStream::GetSize()
+{
+    Flush();
+    sal_uIntPtr nTemp = Tell();
+    sal_uIntPtr nLength = Seek( STREAM_SEEK_TO_END );
+    Seek( nTemp );
+    return nLength;
+}
+
 void* SvMemoryStream::SetBuffer( void* pNewBuf, sal_Size nCount,
                                  bool bOwnsDat, sal_Size nEOF )
 {