1 files changed, 67 insertions, 0 deletions
diff --git a/include/tools/cachestr.hxx b/include/tools/cachestr.hxx
new file mode 100644
index 000000000000..60c31e298cf8
--- /dev/null
+++ b/include/tools/cachestr.hxx
@@ -0,0 +1,67 @@
+/* -*- 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 .
+ */
+#ifndef _CACHESTR_HXX
+#define _CACHESTR_HXX
+
+#include <tools/stream.hxx>
+#include <tools/string.hxx>
+#include "tools/toolsdllapi.h"
+
+class TempFile;
+
+class TOOLS_DLLPUBLIC SvCacheStream : public SvStream
+{
+private:
+    String          aFileName;
+    sal_uIntPtr     nMaxSize;
+    int             bPersistent;
+
+    SvStream*       pSwapStream;
+    SvStream*       pCurrentStream;
+    TempFile*       pTempFile;
+
+    TOOLS_DLLPRIVATE virtual sal_uIntPtr GetData( void* pData,
+                                                  sal_uIntPtr nSize );
+    TOOLS_DLLPRIVATE virtual sal_uIntPtr PutData( const void* pData,
+                                                  sal_uIntPtr nSize );
+    TOOLS_DLLPRIVATE virtual sal_uIntPtr SeekPos( sal_uIntPtr nPos );
+    TOOLS_DLLPRIVATE virtual void FlushData();
+    TOOLS_DLLPRIVATE virtual void SetSize( sal_uIntPtr nSize );
+
+public:
+                    SvCacheStream( sal_uIntPtr nMaxMemSize = 0 );
+                    ~SvCacheStream();
+
+    void            SetFilename( const String& rFN )
+                 { aFileName = rFN; } // call only from FilenameHdl
+    const String&   GetFilename() const { return aFileName; }
+
+    void            SwapOut();
+    const void*     GetBuffer();
+    sal_uIntPtr     GetSize();
+
+    sal_Bool        IsPersistent() { return bPersistent != 0; }
+    void            SetPersistence( sal_Bool b = sal_True ) { bPersistent = b; }
+    void            SetSwapStream( SvStream *p )
+                 { pSwapStream = p; } // call only from FilenameHdl
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */