1 files changed, 83 insertions, 0 deletions
diff --git a/tools/inc/tools/cachestr.hxx b/tools/inc/tools/cachestr.hxx
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+++ b/tools/inc/tools/cachestr.hxx
@@ -0,0 +1,83 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _CACHESTR_HXX
+#define _CACHESTR_HXX
+
+#include <tools/stream.hxx>
+#include <tools/string.hxx>
+#include <tools/link.hxx>
+#include "tools/toolsdllapi.h"
+
+// -----------------
+// - SvCacheStream -
+// -----------------
+
+class TempFile;
+class TOOLS_DLLPUBLIC SvCacheStream : public SvStream
+{
+private:
+    String          aFileName;
+    ULONG           nMaxSize;
+    int             bPersistent;
+
+    SvStream*       pSwapStream;
+    SvStream*       pCurrentStream;
+    TempFile*       pTempFile;
+
+    Link            aFilenameLinkHdl;
+
+    TOOLS_DLLPRIVATE virtual ULONG   GetData( void* pData, ULONG nSize );
+    TOOLS_DLLPRIVATE virtual ULONG   PutData( const void* pData, ULONG nSize );
+    TOOLS_DLLPRIVATE virtual ULONG   SeekPos( ULONG nPos );
+    TOOLS_DLLPRIVATE virtual void    FlushData();
+    TOOLS_DLLPRIVATE virtual void    SetSize( ULONG nSize );
+
+public:
+                    SvCacheStream( ULONG nMaxMemSize = 0 );
+                    SvCacheStream( const String &rFileName,
+                                   ULONG nExpectedSize = 0,
+                                   ULONG nMaxMemSize = 0 );
+                    ~SvCacheStream();
+
+    void            SetFilenameHdl( const Link& rLink);
+    const Link&     GetFilenameHdl() const;
+    void            SetFilename( const String& rFN )
+                 { aFileName = rFN; } // darf nur vom FilenameHdl gerufen werden!
+    const String&   GetFilename() const { return aFileName; }
+
+    void            SwapOut();
+    const void*     GetBuffer();
+    ULONG           GetSize();
+
+    BOOL            IsPersistent() { return bPersistent != 0; }
+    void            SetPersistence( BOOL b = TRUE ) { bPersistent = b; }
+    void            SetSwapStream( SvStream *p )
+                 { pSwapStream = p; } // darf nur vom FilenameHdl gerufen werden!
+};
+
+#endif