1 files changed, 154 insertions, 0 deletions
diff --git a/store/source/lockbyte.hxx b/store/source/lockbyte.hxx
new file mode 100644
index 0000000000..41c6145f16
--- /dev/null
+++ b/store/source/lockbyte.hxx
@@ -0,0 +1,154 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <memory>
+
+#include <sal/types.h>
+
+#include <rtl/ustring.h>
+#include <salhelper/simplereferenceobject.hxx>
+
+#include <store/types.h>
+#include "storbase.hxx"
+
+namespace rtl { template <class reference_type> class Reference; }
+
+namespace store
+{
+
+class ILockBytes : public virtual salhelper::SimpleReferenceObject
+{
+public:
+    /**
+        @param  rxAllocator [out]
+        @param  nPageSize [in]
+    */
+    storeError initialize (
+        rtl::Reference< PageData::Allocator > & rxAllocator,
+        sal_uInt16                              nPageSize);
+
+    /**
+        @param  rPage [out]
+        @param  nOffset [in]
+     */
+    storeError readPageAt (
+        std::shared_ptr<PageData> & rPage,
+        sal_uInt32   nOffset);
+
+    /**
+        @param  rPage [in]
+        @param  nOffset [in]
+     */
+    storeError writePageAt (
+        std::shared_ptr<PageData> const & rPage,
+        sal_uInt32         nOffset);
+
+    /**
+        @param  nOffset [in]
+        @param  pBuffer [out]
+        @param  nBytes [in]
+        @return store_E_None upon success
+     */
+    storeError readAt (
+        sal_uInt32  nOffset,
+        void       *pBuffer,
+        sal_uInt32  nBytes);
+
+    /**
+        @param  nOffset [in]
+        @param  pBuffer [in]
+        @param  nBytes [in]
+        @return store_E_None upon success
+     */
+    storeError writeAt (
+        sal_uInt32  nOffset,
+        const void *pBuffer,
+        sal_uInt32  nBytes);
+
+    /**
+        @param  rnSize [out]
+        @return store_E_None upon success
+     */
+    storeError getSize (sal_uInt32 & rnSize);
+
+    /**
+        @param  nSize [in]
+        @return store_E_None upon success
+     */
+    storeError setSize (sal_uInt32 nSize);
+
+    /**
+        @return store_E_None upon success
+     */
+    storeError flush();
+
+protected:
+    virtual ~ILockBytes() override {}
+
+private:
+    /** Implementation (abstract).
+     */
+    virtual storeError initialize_Impl (
+        rtl::Reference< PageData::Allocator > & rxAllocator,
+        sal_uInt16                              nPageSize) = 0;
+
+    virtual storeError readPageAt_Impl (
+        std::shared_ptr<PageData> & rPage,
+        sal_uInt32   nOffset) = 0;
+
+    virtual storeError writePageAt_Impl (
+        std::shared_ptr<PageData> const & rPage,
+        sal_uInt32         nOffset) = 0;
+
+    virtual storeError readAt_Impl (
+        sal_uInt32  nOffset,
+        void       *pBuffer,
+        sal_uInt32  nBytes) = 0;
+
+    virtual storeError writeAt_Impl (
+        sal_uInt32  nOffset,
+        const void *pBuffer,
+        sal_uInt32  nBytes) = 0;
+
+    virtual storeError getSize_Impl (
+        sal_uInt32 & rnSize) = 0;
+
+    virtual storeError setSize_Impl (
+        sal_uInt32 nSize) = 0;
+
+    virtual storeError flush_Impl() = 0;
+};
+
+storeError FileLockBytes_createInstance (
+  rtl::Reference< store::ILockBytes > & rxLockBytes,
+  rtl_uString *   pFilename,
+  storeAccessMode eAccessMode
+);
+
+storeError MemoryLockBytes_createInstance (
+  rtl::Reference< store::ILockBytes > & rxLockBytes
+);
+
+} // namespace store
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */