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, 155 insertions, 0 deletions

diff --git a/store/source/storpage.hxx b/store/source/storpage.hxx
new file mode 100644
index 000000000..46c617639
--- /dev/null
+++ b/store/source/storpage.hxx
@@ -0,0 +1,155 @@
+/* -*- 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/types.h>
+#include <rtl/string.h>
+
+#include "object.hxx"
+
+#include "storbase.hxx"
+#include "storbios.hxx"
+#include "stortree.hxx"
+
+namespace store
+{
+
+class ILockBytes;
+struct OStoreDirectoryPageData;
+class  OStoreDirectoryPageObject;
+
+class OStorePageManager : public store::OStorePageBIOS
+{
+public:
+    OStorePageManager();
+
+    /** Initialization (two-phase construction).
+     */
+    virtual storeError initialize (
+        ILockBytes *    pLockBytes,
+        storeAccessMode eAccessMode,
+        sal_uInt16 &    rnPageSize) override;
+
+    /** isValid.
+     *  @return sal_True  upon successful initialization,
+     *          sal_False otherwise.
+     */
+    inline bool isValid() const;
+
+    /** DirectoryPage I/O (managed).
+     */
+    static storeError namei (
+        const rtl_String *pPath,
+        const rtl_String *pName,
+        OStorePageKey    &rKey);
+
+    storeError iget (
+        OStoreDirectoryPageObject & rPage, // [out]
+        sal_uInt32                  nAttrib,
+        const rtl_String *          pPath,
+        const rtl_String *          pName,
+        storeAccessMode             eMode);
+
+    storeError iterate (
+        OStorePageKey &  rKey,
+        OStorePageLink & rLink,
+        sal_uInt32 &     rAttrib);
+
+    /** remove.
+     *  @see store_remove()
+     */
+    storeError remove (
+        const OStorePageKey &rKey);
+
+    /** IStoreHandle.
+     */
+    virtual bool isKindOf (sal_uInt32 nTypeId) override;
+
+protected:
+    virtual ~OStorePageManager() override;
+
+private:
+    typedef OStorePageBIOS            base;
+    typedef OStorePageManager         self;
+
+    typedef OStoreBTreeEntry          entry;
+    typedef OStoreBTreeNodeData       page;
+    typedef OStoreBTreeNodeObject     node;
+
+    typedef OStoreDirectoryPageData   inode;
+    typedef PageHolderObject< inode > inode_holder_type;
+
+    /** IStoreHandle TypeId.
+     */
+    static const sal_uInt32 m_nTypeId;
+
+    /** IStoreHandle query() template function specialization.
+     */
+    friend OStorePageManager*
+    SAL_CALL query<> (OStoreObject *pHandle, OStorePageManager*);
+
+    /** Representation.
+    */
+    OStoreBTreeRootObject m_aRoot;
+
+    /** DirectoryPage I/O (managed).
+     */
+    storeError load_dirpage_Impl(
+        const OStorePageKey       &rKey,
+        OStoreDirectoryPageObject &rPage);
+
+    storeError save_dirpage_Impl(
+        const OStorePageKey       &rKey,
+        OStoreDirectoryPageObject &rPage);
+
+    /** find_lookup (node page and index, w/o split).
+    */
+    storeError find_lookup (
+        OStoreBTreeNodeObject & rNode,
+        sal_uInt16 &            rIndex,
+        OStorePageKey const &   rKey);
+
+    /** remove (possibly down from root).
+    */
+    storeError remove_Impl (entry & rEntry);
+
+    OStorePageManager (const OStorePageManager&) = delete;
+    OStorePageManager& operator= (const OStorePageManager&) = delete;
+};
+
+inline bool OStorePageManager::isValid() const
+{
+    return base::isValid();
+}
+
+template<> inline OStorePageManager*
+SAL_CALL query (OStoreObject *pHandle, SAL_UNUSED_PARAMETER OStorePageManager*)
+{
+    if (pHandle && pHandle->isKindOf (OStorePageManager::m_nTypeId))
+    {
+        // Handle is kind of OStorePageManager.
+        return static_cast<OStorePageManager*>(pHandle);
+    }
+    return nullptr;
+}
+
+} // namespace store
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */