Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 145 insertions, 0 deletions

diff --git a/connectivity/source/inc/dbase/DIndex.hxx b/connectivity/source/inc/dbase/DIndex.hxx
new file mode 100644
index 000000000..018c4b915
--- /dev/null
+++ b/connectivity/source/inc/dbase/DIndex.hxx
@@ -0,0 +1,145 @@
+/* -*- 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 INCLUDED_CONNECTIVITY_SOURCE_INC_DBASE_DINDEX_HXX
+#define INCLUDED_CONNECTIVITY_SOURCE_INC_DBASE_DINDEX_HXX
+
+#include <sdbcx/VIndex.hxx>
+#include <dbase/DTable.hxx>
+#include <dbase/dindexnode.hxx>
+
+#define dBASE_III_GROUP "dBase III"
+
+namespace connectivity
+{
+    namespace dbase
+    {
+        class OIndexIterator;
+        class ONDXKey;
+
+        typedef sdbcx::OIndex ODbaseIndex_BASE;
+
+        class ODbaseIndex : public ODbaseIndex_BASE
+        {
+            friend SvStream& WriteODbaseIndex(SvStream &rStream, ODbaseIndex&);
+            friend SvStream& operator >> (SvStream &rStream, ODbaseIndex&);
+
+            friend class ONDXNode;
+            friend class ONDXPage;
+            friend class ONDXPagePtr;
+            friend class OIndexIterator;
+
+        public:
+
+            // Header struct - stays in memory
+
+            struct NDXHeader
+            {
+                sal_uInt32  db_rootpage;                    /* Rootpage position                */
+                sal_uInt32  db_pagecount;                   /* Page count                       */
+                sal_uInt8   db_free[4];                     /* Reserved                         */
+                sal_uInt16  db_keylen;                      /* Key length                       */
+                sal_uInt16  db_maxkeys;                     /* Maximum number of keys per page  */
+                sal_uInt16  db_keytype;                     /* Type of key:
+                                                               0 = Text
+                                                               1 = Numerical                    */
+                sal_uInt16  db_keyrec;                      /* Length of an index record
+                                                               RecordNumber + keylen            */
+                sal_uInt8   db_free1[3];                    /* Reserved                         */
+                sal_uInt8   db_unique;                      /* Unique                           */
+                char        db_name[488];                   /* index_name (field name)          */
+            };
+
+        private:
+            std::unique_ptr<SvStream> m_pFileStream;        // Stream to read/write the index
+            NDXHeader       m_aHeader = {};
+            std::vector<ONDXPage*>
+                            m_aCollector;                   // Pool of obsolete pages
+            ONDXPagePtr     m_aRoot,                        // Root of the B+ tree
+                            m_aCurLeaf;                     // Current leaf
+            sal_uInt16      m_nCurNode;                     // Position of the current node
+
+            sal_uInt32      m_nPageCount,
+                            m_nRootPage;
+
+            ODbaseTable*    m_pTable;
+            bool        m_bUseCollector : 1;            // Use the Garbage Collector
+
+            OUString getCompletePath() const;
+            void closeImpl();
+            // Closes and kills the index file and throws an error
+            void impl_killFileAndthrowError_throw(const char* pErrorId, const OUString& _sFile);
+        protected:
+            virtual ~ODbaseIndex() override;
+        public:
+            ODbaseIndex(ODbaseTable* _pTable);
+            ODbaseIndex(ODbaseTable* _pTable,const NDXHeader& _aHeader,const OUString& Name);
+
+            void openIndexFile();
+            virtual void refreshColumns() override;
+
+            // css::lang::XUnoTunnel
+            virtual sal_Int64 SAL_CALL getSomething( const css::uno::Sequence< sal_Int8 >& aIdentifier ) override;
+            static css::uno::Sequence< sal_Int8 > getUnoTunnelId();
+
+            const ODbaseTable* getTable() const { return m_pTable; }
+            const NDXHeader& getHeader() const { return m_aHeader; }
+            std::unique_ptr<OIndexIterator> createIterator();
+
+            void SetRootPos(sal_uInt32 nPos)        {m_nRootPage = nPos;}
+            void SetPageCount(sal_uInt32 nCount)    {m_nPageCount = nCount;}
+
+            sal_uInt32 GetPageCount() const         {return m_nPageCount;}
+
+            sal_uInt16 GetMaxNodes() const          {return m_aHeader.db_maxkeys;}
+
+            bool Insert(sal_uInt32 nRec, const ORowSetValue& rValue);
+            bool Update(sal_uInt32 nRec, const ORowSetValue&, const ORowSetValue&);
+            bool Delete(sal_uInt32 nRec, const ORowSetValue& rValue);
+            bool Find(sal_uInt32 nRec, const ORowSetValue& rValue);
+
+            void createINFEntry();
+            void CreateImpl();
+            void DropImpl();
+
+            DECLARE_SERVICE_INFO();
+        protected:
+
+            ONDXPage* CreatePage(sal_uInt32 nPagePos, ONDXPage* pParent = nullptr, bool bLoad = false);
+            void Collect(ONDXPage*);
+            ONDXPagePtr const & getRoot();
+
+            bool isUnique() const { return m_IsUnique; }
+            bool UseCollector() const {return m_bUseCollector;}
+            // Tree operations
+            void Release(bool bSave = true);
+            bool ConvertToKey(ONDXKey* rKey, sal_uInt32 nRec, const ORowSetValue& rValue);
+        };
+
+        SvStream& WriteODbaseIndex(SvStream &rStream, ODbaseIndex&);
+        SvStream& operator >> (SvStream &rStream, ODbaseIndex&);
+
+        void ReadHeader(SvStream & rStream, ODbaseIndex::NDXHeader & rHeader);
+    }
+}
+
+#endif // INCLUDED_CONNECTIVITY_SOURCE_INC_DBASE_DINDEX_HXX
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */