f5aeaa3845
Still not perfect, but it somewhat does work. Change-Id: Ic248e20f7ab18a37f56b2034f57551dded956bab
205 lines
6.3 KiB
C++
205 lines
6.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SC_INC_DPCACHE_HXX
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#define INCLUDED_SC_INC_DPCACHE_HXX
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#include "global.hxx"
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#include "dpnumgroupinfo.hxx"
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#include "calcmacros.hxx"
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#include <tools/date.hxx>
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#include <boost/noncopyable.hpp>
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#include <boost/scoped_ptr.hpp>
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#include <boost/ptr_container/ptr_vector.hpp>
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#include <boost/unordered_set.hpp>
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#include <mdds/flat_segment_tree.hpp>
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#include <vector>
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#include <set>
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struct ScQueryParam;
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class ScDPObject;
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class ScDPItemData;
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struct ScDPNumGroupInfo;
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/**
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* This class represents the cached data part of the datapilot cache table
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* implementation.
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*/
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class SC_DLLPUBLIC ScDPCache : boost::noncopyable
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{
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typedef boost::unordered_set<OUString, OUStringHash> StringSetType;
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public:
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typedef std::vector<ScDPItemData> ItemsType;
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typedef std::set<ScDPObject*> ObjectSetType;
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typedef std::vector<OUString> LabelsType;
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typedef std::vector<SCROW> IndexArrayType;
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struct GroupItems : boost::noncopyable
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{
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ItemsType maItems;
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ScDPNumGroupInfo maInfo;
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sal_Int32 mnGroupType;
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GroupItems();
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GroupItems(const ScDPNumGroupInfo& rInfo, sal_Int32 nGroupType);
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};
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struct Field : boost::noncopyable
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{
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/**
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* Optional items for grouped field.
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*/
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boost::scoped_ptr<GroupItems> mpGroup;
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/**
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* Unique values in the field, stored in ascending order.
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*/
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ItemsType maItems;
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/**
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* Original source data represented as indices to the unique value
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* list. The order of the data is as they appear in the original
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* data source.
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*/
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IndexArrayType maData;
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sal_uLong mnNumFormat;
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Field();
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};
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/**
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* Interface for connecting to database source. Column index is 0-based.
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*/
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class DBConnector
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{
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public:
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virtual long getColumnCount() const = 0;
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virtual OUString getColumnLabel(long nCol) const = 0;
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virtual bool first() = 0;
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virtual bool next() = 0;
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virtual void finish() = 0;
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virtual void getValue(long nCol, ScDPItemData& rData, short& rNumType) const = 0;
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virtual ~DBConnector() {}
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};
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private:
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ScDocument* mpDoc;
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long mnColumnCount;
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/**
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* All pivot table objects that references this cache.
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*/
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mutable ObjectSetType maRefObjects;
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typedef boost::ptr_vector<Field> FieldsType;
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typedef boost::ptr_vector<GroupItems> GroupFieldsType;
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FieldsType maFields;
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GroupFieldsType maGroupFields;
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mutable StringSetType maStringPool;
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LabelsType maLabelNames; // Stores dimension names and the data layout dimension name at position 0.
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mdds::flat_segment_tree<SCROW, bool> maEmptyRows;
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SCROW mnDataSize;
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SCROW mnRowCount;
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bool mbDisposing;
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public:
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const OUString* InternString(const OUString& rStr) const;
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void AddReference(ScDPObject* pObj) const;
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void RemoveReference(ScDPObject* pObj) const;
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const ObjectSetType& GetAllReferences() const;
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SCROW GetIdByItemData(long nDim, const ScDPItemData& rItem) const;
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OUString GetFormattedString(long nDim, const ScDPItemData& rItem) const;
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long AppendGroupField();
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void ResetGroupItems(long nDim, const ScDPNumGroupInfo& rNumInfo, sal_Int32 nGroupType);
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SCROW SetGroupItem(long nDim, const ScDPItemData& rData);
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void GetGroupDimMemberIds(long nDim, std::vector<SCROW>& rIds) const;
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void ClearGroupFields();
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const ScDPNumGroupInfo* GetNumGroupInfo(long nDim) const;
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/**
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* Return a group type identifier. The values correspond with
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* com::sun::star::sheet::DataPilotFieldGroupBy constant values.
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*
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* @param nDim 0-based dimension index.
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*
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* @return group type identifier, or 0 on failure.
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*/
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sal_Int32 GetGroupType(long nDim) const;
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SCCOL GetDimensionIndex(const OUString& sName) const;
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sal_uLong GetNumberFormat( long nDim ) const;
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bool IsDateDimension( long nDim ) const ;
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long GetDimMemberCount(long nDim) const;
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SCROW GetOrder( long nDim, SCROW nIndex ) const;
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const IndexArrayType* GetFieldIndexArray( size_t nDim ) const;
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const ItemsType& GetDimMemberValues( SCCOL nDim ) const;
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bool InitFromDoc(ScDocument* pDoc, const ScRange& rRange);
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bool InitFromDataBase(DBConnector& rDB);
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/**
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* Row count is the number of records plus any trailing empty rows in case
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* the source data is sheet and contains trailing empty rows.
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*/
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SCROW GetRowCount() const;
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/**
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* Data size is the number of records without any trailing empty rows for
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* sheet source data. For any other source type, this should equal the
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* row count.
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*/
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SCROW GetDataSize() const;
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SCROW GetItemDataId( sal_uInt16 nDim, SCROW nRow, bool bRepeatIfEmpty ) const;
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OUString GetDimensionName(LabelsType::size_type nDim) const;
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bool IsRowEmpty(SCROW nRow) const;
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bool ValidQuery(SCROW nRow, const ScQueryParam& rQueryParam) const;
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ScDocument* GetDoc() const;
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long GetColumnCount() const;
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const ScDPItemData* GetItemDataById( long nDim, SCROW nId ) const;
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size_t GetFieldCount() const;
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size_t GetGroupFieldCount() const;
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ScDPCache(ScDocument* pDoc);
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~ScDPCache();
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#if DEBUG_PIVOT_TABLE
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void Dump() const;
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#endif
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private:
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void PostInit();
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void Clear();
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void AddLabel(const OUString& rLabel);
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const GroupItems* GetGroupItems(long nDim) const;
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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