dpcache.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef INCLUDED_SC_INC_DPCACHE_HXX
#define INCLUDED_SC_INC_DPCACHE_HXX

#include "address.hxx"
#include "calcmacros.hxx"
#include "dpitemdata.hxx"
#include "dpnumgroupinfo.hxx"
#include "scdllapi.h"
#include "types.hxx"

#include <mdds/flat_segment_tree.hpp>

#include <memory>
#include <set>
#include <unordered_set>
#include <vector>

struct ScQueryParam;
class ScDPObject;
class ScDocument;
class SvNumberFormatter;

enum class SvNumFormatType : sal_Int16;

class SC_DLLPUBLIC ScDPCache
{
public:
    typedef std::unordered_set<OUString> StringSetType;
    typedef mdds::flat_segment_tree<SCROW, bool> EmptyRowsType;
    typedef std::vector<ScDPItemData> ScDPItemDataVec;
    typedef std::set<ScDPObject*> ScDPObjectSet;
    typedef std::vector<SCROW> IndexArrayType;

    struct SAL_DLLPRIVATE GroupItems
    {
        ScDPItemDataVec maItems;
        ScDPNumGroupInfo maInfo;
        sal_Int32 mnGroupType;

        GroupItems();
        GroupItems(const GroupItems&) = delete;
        const GroupItems& operator=(const GroupItems&) = delete;
        GroupItems(const ScDPNumGroupInfo& rInfo, sal_Int32 nGroupType);
    };

    struct SAL_DLLPRIVATE Field
    {
        std::unique_ptr<GroupItems> mpGroup;

        ScDPItemDataVec maItems;

        IndexArrayType maData;

        sal_uInt32 mnNumFormat;

        Field();
        Field(const Field&) = delete;
        const Field& operator=(const Field&) = delete;
    };

    class DBConnector
    {
    public:
        virtual long getColumnCount() const = 0;
        virtual OUString getColumnLabel(long nCol) const = 0;
        virtual bool first() = 0;
        virtual bool next() = 0;
        virtual void finish() = 0;
        virtual void getValue(long nCol, ScDPItemData& rData, SvNumFormatType& rNumType) const = 0;
        virtual ~DBConnector() {}
    };

private:

    ScDocument* mpDoc;
    SCCOL mnColumnCount;

    mutable ScDPObjectSet maRefObjects;

    typedef std::vector< std::unique_ptr<Field> > FieldsType;
    typedef std::vector< std::unique_ptr<GroupItems> > GroupFieldsType;

    FieldsType maFields;
    GroupFieldsType maGroupFields;
    std::vector<StringSetType> maStringPools; // one for each field.

    std::vector<OUString> maLabelNames; // Stores dimension names and the data layout dimension name at position 0.
    EmptyRowsType maEmptyRows;
    SCROW mnDataSize;
    SCROW mnRowCount;

    bool mbDisposing;

public:
    rtl_uString* InternString( size_t nDim, const OUString& rStr );
    void AddReference(ScDPObject* pObj) const;
    void RemoveReference(ScDPObject* pObj) const;
    const ScDPObjectSet& GetAllReferences() const;

    SCROW GetIdByItemData(long nDim, const ScDPItemData& rItem) const;

    static sal_uInt32 GetLocaleIndependentFormat( SvNumberFormatter& rFormatter, sal_uInt32 nNumFormat );
    static OUString GetLocaleIndependentFormattedNumberString( double fValue );
    static OUString GetLocaleIndependentFormattedString( double fValue, SvNumberFormatter& rFormatter, sal_uInt32 nNumFormat );
    OUString GetFormattedString(long nDim, const ScDPItemData& rItem, bool bLocaleIndependent) const;
    SvNumberFormatter* GetNumberFormatter() const;

    long AppendGroupField();
    void ResetGroupItems(long nDim, const ScDPNumGroupInfo& rNumInfo, sal_Int32 nGroupType);
    SCROW SetGroupItem(long nDim, const ScDPItemData& rData);
    void GetGroupDimMemberIds(long nDim, std::vector<SCROW>& rIds) const;
    void ClearGroupFields();
    void ClearAllFields();
    const ScDPNumGroupInfo* GetNumGroupInfo(long nDim) const;

    sal_Int32 GetGroupType(long nDim) const;

    SCCOL GetDimensionIndex(const OUString& sName) const;
    sal_uInt32 GetNumberFormat( long nDim ) const;
    bool  IsDateDimension( long nDim ) const ;
    long GetDimMemberCount(long nDim) const;

    const IndexArrayType* GetFieldIndexArray( size_t nDim ) const;
    const ScDPItemDataVec& GetDimMemberValues( SCCOL nDim ) const;
    void InitFromDoc(ScDocument* pDoc, const ScRange& rRange);
    bool InitFromDataBase(DBConnector& rDB);

    SCROW GetRowCount() const;

    SCROW GetDataSize() const;
    SCROW GetItemDataId( sal_uInt16 nDim, SCROW nRow, bool bRepeatIfEmpty ) const;
    OUString GetDimensionName(std::vector<OUString>::size_type nDim) const;
    bool IsRowEmpty(SCROW nRow) const;
    bool ValidQuery(SCROW nRow, const ScQueryParam& rQueryParam) const;

    ScDocument* GetDoc() const;
    long GetColumnCount() const;

    const ScDPItemData* GetItemDataById( long nDim, SCROW nId ) const;

    size_t GetFieldCount() const;
    size_t GetGroupFieldCount() const;

    ScDPCache(const ScDPCache&) = delete;
    const ScDPCache& operator=(const ScDPCache&) = delete;
    ScDPCache(ScDocument* pDoc);
    ~ScDPCache();

#if DUMP_PIVOT_TABLE
    void Dump() const;
#endif

private:
    void PostInit();
    void Clear();
    const GroupItems* GetGroupItems(long nDim) const;
};

#endif

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