FreeBiblIndex.h

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//
// Created by sokirko on 10.10.19.
//

#ifndef PROJECT_FREEBIBLINDEX_H
#define PROJECT_FREEBIBLINDEX_H


#include "ConcCommon.h"
#include "../CommonLib/ddcMMap.h"
#include "../CommonLib/ddcStringEnum.h"
#include "../PCRE/pcre_rml.h"

typedef enum {
    cfbiUnknown,
    cfbiInteger,
    cfbiString,
    cfbiIntegerConstant, //-- unused
    cfbiStringConstant,
    cfbiStringAlias,
    cfbiOther
} CFreeBiblIndexTypeId;


const string FreeBiblAttribOptionFieldName = "Bibl";
const string TextAreaOptionFieldName = "textarea";
const char IntegerTypeStr[] = "integer";
const char StringTypeStr[] = "string";
const char StringConstantTypeStr[] = "constant";
const char StringAliasTypeStr[] = "alias";

class CFreeBiblIndex : public CFreeBiblIndexInterface {
protected:
    string GetIndexFileName(string Path) const;

public:
    string m_Name;

    string m_Xpath;

    ddcVecFile<DWORD> m_ValuesForEachFile;

    bool m_bShowInHeader;

    RML_RE::Options *m_pRegexOpts;

public:
    CFreeBiblIndex();

    virtual ~CFreeBiblIndex();

    string GetDescriptionStr() const;

    virtual int GetIntegerValue(DWORD FileNo) const;

    virtual void clear();

    virtual string GetStringValue(DWORD FileNo) const;

    virtual void ReadFromDisk(string Path, DWORD FileBreaksSize, bool useMMap = false);

    virtual void CreateUnion(const string &Path, const vector<const CFreeBiblIndex *> &Indices,
                             const vector<size_t> &FileCounts);

    virtual void CreatePartitions(vector<CFreeBiblIndex *> &Parts, const vector<string> &Paths,
                                  const vector<DWORD> &EndFileNo) const;

    virtual void RegisterBiblStringItemId(const string &Value);

    virtual bool DeleteBiblFiles(string Path) const;

    virtual bool ConvertAndSaveToDiskAfterIndexing(string Path);

    virtual string GetTypeStr() const;

    virtual const string &GetXpathStr() const;

    virtual CFreeBiblIndexTypeId GetTypeId() const;

    virtual bool GetFilterBounds(CDDCFilterWithBounds &Filter, const string &LoValue, const string &HiValue) const;

    virtual bool GetFilterValue(CDDCFilterWithBounds &Filter, const string &Value) const;

    virtual bool GetFilterValues(CDDCFilterWithBounds &Filter, const string &Regex) const;

    virtual bool GetFilterValues(CDDCFilterWithBounds &Filter, const set<string> &Values) const;

    virtual bool FileMatches(DWORD FileNo, const CDDCFilterWithBounds &Filter) const;

    virtual size_t size(void) const { return 0; };

    virtual DWORD GetIntegerLowerBound(const string &Value) const;
};

class CFreeBiblStringIndex : public CFreeBiblIndex {
protected:
    struct CStringItem {
        string m_BiblString;
        DWORD m_BiblId;

        bool operator<(const CStringItem &X) const {
            return m_BiblString < X.m_BiblString;
        };

        bool operator==(const CStringItem &X) const {
            return m_BiblString == X.m_BiblString;
        };

    };

    //list<CStringItem> m_BuildStringItems;
    typedef map<string,DWORD> BuildStringItemsMapT;
    BuildStringItemsMapT m_BuildStringItemsMap;
    size_t m_BuildStringItemsSize;
    
    //vector<string>            m_Values;
    ddcStringEnum<> m_ValuesE;

    string GetStringFileName(string Path) const;

    void ReadBiblStringItems(string FileName, bool useMMap = false);

    bool WriteBiblStringItems(const vector<string> &Set, string FileName) const;


public:
    CFreeBiblStringIndex();

    virtual ~CFreeBiblStringIndex();

    virtual void clear();

    virtual string GetTypeStr() const;

    virtual CFreeBiblIndexTypeId GetTypeId() const;

    virtual string GetStringValue(DWORD FileNo) const;

    virtual void CreateUnion(const string &Path, const vector<const CFreeBiblIndex *> &Indices,
                             const vector<size_t> &FileCounts);

    virtual void CreatePartitions(vector<CFreeBiblIndex *> &Parts, const vector<string> &Paths,
                                  const vector<DWORD> &EndFileNo) const;

    virtual void RegisterBiblStringItemId(const string &Value);

    bool DeleteBiblFiles(string Path) const;

    virtual void ReadFromDisk(string Path, DWORD FileBreaksSize, bool useMMap = false);

    virtual bool ConvertAndSaveToDiskAfterIndexing(string Path);

    virtual bool GetFilterBounds(CDDCFilterWithBounds &Filter, const string &LoValue, const string &HiValue) const;

    virtual bool GetFilterValue(CDDCFilterWithBounds &Filter, const string &Value) const;

    virtual bool GetFilterValues(CDDCFilterWithBounds &Filter, const string &Regex) const;

    virtual bool GetFilterValues(CDDCFilterWithBounds &Filter, const set<string> &Values) const;

    virtual size_t size(void) const { return m_ValuesE.size(); };

    virtual DWORD GetIntegerLowerBound(const string &Value) const;
};

//--------------------------------------------------------------
class CFreeBiblStringConstant : public CFreeBiblStringIndex {
protected:
    string m_Value;
public:
    CFreeBiblStringConstant(const string &value = "");

    virtual ~CFreeBiblStringConstant();

    virtual void clear();

    virtual string GetTypeStr() const;

    virtual CFreeBiblIndexTypeId GetTypeId() const;

    virtual const string &GetXpathStr() const;

    virtual string GetStringValue(DWORD FileNo) const;

    virtual int GetIntegerValue(DWORD FileNo) const;

    virtual void ReadFromDisk(string Path, DWORD FileBreaksSize, bool useMMap = false);

    virtual bool ConvertAndSaveToDiskAfterIndexing(string Path);

    virtual void CreateUnion(const string &Path, const vector<const CFreeBiblIndex *> &Indices,
                             const vector<size_t> &FileCounts);

    virtual void CreatePartitions(vector<CFreeBiblIndex *> &Parts, const vector<string> &Paths,
                                  const vector<DWORD> &EndFileNo) const;

public:
    //-- set constant value
    void setValue(const string &value);
};

#endif //PROJECT_FREEBIBLINDEX_H

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