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db0c28eff8
Find and fix missing virtual override markings. Updates cmake maintainer flags to include -Wsuggest-override and -Winconsistent-missing-override.
120 lines
4.3 KiB
C++
120 lines
4.3 KiB
C++
/*************** FilAMap H Declares Source Code File (.H) **************/
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/* Name: FILAMAP.H Version 1.3 */
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/* */
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/* (C) Copyright to the author Olivier BERTRAND 2005-2014 */
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/* */
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/* This file contains the MAP file access method classes declares. */
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/***********************************************************************/
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#ifndef __FILAMAP_H
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#define __FILAMAP_H
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#include "block.h"
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#include "filamtxt.h"
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typedef class MAPFAM *PMAPFAM;
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/***********************************************************************/
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/* This is the variable file access method using file mapping. */
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/***********************************************************************/
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class DllExport MAPFAM : public TXTFAM {
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friend class TDBJSON;
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public:
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// Constructor
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MAPFAM(PDOSDEF tdp);
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MAPFAM(PMAPFAM tmfp);
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// Implementation
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AMT GetAmType(void) override {return TYPE_AM_MAP;}
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int GetPos(void) override;
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int GetNextPos(void) override;
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PTXF Duplicate(PGLOBAL g) override
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{return (PTXF)new(g) MAPFAM(this);}
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// Methods
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void Reset(void) override;
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int GetFileLength(PGLOBAL g) override;
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int Cardinality(PGLOBAL g) override {return (g) ? -1 : 0;}
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int MaxBlkSize(PGLOBAL g, int s) override {return s;}
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int GetRowID(void) override;
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bool RecordPos(PGLOBAL g) override;
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bool SetPos(PGLOBAL g, int recpos) override;
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int SkipRecord(PGLOBAL g, bool header) override;
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bool OpenTableFile(PGLOBAL g) override;
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bool DeferReading(void) override {return false;}
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virtual int GetNext(PGLOBAL g) {return RC_EF;}
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int ReadBuffer(PGLOBAL g) override;
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int WriteBuffer(PGLOBAL g) override;
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int DeleteRecords(PGLOBAL g, int irc) override;
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void CloseTableFile(PGLOBAL g, bool abort) override;
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void Rewind(void) override;
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protected:
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int InitDelete(PGLOBAL g, int fpos, int spos) override;
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// Members
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char *Memory; // Pointer on file mapping view.
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char *Mempos; // Position of next data to read
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char *Fpos; // Position of last read record
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char *Tpos; // Target Position for delete move
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char *Spos; // Start position for delete move
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char *Top; // Mark end of file mapping view
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}; // end of class MAPFAM
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/***********************************************************************/
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/* This is the blocked file access method using file mapping. */
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/***********************************************************************/
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class DllExport MBKFAM : public MAPFAM {
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public:
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// Constructor
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MBKFAM(PDOSDEF tdp);
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MBKFAM(PMAPFAM tmfp) : MAPFAM(tmfp) {}
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// Implementation
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PTXF Duplicate(PGLOBAL g) override
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{return (PTXF)new(g) MBKFAM(this);}
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// Methods
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void Reset(void) override;
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int Cardinality(PGLOBAL g) override;
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int MaxBlkSize(PGLOBAL g, int s) override
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{return TXTFAM::MaxBlkSize(g, s);}
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int GetRowID(void) override;
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int SkipRecord(PGLOBAL g, bool header) override;
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int ReadBuffer(PGLOBAL g) override;
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void Rewind(void) override;
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protected:
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// No additional members
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}; // end of class MBKFAM
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/***********************************************************************/
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/* This is the fixed file access method using file mapping. */
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/***********************************************************************/
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class DllExport MPXFAM : public MBKFAM {
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public:
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// Constructor
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MPXFAM(PDOSDEF tdp);
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MPXFAM(PMAPFAM tmfp) : MBKFAM(tmfp) {}
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// Implementation
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int GetPos(void) override;
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PTXF Duplicate(PGLOBAL g) override
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{return (PTXF)new(g) MPXFAM(this);}
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// Methods
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int Cardinality(PGLOBAL g) override {return TXTFAM::Cardinality(g);}
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int MaxBlkSize(PGLOBAL g, int s) override
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{return TXTFAM::MaxBlkSize(g, s);}
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bool SetPos(PGLOBAL g, int recpos) override;
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int GetNextPos(void) override {return GetPos() + 1;}
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bool DeferReading(void) override {return false;}
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int ReadBuffer(PGLOBAL g) override;
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int WriteBuffer(PGLOBAL g) override;
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protected:
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int InitDelete(PGLOBAL g, int fpos, int spos) override;
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// No additional members
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}; // end of class MPXFAM
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#endif // __FILAMAP_H
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