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Diffstat (limited to 'storage/connect/tabmul.h')
| -rw-r--r-- | storage/connect/tabmul.h | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/storage/connect/tabmul.h b/storage/connect/tabmul.h new file mode 100644 index 00000000..a01e4e7f --- /dev/null +++ b/storage/connect/tabmul.h @@ -0,0 +1,248 @@ +/*************** Tabmul H Declares Source Code File (.H) ***************/ +/* Name: TABMUL.H Version 1.5 */ +/* */ +/* (C) Copyright to PlugDB Software Development 2003-2017 */ +/* Author: Olivier BERTRAND */ +/* */ +/* This file contains the TDBMUL and TDBDIR classes declares. */ +/***********************************************************************/ +#if defined(_WIN32) +#include <io.h> +#else // !_WIN32 +#include <sys/types.h> +#include <unistd.h> +#include <sys/stat.h> +#include <dirent.h> +#endif // !_WIN32 +//#include "osutil.h" +#include "block.h" + +typedef class TDBMUL *PTDBMUL; +typedef class TDBSDR *PTDBSDR; + +/***********************************************************************/ +/* This is the MUL Access Method class declaration for files that are */ +/* physically split in multiple files having the same format. */ +/***********************************************************************/ +class DllExport TDBMUL : public TDBASE { +//friend class MULCOL; + public: + // Constructor + TDBMUL(PTDB tdbp); + TDBMUL(PTDBMUL tdbp); + + // Implementation + virtual AMT GetAmType(void) {return Tdbp->GetAmType();} + virtual PTDB Duplicate(PGLOBAL g); + + // Methods + virtual void ResetDB(void); + virtual PTDB Clone(PTABS t); + virtual bool IsSame(PTDB tp) {return tp == (PTDB)Tdbp;} + virtual PCSZ GetFile(PGLOBAL g) {return Tdbp->GetFile(g);} + virtual int GetRecpos(void) {return 0;} + virtual PCOL ColDB(PGLOBAL g, PSZ name, int num); + bool InitFileNames(PGLOBAL g); + + // Database routines + virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n) + {strcpy(g->Message, MSG(MUL_MAKECOL_ERR)); return NULL;} + virtual int Cardinality(PGLOBAL g); + virtual int GetMaxSize(PGLOBAL g); + virtual int GetProgMax(PGLOBAL g); + virtual int GetProgCur(void); + virtual int RowNumber(PGLOBAL g, bool b = false); + virtual bool OpenDB(PGLOBAL g); + virtual int ReadDB(PGLOBAL g); + virtual int WriteDB(PGLOBAL g); + virtual int DeleteDB(PGLOBAL g, int irc); + virtual void CloseDB(PGLOBAL g); + + protected: + + // Members + PTDB Tdbp; // Points to a (file) table class + char* *Filenames; // Points to file names + int Rows; // Total rows of already read files + int Mul; // Type of multiple file list + int NumFiles; // Number of physical files + int iFile; // Index of currently processed file + }; // end of class TDBMUL + +#if 0 +/***********************************************************************/ +/* This is the MSD Access Method class declaration for files that are */ +/* physically split in multiple files having the same format. */ +/* This sub-class also include files of the sub-directories. */ +/***********************************************************************/ +class DllExport TDBMSD : public TDBMUL { + //friend class MULCOL; +public: + // Constructor + TDBMSD(PTDB tdbp) : TDBMUL(tdbp) {} + TDBMSD(PTDBMSD tdbp) : TDBMUL(tdbp) {} + + // Implementation + virtual PTDB Duplicate(PGLOBAL g); + + // Methods + virtual PTDB Clone(PTABS t); + bool InitFileNames(PGLOBAL g); + + // Database routines + +protected: + + // Members +}; // end of class TDBMSD +#endif + +/***********************************************************************/ +/* Directory listing table. */ +/***********************************************************************/ +class DllExport DIRDEF : public TABDEF { /* Directory listing table */ + friend class CATALOG; + friend class TDBDIR; + public: + // Constructor + DIRDEF(void) {Fn = NULL; Incl = false; Huge = false;} + + // Implementation + virtual const char *GetType(void) {return "DIR";} + + // Methods + virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff); + virtual PTDB GetTable(PGLOBAL g, MODE m); + + protected: + // Members + PSZ Fn; /* Path/Name of file search */ + bool Incl; /* true to include sub-directories */ + bool Huge; /* true if files can be larger than 2GB */ + bool Nodir; /* true to exclude directories */ + }; // end of DIRDEF + +/***********************************************************************/ +/* This is the DIR Access Method class declaration for tables that */ +/* represent a directory listing. The pathname is given at the create */ +/* time and can contain wildcard characters in the file name, and the */ +/* (virtual) table is populated when it is in use. */ +/***********************************************************************/ +class TDBDIR : public TDBASE { + friend class DIRCOL; + friend class TDBMUL; +public: + // Constructor + TDBDIR(PDIRDEF tdp); + TDBDIR(PSZ fpat); + + // Implementation + virtual AMT GetAmType(void) {return TYPE_AM_DIR;} + + // Methods + virtual int GetRecpos(void) {return iFile;} + + // Database routines + virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n); + virtual int GetMaxSize(PGLOBAL g); + virtual int GetProgMax(PGLOBAL g) {return GetMaxSize(g);} + virtual int GetProgCur(void) {return iFile;} + virtual bool OpenDB(PGLOBAL g); + virtual int ReadDB(PGLOBAL g); + virtual int WriteDB(PGLOBAL g); + virtual int DeleteDB(PGLOBAL g, int irc); + virtual void CloseDB(PGLOBAL g); + + protected: + void Init(void); + char *Path(PGLOBAL g); + + // Members + PSZ To_File; // Points to file search pathname + int iFile; // Index of currently retrieved file +#if defined(_WIN32) + PVAL Dvalp; // Used to retrieve file date values + WIN32_FIND_DATA FileData; // Find data structure + HANDLE hSearch; // Search handle + char Drive[_MAX_DRIVE]; // Drive name +#else // !_WIN32 + struct stat Fileinfo; // File info structure + struct dirent *Entry; // Point to directory entry structure + DIR *Dir; // To searched directory structure + bool Done; // true when _splipath is done + char Pattern[_MAX_FNAME+_MAX_EXT]; +#endif // !_WIN32 + char Fpath[_MAX_PATH]; // Absolute file search pattern + char Direc[_MAX_DIR]; // Search path + char Fname[_MAX_FNAME]; // File name + char Ftype[_MAX_EXT]; // File extention + bool Nodir; // Exclude directories from file list + }; // end of class TDBDIR + +/***********************************************************************/ +/* This is the DIR Access Method class declaration for tables that */ +/* represent a directory listing. The pathname is given at the create */ +/* time and can contain wildcard characters in the file name, and the */ +/* (virtual) table is populated when it is in use. In addition, this */ +/* class also includes files of included sub-directories. */ +/***********************************************************************/ +class TDBSDR : public TDBDIR { + friend class DIRCOL; + friend class TDBMUL; + public: + // Constructors + TDBSDR(PDIRDEF tdp) : TDBDIR(tdp) {Sub = NULL;} + TDBSDR(PSZ fpat) : TDBDIR(fpat) {Sub = NULL;} + + // Database routines + virtual int GetMaxSize(PGLOBAL g); + virtual int GetProgMax(PGLOBAL g) {return GetMaxSize(g);} + virtual bool OpenDB(PGLOBAL g); + virtual int ReadDB(PGLOBAL g); +//virtual void CloseDB(PGLOBAL g); + + protected: + int FindInDir(PGLOBAL g); + + typedef struct _Sub_Dir { + struct _Sub_Dir *Next; + struct _Sub_Dir *Prev; +#if defined(_WIN32) + HANDLE H; // Search handle +#else // !_WIN32 + DIR *D; +#endif // !_WIN32 + size_t Len; // Initial directory name length + } SUBDIR, *PSUBDIR; + + // Members + PSUBDIR Sub; // To current Subdir block + }; // end of class TDBSDR + +/***********************************************************************/ +/* Class DIRCOL: DIR access method column descriptor. */ +/* This A.M. is used for tables populated by DIR file name list. */ +/***********************************************************************/ +class DIRCOL : public COLBLK { + public: + // Constructors + DIRCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "DIR"); + DIRCOL(DIRCOL *colp, PTDB tdbp); // Constructor used in copy process + + // Implementation + virtual int GetAmType(void) {return TYPE_AM_DIR;} + + // Methods + virtual void ReadColumn(PGLOBAL g); + + protected: + // Default constructor not to be used + DIRCOL(void) = default; +#if defined(_WIN32) + void SetTimeValue(PGLOBAL g, FILETIME& ftime); +#endif // _WIN32 + + // Members + PTDBDIR Tdbp; // To DIR table + int N; // Column number + }; // end of class DIRCOL |