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Diffstat (limited to 'storage/connect/tabzip.h')
-rw-r--r-- | storage/connect/tabzip.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/storage/connect/tabzip.h b/storage/connect/tabzip.h new file mode 100644 index 00000000..3c16fae9 --- /dev/null +++ b/storage/connect/tabzip.h @@ -0,0 +1,102 @@ +/*************** tabzip H Declares Source Code File (.H) ***************/ +/* Name: tabzip.h Version 1.0 */ +/* */ +/* (C) Copyright to the author Olivier BERTRAND 2016 */ +/* */ +/* This file contains the ZIP classe declares. */ +/***********************************************************************/ +#include "osutil.h" +#include "block.h" +#include "colblk.h" +#include "xtable.h" +#include "unzip.h" + +typedef class ZIPDEF *PZIPDEF; +typedef class TDBZIP *PTDBZIP; +typedef class ZIPCOL *PZIPCOL; + +/***********************************************************************/ +/* ZIP table: display info about a ZIP file. */ +/***********************************************************************/ +class DllExport ZIPDEF : public DOSDEF { /* Table description */ + friend class TDBZIP; + friend class UNZFAM; +public: + // Constructor + ZIPDEF(void) = default; + + // Implementation + virtual const char *GetType(void) {return "ZIP";} + + // Methods + virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff); + virtual PTDB GetTable(PGLOBAL g, MODE m); + +protected: + // Members + PCSZ target; // The inside file to query +}; // end of ZIPDEF + +/***********************************************************************/ +/* This is the ZIP Access Method class declaration. */ +/***********************************************************************/ +class DllExport TDBZIP : public TDBASE { + friend class ZIPCOL; +public: + // Constructor + TDBZIP(PZIPDEF tdp); + + // Implementation + virtual AMT GetAmType(void) {return TYPE_AM_ZIP;} + virtual PCSZ GetFile(PGLOBAL) {return zfn;} + virtual void SetFile(PGLOBAL, PCSZ fn) {zfn = fn;} + + // Methods + virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n); + virtual int Cardinality(PGLOBAL g); + virtual int GetMaxSize(PGLOBAL g); + virtual int GetRecpos(void) {return 0;} + + // Database routines + 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: + bool open(PGLOBAL g, const char *filename); + void close(void); + + // Members + unzFile zipfile; // The ZIP container file + PCSZ zfn; // The ZIP file name +//PSZ target; + unz_file_info64 finfo; // The current file info + char fn[FILENAME_MAX]; // The current file name + int nexterr; // Next file error +}; // end of class TDBZIP + +/***********************************************************************/ +/* Class ZIPCOL: ZIP access method column descriptor. */ +/***********************************************************************/ +class DllExport ZIPCOL : public COLBLK { + friend class TDBZIP; +public: + // Constructors + ZIPCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i, PCSZ am = "ZIP"); + + // Implementation + virtual int GetAmType(void) { return TYPE_AM_ZIP; } + + // Methods + virtual void ReadColumn(PGLOBAL g); + +protected: + // Default constructor not to be used + ZIPCOL(void) = default; + + // Members + TDBZIP *Tdbz; + int flag; +}; // end of class ZIPCOL |