197 lines
6.4 KiB
C
197 lines
6.4 KiB
C
#include <AFXWIN.H>
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#if !defined(_DBFDEF_H__INCLUDED_)
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#define _DBFDEF_H__INCLUDED_
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#define MIN_DATE (-657434L) // about year 100
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#define MAX_DATE 2958465L // about year 9999
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#define TG_DBF_CENTURY 1990
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// Memo File types
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#define MEMO_TYPE_DBASE 0x01 // .DBT - dBASE (lower dBASEIV)
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#define MEMO_TYPE_DBASEIV 0x03 // .DBT - dBASE (dBASEIV or higher)
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#define MEMO_TYPE_FOXPRO 0x04 // .FPT - FoxPro
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#define MEMO_TYPE_FOX_DATABASE 0x0C // .DCT - Visual FoxPro Database
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#define MEMO_TYPE_SIX 0x10 // .SMT - HiPer-SIx
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// Memo flag
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#define MF_BINARYREC 0x00000000 // binary memo record in FoxPro
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#define MF_TEXTREC 0x00000001 // text memo record in FoxPro
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#define MF_USEDREC 0x0008FFFF // used memo record in dBASEIV
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// Field types
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#define FLD_TYPE_CHARACTER 'C' // Character
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#define FLD_TYPE_CURRENCY 'Y' // Currency
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#define FLD_TYPE_NUMERIC 'N' // Float or integer
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#define FLD_TYPE_FLOAT 'F' // Float
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#define FLD_TYPE_DATE 'D' // Date
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#define FLD_TYPE_DATETIME 'T' // Date and time
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#define FLD_TYPE_DOUBLE 'B' // Double in FoxPro
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#define FLD_TYPE_BINARY 'B' // Binary in dBASE
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#define FLD_TYPE_INTEGER 'I' // Integer
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#define FLD_TYPE_LOGICAL 'L' // Logical
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#define FLD_TYPE_MEMO 'M' // Memo
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#define FLD_TYPE_GENERAL 'G' // General
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#define FLD_TYPE_PICTURE 'P' // Picture
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#define FLD_TYPE_NULLFLAGS '0' // _NullFlags
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// Lock Style
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#define LS_NOLOCK 0x00
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#define LS_DBASE 0x01
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#define LS_CLIPPER 0x02
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#define LS_FOX 0x04
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// Lock Type
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#define LT_PESSIMISTIC 0x01
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#define LT_OPTIMISTIC 0x02
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// Record flags
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#define REC_FLAG_DELETED '*' // record deleted
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#define REC_FLAG_NORMAL ' ' // record normal
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#define REC_EOF 0x1A // eof of head record or memo record
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// Field flags
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#define FLD_FLAG_SYSTEM 0x01 // System Column (not visible to user)
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#define FLD_FLAG_CANBENULL 0x02 // 0x02 Column can store null values
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#define FLD_FLAG_BINARY 0x04 // 0x04 Binary column (for CHAR and MEMO only)
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// Open flags
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#define TG_DBF_USE_SHARED (CFile::shareDenyNone | CFile::modeReadWrite)
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#define TG_DBF_USE_EXCLUSIVE (CFile::shareExclusive | CFile::modeReadWrite)
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#define TG_DBF_USE_READ_ONLY (CFile::shareDenyNone | CFile::modeRead)
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// DBF file types
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#define DBF_BOOL unsigned char // 1 byte
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#define DBF_CHAR char // 1 byte
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#define DBF_UCHAR unsigned char // 1 byte
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#define DBF_INT short // 2 bytes
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#define DBF_UINT unsigned short // 2 bytes
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#define DBF_LONG long // 4 bytes
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#define DBF_ULONG unsigned long // 4 bytes
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#define DBF_DOUBLE double // 8 bytes
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#define QWORD __int64 // 4 WORD - 8 bytes
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// Swap byte definition
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#define _SWAP_WORD_BYTE(w) (/**/ (((w)<<8) & 0xFF00)|(((w)>>8) & 0x00FF) /**/)
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#define SWAP_WORD_BYTE(l) (_SWAP_WORD_BYTE((WORD)(l)))
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#define _SWAP_DWORD_BYTE(dw) (/**/ ((dw)<<24)|(((dw)<<8) & 0x00FF0000)|(((dw)>>8) & 0x0000FF00)|((dw)>>24) /**/)
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#define SWAP_DWORD_BYTE(l) (_SWAP_DWORD_BYTE((DWORD)(l)))
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#define _SWAP_QWORD_BYTE(qw) (/**/ ((QWORD)SWAP_DWORD_BYTE(qw>>32)) | ((QWORD)SWAP_DWORD_BYTE(qw))<<32 /**/)
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#define SWAP_QWORD_BYTE(l) (_SWAP_QWORD_BYTE((QWORD)(l)))
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#define HIDWORD(l) ((DWORD) (((QWORD) (l) >> 32) & 0xFFFFFFFF))
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#define LODWORD(l) ((DWORD) (l))
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//static VARIANT NullVariant = { VT_NULL, 0, 0, 0, 0 };
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#pragma pack(1)
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typedef struct
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{
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DBF_UCHAR dbf_id; // 0x02 FoxBASE
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// 0x03 FoxBASE+/dBASE III PLUS, no memo
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// 0x30 Visual FoxPro
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// 0x43 dBASE IV SQL table files, no memo
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// 0x63 dBASE IV SQL system files, no memo
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// 0x83 FoxBASE+/dBASE III PLUS, with memo
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// 0x8B dBASE IV with memo
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// 0xCB dBASE IV SQL table files, with memo
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// 0xE5 HiPer-SIx with memo (.SMT)
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// 0xF5 FoxPro 2.x (or earler) with memo
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// 0xFB FoxBASE
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DBF_CHAR last_update[3];// Last update (YYMMDD)
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// Fox: curent century + YY
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// dBase: 1900 + YY
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// SIx: 0x700(1792) + YY
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DBF_LONG last_rec; // Number of record in file
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DBF_UINT data_offset; // Position of first data record
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DBF_UINT rec_size; // Lenght of one data record (including delete flag)
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DBF_CHAR filler[16]; // Reserved
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DBF_CHAR table_flag; // Table Flags (Only Visual Foxpro)
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// 0x01 file has structural .cdx or .mdx
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// 0x02 file has a Memo field
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// 0x04 file is a database .dbc
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// Note that this byte can contain the sum of
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// any of the above values.
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DBF_UCHAR code_page; // Code page mark
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// 0x01 437 U.S. MS-DOS
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// 0x69 620 Mazovia (Polish) MS-DOS
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// 0x6A 737 Greek MS-DOS (437G)
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// 0x02 850 International MS-DOS
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// 0x64 852 Eastern European MS-DOS
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// 0x67 861 Icelandic MS-DOS
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// 0x66 865 Nordic MS-DOS
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// 0x65 866 Russian MS-DOS
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// 0x68 895 Kamenicky (Czech) MS-DOS
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// 0x6B 857 Turkish MS-DOS
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// 0xC8 1250 Eastern European Windows
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// 0xC9 1251 Russian Windows
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// 0x03 1252 Windows ANSI
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// 0xCB 1253 Greek Windows
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// 0xCA 1254 Turkish Windows
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// 0x04 10000 Standard Macintosh
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// 0x98 10006 Greek Macintosh
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// 0x96 10007 Russian Macintosh
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// 0x97 10029 Eastern European Macintosh
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DBF_UINT reserved; // Recerved, contains 0x00
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} DBF_HEAD;
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typedef struct
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{
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DBF_ULONG next_block; // Next free block
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DBF_UINT reserved; // Reserved
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DBF_UINT block_size; // Block size
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} FPT_HEAD;
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typedef struct
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{
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DBF_ULONG next_block; // Next free block
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DBF_LONG reserved1; // Reserved
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DBF_CHAR dbf_file_name[9]; // Name parent DBF table
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DBF_CHAR reserved2[3]; // Reserved
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DBF_UINT block_size; // Block size
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} DBT_HEAD;
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typedef struct
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{
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DBF_ULONG next_block; // Next free block
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DBF_LONG block_size; // Block size
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DBF_CHAR description[8]; // Description
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DBF_UINT reserved; // Reserved
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DBF_UINT free_rec_count; // Free rec count
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DBF_CHAR free_rec_ptr[490]; // Pointers on free record
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} SMT_HEAD;
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typedef struct
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{
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DBF_CHAR field_name[11];// Field name
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DBF_CHAR field_type; // Field type
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DBF_LONG field_offset; // Pointer on field offset in the record
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union LEN_INFO
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{
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DBF_UINT char_len;
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struct NUM_SIZE
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{
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DBF_CHAR len; // Field len
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DBF_CHAR dec; // Field decimal
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} num_size;
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} len_info;
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DBF_CHAR field_flag; // Field flag
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// 0x01 System Column (not visible to user)
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// 0x02 Column can store null values
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// 0x04 Binary column (for CHAR and MEMO only)
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DBF_CHAR filler[13]; // Non used
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} FIELD_REC;
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#pragma pack()
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/*
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void IEEE2DBF(double* db);
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double DBF2IEEE(DBF_CHAR* key);
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*/
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//{{_INSERT_LOCATION}}
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#endif // !defined(_DBFDEF_H__INCLUDED_)
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