📄 idapi.h
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typedef SYSVersion far *pSYSVersion;
typedef struct // System configuration (basic)
{
BOOL16 bLocalShare; // If Local files will be shared
UINT16 iNetProtocol; // Net Protocol (35, 40 etc.)
BOOL16 bNetShare; // If Net files will be shared
DBINAME szNetType; // Network type
DBIUSERNAME szUserName; // Network user name
DBIPATH szIniFile; // Configuration file
DBINAME szLangDriver; // System language driver
} SYSConfig;
typedef SYSConfig far *pSYSConfig;
typedef struct // System Status/Info
{
UINT16 iBufferSpace; // in K
UINT16 iHeapSpace; // in K
UINT16 iDrivers; // Active/Loaded drivers
UINT16 iClients; // Active clients
UINT16 iSessions; // Number of sessions (For all clients)
UINT16 iDatabases; // Open databases
UINT16 iCursors; // Number of cursors
} SYSInfo;
typedef SYSInfo far * pSYSInfo;
typedef struct
{
DBINAME szName; // Documentary name
UINT16 iSessions; // Number of sessions
DBIPATH szWorkDir; // Working directory
DBINAME szLang; // System language driver (Client supplied)
} CLIENTInfo;
typedef CLIENTInfo far * pCLIENTInfo;
typedef struct
{
UINT16 iSession; // Session id (1..n)
DBINAME szName; // Documentary name
UINT16 iDatabases; // Open databases
UINT16 iCursors; // Open cursors
INT16 iLockWait; // Lock wait time (in seconds)
DBIPATH szNetDir; // Net directory location
DBIPATH szPrivDir; // Current Private directory
} SESInfo;
typedef SESInfo far * pSESInfo;
//============================================================================
// Table / Field Types
//============================================================================
// Driver Types
#define szPARADOX "PARADOX"
#define szDBASE "DBASE"
#define szASCII "ASCIIDRV"
// Field Types (Logical)
#define fldUNKNOWN 0
#define fldZSTRING 1 // Null terminated string
#define fldDATE 2 // Date (32 bit)
#define fldBLOB 3 // Blob
#define fldBOOL 4 // Boolean (16 bit)
#define fldINT16 5 // 16 bit signed number
#define fldINT32 6 // 32 bit signed number
#define fldFLOAT 7 // 64 bit floating point
#define fldBCD 8 // BCD
#define fldBYTES 9 // Fixed number of bytes
#define fldTIME 10 // Time (32 bit)
#define fldTIMESTAMP 11 // Time-stamp (64 bit)
#define fldUINT16 12 // Unsigned 16 bit integer
#define fldUINT32 13 // Unsigned 32 bit integer
#define fldFLOATIEEE 14 // 80-bit IEEE float
#define fldVARBYTES 15 // Length prefixed var bytes
#define fldLOCKINFO 16 // Look for LOCKINFO typedef
#define MAXLOGFLDTYPES 17 // Number of logical fieldtypes
// Sub Types (Logical)
// fldFLOAT subtype
#define fldstMONEY 21 // Money
// fldBLOB subtypes
#define fldstMEMO 22 // Text Memo
#define fldstBINARY 23 // Binary data
#define fldstFMTMEMO 24 // Formatted Text
#define fldstOLEOBJ 25 // OLE object (Paradox)
#define fldstGRAPHIC 26 // Graphics object
#define fldstDBSOLEOBJ 27 // dBASE OLE object
#define fldstTYPEDBINARY 28 // Typed Binary data
// fldZSTRING subtype
#define fldstPASSWORD 1 // Password
// fldINT32 subtype
#define fldstAUTOINC 29
// Paradox types (Physical)
#define fldPDXCHAR 0x101 // Alpha (string)
#define fldPDXNUM 0x102 // Numeric
#define fldPDXMONEY 0x103 // Money
#define fldPDXDATE 0x104 // Date
#define fldPDXSHORT 0x105 // Short
#define fldPDXMEMO 0x106 // Text Memo (blob)
#define fldPDXBINARYBLOB 0x107 // Binary data (blob)
#define fldPDXFMTMEMO 0x108 // Formatted text (blob)
#define fldPDXOLEBLOB 0x109 // OLE object (blob)
#define fldPDXGRAPHIC 0x10A // Graphics object (blob)
#define fldPDXBLOB fldPDXMEMO
#define fldPDXLONG 0x10B // Long
#define fldPDXTIME 0x10C // Time
#define fldPDXDATETIME 0x10D // Time Stamp
#define fldPDXBOOL 0x10E // Logical
#define fldPDXAUTOINC 0x10F // Auto increment (long)
#define fldPDXBYTES 0x110 // Fixed number of bytes
#define fldPDXBCD 0x111 // BCD (32 digits)
#define fldPDXUNICHAR 0x112 // not supported yet
// xBASE types (Physical)
#define fldDBCHAR 0x201 // Char string
#define fldDBNUM 0x202 // Number
#define fldDBMEMO 0x203 // Memo (blob)
#define fldDBBOOL 0x204 // Logical
#define fldDBDATE 0x205 // Date
#define fldDBFLOAT 0x206 // Float
#define fldDBLOCK 0x207 // Logical type is LOCKINFO
#define fldDBOLEBLOB 0x208 // OLE object (blob)
#define fldDBBINARY 0x209 // Binary data (blob)
#define fldDBBYTES 0x20A // Only for TEMPORARY tables
// xBASE key types (Cannot be used as field types)
#define fldDBKEYNUM 0x210
#define fldDBKEYBCD 0x211
// Ascii types (Physical)
#define fldASCCHAR 0x301 // Char string
#define fldASCNUM 0x302 // Number
#define fldASCBOOL 0x303 // Logical
#define fldASCDATE 0x304 // Date
#define fldASCFLOAT 0x305 // Float
#define fldASCLOCK 0x306 // Not used
#define fldASCTIMESTAMP 0x307 // TimeStamp
#define fldASCTIME 0x308 // Time
#define fldASCLONG 0x309 // Long
#define fldASCMONEY 0x30A // Money
//============================================================================
// Field descriptor
//============================================================================
typedef enum // Field Val Check type
{
fldvNOCHECKS = 0, // Does not have explicit val checks
fldvHASCHECKS = 1, // One or more val checks on the field
fldvUNKNOWN = 2 // Dont know at this time
} FLDVchk;
typedef enum // Field Rights
{
fldrREADWRITE = 0, // Field can be Read/Written
fldrREADONLY = 1, // Field is Read only
fldrNONE = 2, // No Rights on this field
fldrUNKNOWN = 3 // Dont know at this time
} FLDRights;
typedef struct { // Field Descriptor
UINT16 iFldNum; // Field number (1..n)
DBINAME szName; // Field name
UINT16 iFldType; // Field type
UINT16 iSubType; // Field subtype (if applicable)
INT16 iUnits1; // Number of Chars, digits etc
INT16 iUnits2; // Decimal places etc.
UINT16 iOffset; // Offset in the record (computed)
UINT16 iLen; // Length in bytes (computed)
UINT16 iNullOffset; // For Null bits (computed)
FLDVchk efldvVchk; // Field Has vcheck (computed)
FLDRights efldrRights; // Field Rights (computed)
BOOL16 bCalcField; // Is Calculated field (computed)
UINT16 iUnUsed[2];
} FLDDesc;
typedef FLDDesc far *pFLDDesc;
//============================================================================
// Index descriptor
//============================================================================
typedef struct // Index description
{
DBITBLNAME szName; // Index name
UINT16 iIndexId; // Index number
DBINAME szTagName; // Tag name (for dBASE)
DBINAME szFormat; // Optional format (BTREE, HASH etc)
BOOL16 bPrimary; // True, if primary index
BOOL16 bUnique; // True, if unique keys
BOOL16 bDescending; // True, for descending index
BOOL16 bMaintained; // True, if maintained index
BOOL16 bSubset; // True, if subset index
BOOL16 bExpIdx; // True, if expression index
UINT16 iCost; // Not used
UINT16 iFldsInKey; // Fields in the key (1 for Exp)
UINT16 iKeyLen; // Phy Key length in bytes (Key only)
BOOL16 bOutofDate; // True, if index out of date
UINT16 iKeyExpType; // Key type of Expression
DBIKEY aiKeyFld; // Array of field numbers in key
DBIKEYEXP szKeyExp; // Key expression
DBIKEYEXP szKeyCond; // Subset condition
BOOL16 bCaseInsensitive; // True, if case insensitive index
UINT16 iBlockSize; // Block size in bytes
UINT16 iRestrNum; // Restructure number
BOOL16 abDescending[DBIMAXFLDSINKEY]; // TRUE
UINT16 iUnUsed[16];
} IDXDesc;
typedef IDXDesc far *pIDXDesc;
//============================================================================
// Validity check, Referential integrity descriptors
//============================================================================
// Subtypes for Lookup
typedef enum // Paradox Lookup type
{
lkupNONE = 0, // Has no lookup
lkupPRIVATE = 1, // Just Current Field + Private
lkupALLCORRESP = 2, // All Corresponding + No Help
lkupHELP = 3, // Just Current Fld + Help and Fill
lkupALLCORRESPHELP= 4 // All Corresponging + Help
} LKUPType;
#define TODAYVAL 2 // for Min/Max/Def val flags
#define NOWVAL 3 // for Min/Max/Def val flags
// In VCHKDesc below, if any of bHasMinVal/bHasMaxVal/bHasDefVal
// = TODAYVAL, then TODAY is assumed , = NOWVAL, then current time/today is assumed
typedef struct // Val Check structure
{
UINT16 iFldNum; // Field number
BOOL16 bRequired; // If True, value is required
BOOL16 bHasMinVal; // If True, has min value
BOOL16 bHasMaxVal; // If True, has max value
BOOL16 bHasDefVal; // If True, has default value
DBIVCHK aMinVal; // Min Value
DBIVCHK aMaxVal; // Max Value
DBIVCHK aDefVal; // Default value
DBIPICT szPict; // Picture string
LKUPType elkupType; // Lookup/Fill type
DBIPATH szLkupTblName; // Lookup Table name
} VCHKDesc;
typedef VCHKDesc far *pVCHKDesc;
typedef enum // Ref integrity type
{
rintMASTER = 0, // This table is Master
rintDEPENDENT = 1 // This table is Dependent
} RINTType;
typedef enum // Ref integrity action/qualifier
{
rintRESTRICT = 0, // Prohibit operation
rintCASCADE = 1 // Cascade operation
} RINTQual;
typedef struct // Ref Integrity Desc
{
UINT16 iRintNum; // Ref integrity number
DBINAME szRintName; // A name to tag this integegrity constraint
RINTType eType; // Whether master/dependent
DBIPATH szTblName; // Other table name
RINTQual eModOp; // Modify qualifier
RINTQual eDelOp; // Delete qualifier
UINT16 iFldCount; // Fields in foreign key
DBIKEY aiThisTabFld; // Fields in this table
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