cubedata.h File Reference

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Data Structures
struct	NDBOX

Macros
#define	CUBE_MAX_DIM   (100)
#define	POINT_BIT   0x80000000
#define	DIM_MASK   0x7fffffff
#define	IS_POINT(cube)   ( ((cube)->header & POINT_BIT) != 0 )
#define	SET_POINT_BIT(cube)   ( (cube)->header |= POINT_BIT )
#define	DIM(cube)   ( (cube)->header & DIM_MASK )
#define	SET_DIM(cube, _dim)   ( (cube)->header = ((cube)->header & ~DIM_MASK) | (_dim) )
#define	LL_COORD(cube, i)   ( (cube)->x[i] )
#define	UR_COORD(cube, i)   ( IS_POINT(cube) ? (cube)->x[i] : (cube)->x[(i) + DIM(cube)] )
#define	POINT_SIZE(_dim)   (offsetof(NDBOX, x) + sizeof(double)*(_dim))
#define	CUBE_SIZE(_dim)   (offsetof(NDBOX, x) + sizeof(double)*(_dim)*2)
#define	DatumGetNDBOXP(x)   ((NDBOX *) PG_DETOAST_DATUM(x))
#define	PG_GETARG_NDBOX_P(x)   DatumGetNDBOXP(PG_GETARG_DATUM(x))
#define	PG_RETURN_NDBOX_P(x)   PG_RETURN_POINTER(x)
#define	CubeKNNDistanceCoord   15 /* ~> */
#define	CubeKNNDistanceTaxicab   16 /* <#> */
#define	CubeKNNDistanceEuclid   17 /* <-> */
#define	CubeKNNDistanceChebyshev   18 /* <=> */
#define	YYSTYPE   char *

Typedefs
typedef struct NDBOX	NDBOX
typedef void *	yyscan_t

Functions
int	cube_yylex (YYSTYPE *yylval_param, yyscan_t yyscanner)
void	cube_yyerror (NDBOX **result, Size scanbuflen, struct Node *escontext, yyscan_t yyscanner, const char *message)
void	cube_scanner_init (const char *str, Size *scanbuflen, yyscan_t *yyscannerp)
void	cube_scanner_finish (yyscan_t yyscanner)
int	cube_yyparse (NDBOX **result, Size scanbuflen, struct Node *escontext, yyscan_t yyscanner)

Macro Definition Documentation

CUBE_MAX_DIM

#define CUBE_MAX_DIM   (100)

Definition at line 7 of file cubedata.h.

CUBE_SIZE

#define CUBE_SIZE

(

_dim

)

(offsetof(NDBOX, x) + sizeof(double)*(_dim)*2)

Definition at line 49 of file cubedata.h.

CubeKNNDistanceChebyshev

#define CubeKNNDistanceChebyshev   18 /* <=> */

Definition at line 60 of file cubedata.h.

CubeKNNDistanceCoord

#define CubeKNNDistanceCoord   15 /* ~> */

Definition at line 57 of file cubedata.h.

CubeKNNDistanceEuclid

#define CubeKNNDistanceEuclid   17 /* <-> */

Definition at line 59 of file cubedata.h.

CubeKNNDistanceTaxicab

#define CubeKNNDistanceTaxicab   16 /* <#> */

Definition at line 58 of file cubedata.h.

DatumGetNDBOXP

#define DatumGetNDBOXP

(

x

)

((NDBOX *) PG_DETOAST_DATUM(x))

Definition at line 52 of file cubedata.h.

DIM

#define DIM

(

cube

)

( (cube)->header & DIM_MASK )

Definition at line 42 of file cubedata.h.

DIM_MASK

#define DIM_MASK   0x7fffffff

Definition at line 38 of file cubedata.h.

IS_POINT

#define IS_POINT

(

cube

)

( ((cube)->header & POINT_BIT) != 0 )

Definition at line 40 of file cubedata.h.

LL_COORD

#define LL_COORD	(		cube,
			i
	)		( (cube)->x[i] )

Definition at line 45 of file cubedata.h.

PG_GETARG_NDBOX_P

#define PG_GETARG_NDBOX_P

(

x

)

DatumGetNDBOXP(PG_GETARG_DATUM(x))

Definition at line 53 of file cubedata.h.

PG_RETURN_NDBOX_P

#define PG_RETURN_NDBOX_P

(

x

)

PG_RETURN_POINTER(x)

Definition at line 54 of file cubedata.h.

POINT_BIT

#define POINT_BIT   0x80000000

Definition at line 37 of file cubedata.h.

POINT_SIZE

#define POINT_SIZE

(

_dim

)

(offsetof(NDBOX, x) + sizeof(double)*(_dim))

Definition at line 48 of file cubedata.h.

SET_DIM

#define SET_DIM	(		cube,
			_dim
	)		( (cube)->header = ((cube)->header & ~DIM_MASK) | (_dim) )

Definition at line 43 of file cubedata.h.

SET_POINT_BIT

#define SET_POINT_BIT

(

cube

)

( (cube)->header |= POINT_BIT )

Definition at line 41 of file cubedata.h.

UR_COORD

#define UR_COORD	(		cube,
			i
	)		( IS_POINT(cube) ? (cube)->x[i] : (cube)->x[(i) + DIM(cube)] )

Definition at line 46 of file cubedata.h.

YYSTYPE

#define YYSTYPE   char *

Definition at line 64 of file cubedata.h.

Typedef Documentation

NDBOX

typedef struct NDBOX NDBOX

yyscan_t

typedef void* yyscan_t

Definition at line 67 of file cubedata.h.

Function Documentation

cube_scanner_finish()

void cube_scanner_finish

(

yyscan_t

yyscanner

)

Definition at line 121 of file cubescan.l.

{
    yylex_destroy(yyscanner);
}

Referenced by cube_in().

cube_scanner_init()

void cube_scanner_init	(	const char *	str,
		Size *	scanbuflen,
		yyscan_t *	yyscannerp
	)

Definition at line 102 of file cubescan.l.

{
    Size        slen = strlen(str);
    yyscan_t    yyscanner;
 
    if (yylex_init(yyscannerp) != 0)
        elog(ERROR, "yylex_init() failed: %m");
 
    yyscanner = *yyscannerp;
 
    yy_scan_bytes(str, slen, yyscanner);
    *scanbuflen = slen;
}

References elog, ERROR, and str.

Referenced by cube_in().

cube_yyerror()

void cube_yyerror	(	NDBOX **	result,
		Size	scanbuflen,
		struct Node *	escontext,
		yyscan_t	yyscanner,
		const char *	message
	)

Definition at line 71 of file cubescan.l.

{
    struct yyguts_t *yyg = (struct yyguts_t *) yyscanner;   /* needed for yytext
                                                             * macro */
 
    if (*yytext == YY_END_OF_BUFFER_CHAR)
    {
        errsave(escontext,
                (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
                 errmsg("invalid input syntax for cube"),
        /* translator: %s is typically "syntax error" */
                 errdetail("%s at end of input", message)));
    }
    else
    {
        errsave(escontext,
                (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
                 errmsg("invalid input syntax for cube"),
        /* translator: first %s is typically "syntax error" */
                 errdetail("%s at or near \"%s\"", message, yytext)));
    }
}

References errcode(), errdetail(), errmsg(), and errsave.

cube_yylex()

int cube_yylex	(	YYSTYPE *	yylval_param,
		yyscan_t	yyscanner
	)

cube_yyparse()

int cube_yyparse	(	NDBOX **	result,
		Size	scanbuflen,
		struct Node *	escontext,
		yyscan_t	yyscanner
	)

Referenced by cube_in().