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/*
* bltTuple.h --
*
* Copyright 1998-1999 Lucent Technologies, Inc.
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that the above copyright notice appear in all
* copies and that both that the copyright notice and warranty
* disclaimer appear in supporting documentation, and that the names
* of Lucent Technologies or any of their entities not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission.
*
* Lucent Technologies disclaims all warranties with regard to this
* software, including all implied warranties of merchantability and
* fitness. In no event shall Lucent Technologies be liable for any
* special, indirect or consequential damages or any damages
* whatsoever resulting from loss of use, data or profits, whether in
* an action of contract, negligence or other tortuous action, arising
* out of or in connection with the use or performance of this
* software.
*
* The tuple data object was created by George A. Howlett.
*/
#ifndef _BLT_TUPLE_H
#define _BLT_TUPLE_H
#include <bltChain.h>
#include <bltHash.h>
#include <bltPool.h>
/*
* array or row pointers
* _
* |_---> [row index
* |_ [#columns array of Tcl_Objs
* |_ [tuple pointer ---> [ . . . . . ]
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
* |_
*
*/
typedef struct Blt_TupleRowStruct *Blt_Tuple;
typedef struct Blt_TupleTraceStruct *Blt_TupleTrace;
typedef struct Blt_TupleNotifierStruct *Blt_TupleNotifier;
typedef struct Blt_TupleClientStruct *Blt_TupleTable;
typedef struct Blt_TupleColumnStruct Blt_TupleColumn;
typedef struct Blt_TupleRowStruct Blt_TupleRow;
typedef struct Blt_TupleTagTableStruct Blt_TupleTagTable;
#define TUPLE_NOTIFY_CREATE_COLUMN (1<<0)
#define TUPLE_NOTIFY_CREATE_ROW (1<<1)
#define TUPLE_NOTIFY_CREATE \
(TUPLE_NOTIFY_CREATE_COLUMN|TUPLE_NOTIFY_CREATE_ROW)
#define TUPLE_NOTIFY_DELETE_ROW (1<<2)
#define TUPLE_NOTIFY_DELETE_COLUMN (1<<3)
#define TUPLE_NOTIFY_DELETE \
(TUPLE_NOTIFY_DELETE_COLUMN|TUPLE_NOTIFY_DELETE_ROW)
#define TUPLE_NOTIFY_MOVE (1<<4)
#define TUPLE_NOTIFY_SORT (1<<5)
#define TUPLE_NOTIFY_RELABEL (1<<6)
#define TUPLE_NOTIFY_ALL \
(TUPLE_NOTIFY_CREATE | TUPLE_NOTIFY_DELETE | TUPLE_NOTIFY_MOVE | \
TUPLE_NOTIFY_SORT | TUPLE_NOTIFY_RELABEL)
#define TUPLE_NOTIFY_MASK (TUPLE_NOTIFY_ALL)
#define TUPLE_NOTIFY_WHENIDLE (1<<8)
#define TUPLE_NOTIFY_FOREIGN_ONLY (1<<9)
#define TUPLE_NOTIFY_ACTIVE (1<<10)
typedef struct {
int type; /* Indicates type of event received. */
int row; /* Index of tuple receiving the event. */
Tcl_Interp *interp; /* Interpreter to report to */
Blt_TupleTable table; /* Tuple object client that received
* the event. */
} Blt_TupleNotifyEvent;
typedef int (Blt_TupleNotifyEventProc)(ClientData clientData,
Blt_TupleNotifyEvent *eventPtr);
struct Blt_TupleNotifierStruct {
Blt_TupleTable table;
Blt_ChainLink *linkPtr;
Blt_TupleNotifyEvent event;
Blt_TupleNotifyEventProc *proc;
ClientData clientData;
Tcl_Interp *interp;
char *key;
int notifyPending;
unsigned int mask;
};
EXTERN Blt_TupleNotifier Blt_TupleCreateNotifier(Blt_TupleTable table,
unsigned int mask, Blt_TupleNotifyEventProc *proc,
ClientData clientData);
EXTERN void Blt_TupleDeleteNotifier(Blt_TupleNotifier notifier);
typedef struct {
char *tagName;
Blt_HashEntry *hashPtr;
Blt_HashTable rowTable; /* Hash table of row pointers. This
* represents all the rows tagged by
* this tag. */
} Blt_TupleTagEntry;
typedef struct {
Blt_TupleTable table;
int tagType;
unsigned int row, nRows;
Blt_HashSearch cursor;
Blt_HashTable *rowTablePtr;
} Blt_TupleTagSearch;
EXTERN Blt_Tuple Blt_TupleFirstTagged(Tcl_Interp *interp, Blt_TupleTable table,
Tcl_Obj *objPtr, Blt_TupleTagSearch *cursorPtr);
EXTERN Blt_Tuple Blt_TupleNextTagged(Blt_TupleTagSearch *cursorPtr);
EXTERN void Blt_TupleClearTags(Blt_TupleTable table, Blt_Tuple tuple);
EXTERN void Blt_TupleRemoveTag(Blt_TupleTable table, Blt_Tuple tuple,
CONST char *tagName);
EXTERN int Blt_TupleHasTag(Blt_TupleTable table, Blt_Tuple tuple,
CONST char *tagName);
EXTERN void Blt_TupleAddTag(Blt_TupleTable table, Blt_Tuple tuple,
CONST char *tagName);
EXTERN void Blt_TupleForgetTag(Blt_TupleTable table, CONST char *tagName);
EXTERN Blt_HashTable *Blt_TupleTagHashTable(Blt_TupleTable table,
CONST char *tagName);
EXTERN int Blt_TupleTagTableIsShared(Blt_TupleTable table);
#define TUPLE_TRACE_UNSET (1<<3)
#define TUPLE_TRACE_WRITE (1<<4)
#define TUPLE_TRACE_READ (1<<5)
#define TUPLE_TRACE_CREATE (1<<6)
#define TUPLE_TRACE_ALL \
(TUPLE_TRACE_UNSET | TUPLE_TRACE_WRITE | TUPLE_TRACE_READ | \
TUPLE_TRACE_CREATE)
#define TUPLE_TRACE_MASK (TUPLE_TRACE_ALL)
#define TUPLE_TRACE_FOREIGN_ONLY (1<<8)
#define TUPLE_TRACE_ACTIVE (1<<9)
typedef int (Blt_TupleTraceProc)(ClientData clientData, Tcl_Interp *interp,
unsigned int row, unsigned int column, unsigned int flags);
struct Blt_TupleTraceStruct {
Tcl_Interp *interp;
Blt_ChainLink *linkPtr;
Blt_TupleTable table;
Blt_Tuple tuple;
CONST char **keys;
char *withTag;
unsigned int mask;
Blt_TupleTraceProc *proc;
ClientData clientData;
};
EXTERN Blt_TupleTrace Blt_TupleCreateTrace(Blt_TupleTable table,
Blt_Tuple tuple, CONST char *tagName, CONST char *keyList,
unsigned int mask, Blt_TupleTraceProc *proc, ClientData clientData);
EXTERN void Blt_TupleDeleteTrace(Blt_TupleTrace trace);
EXTERN int Blt_TupleGetValueByIndex(Tcl_Interp *interp, Blt_TupleTable table,
unsigned int row, unsigned int column, Tcl_Obj **objPtrPtr);
EXTERN int Blt_TupleSetValueByIndex(Tcl_Interp *interp, Blt_TupleTable table,
unsigned int row, unsigned int column, Tcl_Obj *objPtr);
EXTERN int Blt_TupleUnsetValueByIndex(Tcl_Interp *interp, Blt_TupleTable table,
unsigned int row, unsigned int column);
EXTERN int Blt_TupleGetValue(Tcl_Interp *interp, Blt_TupleTable table,
Blt_Tuple tuple, CONST char *key, Tcl_Obj **objPtrPtr);
EXTERN int Blt_TupleSetValue(Tcl_Interp *interp, Blt_TupleTable table,
Blt_Tuple tuple, CONST char *key, Tcl_Obj *objPtr);
EXTERN int Blt_TupleUnsetValue(Tcl_Interp *interp, Blt_TupleTable table,
Blt_Tuple tuple, CONST char *key);
EXTERN int Blt_TupleGetArrayValue(Tcl_Interp *interp, Blt_TupleTable table,
Blt_Tuple tuple, CONST char *key, CONST char *elemName,
Tcl_Obj **objPtrPtr);
EXTERN int Blt_TupleSetArrayValue(Tcl_Interp *interp, Blt_TupleTable table,
Blt_Tuple tuple, CONST char *key, CONST char *elemName,
Tcl_Obj *objPtr);
EXTERN int Blt_TupleUnsetArrayValue(Tcl_Interp *interp, Blt_TupleTable table,
Blt_Tuple tuple, CONST char *key, CONST char *elemName);
EXTERN unsigned int Blt_TupleAddColumn(Blt_TupleTable table, CONST char *key,
int *isNewPtr);
EXTERN unsigned int Blt_TupleRowIndex(Blt_Tuple tuple);
EXTERN CONST char *Blt_TupleGetColumnKey(Blt_TupleTable table, int column);
EXTERN Blt_HashEntry *Blt_TupleFirstTag(Blt_TupleTable table,
Blt_HashSearch *cursorPtr);
EXTERN Blt_Tuple Blt_TupleGetTupleByIndex(Blt_TupleTable table,
unsigned int row);
EXTERN int Blt_TupleExtendRows(Blt_TupleTable table, unsigned int extra);
EXTERN Blt_Tuple Blt_TupleNextTuple(Blt_TupleTable table, Blt_Tuple tuple);
EXTERN void Blt_TupleStartDeleteRows(Blt_TupleTable table);
EXTERN void Blt_TupleDeleteTuple(Blt_TupleTable table, Blt_Tuple tuple);
EXTERN void Blt_TupleEndDeleteRows(Blt_TupleTable table);
EXTERN int Blt_TupleTableExists(Tcl_Interp *interp, CONST char *objName);
EXTERN int Blt_TupleCreateTable(Tcl_Interp *interp, CONST char *name,
Blt_TupleTable *tablePtr);
EXTERN int Blt_TupleGetTable(Tcl_Interp *interp, CONST char *name,
Blt_TupleTable *tablePtr);
EXTERN void Blt_TupleReleaseTable(Blt_TupleTable table);
EXTERN CONST char *Blt_TupleTableName(Blt_TupleTable table);
EXTERN unsigned int Blt_TupleTableLength(Blt_TupleTable table);
EXTERN unsigned int Blt_TupleTableWidth(Blt_TupleTable table);
#endif /* BLT_TUPLE_H */
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