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//
// MSparseMatrix.h
// MySQLGUICommon
//
// Created by Alfredo Kojima on 3/24/05.
// Copyright 2005 MySQL AB. All rights reserved.
//
#import <Foundation/Foundation.h>
#define MNotFound ((unsigned long)-1)
typedef struct MSparseMatrixColumn {
unsigned long column;
id data;
struct MSparseMatrixColumn *next;
} MSparseMatrixColumn;
typedef struct {
unsigned long row;
MSparseMatrixColumn *column;
} MSparseMatrixRow;
@interface MSparseMatrix : NSObject
{
NSZone *_zone;
MSparseMatrixRow *_rows;
unsigned long _rowCount;
unsigned long _rowSize;
}
- (id)objectAtRow:(unsigned long)row
column:(unsigned long)column;
- (void)setObject:(id)obj
atRow:(unsigned long)row
column:(unsigned long)column;
- (void)removeAllObjects;
- (MSparseMatrixRow*)firstRow;
- (MSparseMatrixRow*)nextRowAfter:(MSparseMatrixRow*)row;
- (MSparseMatrixColumn*)firstColumnInRow:(MSparseMatrixRow*)row;
- (MSparseMatrixColumn*)nextColumnInRow:(MSparseMatrixRow*)row
after:(MSparseMatrixColumn*)column;
@end
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