Document.h

/*---------------------------------------------------------------------------------*
 *  "document.h"
 *
 *  Declarations for the document class.  These load, store,
 *  initialize, and provide access to the data in the spreadsheet
 *  document.
 *
 *  Stephen R. Schmitt
 *
 *  January 1999
 */

#ifndef DOCUMENT_H
#define DOCUMENT_H

#include <assert.h>
#include <ctype.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "scalc.h"

// The spreadsheet is an array of Cells.  Each Cell has storage for
// an expression and acts as memory for the variable identified by the
// cell's coordinates in the spread sheet.  This is the data structure
// of each cell:
typedef struct
{
    int status;                                     // status of cell
    int errloc;                                     // error location, if any
    double val;                                     // last calculated cell value
    char contents[MAX_CONTENTS];                    // formula or some text
}
CELL_TP;

/*---------------------------------------------------------------------------------*
 *  "document" class declarations
 *
 *  uses CELL_TP structure and TOKEN
 */
class document
{
public:
    document();
    ~document();
    void   put_filename( char * );
    void   get_filename( char * );
    void   put_cell_contents( int, int, char * );
    void   get_cell_contents( int, int, char * );
    void   put_cell_status( int, int, int );
    int    get_cell_status( int, int );
    void   put_cell_errloc( int, int, int );
    int    get_cell_errloc( int, int );
    void   put_cell_value( int, int, double );
    double get_cell_value( int, int );
    void   clear_sheet();
    bool   save();
    bool   load();

private:
    char    filename[MAX_CONTENTS];                 // file name of spread sheet
    CELL_TP *sheet[CXmax][CYmax];                   // array of pointers to cells
};

#endif