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#ifndef SC_H_
#define SC_H_
#include <stdio.h>
#include <memory.h>
#define ATBL(tbl, row, col) (*(tbl + row) + (col))
#define MINROWS 100 /* minimum size at startup */
/* MAX rows size of sheet. Default 65536. */
/* Can be changed up to 1048576 in Makefile */
#ifndef MAXROWS
#define MAXROWS 65536
#endif
#define MINCOLS 30
#define ABSMAXCOLS 702 /* MAX cols. (ZZ in base 26) */
#define CRROWS 1
#define CRCOLS 2
/* formats for engformat() */
#define REFMTFIX 0
#define REFMTFLT 1
#define REFMTENG 2
#define REFMTDATE 3
#define REFMTLDATE 4
#define DEFWIDTH 10 /* Default column width and precision */
#define DEFPREC 2
#define DEFREFMT REFMTFIX /* Make default format fixed point THA 10/14/90 */
#define FKEYS 24 /* Number of function keys available */
#define COLFORMATS 10 /* Number of custom column formats */
#define FBUFLEN 1024 /* buffer size for a single field */
#define PATHLEN 1024 /* maximum path length */
#define MAXCMD 160 /* for ! command and commands that use the pager */
#ifndef DFLT_PAGER
#define DFLT_PAGER "more" /* more is probably more widespread than less */
#endif /* DFLT_PAGER */
#ifndef A_CHARTEXT /* Should be defined in curses.h */
#define A_CHARTEXT 0xff
#endif
#ifndef FALSE
# define FALSE 0
# define TRUE 1
#endif
/*
* Some not too obvious things about the flags:
* is_valid means there is a valid number in v.
* is_locked means that the cell cannot be edited.
* is_label set means it points to a valid constant string.
* is_strexpr set means expr yields a string expression.
* If is_strexpr is not set, and expr points to an expression tree, the
* expression yields a numeric expression.
* So, either v or label can be set to a constant.
* Either (but not both at the same time) can be set from an expression.
*/
#define VALID_CELL(p, r, c) ((p = *ATBL(tbl, r, c)) && ((p->flags & is_valid) || p->label))
/* info for each cell, only alloc'd when something is stored in a cell */
struct ent {
double v; /* v && label are set in EvalAll() */
char * label;
struct enode * expr; /* cell's contents */
short flags;
int row, col;
//short nlastrow, nlastcol;
struct ent * next; // used for yanklist, freeents list, undo..
char * format; /* printf format for this cell */
char cellerror; /* error in a cell? */
struct ucolor * ucolor;
int pad; // padding between other cells
};
#define FIX_ROW 1
#define FIX_COL 2
/*
* ent_ptr holds the row/col # and address type of a cell
*
* vf is the type of cell address, 0 non-fixed, or bitwise OR of FIX_ROW or
* FIX_COL
* vp : we just use vp->row or vp->col, vp may be a new cell just for holding
* row/col (say in gram.y) or a pointer to an existing cell
*/
struct ent_ptr {
int vf;
struct ent * vp;
};
// stores a range (left, right)
struct range {
struct ent_ptr r_left, r_right;
char * r_name;
struct range * r_next, * r_prev;
int r_is_range;
};
// holds the beginning/ending cells of a range
struct range_s {
struct ent_ptr left, right;
};
/* stores type of operation this cell will perform */
struct enode {
int op;
union {
struct { /* other cells use to eval() / seval() */
struct enode * left, * right;
char *s; /* previous value of @ext function in case */
} o; /* external functions are turned off */
int gram_match; /* some compilers (hp9000ipc) need this */
double k; /* constant # */
char * s; /* string part of a cell */
struct range_s r; /* op is on a range */
struct ent_ptr v; /* ref. another cell on which this enode depends */
//struct ent_ptr x; /* ref to cells that depends on this enode */
} e;
};
struct impexfilt {
char ext[PATHLEN];
char plugin[PATHLEN];
char type;
struct impexfilt * next;
};
/* Use this structure to save the last 'g' command */
struct go_save {
int g_type;
double g_n;
char * g_s;
int g_row;
int g_col;
int g_lastrow;
int g_lastcol;
int strow;
int stcol;
int stflag;
int errsearch;
};
/* op values */
#define O_VAR 'v'
#define O_CONST 'k'
#define O_ECONST 'E' /* constant cell w/ an error */
#define O_SCONST '$'
#define REDUCE 0200 /* Or'ed into OP if operand is a range */
#define OP_BASE 256
#define ACOS (OP_BASE + 0)
#define ASIN (OP_BASE + 1)
#define ATAN (OP_BASE + 2)
#define CEIL (OP_BASE + 3)
#define COS (OP_BASE + 4)
#define EXP (OP_BASE + 5)
#define FABS (OP_BASE + 6)
#define FLOOR (OP_BASE + 7)
#define HYPOT (OP_BASE + 8)
#define LOG (OP_BASE + 9)
#define LOG10 (OP_BASE + 10)
#define POW (OP_BASE + 11)
#define SIN (OP_BASE + 12)
#define SQRT (OP_BASE + 13)
#define TAN (OP_BASE + 14)
#define DTR (OP_BASE + 15)
#define RTD (OP_BASE + 16)
#define SUM (OP_BASE + 17)
#define PROD (OP_BASE + 18)
#define AVG (OP_BASE + 19)
#define COUNT (OP_BASE + 20)
#define STDDEV (OP_BASE + 21)
#define MAX (OP_BASE + 22)
#define MIN (OP_BASE + 23)
#define RND (OP_BASE + 24)
#define HOUR (OP_BASE + 25)
#define MINUTE (OP_BASE + 26)
#define SECOND (OP_BASE + 27)
#define MONTH (OP_BASE + 28)
#define DAY (OP_BASE + 29)
#define YEAR (OP_BASE + 30)
#define NOW (OP_BASE + 31)
#define DATE (OP_BASE + 32)
#define FMT (OP_BASE + 33)
#define SUBSTR (OP_BASE + 34)
#define STON (OP_BASE + 35)
#define EQS (OP_BASE + 36)
#define EXT (OP_BASE + 37)
#define ELIST (OP_BASE + 38) /* List of expressions */
#define LMAX (OP_BASE + 39)
#define LMIN (OP_BASE + 40)
#define NVAL (OP_BASE + 41)
#define SVAL (OP_BASE + 42)
#define PV (OP_BASE + 43)
#define FV (OP_BASE + 44)
#define PMT (OP_BASE + 45)
#define STINDEX (OP_BASE + 46)
#define LOOKUP (OP_BASE + 47)
#define ATAN2 (OP_BASE + 48)
#define INDEX (OP_BASE + 49)
#define DTS (OP_BASE + 50)
#define TTS (OP_BASE + 51)
#define ABS (OP_BASE + 52)
#define HLOOKUP (OP_BASE + 53)
#define VLOOKUP (OP_BASE + 54)
#define ROUND (OP_BASE + 55)
#define IF (OP_BASE + 56)
#define FILENAME (OP_BASE + 57)
#define MYROW (OP_BASE + 58)
#define MYCOL (OP_BASE + 59)
#define LASTROW (OP_BASE + 60)
#define LASTCOL (OP_BASE + 61)
#define COLTOA (OP_BASE + 62)
#define UPPER (OP_BASE + 63)
#define LOWER (OP_BASE + 64)
#define CAPITAL (OP_BASE + 65)
#define NUMITER (OP_BASE + 66)
#define ERR_ (OP_BASE + 67)
#define PI_ (OP_BASE + 68)
//#define SC_BLACK (OP_BASE + 69)
//#define SC_RED (OP_BASE + 70)
//#define SC_GREEN (OP_BASE + 71)
//#define SC_YELLOW (OP_BASE + 72)
//#define SC_BLUE (OP_BASE + 73)
//#define SC_MAGENTA (OP_BASE + 74)
//#define SC_CYAN (OP_BASE + 75)
//#define SC_WHITE (OP_BASE + 76)
#define SLEN (OP_BASE + 77)
#define ASCII (OP_BASE + 78)
#define CHR (OP_BASE + 79)
#define SET8BIT (OP_BASE + 80)
/* flag values */
#define is_valid 0001
#define is_changed 0002
#define is_strexpr 0004
#define is_leftflush 0010
#define is_deleted 0020
#define is_locked 0040
#define is_label 0100
#define iscleared 0200
#define may_sync 0400
/* cell error (1st generation (ERROR) or 2nd+ (INVALID)) */
#define CELLOK 0
#define CELLERROR 1
#define CELLINVALID 2
/* calculation order */
#define BYCOLS 1
#define BYROWS 2
/* tblprint style output for: */
#define TBL 1 /* 'tbl' */
#define LATEX 2 /* 'LaTeX' */
#define TEX 3 /* 'TeX' */
#define SLATEX 4 /* 'SLaTeX' (Scandinavian LaTeX) */
#define FRAME 5 /* tblprint style output for FrameMaker */
/* Types for etype() */
#define NUM 1
#define STR 2
#define GROWAMT 30 /* default minimum amount to grow */
#define GROWNEW 1 /* first time table */
#define GROWROW 2 /* add rows */
#define GROWCOL 3 /* add columns */
#define GROWBOTH 4 /* grow both */
extern int currow, curcol;
extern int maxrow, maxcol;
extern struct ent *** tbl; // data table ref. in vmtbl.c and ATBL()
extern char curfile[];
extern int arg;
extern int lastrow, lastcol;
extern int gmyrow, gmycol; // globals used for @myrow, @mycol cmds
extern int rescol; // columns reserved for row numbers
extern int maxrows, maxcols; // # cells currently allocated
extern int rowsinrange; // Number of rows in target range of a goto
extern int colsinrange; // Number of cols in target range of a goto
extern int * fwidth;
extern int * precision;
extern int * realfmt;
extern char *colformat[10];
extern char *col_hidden;
extern char *row_hidden;
extern char line[FBUFLEN];
extern int linelim;
extern int changed;
extern int dbidx;
extern int qbuf; // buffer no. specified by `"' command
extern int showsc, showsr; // starting cell of highlighted range
extern int cellassign;
extern int macrofd;
extern int cslop;
extern int usecurses;
extern int brokenpipe; // Set to true if SIGPIPE is received
extern int modflg;
extern char * mdir;
extern char * autorun;
extern int skipautorun;
extern char * fkey[FKEYS];
extern char * scext;
extern int repct;
extern int calc_order;
extern double prescale;
extern int propagation;
//extern int autocalc;
//extern int autolabel;
//extern int autoinsert;
//extern int autowrap;
//extern int showcell;
//extern int showtop;
//extern int craction;
extern int optimize;
extern int color;
extern int numeric;
extern int colorneg;
extern int colorerr;
extern int rndtoeven;
extern int tbl_style;
//extern int pagesize; // If nonzero, use instead of 1/2 screen height
//extern int rowlimit;
//extern int collimit;
extern int loading;
extern struct enode *copye(register struct enode *e, int Rdelta, int Cdelta, int r1, int c1, int r2, int c2, int transpose);
extern char dpoint; // country-dependent decimal point from locale
extern char thsep; // country-dependent thousands separator from locale
extern char * coltoa(int col);
extern char * findplugin(char *ext, char type);
extern char * findhome(char *path);
extern char * r_name(int r1, int c1, int r2, int c2);
extern char * scxmalloc(unsigned n);
extern char * scxrealloc(char *ptr, unsigned n);
//extern char * seval(register struct enode * se);
extern char * seval(register struct ent * ent, register struct enode * se);
extern char * v_name(int row, int col);
//extern double eval(register struct enode *e);
extern double eval(register struct ent * ent, register struct enode * e);
extern struct enode *new(int op, struct enode *a1, struct enode *a2);
extern struct enode *new_const(int op, double a1);
extern struct enode *new_range(int op, struct range_s a1);
extern struct enode *new_str(char *s);
extern struct enode *new_var(int op, struct ent_ptr a1);
extern struct ent *lookat(int row, int col);
extern void EvalAll();
extern void checkbounds(int *rowp, int *colp);
extern void clearent(struct ent *v);
extern void closefile(FILE *f, int pid, int rfd);
extern void colshow_op();
extern struct colorpair *cpairs[8];
extern void editexp(int row, int col);
extern void efree(struct enode *e);
extern void label(register struct ent *v, register char *s, int
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