const char *CTabFmt::NumFmt(ColFmt &col, const char *szDat, char *szOut, int cbOut, double *rVal)
{
int i, len;
double val;
const char *p;
if (szDat && ((col.dec > -1) || col.sum))
val = strtodx(szDat);
else
val = 0.0;
*szOut++ = '\0'; --cbOut;
if ((col.dec > -1) || col.sum) {
if (col.dec > -1) {
if (val == 0.0) {
if (col.zer == '-') {
len = _snprintf(szOut, cbOut, "%*s", col.dec+2, "-");
} else if (col.zer == ' ' || col.zer == '_') {
len = 0; *szOut = '\0';
} else {
len = _snprintf(szOut, cbOut, "%.*f", col.dec, val);
}
if (col.dch && col.dch != '.') {
char *n;
if ((n = strchr(szOut, '.'))) {
*n = col.dch;
}
}
p = szOut;
} else {
len = _snprintf(szOut, cbOut, "%.*f", col.dec, val);
if (col.dec > 0 && col.trz) {
int t = col.dec - col.trz + 1;
p = szOut + len - 1;
while (t-- > 0 && *p == '0' && *p != '.')
((char&) *p--) = ' ';
}
if (fabs(val) >= 1000.0) {
char *n = szOut + cbOut - 1;
*n-- = '\0';
p = szOut + len - 1;
if (col.dec > 0)
while ((*n-- = *p--) != '.');
else if (*p == '.')
--p;
if (*n && n[1] == '.' && col.dch)
n[1] = col.dch;
if (*p) {
*n-- = *p--;
i = 0;
while (*p) {
if (col.tho && isdigit(*p)) {
++i;
if (!(i % 3)) *n--=col.tho;
}
*n-- = *p--;
}
}
p = n + 1;
} else {
if (col.dch && col.dch != '.') {
char *n;
if ((n = strchr(szOut, '.'))) {
*n = col.dch;
}
}
p = szOut;
}
}
} else {
p = szDat;
}
} else {
p = szDat;
}
*rVal = val;
return p;
}
int getlex () /* ввод лексемы */
{
/* побочный эффект - заполнение lexval и lexsym */
register int c, i, radix = 10, neg = 0;
if (backlexflag) {
backlexflag = 0;
return (lexlex);
}
loop:
switch (c = getchar ()) {
case EOF:
return (0);
case ';':
while ((c = getchar ()) >= 0 && c!='\n')
continue;
case ' ': case '\t': case '\f': case '\n': case '\r':
goto loop;
case '"':
lexlen = 0;
while ((c = getchar ()) >= 0 && c!='"') {
if (c == '\\') {
c = getchar ();
if (c < 0)
break;
switch (c) {
case '\n': continue;
case 'n': c = '\n'; break;
case 't': c = '\t'; break;
case 'r': c = '\r'; break;
case 'b': c = '\b'; break;
case 'f': c = '\f'; break;
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
c = getoct (c);
break;
}
}
lexsym[lexlen++] = c;
}
return (lexlex = TSTRING);
case '#':
c = getchar ();
switch (c) {
default: ungetc (c, stdin); return (lexlex = '#');
case '(': return (lexlex = TVECTOR);
case '\\': lexval = getchr (); return (lexlex = TCHAR);
case 't': case 'T': lexval = 1; return (lexlex = TBOOL);
case 'f': case 'F': lexval = 0; return (lexlex = TBOOL);
case 'b': case 'B': radix = 2; break;
case 'o': case 'O': radix = 8; break;
case 'd': case 'D': radix = 10; break;
case 'x': case 'X': radix = 16; break;
}
c = getchar ();
if (! isdigitx (c, radix) && c!='-' && c!='+' && c!='.') {
ungetc (c, stdin);
lexval = 0;
return (lexlex = TINTEGER);
}
break;
}
if (c=='-' || c=='+') {
lexsym[0] = c;
c = getchar ();
if (! isdigitx (c, radix)) {
ungetc (c, stdin);
c = lexsym[0];
goto lexsym;
}
neg = (lexsym[0] == '-');
}
if (isdigitx (c, radix) || c=='.') {
i = 0;
while (i < MAXLEX-1 && c>=0 && isdigitx (c, radix)) {
lexsym[i++] = c;
c = getchar ();
}
if ((c=='.' || c=='E' || c=='e' || c=='S' ||
c=='s' || c=='F' || c=='f' || c=='D' ||
c=='d' || c=='L' || c=='l') && i<MAXLEX-1) {
if (c=='.') {
lexsym[i++] = c;
c = getchar ();
while (i < MAXLEX-1 && c>=0 && isdigitx (c, radix)) {
lexsym[i++] = c;
c = getchar ();
}
}
if ((c=='E' || c=='e' || c=='S' || c=='s' ||
c=='F' || c=='f' || c=='D' || c=='d' ||
c=='L' || c=='l') && i<MAXLEX-1) {
lexsym[i++] = c;
c = getchar ();
if ((c=='+' || c=='-') && i<MAXLEX-1) {
lexsym[i++] = c;
c = getchar ();
}
while (i < MAXLEX-1 && c>=0 && isdigitx (c, radix)) {
lexsym[i++] = c;
c = getchar ();
}
}
if (c >= 0)
ungetc (c, stdin);
lexsym[i] = 0;
lexrealval = strtodx (lexsym, 0, radix);
if (neg)
lexrealval = -lexrealval;
return (lexlex = TREAL);
}
if (c >= 0)
ungetc (c, stdin);
lexsym[i] = 0;
lexval = strtol (lexsym, 0, radix);
if (neg)
lexval = -lexval;
return (lexlex = TINTEGER);
}
if (isletterx (c)) {
lexsym: i = 0;
while (i < MAXLEX-1) {
lexsym[i++] = c;
c = getchar ();
if (c < 0)
break;
if (! isletterx (c)) {
ungetc (c, stdin);
break;
}
}
if (i == 1 && lexsym[0] == '.')
return (lexlex = '.');
lexsym[i] = 0;
return (lexlex = TSYMBOL);
}
return (lexlex = c);
}
