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EDITC.LZH
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ED5.C
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1985-08-18
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2KB
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158 lines
/* ED5.C */
#include "ed0.c"
#include "ed1.ccc"
int fmtrev;
int fmttab;
int fmtdev;
int fmtwidth;
int fmtcol[MAXLEN1];
tablength()
{
return(fmttab);
}
fmtytab()
{
fmtrev=YES;
}
fmtntab()
{
fmtrev=NO;
}
fmtassn(listflag) int listflag;
{
if (listflag==YES) {
fmtdev=YES;
fmtwidth=LISTW;
}
else {
fmtdev=NO;
fmtwidth=SCRNW1;
}
}
fmtadj(buf,minind,maxind) char *buf; int minind,maxind;
{
int k;
fmtcol[0]=0;
k=minind;
while (k<maxind) {
if (buf[k]==CR) {
break;
}
fmtcol[k+1]=fmtcol[k]+fmtchlen(buf[k],fmtcol[k]);
k++;
}
}
fmtlen(buf,i) char *buf; int i;
{
return(fmtcol[i]);
}
fmtsubs(buf,i,j) char *buf; int i,j;
{
int k;
if (fmtcol[i]>=fmtwidth) {
return;
}
outxy(fmtcol[i],outyget());
while (i<j) {
if (buf[i]==CR) {
break;
}
if (fmtcol[i+1]>fmtwidth) {
break;
}
fmtoutch(buf[i],fmtcol[i]);
i++;
}
if (fmtcol[i]<SCRNW1) { /* modified to allow full screen width */
outdeol();
}
}
fmtsout(buf,offset) char *buf; int offset;
{
char c;
int col,k;
col=0;
while (c= *buf++) {
if (c==CR) {
break;
}
k=fmtchlen(c,col);
if ((col+k+offset)>fmtwidth) {
break;
}
fmtoutch(c,col);
col=col+k;
}
return(col); /* fmtsout() now returns column value */
}
fmtchlen(c,col) char c; int col;
{
if (c==TAB) {
return(fmttab-(col%fmttab));
}
else if ((c<32)&(fmtdev==NO)) {
return(2);
}
else {
return(1);
}
}
fmtoutch(c,col) char c; int col;
{
int k;
if (c==TAB) {
k=fmtchlen(TAB,col);
if ((fmtdev==NO)&(fmtrev==YES)) {
/*show tab characters in reverse video */
scr_chr_attr(SETREVERSE);
}
while ((k--)>0) {
fmtchdev(' ');
}
if ((fmtdev==NO)&(fmtrev==YES)) {
scr_chr_attr(SETNORMAL);
}
}
else if (c<32) {
/* show control characters in reverse video */
if (fmtdev==NO) {
scr_chr_attr(SETREVERSE);
fmtchdev(c+64);
scr_chr_attr(SETNORMAL);
}
else {
fmtchdev('^');
fmtchdev(c+64);
}
}
else {
fmtchdev(c);
}
}
fmtchdev(c) char c;
{
if (fmtdev==YES) {
syslout(c);
}
else {
outchar(c);
}
}
fmtcrlf()
{
if (fmtdev==YES) {
syslout(CR);
syslout(LF);
}
else {
outxy(0,SCRNL1);
syscout(CR);
syscout(LF);
}
}
fmtset(n) int n;
{
fmttab=max(1,n);
}