/*
* Display a new line at physical line p, returning
* the depth of the newly displayed line. We may decide
* to expand the window on an intelligent terminal if it is
* less than a full screen by deleting a line above the top of the
* window before doing an insert line to keep all the good text
* on the screen in which case the line may actually end up
* somewhere other than line p.
*/
void
vopen(line *tp, int p)
{
register int cnt;
register struct vlinfo *vp, *vpc;
#ifdef ADEBUG
if (trace != NULL)
tfixnl(), fprintf(trace, "vopen(%d, %d)\n", lineno(tp), p);
#endif
if (state != VISUAL) {
if (vcnt)
if (hold & HOLDROL)
vup1();
else
vclean();
/*
* Forget all that we once knew.
*/
vcnt = vcline = 0;
p = WBOT; LASTLINE = WBOT + 1;
state = bastate;
WTOP = basWTOP;
WLINES = basWLINES;
}
vpc = &vlinfo[vcline];
for (vp = &vlinfo[vcnt]; vp >= vpc; vp--)
vlcopy(vp[1], vp[0]);
vcnt++;
if (Pline == numbline)
/*
* Dirtying all the lines is rather inefficient
* internally, but number mode is used rarely
* and so its not worth optimizing.
*/
vdirty(vcline+1, WECHO);
getline(*tp);
/*
* If we are opening at the top of the window, can try a window
* expansion at the top.
*/
if (state == VISUAL && vcline == 0 && vcnt > 1 && p > ZERO) {
cnt = p + vdepth() - LINE(1);
if (cnt > 0) {
p -= cnt;
if (p < ZERO)
p = ZERO;
WTOP = p;
WLINES = WBOT - WTOP + 1;
}
}
vpc->vliny = p, vpc->vdepth = 0, vpc->vflags = 0;
cnt = vreopen(p, lineno(tp), vcline);
if (vcline + 1 == vcnt)
LINE(vcnt) = LINE(vcline) + cnt;
}
/*
* Delete operator.
*
* Hard case of deleting a range where both wcursor and wdot
* are specified is treated as a special case of change and handled
* by vchange (although vchange may pass it back if it degenerates
* to a full line range delete.)
*/
void
vdelete(int c)
{
register char *cp;
register int i;
if (wdot) {
if (wcursor) {
vchange(EOF);
return;
}
if ((i = xdw()) < 0)
return;
if (state != VISUAL) {
vgoto(LINE(0), 0);
vputchar('@');
}
wdot = dot;
vremote(i, delete, 0);
notenam = "delete";
DEL[0] = 0;
killU();
vreplace(vcline, i, 0);
if (wdot > dol)
vcline--;
vrepaint(NOSTR);
return;
}
if (wcursor < linebuf)
wcursor = linebuf;
if (cursor == wcursor) {
beep();
return;
}
i = vdcMID();
cp = cursor;
setDEL();
CP(cp, wcursor);
if (cp > linebuf && (cp[0] == 0 || c == '#'))
cp--;
if (state == HARDOPEN) {
bleep(i, cp);
cursor = cp;
return;
}
physdc(column(cursor + skipleft(linebuf, cursor)), i);
DEPTH(vcline) = 0;
vreopen(LINE(vcline), lineDOT(), vcline);
vsyncCL();
vsetcurs(cp);
}
void
vappend(int ch, int cnt, int indent)
{
register int i;
register char *gcursor;
bool escape;
int repcnt;
short oldhold = hold;
/*
* Before a move in hardopen when the line is dirty
* or we are in the middle of the printed representation,
* we retype the line to the left of the cursor so the
* insert looks clean.
*/
if (ch != 'o' && state == HARDOPEN && (rubble || !ateopr())) {
rubble = 1;
wcursor = cursor;
vmove();
}
vaifirst = indent == 0;
/*
* Handle replace character by (eventually)
* limiting the number of input characters allowed
* in the vgetline routine.
*/
if (ch == 'r')
repcnt = 2;
else
repcnt = 0;
/*
* If an autoindent is specified, then
* generate a mixture of blanks to tabs to implement
* it and place the cursor after the indent.
* Text read by the vgetline routine will be placed in genbuf,
* so the indent is generated there.
*/
if (value(AUTOINDENT) && indent != 0) {
gcursor = genindent(indent);
*gcursor = 0;
vgotoCL(qcolumn(cursor - 1, genbuf));
} else {
gcursor = genbuf;
*gcursor = 0;
if (ch == 'o')
vfixcurs();
}
/*
* Prepare for undo. Pointers delimit inserted portion of line.
*/
vUA1 = vUA2 = cursor;
/*
* If we are not in a repeated command and a ^@ comes in
* then this means the previous inserted text.
* If there is none or it was too long to be saved,
* then beep() and also arrange to undo any damage done
* so far (e.g. if we are a change.)
*/
if ((vglobp && *vglobp == 0) || peekbr()) {
if ((INS[0] & (OVERBUF|TRIM)) == OVERBUF) {
beep();
if (!splitw)
ungetkey('u');
doomed = 0;
hold = oldhold;
return;
}
/*
* Unread input from INS.
* An escape will be generated at end of string.
* Hold off n^^2 type update on dumb terminals.
*/
vglobp = INS;
hold |= HOLDQIK;
} else if (vglobp == 0)
/*
* Not a repeated command, get
* a new inserted text for repeat.
*/
INS[0] = 0;
/*
* For wrapmargin to hack away second space after a '.'
* when the first space caused a line break we keep
* track that this happened in gobblebl, which says
* to gobble up a blank silently.
*/
gobblebl = 0;
/*
* Text gathering loop.
* New text goes into genbuf starting at gcursor.
* cursor preserves place in linebuf where text will eventually go.
*/
if (*cursor == 0 || state == CRTOPEN)
hold |= HOLDROL;
for (;;) {
if (ch == 'r' && repcnt == 0)
escape = 0;
else {
gcursor = vgetline(repcnt, gcursor, &escape);
/*
* After an append, stick information
* about the ^D's and ^^D's and 0^D's in
* the repeated text buffer so repeated
* inserts of stuff indented with ^D as backtab's
* can work.
*/
if (HADUP)
addtext("^");
else if (HADZERO)
addtext("0");
while (CDCNT > 0)
addtext("\204"), CDCNT--;
if (gobbled)
addtext(" ");
addtext(ogcursor);
}
repcnt = 0;
/*
* Smash the generated and preexisting indents together
* and generate one cleanly made out of tabs and spaces
* if we are using autoindent.
*/
if (!vaifirst && value(AUTOINDENT)) {
i = fixindent(indent);
if (!HADUP)
indent = i;
gcursor = strend(genbuf);
}
/*
* Limit the repetition count based on maximum
* possible line length; do output implied
* by further count (> 1) and cons up the new line
* in linebuf.
*/
cnt = vmaxrep(ch, cnt);
CP(gcursor + 1, cursor);
do {
CP(cursor, genbuf);
if (cnt > 1) {
int oldhold = hold;
Outchar = vinschar;
hold |= HOLDQIK;
ex_printf("%s", genbuf);
hold = oldhold;
Outchar = vputchar;
}
cursor += gcursor - genbuf;
} while (--cnt > 0);
endim();
vUA2 = cursor;
if (escape != '\n')
CP(cursor, gcursor + 1);
/*
* If doomed characters remain, clobber them,
* and reopen the line to get the display exact.
*/
if (state != HARDOPEN) {
DEPTH(vcline) = 0;
if (doomed > 0) {
register int cind = cindent();
physdc(cind, cind + doomed);
doomed = 0;
}
i = vreopen(LINE(vcline), lineDOT(), vcline);
}
/*
* All done unless we are continuing on to another line.
*/
if (escape != '\n')
break;
/*
* Set up for the new line.
* First save the current line, then construct a new
* first image for the continuation line consisting
* of any new autoindent plus the pushed ahead text.
*/
killU();
addtext(gobblebl ? " " : "\n");
vsave();
cnt = 1;
if (value(AUTOINDENT)) {
#ifdef LISP
if (value(LISP))
indent = lindent(dot + 1);
else
#endif
if (!HADUP && vaifirst)
indent = whitecnt(linebuf);
vaifirst = 0;
strcLIN(vpastwh(gcursor + 1));
gcursor = genindent(indent);
*gcursor = 0;
if (gcursor + strlen(linebuf) > &genbuf[LBSIZE - 2])
gcursor = genbuf;
CP(gcursor, linebuf);
} else {
CP(genbuf, gcursor + 1);
gcursor = genbuf;
}
/*
* If we started out as a single line operation and are now
* turning into a multi-line change, then we had better yank
* out dot before it changes so that undo will work
* correctly later.
*/
if (vundkind == VCHNG) {
vremote(1, (void (*)(int))yank, 0);
undap1--;
}
/*
* Now do the append of the new line in the buffer,
* and update the display. If slowopen
* we don't do very much.
*/
vdoappend(genbuf);
vundkind = VMANYINS;
vcline++;
if (state != VISUAL)
vshow(dot, NOLINE);
else {
i += LINE(vcline - 1);
vopen(dot, i);
if (value(SLOWOPEN))
vscrap();
else
vsync1(LINE(vcline));
}
strcLIN(gcursor);
*gcursor = 0;
cursor = linebuf;
vgotoCL(qcolumn(cursor - 1, genbuf));
}
/*
* All done with insertion, position the cursor
* and sync the screen.
*/
hold = oldhold;
if (cursor > linebuf)
cursor--;
if (state != HARDOPEN)
vsyncCL();
else if (cursor > linebuf)
back1();
doomed = 0;
wcursor = cursor;
vmove();
}
/*
* The guts of a sync. Similar to redraw but
* just less ambitous.
*/
void
vsync1(register int p)
{
register int l;
char temp[LBSIZE];
register struct vlinfo *vp = &vlinfo[0];
short oldhold = hold;
#ifdef ADEBUG
if (trace)
tfixnl(), fprintf(trace, "vsync1(%d)\n", p), tvliny();
#endif
if (holdupd) {
if (holdupd < 3)
holdupd = 2;
return;
}
if (state == HARDOPEN || splitw)
return;
vscrap();
CP(temp, linebuf);
if (vcnt == 0)
LINE(0) = WTOP;
l = 0;
while (l < vcnt && vp->vliny < p)
l++, vp++;
heldech = 0;
hold |= HOLDECH;
while (p <= WBOT && Peekkey != ATTN) {
/*
* Want to put a line here if not in visual and first line
* or if there are lies left and this line starts before
* the current line, or if this line is piled under the
* next line (vreplace does this and we undo it).
*/
if (l == 0 && state != VISUAL ||
(l < vcnt && (vp->vliny <= p || vp[0].vliny == vp[1].vliny))) {
if (l == 0 || vp->vliny < p || (vp->vflags & VDIRT)) {
if (l == vcline)
strcLIN(temp);
else
getline(dot[l - vcline]);
/*
* Be careful that a long line doesn't cause the
* screen to shoot up.
*/
if (l != vcline && (vp->vflags & VDIRT)) {
vp->vdepth = vdepth();
vp->vflags &= ~VDIRT;
if (p + vp->vdepth - 1 > WBOT)
break;
}
vreopen(p, lineDOT() + (l - vcline), l);
}
p = vp->vliny + vp->vdepth;
vp++;
l++;
} else
/*
* A physical line between logical lines,
* so we settle for an @ at the beginning.
*/
vclrlin(p, dot + (l - vcline)), p++;
}
strcLIN(temp);
hold = oldhold;
if (heldech)
vclrech(0);
}
/*
* Fully cleanup the screen, leaving no @ lines except at end when
* line after last won't completely fit. The routine vsync is
* more conservative and much less work on dumb terminals.
*/
void
vredraw(register int p)
{
register int l;
register line *tp;
char temp[LBSIZE];
bool anydl = 0;
short oldhold = hold;
#ifdef ADEBUG
if (trace)
tfixnl(), fprintf(trace, "vredraw(%d)\n", p), tvliny();
#endif
if (holdupd) {
holdupd = 3;
return;
}
if (state == HARDOPEN || splitw)
return;
if (p < 0 /* || p > WECHO */)
error(catgets(catd, 1, 221, "Internal error: vredraw"));
/*
* Trim the ragged edges (lines which are off the screen but
* not yet logically discarded), save the current line, and
* search for first logical line affected by the redraw.
*/
vscrap();
CP(temp, linebuf);
l = 0;
tp = dot - vcline;
if (vcnt == 0)
LINE(0) = WTOP;
while (l < vcnt && LINE(l) < p)
l++, tp++;
/*
* We hold off echo area clearing during the redraw in deference
* to a final clear of the echo area at the end if appropriate.
*/
heldech = 0;
hold |= HOLDECH;
for (; l < vcnt && Peekkey != ATTN; l++) {
if (l == vcline)
strcLIN(temp);
else
getline(*tp);
/*
* Delete junk between displayed lines.
*/
if (LINE(l) != LINE(l + 1) && LINE(l) != p) {
if (anydl == 0 && DB && CD) {
hold = oldhold;
vclrech(0);
anydl = 1;
hold |= HOLDECH;
heldech = 0;
}
vdellin(p, LINE(l) - p, l);
}
/*
* If line image is not know to be up to date, then
* redisplay it; else just skip onward.
*/
LINE(l) = p;
if (FLAGS(l) & VDIRT) {
DEPTH(l) = vdepth();
if (l != vcline && p + DEPTH(l) - 1 > WBOT) {
vscrap();
break;
}
FLAGS(l) &= ~VDIRT;
vreopen(p, lineno(tp), l);
p = LINE(l) + DEPTH(l);
} else
p += DEPTH(l);
tp++;
}
/*
* That takes care of lines which were already partially displayed.
* Now try to fill the rest of the screen with text.
*/
if (state == VISUAL && p <= WBOT) {
int ovcline = vcline;
vcline = l;
for (; tp <= dol && Peekkey != ATTN; tp++) {
getline(*tp);
if (p + vdepth() - 1 > WBOT)
break;
vopen(tp, p);
p += DEPTH(vcline);
vcline++;
}
vcline = ovcline;
}
/*
* Thats all the text we can get on.
* Now rest of lines (if any) get either a ~ if they
* are past end of file, or an @ if the next line won't fit.
*/
for (; p <= WBOT && Peekkey != ATTN; p++)
vclrlin(p, tp);
strcLIN(temp);
hold = oldhold;
if (heldech)
vclrech(0);
#ifdef ADEBUG
if (trace)
tvliny();
#endif
}
/*ARGSUSED*/
void
vmove(int unused)
{
register int cnt;
if (wdot) {
if (wdot < one || wdot > dol) {
beep();
return;
}
cnt = wdot - dot;
wdot = NOLINE;
if (cnt)
killU();
vupdown(cnt, wcursor);
return;
}
/*
* When we move onto a new line, save information for U undo.
*/
if (vUNDdot != dot) {
vUNDsav = *dot;
vUNDcurs = wcursor;
vUNDdot = dot;
}
/*
* In hardcopy open, type characters to left of cursor
* on new line, or back cursor up if its to left of where we are.
* In any case if the current line is ``rubbled'' i.e. has trashy
* looking overstrikes on it or \'s from deletes, we reprint
* so it is more comprehensible (and also because we can't work
* if we let it get more out of sync since column() won't work right.
*/
if (state == HARDOPEN) {
register char *cp;
if (rubble) {
register int c;
int oldhold = hold;
sethard();
cp = wcursor;
c = *cp;
*cp = 0;
hold |= HOLDDOL;
vreopen(WTOP, lineDOT(), vcline);
hold = oldhold;
*cp = c;
} else if (wcursor > cursor) {
vfixcurs();
for (cp = cursor; *cp && cp < wcursor;) {
int c, n;
nextc(c, cp, n);
cp += n;
c &= TRIM;
putchar(c ? c : ' ');
}
}
}
vsetcurs(wcursor);
}
void
vappend(int ch, int cnt, int indent)
{
int i;
unsigned char *gcursor;
bool escape;
int repcnt, savedoomed;
short oldhold = hold;
int savecnt = cnt;
line *startsrcline;
int startsrccol, endsrccol;
int gotNL = 0;
int imultlinecnt = 0;
int omultlinecnt = 0;
if ((savecnt > 1) && (ch == 'o' || ch == 'O')) {
omultlinecnt = 1;
}
#ifdef XPG6
if ((savecnt > 1) && (ch == 'a' || ch == 'A' || ch == 'i' || ch == 'I'))
imultlinecnt = 1;
#endif /* XPG6 */
/*
* Before a move in hardopen when the line is dirty
* or we are in the middle of the printed representation,
* we retype the line to the left of the cursor so the
* insert looks clean.
*/
if (ch != 'o' && state == HARDOPEN && (rubble || !ateopr())) {
rubble = 1;
gcursor = cursor;
i = *gcursor;
*gcursor = ' ';
wcursor = gcursor;
(void) vmove();
*gcursor = i;
}
/*
* If vrep() passed indent = 0, this is the 'r' command,
* so don't autoindent until the last char.
*/
vaifirst = indent == 0;
/*
* Handle replace character by (eventually)
* limiting the number of input characters allowed
* in the vgetline routine.
*/
if (ch == 'r')
repcnt = 2;
else
repcnt = 0;
/*
* If an autoindent is specified, then
* generate a mixture of blanks to tabs to implement
* it and place the cursor after the indent.
* Text read by the vgetline routine will be placed in genbuf,
* so the indent is generated there.
*/
if (value(vi_AUTOINDENT) && indent != 0) {
unsigned char x;
gcursor = genindent(indent);
*gcursor = 0;
vgotoCL(nqcolumn(lastchr(linebuf, cursor), genbuf));
} else {
gcursor = genbuf;
*gcursor = 0;
if (ch == 'o')
vfixcurs();
}
/*
* Prepare for undo. Pointers delimit inserted portion of line.
*/
vUA1 = vUA2 = cursor;
/*
* If we are not in a repeated command and a ^@ comes in
* then this means the previous inserted text.
* If there is none or it was too long to be saved,
* then beep() and also arrange to undo any damage done
* so far (e.g. if we are a change.)
*/
switch (ch) {
case 'r':
break;
case 'a':
/*
* TRANSLATION_NOTE
* "A" is a terse mode message corresponding to
* "APPEND MODE".
* Translated message of "A" must be 1 character (not byte).
* Or, just leave it.
*/
if (value(vi_TERSE)) {
vshowmode(gettext("A"));
} else {
vshowmode(gettext("APPEND MODE"));
}
break;
case 's':
/*
* TRANSLATION_NOTE
* "S" is a terse mode message corresponding to
* "SUBSTITUTE MODE".
* Translated message of "S" must be 1 character (not byte).
* Or, just leave it.
*/
if (value(vi_TERSE)) {
vshowmode(gettext("S"));
} else {
vshowmode(gettext("SUBSTITUTE MODE"));
}
break;
case 'c':
/*
* TRANSLATION_NOTE
* "C" is a terse mode message corresponding to
* "CHANGE MODE".
* Translated message of "C" must be 1 character (not byte).
* Or, just leave it.
*/
if (value(vi_TERSE)) {
vshowmode(gettext("C"));
} else {
vshowmode(gettext("CHANGE MODE"));
}
break;
case 'R':
/*
* TRANSLATION_NOTE
* "R" is a terse mode message corresponding to
* "REPLACE MODE".
* Translated message of "R" must be 1 character (not byte).
* Or, just leave it.
*/
if (value(vi_TERSE)) {
vshowmode(gettext("R"));
} else {
vshowmode(gettext("REPLACE MODE"));
}
break;
case 'o':
/*
* TRANSLATION_NOTE
* "O" is a terse mode message corresponding to
* "OPEN MODE".
* Translated message of "O" must be 1 character (not byte).
* Or, just leave it.
*/
if (value(vi_TERSE)) {
vshowmode(gettext("O"));
} else {
vshowmode(gettext("OPEN MODE"));
}
break;
case 'i':
/*
* TRANSLATION_NOTE
* "I" is a terse mode message corresponding to
* "INSERT MODE" and the following "INPUT MODE".
* Translated message of "I" must be 1 character (not byte).
* Or, just leave it.
*/
if (value(vi_TERSE)) {
vshowmode(gettext("I"));
} else {
vshowmode(gettext("INSERT MODE"));
}
break;
default:
/*
* TRANSLATION_NOTE
* "I" is a terse mode message corresponding to
* "INPUT MODE" and the previous "INSERT MODE".
* Translated message of "I" must be 1 character (not byte).
* Or, just leave it.
*/
if (value(vi_TERSE)) {
vshowmode(gettext("I"));
} else {
vshowmode(gettext("INPUT MODE"));
}
}
ixlatctl(1);
if ((vglobp && *vglobp == 0) || peekbr()) {
if (INS[128] == 0200) {
(void) beep();
if (!splitw)
ungetkey('u');
doomed = 0;
hold = oldhold;
return;
}
/*
* Unread input from INS.
* An escape will be generated at end of string.
* Hold off n^^2 type update on dumb terminals.
*/
vglobp = INS;
inscdcnt = INSCDCNT;
hold |= HOLDQIK;
} else if (vglobp == 0) {
/*
* Not a repeated command, get
* a new inserted text for repeat.
*/
INS[0] = 0;
INS[128] = 0;
INSCDCNT = 0;
}
/*
* For wrapmargin to hack away second space after a '.'
* when the first space caused a line break we keep
* track that this happened in gobblebl, which says
* to gobble up a blank silently.
*/
gobblebl = 0;
startsrcline = dot;
startsrccol = cursor - linebuf;
/*
* Text gathering loop.
* New text goes into genbuf starting at gcursor.
* cursor preserves place in linebuf where text will eventually go.
*/
if (*cursor == 0 || state == CRTOPEN)
hold |= HOLDROL;
for (;;) {
if (ch == 'r' && repcnt == 0)
escape = 0;
else {
ixlatctl(1);
/*
* When vgetline() returns, gcursor is
* pointing to '\0' and vgetline() has
* read an ESCAPE or NL.
*/
gcursor = vgetline(repcnt, gcursor, &escape, ch);
if (escape == '\n') {
gotNL = 1;
#ifdef XPG6
if (ch == 'r') {
/*
* XPG6 assertion 313 [count]r\n :
* Arrange to set cursor correctly.
*/
endsrccol = gcursor - genbuf - 1;
}
#endif /* XPG6 */
} else {
/*
* Upon escape, gcursor is pointing to '\0'
* terminating the string in genbuf.
*/
endsrccol = gcursor - genbuf - 1;
}
ixlatctl(0);
/*
* After an append, stick information
* about the ^D's and ^^D's and 0^D's in
* the repeated text buffer so repeated
* inserts of stuff indented with ^D as backtab's
* can work.
*/
if (HADUP)
addtext("^");
else if (HADZERO)
addtext("0");
if(!vglobp)
INSCDCNT = CDCNT;
while (CDCNT > 0) {
addtext("\004");
CDCNT--;
}
if (gobbled)
addtext(" ");
addtext(ogcursor);
}
repcnt = 0;
/*
* Smash the generated and preexisting indents together
* and generate one cleanly made out of tabs and spaces
* if we are using autoindent and this isn't 'r' command.
*/
if (!vaifirst && value(vi_AUTOINDENT)) {
i = fixindent(indent);
if (!HADUP)
indent = i;
gcursor = strend(genbuf);
}
/*
* Set cnt to 1 to avoid repeating the text on the same line.
* Do this for commands 'i', 'I', 'a', and 'A', if we're
* inserting anything with a newline for XPG6. Always do this
* for commands 'o' and 'O'.
*/
if ((imultlinecnt && gotNL) || omultlinecnt) {
cnt = 1;
}
/*
* Limit the repetition count based on maximum
* possible line length; do output implied
* by further count (> 1) and cons up the new line
* in linebuf.
*/
cnt = vmaxrep(ch, cnt);
/*
* cursor points to linebuf
* Copy remaining old text (cursor) in original
* line to after new text (gcursor + 1) in genbuf.
*/
CP(gcursor + 1, cursor);
/*
* For [count] r \n command, when replacing [count] chars
* with '\n', this loop replaces [count] chars with "".
*/
do {
/* cp new text (genbuf) into linebuf (cursor) */
CP(cursor, genbuf);
if (cnt > 1) {
int oldhold = hold;
Outchar = vinschar;
hold |= HOLDQIK;
viprintf("%s", genbuf);
hold = oldhold;
Outchar = vputchar;
}
/* point cursor after new text in linebuf */
cursor += gcursor - genbuf;
} while (--cnt > 0);
endim();
vUA2 = cursor;
/* add the remaining old text after the cursor */
if (escape != '\n')
CP(cursor, gcursor + 1);
/*
* If doomed characters remain, clobber them,
* and reopen the line to get the display exact.
* eg. c$ to change to end of line
*/
if (state != HARDOPEN) {
DEPTH(vcline) = 0;
savedoomed = doomed;
if (doomed > 0) {
int cind = cindent();
physdc(cind, cind + doomed);
doomed = 0;
}
if(MB_CUR_MAX > 1)
rewrite = _ON;
i = vreopen(LINE(vcline), lineDOT(), vcline);
if(MB_CUR_MAX > 1)
rewrite = _OFF;
#ifdef TRACE
if (trace)
fprintf(trace, "restoring doomed from %d to %d\n", doomed, savedoomed);
#endif
if (ch == 'R')
doomed = savedoomed;
}
/*
* Unless we are continuing on to another line
* (got a NL), break out of the for loop (got
* an ESCAPE).
*/
if (escape != '\n') {
vshowmode("");
break;
}
/*
* Set up for the new line.
* First save the current line, then construct a new
* first image for the continuation line consisting
* of any new autoindent plus the pushed ahead text.
*/
killU();
addtext(gobblebl ? " " : "\n");
/* save vutmp (for undo state) into temp file */
vsave();
cnt = 1;
if (value(vi_AUTOINDENT)) {
if (value(vi_LISP))
indent = lindent(dot + 1);
else
if (!HADUP && vaifirst)
indent = whitecnt(linebuf);
vaifirst = 0;
strcLIN(vpastwh(gcursor + 1));
gcursor = genindent(indent);
*gcursor = 0;
if (gcursor + strlen(linebuf) > &genbuf[LBSIZE - 2])
gcursor = genbuf;
CP(gcursor, linebuf);
} else {
/*
* Put gcursor at start of genbuf to wipe
* out previous line in preparation for
* the next vgetline() loop.
*/
CP(genbuf, gcursor + 1);
gcursor = genbuf;
}
/*
* If we started out as a single line operation and are now
* turning into a multi-line change, then we had better yank
* out dot before it changes so that undo will work
* correctly later.
*/
if (FIXUNDO && vundkind == VCHNG) {
vremote(1, yank, 0);
undap1--;
}
/*
* Now do the append of the new line in the buffer,
* and update the display, ie: append genbuf to
* the file after dot. If slowopen
* we don't do very much.
*/
vdoappend(genbuf);
vundkind = VMANYINS;
vcline++;
if (state != VISUAL)
vshow(dot, NOLINE);
else {
i += LINE(vcline - 1);
vopen(dot, i);
if (value(vi_SLOWOPEN))
vscrap();
else
vsync1(LINE(vcline));
}
switch (ch) {
case 'r':
break;
case 'a':
if (value(vi_TERSE)) {
vshowmode(gettext("A"));
} else {
vshowmode(gettext("APPEND MODE"));
}
break;
case 's':
if (value(vi_TERSE)) {
vshowmode(gettext("S"));
} else {
vshowmode(gettext("SUBSTITUTE MODE"));
}
break;
case 'c':
if (value(vi_TERSE)) {
vshowmode(gettext("C"));
} else {
vshowmode(gettext("CHANGE MODE"));
}
break;
case 'R':
if (value(vi_TERSE)) {
vshowmode(gettext("R"));
} else {
vshowmode(gettext("REPLACE MODE"));
}
break;
case 'i':
if (value(vi_TERSE)) {
vshowmode(gettext("I"));
} else {
vshowmode(gettext("INSERT MODE"));
}
break;
case 'o':
if (value(vi_TERSE)) {
vshowmode(gettext("O"));
} else {
vshowmode(gettext("OPEN MODE"));
}
break;
default:
if (value(vi_TERSE)) {
vshowmode(gettext("I"));
} else {
vshowmode(gettext("INPUT MODE"));
}
}
strcLIN(gcursor);
/* zero genbuf */
*gcursor = 0;
cursor = linebuf;
vgotoCL(nqcolumn(cursor - 1, genbuf));
} /* end for (;;) loop in vappend() */
if (imultlinecnt && gotNL) {
imultlinerep(savecnt, startsrcline, startsrccol, endsrccol);
} else if (omultlinecnt) {
omultlinerep(savecnt, startsrcline, endsrccol);
#ifdef XPG6
} else if (savecnt > 1 && ch == 'r' && gotNL) {
/*
* XPG6 assertion 313 & 254 : Position cursor for [count]r\n
* then insert [count -1] newlines.
*/
endsrccol = gcursor - genbuf - 1;
rmultlinerep(savecnt, endsrccol);
#endif /* XPG6 */
}
/*
* All done with insertion, position the cursor
* and sync the screen.
*/
hold = oldhold;
if ((imultlinecnt && gotNL) || omultlinecnt) {
fixdisplay();
#ifdef XPG6
} else if (savecnt > 1 && ch == 'r' && gotNL) {
fixdisplay();
/*
* XPG6 assertion 313 & 254 [count]r\n : Set flag to call
* fixdisplay() after operate() has finished. To be sure that
* the text (after the last \n followed by an indent) is always
* displayed, fixdisplay() is called right before getting
* the next command.
*/
redisplay = 1;
#endif /* XPG6 */
} else if (cursor > linebuf) {
cursor = lastchr(linebuf, cursor);
#ifdef XPG6
/*
* XPG6 assertion 313 & 254 [count]r\n :
* For 'r' command, when the replacement char causes new
* lines to be created, point cursor to first non-blank.
* The old code, ie: cursor = lastchr(linebuf, cursor);
* set cursor to the blank before the first non-blank
* for r\n
*/
if (ch == 'r' && gotNL && isblank((int)*cursor))
++cursor;
#endif /* XPG6 */
}
if (state != HARDOPEN)
vsyncCL();
else if (cursor > linebuf)
back1();
doomed = 0;
wcursor = cursor;
(void) vmove();
}
