/**
* Widget method that will be called when a tab key is pressed.
*/
static int rift_complete(UNUSED(char** arg))
{
int new_len = 0;
char *new_line = NULL;
int i = 0;
/* Metafy - changes the zleline to string and stores in zlemetaline
* zleline is not in string format */
metafy_line();
for (i = 0; zlemetaline[i] != '\0'; i++) {
if (zlemetaline[i] == '|' || zlemetaline[i] == '>') {
unmetafy_line();
execzlefunc(rwcli_controller.t_orig_tab_bind, zlenoargs, 0);
return 0;
}
}
new_line = rwcli_tab_complete(zlemetaline);
fflush(stdout);
if (new_line) {
new_len = strlen(new_line);
if ((new_len > 1 && new_line[new_len - 1] != ' ') ||
(zlemetall == new_len)) {
trash_line();
}
// First truncate the zlemetaline and then insert the new line
// zlemetacs is the cursor, zlemetall is the line length
zlemetacs = 0;
foredel(zlemetall, CUT_RAW);
inststrlen(new_line, new_len, new_len);
free(new_line);
} else {
trash_line();
zlemetacs = 0;
foredel(zlemetall, CUT_RAW);
}
unmetafy_line();
/* zlemeta* is not valid beyond this point */
return 0;
}
void
zlecallhook(char *name, char *arg)
{
Thingy thingy = rthingy_nocreate(name);
int saverrflag, savretflag;
char *args[3];
if (!thingy)
return;
saverrflag = errflag;
savretflag = retflag;
args[0] = thingy->nam;
args[1] = arg;
args[2] = NULL;
execzlefunc(thingy, args, 1);
unrefthingy(thingy);
errflag = saverrflag;
retflag = savretflag;
}
void
zlecore(void)
{
Keymap km;
#if !defined(HAVE_POLL) && defined(HAVE_SELECT)
struct timeval tv;
fd_set foofd;
FD_ZERO(&foofd);
#endif
pushheap();
/*
* A widget function may decide to exit the shell.
* We never exit directly from functions, to allow
* the shell to tidy up, so we have to test for
* that explicitly.
*/
while (!done && !errflag && !exit_pending) {
UNMETACHECK();
statusline = NULL;
vilinerange = 0;
reselectkeymap();
selectlocalmap(invicmdmode() && region_active && (km = openkeymap("visual"))
? km : NULL);
bindk = getkeycmd();
selectlocalmap(NULL);
if (bindk) {
if (!zlell && isfirstln && !(zlereadflags & ZLRF_IGNOREEOF) &&
lastchar == eofchar) {
/*
* Slight hack: this relies on getkeycmd returning
* a value for the EOF character. However,
* undefined-key is fine. That's necessary because
* otherwise we can't distinguish this case from
* a ^C.
*/
eofsent = 1;
break;
}
if (execzlefunc(bindk, zlenoargs, 0)) {
handlefeep(zlenoargs);
if (eofsent)
break;
}
handleprefixes();
/* for vi mode, make sure the cursor isn't somewhere illegal */
if (invicmdmode() && zlecs > findbol() &&
(zlecs == zlell || zleline[zlecs] == ZWC('\n')))
DECCS();
handleundo();
} else {
errflag |= ERRFLAG_ERROR;
break;
}
#ifdef HAVE_POLL
if (baud && !(lastcmd & ZLE_MENUCMP)) {
struct pollfd pfd;
int to = cost * costmult / 1000; /* milliseconds */
if (to > 500)
to = 500;
pfd.fd = SHTTY;
pfd.events = POLLIN;
if (!kungetct && poll(&pfd, 1, to) <= 0)
zrefresh();
} else
#else
# ifdef HAVE_SELECT
if (baud && !(lastcmd & ZLE_MENUCMP)) {
FD_SET(SHTTY, &foofd);
tv.tv_sec = 0;
if ((tv.tv_usec = cost * costmult) > 500000)
tv.tv_usec = 500000;
if (!kungetct && select(SHTTY+1, (SELECT_ARG_2_T) & foofd,
NULL, NULL, &tv) <= 0)
zrefresh();
} else
# endif
#endif
if (!kungetct)
zrefresh();
freeheap();
}
region_active = 0;
popheap();
}
static int
getvirange(int wf)
{
int pos = zlecs, ret = 0;
int mult1 = zmult, hist1 = histline;
Thingy k2;
virangeflag = 1;
wordflag = wf;
/* Now we need to execute the movement command, to see where it *
* actually goes. virangeflag here indicates to the movement *
* function that it should place the cursor at the end of the *
* range, rather than where the cursor would actually go if it *
* were executed normally. This makes a difference to some *
* commands, but not all. For example, if searching forward *
* for a character, under normal circumstances the cursor lands *
* on the character. For a range, the range must include the *
* character, so the cursor gets placed after the character if *
* virangeflag is set. vi-match-bracket needs to change the *
* value of virangeflag under some circumstances, meaning that *
* we need to change the *starting* position. */
zmod.flags &= ~MOD_TMULT;
do {
vilinerange = 0;
prefixflag = 0;
if (!(k2 = getkeycmd()) || (k2->flags & DISABLED) ||
k2 == Th(z_sendbreak)) {
wordflag = 0;
virangeflag = 0;
return -1;
}
/*
* With k2 == bindk, the command key is repeated:
* a number of lines is used. If the function used
* returns 1, we fail.
*/
if ((k2 == bindk) ? dovilinerange() : execzlefunc(k2, zlenoargs, 1))
ret = -1;
if(vichgrepeat)
zmult = mult1;
else
zmult = mult1 * zmod.tmult;
} while(prefixflag && !ret);
wordflag = 0;
virangeflag = 0;
/* It is an error to use a non-movement command to delimit the *
* range. We here reject the case where the command modified *
* the line, or selected a different history line. */
if (histline != hist1 || zlell != lastll || memcmp(zleline, lastline, zlell)) {
histline = hist1;
ZS_memcpy(zleline, lastline, zlell = lastll);
zlecs = pos;
return -1;
}
/* Can't handle an empty file. Also, if the movement command *
* failed, or didn't move, it is an error. */
if (!zlell || (zlecs == pos && virangeflag != 2) || ret == -1)
return -1;
/* vi-match-bracket changes the value of virangeflag when *
* moving to the opening bracket, meaning that we need to *
* change the *starting* position. */
if(virangeflag == -1)
{
int origcs = zlecs;
zlecs = pos;
INCCS();
pos = zlecs;
zlecs = origcs;
}
/* Get the range the right way round. zlecs is placed at the *
* start of the range, and pos (the return value of this *
* function) is the end. */
if (zlecs > pos) {
int tmp = zlecs;
zlecs = pos;
pos = tmp;
}
/* Was it a line-oriented move? If so, the command will have set *
* the vilinerange flag. In this case, entire lines are taken, *
* rather than just the sequence of characters delimited by pos *
* and zlecs. The terminating newline is left out of the range, *
* which the real command must deal with appropriately. At this *
* point we just need to make the range encompass entire lines. */
if(vilinerange) {
int newcs = findbol();
zlecs = pos;
pos = findeol();
zlecs = newcs;
}
return pos;
}
static int
getvirange(int wf)
{
int pos = zlecs, mpos = mark, ret = 0;
int visual = region_active; /* movement command might set it */
int mult1 = zmult, hist1 = histline;
Thingy k2;
if (visual) {
if (!zlell)
return -1;
pos = mark;
vilinerange = (visual == 2);
region_active = 0;
} else {
virangeflag = 1;
wordflag = wf;
mark = -1;
/* use operator-pending keymap if one exists */
Keymap km = openkeymap("viopp");
if (km)
selectlocalmap(km);
/* Now we need to execute the movement command, to see where it *
* actually goes. virangeflag here indicates to the movement *
* function that it should place the cursor at the end of the *
* range, rather than where the cursor would actually go if it *
* were executed normally. This makes a difference to some *
* commands, but not all. For example, if searching forward *
* for a character, under normal circumstances the cursor lands *
* on the character. For a range, the range must include the *
* character, so the cursor gets placed after the character if *
* virangeflag is set. */
zmod.flags &= ~MOD_TMULT;
do {
vilinerange = 0;
prefixflag = 0;
if (!(k2 = getkeycmd()) || (k2->flags & DISABLED) ||
k2 == Th(z_sendbreak)) {
wordflag = 0;
virangeflag = 0;
mark = mpos;
return -1;
}
/*
* With k2 == bindk, the command key is repeated:
* a number of lines is used. If the function used
* returns 1, we fail.
*/
if ((k2 == bindk) ? dovilinerange() : execzlefunc(k2, zlenoargs, 1))
ret = -1;
if(vichgrepeat)
zmult = mult1;
else
zmult = mult1 * zmod.tmult;
} while(prefixflag && !ret);
wordflag = 0;
selectlocalmap(NULL);
/* It is an error to use a non-movement command to delimit the *
* range. We here reject the case where the command modified *
* the line, or selected a different history line. */
if (histline != hist1 || zlell != lastll || memcmp(zleline, lastline, zlell)) {
histline = hist1;
ZS_memcpy(zleline, lastline, zlell = lastll);
zlecs = pos;
mark = mpos;
virangeflag = 0;
return -1;
}
/* Can't handle an empty file. Also, if the movement command *
* failed, or didn't move, it is an error. */
if (!zlell || (zlecs == pos && (mark == -1 || mark == zlecs) &&
virangeflag != 2) || ret == -1) {
mark = mpos;
virangeflag = 0;
return -1;
}
virangeflag = 0;
/* if the mark has moved, ignore the original cursor position *
* and use the mark. */
if (mark != -1)
pos = mark;
}
mark = mpos;
/* Get the range the right way round. zlecs is placed at the *
* start of the range, and pos (the return value of this *
* function) is the end. */
if (zlecs > pos) {
int tmp = zlecs;
zlecs = pos;
pos = tmp;
}
/* visual selection mode needs to include additional position */
if (visual == 1 && pos < zlell && invicmdmode())
INCPOS(pos);
/* Was it a line-oriented move? If so, the command will have set *
* the vilinerange flag. In this case, entire lines are taken, *
* rather than just the sequence of characters delimited by pos *
* and zlecs. The terminating newline is left out of the range, *
* which the real command must deal with appropriately. At this *
* point we just need to make the range encompass entire lines. */
vilinerange = (zmod.flags & MOD_LINE) ||
(vilinerange && !(zmod.flags & MOD_CHAR));
if (vilinerange) {
int newcs = findbol();
lastcol = zlecs - newcs;
zlecs = pos;
pos = findeol();
zlecs = newcs;
} else if (!visual) {
/* for a character-wise move don't include a newline at the *
* end of the range */
int prev = pos;
DECPOS(prev);
if (zleline[prev] == ZWC('\n'))
pos = prev;
}
return pos;
}
