int
viforwardword(char **args)
{
int n = zmult;
if (n < 0) {
int ret;
zmult = -n;
ret = backwardword(args);
zmult = n;
return ret;
}
while (n--) {
int nl;
if (Z_vialnum(zleline[zlecs]))
while (zlecs != zlell && Z_vialnum(zleline[zlecs]))
INCCS();
else
while (zlecs != zlell && !Z_vialnum(zleline[zlecs]) &&
!ZC_inblank(zleline[zlecs]))
INCCS();
if (wordflag && !n)
return 0;
nl = (zleline[zlecs] == ZWC('\n'));
while (zlecs != zlell && nl < 2 && ZC_inblank(zleline[zlecs])) {
INCCS();
nl += (zleline[zlecs] == ZWC('\n'));
}
}
return 0;
}
int
vireplacechars(UNUSED(char **args))
{
ZLE_INT_T ch;
int n = zmult, fail = 0, newchars = 0;
if (n > 0) {
int pos = zlecs;
while (n-- > 0) {
if (pos == zlell || zleline[pos] == ZWC('\n')) {
fail = 1;
break;
}
newchars++;
INCPOS(pos);
}
n = pos - zlecs;
}
startvichange(1);
/* check argument range */
if (n < 1 || fail) {
if(vichgrepeat)
vigetkey();
if(vichgflag) {
free(vichgbuf);
vichgbuf = NULL;
vichgflag = 0;
}
return 1;
}
/* get key */
if((ch = vigetkey()) == ZLEEOF) {
vichgflag = 0;
return 1;
}
/* do change */
if (ch == ZWC('\r') || ch == ZWC('\n')) {
/* <return> handled specially */
zlecs += n - 1;
backkill(n - 1, CUT_RAW);
zleline[zlecs++] = '\n';
} else {
/*
* Make sure we delete displayed characters, including
* attach combining characters. n includes this as a raw
* buffer offset.
* Use shiftchars so as not to adjust the cursor position;
* we are overwriting anything that remains directly.
*/
if (n > newchars)
shiftchars(zlecs, n - newchars);
else if (n < newchars)
spaceinline(newchars - n);
while (newchars--)
zleline[zlecs++] = ch;
zlecs--;
}
vichgflag = 0;
return 0;
}
int
viforwardword(char **args)
{
int n = zmult;
if (n < 0) {
int ret;
zmult = -n;
ret = vibackwardword(args);
zmult = n;
return ret;
}
while (n--) {
int nl;
int cc = wordclass(zleline[zlecs]);
while (zlecs != zlell && wordclass(zleline[zlecs]) == cc) {
INCCS();
}
if (wordflag && !n)
return 0;
nl = (zleline[zlecs] == ZWC('\n'));
while (zlecs != zlell && nl < 2 && ZC_inblank(zleline[zlecs])) {
INCCS();
nl += (zleline[zlecs] == ZWC('\n'));
}
}
return 0;
}
mod_export int
getzlequery(void)
{
ZLE_INT_T c;
#ifdef FIONREAD
int val;
/* check for typeahead, which is treated as a negative response */
ioctl(SHTTY, FIONREAD, (char *)&val);
if (val) {
putc('n', shout);
return 0;
}
#endif
/* get a character from the tty and interpret it */
c = getfullchar(0);
if (c == ZWC('\t'))
c = ZWC('y');
else if (ZC_icntrl(c) || c == ZLEEOF)
c = ZWC('n');
else
c = ZC_tolower(c);
/* echo response and return */
if (c != ZWC('\n')) {
REFRESH_ELEMENT re;
re.chr = c;
re.atr = 0;
zwcputc(&re, NULL);
}
return c == ZWC('y');
}
int
vibackwardblankword(char **args)
{
int n = zmult;
if (n < 0) {
int ret;
zmult = -n;
ret = viforwardblankword(args);
zmult = n;
return ret;
}
while (n--) {
int nl = 0;
while (zlecs) {
int pos = zlecs;
DECPOS(pos);
if (!ZC_inblank(zleline[pos]))
break;
nl += (zleline[pos] == ZWC('\n'));
if (nl == 2) break;
zlecs = pos;
}
while (zlecs) {
int pos = zlecs;
DECPOS(pos);
if (ZC_inblank(zleline[pos]))
break;
zlecs = pos;
}
}
return 0;
}
int
viputafter(UNUSED(char **args))
{
Cutbuffer buf = &cutbuf;
int n = zmult;
startvichange(-1);
if (n < 0)
return 1;
if (zmod.flags & MOD_VIBUF)
buf = &vibuf[zmod.vibuf];
if (!buf->buf)
return 1;
if(buf->flags & CUTBUFFER_LINE) {
zlecs = findeol();
spaceinline(buf->len + 1);
zleline[zlecs++] = ZWC('\n');
ZS_memcpy(zleline + zlecs, buf->buf, buf->len);
vifirstnonblank(zlenoargs);
} else {
if (zlecs != findeol())
INCCS();
while (n--) {
spaceinline(buf->len);
ZS_memcpy(zleline + zlecs, buf->buf, buf->len);
zlecs += buf->len;
}
if (zlecs)
DECCS();
}
return 0;
}
int
vijoin(UNUSED(char **args))
{
int x, pos;
startvichange(-1);
if ((x = findeol()) == zlell)
return 1;
zlecs = x + 1;
pos = zlecs;
for (; zlecs != zlell && ZC_iblank(zleline[zlecs]); INCPOS(zlecs))
;
x = 1 + (zlecs - pos);
backdel(x, CUT_RAW);
if (zlecs) {
int pos = zlecs;
DECPOS(pos);
if (ZC_iblank(zleline[pos])) {
zlecs = pos;
return 0;
}
}
spaceinline(1);
zleline[zlecs] = ZWC(' ');
return 0;
}
/* position: 0 is before, 1 after, 2 split the line */
static void pastebuf(Cutbuffer buf, int mult, int position)
{
int cc;
if (buf->flags & CUTBUFFER_LINE) {
if (position == 2) {
if (!zlecs)
position = 0;
else if (zlecs == zlell)
position = 1;
}
if (position == 2) {
yankb = zlecs;
spaceinline(buf->len + 2);
zleline[zlecs++] = ZWC('\n');
ZS_memcpy(zleline + zlecs, buf->buf, buf->len);
zlecs += buf->len;
zleline[zlecs] = ZWC('\n');
yanke = zlecs + 1;
} else if (position != 0) {
yankb = zlecs = findeol();
spaceinline(buf->len + 1);
zleline[zlecs++] = ZWC('\n');
yanke = zlecs + buf->len;
ZS_memcpy(zleline + zlecs, buf->buf, buf->len);
} else {
yankb = zlecs = findbol();
spaceinline(buf->len + 1);
ZS_memcpy(zleline + zlecs, buf->buf, buf->len);
yanke = zlecs + buf->len + 1;
zleline[zlecs + buf->len] = ZWC('\n');
}
vifirstnonblank(zlenoargs);
} else {
if (position == 1 && zlecs != findeol())
INCCS();
yankb = zlecs;
cc = buf->len;
while (mult--) {
spaceinline(cc);
ZS_memcpy(zleline + zlecs, buf->buf, cc);
zlecs += cc;
}
yanke = zlecs;
if (zlecs && invicmdmode())
DECCS();
}
}
mod_export void
makesuffixstr(char *f, char *s, int n)
{
if (f) {
zsfree(suffixfunc);
suffixfunc = ztrdup(f);
suffixfunclen = n;
} else if (s) {
int inv, i, z = 0;
ZLE_STRING_T ws, lasts, wptr;
if (*s == '^' || *s == '!') {
inv = 1;
s++;
} else
inv = 0;
s = getkeystring(s, &i, GETKEYS_SUFFIX, &z);
s = metafy(s, i, META_USEHEAP);
ws = stringaszleline(s, 0, &i, NULL, NULL);
if (z)
suffixnoinslen = inv ? 0 : n;
else if (inv) {
/*
* negative match, \- wasn't present, so it *should*
* have this suffix length
*/
suffixnoinslen = n;
}
lasts = wptr = ws;
while (i) {
if (i >= 3 && wptr[1] == ZWC('-')) {
ZLE_CHAR_T str[2];
if (wptr > lasts)
addsuffix(inv ? SUFTYP_NEGSTR : SUFTYP_POSSTR, 0,
lasts, wptr - lasts, n);
str[0] = *wptr;
str[1] = wptr[2];
addsuffix(inv ? SUFTYP_NEGRNG : SUFTYP_POSRNG, 0,
str, 2, n);
wptr += 3;
i -= 3;
lasts = wptr;
} else {
wptr++;
i--;
}
}
if (wptr > lasts)
addsuffix(inv ? SUFTYP_NEGSTR : SUFTYP_POSSTR, 0,
lasts, wptr - lasts, n);
free(ws);
} else
makesuffix(n);
}
int
findeol(void)
{
int x = zlecs;
while (x != zlell && zleline[x] != ZWC('\n'))
x++;
return x;
}
int
yankpop(UNUSED(char **args))
{
int cc, kctstart = kct;
Cutbuffer buf;
if (!(lastcmd & ZLE_YANK) || !kring || !kctbuf) {
kctbuf = NULL;
return 1;
}
do {
/*
* This is supposed to make the yankpop loop
* original buffer -> kill ring in order -> original buffer -> ...
* where the original buffer is -1 and the remainder are
* indices into the kill ring, remember that we need to start
* that at kringnum rather than zero.
*/
if (kct == -1)
kct = kringnum;
else {
int kctnew = (kct + kringsize - 1) % kringsize;
if (kctnew == kringnum)
kct = -1;
else
kct = kctnew;
}
if (kct == -1)
buf = kctbuf; /* Use original cutbuffer */
else
buf = kring+kct; /* Use somewhere in the kill ring */
/* Careful to prevent infinite looping */
if (kct == kctstart)
return 1;
/*
* Skip unset buffers instead of stopping as we used to do.
* Also skip zero-length buffers.
* There are two reasons for this:
* 1. We now map the array $killring directly into the
* killring, instead of via some extra size-checking logic.
* When $killring has been set, a buffer will always have
* at least a zero-length string in it.
* 2. The old logic was inconsistent; when the kill ring
* was full, we could loop round and round it, otherwise
* we just stopped when we hit the first empty buffer.
*/
} while (!buf->buf || *buf->buf == ZWC('\0'));
zlecs = yankb;
foredel(yanke - yankb, CUT_RAW);
cc = buf->len;
spaceinline(cc);
ZS_memcpy(zleline + zlecs, buf->buf, cc);
zlecs += cc;
yanke = zlecs;
return 0;
}
int
findbol(void)
{
int x = zlecs;
while (x > 0 && zleline[x - 1] != ZWC('\n'))
x--;
return x;
}
mod_export void
makesuffixstr(char *f, char *s, int n)
{
if (f) {
zsfree(suffixfunc);
suffixfunc = ztrdup(f);
suffixfunclen = n;
} else if (s) {
int inv, i, z = 0;
ZLE_STRING_T ws, lasts, wptr;
if (*s == '^' || *s == '!') {
inv = 1;
s++;
} else
inv = 0;
s = getkeystring(s, &i, GETKEYS_SUFFIX, &z);
s = metafy(s, i, META_USEHEAP);
ws = stringaszleline(s, 0, &i, NULL, NULL);
/* Remove suffix on uninsertable characters if \- was given *
* and the character class wasn't negated -- or vice versa. */
suffixnoinsrem = z ^ inv;
suffixlen = n;
lasts = wptr = ws;
while (i) {
if (i >= 3 && wptr[1] == ZWC('-')) {
ZLE_CHAR_T str[2];
if (wptr > lasts)
addsuffix(inv ? SUFTYP_NEGSTR : SUFTYP_POSSTR, 0,
lasts, wptr - lasts, n);
str[0] = *wptr;
str[1] = wptr[2];
addsuffix(inv ? SUFTYP_NEGRNG : SUFTYP_POSRNG, 0,
str, 2, n);
wptr += 3;
i -= 3;
lasts = wptr;
} else {
wptr++;
i--;
}
}
if (wptr > lasts)
addsuffix(inv ? SUFTYP_NEGSTR : SUFTYP_POSSTR, 0,
lasts, wptr - lasts, n);
free(ws);
} else
makesuffix(n);
}
int
whatcursorposition(UNUSED(char **args))
{
char msg[100];
char *s = msg, *mbstr;
int bol = findbol(), len;
ZLE_CHAR_T c = zleline[zlecs];
if (zlecs == zlell)
strucpy(&s, "EOF");
else {
strucpy(&s, "Char: ");
switch (c) {
case ZWC(' '):
strucpy(&s, "SPC");
break;
case ZWC('\t'):
strucpy(&s, "TAB");
break;
case ZWC('\n'):
strucpy(&s, "LFD");
break;
default:
/*
* convert a single character, remembering it may
* turn into a multibyte string or be metafied.
*/
mbstr = zlelineasstring(zleline+zlecs, 1, 0, &len, NULL, 1);
strcpy(s, mbstr);
s += len;
}
sprintf(s, " (0%o, %u, 0x%x)", (unsigned int)c,
(unsigned int)c, (unsigned int)c);
s += strlen(s);
}
sprintf(s, " point %d of %d(%d%%) column %d", zlecs+1, zlell+1,
zlell ? 100 * zlecs / zlell : 0, zlecs - bol);
showmsg(msg);
return 0;
}
int
killline(char **args)
{
int i = 0, n = zmult;
if (n < 0) {
int ret;
zmult = -n;
ret = backwardkillline(args);
zmult = n;
return ret;
}
while (n--) {
if (zleline[zlecs] == ZWC('\n'))
zlecs++, i++;
else
while (zlecs != zlell && zleline[zlecs] != ZWC('\n'))
zlecs++, i++;
}
backkill(i, CUT_RAW);
clearlist = 1;
return 0;
}
int
vibackwardword(char **args)
{
int n = zmult;
if (n < 0) {
int ret;
zmult = -n;
ret = backwardword(args);
zmult = n;
return ret;
}
while (n--) {
int nl = 0;
while (zlecs) {
DECCS();
if (!ZC_inblank(zleline[zlecs]))
break;
nl += (zleline[zlecs] == ZWC('\n'));
if (nl == 2) {
INCCS();
break;
}
}
if (zlecs) {
int pos = zlecs;
if (Z_vialnum(zleline[pos])) {
for (;;) {
zlecs = pos;
if (zlecs == 0)
break;
DECPOS(pos);
if (!Z_vialnum(zleline[pos]))
break;
}
} else {
for (;;) {
zlecs = pos;
if (zlecs == 0)
break;
DECPOS(pos);
if (Z_vialnum(zleline[pos]) || ZC_inblank(zleline[pos]))
break;
}
}
}
}
return 0;
}
static void
set_rbuffer(UNUSED(Param pm), char *x)
{
ZLE_STRING_T y;
int len;
if (x && *x != ZWC('\0'))
y = stringaszleline(x, 0, &len, NULL, NULL);
else
y = ZWS(""), len = 0;
sizeline(zlell = zlecs + len);
ZS_memcpy(zleline + zlecs, y, len);
zsfree(x);
if (len)
free(y);
fixsuffix();
menucmp = 0;
}
int
vijoin(UNUSED(char **args))
{
int x, pos;
int n = zmult;
int visual = region_active;
startvichange(-1);
if (n < 1)
return 1;
if (visual && zlecs > mark) {
exchangepointandmark(zlenoargs);
x = findeol();
if (x >= mark) {
exchangepointandmark(zlenoargs);
return 1;
}
} else if ((x = findeol()) == zlell || (visual && x >= mark))
return 1;
while (n) {
zlecs = x + 1;
pos = zlecs;
for (; zlecs != zlell && ZC_iblank(zleline[zlecs]); INCPOS(zlecs))
;
x = 1 + (zlecs - pos);
backdel(x, CUT_RAW);
if (zlecs) {
int pos = zlecs;
DECPOS(pos);
if (ZC_iblank(zleline[pos])) {
zlecs = pos;
return 0;
}
}
spaceinline(1);
zleline[zlecs] = ZWC(' ');
if ((!visual && --n < 2) || (x = findeol()) == zlell || (visual && x >= mark))
return 0;
}
return 0;
}
int
vibackwardword(char **args)
{
int n = zmult;
if (n < 0) {
int ret;
zmult = -n;
ret = viforwardword(args);
zmult = n;
return ret;
}
while (n--) {
int nl = 0;
while (zlecs) {
DECCS();
if (!ZC_inblank(zleline[zlecs]))
break;
nl += (zleline[zlecs] == ZWC('\n'));
if (nl == 2) {
INCCS();
break;
}
}
if (zlecs) {
int pos = zlecs;
int cc = wordclass(zleline[pos]);
for (;;) {
zlecs = pos;
if (zlecs == 0)
break;
DECPOS(pos);
if (wordclass(zleline[pos]) != cc || ZC_inblank(zleline[pos]))
break;
}
}
}
return 0;
}
static ZLE_STRING_T
makequote(ZLE_STRING_T str, size_t *len)
{
int qtct = 0;
ZLE_STRING_T l, ol;
ZLE_STRING_T end = str + *len;
for (l = str; l < end; l++)
if (*l == ZWC('\''))
qtct++;
*len += 2 + qtct*3;
l = ol = (ZLE_STRING_T)zhalloc(*len * ZLE_CHAR_SIZE);
*l++ = ZWC('\'');
for (; str < end; str++)
if (*str == ZWC('\'')) {
*l++ = ZWC('\'');
*l++ = ZWC('\\');
*l++ = ZWC('\'');
*l++ = ZWC('\'');
} else
*l++ = *str;
*l++ = ZWC('\'');
return ol;
}
void
cuttext(ZLE_STRING_T line, int ct, int flags)
{
if (!ct)
return;
UNMETACHECK();
if (zmod.flags & MOD_VIBUF) {
struct cutbuffer *b = &vibuf[zmod.vibuf];
if (!(zmod.flags & MOD_VIAPP) || !b->buf) {
free(b->buf);
b->buf = (ZLE_STRING_T)zalloc(ct * ZLE_CHAR_SIZE);
ZS_memcpy(b->buf, line, ct);
b->len = ct;
b->flags = vilinerange ? CUTBUFFER_LINE : 0;
} else {
int len = b->len;
if(vilinerange)
b->flags |= CUTBUFFER_LINE;
b->buf = (ZLE_STRING_T)
realloc((char *)b->buf,
(ct + len + !!(b->flags & CUTBUFFER_LINE))
* ZLE_CHAR_SIZE);
if (b->flags & CUTBUFFER_LINE)
b->buf[len++] = ZWC('\n');
ZS_memcpy(b->buf + len, line, ct);
b->len = len + ct;
}
return;
} else {
/* Save in "1, shifting "1-"8 along to "2-"9 */
int n;
free(vibuf[34].buf);
for(n=34; n>26; n--)
vibuf[n] = vibuf[n-1];
vibuf[26].buf = (ZLE_STRING_T)zalloc(ct * ZLE_CHAR_SIZE);
ZS_memcpy(vibuf[26].buf, line, ct);
vibuf[26].len = ct;
vibuf[26].flags = vilinerange ? CUTBUFFER_LINE : 0;
}
if (!cutbuf.buf) {
cutbuf.buf = (ZLE_STRING_T)zalloc(ZLE_CHAR_SIZE);
cutbuf.buf[0] = ZWC('\0');
cutbuf.len = cutbuf.flags = 0;
} else if (!(lastcmd & ZLE_KILL) || (flags & CUT_REPLACE)) {
Cutbuffer kptr;
if (!kring) {
kringsize = KRINGCTDEF;
kring = (Cutbuffer)zshcalloc(kringsize * sizeof(struct cutbuffer));
} else
kringnum = (kringnum + 1) % kringsize;
kptr = kring + kringnum;
if (kptr->buf)
free(kptr->buf);
*kptr = cutbuf;
cutbuf.buf = (ZLE_STRING_T)zalloc(ZLE_CHAR_SIZE);
cutbuf.buf[0] = ZWC('\0');
cutbuf.len = cutbuf.flags = 0;
}
if (flags & (CUT_FRONT|CUT_REPLACE)) {
ZLE_STRING_T s = (ZLE_STRING_T)zalloc((cutbuf.len + ct)*ZLE_CHAR_SIZE);
ZS_memcpy(s, line, ct);
ZS_memcpy(s + ct, cutbuf.buf, cutbuf.len);
free(cutbuf.buf);
cutbuf.buf = s;
cutbuf.len += ct;
} else {
cutbuf.buf = realloc((char *)cutbuf.buf,
(cutbuf.len + ct) * ZLE_CHAR_SIZE);
ZS_memcpy(cutbuf.buf + cutbuf.len, line, ct);
cutbuf.len += ct;
}
if(vilinerange)
cutbuf.flags |= CUTBUFFER_LINE;
else
cutbuf.flags &= ~CUTBUFFER_LINE;
}
int
visetbuffer(UNUSED(char **args))
{
ZLE_INT_T ch;
if ((zmod.flags & MOD_VIBUF) ||
(((ch = getfullchar(0)) < ZWC('1') || ch > ZWC('9')) &&
(ch < ZWC('a') || ch > ZWC('z')) &&
(ch < ZWC('A') || ch > ZWC('Z'))))
return 1;
if (ch >= ZWC('A') && ch <= ZWC('Z')) /* needed in cut() */
zmod.flags |= MOD_VIAPP;
else
zmod.flags &= ~MOD_VIAPP;
/* FIXME how portable is it for multibyte encoding? */
zmod.vibuf = ZC_tolower(ch);
if (ch >= ZWC('1') && ch <= ZWC('9'))
zmod.vibuf += - (int)ZWC('1') + 26;
else
zmod.vibuf += - (int)ZWC('a');
zmod.flags |= MOD_VIBUF;
prefixflag = 1;
return 0;
}
mod_export char *
zlelineasstring(ZLE_STRING_T instr, int inll, int incs, int *outllp,
int *outcsp, int useheap)
{
int outcs, outll, sub;
struct region_highlight *rhp;
#ifdef MULTIBYTE_SUPPORT
char *s;
int i, j;
size_t mb_len = 0;
mbstate_t mbs;
s = zalloc(inll * MB_CUR_MAX + 1);
outcs = 0;
memset(&mbs, 0, sizeof(mbs));
for (i=0; i < inll; i++) {
if (incs == 0)
outcs = mb_len;
incs--;
if (region_highlights && outcsp == &zlemetacs) {
for (rhp = region_highlights + N_SPECIAL_HIGHLIGHTS;
rhp < region_highlights + n_region_highlights;
rhp++) {
if (rhp->flags & ZRH_PREDISPLAY)
sub = predisplaylen;
else
sub = 0;
if (rhp->start - sub == 0)
rhp->start_meta = sub + mb_len;
rhp->start--;
if (rhp->end - sub == 0)
rhp->end_meta = sub + mb_len;
rhp->end--;
}
}
#ifdef __STDC_ISO_10646__
if (ZSH_INVALID_WCHAR_TEST(instr[i])) {
s[mb_len++] = ZSH_INVALID_WCHAR_TO_CHAR(instr[i]);
} else
#endif
{
j = wcrtomb(s + mb_len, instr[i], &mbs);
if (j == -1) {
/* invalid char */
s[mb_len++] = ZWC('?');
memset(&mbs, 0, sizeof(mbs));
} else {
mb_len += j;
}
}
}
if (incs == 0)
outcs = mb_len;
if (region_highlights && outcsp == &zlemetacs) {
for (rhp = region_highlights + N_SPECIAL_HIGHLIGHTS;
rhp < region_highlights + n_region_highlights;
rhp++) {
if (rhp->flags & ZRH_PREDISPLAY)
sub = predisplaylen;
else
sub = 0;
if (rhp->start - sub == 0)
rhp->start_meta = sub + mb_len;
if (rhp->end - sub == 0)
rhp->end_meta = sub + mb_len;
}
}
s[mb_len] = '\0';
outll = mb_len;
#else
outll = inll;
outcs = incs;
if (region_highlights && outcsp == &zlemetacs) {
for (rhp = region_highlights + N_SPECIAL_HIGHLIGHTS;
rhp < region_highlights + n_region_highlights;
rhp++) {
rhp->start_meta = rhp->start;
rhp->end_meta = rhp->end;
}
}
#endif
/*
* *outcsp and *outllp are to be indexes into the final string,
* not character offsets, so we need to take account of any
* metafiable characters.
*/
if (outcsp != NULL || outllp != NULL) {
#ifdef MULTIBYTE_SUPPORT
char *strp = s;
#else
char *strp = instr;
#endif
char *stopcs = strp + outcs;
char *stopll = strp + outll;
char *startp = strp;
if (region_highlights && outcsp == &zlemetacs) {
for (rhp = region_highlights + N_SPECIAL_HIGHLIGHTS;
rhp < region_highlights + n_region_highlights;
rhp++) {
/* Used as temporary storage */
rhp->start = rhp->start_meta;
rhp->end = rhp->end_meta;
}
}
while (strp < stopll) {
if (imeta(*strp)) {
if (strp < stopcs)
outcs++;
if (region_highlights && outcsp == &zlemetacs) {
for (rhp = region_highlights + N_SPECIAL_HIGHLIGHTS;
rhp < region_highlights + n_region_highlights;
rhp++) {
if (rhp->flags & ZRH_PREDISPLAY)
sub = predisplaylen;
else
sub = 0;
if (strp < startp + rhp->start - sub) {
rhp->start_meta++;
}
if (strp < startp + rhp->end - sub) {
rhp->end_meta++;
}
}
}
outll++;
}
strp++;
}
if (outcsp != NULL)
*outcsp = outcs;
if (outllp != NULL)
*outllp = outll;
}
#ifdef MULTIBYTE_SUPPORT
if (useheap) {
char *ret = metafy(s, mb_len, META_HEAPDUP);
zfree(s, inll * MB_CUR_MAX + 1);
return ret;
}
return metafy(s, mb_len, META_REALLOC);
#else
return metafy(instr, inll, useheap ? META_HEAPDUP : META_DUP);
#endif
}
void
doinsert(ZLE_STRING_T zstr, int len)
{
ZLE_STRING_T s;
ZLE_CHAR_T c1 = *zstr; /* first character */
int neg = zmult < 0; /* insert *after* the cursor? */
int m = neg ? -zmult : zmult; /* number of copies to insert */
int count;
UNMETACHECK();
iremovesuffix(c1, 0);
invalidatelist();
/* In overwrite mode, don't replace newlines. */
if (insmode || zleline[zlecs] == ZWC('\n'))
spaceinline(m * len);
else
{
int pos = zlecs, diff, i;
#ifdef MULTIBYTE_SUPPORT
/*
* Calculate the number of character positions we are
* going to be using. The algorithm is that
* anything that shows up as a logical single character
* (i.e. even if control, or double width, or with combining
* characters) is treated as 1 for the purpose of replacing
* what's there already.
*
* This can cause inserting of a combining character in
* places where it should overwrite, such as the start
* of a line. However, combining characters aren't
* useful there anyway and this doesn't cause any
* particular harm.
*/
for (i = 0, count = 0; i < len * m; i++) {
if (!IS_COMBINING(zstr[i]))
count++;
}
#else
count = len * m;
#endif
/*
* Ensure we replace a complete combining characterfor each
* character we overwrite. Switch to inserting at first newline.
*/
for (i = count; pos < zlell && zleline[pos] != ZWC('\n') && i--; ) {
INCPOS(pos);
}
/*
* Calculate how many raw line places we need.
* pos - zlecs is the raw line distance we're replacing,
* m * len the number we're inserting.
*/
diff = pos - zlecs - m * len;
if (diff < 0) {
spaceinline(-diff);
} else if (diff > 0) {
/*
* We use shiftchars() here because we don't
* want combining char alignment fixed up: we
* are going to write over any that remain.
*/
shiftchars(zlecs, diff);
}
}
while (m--)
for (s = zstr, count = len; count; s++, count--)
zleline[zlecs++] = *s;
if (neg)
zlecs += zmult * len;
/* if we ended up on a combining character, skip over it */
CCRIGHT();
}
mod_export void
iremovesuffix(ZLE_INT_T c, int keep)
{
if (suffixfunc) {
Shfunc shfunc = getshfunc(suffixfunc);
if (shfunc) {
LinkList args = newlinklist();
char buf[20];
int osc = sfcontext;
int wasmeta = (zlemetaline != 0);
if (wasmeta) {
/*
* The suffix removal function runs as a normal
* ZLE function, not a completion function, so
* the line should be unmetafied if this was
* called from completion. (It may not be since
* we may decide to remove the suffix later.)
*/
unmetafy_line();
}
sprintf(buf, "%d", suffixfunclen);
addlinknode(args, suffixfunc);
addlinknode(args, buf);
startparamscope();
makezleparams(0);
sfcontext = SFC_COMPLETE;
doshfunc(shfunc, args, 1);
sfcontext = osc;
endparamscope();
if (wasmeta)
metafy_line();
}
zsfree(suffixfunc);
suffixfunc = NULL;
} else {
int sl = 0, flags = 0;
struct suffixset *ss;
if (c == NO_INSERT_CHAR) {
sl = suffixnoinsrem ? suffixlen : 0;
} else {
ZLE_CHAR_T ch = c;
/*
* Search for a match for ch in the suffix list.
* We stop if we encounter a match in a positive or negative
* list, using the suffix length specified or zero respectively.
* If we reached the end and passed through a negative
* list, we use the suffix length for that, else zero.
* This would break if it were possible to have negative
* sets with different suffix length: that's not supposed
* to happen.
*/
int negsuflen = 0, found = 0;
for (ss = suffixlist; ss; ss = ss->next) {
switch (ss->tp) {
case SUFTYP_POSSTR:
if (ZS_memchr(ss->chars, ch, ss->lenstr)) {
sl = ss->lensuf;
found = 1;
}
break;
case SUFTYP_NEGSTR:
if (ZS_memchr(ss->chars, ch, ss->lenstr)) {
sl = 0;
found = 1;
} else {
negsuflen = ss->lensuf;
}
break;
case SUFTYP_POSRNG:
if (ss->chars[0] <= ch && ch <= ss->chars[1]) {
sl = ss->lensuf;
found = 1;
}
break;
case SUFTYP_NEGRNG:
if (ss->chars[0] <= ch && ch <= ss->chars[1]) {
sl = 0;
found = 1;
} else {
negsuflen = ss->lensuf;
}
break;
}
if (found) {
flags = ss->flags;
break;
}
}
if (!found)
sl = negsuflen;
}
if (sl) {
/* must be shifting wide character lengths */
backdel(sl, CUT_RAW);
if (flags & SUFFLAGS_SPACE)
{
/* Add a space and advance over it */
spaceinline(1);
if (zlemetaline) {
zlemetaline[zlemetacs++] = ' ';
} else {
zleline[zlecs++] = ZWC(' ');
}
}
if (!keep)
invalidatelist();
}
}
fixsuffix();
}
mod_export void
spaceinline(int ct)
{
int i, sub;
struct region_highlight *rhp;
if (zlemetaline) {
sizeline(ct + zlemetall);
for (i = zlemetall; --i >= zlemetacs;)
zlemetaline[i + ct] = zlemetaline[i];
zlemetall += ct;
zlemetaline[zlemetall] = '\0';
if (mark > zlemetacs)
mark += ct;
if (region_highlights) {
for (rhp = region_highlights + N_SPECIAL_HIGHLIGHTS;
rhp < region_highlights + n_region_highlights;
rhp++) {
if (rhp->flags & ZRH_PREDISPLAY)
sub = predisplaylen;
else
sub = 0;
if (rhp->start_meta - sub >= zlemetacs) {
rhp->start_meta += ct;
}
if (rhp->end_meta - sub >= zlemetacs) {
rhp->end_meta += ct;
}
}
}
} else {
sizeline(ct + zlell);
for (i = zlell; --i >= zlecs;)
zleline[i + ct] = zleline[i];
zlell += ct;
zleline[zlell] = ZWC('\0');
if (mark > zlecs)
mark += ct;
if (region_highlights) {
for (rhp = region_highlights + N_SPECIAL_HIGHLIGHTS;
rhp < region_highlights + n_region_highlights;
rhp++) {
if (rhp->flags & ZRH_PREDISPLAY)
sub = predisplaylen;
else
sub = 0;
if (rhp->start - sub >= zlecs) {
rhp->start += ct;
}
if (rhp->end - sub >= zlecs) {
rhp->end += ct;
}
}
}
}
region_active = 0;
}
Thingy
executenamedcommand(char *prmt)
{
Thingy cmd, retval = NULL;
int l, len, feep = 0, listed = 0, curlist = 0;
int ols = (listshown && validlist), olll = lastlistlen;
char *cmdbuf, *ptr;
char *okeymap = ztrdup(curkeymapname);
clearlist = 1;
/* prmt may be constant */
prmt = ztrdup(prmt);
l = strlen(prmt);
cmdbuf = (char *)zhalloc(l + NAMLEN + 2
#ifdef MULTIBYTE_SUPPORT
+ 2 * MB_CUR_MAX
#endif
);
strcpy(cmdbuf, prmt);
zsfree(prmt);
statusline = cmdbuf;
selectlocalmap(command_keymap);
selectkeymap("main", 1);
ptr = cmdbuf += l;
len = 0;
for (;;) {
*ptr = '_';
ptr[1] = '\0';
zrefresh();
if (!(cmd = getkeycmd()) || cmd == Th(z_sendbreak)) {
statusline = NULL;
selectkeymap(okeymap, 1);
zsfree(okeymap);
if ((listshown = ols)) {
showinglist = -2;
lastlistlen = olll;
} else if (listed)
clearlist = listshown = 1;
retval = NULL;
goto done;
}
if(cmd == Th(z_clearscreen)) {
clearscreen(zlenoargs);
if (curlist) {
int zmultsav = zmult;
zmult = 1;
listlist(namedcmdll);
showinglist = 0;
zmult = zmultsav;
}
} else if(cmd == Th(z_redisplay)) {
redisplay(zlenoargs);
if (curlist) {
int zmultsav = zmult;
zmult = 1;
listlist(namedcmdll);
showinglist = 0;
zmult = zmultsav;
}
} else if(cmd == Th(z_viquotedinsert)) {
*ptr = '^';
zrefresh();
getfullchar(0);
if(LASTFULLCHAR == ZLEEOF || !LASTFULLCHAR || len >= NAMLEN)
feep = 1;
else {
int ret = zlecharasstring(LASTFULLCHAR, ptr);
len += ret;
ptr += ret;
curlist = 0;
}
} else if(cmd == Th(z_quotedinsert)) {
if(getfullchar(0) == ZLEEOF ||
!LASTFULLCHAR || len == NAMLEN)
feep = 1;
else {
int ret = zlecharasstring(LASTFULLCHAR, ptr);
len += ret;
ptr += ret;
curlist = 0;
}
} else if(cmd == Th(z_backwarddeletechar) ||
cmd == Th(z_vibackwarddeletechar)) {
if (len) {
ptr = backwardmetafiedchar(cmdbuf, ptr, NULL);
len = ptr - cmdbuf;
curlist = 0;
}
} else if(cmd == Th(z_killregion) || cmd == Th(z_backwardkillword) ||
cmd == Th(z_vibackwardkillword)) {
if (len)
curlist = 0;
while (len) {
convchar_t cc;
ptr = backwardmetafiedchar(cmdbuf, ptr, &cc);
len = ptr - cmdbuf;
if (cc == ZWC('-'))
break;
}
} else if(cmd == Th(z_killwholeline) || cmd == Th(z_vikillline) ||
cmd == Th(z_backwardkillline)) {
len = 0;
ptr = cmdbuf;
if (listed)
clearlist = listshown = 1;
curlist = 0;
} else if (cmd == Th(z_bracketedpaste)) {
char *insert = bracketedstring();
size_t inslen = strlen(insert);
if (len + inslen > NAMLEN)
feep = 1;
else {
strcpy(ptr, insert);
len += inslen;
ptr += inslen;
if (listed) {
clearlist = listshown = 1;
listed = 0;
} else
curlist = 0;
}
free(insert);
} else {
if(cmd == Th(z_acceptline) || cmd == Th(z_vicmdmode)) {
Thingy r;
unambiguous:
*ptr = 0;
r = rthingy(cmdbuf);
if (!(r->flags & DISABLED)) {
unrefthingy(r);
statusline = NULL;
selectkeymap(okeymap, 1);
zsfree(okeymap);
if ((listshown = ols)) {
showinglist = -2;
lastlistlen = olll;
} else if (listed)
clearlist = listshown = 1;
retval = r;
goto done;
}
unrefthingy(r);
}
if(cmd == Th(z_selfinsertunmeta)) {
fixunmeta();
cmd = Th(z_selfinsert);
}
if (cmd == Th(z_listchoices) || cmd == Th(z_deletecharorlist) ||
cmd == Th(z_expandorcomplete) || cmd == Th(z_completeword) ||
cmd == Th(z_expandorcompleteprefix) || cmd == Th(z_vicmdmode) ||
cmd == Th(z_acceptline) || lastchar == ' ' || lastchar == '\t') {
namedcmdambig = 100;
namedcmdll = newlinklist();
*ptr = '\0';
namedcmdstr = cmdbuf;
scanhashtable(thingytab, 1, 0, DISABLED, scancompcmd, 0);
namedcmdstr = NULL;
if (empty(namedcmdll)) {
feep = 1;
if (listed)
clearlist = listshown = 1;
curlist = 0;
} else if (cmd == Th(z_listchoices) ||
cmd == Th(z_deletecharorlist)) {
int zmultsav = zmult;
*ptr = '_';
ptr[1] = '\0';
zmult = 1;
listlist(namedcmdll);
listed = curlist = 1;
showinglist = 0;
zmult = zmultsav;
} else if (!nextnode(firstnode(namedcmdll))) {
strcpy(ptr = cmdbuf, peekfirst(namedcmdll));
len = strlen(ptr);
ptr += len;
if (cmd == Th(z_acceptline) || cmd == Th(z_vicmdmode))
goto unambiguous;
} else {
strcpy(cmdbuf, peekfirst(namedcmdll));
ptr = cmdbuf + namedcmdambig;
*ptr = '_';
ptr[1] = '\0';
if (isset(AUTOLIST) &&
!(isset(LISTAMBIGUOUS) && namedcmdambig > len)) {
int zmultsav = zmult;
if (isset(LISTBEEP))
feep = 1;
zmult = 1;
listlist(namedcmdll);
listed = curlist = 1;
showinglist = 0;
zmult = zmultsav;
}
len = namedcmdambig;
}
} else {
if (len == NAMLEN || cmd != Th(z_selfinsert))
feep = 1;
else {
#ifdef MULTIBYTE_SUPPORT
if (!lastchar_wide_valid)
getrestchar(lastchar, NULL, NULL);
if (lastchar_wide == WEOF)
feep = 1;
else
#endif
if (ZC_icntrl(LASTFULLCHAR))
feep = 1;
else {
int ret = zlecharasstring(LASTFULLCHAR, ptr);
len += ret;
ptr += ret;
if (listed) {
clearlist = listshown = 1;
listed = 0;
} else
curlist = 0;
}
}
}
}
if (feep)
handlefeep(zlenoargs);
feep = 0;
}
done:
selectlocalmap(NULL);
return retval;
}
char *
zleread(char **lp, char **rp, int flags, int context, char *init, char *finish)
{
char *s, **bracket;
int old_errno = errno;
int tmout = getiparam("TMOUT");
#if defined(HAVE_POLL) || defined(HAVE_SELECT)
/* may not be set, but that's OK since getiparam() returns 0 == off */
baud = getiparam("BAUD");
costmult = (baud) ? 3840000L / baud : 0;
#endif
/* ZLE doesn't currently work recursively. This is needed in case a *
* select loop is used in a function called from ZLE. vared handles *
* this differently itself. */
if(zleactive) {
char *pptbuf;
int pptlen;
pptbuf = unmetafy(promptexpand(lp ? *lp : NULL, 0, NULL, NULL,
&pmpt_attr),
&pptlen);
write_loop(2, pptbuf, pptlen);
free(pptbuf);
return shingetline();
}
/*
* The current status is what we need if we are going
* to display a prompt. We'll remember it here for
* use further in.
*/
pre_zle_status = lastval;
keytimeout = (time_t)getiparam("KEYTIMEOUT");
if (!shout) {
if (SHTTY != -1)
init_shout();
if (!shout)
return NULL;
/* We could be smarter and default to a system read. */
/* If we just got a new shout, make sure the terminal is set up. */
if (termflags & TERM_UNKNOWN)
init_term();
}
fflush(shout);
fflush(stderr);
intr();
insmode = unset(OVERSTRIKE);
eofsent = 0;
resetneeded = 0;
fetchttyinfo = 0;
trashedzle = 0;
raw_lp = lp;
lpromptbuf = promptexpand(lp ? *lp : NULL, 1, NULL, NULL, &pmpt_attr);
raw_rp = rp;
rpmpt_attr = pmpt_attr;
rpromptbuf = promptexpand(rp ? *rp : NULL, 1, NULL, NULL, &rpmpt_attr);
free_prepostdisplay();
zlereadflags = flags;
zlecontext = context;
histline = curhist;
vistartchange = -1;
zleline = (ZLE_STRING_T)zalloc(((linesz = 256) + 2) * ZLE_CHAR_SIZE);
*zleline = ZWC('\0');
virangeflag = lastcmd = done = zlecs = zlell = mark = 0;
vichgflag = 0;
viinsbegin = 0;
statusline = NULL;
selectkeymap("main", 1);
initundo();
fixsuffix();
if ((s = getlinknode(bufstack))) {
setline(s, ZSL_TOEND);
zsfree(s);
if (stackcs != -1) {
zlecs = stackcs;
stackcs = -1;
if (zlecs > zlell)
zlecs = zlell;
CCLEFT();
}
if (stackhist != -1) {
histline = stackhist;
stackhist = -1;
}
handleundo();
}
/*
* If main is linked to the viins keymap, we need to register
* explicitly that we're now in vi insert mode as there's
* no user operation to indicate this.
*/
if (openkeymap("main") == openkeymap("viins"))
viinsert_init();
selectlocalmap(NULL);
if (isset(PROMPTCR))
putc('\r', shout);
if (tmout)
alarm(tmout);
/*
* On some windowing systems we may enter this function before the
* terminal is fully opened and sized, resulting in an infinite
* series of SIGWINCH when the handler prints the prompt before we
* have done so here. Therefore, hold any such signal until the
* first full refresh has completed. The important bit is that the
* handler must not see zleactive = 1 until ZLE really is active.
* See the end of adjustwinsize() in Src/utils.c
*/
queue_signals();
zleactive = 1;
resetneeded = 1;
/*
* Start of the main zle read.
* Fully reset error conditions, including user interrupt.
*/
errflag = retflag = 0;
lastcol = -1;
initmodifier(&zmod);
prefixflag = 0;
zrefresh();
unqueue_signals(); /* Should now be safe to acknowledge SIGWINCH */
zlecallhook(init, NULL);
if ((bracket = getaparam("zle_bracketed_paste")) && arrlen(bracket) == 2)
fputs(*bracket, shout);
zrefresh();
zlecore();
if (errflag)
setsparam((zlecontext == ZLCON_VARED) ?
"ZLE_VARED_ABORTED" :
"ZLE_LINE_ABORTED", zlegetline(NULL, NULL));
if ((bracket = getaparam("zle_bracketed_paste")) && arrlen(bracket) == 2)
fputs(bracket[1], shout);
if (done && !exit_pending && !errflag)
zlecallhook(finish, NULL);
statusline = NULL;
invalidatelist();
trashzle();
free(lpromptbuf);
free(rpromptbuf);
zleactive = zlereadflags = lastlistlen = zlecontext = 0;
alarm(0);
freeundo();
if (eofsent || errflag || exit_pending) {
s = NULL;
} else {
zleline[zlell++] = ZWC('\n');
s = zlegetline(NULL, NULL);
}
free(zleline);
zleline = NULL;
forget_edits();
errno = old_errno;
/* highlight no longer valid */
set_region_highlight(NULL, NULL);
return s;
}
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();
}
void
shiftchars(int to, int cnt)
{
struct region_highlight *rhp;
int sub;
if (mark >= to + cnt)
mark -= cnt;
else if (mark > to)
mark = to;
if (zlemetaline) {
/* before to is updated... */
if (region_highlights) {
for (rhp = region_highlights + N_SPECIAL_HIGHLIGHTS;
rhp < region_highlights + n_region_highlights;
rhp++) {
if (rhp->flags & ZRH_PREDISPLAY)
sub = predisplaylen;
else
sub = 0;
if (rhp->start_meta - sub > to) {
if (rhp->start_meta - sub > to + cnt)
rhp->start_meta -= cnt;
else
rhp->start_meta = to;
}
if (rhp->end_meta - sub > to) {
if (rhp->end_meta - sub > to + cnt)
rhp->end_meta -= cnt;
else
rhp->end_meta = to;
}
}
}
while (to + cnt < zlemetall) {
zlemetaline[to] = zlemetaline[to + cnt];
to++;
}
zlemetaline[zlemetall = to] = '\0';
} else {
/* before to is updated... */
if (region_highlights) {
for (rhp = region_highlights + N_SPECIAL_HIGHLIGHTS;
rhp < region_highlights + n_region_highlights;
rhp++) {
if (rhp->flags & ZRH_PREDISPLAY)
sub = predisplaylen;
else
sub = 0;
if (rhp->start - sub > to) {
if (rhp->start - sub > to + cnt)
rhp->start -= cnt;
else
rhp->start = to;
}
if (rhp->end - sub > to) {
if (rhp->end - sub > to + cnt)
rhp->end -= cnt;
else
rhp->end = to;
}
}
}
while (to + cnt < zlell) {
zleline[to] = zleline[to + cnt];
to++;
}
zleline[zlell = to] = ZWC('\0');
}
region_active = 0;
}
