static void cond_subst(char **strp, int glob_ok)
{
if (glob_ok &&
checkglobqual(*strp, strlen(*strp), 1, NULL)) {
LinkList args = newlinklist();
addlinknode(args, *strp);
prefork(args, 0, NULL);
while (!errflag && args && nonempty(args) &&
has_token((char *)peekfirst(args)))
zglob(args, firstnode(args), 0);
*strp = sepjoin(hlinklist2array(args, 0), NULL, 1);
} else
singsub(strp);
}
int
multsub(char **s, char ***a, int *isarr, char *sep)
{
LinkList foo;
int l;
char **r, **p;
foo = newlinklist();
addlinknode(foo, *s);
prefork(foo, 0);
if (errflag) {
if (isarr)
*isarr = 0;
return 0;
}
if ((l = countlinknodes(foo)) > 1) {
p = r = ncalloc((l + 1) * sizeof(char*));
while (nonempty(foo))
*p++ = (char *)ugetnode(foo);
*p = NULL;
if (a) {
*a = r;
*isarr = 1;
return 0;
}
*s = sepjoin(r, NULL);
return 0;
}
if (l)
*s = (char *) ugetnode(foo);
else
*s = dupstring("");
if (isarr)
*isarr = 0;
return !l;
}
static int
bin_vared(char *name, char **args, Options ops, UNUSED(int func))
{
char *s, *t, *ova = varedarg;
struct value vbuf;
Value v;
Param pm = 0;
int ifl;
int type = PM_SCALAR, obreaks = breaks, haso = 0, oSHTTY = 0;
char *p1, *p2, *main_keymapname, *vicmd_keymapname, *init, *finish;
Keymap main_keymapsave = NULL, vicmd_keymapsave = NULL;
FILE *oshout = NULL;
if ((interact && unset(USEZLE)) || !strcmp(term, "emacs")) {
zwarnnam(name, "ZLE not enabled");
return 1;
}
if (zleactive) {
zwarnnam(name, "ZLE cannot be used recursively (yet)");
return 1;
}
if (OPT_ISSET(ops,'A'))
{
if (OPT_ISSET(ops, 'a'))
{
zwarnnam(name, "specify only one of -a and -A");
return 1;
}
type = PM_HASHED;
}
else if (OPT_ISSET(ops,'a'))
type = PM_ARRAY;
p1 = OPT_ARG_SAFE(ops,'p');
p2 = OPT_ARG_SAFE(ops,'r');
main_keymapname = OPT_ARG_SAFE(ops,'M');
vicmd_keymapname = OPT_ARG_SAFE(ops,'m');
init = OPT_ARG_SAFE(ops,'i');
finish = OPT_ARG_SAFE(ops,'f');
if (type != PM_SCALAR && !OPT_ISSET(ops,'c')) {
zwarnnam(name, "-%s ignored", type == PM_ARRAY ? "a" : "A");
}
/* handle non-existent parameter */
s = args[0];
queue_signals();
v = fetchvalue(&vbuf, &s, (!OPT_ISSET(ops,'c') || type == PM_SCALAR),
SCANPM_WANTKEYS|SCANPM_WANTVALS|SCANPM_MATCHMANY);
if (!v && !OPT_ISSET(ops,'c')) {
unqueue_signals();
zwarnnam(name, "no such variable: %s", args[0]);
return 1;
} else if (v) {
if (*s) {
zwarnnam(name, "not an identifier: `%s'", args[0]);
return 1;
}
if (v->isarr) {
/* Array: check for separators and quote them. */
char **arr = getarrvalue(v), **aptr, **tmparr, **tptr;
tptr = tmparr = (char **)zhalloc(sizeof(char *)*(arrlen(arr)+1));
for (aptr = arr; *aptr; aptr++) {
int sepcount = 0, clen;
convchar_t c;
/*
* See if this word contains a separator character
* or backslash
*/
MB_METACHARINIT();
for (t = *aptr; *t; ) {
if (*t == '\\') {
t++;
sepcount++;
} else {
t += MB_METACHARLENCONV(t, &c);
if (WC_ZISTYPE(c, ISEP))
sepcount++;
}
}
if (sepcount) {
/* Yes, so allocate enough space to quote it. */
char *newstr, *nptr;
newstr = zhalloc(strlen(*aptr)+sepcount+1);
/* Go through string quoting separators */
MB_METACHARINIT();
for (t = *aptr, nptr = newstr; *t; ) {
if (*t == '\\') {
*nptr++ = '\\';
*nptr++ = *t++;
} else {
clen = MB_METACHARLENCONV(t, &c);
if (WC_ZISTYPE(c, ISEP))
*nptr++ = '\\';
while (clen--)
*nptr++ = *t++;
}
}
*nptr = '\0';
/* Stick this into the array of words to join up */
*tptr++ = newstr;
} else
*tptr++ = *aptr; /* No, keep original array element */
}
*tptr = NULL;
s = sepjoin(tmparr, NULL, 0);
} else {
s = ztrdup(getstrvalue(v));
}
unqueue_signals();
} else if (*s) {
unqueue_signals();
zwarnnam(name, "invalid parameter name: %s", args[0]);
return 1;
} else {
unqueue_signals();
s = ztrdup(s);
}
if (SHTTY == -1 || OPT_ISSET(ops,'t')) {
/* need to open /dev/tty specially */
oSHTTY = SHTTY;
if ((SHTTY = open(OPT_ISSET(ops,'t') ? OPT_ARG(ops,'t') : "/dev/tty",
O_RDWR|O_NOCTTY)) == -1) {
zwarnnam(name, "can't access terminal");
zsfree(s);
return 1;
}
if (!isatty(SHTTY)) {
zwarnnam(name, "%s: not a terminal", OPT_ARG(ops,'t'));
close(SHTTY);
SHTTY = oSHTTY;
zsfree(s);
return 1;
}
oshout = shout;
init_shout();
haso = 1;
}
/* edit the parameter value */
zpushnode(bufstack, s);
if (main_keymapname &&
savekeymap(name, "main", main_keymapname, &main_keymapsave))
main_keymapname = NULL;
if (vicmd_keymapname &&
savekeymap(name, "vicmd", vicmd_keymapname, &vicmd_keymapsave))
vicmd_keymapname = NULL;
varedarg = *args;
ifl = isfirstln;
if (OPT_ISSET(ops,'h'))
hbegin(2);
isfirstln = OPT_ISSET(ops,'e');
t = zleread(&p1, &p2, OPT_ISSET(ops,'h') ? ZLRF_HISTORY : 0, ZLCON_VARED,
init ? init : "zle-line-init",
finish ? finish : "zle-line-finish");
if (OPT_ISSET(ops,'h'))
hend(NULL);
isfirstln = ifl;
varedarg = ova;
restorekeymap(name, "main", main_keymapname, main_keymapsave);
restorekeymap(name, "vicmd", vicmd_keymapname, vicmd_keymapsave);
if (haso) {
fclose(shout); /* close(SHTTY) */
shout = oshout;
SHTTY = oSHTTY;
}
if (!t || errflag) {
/* error in editing */
errflag &= ~ERRFLAG_ERROR;
breaks = obreaks;
if (t)
zsfree(t);
return 1;
}
/* strip off trailing newline, if any */
if (t[strlen(t) - 1] == '\n')
t[strlen(t) - 1] = '\0';
/* final assignment of parameter value */
if (OPT_ISSET(ops,'c')) {
unsetparam(args[0]);
createparam(args[0], type);
}
queue_signals();
pm = (Param) paramtab->getnode(paramtab, args[0]);
if (pm && (PM_TYPE(pm->node.flags) & (PM_ARRAY|PM_HASHED))) {
char **a;
/*
* Use spacesplit with fourth argument 1: identify quoted separators,
* and unquote. This duplicates the string, so we still need to free.
*/
a = spacesplit(t, 1, 0, 1);
zsfree(t);
if (PM_TYPE(pm->node.flags) == PM_ARRAY)
setaparam(args[0], a);
else
sethparam(args[0], a);
} else
setsparam(args[0], t);
unqueue_signals();
return 0;
}