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;
}
char *
zleread(char **lp, char **rp, int flags, int context)
{
char *s;
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;
undoing = 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);
selectlocalmap(NULL);
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;
}
}
initundo();
if (isset(PROMPTCR))
putc('\r', shout);
if (tmout)
alarm(tmout);
zleactive = 1;
resetneeded = 1;
errflag = retflag = 0;
lastcol = -1;
initmodifier(&zmod);
prefixflag = 0;
zrefresh();
zlecallhook("zle-line-init", NULL);
zlecore();
if (errflag)
setsparam("ZLE_LINE_ABORTED", zlegetline(NULL, NULL));
if (done && !exit_pending && !errflag)
zlecallhook("zle-line-finish", NULL);
statusline = NULL;
invalidatelist();
trashzle();
free(lpromptbuf);
free(rpromptbuf);
zleactive = zlereadflags = lastlistlen = zlecontext = 0;
alarm(0);
freeundo();
if (eofsent) {
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;
}