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fix no less than two more bugs and one regression in the Emacs tab completion code (LP#1025843)

This commit is contained in:
tg 2012-07-20 20:16:26 +00:00
parent 2aceb6893d
commit 98ff25a001
1 changed files with 42 additions and 17 deletions
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59
edit.c
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@ -28,7 +28,7 @@
#ifndef MKSH_NO_CMDLINE_EDITING
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.241 2012/07/20 18:39:53 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.242 2012/07/20 20:16:26 tg Exp $");
/*
* in later versions we might use libtermcap for this, but since external
@ -2726,7 +2726,7 @@ do_complete(
{
char **words;
int start, end, nlen, olen, nwords;
bool completed = false;
bool completed;
nwords = x_cf_glob(&flags, xbuf, xep - xbuf, xcp - xbuf,
&start, &end, &words);
@ -2744,14 +2744,47 @@ do_complete(
}
olen = end - start;
nlen = x_longest_prefix(nwords, words);
/* always complete */
x_goto(xbuf + start);
x_delete(olen, false);
x_escape(words[0], nlen, x_do_ins);
x_adjust();
/* check if we did add something */
if (xcp - (xbuf + start) > olen)
if (nwords == 1 || (flags & XCF_IS_SUBGLOB)) {
/*
* always complete the expansion of parameter and
* homedir substitution as well as single matches
*/
completed = true;
} else {
char *unescaped;
/* make a copy of the original string part and... */
strndupx(unescaped, xbuf + start, olen, ATEMP);
/* ... convert it from backslash-escaped via QCHAR-escaped... */
x_glob_hlp_add_qchar(unescaped);
/* ... to unescaped, for comparison with the matches */
x_glob_hlp_rem_qchar(unescaped);
/*
* match iff entire original string is part of the
* longest prefix, implying the latter is at least
* the same size (after unescaping)
*/
completed = !strncmp(words[0], unescaped, strlen(unescaped));
afree(unescaped, ATEMP);
}
if (type == CT_COMPLIST && nwords > 1) {
/*
* print expansions, since we didn't get back
* just a single match
*/
x_print_expansions(nwords, words,
tobool(flags & XCF_IS_COMMAND));
}
if (completed) {
/* expand on the command line */
xmp = NULL;
xcp = xbuf + start;
xep -= olen;
memmove(xcp, xcp + olen, xep - xcp + 1);
x_escape(words[0], nlen, x_do_ins);
}
x_adjust();
/*
* append a space if this is a single non-directory match
* and not a parameter or homedir substitution
@ -2759,15 +2792,7 @@ do_complete(
if (nwords == 1 && words[0][nlen - 1] != '/' &&
!(flags & XCF_IS_SUBGLOB)) {
x_ins(" ");
completed = true;
}
if (type == CT_COMPLIST && !completed) {
x_print_expansions(nwords, words,
tobool(flags & XCF_IS_COMMAND));
completed = true;
}
if (completed)
x_redraw(0);
x_free_words(nwords, words);
}