Re: Bug in _approximate with ~/

[Sven Wischnowsky <wischnow@informatik.hu-berlin.de>]

Bart Schaefer wrote:

> On Aug 17, 11:16am, Sven Wischnowsky wrote:
> }
> } Bart Schaefer wrote:
> } 
> } > the other completions that are attempted in command position are this
> } > intelligent -- they all interpret `(#a1)~/test/f' as `(#a1)()~/test/f',
> } > that is, allow one correction to the empty string as long as that does
> } > not match `/test/f'.  Consequently you get all the one-letter commands,
> } 
> } Hmhm.  To be fixed in C-code where the globbing flags are moved
> } farther into the prefix if needed.
> 
> Is that really right?  What if I actually type `(#a1)~/test/f' before I
> hit TAB?

Hrmpf, yes, I always forget that one might type something like that by 
hand.  Still, since _approximate works by faking a different PREFIX,
some things will never be possible, I fear.

All this will become more manageable when all of this stuff is in
shell code, I hope.


Bye
  Sven

Index: Completion/Base/Completer/_approximate
===================================================================
RCS file: /cvsroot/zsh/zsh/Completion/Base/Completer/_approximate,v
retrieving revision 1.5
diff -u -r1.5 _approximate
--- Completion/Base/Completer/_approximate	2001/08/16 08:07:42	1.5
+++ Completion/Base/Completer/_approximate	2001/08/20 13:09:25
@@ -49,15 +49,16 @@
 
 if (( ! $+functions[compadd] )); then
   compadd() {
+    local ppre="$argv[(I)-p]"
+
     [[ ${argv[(I)-[a-zA-Z]#U[a-zA-Z]#]} -eq 0 &&
        "${#:-$PREFIX$SUFFIX}" -le _comp_correct ]] && return
 
-    ### This distinction doesn't seem to be needed anymore
-    # if [[ "$PREFIX" = \~*/* ]]; then
-    #   PREFIX="${PREFIX%%/*}/(#a${_comp_correct})${PREFIX#*/}"
-    # else
+    if [[ "$PREFIX" = \~* && ( ppre -eq 0 || "$argv[ppre+1]" != \~* ) ]]; then
+      PREFIX="~(#a${_comp_correct})${PREFIX[2,-1]}"
+    else
       PREFIX="(#a${_comp_correct})$PREFIX"
-    # fi
+    fi
 
     (( $_correct_group && $argv[(I)-*[JV]] )) &&
         _correct_expl[_correct_group]=${argv[(R)-*[JV]]}
Index: Src/Zle/compcore.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/Zle/compcore.c,v
retrieving revision 1.49
diff -u -r1.49 compcore.c
--- Src/Zle/compcore.c	2001/08/17 09:25:22	1.49
+++ Src/Zle/compcore.c	2001/08/20 13:09:26
@@ -1782,23 +1782,21 @@
 	} else
 	    lsl = 0;
 	if (dat->aflags & CAF_MATCH) {
-	    int ml, gfl = 0, tildepat = 0;
+	    int ml, gfl = 0;
 	    char *globflag = NULL;
 
 	    if (comppatmatch && *comppatmatch &&
-		lpre[0] == '(' && lpre[1] == '#') {
+		dat->ppre && lpre[0] == '(' && lpre[1] == '#') {
 		char *p;
 
 		for (p = lpre + 2; *p && *p != ')'; p++);
 
-		if (*p == ')' && (dat->ppre || p[1] == '~')) {
+		if (*p == ')') {
 		    char sav = p[1];
 
 		    p[1] = '\0';
 		    globflag = dupstring(lpre);
 		    gfl = p - lpre + 1;
-                    if (!dat->ppre)
-                        tildepat = 1;
 		    p[1] = sav;
 
 		    lpre = p + 1;
@@ -1861,11 +1859,7 @@
 		int is = (*comppatmatch == '*');
 		char *tmp = (char *) zhalloc(2 + llpl + llsl + gfl);
 
-		if (tildepat) {
-                    tmp[0] = '~';
-                    strcpy(tmp + 1, globflag);
-                    strcat(tmp, lpre + 1);
-                } else if (gfl) {
+		if (gfl) {
 		    strcpy(tmp, globflag);
 		    strcat(tmp, lpre);
 		} else

-- 
Sven Wischnowsky                    wischnow@informatik.hu-berlin.de