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12719: quoting arrays in vared with real backslashes

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This commit is contained in:
Peter Stephenson 2000-08-29 20:27:47 +00:00
parent f4f38507e5
commit 942009eb9f
4 changed files with 23 additions and 10 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2000-08-29 Peter Stephenson <pws@pwstephenson.fsnet.co.uk>
* 12719: Doc/Zsh/mod_zle.yo, Src/utils.c, Src/Zle/zle_main.c:
handle quoting of separators in arrays when there might also be
real backslashes around.
2000-08-29 Sven Wischnowsky <wischnow@zsh.org>
* 12717: Src/Zle/zle_tricky.c: fix for unbalanced calls to

9
Doc/Zsh/mod_zle.yo
View file

@ -162,10 +162,11 @@ If the type of an existing parameter does not match the type to be
created, the parameter is unset and recreated.
If an array or array slice is being edited, separator characters as defined
in tt($IFS) will be shown quoted with a backslash. Conversely, when the
edited text is split into an array, a backslash quotes an immediately
following separator character; no other special handling of backslashes, or
any handling of quotes, is performed.
in tt($IFS) will be shown quoted with a backslash, as will backslashes
themselves. Conversely, when the edited text is split into an array, a
backslash quotes an immediately following separator character or backslash;
no other special handling of backslashes, or any handling of quotes, is
performed.
Individual elements of existing array or associative array parameters
may be edited by using subscript syntax on var(name). New elements are

9
Src/Zle/zle_main.c
View file

@ -839,13 +839,16 @@ bin_vared(char *name, char **args, char *ops, int func)
tptr = tmparr = (char **)zhalloc(sizeof(char *)*(arrlen(arr)+1));
for (aptr = arr; *aptr; aptr++) {
int sepcount = 0;
/* See if this word contains a separator character */
/*
* See if this word contains a separator character
* or backslash
*/
for (t = *aptr; *t; t++) {
if (*t == Meta) {
if (isep(t[1] ^ 32))
sepcount++;
t++;
} else if (isep(*t))
} else if (isep(*t) || *t == '\\')
sepcount++;
}
if (sepcount) {
@ -858,7 +861,7 @@ bin_vared(char *name, char **args, char *ops, int func)
if (isep(t[1] ^ 32))
*nptr++ = '\\';
*nptr++ = *t++;
} else if (isep(*t))
} else if (isep(*t) || *t == '\\')
*nptr++ = '\\';
*nptr++ = *t++;
}

9
Src/utils.c
View file

@ -1829,6 +1829,8 @@ skipwsep(char **s)
return i;
}
/* see findsep() below for handling of `quote' argument */
/**/
mod_export char **
spacesplit(char *s, int allownull, int heap, int quote)
@ -1854,7 +1856,7 @@ spacesplit(char *s, int allownull, int heap, int quote)
else if (!allownull && t != s)
*ptr++ = dup("");
while (*s) {
if (isep(*s == Meta ? s[1] ^ 32 : *s)) {
if (isep(*s == Meta ? s[1] ^ 32 : *s) || (quote && *s == '\\')) {
if (*s == Meta)
s++;
s++;
@ -1891,7 +1893,8 @@ findsep(char **s, char *sep, int quote)
* quote is a flag that '\<sep>' should not be treated as a separator.
* in this case we need to be able to strip the backslash directly
* in the string, so the calling function must have sent us something
* modifiable. currently this only works for sep == NULL.
* modifiable. currently this only works for sep == NULL. also in
* in this case only, we need to turn \\ into \.
*/
int i;
char *t, *tt;
@ -1899,7 +1902,7 @@ findsep(char **s, char *sep, int quote)
if (!sep) {
for (t = *s; *t; t++) {
if (quote && *t == '\\' &&
isep(t[1] == Meta ? (t[2] ^ 32) : t[1])) {
(isep(t[1] == Meta ? (t[2] ^ 32) : t[1]) || t[1] == '\\')) {
chuck(t);
if (*t == Meta)
t++;