diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | Src/Modules/zutil.c | 71 |
2 files changed, 75 insertions, 4 deletions
@@ -1,3 +1,9 @@ +2011-05-17 Barton E. Schaefer <schaefer@zsh.org> + + * 29312, users/16032: Doc/Zsh/mod_zutil.yo, Src/Modules/zutil.c: + add "zparseopts -M" which allows option descriptions to map + synonymous option names onto a single name. + 2011-05-17 Clint Adams <clint@zsh.org> * 29306: Completion/Debian/Command/_make-kpkg: typo fix @@ -14732,5 +14738,5 @@ ***************************************************** * This is used by the shell to define $ZSH_PATCHLEVEL -* $Revision: 1.5308 $ +* $Revision: 1.5309 $ ***************************************************** diff --git a/Src/Modules/zutil.c b/Src/Modules/zutil.c index 3c71edfa7..399c45f46 100644 --- a/Src/Modules/zutil.c +++ b/Src/Modules/zutil.c @@ -1405,6 +1405,8 @@ struct zoptdesc { #define ZOF_OPT 2 #define ZOF_MULT 4 #define ZOF_SAME 8 +#define ZOF_MAP 16 +#define ZOF_CYC 32 struct zoptarr { Zoptarr next; @@ -1459,6 +1461,34 @@ get_opt_arr(char *name) return NULL; } +static Zoptdesc +map_opt_desc(Zoptdesc start) +{ + Zoptdesc map = NULL; + + if (!start || !(start->flags & ZOF_MAP)) + return start; + + map = get_opt_desc(start->arr->name); + + if (!map) + return start; + + if (map == start) { + start->flags &= ~ZOF_MAP; /* optimize */ + return start; + } + + if (map->flags & ZOF_CYC) + return NULL; + + start->flags |= ZOF_CYC; + map = map_opt_desc(map); + start->flags &= ~ZOF_CYC; + + return map; +} + static void add_opt_val(Zoptdesc d, char *arg) { @@ -1466,6 +1496,10 @@ add_opt_val(Zoptdesc d, char *arg) char *n = dyncat("-", d->name); int new = 0; + Zoptdesc map = map_opt_desc(d); + if (map) + d = map; + if (!(d->flags & ZOF_MULT)) v = d->vals; if (!v) { @@ -1513,7 +1547,7 @@ static int bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) { char *o, *p, *n, **pp, **aval, **ap, *assoc = NULL, **cp, **np; - int del = 0, f, extract = 0, keep = 0; + int del = 0, flags = 0, extract = 0, keep = 0; Zoptdesc sopts[256], d; Zoptarr a, defarr = NULL; Zoptval v; @@ -1531,6 +1565,7 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) case '-': if (o[2]) args--; + /* else unreachable, default parsing removes "--" */ o = NULL; break; case 'D': @@ -1557,6 +1592,14 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) } keep = 1; break; + case 'M': + if (o[2]) { + args--; + o = NULL; + break; + } + flags |= ZOF_MAP; + break; case 'a': if (defarr) { zwarnnam(nam, "default array given more than once"); @@ -1578,6 +1621,10 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) opt_arrs = defarr; break; case 'A': + if (assoc) { + zwarnnam(nam, "associative array given more than once"); + return 1; + } if (o[2]) assoc = o + 2; else if (*args) @@ -1587,6 +1634,11 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) return 1; } break; + default: + /* Anything else is an option description */ + args--; + o = NULL; + break; } if (!o) { o = ""; @@ -1602,11 +1654,11 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) return 1; } while ((o = dupstring(*args++))) { + int f = 0; if (!*o) { zwarnnam(nam, "invalid option description: %s", o); return 1; } - f = 0; for (p = o; *p; p++) { if (*p == '\\' && p[1]) p++; @@ -1633,6 +1685,7 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) a = NULL; if (*p == '=') { *p++ = '\0'; + f |= flags; if (!(a = get_opt_arr(p))) { a = (Zoptarr) zhalloc(sizeof(*a)); a->name = p; @@ -1666,6 +1719,10 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) opt_descs = d; if (!o[1]) sopts[STOUC(*o)] = d; + if ((flags & ZOF_MAP) && !map_opt_desc(d)) { + zwarnnam(nam, "cyclic option mapping: %s", args[-1]); + return 1; + } } np = cp = pp = ((extract && del) ? arrdup(pparams) : pparams); for (; (o = *pp); pp++) { @@ -1732,12 +1789,20 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func)) add_opt_val(d, NULL); } } + + if (flags & ZOF_MAP) { + for (d = opt_descs; d; d = d->next) + if (d->arr && !d->vals && (d->flags & ZOF_MAP)) { + if (d->arr->num == 0 && get_opt_desc(d->arr->name)) + d->arr->num = -1; /* this is not a real array */ + } + } if (extract && del) while (*pp) *cp++ = *pp++; for (a = opt_arrs; a; a = a->next) { - if (!keep || a->num) { + if (a->num >= 0 && (!keep || a->num)) { aval = (char **) zalloc((a->num + 1) * sizeof(char *)); for (ap = aval, v = a->vals; v; ap++, v = v->next) { if (v->str) |