diff options
Diffstat (limited to 'Src/Zle/zle_thingy.c')
| -rw-r--r-- | Src/Zle/zle_thingy.c | 251 |
1 files changed, 216 insertions, 35 deletions
diff --git a/Src/Zle/zle_thingy.c b/Src/Zle/zle_thingy.c index c4f2e25e1..7e81e2f88 100644 --- a/Src/Zle/zle_thingy.c +++ b/Src/Zle/zle_thingy.c @@ -49,7 +49,7 @@ /* Hashtable of thingies. Enabled nodes are those that refer to widgets. */ /**/ -HashTable thingytab; +mod_export HashTable thingytab; /**********************************/ /* hashtable management functions */ @@ -64,6 +64,7 @@ createthingytab(void) thingytab->hash = hasher; thingytab->emptytable = emptythingytab; thingytab->filltable = NULL; + thingytab->cmpnodes = strcmp; thingytab->addnode = addhashnode; thingytab->getnode = gethashnode; thingytab->getnode2 = gethashnode2; @@ -133,7 +134,7 @@ freethingynode(HashNode hn) * correctly. */ /**/ -Thingy +mod_export Thingy refthingy(Thingy th) { if(th) @@ -244,7 +245,10 @@ unbindwidget(Thingy t, int override) static void freewidget(Widget w) { - if(!(w->flags & WIDGET_INT)) + if (w->flags & WIDGET_NCOMP) { + zsfree(w->u.comp.wid); + zsfree(w->u.comp.func); + } else if(!(w->flags & WIDGET_INT)) zsfree(w->u.fnnam); zfree(w, sizeof(*w)); } @@ -257,7 +261,7 @@ freewidget(Widget w) * returned. */ /**/ -Widget +mod_export Widget addzlefunction(char *name, ZleIntFunc ifunc, int flags) { VARARR(char, dotn, strlen(name) + 2); @@ -282,13 +286,11 @@ addzlefunction(char *name, ZleIntFunc ifunc, int flags) return w; } -#ifdef DYNAMIC - /* Delete an internal widget provided by a module. Don't try to delete * * a widget from the fixed table -- it would be bad. (Thanks, Egon.) */ /**/ -void +mod_export void deletezlefunction(Widget w) { Thingy p, n; @@ -305,8 +307,6 @@ deletezlefunction(Widget w) } } -#endif /* DYNAMIC */ - /***************/ /* zle builtin */ /***************/ @@ -314,9 +314,10 @@ deletezlefunction(Widget w) /* * The available operations are: * - * -l list user-defined widgets (no arguments) + * -l list widgets/test for existence * -D delete widget names * -A link the two named widgets (2 arguments) + * -C create completion widget (3 arguments) * -N create new user-defined widget (1 or 2 arguments) * invoke a widget (1 argument) */ @@ -330,36 +331,36 @@ bin_zle(char *name, char **args, char *ops, int func) int (*func) _((char *, char **, char *, char)); int min, max; } const opns[] = { - { 'l', bin_zle_list, 0, 0 }, + { 'l', bin_zle_list, 0, -1 }, { 'D', bin_zle_del, 1, -1 }, { 'A', bin_zle_link, 2, 2 }, { 'N', bin_zle_new, 1, 2 }, + { 'C', bin_zle_complete, 3, 3 }, + { 'R', bin_zle_refresh, 0, -1 }, + { 'M', bin_zle_mesg, 1, 1 }, + { 'U', bin_zle_unget, 1, 1 }, { 0, bin_zle_call, 0, -1 }, }; struct opn const *op, *opp; int n; /* select operation and ensure no clashing arguments */ - for(op = opns; op->o && !ops[op->o]; op++) ; + for(op = opns; op->o && !ops[STOUC(op->o)]; op++) ; if(op->o) for(opp = op; (++opp)->o; ) - if(ops[opp->o]) { - zerrnam(name, "incompatible operation selection options", + if(ops[STOUC(opp->o)]) { + zwarnnam(name, "incompatible operation selection options", NULL, 0); return 1; } /* check number of arguments */ for(n = 0; args[n]; n++) ; - if(!op->o && n != 1) { - zerrnam(name, "wrong number of arguments", NULL, 0); - return 1; - } if(n < op->min) { - zerrnam(name, "not enough arguments for -%c", NULL, op->o); + zwarnnam(name, "not enough arguments for -%c", NULL, op->o); return 1; } else if(op->max != -1 && n > op->max) { - zerrnam(name, "too many arguments for -%c", NULL, op->o); + zwarnnam(name, "too many arguments for -%c", NULL, op->o); return 1; } @@ -371,7 +372,96 @@ bin_zle(char *name, char **args, char *ops, int func) static int bin_zle_list(char *name, char **args, char *ops, char func) { - scanhashtable(thingytab, 1, 0, DISABLED, scanlistwidgets, ops['L']); + if (!*args) { + scanhashtable(thingytab, 1, 0, DISABLED, scanlistwidgets, + (ops['a'] ? -1 : ops['L'])); + return 0; + } else { + int ret = 0; + Thingy t; + + for (; *args && !ret; args++) { + if (!(t = (Thingy) thingytab->getnode2(thingytab, *args)) || + (!ops['a'] && (t->widget->flags & WIDGET_INT))) + ret = 1; + } + return ret; + } +} + +/**/ +static int +bin_zle_refresh(char *name, char **args, char *ops, char func) +{ + char *s = statusline; + int sl = statusll, ocl = clearlist; + + if (!zleactive) { + zwarnnam(name, "can only be called from widget function", NULL, 0); + return 1; + } + statusline = NULL; + statusll = 0; + if (*args) { + if (**args) { + statusline = *args; + statusll = strlen(statusline); + } + if (*++args) { + LinkList l = newlinklist(); + int zmultsav = zmult; + + for (; *args; args++) + addlinknode(l, *args); + + zmult = 1; + listlist(l); + if (statusline) + lastlistlen++; + showinglist = clearlist = 0; + zmult = zmultsav; + } else if (ops['c']) { + clearlist = 1; + lastlistlen = 0; + } + } else if (ops['c']) { + clearlist = listshown = 1; + lastlistlen = 0; + } + zrefresh(); + + clearlist = ocl; + statusline = s; + statusll = sl; + return 0; +} + +/**/ +static int +bin_zle_mesg(char *name, char **args, char *ops, char func) +{ + if (!zleactive) { + zwarnnam(name, "can only be called from widget function", NULL, 0); + return 1; + } + showmsg(*args); + if (sfcontext != SFC_WIDGET) + zrefresh(); + return 0; +} + +/**/ +static int +bin_zle_unget(char *name, char **args, char *ops, char func) +{ + char *b = *args, *p = b + strlen(b); + + if (!zleactive) { + zwarnnam(name, "can only be called from widget function", NULL, 0); + return 1; + } + while (p > b) + ungetkey((int) *--p); return 0; } @@ -382,20 +472,34 @@ scanlistwidgets(HashNode hn, int list) Thingy t = (Thingy) hn; Widget w = t->widget; + if(list < 0) { + printf("%s\n", hn->nam); + return; + } if(w->flags & WIDGET_INT) return; if(list) { - fputs("zle -N ", stdout); + printf("zle -%c ", (w->flags & WIDGET_NCOMP) ? 'C' : 'N'); if(t->nam[0] == '-') fputs("-- ", stdout); quotedzputs(t->nam, stdout); - if(strcmp(t->nam, w->u.fnnam)) { + if (w->flags & WIDGET_NCOMP) { + fputc(' ', stdout); + quotedzputs(w->u.comp.wid, stdout); + fputc(' ', stdout); + quotedzputs(w->u.comp.func, stdout); + } else if(strcmp(t->nam, w->u.fnnam)) { fputc(' ', stdout); quotedzputs(w->u.fnnam, stdout); } } else { nicezputs(t->nam, stdout); - if(strcmp(t->nam, w->u.fnnam)) { + if (w->flags & WIDGET_NCOMP) { + fputs(" -C ", stdout); + nicezputs(w->u.comp.wid, stdout); + fputc(' ', stdout); + nicezputs(w->u.comp.func, stdout); + } else if(strcmp(t->nam, w->u.fnnam)) { fputs(" (", stdout); nicezputs(w->u.fnnam, stdout); fputc(')', stdout); @@ -430,10 +534,10 @@ bin_zle_link(char *name, char **args, char *ops, char func) Thingy t = (Thingy) thingytab->getnode(thingytab, args[0]); if(!t) { - zerrnam(name, "no such widget `%s'", args[0], 0); + zwarnnam(name, "no such widget `%s'", args[0], 0); return 1; } else if(bindwidget(t->widget, rthingy(args[1]))) { - zerrnam(name, "widget name `%s' is protected", args[1], 0); + zwarnnam(name, "widget name `%s' is protected", args[1], 0); return 1; } return 0; @@ -452,29 +556,106 @@ bin_zle_new(char *name, char **args, char *ops, char func) if(!bindwidget(w, rthingy(args[0]))) return 0; freewidget(w); - zerrnam(name, "widget name `%s' is protected", args[0], 0); + zwarnnam(name, "widget name `%s' is protected", args[0], 0); return 1; } /**/ static int -bin_zle_call(char *name, char **args, char *ops, char func) +bin_zle_complete(char *name, char **args, char *ops, char func) { Thingy t; + Widget w, cw; - if(!zleactive || incompctlfunc) { - zerrnam(name, "widgets can only be called when ZLE is active", - NULL, 0); + if (!require_module(name, "zsh/complete", 0, 0)) { + zwarnnam(name, "can't load complete module", NULL, 0); return 1; } - t = rthingy(args[0]); - PERMALLOC { - execzlefunc(t); - } LASTALLOC; + t = rthingy((args[1][0] == '.') ? args[1] : dyncat(".", args[1])); + cw = t->widget; unrefthingy(t); + if (!cw || !(cw->flags & ZLE_ISCOMP)) { + zwarnnam(name, "invalid widget `%s'", args[1], 0); + return 1; + } + w = zalloc(sizeof(*w)); + w->flags = WIDGET_NCOMP|ZLE_MENUCMP|ZLE_KEEPSUFFIX; + w->first = NULL; + w->u.comp.fn = cw->u.fn; + w->u.comp.wid = ztrdup(args[1]); + w->u.comp.func = ztrdup(args[2]); + if (bindwidget(w, rthingy(args[0]))) { + freewidget(w); + zwarnnam(name, "widget name `%s' is protected", args[0], 0); + return 1; + } return 0; } +/**/ +static int +bin_zle_call(char *name, char **args, char *ops, char func) +{ + Thingy t; + struct modifier modsave; + int ret, saveflag = 0; + char *wname = *args++; + + if (!wname) { + if (saveflag) + zmod = modsave; + return (!zleactive || incompctlfunc || incompfunc || + sfcontext != SFC_WIDGET); + } + if(!zleactive || incompctlfunc || incompfunc || sfcontext != SFC_WIDGET) { + zwarnnam(name, "widgets can only be called when ZLE is active", + NULL, 0); + return 1; + } + + while (*args && **args == '-') { + char *num; + if (!args[0][1] || args[0][1] == '-') { + args++; + break; + } + while (*++(*args)) { + switch (**args) { + case 'n': + num = args[0][1] ? args[0]+1 : args[1]; + if (!num) { + zwarnnam(name, "number expected after -%c", NULL, **args); + return 1; + } + if (!args[0][1]) + *++args = "" - 1; + modsave = zmod; + saveflag = 1; + zmod.mult = atoi(num); + zmod.flags |= MOD_MULT; + break; + case 'N': + modsave = zmod; + saveflag = 1; + zmod.mult = 1; + zmod.flags &= ~MOD_MULT; + break; + default: + zwarnnam(name, "unknown option: %s", *args, 0); + return 1; + } + } + args++; + } + + t = rthingy(wname); + ret = execzlefunc(t, args); + unrefthingy(t); + if (saveflag) + zmod = modsave; + return ret; +} + /*******************/ /* initialiasation */ /*******************/ |