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/*
* zleparameter.c - parameter interface to zle internals
*
* This file is part of zsh, the Z shell.
*
* Copyright (c) 1999 Sven Wischnowsky
* All rights reserved.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and to distribute modified versions of this software for any
* purpose, provided that the above copyright notice and the following
* two paragraphs appear in all copies of this software.
*
* In no event shall Sven Wischnowsky or the Zsh Development Group be liable
* to any party for direct, indirect, special, incidental, or consequential
* damages arising out of the use of this software and its documentation,
* even if Sven Wischnowsky and the Zsh Development Group have been advised of
* the possibility of such damage.
*
* Sven Wischnowsky and the Zsh Development Group specifically disclaim any
* warranties, including, but not limited to, the implied warranties of
* merchantability and fitness for a particular purpose. The software
* provided hereunder is on an "as is" basis, and Sven Wischnowsky and the
* Zsh Development Group have no obligation to provide maintenance,
* support, updates, enhancements, or modifications.
*
*/
#include "zleparameter.mdh"
#include "zleparameter.pro"
/* Functions for the zlewidgets special parameter. */
/**/
static char *
widgetstr(Widget w)
{
if (!w)
return dupstring("undefined");
if (w->flags & WIDGET_INT)
return dupstring("builtin");
if (w->flags & WIDGET_NCOMP) {
char *t = (char *) zhalloc(13 + strlen(w->u.comp.wid) +
strlen(w->u.comp.func));
strcpy(t, "completion:");
strcat(t, w->u.comp.wid);
strcat(t, ":");
strcat(t, w->u.comp.func);
return t;
}
return dyncat("user:", w->u.fnnam);
}
/**/
static HashNode
getpmwidgets(UNUSED(HashTable ht), const char *name)
{
Param pm = NULL;
Thingy th;
pm = (Param) hcalloc(sizeof(struct param));
pm->node.nam = dupstring(name);
pm->node.flags = PM_SCALAR | PM_READONLY;
pm->gsu.s = &nullsetscalar_gsu;
if ((th = (Thingy) thingytab->getnode(thingytab, name)) &&
!(th->flags & DISABLED))
pm->u.str = widgetstr(th->widget);
else {
pm->u.str = dupstring("");
pm->node.flags |= PM_UNSET;
}
return &pm->node;
}
/**/
static void
scanpmwidgets(UNUSED(HashTable ht), ScanFunc func, int flags)
{
struct param pm;
int i;
HashNode hn;
memset((void *)&pm, 0, sizeof(struct param));
pm.node.flags = PM_SCALAR | PM_READONLY;
pm.gsu.s = &nullsetscalar_gsu;
for (i = 0; i < thingytab->hsize; i++)
for (hn = thingytab->nodes[i]; hn; hn = hn->next) {
pm.node.nam = hn->nam;
if (func != scancountparams &&
((flags & (SCANPM_WANTVALS|SCANPM_MATCHVAL)) ||
!(flags & SCANPM_WANTKEYS)))
pm.u.str = widgetstr(((Thingy) hn)->widget);
func(&pm.node, flags);
}
}
/* Functions for the zlekeymaps special parameter. */
static char **
keymapsgetfn(UNUSED(Param pm))
{
int i;
HashNode hn;
char **ret, **p;
p = ret = (char **) zhalloc((keymapnamtab->ct + 1) * sizeof(char *));
for (i = 0; i < keymapnamtab->hsize; i++)
for (hn = keymapnamtab->nodes[i]; hn; hn = hn->next)
*p++ = dupstring(hn->nam);
*p = NULL;
return ret;
}
/*
* This is a duplicate of stdhash_gsu. On some systems
* (such as Cygwin) we can't put a pointer to an imported variable
* in a compile-time initialiser, so we use this instead.
*/
static const struct gsu_hash zlestdhash_gsu =
{ hashgetfn, hashsetfn, stdunsetfn };
static const struct gsu_array keymaps_gsu =
{ keymapsgetfn, arrsetfn, stdunsetfn };
static struct paramdef partab[] = {
SPECIALPMDEF("keymaps", PM_ARRAY|PM_READONLY, &keymaps_gsu, NULL, NULL),
SPECIALPMDEF("widgets", PM_READONLY,
&zlestdhash_gsu, getpmwidgets, scanpmwidgets)
};
static struct features module_features = {
NULL, 0,
NULL, 0,
NULL, 0,
partab, sizeof(partab)/sizeof(*partab),
0
};
/**/
int
setup_(UNUSED(Module m))
{
return 0;
}
/**/
int
features_(Module m, char ***features)
{
*features = featuresarray(m, &module_features);
return 0;
}
/**/
int
enables_(Module m, int **enables)
{
return handlefeatures(m, &module_features, enables);
}
/**/
int
boot_(UNUSED(Module m))
{
return 0;
}
/**/
int
cleanup_(Module m)
{
return setfeatureenables(m, &module_features, NULL);
}
/**/
int
finish_(UNUSED(Module m))
{
return 0;
}
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