1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
/*
* 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"
/* Empty dummy function for special hash parameters. */
/**/
static void
shempty(void)
{
}
/* Create a simple special hash parameter. */
/**/
static Param
createspecialhash(char *name, GetNodeFunc get, ScanTabFunc scan)
{
Param pm;
HashTable ht;
if (!(pm = createparam(name, PM_SPECIAL|PM_HIDE|PM_REMOVABLE|PM_HASHED)))
return NULL;
pm->level = pm->old ? locallevel : 0;
pm->gsu.h = &stdhash_gsu;
pm->u.hash = ht = newhashtable(0, name, NULL);
ht->hash = hasher;
ht->emptytable = (TableFunc) shempty;
ht->filltable = NULL;
ht->addnode = (AddNodeFunc) shempty;
ht->getnode = ht->getnode2 = get;
ht->removenode = (RemoveNodeFunc) shempty;
ht->disablenode = NULL;
ht->enablenode = NULL;
ht->freenode = (FreeNodeFunc) shempty;
ht->printnode = printparamnode;
ht->scantab = scan;
return pm;
}
/* 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), 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;
}
/* Table for defined parameters. */
struct pardef {
char *name;
int flags;
GetNodeFunc getnfn;
ScanTabFunc scantfn;
GsuHash hash_gsu;
GsuArray array_gsu;
Param pm;
};
/*
* 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 pardef partab[] = {
{ "widgets", PM_READONLY,
getpmwidgets, scanpmwidgets, &zlestdhash_gsu,
NULL, NULL },
{ "keymaps", PM_ARRAY|PM_SPECIAL|PM_READONLY,
NULL, NULL, NULL,
&keymaps_gsu, NULL },
{ NULL, 0, NULL, NULL, NULL, NULL, NULL }
};
/**/
int
setup_(UNUSED(Module m))
{
return 0;
}
/**/
int
boot_(UNUSED(Module m))
{
struct pardef *def;
for (def = partab; def->name; def++) {
unsetparam(def->name);
if (def->getnfn) {
if (!(def->pm = createspecialhash(def->name, def->getnfn,
def->scantfn)))
return 1;
def->pm->node.flags |= def->flags;
if (def->hash_gsu)
def->pm->gsu.h = def->hash_gsu;
} else {
if (!(def->pm = createparam(def->name, def->flags | PM_HIDE)))
return 1;
def->pm->gsu.a = def->array_gsu;
}
}
return 0;
}
/**/
int
cleanup_(UNUSED(Module m))
{
Param pm;
struct pardef *def;
for (def = partab; def->name; def++) {
if ((pm = (Param) paramtab->getnode(paramtab, def->name)) &&
pm == def->pm) {
pm->node.flags &= ~PM_READONLY;
unsetparam_pm(pm, 0, 1);
}
}
return 0;
}
/**/
int
finish_(UNUSED(Module m))
{
return 0;
}
|
