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
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
|
/**
* \file stack.c
*
* This is a special option processing routine that will save the
* argument to an option in a FIFO queue.
*
* @addtogroup autoopts
* @{
*/
/*
* This file is part of AutoOpts, a companion to AutoGen.
* AutoOpts is free software.
* AutoOpts is Copyright (C) 1992-2013 by Bruce Korb - all rights reserved
*
* AutoOpts is available under any one of two licenses. The license
* in use must be one of these two and the choice is under the control
* of the user of the license.
*
* The GNU Lesser General Public License, version 3 or later
* See the files "COPYING.lgplv3" and "COPYING.gplv3"
*
* The Modified Berkeley Software Distribution License
* See the file "COPYING.mbsd"
*
* These files have the following sha256 sums:
*
* 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3
* 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3
* 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd
*/
#ifdef WITH_LIBREGEX
# include REGEX_HEADER
#endif
/*=export_func optionUnstackArg
* private:
*
* what: Remove option args from a stack
* arg: + tOptions* + pOpts + program options descriptor +
* arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
*
* doc:
* Invoked for options that are equivalenced to stacked options.
=*/
void
optionUnstackArg(tOptions * pOpts, tOptDesc * pOptDesc)
{
tArgList * pAL;
(void)pOpts;
if (pOpts <= OPTPROC_EMIT_LIMIT)
return;
if ((pOptDesc->fOptState & OPTST_RESET) != 0)
return;
pAL = (tArgList*)pOptDesc->optCookie;
/*
* IF we don't have any stacked options,
* THEN indicate that we don't have any of these options
*/
if (pAL == NULL) {
pOptDesc->fOptState &= OPTST_PERSISTENT_MASK;
if ((pOptDesc->fOptState & OPTST_INITENABLED) == 0)
pOptDesc->fOptState |= OPTST_DISABLED;
return;
}
#ifdef WITH_LIBREGEX
{
regex_t re;
int i, ct, dIdx;
if (regcomp(&re, pOptDesc->optArg.argString, REG_NOSUB) != 0)
return;
/*
* search the list for the entry(s) to remove. Entries that
* are removed are *not* copied into the result. The source
* index is incremented every time. The destination only when
* we are keeping a define.
*/
for (i = 0, dIdx = 0, ct = pAL->useCt; --ct >= 0; i++) {
char const * pzSrc = pAL->apzArgs[ i ];
char * pzEq = strchr(pzSrc, '=');
int res;
if (pzEq != NULL)
*pzEq = NUL;
res = regexec(&re, pzSrc, (size_t)0, NULL, 0);
switch (res) {
case 0:
/*
* Remove this entry by reducing the in-use count
* and *not* putting the string pointer back into
* the list.
*/
AGFREE(pzSrc);
pAL->useCt--;
break;
default:
case REG_NOMATCH:
if (pzEq != NULL)
*pzEq = '=';
/*
* IF we have dropped an entry
* THEN we have to move the current one.
*/
if (dIdx != i)
pAL->apzArgs[ dIdx ] = pzSrc;
dIdx++;
}
}
regfree(&re);
}
#else /* not WITH_LIBREGEX */
{
int i, ct, dIdx;
/*
* search the list for the entry(s) to remove. Entries that
* are removed are *not* copied into the result. The source
* index is incremented every time. The destination only when
* we are keeping a define.
*/
for (i = 0, dIdx = 0, ct = pAL->useCt; --ct >= 0; i++) {
const char ** pzSrc = pAL->apzArgs[ i ];
char * pzEq = strchr(pzSrc, '=');
if (pzEq != NULL)
*pzEq = NUL;
if (strcmp(pzSrc, pOptDesc->optArg.argString) == 0) {
/*
* Remove this entry by reducing the in-use count
* and *not* putting the string pointer back into
* the list.
*/
AGFREE(pzSrc);
pAL->useCt--;
} else {
if (pzEq != NULL)
*pzEq = '=';
/*
* IF we have dropped an entry
* THEN we have to move the current one.
*/
if (dIdx != i)
pAL->apzArgs[ dIdx ] = pzSrc;
dIdx++;
}
}
}
#endif /* WITH_LIBREGEX */
/*
* IF we have unstacked everything,
* THEN indicate that we don't have any of these options
*/
if (pAL->useCt == 0) {
pOptDesc->fOptState &= OPTST_PERSISTENT_MASK;
if ((pOptDesc->fOptState & OPTST_INITENABLED) == 0)
pOptDesc->fOptState |= OPTST_DISABLED;
AGFREE((void*)pAL);
pOptDesc->optCookie = NULL;
}
}
/*
* Put an entry into an argument list. The first argument points to
* a pointer to the argument list structure. It gets passed around
* as an opaque address.
*/
LOCAL void
addArgListEntry(void** ppAL, void* entry)
{
tArgList* pAL = *(void**)ppAL;
/*
* IF we have never allocated one of these,
* THEN allocate one now
*/
if (pAL == NULL) {
pAL = (tArgList*)AGALOC(sizeof(*pAL), "new option arg stack");
if (pAL == NULL)
return;
pAL->useCt = 0;
pAL->allocCt = MIN_ARG_ALLOC_CT;
*ppAL = (void*)pAL;
}
/*
* ELSE if we are out of room
* THEN make it bigger
*/
else if (pAL->useCt >= pAL->allocCt) {
size_t sz = sizeof(*pAL);
pAL->allocCt += INCR_ARG_ALLOC_CT;
/*
* The base structure contains space for MIN_ARG_ALLOC_CT
* pointers. We subtract it off to find our augment size.
*/
sz += sizeof(char*) * ((size_t)pAL->allocCt - MIN_ARG_ALLOC_CT);
pAL = (tArgList*)AGREALOC((void*)pAL, sz, "expanded opt arg stack");
if (pAL == NULL)
return;
*ppAL = (void*)pAL;
}
/*
* Insert the new argument into the list
*/
pAL->apzArgs[ (pAL->useCt)++ ] = entry;
}
/*=export_func optionStackArg
* private:
*
* what: put option args on a stack
* arg: + tOptions* + pOpts + program options descriptor +
* arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
*
* doc:
* Keep an entry-ordered list of option arguments.
=*/
void
optionStackArg(tOptions * pOpts, tOptDesc * pOD)
{
char * pz;
if (pOpts <= OPTPROC_EMIT_LIMIT)
return;
if ((pOD->fOptState & OPTST_RESET) != 0) {
tArgList* pAL = (void*)pOD->optCookie;
int ix;
if (pAL == NULL)
return;
ix = pAL->useCt;
while (--ix >= 0)
AGFREE(pAL->apzArgs[ix]);
AGFREE(pAL);
} else {
if (pOD->optArg.argString == NULL)
return;
AGDUPSTR(pz, pOD->optArg.argString, "stack arg");
addArgListEntry(&(pOD->optCookie), (void*)pz);
}
}
/** @}
*
* Local Variables:
* mode: C
* c-file-style: "stroustrup"
* indent-tabs-mode: nil
* End:
* end of autoopts/stack.c */
|
