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
273
274
275
276
277
278
|
/*
Copyright (C) 2015-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/
/*
WARNING: This file was generated by the dkct program (see
http://dktools.sourceforge.net/ for details).
Changes you make here will be lost if dkct is run again!
You should modify the original source and run dkct on it.
Original source: dk4apphlv.ctr
*/
/** @file dk4apphlv.c The dk4apphlv module.
*/
#line 10 "dk4apphlv.ctr"
#include "dk4conf.h"
#include "dk4types.h"
#include "dk4mpl.h"
#include "dk4app.h"
#include "dk4fs.h"
#include "dk4tspdk.h"
#include "dk4fput.h"
#include "dk4mem.h"
#include "dk4strm.h"
#include "dk4strmr.h"
#include "dk4enc.h"
#include "dk4const.h"
#include "dk4unused.h"
#if DK4_HAVE_ASSERT_H
#ifndef ASSERT_H_INCLUDED
#include <assert.h>
#define ASSERT_H_INCLUDED 1
#endif
#endif
#line 34 "dk4apphlv.ctr"
int
dk4app_can_run_normally(dk4_app_t const *app)
{
int back = 0;
if (NULL != app) {
back = 1;
if (0 != app->hvl_cmd) {
back = 0;
}
}
return back;
}
/** Show all strings in a text array, line by line.
CRT on Windows: Required.
@param array Array containing texts to show.
*/
static
void
dk4app_show_text_array(const dkChar * const *array)
{
while(*array) {
dk4fputs(*(array++), stdout, NULL);
dk4fputc(dkT('\n'), stdout, NULL);
}
}
/** Object used to show help.
*/
typedef struct {
FILE *outfile; /**< Output file. */
} dk4_help_shower_t;
/** Handler function for single characters.
CRT on Windows: Required.
@param obj Object to modify while processing the character.
@param c Character to process.
@param pos Current position in file or data stream.
@param erp Error report, may be NULL.
@return DK4_TSP_RES_OK if the character was processed
successfully,
DK4_TSP_RES_ERROR if there was an error but we can
continue,
DK4_TSP_RES_FATAL if there was a fatal error so we
should abort processing.
*/
static
int
dk4app_help_show_char_handler(
void *obj,
dkChar c,
dk4_text_stream_position_t * DK4_ARG_UNUSED(pos),
dk4_er_t * DK4_ARG_UNUSED(erp)
)
{
dk4_help_shower_t *helpshow;
DK4_UNUSED_ARG(pos)
DK4_UNUSED_ARG(erp)
if (dkT('\r') != c) {
helpshow = (dk4_help_shower_t *)obj;
dk4fputc(c, helpshow->outfile, NULL);
if (dkT('\n') == c) {
fflush(helpshow->outfile);
}
}
return (DK4_TSP_RES_OK);
}
/** Show short built-in help text.
CRT on Windows: Required.
@param app Application structure.
*/
static
void
dk4app_show_help(dk4_app_t const *app)
{
const dkChar * const *ptr;
#if DK4_USE_ASSERT
assert(NULL != app);
#endif
if (NULL != app->help_text) {
ptr = app->help_text;
if (0 != (DK4_APP_CMD_ERROR & (app->hvl_cmd))) {
dk4fput_initialize_stderr();
} else {
dk4fput_initialize_stdout();
}
while (NULL != *ptr) {
dk4fputs(
*(ptr++),
((DK4_APP_CMD_ERROR & (app->hvl_cmd)) ? stderr : stdout),
NULL
);
dk4fputc(
dkT('\n'),
((DK4_APP_CMD_ERROR & (app->hvl_cmd)) ? stderr : stdout),
NULL
);
}
}
}
/** Show help text (full manual if available, short help text otherwise).
CRT on Windows: Required.
@param app Application structure.
*/
static
void
dk4app_show_manual(dk4_app_t *app)
{
unsigned char inb[4096];
dkChar fnb[DK4_MAX_PATH];
dk4_tspdk_t tspdk;
dk4_stream_t *istrm;
dk4_help_shower_t helpshow;
size_t sz;
int res;
int done = 0;
#if DK4_USE_ASSERT
assert(NULL != app);
#endif
if (NULL != app->help_file_name) {
res = dk4app_search_data_file(
fnb, DK4_SIZEOF(fnb,dkChar), app, app->help_file_name,
DK4_FS_DATA_MAX_SYS, 1, NULL
);
if (0 != res) {
istrm = dk4stream_open_file_reader(fnb, NULL);
if (NULL != istrm) {
if (0 != (DK4_APP_CMD_ERROR & (app->hvl_cmd))) {
dk4fput_initialize_stderr();
helpshow.outfile = stderr;
} else {
dk4fput_initialize_stdout();
helpshow.outfile = stdout;
}
res = dk4tspdk_setup_char(
&tspdk, (void *)(&helpshow), dk4app_help_show_char_handler,
app->encoding, DK4_FILE_ENCODING_UTF8, NULL
);
if (0 != res) {
do {
sz = sizeof(inb);
if (0 < dk4stream_read(inb, &sz, istrm, NULL)) {
if (0 < sz) {
(void)dk4tspdk_add_bytes(&tspdk, inb, sz);
done = 1;
}
} else {
sz = 0;
}
} while (0 < sz);
(void)dk4tspdk_finish(&tspdk);
}
dk4stream_close(istrm, NULL);
}
}
}
if (0 == done) {
dk4app_show_help(app);
}
}
int
dk4app_help_version_license(dk4_app_t *app)
{
int back = 0;
#if DK4_USE_ASSERT
assert(NULL != app);
#endif
if (NULL != app) {
back = 1;
if (0 != app->hvl_cmd) {
if (DK4_APP_CMD_ERROR & (app->hvl_cmd)) {
dk4app_show_manual(app);
back = 0;
} else {
switch (app->hvl_cmd) {
case DK4_APP_CMD_MANUAL: {
dk4app_show_manual(app);
} break;
case DK4_APP_CMD_HELP: {
dk4app_show_help(app);
} break;
case DK4_APP_CMD_VERSION: {
if (NULL != app->vers_text) {
dk4fput_initialize_stdout();
dk4fputs(app->vers_text, stdout, NULL);
dk4fputc(dkT('\n'), stdout, NULL);
}
} break;
case DK4_APP_CMD_LICENSE: {
if (NULL != app->lic_text) {
dk4fput_initialize_stdout();
dk4app_show_text_array(app->lic_text);
}
} break;
default: {
/* ERROR: --help, --version, --license mutually exclusive! */
dk4app_log_base1(app, DK4_LL_ERROR, 81);
app->hvl_cmd |= DK4_APP_CMD_ERROR;
dk4app_show_manual(app);
back = 0;
} break;
}
}
} else {
/* BUG: None of the options found in command line */
back = 0;
}
}
return back;
}
|