/[LeafOK_CVS]/lbbs/src/menu.c
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Revision 1.25 - (show annotations)
Sun May 4 14:54:55 2025 UTC (10 months, 1 week ago) by sysadm
Branch: MAIN
Changes since 1.24: +5 -4 lines
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1 /***************************************************************************
2 menu.c - description
3 -------------------
4 begin : Wed Mar 16 2004
5 copyright : (C) 2005 by Leaflet
6 email : leaflet@leafok.com
7 ***************************************************************************/
8
9 /***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18 #include "bbs.h"
19 #include "bbs_cmd.h"
20 #include "user_priv.h"
21 #include "reg_ex.h"
22 #include "bbs_cmd.h"
23 #include "menu.h"
24 #include "log.h"
25 #include "io.h"
26 #include "screen.h"
27 #include "common.h"
28 #include <string.h>
29 #include <stdio.h>
30 #include <ctype.h>
31 #include <regex.h>
32 #include <stdlib.h>
33
34 #define MENU_TEMP_DIR "var"
35
36 MENU_SET bbs_menu;
37
38 int load_menu(MENU_SET *p_menu_set, const char *conf_file)
39 {
40 FILE *fin, *fout;
41 int i = 0, j;
42 char buffer[LINE_BUFFER_LEN];
43 char screen_filename[FILE_PATH_LEN];
44 char temp[LINE_BUFFER_LEN];
45 regmatch_t pmatch[10];
46
47 if ((fin = fopen(conf_file, "r")) == NULL)
48 {
49 log_error("Open %s failed", conf_file);
50 return -1;
51 }
52
53 strcpy(p_menu_set->conf_file, conf_file);
54
55 while (fgets(buffer, sizeof(buffer), fin))
56 {
57 switch (buffer[0])
58 {
59 case '#':
60 break;
61 case '%':
62 if (ireg("^%S_([A-Za-z0-9_]+)", buffer, 2, pmatch) == 0)
63 {
64 strncpy(temp, buffer + pmatch[1].rm_so,
65 pmatch[1].rm_eo - pmatch[1].rm_so);
66 temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
67 sprintf(screen_filename, "%s/MENU_SCR_%s", MENU_TEMP_DIR, temp);
68
69 if ((fout = fopen(screen_filename, "w")) == NULL)
70 {
71 log_error("Open %s failed", screen_filename);
72 return -2;
73 }
74
75 while (fgets(buffer, sizeof(buffer), fin))
76 {
77 if (buffer[0] != '%')
78 fputs(buffer, fout);
79 else
80 break;
81 }
82
83 fclose(fout);
84 break;
85 }
86
87 if (ireg("^%menu ([A-Za-z0-9_]+)", buffer, 2, pmatch) == 0)
88 {
89 p_menu_set->p_menu[i] = malloc(sizeof(MENU));
90 p_menu_set->p_menu[i]->title.show = 0;
91 p_menu_set->p_menu[i]->screen.show = 0;
92
93 strncpy(p_menu_set->p_menu[i]->name,
94 buffer + pmatch[1].rm_so,
95 pmatch[1].rm_eo - pmatch[1].rm_so);
96 p_menu_set->p_menu[i]->name[pmatch[1].rm_eo - pmatch[1].rm_so] =
97 '\0';
98
99 j = 0;
100
101 while (fgets(buffer, sizeof(buffer), fin))
102 {
103 if (buffer[0] == '#')
104 {
105 continue;
106 }
107 if (buffer[0] == '%')
108 {
109 p_menu_set->p_menu[i]->item_count = j;
110 p_menu_set->p_menu[i]->item_cur_pos = 0;
111 i++;
112 break;
113 }
114 if (ireg("^!([A-Za-z0-9_.]+)[[:space:]]*([0-9]+),"
115 "[[:space:]]*([0-9]+),[[:space:]]*([0-9]+),"
116 "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\","
117 "[[:space:]]*\"([^\"]+)\"",
118 buffer, 8, pmatch) == 0)
119 {
120 p_menu_set->p_menu[i]->items[j] =
121 malloc(sizeof(MENU_ITEM));
122 p_menu_set->p_menu[i]->items[j]->submenu = 1;
123 strncpy(p_menu_set->p_menu[i]->items[j]->action,
124 buffer + pmatch[1].rm_so,
125 pmatch[1].rm_eo - pmatch[1].rm_so);
126 p_menu_set->p_menu[i]->items[j]->action[pmatch[1].rm_eo -
127 pmatch[1].rm_so] = '\0';
128 strncpy(temp, buffer + pmatch[2].rm_so,
129 pmatch[2].rm_eo - pmatch[2].rm_so);
130 temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
131 p_menu_set->p_menu[i]->items[j]->row = atoi(temp);
132 strncpy(temp,
133 buffer + pmatch[3].rm_so,
134 pmatch[3].rm_eo - pmatch[3].rm_so);
135 temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
136 p_menu_set->p_menu[i]->items[j]->col = atoi(temp);
137 strncpy(temp,
138 buffer + pmatch[4].rm_so,
139 pmatch[4].rm_eo - pmatch[4].rm_so);
140 temp[pmatch[4].rm_eo - pmatch[4].rm_so] = '\0';
141 p_menu_set->p_menu[i]->items[j]->priv = atoi(temp);
142 strncpy(temp,
143 buffer + pmatch[5].rm_so,
144 pmatch[5].rm_eo - pmatch[5].rm_so);
145 temp[pmatch[5].rm_eo - pmatch[5].rm_so] = '\0';
146 p_menu_set->p_menu[i]->items[j]->level = atoi(temp);
147 strncpy(p_menu_set->p_menu[i]->items[j]->name,
148 buffer + pmatch[6].rm_so,
149 pmatch[6].rm_eo - pmatch[6].rm_so);
150 p_menu_set->p_menu[i]->items[j]->name[pmatch[6].rm_eo -
151 pmatch[6].rm_so] =
152 '\0';
153 strncpy(p_menu_set->p_menu[i]->items[j]->text,
154 buffer + pmatch[7].rm_so,
155 pmatch[7].rm_eo - pmatch[7].rm_so);
156 p_menu_set->p_menu[i]->items[j]->text[pmatch[7].rm_eo -
157 pmatch[7].rm_so] =
158 '\0';
159 j++;
160 continue;
161 }
162 if (ireg("^@([A-Za-z0-9_]+)[[:space:]]*([0-9]+),"
163 "[[:space:]]*([0-9]+),[[:space:]]*([0-9]+),"
164 "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\","
165 "[[:space:]]*\"([^\"]+)\"",
166 buffer, 8, pmatch) == 0)
167 {
168 p_menu_set->p_menu[i]->items[j] =
169 malloc(sizeof(MENU_ITEM));
170 p_menu_set->p_menu[i]->items[j]->submenu = 0;
171 strncpy(p_menu_set->p_menu[i]->items[j]->action,
172 buffer + pmatch[1].rm_so,
173 pmatch[1].rm_eo - pmatch[1].rm_so);
174 p_menu_set->p_menu[i]->items[j]->action[pmatch[1].rm_eo -
175 pmatch[1].rm_so] = '\0';
176 strncpy(temp, buffer + pmatch[2].rm_so,
177 pmatch[2].rm_eo - pmatch[2].rm_so);
178 temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
179 p_menu_set->p_menu[i]->items[j]->row = atoi(temp);
180 strncpy(temp,
181 buffer + pmatch[3].rm_so,
182 pmatch[3].rm_eo - pmatch[3].rm_so);
183 temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
184 p_menu_set->p_menu[i]->items[j]->col = atoi(temp);
185 strncpy(temp,
186 buffer + pmatch[4].rm_so,
187 pmatch[4].rm_eo - pmatch[4].rm_so);
188 temp[pmatch[4].rm_eo - pmatch[4].rm_so] = '\0';
189 p_menu_set->p_menu[i]->items[j]->priv = atoi(temp);
190 strncpy(temp,
191 buffer + pmatch[5].rm_so,
192 pmatch[5].rm_eo - pmatch[5].rm_so);
193 temp[pmatch[5].rm_eo - pmatch[5].rm_so] = '\0';
194 p_menu_set->p_menu[i]->items[j]->level = atoi(temp);
195 strncpy(p_menu_set->p_menu[i]->items[j]->name,
196 buffer + pmatch[6].rm_so,
197 pmatch[6].rm_eo - pmatch[6].rm_so);
198 p_menu_set->p_menu[i]->items[j]->name[pmatch[6].rm_eo -
199 pmatch[6].rm_so] =
200 '\0';
201 strncpy(p_menu_set->p_menu[i]->items[j]->text,
202 buffer + pmatch[7].rm_so,
203 pmatch[7].rm_eo - pmatch[7].rm_so);
204 p_menu_set->p_menu[i]->items[j]->text[pmatch[7].rm_eo -
205 pmatch[7].rm_so] =
206 '\0';
207 j++;
208 continue;
209 }
210 if (ireg("^title[[:space:]]*([0-9]+),"
211 "[[:space:]]*([0-9]+),[[:space:]]*\"([^\"]+)\"",
212 buffer, 4, pmatch) == 0)
213 {
214 p_menu_set->p_menu[i]->title.show = 1;
215 strncpy(temp,
216 buffer + pmatch[1].rm_so,
217 pmatch[1].rm_eo - pmatch[1].rm_so);
218 temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
219 p_menu_set->p_menu[i]->title.row = atoi(temp);
220 strncpy(temp,
221 buffer + pmatch[2].rm_so,
222 pmatch[2].rm_eo - pmatch[2].rm_so);
223 temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
224 p_menu_set->p_menu[i]->title.col = atoi(temp);
225 strncpy(p_menu_set->p_menu[i]->title.text,
226 buffer + pmatch[3].rm_so,
227 pmatch[3].rm_eo - pmatch[3].rm_so);
228 p_menu_set->p_menu[i]->title.text[pmatch[3].rm_eo -
229 pmatch[3].rm_so] =
230 '\0';
231 continue;
232 }
233 if (ireg("^screen[[:space:]]*([0-9]+),"
234 "[[:space:]]*([0-9]+),[[:space:]]*S_([A-Za-z0-9_]+)",
235 buffer, 4, pmatch) == 0)
236 {
237 p_menu_set->p_menu[i]->screen.show = 1;
238 strncpy(temp,
239 buffer + pmatch[1].rm_so,
240 pmatch[1].rm_eo - pmatch[1].rm_so);
241 temp[pmatch[1].rm_eo - pmatch[1].rm_so] = '\0';
242 p_menu_set->p_menu[i]->screen.row = atoi(temp);
243 strncpy(temp,
244 buffer + pmatch[2].rm_so,
245 pmatch[2].rm_eo - pmatch[2].rm_so);
246 temp[pmatch[2].rm_eo - pmatch[2].rm_so] = '\0';
247 p_menu_set->p_menu[i]->screen.col = atoi(temp);
248 strncpy(temp,
249 buffer + pmatch[3].rm_so,
250 pmatch[3].rm_eo - pmatch[3].rm_so);
251 temp[pmatch[3].rm_eo - pmatch[3].rm_so] = '\0';
252 sprintf(p_menu_set->p_menu[i]->screen.filename,
253 "%s/MENU_SCR_%s", MENU_TEMP_DIR, temp);
254 continue;
255 }
256 }
257 }
258 break;
259 }
260 }
261 fclose(fin);
262
263 p_menu_set->menu_count = i;
264 p_menu_set->menu_select_depth = 0;
265 p_menu_set->p_menu_select[p_menu_set->menu_select_depth] = (i == 0 ? NULL : p_menu_set->p_menu[0]);
266
267 return 0;
268 }
269
270 MENU *
271 get_menu(MENU_SET *p_menu_set, const char *menu_name)
272 {
273 int i;
274
275 for (i = 0; i < p_menu_set->menu_count; i++)
276 {
277 if (strcmp(p_menu_set->p_menu[i]->name, menu_name) == 0)
278 {
279 return p_menu_set->p_menu[i];
280 }
281 }
282
283 return NULL;
284 }
285
286 static void display_menu_cursor(MENU *p_menu, int show)
287 {
288 moveto((p_menu->items[p_menu->item_cur_pos])->r_row,
289 (p_menu->items[p_menu->item_cur_pos])->r_col - 2);
290 prints(show ? ">" : " ");
291 iflush();
292 }
293
294 int display_menu(MENU *p_menu)
295 {
296 int i, row, col, menu_selectable = 0;
297
298 if (p_menu == NULL)
299 return -1;
300
301 if (p_menu->title.show)
302 show_top(p_menu->title.text);
303
304 if (p_menu->screen.show)
305 {
306 moveto(p_menu->screen.row, p_menu->screen.col);
307 if (display_file(p_menu->screen.filename) != 0)
308 log_error("Display menu screen <%s> failed!\n",
309 p_menu->screen.filename);
310 }
311
312 row = p_menu->items[0]->row;
313 col = p_menu->items[0]->col;
314
315 for (i = 0; i < p_menu->item_count; i++)
316 {
317 if (checkpriv(&BBS_priv, 0, p_menu->items[i]->priv) == 0 || checklevel(&BBS_priv, p_menu->items[i]->level) == 0)
318 {
319 p_menu->items[i]->display = 0;
320 }
321 else
322 {
323 p_menu->items[i]->display = 1;
324
325 menu_selectable = 1;
326
327 if (p_menu->items[i]->row != 0)
328 row = p_menu->items[i]->row;
329 else
330 row++;
331 p_menu->items[i]->r_row = row;
332 if (p_menu->items[i]->col != 0)
333 col = p_menu->items[i]->col;
334 p_menu->items[i]->r_col = col;
335 moveto(row, col);
336 prints(p_menu->items[i]->text);
337 iflush();
338 }
339 }
340
341 if (!menu_selectable)
342 return -1;
343
344 display_menu_cursor(p_menu, 1);
345
346 return 0;
347 }
348
349 int display_current_menu(MENU_SET *p_menu_set)
350 {
351 MENU *p_menu;
352
353 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
354
355 return display_menu(p_menu);
356 }
357
358 int menu_control(MENU_SET *p_menu_set, int key)
359 {
360 int i;
361 MENU *p_menu;
362
363 if (p_menu_set->menu_count == 0)
364 return 0;
365
366 p_menu = p_menu_set->p_menu_select[p_menu_set->menu_select_depth];
367
368 switch (key)
369 {
370 case CR:
371 igetch(1); // Cleanup remaining '\n' in the buffer
372 case KEY_RIGHT:
373 if (p_menu->items[p_menu->item_cur_pos]->submenu)
374 {
375 if (strcmp(p_menu->items[p_menu->item_cur_pos]->action, "..") == 0)
376 return menu_control(p_menu_set, KEY_LEFT);
377 p_menu_set->menu_select_depth++;
378 p_menu =
379 p_menu_set->p_menu_select[p_menu_set->menu_select_depth] =
380 get_menu(p_menu_set,
381 p_menu->items[p_menu->item_cur_pos]->action);
382 if (display_menu(p_menu) != 0)
383 return menu_control(p_menu_set, KEY_LEFT);
384 break;
385 }
386 else
387 {
388 return (exec_cmd(p_menu->items[p_menu->item_cur_pos]->action,
389 p_menu->items[p_menu->item_cur_pos]->name));
390 }
391 case KEY_LEFT:
392 if (p_menu_set->menu_select_depth > 0)
393 {
394 p_menu_set->menu_select_depth--;
395 if (display_current_menu(p_menu_set) != 0)
396 return menu_control(p_menu_set, KEY_LEFT);
397 break;
398 }
399 else
400 {
401 display_menu_cursor(p_menu, 0);
402 p_menu->item_cur_pos = p_menu->item_count - 1;
403 while (!p_menu->items[p_menu->item_cur_pos]->display || p_menu->items[p_menu->item_cur_pos]->priv != 0 || p_menu->items[p_menu->item_cur_pos]->level != 0)
404 p_menu->item_cur_pos--;
405 display_menu_cursor(p_menu, 1);
406 break;
407 }
408 case KEY_UP:
409 display_menu_cursor(p_menu, 0);
410 do
411 {
412 p_menu->item_cur_pos--;
413 if (p_menu->item_cur_pos < 0)
414 p_menu->item_cur_pos = p_menu->item_count - 1;
415 } while (!p_menu->items[p_menu->item_cur_pos]->display);
416 display_menu_cursor(p_menu, 1);
417 break;
418 case KEY_DOWN:
419 display_menu_cursor(p_menu, 0);
420 do
421 {
422 p_menu->item_cur_pos++;
423 if (p_menu->item_cur_pos >= p_menu->item_count)
424 p_menu->item_cur_pos = 0;
425 } while (!p_menu->items[p_menu->item_cur_pos]->display);
426 display_menu_cursor(p_menu, 1);
427 break;
428 default:
429 for (i = 0; i < p_menu->item_count; i++)
430 {
431 if (key == p_menu->items[i]->name[0] &&
432 p_menu->items[i]->display)
433 {
434 display_menu_cursor(p_menu, 0);
435 p_menu->item_cur_pos = i;
436 display_menu_cursor(p_menu, 1);
437 return 0;
438 }
439 }
440 if (isalpha(key))
441 {
442 for (i = 0; i < p_menu->item_count; i++)
443 {
444 if (toupper(key) == toupper(p_menu->items[i]->name[0]) &&
445 p_menu->items[i]->display)
446 {
447 display_menu_cursor(p_menu, 0);
448 p_menu->item_cur_pos = i;
449 display_menu_cursor(p_menu, 1);
450 return 0;
451 }
452 }
453 }
454 }
455
456 return 0;
457 }
458
459 void unload_menu(MENU_SET *p_menu_set)
460 {
461 MENU *p_menu;
462 int i, j;
463
464 for (i = 0; i < p_menu_set->menu_count; i++)
465 {
466 p_menu = p_menu_set->p_menu[i];
467 for (j = 0; j < p_menu->item_count; j++)
468 {
469 free(p_menu->items[j]);
470 }
471 remove(p_menu->screen.filename);
472 free(p_menu);
473 }
474
475 p_menu_set->menu_count = 0;
476 p_menu_set->menu_select_depth = 0;
477 }
478
479 int reload_menu(MENU_SET *p_menu_set)
480 {
481 int result;
482 char conf_file[FILE_PATH_LEN];
483
484 strncpy(conf_file, p_menu_set->conf_file, sizeof(conf_file));
485 unload_menu(p_menu_set);
486 result = load_menu(p_menu_set, conf_file);
487
488 return result;
489 }

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