xref: /netbsd/usr.bin/menuc/mdb.c (revision bf9ec67e)
1 /*	$NetBSD: mdb.c,v 1.23 2002/03/07 20:43:29 tv Exp $	*/
2 
3 /*
4  * Copyright 1997 Piermont Information Systems Inc.
5  * All rights reserved.
6  *
7  * Written by Philip A. Nelson for Piermont Information Systems Inc.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *      This product includes software develooped for the NetBSD Project by
20  *      Piermont Information Systems Inc.
21  * 4. The name of Piermont Information Systems Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
26  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
29  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
35  * THE POSSIBILITY OF SUCH DAMAGE.
36  *
37  */
38 
39 /* mdb.c - menu database manipulation */
40 
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #include "mdb.h"
45 #include "defs.h"
46 #include "pathnames.h"
47 
48 /* Data */
49 #undef MAX
50 #define MAX 1000
51 static int menu_no = 0;
52 static id_rec *menus[MAX];
53 
54 /* Other defines */
55 #define OPT_SUB    1
56 #define OPT_ENDWIN 2
57 #define OPT_EXIT   4
58 
59 
60 /* get_menu returns a pointer to a newly created id_rec or an old one. */
61 
62 id_rec *
63 get_menu (char *name)
64 {
65 	id_rec *temp;
66 
67 	temp = find_id (root, name);
68 
69 	if (temp == NULL) {
70 		if (menu_no < MAX) {
71 			temp = (id_rec *) malloc (sizeof(id_rec));
72 			temp->id = strdup(name);
73 			temp->info = NULL;
74 			temp->menu_no = menu_no;
75 			menus[menu_no++] = temp;
76 			insert_id (&root, temp);
77 		} else {
78 			(void) fprintf (stderr, "Too many menus.  "
79 					"Increase MAX.\n");
80 			exit(1);
81 		}
82 	}
83 
84 	return temp;
85 }
86 
87 
88 /* Verify that all menus are defined. */
89 
90 void
91 check_defined (void)
92 {
93 	int i;
94 
95 	for (i=0; i<menu_no; i++)
96 		if (!menus[i]->info)
97 			yyerror ("Menu '%s' undefined.", menus[i]->id);
98 }
99 
100 
101 /* Write out the menu file. */
102 void
103 write_menu_file (char *initcode)
104 {
105 	FILE *out_file;
106 	FILE *sys_file;
107 	int i, j;
108 	char hname[1024];
109 	char cname[1024];
110 	char sname[1024];
111 	char *sys_prefix;
112 	char *tmpstr;
113 
114 	int nlen;
115 
116 	int ch;
117 
118 	optn_info *toptn;
119 
120 	/* Generate file names */
121 	snprintf (hname, 1024, "%s.h", out_name);
122 	nlen = strlen(hname);
123 	if (hname[nlen-2] != '.' || hname[nlen-1] != 'h') {
124 		(void) fprintf (stderr, "%s: name `%s` too long.\n",
125 				prog_name, out_name);
126 		exit(1);
127 	}
128 	snprintf (cname, 1024, "%s.c", out_name);
129 
130 	/* Open the menu_sys file first. */
131 	sys_prefix = getenv ("MENUDEF");
132 	if (sys_prefix == NULL)
133 		sys_prefix = _PATH_DEFSYSPREFIX;
134 	snprintf (sname, 1024, "%s/%s", sys_prefix, sys_name);
135 	sys_file = fopen (sname, "r");
136 	if (sys_file == NULL) {
137 		(void) fprintf (stderr, "%s: could not open %s.\n",
138 				prog_name, sname);
139 		exit (1);
140 	}
141 
142 	/* Output the .h file first. */
143 	out_file = fopen (hname, "w");
144 	if (out_file == NULL) {
145 		(void) fprintf (stderr, "%s: could not open %s.\n",
146 				prog_name, hname);
147 		exit (1);
148 	}
149 
150 	/* Write it */
151 	(void) fprintf (out_file, "%s",
152 		"/* menu system definitions. */\n"
153 		"\n"
154 		"#ifndef MENU_DEFS_H\n"
155 		"#define MENU_DEFS_H\n"
156 		"#include <stdlib.h>\n"
157 		"#include <string.h>\n"
158 		"#include <ctype.h>\n"
159 		"#include <curses.h>\n\n"
160 		);
161 
162 	if (do_dynamic)
163 		(void) fprintf (out_file, "#define DYNAMIC_MENUS\n\n");
164 
165 	(void) fprintf (out_file,
166 		"struct menudesc;\n"
167 		"typedef\n"
168 		"struct menu_ent {\n"
169 		"	char   *opt_name;\n"
170 		"	int	opt_menu;\n"
171 		"	int	opt_flags;\n"
172 		"	int	(*opt_action)(struct menudesc *);\n"
173 		"} menu_ent ;\n\n"
174 		"#define OPT_SUB    1\n"
175 		"#define OPT_ENDWIN 2\n"
176 		"#define OPT_EXIT   4\n"
177 		"#define OPT_NOMENU -1\n\n"
178 		"typedef\n"
179 		"struct menudesc {\n"
180 		"	char     *title;\n"
181 		"	int      y, x;\n"
182 		"	int	 h, w;\n"
183 		"	int	 mopt;\n"
184 		"	int      numopts;\n"
185 		"	int	 cursel;\n"
186 		"	int	 topline;\n"
187 		"	menu_ent *opts;\n"
188 		"	WINDOW   *mw;\n"
189 		"	char     *helpstr;\n"
190 		"	char     *exitstr;\n"
191 		"	void    (*post_act)(void);\n"
192 		"	void    (*exit_act)(void);\n"
193 		"} menudesc ;\n"
194 		"\n"
195 		"/* defines for mopt field. */\n"
196 		"#define MC_NOEXITOPT 1\n"
197 		"#define MC_NOBOX 2\n"
198 		"#define MC_SCROLL 4\n"
199 		"#define MC_NOSHORTCUT 8\n"
200 		"#define MC_VALID 256\n"
201 		);
202 
203 	(void) fprintf (out_file, "%s",
204 		"\n"
205 		"/* initilization flag */\n"
206 		"extern int __m_endwin;\n"
207 		"\n"
208 		"/* Prototypes */\n"
209 		"int menu_init (void);\n"
210 		"void process_menu (int num);\n"
211 		"void __menu_initerror (void);\n"
212 		);
213 
214 	if (do_dynamic)
215 		(void) fprintf (out_file, "%s",
216 			"int new_menu (char * title, menu_ent * opts, "
217 				"int numopts, \n"
218 				"\tint x, int y, int h, int w, int mopt,\n"
219 				"\tvoid (*post_act)(void), "
220 				"void (*exit_act)(void), "
221 				"char * help);\n"
222 			"void free_menu (int menu_no);\n"
223 			);
224 
225 	(void) fprintf (out_file, "\n/* Menu names */\n");
226 	for (i=0; i<menu_no; i++) {
227 		(void) fprintf (out_file, "#define MENU_%s\t%d\n",
228 				menus[i]->id, i);
229 	}
230 
231 	if (do_dynamic)
232 		(void) fprintf (out_file, "\n#define DYN_MENU_START\t%d",
233 				menu_no);
234 
235 	(void) fprintf (out_file, "\n#define MAX_STRLEN %d\n"
236 			"#endif\n", max_strlen);
237 	fclose (out_file);
238 
239 	/* Now the C file */
240 	out_file = fopen (cname, "w");
241 	if (out_file == NULL) {
242 		(void) fprintf (stderr, "%s: could not open %s.\n",
243 				prog_name, cname);
244 		exit (1);
245 	}
246 
247 	/* initial code */
248 	fprintf (out_file, "#include \"%s\"\n\n", hname);
249 	fprintf (out_file, "%s\n\n", initcode);
250 
251 	/* data definitions */
252 
253 	/* func defs */
254 	for (i=0; i<menu_no; i++) {
255 		if (strlen(menus[i]->info->postact.code)) {
256 			(void) fprintf (out_file,
257 				"void menu_%d_postact(void);\n"
258 				"void menu_%d_postact(void)\n{", i, i);
259 			if (menus[i]->info->postact.endwin)
260 				(void) fprintf (out_file, "\tendwin();\n"
261 					"\t__m_endwin = 1;\n");
262 			(void) fprintf (out_file,
263 					"\t%s\n}\n",
264 					menus[i]->info->postact.code);
265 		}
266 		if (strlen(menus[i]->info->exitact.code)) {
267 			(void) fprintf (out_file,
268 				"void menu_%d_exitact(void);\n"
269 				"void menu_%d_exitact(void)\n{", i, i);
270 			if (menus[i]->info->exitact.endwin)
271 				(void) fprintf (out_file, "\tendwin();\n"
272 					"\t__m_endwin = 1;\n");
273 			(void) fprintf (out_file, "\t%s\n}\n\n",
274 					menus[i]->info->exitact.code);
275 		}
276 		j = 0;
277 		toptn = menus[i]->info->optns;
278 		while (toptn != NULL) {
279 			if (strlen(toptn->optact.code)) {
280 				(void) fprintf (out_file,
281 					"int opt_act_%d_%d(menudesc *m);\n"
282 					"int opt_act_%d_%d(menudesc *m)\n"
283 					"{\t%s\n\treturn %s;\n}\n\n",
284 					i, j, i, j, toptn->optact.code,
285 					(toptn->doexit ? "1" : "0"));
286 
287 
288 			}
289 			j++;
290 			toptn = toptn->next;
291 		}
292 
293 	}
294 
295 	/* optentX */
296 	for (i=0; i<menu_no; i++) {
297 		if (menus[i]->info->numopt > 53) {
298 			(void) fprintf (stderr, "Menu %s has "
299 				"too many options.\n",
300 				menus[i]->info->title);
301 			exit (1);
302 		}
303 		toptn = menus[i]->info->optns;
304 		j = 0;
305 		(void) fprintf (out_file,
306 				"static menu_ent optent%d[] = {\n", i);
307 		while (toptn != NULL) {
308 			(void) fprintf (out_file, "\t{\"%s,%d,%d,",
309 				toptn->name+1, toptn->menu,
310 				(toptn->issub ? OPT_SUB : 0)
311 				+(toptn->doexit ? OPT_EXIT : 0)
312 				+(toptn->optact.endwin ? OPT_ENDWIN : 0));
313 			if (strlen(toptn->optact.code))
314 				(void) fprintf (out_file, "opt_act_%d_%d}",
315 					i, j);
316 			else
317 				(void) fprintf (out_file, "NULL}");
318 			(void) fprintf (out_file, "%s\n",
319 				(toptn->next ? "," : ""));
320 			j++;
321 			toptn = toptn->next;
322 		}
323 		(void) fprintf (out_file, "\t};\n\n");
324 
325 	}
326 
327 
328 	/* menus */
329 	(void) fprintf (out_file, "static struct menudesc menu_def[] = {\n");
330 	for (i=0; i<menu_no; i++) {
331 		(void) fprintf (out_file,
332 			"\t{%s,%d,%d,%d,%d,%d,%d,0,0,optent%d,NULL,",
333 			menus[i]->info->title, 	menus[i]->info->y,
334 			menus[i]->info->x, menus[i]->info->h,
335 			menus[i]->info->w, menus[i]->info->mopt,
336 			menus[i]->info->numopt, i);
337 		if (menus[i]->info->helpstr == NULL)
338 			(void) fprintf (out_file, "NULL");
339 		else {
340 			tmpstr = menus[i]->info->helpstr;
341 			/* Skip an initial newline. */
342 			if (*tmpstr == '\n')
343 				tmpstr++;
344 			(void) fprintf (out_file, "\n\"");
345 			while (*tmpstr)
346 				if (*tmpstr != '\n')
347 				  fputc (*tmpstr++, out_file);
348 				else {
349 					(void) fprintf (out_file, "\\n\\\n");
350 					tmpstr++;
351 				}
352 			(void) fprintf (out_file, "\"");
353 		}
354 		(void) fprintf (out_file, ",");
355 		if (menus[i]->info->mopt & NOEXITOPT)
356 			(void) fprintf (out_file, "NULL");
357 		else if (menus[i]->info->exitstr != NULL)
358 			(void) fprintf (out_file, "%s",
359 				menus[i]->info->exitstr);
360 		else
361 			(void) fprintf (out_file, "\"Exit\"");
362 		if (strlen(menus[i]->info->postact.code))
363 			(void) fprintf (out_file, ",menu_%d_postact", i);
364 		else
365 			(void) fprintf (out_file, ",NULL");
366 		if (strlen(menus[i]->info->exitact.code))
367 			(void) fprintf (out_file, ",menu_%d_exitact", i);
368 		else
369 			(void) fprintf (out_file, ",NULL");
370 
371 		(void) fprintf (out_file, "},\n");
372 
373 	}
374 	(void) fprintf (out_file, "{NULL}};\n\n");
375 
376 	/* __menu_initerror: initscr failed. */
377 	(void) fprintf (out_file,
378 		"/* __menu_initerror: initscr failed. */\n"
379 		"void __menu_initerror (void) {\n");
380 	if (error_act.code == NULL) {
381 		(void) fprintf (out_file,
382 			"\t(void) fprintf (stderr, "
383 			"\"%%s: Could not initialize curses\\n\", "
384 			"getprogname());\n"
385 			"\texit(1);\n"
386 			"}\n");
387 	} else {
388 		if (error_act.endwin)
389 			(void) fprintf (out_file, "\tendwin();\n");
390 		(void) fprintf (out_file, "%s\n}\n", error_act.code);
391 	}
392 
393 	/* Copy menu_sys.def file. */
394 	while ((ch = fgetc(sys_file)) != '\014')  /* Control-L */
395 		fputc(ch, out_file);
396 
397 	if (do_dynamic) {
398 		while ((ch = fgetc(sys_file)) != '\n')
399 			/* skip it */;
400 		while ((ch = fgetc(sys_file)) != EOF)
401 			fputc(ch, out_file);
402 	}
403 
404 	fclose (out_file);
405 	fclose (sys_file);
406 }
407