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mdb.c revision 1.42 
      1 /*	$NetBSD: mdb.c,v 1.42 2006/02/20 21:06:40 dsl 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 #if HAVE_NBTOOL_CONFIG_H
     42 #include "nbtool_config.h"
     43 #endif
     44 
     45 #include <sys/cdefs.h>
     46 
     47 #if defined(__RCSID) && !defined(lint)
     48 __RCSID("$NetBSD: mdb.c,v 1.42 2006/02/20 21:06:40 dsl Exp $");
     49 #endif
     50 
     51 
     52 #include <stdio.h>
     53 #include <stdlib.h>
     54 #include <string.h>
     55 #include "mdb.h"
     56 #include "defs.h"
     57 #include "pathnames.h"
     58 
     59 /* Data */
     60 #undef MAX
     61 #define MAX 1000
     62 static int menu_no = 0;
     63 static id_rec *menus[MAX];
     64 
     65 /* Other defines */
     66 #define OPT_SUB		1
     67 #define OPT_ENDWIN	2
     68 #define OPT_EXIT	4
     69 
     70 
     71 /* get_menu returns a pointer to a newly created id_rec or an old one. */
     72 
     73 id_rec *
     74 get_menu (char *name)
     75 {
     76 	id_rec *temp;
     77 
     78 	temp = find_id (root, name);
     79 
     80 	if (temp == NULL) {
     81 		if (menu_no < MAX) {
     82 			temp = (id_rec *) malloc (sizeof(id_rec));
     83 			temp->id = strdup(name);
     84 			temp->info = NULL;
     85 			temp->menu_no = menu_no;
     86 			menus[menu_no++] = temp;
     87 			insert_id (&root, temp);
     88 		} else {
     89 			(void) fprintf (stderr, "Too many menus.  "
     90 					"Increase MAX.\n");
     91 			exit(1);
     92 		}
     93 	}
     94 
     95 	return temp;
     96 }
     97 
     98 
     99 /* Verify that all menus are defined. */
    100 
    101 void
    102 check_defined (void)
    103 {
    104 	int i;
    105 
    106 	for (i=0; i<menu_no; i++)
    107 		if (!menus[i]->info)
    108 			yyerror ("Menu '%s' undefined.", menus[i]->id);
    109 }
    110 
    111 
    112 /* Write out the menu file. */
    113 void
    114 write_menu_file (char *initcode)
    115 {
    116 	FILE *out_file;
    117 	FILE *sys_file;
    118 	int i, j;
    119 	char hname[1024];
    120 	char cname[1024];
    121 	char sname[1024];
    122 	char *sys_prefix;
    123 	char *tmpstr;
    124 	int name_is_code;
    125 
    126 	int nlen;
    127 
    128 	int ch;
    129 
    130 	optn_info *toptn;
    131 
    132 	/* Generate file names */
    133 	snprintf (hname, 1024, "%s.h", out_name);
    134 	nlen = strlen(hname);
    135 	if (hname[nlen-2] != '.' || hname[nlen-1] != 'h') {
    136 		(void) fprintf (stderr, "%s: name `%s` too long.\n",
    137 				prog_name, out_name);
    138 		exit(1);
    139 	}
    140 	snprintf (cname, 1024, "%s.c", out_name);
    141 
    142 	/* Open the menu_sys file first. */
    143 	sys_prefix = getenv ("MENUDEF");
    144 	if (sys_prefix == NULL)
    145 		sys_prefix = _PATH_DEFSYSPREFIX;
    146 	snprintf (sname, 1024, "%s/%s", sys_prefix, sys_name);
    147 	sys_file = fopen (sname, "r");
    148 	if (sys_file == NULL) {
    149 		(void) fprintf (stderr, "%s: could not open %s.\n",
    150 				prog_name, sname);
    151 		exit (1);
    152 	}
    153 
    154 	/* Output the .h file first. */
    155 	out_file = fopen (hname, "w");
    156 	if (out_file == NULL) {
    157 		(void) fprintf (stderr, "%s: could not open %s.\n",
    158 				prog_name, hname);
    159 		exit (1);
    160 	}
    161 
    162 	/* Write it */
    163 	(void) fprintf (out_file, "%s",
    164 		"/* menu system definitions. */\n"
    165 		"\n"
    166 		"#ifndef MENU_DEFS_H\n"
    167 		"#define MENU_DEFS_H\n"
    168 		"#include <stdlib.h>\n"
    169 		"#include <string.h>\n"
    170 		"#include <ctype.h>\n"
    171 		"#include <curses.h>\n\n"
    172 		);
    173 
    174 	if (do_msgxlat)
    175 		(void)fprintf(out_file, "#define MSG_XLAT(x) msg_string(x)\n");
    176 	else
    177 		(void)fprintf(out_file, "#define MSG_XLAT(x) (x)\n");
    178 	if (do_dynamic)
    179 		(void)fprintf(out_file, "#define DYNAMIC_MENUS\n");
    180 	if (do_dynamic || do_msgxlat)
    181 		(void)fprintf(out_file, "\n");
    182 
    183 	(void)fprintf(out_file,
    184 		"typedef struct menudesc menudesc;\n"
    185 		"typedef struct menu_ent menu_ent;\n"
    186 		"struct menu_ent {\n"
    187 		"	const char	*opt_name;\n"
    188 		"	int		opt_menu;\n"
    189 		"	int		opt_flags;\n"
    190 		"	int		(*opt_action)(menudesc *, void *);\n"
    191 		"};\n\n"
    192 		"#define OPT_SUB	1\n"
    193 		"#define OPT_ENDWIN	2\n"
    194 		"#define OPT_EXIT	4\n"
    195 		"#define OPT_IGNORE	8\n"
    196 		"#define OPT_NOMENU	-1\n\n"
    197 		"struct menudesc {\n"
    198 		"	const char	*title;\n"
    199 		"	int		y, x;\n"
    200 		"	int		h, w;\n"
    201 		"	int		mopt;\n"
    202 		"	int		numopts;\n"
    203 		"	int		cursel;\n"
    204 		"	int		topline;\n"
    205 		"	menu_ent	*opts;\n"
    206 		"	WINDOW		*mw;\n"
    207 		"	WINDOW		*sv_mw;\n"
    208 		"	const char	*helpstr;\n"
    209 		"	const char	*exitstr;\n"
    210 		"	void		(*post_act)(menudesc *, void *);\n"
    211 		"	void		(*exit_act)(menudesc *, void *);\n"
    212 		"	void		(*draw_line)(menudesc *, int, void *);\n"
    213 		"};\n"
    214 		"\n"
    215 		"/* defines for mopt field. */\n"
    216 #define STR(x) #x
    217 #define MC_OPT(x) "#define " #x " " STR(x) "\n"
    218 		MC_OPT(MC_NOEXITOPT)
    219 		MC_OPT(MC_NOBOX)
    220 		MC_OPT(MC_SCROLL)
    221 		MC_OPT(MC_NOSHORTCUT)
    222 		MC_OPT(MC_NOCLEAR)
    223 		MC_OPT(MC_DFLTEXIT)
    224 		MC_OPT(MC_ALWAYS_SCROLL)
    225 		MC_OPT(MC_SUBMENU)
    226 		MC_OPT(MC_VALID)
    227 #undef MC_OPT
    228 #undef STR
    229 	);
    230 
    231 	(void) fprintf (out_file, "%s",
    232 		"\n"
    233 		"/* Prototypes */\n"
    234 		"int menu_init(void);\n"
    235 		"void process_menu(int, void *);\n"
    236 		"void __menu_initerror(void);\n"
    237 		);
    238 
    239 	if (do_dynamic)
    240 		(void) fprintf (out_file, "%s",
    241 			"int new_menu(const char *, menu_ent *, int, \n"
    242 			    "\tint, int, int, int, int,\n"
    243 			    "\tvoid (*)(menudesc *, void *), "
    244 			    "void (*)(menudesc *, int, void *),\n"
    245 			    "\tvoid (*)(menudesc *, void *), "
    246 			    "const char *, const char *);\n"
    247 			"void free_menu(int);\n"
    248 			"void set_menu_numopts(int, int);\n"
    249 			);
    250 
    251 	(void) fprintf (out_file, "\n/* Menu names */\n");
    252 	for (i=0; i<menu_no; i++) {
    253 		(void) fprintf (out_file, "#define MENU_%s\t%d\n",
    254 				menus[i]->id, i);
    255 	}
    256 
    257 	if (do_dynamic)
    258 		(void) fprintf (out_file, "\n#define DYN_MENU_START\t%d",
    259 				menu_no);
    260 
    261 	(void) fprintf (out_file, "\n#define MAX_STRLEN %d\n"
    262 			"#endif\n", max_strlen);
    263 	fclose (out_file);
    264 
    265 	/* Now the C file */
    266 	out_file = fopen (cname, "w");
    267 	if (out_file == NULL) {
    268 		(void) fprintf (stderr, "%s: could not open %s.\n",
    269 				prog_name, cname);
    270 		exit (1);
    271 	}
    272 
    273 	/* initial code */
    274 	fprintf (out_file, "#include \"%s\"\n\n", hname);
    275 	fprintf (out_file, "%s\n\n", initcode);
    276 
    277 	/* data definitions */
    278 
    279 	/* func defs */
    280 	for (i=0; i<menu_no; i++) {
    281 		if (strlen(menus[i]->info->postact.code)) {
    282 			(void) fprintf (out_file,
    283 				"/*ARGSUSED*/\n"
    284 				"static void menu_%d_postact(menudesc *menu, void *arg)\n{\n", i);
    285 			if (menus[i]->info->postact.endwin)
    286 				(void) fprintf (out_file, "\tendwin();\n");
    287 			(void) fprintf (out_file,
    288 					"\t%s\n}\n\n",
    289 					menus[i]->info->postact.code);
    290 		}
    291 		if (strlen(menus[i]->info->exitact.code)) {
    292 			(void) fprintf (out_file,
    293 				"/*ARGSUSED*/\n"
    294 				"static void menu_%d_exitact(menudesc *menu, void *arg)\n{\n", i);
    295 			if (menus[i]->info->exitact.endwin)
    296 				(void) fprintf (out_file, "\tendwin();\n");
    297 			(void) fprintf (out_file, "\t%s\n}\n\n",
    298 					menus[i]->info->exitact.code);
    299 		}
    300 		j = 0;
    301 		toptn = menus[i]->info->optns;
    302 		for (;toptn != NULL; j++, toptn = toptn->next) {
    303 			if (strlen(toptn->optact.code) == 0)
    304 				continue;
    305 
    306 			(void) fprintf (out_file,
    307 				"/*ARGSUSED*/\n"
    308 				"static int opt_act_%d_%d(menudesc *m, void *arg)\n"
    309 				"{\n\t%s\n\treturn %s;\n}\n\n",
    310 				i, j, toptn->optact.code,
    311 				(toptn->doexit ? "1" : "0"));
    312 		}
    313 
    314 	}
    315 
    316 	/* optentX */
    317 	for (i=0; i<menu_no; i++) {
    318 		if (menus[i]->info->numopt > 53) {
    319 			(void) fprintf (stderr, "Menu %s has "
    320 				"too many options.\n",
    321 				menus[i]->info->title);
    322 			exit (1);
    323 		}
    324 		(void) fprintf (out_file,
    325 				"static menu_ent optent%d[] = {\n", i);
    326 		name_is_code = 0;
    327 		for (j = 0, toptn = menus[i]->info->optns; toptn;
    328 		    toptn = toptn->next, j++) {
    329 			name_is_code += toptn->name_is_code;
    330 			(void) fprintf (out_file, "\t{%s,%d,%d,",
    331 				toptn->name_is_code ? "0" : toptn->name,
    332 				toptn->menu,
    333 				(toptn->issub ? OPT_SUB : 0)
    334 				+(toptn->doexit ? OPT_EXIT : 0)
    335 				+(toptn->optact.endwin ? OPT_ENDWIN : 0));
    336 			if (strlen(toptn->optact.code))
    337 				(void) fprintf (out_file, "opt_act_%d_%d}",
    338 					i, j);
    339 			else
    340 				(void) fprintf (out_file, "NULL}");
    341 			(void) fprintf (out_file, "%s\n",
    342 				(toptn->next ? "," : ""));
    343 		}
    344 		(void) fprintf (out_file, "\t};\n\n");
    345 
    346 		if (name_is_code) {
    347 			menus[i]->info->name_is_code = 1;
    348 			fprintf(out_file, "static void menu_%d_legend("
    349 			    "menudesc *menu, int opt, void *arg)\n{\n"
    350 			    "\tswitch (opt) {\n", i);
    351 			for (j = 0, toptn = menus[i]->info->optns; toptn;
    352 			    toptn = toptn->next, j++) {
    353 				if (!toptn->name_is_code)
    354 					continue;
    355 				fprintf(out_file, "\tcase %d:\n\t\t{%s};\n"
    356 				    "\t\tbreak;\n", j, toptn->name);
    357 			}
    358 			fprintf(out_file, "\t}\n}\n\n");
    359 		}
    360 	}
    361 
    362 
    363 	/* menus */
    364 	(void) fprintf (out_file, "static struct menudesc menu_def[] = {\n");
    365 	for (i=0; i<menu_no; i++) {
    366 		(void) fprintf (out_file,
    367 			"\t{%s,%d,%d,%d,%d,%d,%d,0,0,optent%d,NULL,NULL,",
    368 			menus[i]->info->title, 	menus[i]->info->y,
    369 			menus[i]->info->x, menus[i]->info->h,
    370 			menus[i]->info->w, menus[i]->info->mopt,
    371 			menus[i]->info->numopt, i);
    372 		if (menus[i]->info->helpstr == NULL)
    373 			(void) fprintf (out_file, "NULL");
    374 		else {
    375 			tmpstr = menus[i]->info->helpstr;
    376 			if (*tmpstr != '"')
    377 				(void)fprintf(out_file, "%s", tmpstr);
    378 			else {
    379 				/* Skip an initial newline. */
    380 				if (tmpstr[1] == '\n')
    381 					*++tmpstr = '"';
    382 				(void) fprintf (out_file, "\n");
    383 				while (*tmpstr) {
    384 					if (*tmpstr != '\n') {
    385 						fputc (*tmpstr++, out_file);
    386 						continue;
    387 					}
    388 					(void) fprintf (out_file, "\\n\"\n\"");
    389 					tmpstr++;
    390 				}
    391 			}
    392 		}
    393 		(void) fprintf (out_file, ",");
    394 		if (menus[i]->info->mopt & MC_NOEXITOPT)
    395 			(void) fprintf (out_file, "NULL");
    396 		else if (menus[i]->info->exitstr != NULL)
    397 			(void) fprintf (out_file, "%s",
    398 				menus[i]->info->exitstr);
    399 		else
    400 			(void) fprintf (out_file, "\"Exit\"");
    401 		if (strlen(menus[i]->info->postact.code))
    402 			(void) fprintf (out_file, ",menu_%d_postact", i);
    403 		else
    404 			(void) fprintf (out_file, ",NULL");
    405 		if (strlen(menus[i]->info->exitact.code))
    406 			(void) fprintf (out_file, ",menu_%d_exitact", i);
    407 		else
    408 			(void) fprintf (out_file, ",NULL");
    409 		if (menus[i]->info->name_is_code)
    410 			(void) fprintf (out_file, ",menu_%d_legend", i);
    411 		else
    412 			(void) fprintf (out_file, ",NULL");
    413 
    414 		(void) fprintf (out_file, "},\n");
    415 
    416 	}
    417 	(void) fprintf (out_file, "{NULL}};\n\n");
    418 
    419 	/* __menu_initerror: initscr failed. */
    420 	(void) fprintf (out_file,
    421 		"/* __menu_initerror: initscr failed. */\n"
    422 		"void __menu_initerror (void) {\n");
    423 	if (error_act.code == NULL) {
    424 		(void) fprintf (out_file,
    425 			"\t(void) fprintf (stderr, "
    426 			"\"%%s: Could not initialize curses\\n\", "
    427 			"getprogname());\n"
    428 			"\texit(1);\n"
    429 			"}\n");
    430 	} else {
    431 		if (error_act.endwin)
    432 			(void) fprintf (out_file, "\tendwin();\n");
    433 		(void) fprintf (out_file, "%s\n}\n", error_act.code);
    434 	}
    435 
    436 	/* Copy menu_sys.def file. */
    437 	while ((ch = fgetc(sys_file)) != '\014')  /* Control-L */
    438 		fputc(ch, out_file);
    439 
    440 	if (do_dynamic) {
    441 		while ((ch = fgetc(sys_file)) != '\n')
    442 			/* skip it */;
    443 		while ((ch = fgetc(sys_file)) != EOF)
    444 			fputc(ch, out_file);
    445 	}
    446 
    447 	fclose (out_file);
    448 	fclose (sys_file);
    449 }
    450