1 /* $FreeBSD$ */ 2 /* $NetBSD: yacc.y,v 1.4 2005/06/02 02:09:25 lukem Exp $ */ 3 4 %{ 5 /*- 6 * Copyright (c)2003 Citrus Project, 7 * All rights reserved. 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 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 #include <sys/types.h> 33 #include <sys/queue.h> 34 35 #include <assert.h> 36 #include <err.h> 37 #include <errno.h> 38 #include <limits.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 #include "citrus_namespace.h" 45 #include "citrus_types.h" 46 #include "citrus_region.h" 47 #include "citrus_esdb_file.h" 48 #include "citrus_db_hash.h" 49 #include "citrus_db_factory.h" 50 #include "citrus_lookup_factory.h" 51 52 #include "ldef.h" 53 54 extern FILE *yyin; 55 56 static struct named_csid_list named_csids; 57 static char *encoding, *name, *output = NULL, *variable; 58 static u_int32_t invalid; 59 static int debug = 0, num_csids = 0, use_invalid = 0; 60 61 static void dump_file(void); 62 static void register_named_csid(char *, u_int32_t); 63 static void set_invalid(u_int32_t); 64 static void set_prop_string(const char *, char **, char **); 65 %} 66 %union { 67 u_int32_t i_value; 68 char *s_value; 69 } 70 71 %token R_NAME R_ENCODING R_VARIABLE R_DEFCSID R_INVALID 72 %token R_LN 73 %token <i_value> L_IMM 74 %token <s_value> L_STRING 75 76 %% 77 78 file : property 79 { dump_file(); } 80 81 property : /* empty */ 82 | property R_LN 83 | property name R_LN 84 | property encoding R_LN 85 | property variable R_LN 86 | property defcsid R_LN 87 | property invalid R_LN 88 89 name : R_NAME L_STRING 90 { 91 set_prop_string("NAME", &name, &$2); 92 } 93 94 encoding : R_ENCODING L_STRING 95 { 96 set_prop_string("ENCODING", &encoding, &$2); 97 } 98 variable : R_VARIABLE L_STRING 99 { 100 set_prop_string("VARIABLE", &variable, &$2); 101 } 102 defcsid : R_DEFCSID L_STRING L_IMM 103 { 104 register_named_csid($2, $3); 105 $2 = NULL; 106 } 107 invalid : R_INVALID L_IMM 108 { 109 set_invalid($2); 110 } 111 %% 112 113 int 114 yyerror(const char *s) 115 { 116 117 fprintf(stderr, "%s in %d\n", s, linenumber); 118 119 return (0); 120 } 121 122 #define CHKERR(ret, func, a) \ 123 do { \ 124 ret = func a; \ 125 if (ret) \ 126 errx(EXIT_FAILURE, "%s: %s", #func, strerror(ret)); \ 127 } while (/*CONSTCOND*/0) 128 static void 129 dump_file(void) 130 { 131 struct _db_factory *df; 132 struct _region data; 133 struct named_csid *csid; 134 FILE *fp; 135 char buf[100]; 136 void *serialized; 137 size_t size; 138 int i, ret; 139 140 ret = 0; 141 if (!name) { 142 fprintf(stderr, "NAME is mandatory.\n"); 143 ret = 1; 144 } 145 if (!encoding) { 146 fprintf(stderr, "ENCODING is mandatory.\n"); 147 ret = 1; 148 } 149 if (ret) 150 exit(1); 151 152 /* 153 * build database 154 */ 155 CHKERR(ret, _db_factory_create, (&df, _db_hash_std, NULL)); 156 157 /* store version */ 158 CHKERR(ret, _db_factory_add32_by_s, (df, _CITRUS_ESDB_SYM_VERSION, 159 _CITRUS_ESDB_VERSION)); 160 161 /* store encoding */ 162 CHKERR(ret, _db_factory_addstr_by_s, (df, _CITRUS_ESDB_SYM_ENCODING, 163 encoding)); 164 165 /* store variable */ 166 if (variable) 167 CHKERR(ret, _db_factory_addstr_by_s, 168 (df, _CITRUS_ESDB_SYM_VARIABLE, variable)); 169 170 /* store invalid */ 171 if (use_invalid) 172 CHKERR(ret, _db_factory_add32_by_s, (df, 173 _CITRUS_ESDB_SYM_INVALID, invalid)); 174 175 /* store num of charsets */ 176 CHKERR(ret, _db_factory_add32_by_s, (df, _CITRUS_ESDB_SYM_NUM_CHARSETS, 177 num_csids)); 178 i = 0; 179 STAILQ_FOREACH(csid, &named_csids, ci_entry) { 180 snprintf(buf, sizeof(buf), _CITRUS_ESDB_SYM_CSNAME_PREFIX "%d", 181 i); 182 CHKERR(ret, _db_factory_addstr_by_s, 183 (df, buf, csid->ci_symbol)); 184 snprintf(buf, sizeof(buf), _CITRUS_ESDB_SYM_CSID_PREFIX "%d", 185 i); 186 CHKERR(ret, _db_factory_add32_by_s, (df, buf, csid->ci_csid)); 187 i++; 188 } 189 190 /* 191 * dump database to file 192 */ 193 fp = output ? fopen(output, "wb") : stdout; 194 if (fp == NULL) { 195 perror("fopen"); 196 exit(1); 197 } 198 199 /* dump database body */ 200 size = _db_factory_calc_size(df); 201 serialized = malloc(size); 202 _region_init(&data, serialized, size); 203 CHKERR(ret, _db_factory_serialize, (df, _CITRUS_ESDB_MAGIC, &data)); 204 if (fwrite(serialized, size, 1, fp) != 1) 205 err(EXIT_FAILURE, "fwrite"); 206 207 fclose(fp); 208 } 209 210 static void 211 set_prop_string(const char *res, char **store, char **data) 212 { 213 char buf[256]; 214 215 if (*store) { 216 snprintf(buf, sizeof(buf), 217 "%s is duplicated. ignored the one", res); 218 yyerror(buf); 219 return; 220 } 221 222 *store = *data; 223 *data = NULL; 224 } 225 226 static void 227 set_invalid(u_int32_t inv) 228 { 229 230 invalid = inv; 231 use_invalid = 1; 232 } 233 234 static void 235 register_named_csid(char *sym, u_int32_t val) 236 { 237 struct named_csid *csid; 238 239 STAILQ_FOREACH(csid, &named_csids, ci_entry) { 240 if (strcmp(csid->ci_symbol, sym) == 0) { 241 yyerror("multiply defined CSID"); 242 exit(1); 243 } 244 } 245 246 csid = malloc(sizeof(*csid)); 247 if (csid == NULL) { 248 perror("malloc"); 249 exit(1); 250 } 251 csid->ci_symbol = sym; 252 csid->ci_csid = val; 253 STAILQ_INSERT_TAIL(&named_csids, csid, ci_entry); 254 num_csids++; 255 } 256 257 static void 258 do_mkdb(FILE *in) 259 { 260 FILE *out; 261 int ret; 262 263 /* dump DB to file */ 264 out = output ? fopen(output, "wb") : stdout; 265 if (out == NULL) 266 err(EXIT_FAILURE, "fopen"); 267 268 ret = _lookup_factory_convert(out, in); 269 fclose(out); 270 if (ret && output) 271 unlink(output); /* dump failure */ 272 if (ret) 273 errx(EXIT_FAILURE, "%s\n", strerror(ret)); 274 } 275 276 static void 277 usage(void) 278 { 279 errx(EXIT_FAILURE, 280 "usage:\n" 281 "\t%s [-o outfile] [infile]\n" 282 "\t%s -m [-o outfile] [infile]", 283 getprogname(), getprogname()); 284 } 285 286 int 287 main(int argc, char **argv) 288 { 289 FILE *in = NULL; 290 int ch, mkdb = 0; 291 292 while ((ch = getopt(argc, argv, "do:m")) != EOF) { 293 switch (ch) { 294 case 'd': 295 debug = 1; 296 break; 297 case 'o': 298 output = strdup(optarg); 299 break; 300 case 'm': 301 mkdb = 1; 302 break; 303 default: 304 usage(); 305 } 306 } 307 308 argc -= optind; 309 argv += optind; 310 switch (argc) { 311 case 0: 312 in = stdin; 313 break; 314 case 1: 315 in = fopen(argv[0], "r"); 316 if (!in) 317 err(EXIT_FAILURE, "%s", argv[0]); 318 break; 319 default: 320 usage(); 321 } 322 323 if (mkdb) 324 do_mkdb(in); 325 else { 326 STAILQ_INIT(&named_csids); 327 yyin = in; 328 yyparse(); 329 } 330 331 return (0); 332 } 333