usr.bin/mkesdb/yacc.y

   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 }