usr.bin/mkesdb/yacc.y

   1 /*      $NetBSD: src/usr.bin/mkesdb/yacc.y,v 1.3 2004/01/02 12:09:48 itojun Exp $       */
   2
   3 %{
   4 /*-
   5  * Copyright (c)2003 Citrus Project,
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #include <sys/types.h>
  31 #include <sys/queue.h>
  32 #include <assert.h>
  33 #include <err.h>
  34 #include <errno.h>
  35 #include <limits.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <unistd.h>
  40
  41 #include "citrus_namespace.h"
  42 #include "citrus_types.h"
  43 #include "citrus_region.h"
  44 #include "citrus_esdb_file.h"
  45 #include "citrus_db_hash.h"
  46 #include "citrus_db_factory.h"
  47 #include "citrus_lookup_factory.h"
  48
  49 #include "ldef.h"
  50
  51 extern FILE     *yyin;
  52
  53 static int                      debug = 0, num_csids = 0;
  54 static char                     *output = NULL;
  55 static char                     *name, *encoding, *variable;
  56 static uint32_t                 invalid;
  57 static int                      use_invalid = 0;
  58 static struct named_csid_list   named_csids;
  59
  60 static void     dump_file(void);
  61 static void     register_named_csid(char *, uint32_t);
  62 static void     set_prop_string(const char *, char **, char **);
  63 static void     set_invalid(uint32_t);
  64
  65 #if YYPATCH < 20180510
  66 int yylex (void);
  67 #endif
  68 %}
  69 %union {
  70         uint32_t        i_value;
  71         char            *s_value;
  72 }
  73
  74 %token                  R_NAME R_ENCODING R_VARIABLE R_DEFCSID R_INVALID
  75 %token                  R_LN
  76 %token <i_value>        L_IMM
  77 %token <s_value>        L_STRING
  78
  79 %%
  80
  81 file            : property
  82                 { dump_file(); }
  83
  84 property        : /* empty */
  85                 | property R_LN
  86                 | property name R_LN
  87                 | property encoding R_LN
  88                 | property variable R_LN
  89                 | property defcsid R_LN
  90                 | property invalid R_LN
  91
  92 name            : R_NAME L_STRING
  93                 {
  94                         set_prop_string("NAME", &name, &$2);
  95                 }
  96
  97 encoding        : R_ENCODING L_STRING
  98                 {
  99                         set_prop_string("ENCODING", &encoding, &$2);
 100                 }
 101 variable        : R_VARIABLE L_STRING
 102                 {
 103                         set_prop_string("VARIABLE", &variable, &$2);
 104                 }
 105 defcsid         : R_DEFCSID L_STRING L_IMM
 106                 {
 107                         register_named_csid($2, $3);
 108                         $2 = NULL;
 109                 }
 110 invalid         : R_INVALID L_IMM
 111                 {
 112                         set_invalid($2);
 113                 }
 114 %%
 115
 116 int
 117 yyerror(const char *s)
 118 {
 119         fprintf(stderr, "%s in %d\n", s, aline_number);
 120
 121         return (0);
 122 }
 123
 124 #define CHKERR(ret, func, a)                                            \
 125 do {                                                                    \
 126         ret = func a;                                                   \
 127         if (ret)                                                        \
 128                 errx(EXIT_FAILURE, "%s: %s", #func, strerror(ret));     \
 129 } while (/*CONSTCOND*/0)
 130 static void
 131 dump_file(void)
 132 {
 133         int ret;
 134         FILE *fp;
 135         struct _db_factory *df;
 136         struct _region data;
 137         struct named_csid *csid;
 138         char buf[100];
 139         int i;
 140         void *serialized;
 141         size_t size;
 142
 143         ret = 0;
 144         if (!name) {
 145                 fprintf(stderr, "NAME is mandatory.\n");
 146                 ret = 1;
 147         }
 148         if (!encoding) {
 149                 fprintf(stderr, "ENCODING is mandatory.\n");
 150                 ret = 1;
 151         }
 152         if (ret)
 153                 exit(1);
 154
 155         /*
 156          * build database
 157          */
 158         CHKERR(ret, _db_factory_create, (&df, _db_hash_std, NULL));
 159
 160         /* store version */
 161         CHKERR(ret, _db_factory_add32_by_s, (df, _CITRUS_ESDB_SYM_VERSION,
 162                                              _CITRUS_ESDB_VERSION));
 163
 164         /* store encoding */
 165         CHKERR(ret, _db_factory_addstr_by_s, (df, _CITRUS_ESDB_SYM_ENCODING,
 166                                               encoding));
 167
 168         /* store variable */
 169         if (variable)
 170                 CHKERR(ret, _db_factory_addstr_by_s,
 171                        (df, _CITRUS_ESDB_SYM_VARIABLE, variable));
 172
 173         /* store invalid */
 174         if (use_invalid)
 175                 CHKERR(ret, _db_factory_add32_by_s, (df,
 176                                                      _CITRUS_ESDB_SYM_INVALID,
 177                                                      invalid));
 178
 179         /* store num of charsets */
 180         CHKERR(ret, _db_factory_add32_by_s, (df, _CITRUS_ESDB_SYM_NUM_CHARSETS,
 181                                              num_csids));
 182         i=0;
 183         STAILQ_FOREACH(csid, &named_csids, ci_entry) {
 184                 snprintf(buf, sizeof(buf), _CITRUS_ESDB_SYM_CSNAME_PREFIX "%d",
 185                     i);
 186                 CHKERR(ret, _db_factory_addstr_by_s,
 187                        (df, buf, csid->ci_symbol));
 188                 snprintf(buf, sizeof(buf), _CITRUS_ESDB_SYM_CSID_PREFIX "%d",
 189                     i);
 190                 CHKERR(ret, _db_factory_add32_by_s, (df, buf, csid->ci_csid));
 191                 i++;
 192         }
 193
 194         /*
 195          * dump database to file
 196          */
 197         if (output)
 198                 fp = fopen(output, "wb");
 199         else
 200                 fp = stdout;
 201
 202         if (fp == NULL) {
 203                 perror("fopen");
 204                 exit(1);
 205         }
 206
 207         /* dump database body */
 208         size = _db_factory_calc_size(df);
 209         serialized = malloc(size);
 210         _region_init(&data, serialized, size);
 211         CHKERR(ret, _db_factory_serialize, (df, _CITRUS_ESDB_MAGIC, &data));
 212         if (fwrite(serialized, size, 1, fp) != 1)
 213                 err(EXIT_FAILURE, "fwrite");
 214
 215         fclose(fp);
 216 }
 217
 218 static void
 219 set_prop_string(const char *res, char **store, char **data)
 220 {
 221         char buf[256];
 222
 223         if (*store) {
 224                 snprintf(buf, sizeof(buf),
 225                          "%s is duplicated. ignored the one", res);
 226                 yyerror(buf);
 227                 return;
 228         }
 229
 230         *store = *data;
 231         *data = NULL;
 232 }
 233
 234 static void
 235 set_invalid(uint32_t inv)
 236 {
 237         invalid = inv;
 238         use_invalid = 1;
 239 }
 240
 241 static void
 242 register_named_csid(char *sym, uint32_t val)
 243 {
 244         struct named_csid *csid;
 245
 246         STAILQ_FOREACH(csid, &named_csids, ci_entry) {
 247                 if (strcmp(csid->ci_symbol, sym) == 0) {
 248                         yyerror("multiply defined CSID");
 249                         exit(1);
 250                 }
 251         }
 252
 253         csid = malloc(sizeof(*csid));
 254         if (csid == NULL) {
 255                 perror("malloc");
 256                 exit(1);
 257         }
 258         csid->ci_symbol = sym;
 259         csid->ci_csid = val;
 260         STAILQ_INSERT_TAIL(&named_csids, csid, ci_entry);
 261         num_csids++;
 262 }
 263
 264 static void
 265 do_mkdb(FILE *in)
 266 {
 267         int ret;
 268         FILE *out;
 269
 270         /* dump DB to file */
 271         if (output)
 272                 out = fopen(output, "wb");
 273         else
 274                 out = stdout;
 275
 276         if (out==NULL)
 277                 err(EXIT_FAILURE, "fopen");
 278
 279         ret = _lookup_factory_convert(out, in);
 280         fclose(out);
 281         if (ret && output)
 282                 unlink(output); /* dump failure */
 283         if (ret)
 284                 errx(EXIT_FAILURE, "%s\n", strerror(ret));
 285 }
 286
 287 static void
 288 usage(void)
 289 {
 290         errx(EXIT_FAILURE,
 291              "usage:\n"
 292              "\t%s [-o outfile] [infile]\n"
 293              "\t%s -m [-o outfile] [infile]",
 294              getprogname(), getprogname());
 295 }
 296
 297 int
 298 main(int argc, char **argv)
 299 {
 300         int ch;
 301         FILE *in = NULL;
 302         int mkdb = 0;
 303
 304         while ((ch=getopt(argc, argv, "do:m")) != -1) {
 305                 switch (ch) {
 306                 case 'd':
 307                         debug = 1;
 308                         break;
 309                 case 'o':
 310                         output = strdup(optarg);
 311                         break;
 312                 case 'm':
 313                         mkdb = 1;
 314                         break;
 315                 default:
 316                         usage();
 317                 }
 318         }
 319
 320         argc-=optind;
 321         argv+=optind;
 322         switch (argc) {
 323         case 0:
 324                 in = stdin;
 325                 break;
 326         case 1:
 327                 in = fopen(argv[0], "r");
 328                 if (!in)
 329                         err(EXIT_FAILURE, "%s", argv[0]);
 330                 break;
 331         default:
 332                 usage();
 333         }
 334
 335         if (mkdb)
 336                 do_mkdb(in);
 337         else {
 338                 STAILQ_INIT(&named_csids);
 339                 yyin=in;
 340                 yyparse();
 341         }
 342
 343         return (0);
 344 }