epan/diam_dict.l

   1 /*
   2  * We don't use input, so don't generate code for it.
   3  */
   4 %option noinput
   5
   6 /*
   7  * We don't use unput, so don't generate code for it.
   8  */
   9 %option nounput
  10
  11 /*
  12  * We don't read from the terminal.
  13  */
  14 %option never-interactive
  15
  16 /*
  17  * The language we're scanning is case-insensitive.
  18  */
  19 %option caseless
  20
  21 /*
  22  * We use start condition stacks.
  23  */
  24 %option stack
  25
  26 /*
  27  * Prefix scanner routines with "DiamDict" rather than "yy", so this scanner
  28  * can coexist with other scanners.
  29  */
  30 %option prefix="DiamDict"
  31
  32 %option outfile="diam_dict.c"
  33
  34 %{
  35         /*
  36          ** diam_dict.h
  37          ** Diameter Dictionary Import Routines
  38          **
  39          ** $Id$
  40          **
  41          ** (c) 2007, Luis E. Garcia Ontanon <luis@ontanon.org>
  42          **
  43          ** This library is free software; you can redistribute it and/or
  44          ** modify it under the terms of the GNU Library General Public
  45          ** License as published by the Free Software Foundation; either
  46          ** version 2 of the License, or (at your option) any later version.
  47          **
  48          ** This library is distributed in the hope that it will be useful,
  49          ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  50          ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  51          ** Library General Public License for more details.
  52          **
  53          ** You should have received a copy of the GNU Library General Public
  54          ** License along with this library; if not, write to the Free Software
  55          ** Foundation, Inc., 51 Franklin Street, Fifth Floor,
  56          ** Boston, MA  02110-1301, USA.
  57          */
  58
  59 #include "config.h"
  60
  61 #include <glib.h>
  62 #include <stdio.h>
  63 #include <string.h>
  64 #include <errno.h>
  65 #include <stdlib.h>
  66 #include <stdarg.h>
  67 #include "diam_dict.h"
  68 #include "diam_dict_lex.h"
  69 #include <wsutil/file_util.h>
  70
  71 typedef struct entity_t {
  72         char* name;
  73         char* file;
  74         struct entity_t* next;
  75 } entity_t;
  76
  77 #define ATTR_UINT(cont) do { D(("attr_uint " #cont "\t" )); attr_uint = &(cont); yy_push_state(GET_UINT_ATTR); } while(0)
  78 #define ATTR_STR(cont) do { D(("attr_str " #cont "\t" )); attr_str = &(cont); yy_push_state(GET_ATTR); } while(0)
  79 #define IGNORE() do { D(("ignore: %s\t",yytext)); yy_push_state(IGNORE_ATTR); } while(0)
  80
  81 #define D(args) ddict_debug args
  82
  83 #define MAX_INCLUDE_DEPTH 10
  84 #define YY_INPUT(buf,result,max_size) { result = current_yyinput(buf,max_size); }
  85 #define ECHO
  86 #define APPEND(txt,len) append_to_buffer(txt,len)
  87
  88 static entity_t ents;
  89 static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
  90 static int include_stack_ptr = 0;
  91 static size_t (*current_yyinput)(char*,size_t);
  92 static const char* sys_dir;
  93 static ddict_t* dict;
  94 static ddict_application_t* appl;
  95 static ddict_avp_t* avp;
  96 static ddict_enum_t* enumitem;
  97 static ddict_gavp_t* gavp;
  98 static ddict_typedefn_t* typedefn;
  99 static ddict_cmd_t* cmd;
 100 static ddict_vendor_t* vnd;
 101 static ddict_xmlpi_t* xmlpi;
 102
 103 static ddict_application_t* last_appl;
 104 static ddict_avp_t* last_avp;
 105 static ddict_enum_t* last_enumitem;
 106 static ddict_gavp_t* last_gavp;
 107 static ddict_typedefn_t* last_typedefn;
 108 static ddict_cmd_t* last_cmd;
 109 static ddict_vendor_t* last_vnd;
 110 static ddict_xmlpi_t* last_xmlpi;
 111
 112 static char** attr_str;
 113 static unsigned* attr_uint;
 114
 115 static void ddict_debug(const char* fmt, ...);
 116 static void append_to_buffer(const char* txt, int len);
 117 static FILE* ddict_open(const char*, const char*);
 118
 119 %}
 120
 121
 122 xmlpi_start [[:blank:] \r\n]*<\?[[:blank:] \r\n]*
 123 xmlpi_end [[:blank:] \r\n]*\?>[[:blank:] \r\n]*
 124 xmlpi_key_attr [[:blank:] \r\n]*key[[:blank:] \r\n]*=[[:blank:] \r\n]*\042
 125 xmlpi_value_attr [[:blank:] \r\n]*value[[:blank:] \r\n]*=[[:blank:] \r\n]*\042
 126
 127 comment_start [[:blank:] \r\n]*<!--[[:blank:] \r\n]*
 128 comment_end [[:blank:] \r\n]*-->[[:blank:] \r\n]*
 129 open_tag [[:blank:] \r\n]*<[[:blank:] \r\n]*
 130 end_tag [[:blank:] \r\n]*\/>[[:blank:] \r\n]*
 131 close_tag [[:blank:] \r\n]*>[[:blank:] \r\n]*
 132 open_closetag [[:blank:] \r\n]*<\/[[:blank:] \r\n]*
 133 equals [[:blank:] \r\n]*=[[:blank:] \r\n]*
 134 whitespace [[:blank:] \r\n]*
 135 dquoted \042[^\042]*\042
 136
 137 doctype [[:blank:] \r\n]*<!DOCTYPE[^\[]*\[[[:blank:] \r\n]*
 138 doctype_end [[:blank:] \r\n]*\][[:blank:] \r\n]*>[[:blank:] \r\n]*
 139
 140 start_entity [[:blank:] \r\n]*<\!ENTITY[[:blank:] \r\n]*
 141 system [[:blank:] \r\n]*SYSTEM[[:blank:] \r\n]*\042
 142 entityname [a-z0-9-]+
 143 ndquot [^\042]+
 144 end_entity \042[[:blank:] \r\n]*>[[:blank:] \r\n]*
 145
 146 entity \&[a-z0-9-]+;
 147
 148 any .
 149
 150
 151
 152
 153 stop >
 154 stop_end \/>
 155 dquot \042
 156 number [-]?[0-9]*
 157
 158 dictionary_start <dictionary>
 159 dictionary_end <\/dictionary>
 160
 161 base_start <base[^>*]*>
 162 base_end <\/base>
 163
 164 application_start <application
 165 application_end<\/application>
 166
 167 command_start <command
 168 command_end<\/command>
 169
 170 typedefn_start <typedefn
 171
 172 avp_start <avp
 173 avp_end <\/avp>
 174
 175 type_start <type
 176 enum_start <enum
 177
 178 grouped_start <grouped>
 179 grouped_end <\/grouped>
 180
 181 vendor_start <vendor
 182 gavp_start <gavp
 183
 184 ignored_attr [a-z0-9-]+=
 185 ignored_quoted \042[^\042]*\042
 186
 187 name_attr name=\042
 188 id_attr id=\042
 189 code_attr code=\042
 190 vendor_attr vendor-id=\042
 191 typename_attr type-name=\042
 192 typeparent_attr type-parent=\042
 193 description_attr description=\042
 194
 195
 196
 197 %S LOADING LOADING_COMMENT LOADING_XMLPI ENTITY GET_SYSTEM GET_FILE END_ENTITY
 198 %S GET_ATTR GET_UINT_ATTR END_ATTR OUTSIDE IN_DICT IN_APPL IN_AVP APPL_ATTRS IGNORE_ATTR
 199 %S TYPE_ATTRS GAVP_ATTRS ENUM_ATTRS AVP_ATTRS VENDOR_ATTRS COMMAND_ATTRS TYPEDEFN_ATTRS
 200 %S XMLPI_ATTRS XMLPI_GETKEY XMLPI_GETVAL XMLPI_ENDATTR
 201 %%
 202 <LOADING>{doctype} ;
 203 <LOADING>{doctype_end} ;
 204
 205 <LOADING>{comment_start} BEGIN LOADING_COMMENT;
 206 <LOADING_COMMENT>. ;
 207 <LOADING_COMMENT>{comment_end} BEGIN LOADING;
 208
 209 <LOADING>{xmlpi_start} BEGIN LOADING_XMLPI;
 210 <LOADING_XMLPI>{whitespace} ;
 211 <LOADING_XMLPI>{entityname} {
 212         xmlpi = g_new(ddict_xmlpi_t,1);
 213         xmlpi->name = g_strdup(yytext);
 214         xmlpi->key = NULL;
 215         xmlpi->value = NULL;
 216         xmlpi->next = NULL;
 217
 218         if (!dict->xmlpis) last_xmlpi = dict->xmlpis = xmlpi;
 219         else last_xmlpi = last_xmlpi->next = xmlpi;
 220
 221         BEGIN XMLPI_ATTRS;
 222 }
 223
 224 <XMLPI_ATTRS>{xmlpi_key_attr} BEGIN XMLPI_GETKEY;
 225 <XMLPI_GETKEY>{ndquot} { xmlpi->key = strdup(yytext); BEGIN XMLPI_ATTRS; }
 226
 227 <XMLPI_ATTRS>{xmlpi_value_attr} BEGIN XMLPI_GETVAL;
 228 <XMLPI_GETVAL>{ndquot} { xmlpi->value = strdup(yytext); BEGIN XMLPI_ATTRS; }
 229
 230 <XMLPI_ATTRS>.
 231 <XMLPI_ATTRS>{xmlpi_end} BEGIN LOADING;
 232
 233
 234 <LOADING>{start_entity} BEGIN ENTITY;
 235 <ENTITY>{entityname} {
 236         entity_t* e = g_new(entity_t,1);
 237         e->name = strdup(yytext);
 238         e->next = ents.next;
 239         ents.next = e;
 240         BEGIN GET_SYSTEM;
 241         };
 242 <GET_SYSTEM>{system} BEGIN GET_FILE;
 243 <GET_FILE>{ndquot} {
 244                 ents.next->file = strdup(yytext);
 245                 BEGIN END_ENTITY;
 246         }
 247 <END_ENTITY>{end_entity} BEGIN LOADING;
 248
 249 <LOADING>{open_tag} APPEND("<",1);
 250
 251 <LOADING>{close_tag} APPEND(">",1);
 252
 253 <LOADING>{end_tag} APPEND("/>",2);
 254
 255 <LOADING>{open_closetag} APPEND("</",2);
 256
 257 <LOADING>{whitespace} APPEND(" ",1);
 258
 259 <LOADING>{dquoted} APPEND(yytext,yyleng);
 260
 261 <LOADING>{equals} APPEND("=",1);
 262
 263 <LOADING>{any} APPEND(yytext,yyleng);
 264
 265 <LOADING>{entity} {
 266         char* p = ++yytext;
 267         entity_t* e;
 268
 269         while(*p != ';') p++;
 270
 271         *p = '\0';
 272
 273         D(("looking for entity: %s\n",yytext));
 274
 275         if ( include_stack_ptr >= MAX_INCLUDE_DEPTH ) {
 276                 fprintf(stderr, "included files nested to deeply\n");
 277                 yyterminate();
 278         }
 279
 280         for (e = ents.next; e; e = e->next) {
 281                 if (strcmp(e->name,yytext) == 0) {
 282                         yyin = ddict_open(sys_dir,e->file);
 283                         D(("entity: %s filename: %s yyin: %p\n",e->name,e->file,yyin));
 284                         if (!yyin) {
 285                                 if (errno)
 286                                         fprintf(stderr, "Could not open file: '%s', error: %s\n", e->file, g_strerror(errno) );
 287                                 else
 288                                         fprintf(stderr, "Could not open file: '%s', error unknown (errno == 0)\n", e->file );
 289                                 yyterminate();
 290                         } else {
 291                                 include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
 292                                 yy_switch_to_buffer(yy_create_buffer( yyin, YY_BUF_SIZE ) );
 293                                 BEGIN LOADING;
 294                         }
 295                         break;
 296                 }
 297         }
 298
 299         if (!e) {
 300                 fprintf(stderr, "Could not find entity: '%s'\n", yytext );
 301                 yyterminate();
 302         }
 303
 304 }
 305
 306 <<EOF>> {
 307         if (!yyin) yyterminate();
 308
 309         fclose(yyin);
 310         D(("closing: %p %i\n",yyin,include_stack_ptr));
 311
 312         if ( --include_stack_ptr < 0 ) {
 313                 D(("DONE READING\n"));
 314                 yyin = NULL;
 315                 yyterminate();
 316         } else {
 317                 yy_delete_buffer( YY_CURRENT_BUFFER );
 318                 yy_switch_to_buffer(include_stack[include_stack_ptr]);
 319                 BEGIN LOADING;
 320         }
 321 }
 322
 323
 324 <GET_ATTR>{ndquot} {
 325         *attr_str = strdup(yytext);
 326         D(("%s\n",yytext));
 327         attr_str = NULL;
 328         BEGIN END_ATTR;
 329 }
 330
 331 <GET_UINT_ATTR>{number} {
 332         *attr_uint = strtoul(yytext,NULL,10);
 333         D(("%s\n",yytext););
 334         attr_uint = NULL;
 335         BEGIN END_ATTR;
 336 }
 337
 338 <END_ATTR>{dquot} {     yy_pop_state(); }
 339
 340 <IGNORE_ATTR>. {
 341         /* XXX: should go?*/
 342         D(("{%s}",yytext));
 343 }
 344
 345 <IGNORE_ATTR>{ignored_quoted} {
 346         D(("=>%s<=\n",yytext));
 347         yy_pop_state();
 348 }
 349
 350 <OUTSIDE>{dictionary_start} {
 351         D(("dictionary_start\n"));
 352
 353         BEGIN IN_DICT;
 354 }
 355
 356 <IN_DICT>{base_start} {
 357         D(("base_start\n"));
 358         BEGIN IN_APPL;
 359 }
 360
 361 <IN_DICT>{application_start} {
 362         D(("application_start\n"));
 363
 364         appl = g_new(ddict_application_t,1);
 365         appl->name = NULL;
 366         appl->code = 0;
 367         appl->next = NULL;
 368
 369         if (!dict->applications) last_appl = dict->applications = appl;
 370         else last_appl = last_appl->next = appl;
 371
 372         BEGIN APPL_ATTRS;
 373 }
 374
 375 <APPL_ATTRS>{name_attr} { ATTR_STR(appl->name); }
 376 <APPL_ATTRS>{id_attr} { ATTR_UINT(appl->code); }
 377
 378 <APPL_ATTRS>{stop} BEGIN IN_APPL;
 379 <APPL_ATTRS>{stop_end} BEGIN IN_DICT;
 380
 381 <IN_APPL>{command_end}                  ;
 382
 383 <IN_APPL>{command_start}                {
 384         D(("command_start\n"));
 385
 386         cmd = g_new(ddict_cmd_t,1);
 387         cmd->name = NULL;
 388         cmd->vendor = NULL;
 389         cmd->code = 0;
 390         cmd->next = NULL;
 391
 392         if (!dict->cmds) last_cmd = dict->cmds = cmd;
 393         else last_cmd = last_cmd->next = cmd;
 394
 395         BEGIN COMMAND_ATTRS;
 396 }
 397
 398 <COMMAND_ATTRS>{name_attr}              { ATTR_STR(cmd->name); }
 399 <COMMAND_ATTRS>{vendor_attr}    { ATTR_STR(cmd->vendor); }
 400 <COMMAND_ATTRS>{code_attr}              { ATTR_UINT(cmd->code); }
 401 <COMMAND_ATTRS>{stop}                   |
 402 <COMMAND_ATTRS>{stop_end}               { BEGIN IN_APPL; }
 403
 404 <IN_APPL>{vendor_start} {
 405         D(("vendor_start\n"));
 406
 407         vnd = g_new(ddict_vendor_t,1);
 408         vnd->name = NULL;
 409         vnd->code = 0;
 410         vnd->next = NULL;
 411
 412         if (!dict->vendors) last_vnd = dict->vendors = vnd;
 413         else last_vnd = last_vnd->next = vnd;
 414
 415         BEGIN VENDOR_ATTRS;
 416 }
 417
 418 <VENDOR_ATTRS>{name_attr}               { ATTR_STR(vnd->desc); }
 419 <VENDOR_ATTRS>{vendor_attr}             { ATTR_STR(vnd->name); }
 420 <VENDOR_ATTRS>{code_attr}               { ATTR_UINT(vnd->code); }
 421 <VENDOR_ATTRS>{stop}                    |
 422 <VENDOR_ATTRS>{stop_end}                { BEGIN IN_APPL; }
 423
 424 <IN_APPL>{typedefn_start} {
 425         D(("typedefn_start\n"));
 426
 427         typedefn = g_new(ddict_typedefn_t,1);
 428         typedefn->name = NULL;
 429         typedefn->parent = NULL;
 430         typedefn->next = NULL;
 431
 432         if (!dict->typedefns) last_typedefn = dict->typedefns = typedefn;
 433         else last_typedefn = last_typedefn->next = typedefn;
 434
 435         BEGIN TYPEDEFN_ATTRS;
 436 }
 437
 438 <TYPEDEFN_ATTRS>{typename_attr}         { ATTR_STR(typedefn->name); }
 439 <TYPEDEFN_ATTRS>{typeparent_attr}       { ATTR_STR(typedefn->parent); }
 440 <TYPEDEFN_ATTRS>{stop}                  |
 441 <TYPEDEFN_ATTRS>{stop_end}              { BEGIN IN_APPL; }
 442
 443
 444 <IN_APPL>{avp_start}    {
 445         D(("avp_start\n"));
 446
 447         avp = g_new(ddict_avp_t,1);
 448         avp->name = NULL;
 449         avp->description = NULL;
 450         avp->vendor = NULL;
 451         avp->code = 0;
 452         avp->type = NULL;
 453         avp->enums = NULL;
 454         avp->gavps = NULL;
 455         avp->next = NULL;
 456
 457         if (! dict->avps ) last_avp = dict->avps = avp;
 458         else last_avp = last_avp->next = avp;
 459
 460         BEGIN AVP_ATTRS;
 461 }
 462
 463 <AVP_ATTRS>{name_attr}                  { ATTR_STR(avp->name); }
 464 <AVP_ATTRS>{description_attr}   { ATTR_STR(avp->description); }
 465 <AVP_ATTRS>{vendor_attr}                { ATTR_STR(avp->vendor); }
 466 <AVP_ATTRS>{code_attr}                  { ATTR_UINT(avp->code); }
 467 <AVP_ATTRS>{stop}                               { BEGIN IN_AVP;  }
 468 <AVP_ATTRS>{stop_end}                   { BEGIN IN_APPL; }
 469
 470
 471 <IN_AVP>{grouped_start} { avp->type = strdup("Grouped"); };
 472 <IN_AVP>{grouped_end} ;
 473
 474 <IN_AVP>{type_start} { BEGIN TYPE_ATTRS; }
 475 <TYPE_ATTRS>{typename_attr}                     { ATTR_STR(avp->type); }
 476
 477 <IN_AVP>{gavp_start} {
 478         D(("gavp_start\n"));
 479
 480         gavp = g_new(ddict_gavp_t,1);
 481         gavp->name = NULL;
 482         gavp->code = 0;
 483         gavp->next = NULL;
 484
 485         if (!avp->gavps) last_gavp = avp->gavps = gavp;
 486         else last_gavp = last_gavp->next = gavp;
 487
 488         BEGIN GAVP_ATTRS;
 489 }
 490
 491
 492 <GAVP_ATTRS>{name_attr}                 { ATTR_STR(gavp->name); }
 493
 494
 495 <IN_AVP>{enum_start} {
 496         D(("enum_start\n"));
 497
 498         enumitem = g_new(ddict_enum_t,1);
 499         enumitem->name = NULL;
 500         enumitem->code = 0;
 501         enumitem->next = NULL;
 502
 503         if (!avp->enums) last_enumitem = avp->enums = enumitem;
 504         else last_enumitem = last_enumitem->next = enumitem;
 505
 506         BEGIN ENUM_ATTRS;
 507 }
 508
 509
 510 <ENUM_ATTRS>{name_attr}                 { ATTR_STR(enumitem->name); }
 511 <ENUM_ATTRS>{code_attr}                 { ATTR_UINT(enumitem->code); }
 512
 513 <TYPE_ATTRS,GAVP_ATTRS,ENUM_ATTRS>{stop}                        { BEGIN IN_AVP; }
 514 <TYPE_ATTRS,GAVP_ATTRS,ENUM_ATTRS>{stop_end}            { BEGIN IN_AVP; }
 515
 516 <IN_AVP>{avp_end} { D(("avp_end")); BEGIN IN_APPL; }
 517
 518 <IN_APPL>{application_end} |
 519 <IN_APPL>{base_end} {
 520         BEGIN IN_DICT;
 521 }
 522
 523 <IN_DICT>{dictionary_end} {
 524         yyterminate();
 525 }
 526
 527 <AVP_ATTRS,ENUM_ATTRS,GAVP_ATTRS,TYPE_ATTRS,TYPEDEFN_ATTRS,VENDOR_ATTRS,APPL_ATTRS,COMMAND_ATTRS>{ignored_attr} IGNORE();
 528
 529 <OUTSIDE>. ;
 530
 531
 532
 533
 534
 535
 536 %%
 537
 538 static int debugging  = 0;
 539
 540 static void ddict_debug(const char* fmt, ...) {
 541         va_list ap;
 542
 543         va_start(ap, fmt);
 544         if (debugging) vfprintf(stderr, fmt, ap);
 545         va_end(ap);
 546
 547         fflush(stderr);
 548 }
 549
 550
 551 static char* strbuf = NULL;
 552 static char* write_ptr = NULL;
 553 static char* read_ptr = NULL;
 554
 555 static unsigned size_strbuf = 8192;
 556 static unsigned len_strbuf = 0;
 557
 558 extern void ddict_unused(void);
 559 void ddict_unused(void) {
 560         yy_top_state();
 561 }
 562
 563 static void append_to_buffer(const char* txt, int len) {
 564
 565         if (strbuf == NULL) {
 566                 read_ptr = write_ptr = strbuf = (char*)g_malloc(size_strbuf);
 567         }
 568
 569         if ( (len_strbuf + len) >= size_strbuf ) {
 570                 read_ptr = strbuf = (char*)g_realloc(strbuf,size_strbuf *= 2);
 571         }
 572
 573         write_ptr = strbuf + len_strbuf;
 574         strncpy(write_ptr,txt,len);
 575         len_strbuf += len;
 576
 577 }
 578
 579 static size_t file_input(char* buf, size_t max) {
 580         size_t read_cnt;
 581
 582         read_cnt = fread(buf,1,max,yyin);
 583
 584         if ( read_cnt == max ) {
 585                 return max;
 586         } else if (read_cnt > 0) {
 587                 return read_cnt;
 588         } else {
 589                 return YY_NULL;
 590         }
 591 }
 592
 593
 594 static size_t string_input(char* buf, size_t max) {
 595         if (read_ptr >= write_ptr ) {
 596                 return YY_NULL;
 597         } else if ( read_ptr + max > write_ptr ) {
 598                 max = write_ptr - read_ptr;
 599         }
 600
 601         memcpy(buf,read_ptr,max);
 602         read_ptr += max;
 603
 604         return max;
 605 }
 606
 607 static FILE* ddict_open(const char* system_directory, const char* filename) {
 608         FILE* fh;
 609         char* fname;
 610         if (system_directory) {
 611                 fname = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s",
 612                     system_directory,filename);
 613         } else {
 614                 fname = g_strdup(filename);
 615         }
 616
 617         fh = ws_fopen(fname,"r");
 618
 619         D(("fname: %s fh: %p\n",fname,fh));
 620
 621         g_free(fname);
 622
 623
 624         return fh;
 625 }
 626
 627 ddict_t* ddict_scan(const char* system_directory, const char* filename, int dbg) {
 628
 629         debugging = dbg;
 630
 631         sys_dir = system_directory;
 632
 633         yyin = ddict_open(sys_dir,filename);
 634
 635         if (yyin == NULL) {
 636                 D(("unable to open %s\n", filename));
 637                 return NULL;
 638         }
 639
 640         write_ptr = NULL;
 641         read_ptr = NULL;
 642
 643         dict = g_new(ddict_t,1);
 644         dict->applications = NULL;
 645         dict->cmds = NULL;
 646         dict->vendors = NULL;
 647         dict->typedefns = NULL;
 648         dict->avps = NULL;
 649         dict->xmlpis = NULL;
 650
 651         appl = NULL;
 652         avp = NULL;
 653         enumitem = NULL;
 654         gavp = NULL;
 655         typedefn = NULL;
 656         cmd = NULL;
 657         vnd = NULL;
 658         xmlpi = NULL;
 659
 660         last_appl = NULL;
 661         last_avp = NULL;
 662         last_enumitem = NULL;
 663         last_gavp = NULL;
 664         last_typedefn = NULL;
 665         last_cmd = NULL;
 666         last_vnd = NULL;
 667         last_xmlpi = NULL;
 668
 669         ents.next = NULL;
 670         current_yyinput = file_input;
 671         BEGIN LOADING;
 672         yylex();
 673
 674         D(("\n---------------\n%s\n------- %d -------\n",strbuf,len_strbuf));
 675
 676         current_yyinput = string_input;
 677
 678         BEGIN OUTSIDE;
 679         yylex();
 680
 681         g_free(strbuf);
 682         strbuf = NULL;
 683         size_strbuf = 8192;
 684
 685         return dict;
 686 }
 687
 688 void ddict_free(ddict_t* d) {
 689         ddict_application_t *p, *pn;
 690         ddict_vendor_t *v, *vn;
 691         ddict_cmd_t *c, *cn;
 692         ddict_typedefn_t *t, *tn;
 693         ddict_avp_t *a, *an;
 694
 695 #define FREE_NAMEANDOBJ(n) do { if(n->name) g_free(n->name); g_free(n); } while(0)
 696
 697         for (p = d->applications; p; p = pn ) {
 698                 pn = p->next;
 699                 FREE_NAMEANDOBJ(p);
 700         }
 701
 702         for (v = d->vendors; v; v = vn) {
 703                 vn = v->next;
 704                 if (!v->desc)  g_free(v->desc);
 705                 FREE_NAMEANDOBJ(v);
 706         }
 707
 708         for (c = d->cmds; c; c = cn ) {
 709                 cn = c->next;
 710                 FREE_NAMEANDOBJ(c);
 711         }
 712
 713         for (t = d->typedefns; t; t = tn) {
 714                 tn = t->next;
 715                 if (!t->parent)  g_free(t->parent);
 716                 FREE_NAMEANDOBJ(t);
 717         }
 718
 719         for (a = d->avps; a; a = an) {
 720                 ddict_gavp_t* g, *gn;
 721                 ddict_enum_t* e, *en;
 722                 an = a->next;
 723
 724                 for (g = a->gavps; g; g = gn) {
 725                         gn = g->next;
 726                         FREE_NAMEANDOBJ(g);
 727                 }
 728
 729                 for (e = a->enums; e; e = en) {
 730                         en = e->next;
 731                         FREE_NAMEANDOBJ(e);
 732                 }
 733
 734                 if (!a->vendor)  g_free(a->vendor);
 735                 if (!a->type)  g_free(a->type);
 736                 if (!a->description)  g_free(a->description);
 737                 FREE_NAMEANDOBJ(a);
 738         }
 739
 740         g_free(d);
 741 }
 742
 743 void ddict_print(FILE* fh, ddict_t* d) {
 744         ddict_application_t* p;
 745         ddict_vendor_t* v;
 746         ddict_cmd_t* c;
 747         ddict_typedefn_t* t;
 748         ddict_avp_t* a;
 749
 750
 751         for (p = d->applications; p; p = p->next) {
 752                 fprintf(fh,"Application: %s[%u]:\n",
 753                                 p->name ? p->name : "-",
 754                                 p->code);
 755         }
 756
 757         for (v = d->vendors; v; v = v->next) {
 758                 fprintf(fh,"Vendor: %s[%u]:\n",
 759                                 v->name ? v->name : "-",
 760                                 v->code);
 761         }
 762
 763         for (c = d->cmds; c; c = c->next) {
 764                 fprintf(fh,"Command: %s[%u] \n",
 765                                 c->name ? c->name : "-",
 766                                 c->code);
 767         }
 768
 769         for (t = d->typedefns; t; t = t->next) {
 770                 fprintf(fh,"Type: %s -> %s \n",
 771                                 t->name ? t->name : "-",
 772                                 t->parent ? t->parent : "" );
 773         }
 774
 775         for (a = d->avps; a; a = a->next) {
 776                 ddict_gavp_t* g;
 777                 ddict_enum_t* e;
 778                 fprintf(fh,"AVP: %s[%u:%s] %s %s\n",
 779                                 a->name ? a->name : "-",
 780                                 a->code,
 781                                 a->vendor ? a->vendor : "None",
 782                                 a->type ? a->type : "-",
 783                                 a->description ? a->description : "");
 784
 785                 for (g = a->gavps; g; g = g->next) {
 786                         fprintf(fh,"\tGAVP: %s\n",
 787                                         g->name ? g->name : "-" );
 788                 }
 789
 790                 for (e = a->enums; e; e = e->next) {
 791                         fprintf(fh,"\tEnum: %s[%u]\n",
 792                                         e->name ? e->name : "-",
 793                                         e->code);
 794                 }
 795         }
 796 }
 797
 798 /*
 799  * We want to stop processing when we get to the end of the input.
 800  * (%option noyywrap is not used because if used then
 801  * some flex versions (eg: 2.5.35) generate code which causes
 802  * warnings by the Windows VC compiler).
 803  */
 804
 805 int yywrap(void) {
 806     return 1;
 807 }
 808
 809 #ifdef TEST_DIAM_DICT_STANDALONE
 810 int main(int argc, char** argv) {
 811         ddict_t* d;
 812         char* dname = NULL;
 813         char* fname;
 814         int i = 1;
 815
 816         switch (argc) {
 817                 case 3:
 818                         dname = argv[i++];
 819                 case 2:
 820                         fname = argv[i];
 821                         break;
 822                 default:
 823                         fprintf(stderr,"%s: usage [dictionary_dir] dictionary_filename\n",argv[0]);
 824                         return 1;
 825         }
 826
 827         d = ddict_scan(dname,fname,1);
 828         if (d == NULL) {
 829                 fprintf(stderr, "Can't open dictionary\n");
 830                 return 2;
 831         }
 832
 833         ddict_print(stdout, d);
 834
 835         return 0;
 836 }
 837 #endif