reactos/tools/create_nls/create_nls.c

   1 /*
   2  * Tool for creating NT-like NLS files for Unicode <-> Codepage conversions.
   3  * Tool for creating NT-like l_intl.nls file for case mapping of unicode
   4  * characters.
   5  * Copyright 2000 Timoshkov Dmitry
   6  * Copyright 2001 Matei Alexandru
   7  *
   8  * Sources of information:
   9  * Andrew Kozin's YAW project http://www.chat.ru/~stanson/yaw_en.html
  10  * Ove Kõven's investigations http://www.ping.uio.no/~ovehk/nls
  11  */
  12 #include <windows.h>
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <malloc.h>
  16 #include <string.h>
  17 #include <ctype.h>
  18
  19 static const WCHAR * const uprtable[256];
  20 static const WCHAR * const lwrtable[256];
  21
  22 #define NLSDIR "../../media/nls"
  23 #define LIBDIR "unicode.org/"
  24
  25 typedef struct {
  26     WORD wSize; /* in words 0x000D */
  27     WORD CodePage;
  28     WORD MaxCharSize; /* 1 or 2 */
  29     BYTE DefaultChar[MAX_DEFAULTCHAR];
  30     WCHAR UnicodeDefaultChar;
  31     WCHAR unknown1;
  32     WCHAR unknown2;
  33     BYTE LeadByte[MAX_LEADBYTES];
  34 } __attribute__((packed)) NLS_FILE_HEADER;
  35
  36 /*
  37 Support for translation from the multiple unicode chars
  38 to the single code page char.
  39
  40 002D;HYPHEN-MINUS;Pd;0;ET;;;;;N;;;;;
  41 00AD;SOFT HYPHEN;Pd;0;ON;;;;;N;;;;;
  42 2010;HYPHEN;Pd;0;ON;;;;;N;;;;;
  43 2011;NON-BREAKING HYPHEN;Pd;0;ON;<noBreak> 2010;;;;N;;;;;
  44 2013;EN DASH;Pd;0;ON;;;;;N;;;;;
  45 2014;EM DASH;Pd;0;ON;;;;;N;;;;;
  46 2015;HORIZONTAL BAR;Pd;0;ON;;;;;N;QUOTATION DASH;;;;
  47 */
  48
  49 /* HYPHEN-MINUS aliases */
  50 static WCHAR hyphen_aliases[] = {0x00AD,0x2010,0x2011,0x2013,0x2014,0x2015,0};
  51
  52 static struct {
  53     WCHAR cp_char;
  54     WCHAR *alias; /* must be 0 terminated */
  55 } u2cp_alias[] = {
  56 /* HYPHEN-MINUS aliases */
  57 {0x002D, hyphen_aliases}
  58 };
  59
  60 static void patch_aliases(void *u2cp, CPINFOEXA *cpi)
  61 {
  62     int i, j;
  63     WCHAR *wc, *alias;
  64     BYTE *c;
  65
  66     if(cpi->MaxCharSize == 2) {
  67         wc = (WCHAR *)u2cp;
  68         for(i = 0; i < 65536; i++) {
  69             for(j = 0; j < sizeof(u2cp_alias)/sizeof(u2cp_alias[0]); j++) {
  70                 alias = u2cp_alias[j].alias;
  71                 while(*alias) {
  72                     if(*alias == i && wc[i] == *(WCHAR *)cpi->DefaultChar) {
  73                         wc[i] = u2cp_alias[j].cp_char;
  74                     }
  75                     alias++;
  76                 }
  77             }
  78         }
  79     }
  80     else {
  81         c = (BYTE *)u2cp;
  82         for(i = 0; i < 65536; i++) {
  83             for(j = 0; j < sizeof(u2cp_alias)/sizeof(u2cp_alias[0]); j++) {
  84                 alias = u2cp_alias[j].alias;
  85                 while(*alias) {
  86                     if(*alias == i && c[i] == cpi->DefaultChar[0] && u2cp_alias[j].cp_char < 256) {
  87                         c[i] = (BYTE)u2cp_alias[j].cp_char;
  88                     }
  89                     alias++;
  90                 }
  91             }
  92         }
  93     }
  94 }
  95
  96 static BOOL write_unicode2cp_table(FILE *out, CPINFOEXA *cpi, WCHAR *table)
  97 {
  98     void *u2cp;
  99     WCHAR *wc;
 100     CHAR *c;
 101     int i;
 102     BOOL ret = TRUE;
 103
 104     u2cp = malloc(cpi->MaxCharSize * 65536);
 105     if(!u2cp) {
 106         printf("Not enough memory for Unicode to Codepage table\n");
 107         return FALSE;
 108     }
 109
 110     if(cpi->MaxCharSize == 2) {
 111         wc = (WCHAR *)u2cp;
 112         for(i = 0; i < 65536; i++)
 113             wc[i] = *(WCHAR *)cpi->DefaultChar;
 114
 115         for(i = 0; i < 65536; i++)
 116             if (table[i] != '?')
 117                 wc[table[i]] = (WCHAR)i;
 118     }
 119     else {
 120         c = (CHAR *)u2cp;
 121         for(i = 0; i < 65536; i++)
 122             c[i] = cpi->DefaultChar[0];
 123
 124         for(i = 0; i < 256; i++)
 125             if (table[i] != '?')
 126                 c[table[i]] = (CHAR)i;
 127     }
 128
 129     patch_aliases(u2cp, cpi);
 130
 131     if(fwrite(u2cp, 1, cpi->MaxCharSize * 65536, out) != cpi->MaxCharSize * 65536)
 132         ret = FALSE;
 133
 134     free(u2cp);
 135
 136     return ret;
 137 }
 138
 139 static BOOL write_lb_ranges(FILE *out, CPINFOEXA *cpi, WCHAR *table)
 140 {
 141     WCHAR sub_table[256];
 142     WORD offset, offsets[256];
 143     int i, j, range;
 144
 145     memset(offsets, 0, sizeof(offsets));
 146
 147     offset = 0;
 148
 149     for(i = 0; i < MAX_LEADBYTES; i += 2) {
 150         for(range = cpi->LeadByte[i]; range != 0 && range <= cpi->LeadByte[i + 1]; range++) {
 151             offset += 256;
 152             offsets[range] = offset;
 153         }
 154     }
 155
 156     if(fwrite(offsets, 1, sizeof(offsets), out) != sizeof(offsets))
 157         return FALSE;
 158
 159     for(i = 0; i < MAX_LEADBYTES; i += 2) {
 160         for(range = cpi->LeadByte[i]; range != 0 && range <= cpi->LeadByte[i + 1]; range++) {
 161             /*printf("Writing sub table for LeadByte %02X\n", range);*/
 162             for(j = MAKEWORD(0, range); j <= MAKEWORD(0xFF, range); j++) {
 163                 sub_table[j - MAKEWORD(0, range)] = table[j];
 164             }
 165
 166             if(fwrite(sub_table, 1, sizeof(sub_table), out) != sizeof(sub_table))
 167                 return FALSE;
 168         }
 169     }
 170
 171     return TRUE;
 172 }
 173
 174 static BOOL create_nls_file(char *name, CPINFOEXA *cpi, WCHAR *table, WCHAR *oemtable)
 175 {
 176     FILE *out;
 177     NLS_FILE_HEADER nls;
 178     WORD wValue, number_of_lb_ranges, number_of_lb_subtables, i;
 179
 180     printf("Creating NLS table \"%s\"\n", name);
 181
 182     if(!(out = fopen(name, "wb"))) {
 183         printf("Could not create file \"%s\"\n", name);
 184         return FALSE;
 185     }
 186
 187     memset(&nls, 0, sizeof(nls));
 188
 189     nls.wSize = sizeof(nls) / sizeof(WORD);
 190     nls.CodePage = cpi->CodePage;
 191     nls.MaxCharSize = cpi->MaxCharSize;
 192     memcpy(nls.DefaultChar, cpi->DefaultChar, MAX_DEFAULTCHAR);
 193     nls.UnicodeDefaultChar = cpi->UnicodeDefaultChar;
 194     nls.unknown1 = '?';
 195     nls.unknown2 = '?';
 196     memcpy(nls.LeadByte, cpi->LeadByte, MAX_LEADBYTES);
 197
 198     if(fwrite(&nls, 1, sizeof(nls), out) != sizeof(nls)) {
 199         fclose(out);
 200         printf("Could not write to file \"%s\"\n", name);
 201         return FALSE;
 202     }
 203
 204     number_of_lb_ranges = 0;
 205     number_of_lb_subtables = 0;
 206
 207     for(i = 0; i < MAX_LEADBYTES; i += 2) {
 208         if(cpi->LeadByte[i] != 0 && cpi->LeadByte[i + 1] > cpi->LeadByte[i]) {
 209             number_of_lb_ranges++;
 210             number_of_lb_subtables += cpi->LeadByte[i + 1] - cpi->LeadByte[i] + 1;
 211         }
 212     }
 213
 214     /*printf("Number of LeadByte ranges %d\n", number_of_lb_ranges);*/
 215     /*printf("Number of LeadByte subtables %d\n", number_of_lb_subtables);*/
 216
 217     /* Calculate offset to Unicode to CP table in words:
 218      *  1. (256 * sizeof(WORD)) primary CP to Unicode table +
 219      *  2. (WORD) optional OEM glyph table size in words +
 220      *  3. OEM glyph table size in words * sizeof(WORD) +
 221      *  4. (WORD) Number of DBCS LeadByte ranges +
 222      *  5. if (Number of DBCS LeadByte ranges != 0) 256 * sizeof(WORD) offsets of lead byte sub tables
 223      *  6. (Number of DBCS LeadByte sub tables * 256 * sizeof(WORD)) LeadByte sub tables +
 224      *  7. (WORD) Unknown flag
 225      */
 226
 227     wValue = (256 * sizeof(WORD) + /* 1 */
 228               sizeof(WORD) + /* 2 */
 229               ((oemtable !=NULL) ? (256 * sizeof(WORD)) : 0) + /* 3 */
 230               sizeof(WORD) + /* 4 */
 231               ((number_of_lb_subtables != 0) ? 256 * sizeof(WORD) : 0) + /* 5 */
 232               number_of_lb_subtables * 256 * sizeof(WORD) + /* 6 */
 233               sizeof(WORD) /* 7 */
 234               ) / sizeof(WORD);
 235
 236     /* offset of Unicode to CP table in words */
 237     fwrite(&wValue, 1, sizeof(wValue), out);
 238
 239     /* primary CP to Unicode table */
 240     if(fwrite(table, 1, 256 * sizeof(WCHAR), out) != 256 * sizeof(WCHAR)) {
 241         fclose(out);
 242         printf("Could not write to file \"%s\"\n", name);
 243         return FALSE;
 244     }
 245
 246     /* optional OEM glyph table size in words */
 247     wValue = (oemtable != NULL) ? (256 * sizeof(WORD)) : 0;
 248     fwrite(&wValue, 1, sizeof(wValue), out);
 249
 250     /* optional OEM to Unicode table */
 251     if (oemtable) {
 252         if(fwrite(oemtable, 1, 256 * sizeof(WCHAR), out) != 256 * sizeof(WCHAR)) {
 253             fclose(out);
 254             printf("Could not write to file \"%s\"\n", name);
 255             return FALSE;
 256         }
 257     }
 258
 259     /* Number of DBCS LeadByte ranges */
 260     fwrite(&number_of_lb_ranges, 1, sizeof(number_of_lb_ranges), out);
 261
 262     /* offsets of lead byte sub tables and lead byte sub tables */
 263     if(number_of_lb_ranges > 0) {
 264         if(!write_lb_ranges(out, cpi, table)) {
 265             fclose(out);
 266             printf("Could not write to file \"%s\"\n", name);
 267             return FALSE;
 268         }
 269     }
 270
 271     /* Unknown flag */
 272     wValue = 0;
 273     fwrite(&wValue, 1, sizeof(wValue), out);
 274
 275     if(!write_unicode2cp_table(out, cpi, table)) {
 276         fclose(out);
 277         printf("Could not write to file \"%s\"\n", name);
 278         return FALSE;
 279     }
 280
 281     fclose(out);
 282     return TRUE;
 283 }
 284
 285 /* correct the codepage information such as default chars */
 286 static void patch_codepage_info(CPINFOEXA *cpi)
 287 {
 288     /* currently nothing */
 289 }
 290
 291 static WCHAR *Load_CP2Unicode_Table(char *table_name, UINT cp, CPINFOEXA *cpi)
 292 {
 293     char buf[256];
 294     char *p;
 295     DWORD n, value;
 296     FILE *file;
 297     WCHAR *table;
 298     int lb_ranges, lb_range_started, line;
 299
 300     printf("Loading translation table \"%s\"\n", table_name);
 301
 302     /* Init to default values */
 303     memset(cpi, 0, sizeof(CPINFOEXA));
 304     cpi->CodePage = cp;
 305     *(WCHAR *)cpi->DefaultChar = '?';
 306     cpi->MaxCharSize = 1;
 307     cpi->UnicodeDefaultChar = '?';
 308
 309     patch_codepage_info(cpi);
 310
 311     table = (WCHAR *)malloc(sizeof(WCHAR) * 65536);
 312     if(!table) {
 313         printf("Not enough memory for Codepage to Unicode table\n");
 314         return NULL;
 315     }
 316
 317     for(n = 0; n < 256; n++)
 318         table[n] = (WCHAR)n;
 319
 320     for(n = 256; n < 65536; n++)
 321         table[n] = cpi->UnicodeDefaultChar;
 322
 323     file = fopen(table_name, "r");
 324     if(file == NULL) {
 325         free(table);
 326         return NULL;
 327     }
 328
 329     line = 0;
 330     lb_ranges = 0;
 331     lb_range_started = 0;
 332
 333     while(fgets(buf, sizeof(buf), file)) {
 334         line++;
 335         p = buf;
 336         while(isspace(*p)) p++;
 337
 338         if(!*p || p[0] == '#')
 339             continue;
 340
 341         n = strtol(p, &p, 0);
 342         if(n > 0xFFFF) {
 343             printf("Line %d: Entry 0x%06lX: File \"%s\" corrupted\n", line, n, table_name);
 344             continue;
 345         }
 346
 347         if(n > 0xFF && cpi->MaxCharSize != 2) {
 348             /*printf("Line %d: Entry 0x%04lX: Switching to DBCS\n", line, n);*/
 349             cpi->MaxCharSize = 2;
 350         }
 351
 352         while(isspace(*p)) p++;
 353
 354         if(!*p || p[0] == '#') {
 355             /*printf("Line %d: Entry 0x%02lX has no Unicode value\n", line, n);*/
 356         }
 357         else {
 358             value = strtol(p, &p, 0);
 359             if(value > 0xFFFF) {
 360                 printf("Line %d: Entry 0x%06lX unicode value: File \"%s\" corrupted\n", line, n, table_name);
 361             }
 362             table[n] = (WCHAR)value;
 363         }
 364
 365         /* wait for comment */
 366         while(*p && *p != '#') p++;
 367
 368         if(*p == '#' && strstr(p, "DBCS LEAD BYTE")) {
 369             /*printf("Line %d, entry 0x%02lX DBCS LEAD BYTE\n", line, n);*/
 370             if(n > 0xFF) {
 371                 printf("Line %d: Entry 0x%04lX: Error: DBCS lead byte overflowed\n", line, n);
 372                 continue;
 373             }
 374
 375             table[n] = (WCHAR)0;
 376
 377             if(lb_range_started) {
 378                 cpi->LeadByte[(lb_ranges - 1) * 2 + 1] = (BYTE)n;
 379             }
 380             else {
 381                 /*printf("Line %d: Starting new DBCS lead byte range, entry 0x%02lX\n", line, n);*/
 382                 if(lb_ranges < MAX_LEADBYTES/2) {
 383                     lb_ranges++;
 384                     lb_range_started = 1;
 385                     cpi->LeadByte[(lb_ranges - 1) * 2] = (BYTE)n;
 386                 }
 387                 else
 388                     printf("Line %d: Error: could not start new lead byte range\n", line);
 389             }
 390         }
 391         else {
 392             if(lb_range_started)
 393                 lb_range_started = 0;
 394         }
 395     }
 396
 397     fclose(file);
 398
 399     return table;
 400 }
 401
 402 static WCHAR *Load_OEM2Unicode_Table(char *table_name, WCHAR *def_table, UINT cp, CPINFOEXA *cpi)
 403 {
 404     char buf[256];
 405     char *p;
 406     DWORD n, value;
 407     FILE *file;
 408     WCHAR *table;
 409     int line;
 410
 411     printf("Loading oem glyph table \"%s\"\n", table_name);
 412
 413     table = (WCHAR *)malloc(sizeof(WCHAR) * 65536);
 414     if(!table) {
 415         printf("Not enough memory for Codepage to Unicode table\n");
 416         return NULL;
 417     }
 418
 419     memcpy(table, def_table, 65536 * sizeof(WCHAR));
 420
 421     file = fopen(table_name, "r");
 422     if(file == NULL) {
 423         free(table);
 424         return NULL;
 425     }
 426
 427     while(fgets(buf, sizeof(buf), file)) {
 428         line++;
 429         p = buf;
 430         while(isspace(*p)) p++;
 431
 432         if(!*p || p[0] == '#')
 433             continue;
 434
 435         value = strtol(p, &p, 16);
 436         if(value > 0xFFFF) {
 437             printf("Line %d: Entry 0x%06lX: File \"%s\" corrupted\n", line, value, table_name);
 438             continue;
 439         }
 440
 441         while(isspace(*p)) p++;
 442
 443         if(!*p || p[0] == '#') {
 444             /*printf("Line %d: Entry 0x%02lX has no Unicode value\n", line, n);*/
 445             continue;
 446         }
 447         else {
 448             n = strtol(p, &p, 16);
 449             if(n > 0xFFFF) {
 450                 printf("Line %d: Entry 0x%06lX unicode value: File \"%s\" corrupted\n", line, value, table_name);
 451                 continue;
 452             }
 453         }
 454
 455         if (cpi->CodePage == 864) {
 456             while(isspace(*p)) p++;
 457
 458             if(!*p || p[0] == '#' || p[0] == '-') {
 459                 /*printf("Line %d: Entry 0x%02lX has no Unicode value\n", line, n);*/
 460                 continue;
 461             }
 462             else {
 463                 n = strtol(p, &p, 16);
 464                 if(n > 0xFFFF) {
 465                     printf("Line %d: Entry 0x%06lX oem value: File \"%s\" corrupted\n", line, value, table_name);
 466                 }
 467                 continue;
 468             }
 469         }
 470
 471         table[n] = (WCHAR)value;
 472     }
 473
 474     fclose(file);
 475
 476     return table;
 477 }
 478
 479 int write_nls_files()
 480 {
 481     WCHAR *table;
 482     WCHAR *oemtable;
 483     char nls_filename[256];
 484     CPINFOEXA cpi;
 485     int i;
 486     struct code_page {
 487         UINT cp;
 488         BOOL oem;
 489         char *table_filename;
 490         char *comment;
 491     } pages[] = {
 492         {37,  FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/EBCDIC/CP037.TXT", "IBM EBCDIC US Canada"},
 493         {424, FALSE, LIBDIR"MAPPINGS/VENDORS/MISC/CP424.TXT", "IBM EBCDIC Hebrew"},
 494         {437, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP437.TXT", "OEM United States"},
 495         {500, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/EBCDIC/CP500.TXT", "IBM EBCDIC International"},
 496         /*{708, FALSE, "", "Arabic ASMO"},*/
 497         /*{720, FALSE, "", "Arabic Transparent ASMO"},*/
 498         {737, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP737.TXT", "OEM Greek 437G"},
 499         {775, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP775.TXT", "OEM Baltic"},
 500         {850, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP850.TXT", "OEM Multilingual Latin 1"},
 501         {852, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP852.TXT", "OEM Slovak Latin 2"},
 502         {855, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP855.TXT", "OEM Cyrillic" },
 503         {856, TRUE,  LIBDIR"MAPPINGS/VENDORS/MISC/CP856.TXT", "Hebrew PC"},
 504         {857, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP857.TXT", "OEM Turkish"},
 505         {860, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP860.TXT", "OEM Portuguese"},
 506         {861, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP861.TXT", "OEM Icelandic"},
 507         {862, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP862.TXT", "OEM Hebrew"},
 508         {863, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP863.TXT", "OEM Canadian French"},
 509         {864, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP864.TXT", "OEM Arabic"},
 510         {865, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP865.TXT", "OEM Nordic"},
 511         {866, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP866.TXT", "OEM Russian"},
 512         {869, TRUE,  LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP869.TXT", "OEM Greek"},
 513         /*{870, FALSE, "", "IBM EBCDIC Multilingual/ROECE (Latin 2)"},*/
 514         {874, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/PC/CP874.TXT", "ANSI/OEM Thai"},
 515         {875, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/EBCDIC/CP875.TXT", "IBM EBCDIC Greek"},
 516         {878, FALSE, LIBDIR"MAPPINGS/VENDORS/MISC/KOI8-R.TXT", "Russian KOI8"},
 517         {932, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP932.TXT", "ANSI/OEM Japanese Shift-JIS"},
 518         {936, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP936.TXT", "ANSI/OEM Simplified Chinese GBK"},
 519         {949, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP949.TXT", "ANSI/OEM Korean Unified Hangul"},
 520         {950, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP950.TXT", "ANSI/OEM Traditional Chinese Big5"},
 521         {1006, FALSE, LIBDIR"MAPPINGS/VENDORS/MISC/CP1006.TXT", "IBM Arabic"},
 522         {1026, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/EBCDIC/CP1026.TXT", "IBM EBCDIC Latin 5 Turkish"},
 523         {1250, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1250.TXT", "ANSI Eastern Europe"},
 524         {1251, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1251.TXT", "ANSI Cyrillic"},
 525         {1252, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1252.TXT", "ANSI Latin 1"},
 526         {1253, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1253.TXT", "ANSI Greek"},
 527         {1254, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1254.TXT", "ANSI Turkish"},
 528         {1255, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1255.TXT", "ANSI Hebrew"},
 529         {1256, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1256.TXT", "ANSI Arabic"},
 530         {1257, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1257.TXT", "ANSI Baltic"},
 531         {1258, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/WINDOWS/CP1258.TXT", "ANSI/OEM Viet Nam"},
 532         {10000, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/MAC/ROMAN.TXT", "Mac Roman"},
 533         {10006, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/MAC/GREEK.TXT", "Mac Greek"},
 534         {10007, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/MAC/CYRILLIC.TXT", "Mac Cyrillic"},
 535         {10029, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/MAC/LATIN2.TXT", "Mac Latin 2"},
 536         {10079, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/MAC/ICELAND.TXT", "Mac Icelandic"},
 537         {10081, FALSE, LIBDIR"MAPPINGS/VENDORS/MICSFT/MAC/TURKISH.TXT", "Mac Turkish"},
 538         /*{20000, FALSE, "", "CNS Taiwan"},*/
 539         /*{20001, FALSE, "", "TCA Taiwan"},*/
 540         /*{20002, FALSE, "", "Eten Taiwan"},*/
 541         /*{20003, FALSE, "", "IBM5550 Taiwan"},*/
 542         /*{20004, FALSE, "", "TeleText Taiwan"},*/
 543         /*{20005, FALSE, "", "Wang Taiwan"},*/
 544         /*{20105, FALSE, "", "IA5 IRV International Alphabet No.5"},*/
 545         /*{20106, FALSE, "", "IA5 German"},*/
 546         /*{20107, FALSE, "", "IA5 Swedish"},*/
 547         /*{20108, FALSE, "", "IA5 Norwegian"},*/
 548         /*{20127, FALSE, "", "US ASCII"}, */
 549         /*{20261, FALSE, "", "T.61"},*/
 550         /*{20269, FALSE, "", "ISO 6937 NonSpacing Accent"},*/
 551         /*{20273, FALSE, "", "IBM EBCDIC Germany"},*/
 552         /*{20277, FALSE, "", "IBM EBCDIC Denmark/Norway"},*/
 553         /*{20278, FALSE, "", "IBM EBCDIC Finland/Sweden"},*/
 554         /*{20280, FALSE, "", "IBM EBCDIC Italy"},*/
 555         /*{20284, FALSE, "", "IBM EBCDIC Latin America/Spain"},*/
 556         /*{20285, FALSE, "", "IBM EBCDIC United Kingdom"},*/
 557         /*{20290, FALSE, "", "IBM EBCDIC Japanese Katakana Extended"},*/
 558         /*{20297, FALSE, "", "IBM EBCDIC France"},*/
 559         /*{20420, FALSE, "", "IBM EBCDIC Arabic"},*/
 560         /*{20423, FALSE, "IBM869.TXT", "IBM EBCDIC Greek"},*/
 561         /*{20424, FALSE, "", "IBM EBCDIC Hebrew"},*/
 562         /*{20833, FALSE, "", "IBM EBCDIC Korean Extended"},*/
 563         /*{20838, FALSE, "", "IBM EBCDIC Thai"},*/
 564         {20871, FALSE, "ReactOS/IBMCP861.TXT", "IBM EBCDIC Icelandic"},
 565         /*{20880, FALSE, "", "IBM EBCDIC Cyrillic (Russian)"},*/
 566         {20866, FALSE, LIBDIR"MAPPINGS/VENDORS/MISC/KOI8-R.TXT", "Russian KOI8"},
 567         /*{20905, FALSE, "", "IBM EBCDIC Turkish"},*/
 568         /*{21025, FALSE, "", "IBM EBCDIC Cyrillic (Serbian, Bulgarian)"},*/
 569         /*{21027, FALSE, "", "Ext Alpha Lowercase"},*/
 570         {28591, FALSE, LIBDIR"MAPPINGS/ISO8859/8859-1.TXT", "ISO 8859-1 Latin 1"},
 571         {28592, FALSE, LIBDIR"MAPPINGS/ISO8859/8859-2.TXT", "ISO 8859-2 Eastern Europe"},
 572         {28593, FALSE, LIBDIR"MAPPINGS/ISO8859/8859-3.TXT", "ISO 8859-3 Turkish"},
 573         {28594, FALSE, LIBDIR"MAPPINGS/ISO8859/8859-4.TXT", "ISO 8859-4 Baltic"},
 574         {28595, FALSE, LIBDIR"MAPPINGS/ISO8859/8859-5.TXT", "ISO 8859-5 Cyrillic"},
 575         {28596, FALSE, LIBDIR"MAPPINGS/ISO8859/8859-6.TXT", "ISO 8859-6 Arabic"},
 576         {28597, FALSE, LIBDIR"MAPPINGS/ISO8859/8859-7.TXT", "ISO 8859-7 Greek"},
 577         {28598, FALSE, LIBDIR"MAPPINGS/ISO8859/8859-8.TXT", "ISO 8859-8 Hebrew"},
 578         {28599, FALSE, LIBDIR"MAPPINGS/ISO8859/8859-9.TXT", "ISO 8859-9 Latin 5"}
 579     };
 580
 581     for(i = 0; i < sizeof(pages)/sizeof(pages[0]); i++) {
 582         table = Load_CP2Unicode_Table(pages[i].table_filename, pages[i].cp, &cpi);
 583         if(!table) {
 584             printf("Could not load \"%s\" (%s)\n", pages[i].table_filename, pages[i].comment);
 585             continue;
 586         }
 587
 588         if (pages[i].oem) {
 589             oemtable = Load_OEM2Unicode_Table(LIBDIR"MAPPINGS/VENDORS/MISC/IBMGRAPH.TXT", table, pages[i].cp, &cpi);
 590             if(!oemtable) {
 591                 printf("Could not load \"%s\" (%s)\n", LIBDIR"MAPPINGS/VENDORS/MISC/IBMGRAPH.TXT", "IBM OEM glyph table");
 592                 continue;
 593             }
 594         }
 595
 596         sprintf(nls_filename, "%s/c_%03d.nls", NLSDIR, cpi.CodePage);
 597         if(!create_nls_file(nls_filename, &cpi, table, pages[i].oem ? oemtable : NULL)) {
 598             printf("Could not write \"%s\" (%s)\n", nls_filename, pages[i].comment);
 599         }
 600
 601         if (pages[i].oem)
 602             free(oemtable);
 603
 604         free(table);
 605     }
 606
 607     return 0;
 608 }
 609
 610
 611
 612 static WORD *to_upper_org = NULL, *to_lower_org = NULL;
 613
 614 #if 0
 615 static WORD diffs[256];
 616 static int number_of_diffs;
 617 #endif
 618
 619 static WORD number_of_subtables_with_diffs;
 620 /* pointers to subtables with 16 elements in each to the main table */
 621 static WORD *subtables_with_diffs[4096];
 622
 623 static WORD number_of_subtables_with_offsets;
 624 /* subtables with 16 elements  */
 625 static WORD subtables_with_offsets[4096 * 16];
 626
 627 static void test_packed_table(WCHAR *table)
 628 {
 629     WCHAR test_str[] = L"This is an English text. \x0CF\x0EE-\x0F0\x0F3\x0F1\x0F1\x0EA\x0E8 \x0FF \x0EF\x0E8\x0F1\x0E0\x0F2\x0FC \x0F3\x0EC\x0E5\x0FE \x0ED\x0E5\x0EC\x0ED\x0EE\x0E6\x0EA\x0EE. 1234567890";
 630     //WORD diff, off;
 631     //WORD *sub_table;
 632     DWORD i, len;
 633
 634     len = lstrlenW(test_str);
 635
 636     for(i = 0; i < len + 1; i++) {
 637         /*off = table[HIBYTE(test_str[i])];
 638
 639         sub_table = table + off;
 640         off = sub_table[LOBYTE(test_str[i]) >> 4];
 641
 642         sub_table = table + off;
 643         off = LOBYTE(test_str[i]) & 0x0F;
 644
 645         diff = sub_table[off];
 646
 647         test_str[i] += diff;*/
 648         test_str[i] += table[table[table[HIBYTE(test_str[i])] + (LOBYTE(test_str[i]) >> 4)] + (LOBYTE(test_str[i]) & 0x0F)];
 649     }
 650 /*
 651     {
 652         FILE *file;
 653         static int n = 0;
 654         char name[20];
 655
 656         sprintf(name, "text%02d.dat", n++);
 657         file = fopen(name, "wb");
 658         fwrite(test_str, len * sizeof(WCHAR), 1, file);
 659         fclose(file);
 660     }*/
 661 }
 662
 663 static BOOL CreateCaseDiff(char *table_name)
 664 {
 665     char buf[256];
 666     char *p;
 667     WORD code, case_mapping;
 668     FILE *file;
 669     int line;
 670
 671     to_upper_org = (WORD *)calloc(65536, sizeof(WORD));
 672     if(!to_upper_org) {
 673         printf("Not enough memory for to upper table\n");
 674         return FALSE;
 675     }
 676
 677     to_lower_org = (WORD *)calloc(65536, sizeof(WORD));
 678     if(!to_lower_org) {
 679         printf("Not enough memory for to lower table\n");
 680         return FALSE;
 681     }
 682
 683     file = fopen(table_name, "r");
 684     if(file == NULL) {
 685         printf("Could not open file \"%s\"\n", table_name);
 686         return FALSE;
 687     }
 688
 689     line = 0;
 690
 691     while(fgets(buf, sizeof(buf), file)) {
 692         line++;
 693         p = buf;
 694         while(*p && isspace(*p)) p++;
 695
 696         if(!*p)
 697             continue;
 698
 699         /* 0. Code value */
 700         code = (WORD)strtol(p, &p, 16);
 701
 702         //if(code != 0x9A0 && code != 0xBA0)
 703             //continue;
 704
 705         while(*p && *p != ';') p++;
 706         if(!*p)
 707             continue;
 708         p++;
 709
 710         /* 1. Character name */
 711         while(*p && *p != ';') p++;
 712         if(!*p)
 713             continue;
 714         p++;
 715
 716         /* 2. General Category */
 717         while(*p && *p != ';') p++;
 718         if(!*p)
 719             continue;
 720         p++;
 721
 722         /* 3. Canonical Combining Classes */
 723         while(*p && *p != ';') p++;
 724         if(!*p)
 725             continue;
 726         p++;
 727
 728         /* 4. Bidirectional Category */
 729         while(*p && *p != ';') p++;
 730         if(!*p)
 731             continue;
 732         p++;
 733
 734         /* 5. Character Decomposition Mapping */
 735         while(*p && *p != ';') p++;
 736         if(!*p)
 737             continue;
 738         p++;
 739
 740         /* 6. Decimal digit value */
 741         while(*p && *p != ';') p++;
 742         if(!*p)
 743             continue;
 744         p++;
 745
 746         /* 7. Digit value */
 747         while(*p && *p != ';') p++;
 748         if(!*p)
 749             continue;
 750         p++;
 751
 752         /* 8. Numeric value */
 753         while(*p && *p != ';') p++;
 754         if(!*p)
 755             continue;
 756         p++;
 757
 758         /* 9. Mirrored */
 759         while(*p && *p != ';') p++;
 760         if(!*p)
 761             continue;
 762         p++;
 763
 764         /* 10. Unicode 1.0 Name */
 765         while(*p && *p != ';') p++;
 766         if(!*p)
 767             continue;
 768         p++;
 769
 770         /* 11. 10646 comment field */
 771         while(*p && *p != ';') p++;
 772         if(!*p)
 773             continue;
 774         p++;
 775
 776         /* 12. Uppercase Mapping */
 777         while(*p && isspace(*p)) p++;
 778         if(!*p) continue;
 779         if(*p != ';') {
 780             case_mapping = (WORD)strtol(p, &p, 16);
 781             to_upper_org[code] = case_mapping - code;
 782             while(*p && *p != ';') p++;
 783         }
 784         else
 785             p++;
 786
 787         /* 13. Lowercase Mapping */
 788         while(*p && isspace(*p)) p++;
 789         if(!*p) continue;
 790         if(*p != ';') {
 791             case_mapping = (WORD)strtol(p, &p, 16);
 792             to_lower_org[code] = case_mapping - code;
 793             while(*p && *p != ';') p++;
 794         }
 795         else
 796             p++;
 797
 798         /* 14. Titlecase Mapping */
 799         while(*p && *p != ';') p++;
 800         if(!*p)
 801             continue;
 802         p++;
 803     }
 804
 805     fclose(file);
 806
 807     return TRUE;
 808 }
 809
 810 #if 0
 811 static int find_diff(WORD diff)
 812 {
 813     int i;
 814
 815     for(i = 0; i < number_of_diffs; i++) {
 816         if(diffs[i] == diff)
 817             return i;
 818     }
 819
 820     return -1;
 821 }
 822 #endif
 823
 824 static WORD find_subtable_with_diffs(WORD *table, WORD *subtable)
 825 {
 826     WORD index;
 827
 828     for(index = 0; index < number_of_subtables_with_diffs; index++) {
 829         if(memcmp(subtables_with_diffs[index], subtable, 16 * sizeof(WORD)) == 0) {
 830             return index;
 831         }
 832     }
 833
 834     if(number_of_subtables_with_diffs >= 4096) {
 835         printf("Could not add new subtable with diffs, storage is full\n");
 836         return 0;
 837     }
 838
 839     subtables_with_diffs[number_of_subtables_with_diffs] = subtable;
 840     number_of_subtables_with_diffs++;
 841
 842     return index;
 843 }
 844
 845 static WORD find_subtable_with_offsets(WORD *subtable)
 846 {
 847     WORD index;
 848
 849     for(index = 0; index < number_of_subtables_with_offsets; index++) {
 850         if(memcmp(&subtables_with_offsets[index * 16], subtable, 16 * sizeof(WORD)) == 0) {
 851             return index;
 852         }
 853     }
 854
 855     if(number_of_subtables_with_offsets >= 4096) {
 856         printf("Could not add new subtable with offsets, storage is full\n");
 857         return 0;
 858     }
 859
 860     memcpy(&subtables_with_offsets[number_of_subtables_with_offsets * 16], subtable, 16 * sizeof(WORD));
 861     number_of_subtables_with_offsets++;
 862
 863     return index;
 864 }
 865
 866 static WORD *pack_table(WORD *table, WORD *packed_size_in_words)
 867 {
 868     WORD high, low4, index;
 869     WORD main_index[256];
 870     WORD temp_subtable[16];
 871     WORD *packed_table;
 872     WORD *subtable_src, *subtable_dst;
 873
 874     memset(subtables_with_diffs, 0, sizeof(subtables_with_diffs));
 875     number_of_subtables_with_diffs = 0;
 876
 877     memset(subtables_with_offsets, 0, sizeof(subtables_with_offsets));
 878     number_of_subtables_with_offsets = 0;
 879
 880     for(high = 0; high < 256; high++) {
 881         for(low4 = 0; low4 < 256; low4 += 16) {
 882             index = find_subtable_with_diffs(table, &table[MAKEWORD(low4, high)]);
 883
 884             temp_subtable[low4 >> 4] = index;
 885         }
 886
 887         index = find_subtable_with_offsets(temp_subtable);
 888         main_index[high] = index;
 889     }
 890
 891     *packed_size_in_words = 0x100 + number_of_subtables_with_offsets * 16 + number_of_subtables_with_diffs * 16;
 892     packed_table = calloc(*packed_size_in_words, sizeof(WORD));
 893
 894     /* fill main index according to the subtables_with_offsets */
 895     for(high = 0; high < 256; high++) {
 896         packed_table[high] = 0x100 + main_index[high] * 16;
 897     }
 898
 899     //memcpy(sub_table, subtables_with_offsets, number_of_subtables_with_offsets * 16);
 900
 901     /* fill subtable index according to the subtables_with_diffs */
 902     for(index = 0; index < number_of_subtables_with_offsets; index++) {
 903         subtable_dst = packed_table + 0x100 + index * 16;
 904         subtable_src = &subtables_with_offsets[index * 16];
 905
 906         for(low4 = 0; low4 < 16; low4++) {
 907             subtable_dst[low4] = 0x100 + number_of_subtables_with_offsets * 16 + subtable_src[low4] * 16;
 908         }
 909     }
 910
 911
 912     for(index = 0; index < number_of_subtables_with_diffs; index++) {
 913         subtable_dst = packed_table + 0x100 + number_of_subtables_with_offsets * 16 + index * 16;
 914         memcpy(subtable_dst, subtables_with_diffs[index], 16 * sizeof(WORD));
 915
 916     }
 917
 918
 919     test_packed_table(packed_table);
 920
 921     return packed_table;
 922 }
 923
 924 int write_casemap_file(void)
 925 {
 926     WORD packed_size_in_words, offset_to_next_table_in_words;
 927     WORD *packed_table, value;
 928     FILE *file;
 929
 930     if(!CreateCaseDiff(LIBDIR"UnicodeData.txt"))
 931         return -1;
 932
 933     file = fopen(NLSDIR"/l_intl.nls", "wb");
 934
 935     /* write version number */
 936     value = 1;
 937     fwrite(&value, 1, sizeof(WORD), file);
 938
 939     /* pack upper case table */
 940     packed_table = pack_table(to_upper_org, &packed_size_in_words);
 941     offset_to_next_table_in_words = packed_size_in_words + 1;
 942     fwrite(&offset_to_next_table_in_words, 1, sizeof(WORD), file);
 943     /* write packed upper case table */
 944     fwrite(packed_table, sizeof(WORD), packed_size_in_words, file);
 945     free(packed_table);
 946
 947     /* pack lower case table */
 948     packed_table = pack_table(to_lower_org, &packed_size_in_words);
 949     offset_to_next_table_in_words = packed_size_in_words + 1;
 950     fwrite(&offset_to_next_table_in_words, 1, sizeof(WORD), file);
 951     /* write packed lower case table */
 952     fwrite(packed_table, sizeof(WORD), packed_size_in_words, file);
 953     free(packed_table);
 954
 955     fclose(file);
 956
 957     free(to_upper_org);
 958     free(to_lower_org);
 959
 960     return 0;
 961 }
 962
 963 int main()
 964 {
 965         write_nls_files();
 966         write_casemap_file();
 967
 968         return 0;
 969 }