Mercurial > projects > ldc
annotate dmd/root.c @ 429:6bd99cc5eb08
Allow / as a path separator on Windows.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Tue, 29 Jul 2008 17:35:33 +0200 |
| parents | aaade6ded589 |
| children | 120cb5ea9eea |
| rev | line source |
|---|---|
| 336 | 1 |
| 2 // Copyright (c) 1999-2006 by Digital Mars | |
| 3 // All Rights Reserved | |
| 4 // written by Walter Bright | |
| 5 // www.digitalmars.com | |
| 6 // License for redistribution is by either the Artistic License | |
| 7 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
| 8 // See the included readme.txt for details. | |
| 9 | |
| 10 #include <stdio.h> | |
| 11 #include <stdlib.h> | |
| 12 #include <stdarg.h> | |
| 13 #include <string.h> | |
| 14 #include <stdint.h> | |
| 15 #include <assert.h> | |
| 16 | |
| 17 #if _MSC_VER ||__MINGW32__ | |
| 18 #include <malloc.h> | |
| 19 #endif | |
| 20 | |
| 21 #if _WIN32 | |
| 22 #include <windows.h> | |
| 23 #include <direct.h> | |
| 24 #endif | |
| 25 | |
| 26 #if linux | |
| 27 #include <sys/types.h> | |
| 28 #include <sys/stat.h> | |
| 29 #include <fcntl.h> | |
| 30 #include <errno.h> | |
| 31 #include <unistd.h> | |
| 32 #include <utime.h> | |
| 33 #endif | |
| 34 | |
| 35 #include "port.h" | |
| 36 #include "root.h" | |
| 37 #include "dchar.h" | |
| 38 #include "mem.h" | |
| 39 #include "mars.h" | |
| 40 | |
| 41 #if 0 //__SC__ //def DEBUG | |
| 42 extern "C" void __cdecl _assert(void *e, void *f, unsigned line) | |
| 43 { | |
| 44 printf("Assert('%s','%s',%d)\n",e,f,line); | |
| 45 fflush(stdout); | |
| 46 *(char *)0 = 0; | |
| 47 } | |
| 48 #endif | |
| 49 | |
| 50 /************************************* | |
| 51 * Convert wchar string to ascii string. | |
| 52 */ | |
| 53 | |
| 54 char *wchar2ascii(wchar_t *us) | |
| 55 { | |
| 56 return wchar2ascii(us, wcslen(us)); | |
| 57 } | |
| 58 | |
| 59 char *wchar2ascii(wchar_t *us, unsigned len) | |
| 60 { | |
| 61 unsigned i; | |
| 62 char *p; | |
| 63 | |
| 64 p = (char *)mem.malloc(len + 1); | |
| 65 for (i = 0; i <= len; i++) | |
| 66 p[i] = (char) us[i]; | |
| 67 return p; | |
| 68 } | |
| 69 | |
| 70 int wcharIsAscii(wchar_t *us) | |
| 71 { | |
| 72 return wcharIsAscii(us, wcslen(us)); | |
| 73 } | |
| 74 | |
| 75 int wcharIsAscii(wchar_t *us, unsigned len) | |
| 76 { | |
| 77 unsigned i; | |
| 78 | |
| 79 for (i = 0; i <= len; i++) | |
| 80 { | |
| 81 if (us[i] & ~0xFF) // if high bits set | |
| 82 return 0; // it's not ascii | |
| 83 } | |
| 84 return 1; | |
| 85 } | |
| 86 | |
| 87 | |
| 88 /*********************************** | |
| 89 * Compare length-prefixed strings (bstr). | |
| 90 */ | |
| 91 | |
| 92 int bstrcmp(unsigned char *b1, unsigned char *b2) | |
| 93 { | |
| 94 return (*b1 == *b2 && memcmp(b1 + 1, b2 + 1, *b2) == 0) ? 0 : 1; | |
| 95 } | |
| 96 | |
| 97 /*************************************** | |
| 98 * Convert bstr into a malloc'd string. | |
| 99 */ | |
| 100 | |
| 101 char *bstr2str(unsigned char *b) | |
| 102 { | |
| 103 char *s; | |
| 104 unsigned len; | |
| 105 | |
| 106 len = *b; | |
| 107 s = (char *) mem.malloc(len + 1); | |
| 108 s[len] = 0; | |
| 109 return (char *)memcpy(s,b + 1,len); | |
| 110 } | |
| 111 | |
| 112 /************************************** | |
| 113 * Print error message and exit. | |
| 114 */ | |
| 115 | |
| 116 void error(const char *format, ...) | |
| 117 { | |
| 118 va_list ap; | |
| 119 | |
| 120 va_start(ap, format); | |
| 121 printf("Error: "); | |
| 122 vprintf(format, ap); | |
| 123 va_end( ap ); | |
| 124 printf("\n"); | |
| 125 fflush(stdout); | |
| 126 | |
| 127 exit(EXIT_FAILURE); | |
| 128 } | |
| 129 | |
| 130 #if M_UNICODE | |
| 131 void error(const dchar *format, ...) | |
| 132 { | |
| 133 va_list ap; | |
| 134 | |
| 135 va_start(ap, format); | |
| 136 printf("Error: "); | |
| 137 vwprintf(format, ap); | |
| 138 va_end( ap ); | |
| 139 printf("\n"); | |
| 140 fflush(stdout); | |
| 141 | |
| 142 exit(EXIT_FAILURE); | |
| 143 } | |
| 144 #endif | |
| 145 | |
| 146 void error_mem() | |
| 147 { | |
| 148 error("out of memory"); | |
| 149 } | |
| 150 | |
| 151 /************************************** | |
| 152 * Print warning message. | |
| 153 */ | |
| 154 | |
| 155 void warning(const char *format, ...) | |
| 156 { | |
| 157 va_list ap; | |
| 158 | |
| 159 va_start(ap, format); | |
| 160 printf("Warning: "); | |
| 161 vprintf(format, ap); | |
| 162 va_end( ap ); | |
| 163 printf("\n"); | |
| 164 fflush(stdout); | |
| 165 } | |
| 166 | |
| 167 /****************************** Object ********************************/ | |
| 168 | |
| 169 int Object::equals(Object *o) | |
| 170 { | |
| 171 return o == this; | |
| 172 } | |
| 173 | |
| 174 hash_t Object::hashCode() | |
| 175 { | |
| 176 return (hash_t) this; | |
| 177 } | |
| 178 | |
| 179 int Object::compare(Object *obj) | |
| 180 { | |
| 181 return this - obj; | |
| 182 } | |
| 183 | |
| 184 void Object::print() | |
| 185 { | |
| 186 printf("%s %p\n", toChars(), this); | |
| 187 } | |
| 188 | |
| 189 char *Object::toChars() | |
| 190 { | |
| 191 return "Object"; | |
| 192 } | |
| 193 | |
| 194 dchar *Object::toDchars() | |
| 195 { | |
| 196 #if M_UNICODE | |
| 197 return L"Object"; | |
| 198 #else | |
| 199 return toChars(); | |
| 200 #endif | |
| 201 } | |
| 202 | |
| 203 int Object::dyncast() | |
| 204 { | |
| 205 return 0; | |
| 206 } | |
| 207 | |
| 208 void Object::toBuffer(OutBuffer *b) | |
| 209 { | |
| 210 b->writestring("Object"); | |
| 211 } | |
| 212 | |
| 213 void Object::mark() | |
| 214 { | |
| 215 } | |
| 216 | |
| 217 /****************************** String ********************************/ | |
| 218 | |
| 219 String::String(char *str, int ref) | |
| 220 { | |
| 221 this->str = ref ? str : mem.strdup(str); | |
| 222 this->ref = ref; | |
| 223 } | |
| 224 | |
| 225 String::~String() | |
| 226 { | |
| 227 mem.free(str); | |
| 228 } | |
| 229 | |
| 230 void String::mark() | |
| 231 { | |
| 232 mem.mark(str); | |
| 233 } | |
| 234 | |
| 235 hash_t String::calcHash(const char *str, size_t len) | |
| 236 { | |
| 237 hash_t hash = 0; | |
| 238 | |
| 239 for (;;) | |
| 240 { | |
| 241 switch (len) | |
| 242 { | |
| 243 case 0: | |
| 244 return hash; | |
| 245 | |
| 246 case 1: | |
| 247 hash *= 37; | |
| 248 hash += *(uint8_t *)str; | |
| 249 return hash; | |
| 250 | |
| 251 case 2: | |
| 252 hash *= 37; | |
| 253 hash += *(uint16_t *)str; | |
| 254 return hash; | |
| 255 | |
| 256 case 3: | |
| 257 hash *= 37; | |
| 258 hash += (*(uint16_t *)str << 8) + | |
| 259 ((uint8_t *)str)[2]; | |
| 260 return hash; | |
| 261 | |
| 262 default: | |
| 263 hash *= 37; | |
| 264 hash += *(uint32_t *)str; | |
| 265 str += 4; | |
| 266 len -= 4; | |
| 267 break; | |
| 268 } | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 hash_t String::calcHash(const char *str) | |
| 273 { | |
| 274 return calcHash(str, strlen(str)); | |
| 275 } | |
| 276 | |
| 277 hash_t String::hashCode() | |
| 278 { | |
| 279 return calcHash(str, strlen(str)); | |
| 280 } | |
| 281 | |
| 282 unsigned String::len() | |
| 283 { | |
| 284 return strlen(str); | |
| 285 } | |
| 286 | |
| 287 int String::equals(Object *obj) | |
| 288 { | |
| 289 return strcmp(str,((String *)obj)->str) == 0; | |
| 290 } | |
| 291 | |
| 292 int String::compare(Object *obj) | |
| 293 { | |
| 294 return strcmp(str,((String *)obj)->str); | |
| 295 } | |
| 296 | |
| 297 char *String::toChars() | |
| 298 { | |
| 299 return str; | |
| 300 } | |
| 301 | |
| 302 void String::print() | |
| 303 { | |
| 304 printf("String '%s'\n",str); | |
| 305 } | |
| 306 | |
| 307 | |
| 308 /****************************** FileName ********************************/ | |
| 309 | |
| 310 FileName::FileName(char *str, int ref) | |
| 311 : String(str,ref) | |
| 312 { | |
| 313 } | |
| 314 | |
| 315 char *FileName::combine(char *path, char *name) | |
| 316 { char *f; | |
| 317 size_t pathlen; | |
| 318 size_t namelen; | |
| 319 | |
| 320 if (!path || !*path) | |
| 321 return name; | |
| 322 pathlen = strlen(path); | |
| 323 namelen = strlen(name); | |
| 324 f = (char *)mem.malloc(pathlen + 1 + namelen + 1); | |
| 325 memcpy(f, path, pathlen); | |
|
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Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
326 |
| 336 | 327 if (path[pathlen - 1] != '/') |
| 328 { f[pathlen] = '/'; | |
| 329 pathlen++; | |
| 330 } | |
|
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|
331 |
| 336 | 332 #if _WIN32 |
| 333 if (path[pathlen - 1] != '\\' && path[pathlen - 1] != ':') | |
| 334 { f[pathlen] = '\\'; | |
| 335 pathlen++; | |
| 336 } | |
| 337 #endif | |
| 338 memcpy(f + pathlen, name, namelen + 1); | |
| 339 return f; | |
| 340 } | |
| 341 | |
| 342 FileName::FileName(char *path, char *name) | |
| 343 : String(combine(path,name),1) | |
| 344 { | |
| 345 } | |
| 346 | |
| 347 // Split a path into an Array of paths | |
| 348 Array *FileName::splitPath(const char *path) | |
| 349 { | |
| 350 char c = 0; // unnecessary initializer is for VC /W4 | |
| 351 const char *p; | |
| 352 OutBuffer buf; | |
| 353 Array *array; | |
| 354 | |
| 355 array = new Array(); | |
| 356 if (path) | |
| 357 { | |
| 358 p = path; | |
| 359 do | |
| 360 { char instring = 0; | |
| 361 | |
| 362 while (isspace(*p)) // skip leading whitespace | |
| 363 p++; | |
| 364 buf.reserve(strlen(p) + 1); // guess size of path | |
| 365 for (; ; p++) | |
| 366 { | |
| 367 c = *p; | |
| 368 switch (c) | |
| 369 { | |
| 370 case '"': | |
| 371 instring ^= 1; // toggle inside/outside of string | |
| 372 continue; | |
| 373 | |
| 374 #if MACINTOSH | |
| 375 case ',': | |
| 376 #endif | |
| 377 #if _WIN32 | |
| 378 case ';': | |
| 379 #endif | |
| 380 #if linux | |
| 381 case ':': | |
| 382 #endif | |
| 383 p++; | |
| 384 break; // note that ; cannot appear as part | |
| 385 // of a path, quotes won't protect it | |
| 386 | |
| 387 case 0x1A: // ^Z means end of file | |
| 388 case 0: | |
| 389 break; | |
| 390 | |
| 391 case '\r': | |
| 392 continue; // ignore carriage returns | |
| 393 | |
| 394 #if linux | |
| 395 case '~': | |
| 396 buf.writestring(getenv("HOME")); | |
| 397 continue; | |
| 398 #endif | |
| 399 | |
| 400 case ' ': | |
| 401 case '\t': // tabs in filenames? | |
| 402 if (!instring) // if not in string | |
| 403 break; // treat as end of path | |
| 404 default: | |
| 405 buf.writeByte(c); | |
| 406 continue; | |
| 407 } | |
| 408 break; | |
| 409 } | |
| 410 if (buf.offset) // if path is not empty | |
| 411 { | |
| 412 buf.writeByte(0); // to asciiz | |
| 413 array->push(buf.extractData()); | |
| 414 } | |
| 415 } while (c); | |
| 416 } | |
| 417 return array; | |
| 418 } | |
| 419 | |
| 420 hash_t FileName::hashCode() | |
| 421 { | |
| 422 #if _WIN32 | |
| 423 // We need a different hashCode because it must be case-insensitive | |
| 424 size_t len = strlen(str); | |
| 425 hash_t hash = 0; | |
| 426 unsigned char *s = (unsigned char *)str; | |
| 427 | |
| 428 for (;;) | |
| 429 { | |
| 430 switch (len) | |
| 431 { | |
| 432 case 0: | |
| 433 return hash; | |
| 434 | |
| 435 case 1: | |
| 436 hash *= 37; | |
| 437 hash += *(uint8_t *)s | 0x20; | |
| 438 return hash; | |
| 439 | |
| 440 case 2: | |
| 441 hash *= 37; | |
| 442 hash += *(uint16_t *)s | 0x2020; | |
| 443 return hash; | |
| 444 | |
| 445 case 3: | |
| 446 hash *= 37; | |
| 447 hash += ((*(uint16_t *)s << 8) + | |
| 448 ((uint8_t *)s)[2]) | 0x202020; | |
| 449 break; | |
| 450 | |
| 451 default: | |
| 452 hash *= 37; | |
| 453 hash += *(uint32_t *)s | 0x20202020; | |
| 454 s += 4; | |
| 455 len -= 4; | |
| 456 break; | |
| 457 } | |
| 458 } | |
| 459 #else | |
| 460 // darwin HFS is case insensitive, though... | |
| 461 return String::hashCode(); | |
| 462 #endif | |
| 463 } | |
| 464 | |
| 465 int FileName::compare(Object *obj) | |
| 466 { | |
| 467 #if _WIN32 | |
| 468 return stricmp(str,((FileName *)obj)->str); | |
| 469 #else | |
| 470 return String::compare(obj); | |
| 471 #endif | |
| 472 } | |
| 473 | |
| 474 int FileName::equals(Object *obj) | |
| 475 { | |
| 476 #if _WIN32 | |
| 477 return stricmp(str,((FileName *)obj)->str) == 0; | |
| 478 #else | |
| 479 return String::equals(obj); | |
| 480 #endif | |
| 481 } | |
| 482 | |
| 483 /************************************ | |
| 484 * Return !=0 if absolute path name. | |
| 485 */ | |
| 486 | |
| 487 int FileName::absolute(const char *name) | |
| 488 { | |
|
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Allow / as a path separator on Windows.
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parents:
336
diff
changeset
|
489 return |
| 336 | 490 #if _WIN32 |
|
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Allow / as a path separator on Windows.
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parents:
336
diff
changeset
|
491 (*name == '\\') || |
|
6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
492 (*name == '/') || |
|
6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
493 (*name && name[1] == ':') || |
| 336 | 494 #endif |
|
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Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
495 (*name == '/'); |
| 336 | 496 } |
| 497 | |
| 498 /******************************** | |
| 499 * Return filename extension (read-only). | |
| 500 * Points past '.' of extension. | |
| 501 * If there isn't one, return NULL. | |
| 502 */ | |
| 503 | |
| 504 char *FileName::ext(const char *str) | |
| 505 { | |
| 506 char *e; | |
| 507 size_t len = strlen(str); | |
| 508 | |
| 509 e = (char *)str + len; | |
| 510 for (;;) | |
| 511 { | |
| 512 switch (*e) | |
| 513 { case '.': | |
| 514 return e + 1; | |
|
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Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
515 |
| 336 | 516 case '/': |
| 517 break; | |
|
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6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
518 |
| 336 | 519 #if _WIN32 |
| 520 case '\\': | |
| 521 case ':': | |
| 522 case '/': | |
| 523 break; | |
| 524 #endif | |
| 525 default: | |
| 526 if (e == str) | |
| 527 break; | |
| 528 e--; | |
| 529 continue; | |
| 530 } | |
| 531 return NULL; | |
| 532 } | |
| 533 } | |
| 534 | |
| 535 char *FileName::ext() | |
| 536 { | |
| 537 return ext(str); | |
| 538 } | |
| 539 | |
| 540 /******************************** | |
| 541 * Return mem.malloc'd filename with extension removed. | |
| 542 */ | |
| 543 | |
| 544 char *FileName::removeExt(const char *str) | |
| 545 { | |
| 546 const char *e = ext(str); | |
| 547 if (e) | |
| 548 { size_t len = (e - str) - 1; | |
| 549 char *n = (char *)mem.malloc(len + 1); | |
| 550 memcpy(n, str, len); | |
| 551 n[len] = 0; | |
| 552 return n; | |
| 553 } | |
| 554 return mem.strdup(str); | |
| 555 } | |
| 556 | |
| 557 /******************************** | |
| 558 * Return filename name excluding path (read-only). | |
| 559 */ | |
| 560 | |
| 561 char *FileName::name(const char *str) | |
| 562 { | |
| 563 char *e; | |
| 564 size_t len = strlen(str); | |
| 565 | |
| 566 e = (char *)str + len; | |
| 567 for (;;) | |
| 568 { | |
| 569 switch (*e) | |
| 570 { | |
|
429
6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
571 |
| 336 | 572 case '/': |
| 573 return e + 1; | |
|
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Allow / as a path separator on Windows.
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parents:
336
diff
changeset
|
574 |
| 336 | 575 #if _WIN32 |
| 576 case '\\': | |
| 577 case ':': | |
| 578 return e + 1; | |
| 579 #endif | |
| 580 default: | |
| 581 if (e == str) | |
| 582 break; | |
| 583 e--; | |
| 584 continue; | |
| 585 } | |
| 586 return e; | |
| 587 } | |
| 588 } | |
| 589 | |
| 590 char *FileName::name() | |
| 591 { | |
| 592 return name(str); | |
| 593 } | |
| 594 | |
| 595 /************************************** | |
| 596 * Return path portion of str. | |
| 597 * Path will does not include trailing path separator. | |
| 598 */ | |
| 599 | |
| 600 char *FileName::path(const char *str) | |
| 601 { | |
| 602 char *n = name(str); | |
| 603 char *path; | |
| 604 size_t pathlen; | |
| 605 | |
| 606 if (n > str) | |
| 607 { | |
|
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Allow / as a path separator on Windows.
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parents:
336
diff
changeset
|
608 |
| 336 | 609 if (n[-1] == '/') |
| 610 n--; | |
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Allow / as a path separator on Windows.
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parents:
336
diff
changeset
|
611 |
| 336 | 612 #if _WIN32 |
| 613 if (n[-1] == '\\') | |
| 614 n--; | |
| 615 #endif | |
| 616 } | |
| 617 pathlen = n - str; | |
| 618 path = (char *)mem.malloc(pathlen + 1); | |
| 619 memcpy(path, str, pathlen); | |
| 620 path[pathlen] = 0; | |
| 621 return path; | |
| 622 } | |
| 623 | |
| 624 /************************************** | |
| 625 * Replace filename portion of path. | |
| 626 */ | |
| 627 | |
| 628 char *FileName::replaceName(char *path, char *name) | |
| 629 { char *f; | |
| 630 char *n; | |
| 631 size_t pathlen; | |
| 632 size_t namelen; | |
| 633 | |
| 634 if (absolute(name)) | |
| 635 return name; | |
| 636 | |
| 637 n = FileName::name(path); | |
| 638 if (n == path) | |
| 639 return name; | |
| 640 pathlen = n - path; | |
| 641 namelen = strlen(name); | |
| 642 f = (char *)mem.malloc(pathlen + 1 + namelen + 1); | |
| 643 memcpy(f, path, pathlen); | |
|
429
6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
644 |
| 336 | 645 if (path[pathlen - 1] != '/') |
| 646 { f[pathlen] = '/'; | |
| 647 pathlen++; | |
| 648 } | |
|
429
6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
649 |
| 336 | 650 #if _WIN32 |
| 651 if (path[pathlen - 1] != '\\' && path[pathlen - 1] != ':') | |
| 652 { f[pathlen] = '\\'; | |
| 653 pathlen++; | |
| 654 } | |
| 655 #endif | |
| 656 memcpy(f + pathlen, name, namelen + 1); | |
| 657 return f; | |
| 658 } | |
| 659 | |
| 660 /*************************** | |
| 661 */ | |
| 662 | |
| 663 FileName *FileName::defaultExt(const char *name, const char *ext) | |
| 664 { | |
| 665 char *e; | |
| 666 char *s; | |
| 667 size_t len; | |
| 668 size_t extlen; | |
| 669 | |
| 670 e = FileName::ext(name); | |
| 671 if (e) // if already has an extension | |
| 672 return new FileName((char *)name, 0); | |
| 673 | |
| 674 len = strlen(name); | |
| 675 extlen = strlen(ext); | |
| 676 s = (char *)alloca(len + 1 + extlen + 1); | |
| 677 memcpy(s,name,len); | |
| 678 s[len] = '.'; | |
| 679 memcpy(s + len + 1, ext, extlen + 1); | |
| 680 return new FileName(s, 0); | |
| 681 } | |
| 682 | |
| 683 /*************************** | |
| 684 */ | |
| 685 | |
| 686 FileName *FileName::forceExt(const char *name, const char *ext) | |
| 687 { | |
| 688 char *e; | |
| 689 char *s; | |
| 690 size_t len; | |
| 691 size_t extlen; | |
| 692 | |
| 693 e = FileName::ext(name); | |
| 694 if (e) // if already has an extension | |
| 695 { | |
| 696 len = e - name; | |
| 697 extlen = strlen(ext); | |
| 698 | |
| 699 s = (char *)alloca(len + extlen + 1); | |
| 700 memcpy(s,name,len); | |
| 701 memcpy(s + len, ext, extlen + 1); | |
| 702 return new FileName(s, 0); | |
| 703 } | |
| 704 else | |
| 705 return defaultExt(name, ext); // doesn't have one | |
| 706 } | |
| 707 | |
| 708 /****************************** | |
| 709 * Return !=0 if extensions match. | |
| 710 */ | |
| 711 | |
| 712 int FileName::equalsExt(const char *ext) | |
| 713 { const char *e; | |
| 714 | |
| 715 e = FileName::ext(); | |
| 716 if (!e && !ext) | |
| 717 return 1; | |
| 718 if (!e || !ext) | |
| 719 return 0; | |
| 720 #if linux | |
| 721 return strcmp(e,ext) == 0; | |
| 722 #endif | |
| 723 #if _WIN32 | |
| 724 return stricmp(e,ext) == 0; | |
| 725 #endif | |
| 726 } | |
| 727 | |
| 728 /************************************* | |
| 729 * Copy file from this to to. | |
| 730 */ | |
| 731 | |
| 732 void FileName::CopyTo(FileName *to) | |
| 733 { | |
| 734 File file(this); | |
| 735 | |
| 736 #if _WIN32 | |
| 737 file.touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); // keep same file time | |
| 738 #endif | |
| 739 #if linux | |
| 740 file.touchtime = mem.malloc(sizeof(struct stat)); // keep same file time | |
| 741 #endif | |
| 742 file.readv(); | |
| 743 file.name = to; | |
| 744 file.writev(); | |
| 745 } | |
| 746 | |
| 747 /************************************* | |
| 748 * Search Path for file. | |
| 749 * Input: | |
| 750 * cwd if !=0, search current directory before searching path | |
| 751 */ | |
| 752 | |
| 753 char *FileName::searchPath(Array *path, char *name, int cwd) | |
| 754 { | |
| 755 if (absolute(name)) | |
| 756 { | |
| 757 return exists(name) ? name : NULL; | |
| 758 } | |
| 759 if (cwd) | |
| 760 { | |
| 761 if (exists(name)) | |
| 762 return name; | |
| 763 } | |
| 764 if (path) | |
| 765 { unsigned i; | |
| 766 | |
| 767 for (i = 0; i < path->dim; i++) | |
| 768 { | |
| 769 char *p = (char *)path->data[i]; | |
| 770 char *n = combine(p, name); | |
| 771 | |
| 772 if (exists(n)) | |
| 773 return n; | |
| 774 } | |
| 775 } | |
| 776 return NULL; | |
| 777 } | |
| 778 | |
| 779 int FileName::exists(const char *name) | |
| 780 { | |
| 781 #if linux | |
| 782 struct stat st; | |
| 783 | |
| 784 if (stat(name, &st) < 0) | |
| 785 return 0; | |
| 786 if (S_ISDIR(st.st_mode)) | |
| 787 return 2; | |
| 788 return 1; | |
| 789 #endif | |
| 790 #if _WIN32 | |
| 791 DWORD dw; | |
| 792 int result; | |
| 793 | |
| 794 dw = GetFileAttributesA(name); | |
| 795 if (dw == -1L) | |
| 796 result = 0; | |
| 797 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 798 result = 2; | |
| 799 else | |
| 800 result = 1; | |
| 801 return result; | |
| 802 #endif | |
| 803 } | |
| 804 | |
| 805 void FileName::ensurePathExists(const char *path) | |
| 806 { | |
| 807 //printf("FileName::ensurePathExists(%s)\n", path ? path : ""); | |
| 808 if (path && *path) | |
| 809 { | |
| 810 if (!exists(path)) | |
| 811 { | |
| 812 char *p = FileName::path(path); | |
| 813 if (*p) | |
| 814 { | |
| 815 #if _WIN32 | |
| 816 size_t len = strlen(p); | |
| 817 if (len > 2 && p[-1] == ':') | |
| 818 { mem.free(p); | |
| 819 return; | |
| 820 } | |
| 821 #endif | |
| 822 ensurePathExists(p); | |
| 823 mem.free(p); | |
| 824 } | |
| 825 #if _WIN32 | |
| 826 if (path[strlen(path) - 1] != '\\') | |
| 827 #endif | |
| 828 #if linux | |
| 829 if (path[strlen(path) - 1] != '\\') | |
| 830 #endif | |
| 831 { | |
| 832 //printf("mkdir(%s)\n", path); | |
| 833 #if _WIN32 | |
| 834 if (mkdir(path)) | |
| 835 #endif | |
| 836 #if linux | |
| 837 if (mkdir(path, 0777)) | |
| 838 #endif | |
| 839 error("cannot create directory %s", path); | |
| 840 } | |
| 841 } | |
| 842 } | |
| 843 } | |
| 844 | |
| 845 /****************************** File ********************************/ | |
| 846 | |
| 847 File::File(FileName *n) | |
| 848 { | |
| 849 ref = 0; | |
| 850 buffer = NULL; | |
| 851 len = 0; | |
| 852 touchtime = NULL; | |
| 853 name = n; | |
| 854 } | |
| 855 | |
| 856 File::File(char *n) | |
| 857 { | |
| 858 ref = 0; | |
| 859 buffer = NULL; | |
| 860 len = 0; | |
| 861 touchtime = NULL; | |
| 862 name = new FileName(n, 0); | |
| 863 } | |
| 864 | |
| 865 File::~File() | |
| 866 { | |
| 867 if (buffer) | |
| 868 { | |
| 869 if (ref == 0) | |
| 870 mem.free(buffer); | |
| 871 #if _WIN32 | |
| 872 else if (ref == 2) | |
| 873 UnmapViewOfFile(buffer); | |
| 874 #endif | |
| 875 } | |
| 876 if (touchtime) | |
| 877 mem.free(touchtime); | |
| 878 } | |
| 879 | |
| 880 void File::mark() | |
| 881 { | |
| 882 mem.mark(buffer); | |
| 883 mem.mark(touchtime); | |
| 884 mem.mark(name); | |
| 885 } | |
| 886 | |
| 887 /************************************* | |
| 888 */ | |
| 889 | |
| 890 int File::read() | |
| 891 { | |
| 892 #if linux | |
| 893 off_t size; | |
| 894 ssize_t numread; | |
| 895 int fd; | |
| 896 struct stat buf; | |
| 897 int result = 0; | |
| 898 char *name; | |
| 899 | |
| 900 name = this->name->toChars(); | |
| 901 //printf("File::read('%s')\n",name); | |
| 902 fd = open(name, O_RDONLY); | |
| 903 if (fd == -1) | |
| 904 { result = errno; | |
| 905 //printf("\topen error, errno = %d\n",errno); | |
| 906 goto err1; | |
| 907 } | |
| 908 | |
| 909 if (!ref) | |
| 910 mem.free(buffer); | |
| 911 ref = 0; // we own the buffer now | |
| 912 | |
| 913 //printf("\tfile opened\n"); | |
| 914 if (fstat(fd, &buf)) | |
| 915 { | |
| 916 printf("\tfstat error, errno = %d\n",errno); | |
| 917 goto err2; | |
| 918 } | |
| 919 size = buf.st_size; | |
| 920 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 921 if (!buffer) | |
| 922 { | |
| 923 printf("\tmalloc error, errno = %d\n",errno); | |
| 924 goto err2; | |
| 925 } | |
| 926 | |
| 927 numread = ::read(fd, buffer, size); | |
| 928 if (numread != size) | |
| 929 { | |
| 930 printf("\tread error, errno = %d\n",errno); | |
| 931 goto err2; | |
| 932 } | |
| 933 | |
| 934 if (touchtime) | |
| 935 memcpy(touchtime, &buf, sizeof(buf)); | |
| 936 | |
| 937 if (close(fd) == -1) | |
| 938 { | |
| 939 printf("\tclose error, errno = %d\n",errno); | |
| 940 goto err; | |
| 941 } | |
| 942 | |
| 943 len = size; | |
| 944 | |
| 945 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 946 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 947 buffer[size + 1] = 0; | |
| 948 return 0; | |
| 949 | |
| 950 err2: | |
| 951 close(fd); | |
| 952 err: | |
| 953 mem.free(buffer); | |
| 954 buffer = NULL; | |
| 955 len = 0; | |
| 956 | |
| 957 err1: | |
| 958 result = 1; | |
| 959 return result; | |
| 960 #endif | |
| 961 #if _WIN32 | |
| 962 DWORD size; | |
| 963 DWORD numread; | |
| 964 HANDLE h; | |
| 965 int result = 0; | |
| 966 char *name; | |
| 967 | |
| 968 name = this->name->toChars(); | |
| 969 h = CreateFileA(name,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING, | |
| 970 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,0); | |
| 971 if (h == INVALID_HANDLE_VALUE) | |
| 972 goto err1; | |
| 973 | |
| 974 if (!ref) | |
| 975 mem.free(buffer); | |
| 976 ref = 0; | |
| 977 | |
| 978 size = GetFileSize(h,NULL); | |
| 979 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 980 if (!buffer) | |
| 981 goto err2; | |
| 982 | |
| 983 if (ReadFile(h,buffer,size,&numread,NULL) != TRUE) | |
| 984 goto err2; | |
| 985 | |
| 986 if (numread != size) | |
| 987 goto err2; | |
| 988 | |
| 989 if (touchtime) | |
| 990 { | |
| 991 if (!GetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime)) | |
| 992 goto err2; | |
| 993 } | |
| 994 | |
| 995 if (!CloseHandle(h)) | |
| 996 goto err; | |
| 997 | |
| 998 len = size; | |
| 999 | |
| 1000 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 1001 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 1002 buffer[size + 1] = 0; | |
| 1003 return 0; | |
| 1004 | |
| 1005 err2: | |
| 1006 CloseHandle(h); | |
| 1007 err: | |
| 1008 mem.free(buffer); | |
| 1009 buffer = NULL; | |
| 1010 len = 0; | |
| 1011 | |
| 1012 err1: | |
| 1013 result = 1; | |
| 1014 return result; | |
| 1015 #endif | |
| 1016 } | |
| 1017 | |
| 1018 /***************************** | |
| 1019 * Read a file with memory mapped file I/O. | |
| 1020 */ | |
| 1021 | |
| 1022 int File::mmread() | |
| 1023 { | |
| 1024 #if linux | |
| 1025 return read(); | |
| 1026 #endif | |
| 1027 #if _WIN32 | |
| 1028 HANDLE hFile; | |
| 1029 HANDLE hFileMap; | |
| 1030 DWORD size; | |
| 1031 char *name; | |
| 1032 | |
| 1033 name = this->name->toChars(); | |
| 1034 hFile = CreateFile(name, GENERIC_READ, | |
| 1035 FILE_SHARE_READ, NULL, | |
| 1036 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
| 1037 if (hFile == INVALID_HANDLE_VALUE) | |
| 1038 goto Lerr; | |
| 1039 size = GetFileSize(hFile, NULL); | |
| 1040 //printf(" file created, size %d\n", size); | |
| 1041 | |
| 1042 hFileMap = CreateFileMapping(hFile,NULL,PAGE_READONLY,0,size,NULL); | |
| 1043 if (CloseHandle(hFile) != TRUE) | |
| 1044 goto Lerr; | |
| 1045 | |
| 1046 if (hFileMap == NULL) | |
| 1047 goto Lerr; | |
| 1048 | |
| 1049 //printf(" mapping created\n"); | |
| 1050 | |
| 1051 if (!ref) | |
| 1052 mem.free(buffer); | |
| 1053 ref = 2; | |
| 1054 buffer = (unsigned char *)MapViewOfFileEx(hFileMap, FILE_MAP_READ,0,0,size,NULL); | |
| 1055 if (CloseHandle(hFileMap) != TRUE) | |
| 1056 goto Lerr; | |
| 1057 if (buffer == NULL) // mapping view failed | |
| 1058 goto Lerr; | |
| 1059 | |
| 1060 len = size; | |
| 1061 //printf(" buffer = %p\n", buffer); | |
| 1062 | |
| 1063 return 0; | |
| 1064 | |
| 1065 Lerr: | |
| 1066 return GetLastError(); // failure | |
| 1067 #endif | |
| 1068 } | |
| 1069 | |
| 1070 /********************************************* | |
| 1071 * Write a file. | |
| 1072 * Returns: | |
| 1073 * 0 success | |
| 1074 */ | |
| 1075 | |
| 1076 int File::write() | |
| 1077 { | |
| 1078 #if linux | |
| 1079 int fd; | |
| 1080 ssize_t numwritten; | |
| 1081 char *name; | |
| 1082 | |
| 1083 name = this->name->toChars(); | |
| 1084 fd = open(name, O_CREAT | O_WRONLY | O_TRUNC, 0644); | |
| 1085 if (fd == -1) | |
| 1086 goto err; | |
| 1087 | |
| 1088 numwritten = ::write(fd, buffer, len); | |
| 1089 if (len != numwritten) | |
| 1090 goto err2; | |
| 1091 | |
| 1092 if (close(fd) == -1) | |
| 1093 goto err; | |
| 1094 | |
| 1095 if (touchtime) | |
| 1096 { struct utimbuf ubuf; | |
| 1097 | |
| 1098 ubuf.actime = ((struct stat *)touchtime)->st_atime; | |
| 1099 ubuf.modtime = ((struct stat *)touchtime)->st_mtime; | |
| 1100 if (utime(name, &ubuf)) | |
| 1101 goto err; | |
| 1102 } | |
| 1103 return 0; | |
| 1104 | |
| 1105 err2: | |
| 1106 close(fd); | |
| 1107 ::remove(name); | |
| 1108 err: | |
| 1109 return 1; | |
| 1110 #endif | |
| 1111 #if _WIN32 | |
| 1112 HANDLE h; | |
| 1113 DWORD numwritten; | |
| 1114 char *name; | |
| 1115 | |
| 1116 name = this->name->toChars(); | |
| 1117 h = CreateFileA(name,GENERIC_WRITE,0,NULL,CREATE_ALWAYS, | |
| 1118 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1119 if (h == INVALID_HANDLE_VALUE) | |
| 1120 goto err; | |
| 1121 | |
| 1122 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1123 goto err2; | |
| 1124 | |
| 1125 if (len != numwritten) | |
| 1126 goto err2; | |
| 1127 | |
| 1128 if (touchtime) { | |
| 1129 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1130 } | |
| 1131 if (!CloseHandle(h)) | |
| 1132 goto err; | |
| 1133 return 0; | |
| 1134 | |
| 1135 err2: | |
| 1136 CloseHandle(h); | |
| 1137 DeleteFileA(name); | |
| 1138 err: | |
| 1139 return 1; | |
| 1140 #endif | |
| 1141 } | |
| 1142 | |
| 1143 /********************************************* | |
| 1144 * Append to a file. | |
| 1145 * Returns: | |
| 1146 * 0 success | |
| 1147 */ | |
| 1148 | |
| 1149 int File::append() | |
| 1150 { | |
| 1151 #if linux | |
| 1152 return 1; | |
| 1153 #endif | |
| 1154 #if _WIN32 | |
| 1155 HANDLE h; | |
| 1156 DWORD numwritten; | |
| 1157 char *name; | |
| 1158 | |
| 1159 name = this->name->toChars(); | |
| 1160 h = CreateFileA(name,GENERIC_WRITE,0,NULL,OPEN_ALWAYS, | |
| 1161 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1162 if (h == INVALID_HANDLE_VALUE) | |
| 1163 goto err; | |
| 1164 | |
| 1165 #if 1 | |
| 1166 SetFilePointer(h, 0, NULL, FILE_END); | |
| 1167 #else // INVALID_SET_FILE_POINTER doesn't seem to have a definition | |
| 1168 if (SetFilePointer(h, 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER) | |
| 1169 goto err; | |
| 1170 #endif | |
| 1171 | |
| 1172 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1173 goto err2; | |
| 1174 | |
| 1175 if (len != numwritten) | |
| 1176 goto err2; | |
| 1177 | |
| 1178 if (touchtime) { | |
| 1179 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1180 } | |
| 1181 if (!CloseHandle(h)) | |
| 1182 goto err; | |
| 1183 return 0; | |
| 1184 | |
| 1185 err2: | |
| 1186 CloseHandle(h); | |
| 1187 err: | |
| 1188 return 1; | |
| 1189 #endif | |
| 1190 } | |
| 1191 | |
| 1192 /************************************** | |
| 1193 */ | |
| 1194 | |
| 1195 void File::readv() | |
| 1196 { | |
| 1197 if (read()) | |
| 1198 error("Error reading file '%s'\n",name->toChars()); | |
| 1199 } | |
| 1200 | |
| 1201 /************************************** | |
| 1202 */ | |
| 1203 | |
| 1204 void File::mmreadv() | |
| 1205 { | |
| 1206 if (mmread()) | |
| 1207 readv(); | |
| 1208 } | |
| 1209 | |
| 1210 void File::writev() | |
| 1211 { | |
| 1212 if (write()) | |
| 1213 error("Error writing file '%s'\n",name->toChars()); | |
| 1214 } | |
| 1215 | |
| 1216 void File::appendv() | |
| 1217 { | |
| 1218 if (write()) | |
| 1219 error("Error appending to file '%s'\n",name->toChars()); | |
| 1220 } | |
| 1221 | |
| 1222 /******************************************* | |
| 1223 * Return !=0 if file exists. | |
| 1224 * 0: file doesn't exist | |
| 1225 * 1: normal file | |
| 1226 * 2: directory | |
| 1227 */ | |
| 1228 | |
| 1229 int File::exists() | |
| 1230 { | |
| 1231 #if linux | |
| 1232 return 0; | |
| 1233 #endif | |
| 1234 #if _WIN32 | |
| 1235 DWORD dw; | |
| 1236 int result; | |
| 1237 char *name; | |
| 1238 | |
| 1239 name = this->name->toChars(); | |
| 1240 if (touchtime) | |
| 1241 dw = ((WIN32_FIND_DATAA *)touchtime)->dwFileAttributes; | |
| 1242 else | |
| 1243 dw = GetFileAttributesA(name); | |
| 1244 if (dw == -1L) | |
| 1245 result = 0; | |
| 1246 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 1247 result = 2; | |
| 1248 else | |
| 1249 result = 1; | |
| 1250 return result; | |
| 1251 #endif | |
| 1252 } | |
| 1253 | |
| 1254 void File::remove() | |
| 1255 { | |
| 1256 #if linux | |
| 1257 ::remove(this->name->toChars()); | |
| 1258 #endif | |
| 1259 #if _WIN32 | |
| 1260 DeleteFileA(this->name->toChars()); | |
| 1261 #endif | |
| 1262 } | |
| 1263 | |
| 1264 Array *File::match(char *n) | |
| 1265 { | |
| 1266 return match(new FileName(n, 0)); | |
| 1267 } | |
| 1268 | |
| 1269 Array *File::match(FileName *n) | |
| 1270 { | |
| 1271 #if linux | |
| 1272 return NULL; | |
| 1273 #endif | |
| 1274 #if _WIN32 | |
| 1275 HANDLE h; | |
| 1276 WIN32_FIND_DATAA fileinfo; | |
| 1277 Array *a; | |
| 1278 char *c; | |
| 1279 char *name; | |
| 1280 | |
| 1281 a = new Array(); | |
| 1282 c = n->toChars(); | |
| 1283 name = n->name(); | |
| 1284 h = FindFirstFileA(c,&fileinfo); | |
| 1285 if (h != INVALID_HANDLE_VALUE) | |
| 1286 { | |
| 1287 do | |
| 1288 { | |
| 1289 // Glue path together with name | |
| 1290 char *fn; | |
| 1291 File *f; | |
| 1292 | |
| 1293 fn = (char *)mem.malloc(name - c + strlen(fileinfo.cFileName) + 1); | |
| 1294 memcpy(fn, c, name - c); | |
| 1295 strcpy(fn + (name - c), fileinfo.cFileName); | |
| 1296 f = new File(fn); | |
| 1297 f->touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); | |
| 1298 memcpy(f->touchtime, &fileinfo, sizeof(fileinfo)); | |
| 1299 a->push(f); | |
| 1300 } while (FindNextFileA(h,&fileinfo) != FALSE); | |
| 1301 FindClose(h); | |
| 1302 } | |
| 1303 return a; | |
| 1304 #endif | |
| 1305 } | |
| 1306 | |
| 1307 int File::compareTime(File *f) | |
| 1308 { | |
| 1309 #if linux | |
| 1310 return 0; | |
| 1311 #endif | |
| 1312 #if _WIN32 | |
| 1313 if (!touchtime) | |
| 1314 stat(); | |
| 1315 if (!f->touchtime) | |
| 1316 f->stat(); | |
| 1317 return CompareFileTime(&((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime, &((WIN32_FIND_DATAA *)f->touchtime)->ftLastWriteTime); | |
| 1318 #endif | |
| 1319 } | |
| 1320 | |
| 1321 void File::stat() | |
| 1322 { | |
| 1323 #if linux | |
| 1324 if (!touchtime) | |
| 1325 { | |
| 1326 touchtime = mem.calloc(1, sizeof(struct stat)); | |
| 1327 } | |
| 1328 #endif | |
| 1329 #if _WIN32 | |
| 1330 HANDLE h; | |
| 1331 | |
| 1332 if (!touchtime) | |
| 1333 { | |
| 1334 touchtime = mem.calloc(1, sizeof(WIN32_FIND_DATAA)); | |
| 1335 } | |
| 1336 h = FindFirstFileA(name->toChars(),(WIN32_FIND_DATAA *)touchtime); | |
| 1337 if (h != INVALID_HANDLE_VALUE) | |
| 1338 { | |
| 1339 FindClose(h); | |
| 1340 } | |
| 1341 #endif | |
| 1342 } | |
| 1343 | |
| 1344 void File::checkoffset(size_t offset, size_t nbytes) | |
| 1345 { | |
| 1346 if (offset > len || offset + nbytes > len) | |
| 1347 error("Corrupt file '%s': offset x%"PRIxSIZE" off end of file",toChars(),offset); | |
| 1348 } | |
| 1349 | |
| 1350 char *File::toChars() | |
| 1351 { | |
| 1352 return name->toChars(); | |
| 1353 } | |
| 1354 | |
| 1355 | |
| 1356 /************************* OutBuffer *************************/ | |
| 1357 | |
| 1358 OutBuffer::OutBuffer() | |
| 1359 { | |
| 1360 data = NULL; | |
| 1361 offset = 0; | |
| 1362 size = 0; | |
| 1363 } | |
| 1364 | |
| 1365 OutBuffer::~OutBuffer() | |
| 1366 { | |
| 1367 mem.free(data); | |
| 1368 } | |
| 1369 | |
| 1370 void *OutBuffer::extractData() | |
| 1371 { | |
| 1372 void *p; | |
| 1373 | |
| 1374 p = (void *)data; | |
| 1375 data = NULL; | |
| 1376 offset = 0; | |
| 1377 size = 0; | |
| 1378 return p; | |
| 1379 } | |
| 1380 | |
| 1381 void OutBuffer::mark() | |
| 1382 { | |
| 1383 mem.mark(data); | |
| 1384 } | |
| 1385 | |
| 1386 void OutBuffer::reserve(unsigned nbytes) | |
| 1387 { | |
| 1388 //printf("OutBuffer::reserve: size = %d, offset = %d, nbytes = %d\n", size, offset, nbytes); | |
| 1389 if (size - offset < nbytes) | |
| 1390 { | |
| 1391 size = (offset + nbytes) * 2; | |
| 1392 data = (unsigned char *)mem.realloc(data, size); | |
| 1393 } | |
| 1394 } | |
| 1395 | |
| 1396 void OutBuffer::reset() | |
| 1397 { | |
| 1398 offset = 0; | |
| 1399 } | |
| 1400 | |
| 1401 void OutBuffer::setsize(unsigned size) | |
| 1402 { | |
| 1403 offset = size; | |
| 1404 } | |
| 1405 | |
| 1406 void OutBuffer::write(const void *data, unsigned nbytes) | |
| 1407 { | |
| 1408 reserve(nbytes); | |
| 1409 memcpy(this->data + offset, data, nbytes); | |
| 1410 offset += nbytes; | |
| 1411 } | |
| 1412 | |
| 1413 void OutBuffer::writebstring(unsigned char *string) | |
| 1414 { | |
| 1415 write(string,*string + 1); | |
| 1416 } | |
| 1417 | |
| 1418 void OutBuffer::writestring(const char *string) | |
| 1419 { | |
| 1420 write(string,strlen(string)); | |
| 1421 } | |
| 1422 | |
| 1423 void OutBuffer::writedstring(const char *string) | |
| 1424 { | |
| 1425 #if M_UNICODE | |
| 1426 for (; *string; string++) | |
| 1427 { | |
| 1428 writedchar(*string); | |
| 1429 } | |
| 1430 #else | |
| 1431 write(string,strlen(string)); | |
| 1432 #endif | |
| 1433 } | |
| 1434 | |
| 1435 void OutBuffer::writedstring(const wchar_t *string) | |
| 1436 { | |
| 1437 #if M_UNICODE | |
| 1438 write(string,wcslen(string) * sizeof(wchar_t)); | |
| 1439 #else | |
| 1440 for (; *string; string++) | |
| 1441 { | |
| 1442 writedchar(*string); | |
| 1443 } | |
| 1444 #endif | |
| 1445 } | |
| 1446 | |
| 1447 void OutBuffer::prependstring(char *string) | |
| 1448 { unsigned len; | |
| 1449 | |
| 1450 len = strlen(string); | |
| 1451 reserve(len); | |
| 1452 memmove(data + len, data, offset); | |
| 1453 memcpy(data, string, len); | |
| 1454 offset += len; | |
| 1455 } | |
| 1456 | |
| 1457 void OutBuffer::writenl() | |
| 1458 { | |
| 1459 #if _WIN32 | |
| 1460 #if M_UNICODE | |
| 1461 write4(0x000A000D); // newline is CR,LF on Microsoft OS's | |
| 1462 #else | |
| 1463 writeword(0x0A0D); // newline is CR,LF on Microsoft OS's | |
| 1464 #endif | |
| 1465 #else | |
| 1466 #if M_UNICODE | |
| 1467 writeword('\n'); | |
| 1468 #else | |
| 1469 writeByte('\n'); | |
| 1470 #endif | |
| 1471 #endif | |
| 1472 } | |
| 1473 | |
| 1474 void OutBuffer::writeByte(unsigned b) | |
| 1475 { | |
| 1476 reserve(1); | |
| 1477 this->data[offset] = (unsigned char)b; | |
| 1478 offset++; | |
| 1479 } | |
| 1480 | |
| 1481 void OutBuffer::writeUTF8(unsigned b) | |
| 1482 { | |
| 1483 reserve(6); | |
| 1484 if (b <= 0x7F) | |
| 1485 { | |
| 1486 this->data[offset] = (unsigned char)b; | |
| 1487 offset++; | |
| 1488 } | |
| 1489 else if (b <= 0x7FF) | |
| 1490 { | |
| 1491 this->data[offset + 0] = (unsigned char)((b >> 6) | 0xC0); | |
| 1492 this->data[offset + 1] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1493 offset += 2; | |
| 1494 } | |
| 1495 else if (b <= 0xFFFF) | |
| 1496 { | |
| 1497 this->data[offset + 0] = (unsigned char)((b >> 12) | 0xE0); | |
| 1498 this->data[offset + 1] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1499 this->data[offset + 2] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1500 offset += 3; | |
| 1501 } | |
| 1502 else if (b <= 0x1FFFFF) | |
| 1503 { | |
| 1504 this->data[offset + 0] = (unsigned char)((b >> 18) | 0xF0); | |
| 1505 this->data[offset + 1] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1506 this->data[offset + 2] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1507 this->data[offset + 3] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1508 offset += 4; | |
| 1509 } | |
| 1510 else if (b <= 0x3FFFFFF) | |
| 1511 { | |
| 1512 this->data[offset + 0] = (unsigned char)((b >> 24) | 0xF8); | |
| 1513 this->data[offset + 1] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1514 this->data[offset + 2] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1515 this->data[offset + 3] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1516 this->data[offset + 4] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1517 offset += 5; | |
| 1518 } | |
| 1519 else if (b <= 0x7FFFFFFF) | |
| 1520 { | |
| 1521 this->data[offset + 0] = (unsigned char)((b >> 30) | 0xFC); | |
| 1522 this->data[offset + 1] = (unsigned char)(((b >> 24) & 0x3F) | 0x80); | |
| 1523 this->data[offset + 2] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1524 this->data[offset + 3] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1525 this->data[offset + 4] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1526 this->data[offset + 5] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1527 offset += 6; | |
| 1528 } | |
| 1529 else | |
| 1530 assert(0); | |
| 1531 } | |
| 1532 | |
| 1533 void OutBuffer::writedchar(unsigned b) | |
| 1534 { | |
| 1535 reserve(Dchar_mbmax * sizeof(dchar)); | |
| 1536 offset = (unsigned char *)Dchar::put((dchar *)(this->data + offset), (dchar)b) - | |
| 1537 this->data; | |
| 1538 } | |
| 1539 | |
| 1540 void OutBuffer::prependbyte(unsigned b) | |
| 1541 { | |
| 1542 reserve(1); | |
| 1543 memmove(data + 1, data, offset); | |
| 1544 data[0] = (unsigned char)b; | |
| 1545 offset++; | |
| 1546 } | |
| 1547 | |
| 1548 void OutBuffer::writeword(unsigned w) | |
| 1549 { | |
| 1550 reserve(2); | |
| 1551 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1552 offset += 2; | |
| 1553 } | |
| 1554 | |
| 1555 void OutBuffer::writeUTF16(unsigned w) | |
| 1556 { | |
| 1557 reserve(4); | |
| 1558 if (w <= 0xFFFF) | |
| 1559 { | |
| 1560 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1561 offset += 2; | |
| 1562 } | |
| 1563 else if (w <= 0x10FFFF) | |
| 1564 { | |
| 1565 *(unsigned short *)(this->data + offset) = (unsigned short)((w >> 10) + 0xD7C0); | |
| 1566 *(unsigned short *)(this->data + offset + 2) = (unsigned short)((w & 0x3FF) | 0xDC00); | |
| 1567 offset += 4; | |
| 1568 } | |
| 1569 else | |
| 1570 assert(0); | |
| 1571 } | |
| 1572 | |
| 1573 void OutBuffer::write4(unsigned w) | |
| 1574 { | |
| 1575 reserve(4); | |
| 1576 *(unsigned long *)(this->data + offset) = w; | |
| 1577 offset += 4; | |
| 1578 } | |
| 1579 | |
| 1580 void OutBuffer::write(OutBuffer *buf) | |
| 1581 { | |
| 1582 if (buf) | |
| 1583 { reserve(buf->offset); | |
| 1584 memcpy(data + offset, buf->data, buf->offset); | |
| 1585 offset += buf->offset; | |
| 1586 } | |
| 1587 } | |
| 1588 | |
| 1589 void OutBuffer::write(Object *obj) | |
| 1590 { | |
| 1591 if (obj) | |
| 1592 { | |
| 1593 writestring(obj->toChars()); | |
| 1594 } | |
| 1595 } | |
| 1596 | |
| 1597 void OutBuffer::fill0(unsigned nbytes) | |
| 1598 { | |
| 1599 reserve(nbytes); | |
| 1600 memset(data + offset,0,nbytes); | |
| 1601 offset += nbytes; | |
| 1602 } | |
| 1603 | |
| 1604 void OutBuffer::align(unsigned size) | |
| 1605 { unsigned nbytes; | |
| 1606 | |
| 1607 nbytes = ((offset + size - 1) & ~(size - 1)) - offset; | |
| 1608 fill0(nbytes); | |
| 1609 } | |
| 1610 | |
| 1611 void OutBuffer::vprintf(const char *format, va_list args) | |
| 1612 { | |
| 1613 char buffer[128]; | |
| 1614 char *p; | |
| 1615 unsigned psize; | |
| 1616 int count; | |
| 1617 | |
| 1618 p = buffer; | |
| 1619 psize = sizeof(buffer); | |
| 1620 for (;;) | |
| 1621 { | |
| 1622 #if _WIN32 | |
| 1623 count = _vsnprintf(p,psize,format,args); | |
| 1624 if (count != -1) | |
| 1625 break; | |
| 1626 psize *= 2; | |
| 1627 #endif | |
| 1628 #if linux | |
| 1629 count = vsnprintf(p,psize,format,args); | |
| 1630 if (count == -1) | |
| 1631 psize *= 2; | |
| 1632 else if (count >= psize) | |
| 1633 psize = count + 1; | |
| 1634 else | |
| 1635 break; | |
| 1636 #endif | |
| 1637 p = (char *) alloca(psize); // buffer too small, try again with larger size | |
| 1638 } | |
| 1639 write(p,count); | |
| 1640 } | |
| 1641 | |
| 1642 #if M_UNICODE | |
| 1643 void OutBuffer::vprintf(const wchar_t *format, va_list args) | |
| 1644 { | |
| 1645 dchar buffer[128]; | |
| 1646 dchar *p; | |
| 1647 unsigned psize; | |
| 1648 int count; | |
| 1649 | |
| 1650 p = buffer; | |
| 1651 psize = sizeof(buffer) / sizeof(buffer[0]); | |
| 1652 for (;;) | |
| 1653 { | |
| 1654 #if _WIN32 | |
| 1655 count = _vsnwprintf(p,psize,format,args); | |
| 1656 if (count != -1) | |
| 1657 break; | |
| 1658 psize *= 2; | |
| 1659 #endif | |
| 1660 #if linux | |
| 1661 count = vsnwprintf(p,psize,format,args); | |
| 1662 if (count == -1) | |
| 1663 psize *= 2; | |
| 1664 else if (count >= psize) | |
| 1665 psize = count + 1; | |
| 1666 else | |
| 1667 break; | |
| 1668 #endif | |
| 1669 p = (dchar *) alloca(psize * 2); // buffer too small, try again with larger size | |
| 1670 } | |
| 1671 write(p,count * 2); | |
| 1672 } | |
| 1673 #endif | |
| 1674 | |
| 1675 void OutBuffer::printf(const char *format, ...) | |
| 1676 { | |
| 1677 va_list ap; | |
| 1678 va_start(ap, format); | |
| 1679 vprintf(format,ap); | |
| 1680 va_end(ap); | |
| 1681 } | |
| 1682 | |
| 1683 #if M_UNICODE | |
| 1684 void OutBuffer::printf(const wchar_t *format, ...) | |
| 1685 { | |
| 1686 va_list ap; | |
| 1687 va_start(ap, format); | |
| 1688 vprintf(format,ap); | |
| 1689 va_end(ap); | |
| 1690 } | |
| 1691 #endif | |
| 1692 | |
| 1693 void OutBuffer::bracket(char left, char right) | |
| 1694 { | |
| 1695 reserve(2); | |
| 1696 memmove(data + 1, data, offset); | |
| 1697 data[0] = left; | |
| 1698 data[offset + 1] = right; | |
| 1699 offset += 2; | |
| 1700 } | |
| 1701 | |
| 1702 /****************** | |
| 1703 * Insert left at i, and right at j. | |
| 1704 * Return index just past right. | |
| 1705 */ | |
| 1706 | |
| 1707 unsigned OutBuffer::bracket(unsigned i, char *left, unsigned j, char *right) | |
| 1708 { | |
| 1709 size_t leftlen = strlen(left); | |
| 1710 size_t rightlen = strlen(right); | |
| 1711 reserve(leftlen + rightlen); | |
| 1712 insert(i, left, leftlen); | |
| 1713 insert(j + leftlen, right, rightlen); | |
| 1714 return j + leftlen + rightlen; | |
| 1715 } | |
| 1716 | |
| 1717 void OutBuffer::spread(unsigned offset, unsigned nbytes) | |
| 1718 { | |
| 1719 reserve(nbytes); | |
| 1720 memmove(data + offset + nbytes, data + offset, | |
| 1721 this->offset - offset); | |
| 1722 this->offset += nbytes; | |
| 1723 } | |
| 1724 | |
| 1725 /**************************************** | |
| 1726 * Returns: offset + nbytes | |
| 1727 */ | |
| 1728 | |
| 1729 unsigned OutBuffer::insert(unsigned offset, const void *p, unsigned nbytes) | |
| 1730 { | |
| 1731 spread(offset, nbytes); | |
| 1732 memmove(data + offset, p, nbytes); | |
| 1733 return offset + nbytes; | |
| 1734 } | |
| 1735 | |
| 1736 void OutBuffer::remove(unsigned offset, unsigned nbytes) | |
| 1737 { | |
| 1738 memmove(data + offset, data + offset + nbytes, this->offset - (offset + nbytes)); | |
| 1739 this->offset -= nbytes; | |
| 1740 } | |
| 1741 | |
| 1742 char *OutBuffer::toChars() | |
| 1743 { | |
| 1744 writeByte(0); | |
| 1745 return (char *)data; | |
| 1746 } | |
| 1747 | |
| 1748 /********************************* Bits ****************************/ | |
| 1749 | |
| 1750 Bits::Bits() | |
| 1751 { | |
| 1752 data = NULL; | |
| 1753 bitdim = 0; | |
| 1754 allocdim = 0; | |
| 1755 } | |
| 1756 | |
| 1757 Bits::~Bits() | |
| 1758 { | |
| 1759 mem.free(data); | |
| 1760 } | |
| 1761 | |
| 1762 void Bits::mark() | |
| 1763 { | |
| 1764 mem.mark(data); | |
| 1765 } | |
| 1766 | |
| 1767 void Bits::resize(unsigned bitdim) | |
| 1768 { | |
| 1769 unsigned allocdim; | |
| 1770 unsigned mask; | |
| 1771 | |
| 1772 allocdim = (bitdim + 31) / 32; | |
| 1773 data = (unsigned *)mem.realloc(data, allocdim * sizeof(data[0])); | |
| 1774 if (this->allocdim < allocdim) | |
| 1775 memset(data + this->allocdim, 0, (allocdim - this->allocdim) * sizeof(data[0])); | |
| 1776 | |
| 1777 // Clear other bits in last word | |
| 1778 mask = (1 << (bitdim & 31)) - 1; | |
| 1779 if (mask) | |
| 1780 data[allocdim - 1] &= ~mask; | |
| 1781 | |
| 1782 this->bitdim = bitdim; | |
| 1783 this->allocdim = allocdim; | |
| 1784 } | |
| 1785 | |
| 1786 void Bits::set(unsigned bitnum) | |
| 1787 { | |
| 1788 data[bitnum / 32] |= 1 << (bitnum & 31); | |
| 1789 } | |
| 1790 | |
| 1791 void Bits::clear(unsigned bitnum) | |
| 1792 { | |
| 1793 data[bitnum / 32] &= ~(1 << (bitnum & 31)); | |
| 1794 } | |
| 1795 | |
| 1796 int Bits::test(unsigned bitnum) | |
| 1797 { | |
| 1798 return data[bitnum / 32] & (1 << (bitnum & 31)); | |
| 1799 } | |
| 1800 | |
| 1801 void Bits::set() | |
| 1802 { unsigned mask; | |
| 1803 | |
| 1804 memset(data, ~0, allocdim * sizeof(data[0])); | |
| 1805 | |
| 1806 // Clear other bits in last word | |
| 1807 mask = (1 << (bitdim & 31)) - 1; | |
| 1808 if (mask) | |
| 1809 data[allocdim - 1] &= mask; | |
| 1810 } | |
| 1811 | |
| 1812 void Bits::clear() | |
| 1813 { | |
| 1814 memset(data, 0, allocdim * sizeof(data[0])); | |
| 1815 } | |
| 1816 | |
| 1817 void Bits::copy(Bits *from) | |
| 1818 { | |
| 1819 assert(bitdim == from->bitdim); | |
| 1820 memcpy(data, from->data, allocdim * sizeof(data[0])); | |
| 1821 } | |
| 1822 | |
| 1823 Bits *Bits::clone() | |
| 1824 { | |
| 1825 Bits *b; | |
| 1826 | |
| 1827 b = new Bits(); | |
| 1828 b->resize(bitdim); | |
| 1829 b->copy(this); | |
| 1830 return b; | |
| 1831 } | |
| 1832 | |
| 1833 void Bits::sub(Bits *b) | |
| 1834 { | |
| 1835 unsigned u; | |
| 1836 | |
| 1837 for (u = 0; u < allocdim; u++) | |
| 1838 data[u] &= ~b->data[u]; | |
| 1839 } | |
| 1840 | |
| 1841 | |
| 1842 | |
| 1843 | |
| 1844 | |
| 1845 | |
| 1846 | |
| 1847 | |
| 1848 | |
| 1849 | |
| 1850 | |
| 1851 | |
| 1852 | |
| 1853 | |
| 1854 |