Mercurial > projects > ldc
annotate dmd/root.c @ 430:120cb5ea9eea
Missed a line in the dmdfe path code.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Tue, 29 Jul 2008 17:45:28 +0200 |
| parents | 6bd99cc5eb08 |
| children | 3dd9ae9ea708 |
| 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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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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Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
489 return |
| 336 | 490 #if _WIN32 |
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6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
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.
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parents:
336
diff
changeset
|
493 (*name && name[1] == ':') || |
| 336 | 494 #endif |
|
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parents:
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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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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 break; | |
| 523 #endif | |
| 524 default: | |
| 525 if (e == str) | |
| 526 break; | |
| 527 e--; | |
| 528 continue; | |
| 529 } | |
| 530 return NULL; | |
| 531 } | |
| 532 } | |
| 533 | |
| 534 char *FileName::ext() | |
| 535 { | |
| 536 return ext(str); | |
| 537 } | |
| 538 | |
| 539 /******************************** | |
| 540 * Return mem.malloc'd filename with extension removed. | |
| 541 */ | |
| 542 | |
| 543 char *FileName::removeExt(const char *str) | |
| 544 { | |
| 545 const char *e = ext(str); | |
| 546 if (e) | |
| 547 { size_t len = (e - str) - 1; | |
| 548 char *n = (char *)mem.malloc(len + 1); | |
| 549 memcpy(n, str, len); | |
| 550 n[len] = 0; | |
| 551 return n; | |
| 552 } | |
| 553 return mem.strdup(str); | |
| 554 } | |
| 555 | |
| 556 /******************************** | |
| 557 * Return filename name excluding path (read-only). | |
| 558 */ | |
| 559 | |
| 560 char *FileName::name(const char *str) | |
| 561 { | |
| 562 char *e; | |
| 563 size_t len = strlen(str); | |
| 564 | |
| 565 e = (char *)str + len; | |
| 566 for (;;) | |
| 567 { | |
| 568 switch (*e) | |
| 569 { | |
|
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Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
570 |
| 336 | 571 case '/': |
| 572 return e + 1; | |
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6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
573 |
| 336 | 574 #if _WIN32 |
| 575 case '\\': | |
| 576 case ':': | |
| 577 return e + 1; | |
| 578 #endif | |
| 579 default: | |
| 580 if (e == str) | |
| 581 break; | |
| 582 e--; | |
| 583 continue; | |
| 584 } | |
| 585 return e; | |
| 586 } | |
| 587 } | |
| 588 | |
| 589 char *FileName::name() | |
| 590 { | |
| 591 return name(str); | |
| 592 } | |
| 593 | |
| 594 /************************************** | |
| 595 * Return path portion of str. | |
| 596 * Path will does not include trailing path separator. | |
| 597 */ | |
| 598 | |
| 599 char *FileName::path(const char *str) | |
| 600 { | |
| 601 char *n = name(str); | |
| 602 char *path; | |
| 603 size_t pathlen; | |
| 604 | |
| 605 if (n > str) | |
| 606 { | |
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parents:
336
diff
changeset
|
607 |
| 336 | 608 if (n[-1] == '/') |
| 609 n--; | |
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Allow / as a path separator on Windows.
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parents:
336
diff
changeset
|
610 |
| 336 | 611 #if _WIN32 |
| 612 if (n[-1] == '\\') | |
| 613 n--; | |
| 614 #endif | |
| 615 } | |
| 616 pathlen = n - str; | |
| 617 path = (char *)mem.malloc(pathlen + 1); | |
| 618 memcpy(path, str, pathlen); | |
| 619 path[pathlen] = 0; | |
| 620 return path; | |
| 621 } | |
| 622 | |
| 623 /************************************** | |
| 624 * Replace filename portion of path. | |
| 625 */ | |
| 626 | |
| 627 char *FileName::replaceName(char *path, char *name) | |
| 628 { char *f; | |
| 629 char *n; | |
| 630 size_t pathlen; | |
| 631 size_t namelen; | |
| 632 | |
| 633 if (absolute(name)) | |
| 634 return name; | |
| 635 | |
| 636 n = FileName::name(path); | |
| 637 if (n == path) | |
| 638 return name; | |
| 639 pathlen = n - path; | |
| 640 namelen = strlen(name); | |
| 641 f = (char *)mem.malloc(pathlen + 1 + namelen + 1); | |
| 642 memcpy(f, path, pathlen); | |
|
429
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Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
643 |
| 336 | 644 if (path[pathlen - 1] != '/') |
| 645 { f[pathlen] = '/'; | |
| 646 pathlen++; | |
| 647 } | |
|
429
6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
648 |
| 336 | 649 #if _WIN32 |
| 650 if (path[pathlen - 1] != '\\' && path[pathlen - 1] != ':') | |
| 651 { f[pathlen] = '\\'; | |
| 652 pathlen++; | |
| 653 } | |
| 654 #endif | |
| 655 memcpy(f + pathlen, name, namelen + 1); | |
| 656 return f; | |
| 657 } | |
| 658 | |
| 659 /*************************** | |
| 660 */ | |
| 661 | |
| 662 FileName *FileName::defaultExt(const char *name, const char *ext) | |
| 663 { | |
| 664 char *e; | |
| 665 char *s; | |
| 666 size_t len; | |
| 667 size_t extlen; | |
| 668 | |
| 669 e = FileName::ext(name); | |
| 670 if (e) // if already has an extension | |
| 671 return new FileName((char *)name, 0); | |
| 672 | |
| 673 len = strlen(name); | |
| 674 extlen = strlen(ext); | |
| 675 s = (char *)alloca(len + 1 + extlen + 1); | |
| 676 memcpy(s,name,len); | |
| 677 s[len] = '.'; | |
| 678 memcpy(s + len + 1, ext, extlen + 1); | |
| 679 return new FileName(s, 0); | |
| 680 } | |
| 681 | |
| 682 /*************************** | |
| 683 */ | |
| 684 | |
| 685 FileName *FileName::forceExt(const char *name, const char *ext) | |
| 686 { | |
| 687 char *e; | |
| 688 char *s; | |
| 689 size_t len; | |
| 690 size_t extlen; | |
| 691 | |
| 692 e = FileName::ext(name); | |
| 693 if (e) // if already has an extension | |
| 694 { | |
| 695 len = e - name; | |
| 696 extlen = strlen(ext); | |
| 697 | |
| 698 s = (char *)alloca(len + extlen + 1); | |
| 699 memcpy(s,name,len); | |
| 700 memcpy(s + len, ext, extlen + 1); | |
| 701 return new FileName(s, 0); | |
| 702 } | |
| 703 else | |
| 704 return defaultExt(name, ext); // doesn't have one | |
| 705 } | |
| 706 | |
| 707 /****************************** | |
| 708 * Return !=0 if extensions match. | |
| 709 */ | |
| 710 | |
| 711 int FileName::equalsExt(const char *ext) | |
| 712 { const char *e; | |
| 713 | |
| 714 e = FileName::ext(); | |
| 715 if (!e && !ext) | |
| 716 return 1; | |
| 717 if (!e || !ext) | |
| 718 return 0; | |
| 719 #if linux | |
| 720 return strcmp(e,ext) == 0; | |
| 721 #endif | |
| 722 #if _WIN32 | |
| 723 return stricmp(e,ext) == 0; | |
| 724 #endif | |
| 725 } | |
| 726 | |
| 727 /************************************* | |
| 728 * Copy file from this to to. | |
| 729 */ | |
| 730 | |
| 731 void FileName::CopyTo(FileName *to) | |
| 732 { | |
| 733 File file(this); | |
| 734 | |
| 735 #if _WIN32 | |
| 736 file.touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); // keep same file time | |
| 737 #endif | |
| 738 #if linux | |
| 739 file.touchtime = mem.malloc(sizeof(struct stat)); // keep same file time | |
| 740 #endif | |
| 741 file.readv(); | |
| 742 file.name = to; | |
| 743 file.writev(); | |
| 744 } | |
| 745 | |
| 746 /************************************* | |
| 747 * Search Path for file. | |
| 748 * Input: | |
| 749 * cwd if !=0, search current directory before searching path | |
| 750 */ | |
| 751 | |
| 752 char *FileName::searchPath(Array *path, char *name, int cwd) | |
| 753 { | |
| 754 if (absolute(name)) | |
| 755 { | |
| 756 return exists(name) ? name : NULL; | |
| 757 } | |
| 758 if (cwd) | |
| 759 { | |
| 760 if (exists(name)) | |
| 761 return name; | |
| 762 } | |
| 763 if (path) | |
| 764 { unsigned i; | |
| 765 | |
| 766 for (i = 0; i < path->dim; i++) | |
| 767 { | |
| 768 char *p = (char *)path->data[i]; | |
| 769 char *n = combine(p, name); | |
| 770 | |
| 771 if (exists(n)) | |
| 772 return n; | |
| 773 } | |
| 774 } | |
| 775 return NULL; | |
| 776 } | |
| 777 | |
| 778 int FileName::exists(const char *name) | |
| 779 { | |
| 780 #if linux | |
| 781 struct stat st; | |
| 782 | |
| 783 if (stat(name, &st) < 0) | |
| 784 return 0; | |
| 785 if (S_ISDIR(st.st_mode)) | |
| 786 return 2; | |
| 787 return 1; | |
| 788 #endif | |
| 789 #if _WIN32 | |
| 790 DWORD dw; | |
| 791 int result; | |
| 792 | |
| 793 dw = GetFileAttributesA(name); | |
| 794 if (dw == -1L) | |
| 795 result = 0; | |
| 796 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 797 result = 2; | |
| 798 else | |
| 799 result = 1; | |
| 800 return result; | |
| 801 #endif | |
| 802 } | |
| 803 | |
| 804 void FileName::ensurePathExists(const char *path) | |
| 805 { | |
| 806 //printf("FileName::ensurePathExists(%s)\n", path ? path : ""); | |
| 807 if (path && *path) | |
| 808 { | |
| 809 if (!exists(path)) | |
| 810 { | |
| 811 char *p = FileName::path(path); | |
| 812 if (*p) | |
| 813 { | |
| 814 #if _WIN32 | |
| 815 size_t len = strlen(p); | |
| 816 if (len > 2 && p[-1] == ':') | |
| 817 { mem.free(p); | |
| 818 return; | |
| 819 } | |
| 820 #endif | |
| 821 ensurePathExists(p); | |
| 822 mem.free(p); | |
| 823 } | |
| 824 #if _WIN32 | |
| 825 if (path[strlen(path) - 1] != '\\') | |
| 826 #endif | |
| 827 #if linux | |
| 828 if (path[strlen(path) - 1] != '\\') | |
| 829 #endif | |
| 830 { | |
| 831 //printf("mkdir(%s)\n", path); | |
| 832 #if _WIN32 | |
| 833 if (mkdir(path)) | |
| 834 #endif | |
| 835 #if linux | |
| 836 if (mkdir(path, 0777)) | |
| 837 #endif | |
| 838 error("cannot create directory %s", path); | |
| 839 } | |
| 840 } | |
| 841 } | |
| 842 } | |
| 843 | |
| 844 /****************************** File ********************************/ | |
| 845 | |
| 846 File::File(FileName *n) | |
| 847 { | |
| 848 ref = 0; | |
| 849 buffer = NULL; | |
| 850 len = 0; | |
| 851 touchtime = NULL; | |
| 852 name = n; | |
| 853 } | |
| 854 | |
| 855 File::File(char *n) | |
| 856 { | |
| 857 ref = 0; | |
| 858 buffer = NULL; | |
| 859 len = 0; | |
| 860 touchtime = NULL; | |
| 861 name = new FileName(n, 0); | |
| 862 } | |
| 863 | |
| 864 File::~File() | |
| 865 { | |
| 866 if (buffer) | |
| 867 { | |
| 868 if (ref == 0) | |
| 869 mem.free(buffer); | |
| 870 #if _WIN32 | |
| 871 else if (ref == 2) | |
| 872 UnmapViewOfFile(buffer); | |
| 873 #endif | |
| 874 } | |
| 875 if (touchtime) | |
| 876 mem.free(touchtime); | |
| 877 } | |
| 878 | |
| 879 void File::mark() | |
| 880 { | |
| 881 mem.mark(buffer); | |
| 882 mem.mark(touchtime); | |
| 883 mem.mark(name); | |
| 884 } | |
| 885 | |
| 886 /************************************* | |
| 887 */ | |
| 888 | |
| 889 int File::read() | |
| 890 { | |
| 891 #if linux | |
| 892 off_t size; | |
| 893 ssize_t numread; | |
| 894 int fd; | |
| 895 struct stat buf; | |
| 896 int result = 0; | |
| 897 char *name; | |
| 898 | |
| 899 name = this->name->toChars(); | |
| 900 //printf("File::read('%s')\n",name); | |
| 901 fd = open(name, O_RDONLY); | |
| 902 if (fd == -1) | |
| 903 { result = errno; | |
| 904 //printf("\topen error, errno = %d\n",errno); | |
| 905 goto err1; | |
| 906 } | |
| 907 | |
| 908 if (!ref) | |
| 909 mem.free(buffer); | |
| 910 ref = 0; // we own the buffer now | |
| 911 | |
| 912 //printf("\tfile opened\n"); | |
| 913 if (fstat(fd, &buf)) | |
| 914 { | |
| 915 printf("\tfstat error, errno = %d\n",errno); | |
| 916 goto err2; | |
| 917 } | |
| 918 size = buf.st_size; | |
| 919 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 920 if (!buffer) | |
| 921 { | |
| 922 printf("\tmalloc error, errno = %d\n",errno); | |
| 923 goto err2; | |
| 924 } | |
| 925 | |
| 926 numread = ::read(fd, buffer, size); | |
| 927 if (numread != size) | |
| 928 { | |
| 929 printf("\tread error, errno = %d\n",errno); | |
| 930 goto err2; | |
| 931 } | |
| 932 | |
| 933 if (touchtime) | |
| 934 memcpy(touchtime, &buf, sizeof(buf)); | |
| 935 | |
| 936 if (close(fd) == -1) | |
| 937 { | |
| 938 printf("\tclose error, errno = %d\n",errno); | |
| 939 goto err; | |
| 940 } | |
| 941 | |
| 942 len = size; | |
| 943 | |
| 944 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 945 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 946 buffer[size + 1] = 0; | |
| 947 return 0; | |
| 948 | |
| 949 err2: | |
| 950 close(fd); | |
| 951 err: | |
| 952 mem.free(buffer); | |
| 953 buffer = NULL; | |
| 954 len = 0; | |
| 955 | |
| 956 err1: | |
| 957 result = 1; | |
| 958 return result; | |
| 959 #endif | |
| 960 #if _WIN32 | |
| 961 DWORD size; | |
| 962 DWORD numread; | |
| 963 HANDLE h; | |
| 964 int result = 0; | |
| 965 char *name; | |
| 966 | |
| 967 name = this->name->toChars(); | |
| 968 h = CreateFileA(name,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING, | |
| 969 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,0); | |
| 970 if (h == INVALID_HANDLE_VALUE) | |
| 971 goto err1; | |
| 972 | |
| 973 if (!ref) | |
| 974 mem.free(buffer); | |
| 975 ref = 0; | |
| 976 | |
| 977 size = GetFileSize(h,NULL); | |
| 978 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 979 if (!buffer) | |
| 980 goto err2; | |
| 981 | |
| 982 if (ReadFile(h,buffer,size,&numread,NULL) != TRUE) | |
| 983 goto err2; | |
| 984 | |
| 985 if (numread != size) | |
| 986 goto err2; | |
| 987 | |
| 988 if (touchtime) | |
| 989 { | |
| 990 if (!GetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime)) | |
| 991 goto err2; | |
| 992 } | |
| 993 | |
| 994 if (!CloseHandle(h)) | |
| 995 goto err; | |
| 996 | |
| 997 len = size; | |
| 998 | |
| 999 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 1000 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 1001 buffer[size + 1] = 0; | |
| 1002 return 0; | |
| 1003 | |
| 1004 err2: | |
| 1005 CloseHandle(h); | |
| 1006 err: | |
| 1007 mem.free(buffer); | |
| 1008 buffer = NULL; | |
| 1009 len = 0; | |
| 1010 | |
| 1011 err1: | |
| 1012 result = 1; | |
| 1013 return result; | |
| 1014 #endif | |
| 1015 } | |
| 1016 | |
| 1017 /***************************** | |
| 1018 * Read a file with memory mapped file I/O. | |
| 1019 */ | |
| 1020 | |
| 1021 int File::mmread() | |
| 1022 { | |
| 1023 #if linux | |
| 1024 return read(); | |
| 1025 #endif | |
| 1026 #if _WIN32 | |
| 1027 HANDLE hFile; | |
| 1028 HANDLE hFileMap; | |
| 1029 DWORD size; | |
| 1030 char *name; | |
| 1031 | |
| 1032 name = this->name->toChars(); | |
| 1033 hFile = CreateFile(name, GENERIC_READ, | |
| 1034 FILE_SHARE_READ, NULL, | |
| 1035 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
| 1036 if (hFile == INVALID_HANDLE_VALUE) | |
| 1037 goto Lerr; | |
| 1038 size = GetFileSize(hFile, NULL); | |
| 1039 //printf(" file created, size %d\n", size); | |
| 1040 | |
| 1041 hFileMap = CreateFileMapping(hFile,NULL,PAGE_READONLY,0,size,NULL); | |
| 1042 if (CloseHandle(hFile) != TRUE) | |
| 1043 goto Lerr; | |
| 1044 | |
| 1045 if (hFileMap == NULL) | |
| 1046 goto Lerr; | |
| 1047 | |
| 1048 //printf(" mapping created\n"); | |
| 1049 | |
| 1050 if (!ref) | |
| 1051 mem.free(buffer); | |
| 1052 ref = 2; | |
| 1053 buffer = (unsigned char *)MapViewOfFileEx(hFileMap, FILE_MAP_READ,0,0,size,NULL); | |
| 1054 if (CloseHandle(hFileMap) != TRUE) | |
| 1055 goto Lerr; | |
| 1056 if (buffer == NULL) // mapping view failed | |
| 1057 goto Lerr; | |
| 1058 | |
| 1059 len = size; | |
| 1060 //printf(" buffer = %p\n", buffer); | |
| 1061 | |
| 1062 return 0; | |
| 1063 | |
| 1064 Lerr: | |
| 1065 return GetLastError(); // failure | |
| 1066 #endif | |
| 1067 } | |
| 1068 | |
| 1069 /********************************************* | |
| 1070 * Write a file. | |
| 1071 * Returns: | |
| 1072 * 0 success | |
| 1073 */ | |
| 1074 | |
| 1075 int File::write() | |
| 1076 { | |
| 1077 #if linux | |
| 1078 int fd; | |
| 1079 ssize_t numwritten; | |
| 1080 char *name; | |
| 1081 | |
| 1082 name = this->name->toChars(); | |
| 1083 fd = open(name, O_CREAT | O_WRONLY | O_TRUNC, 0644); | |
| 1084 if (fd == -1) | |
| 1085 goto err; | |
| 1086 | |
| 1087 numwritten = ::write(fd, buffer, len); | |
| 1088 if (len != numwritten) | |
| 1089 goto err2; | |
| 1090 | |
| 1091 if (close(fd) == -1) | |
| 1092 goto err; | |
| 1093 | |
| 1094 if (touchtime) | |
| 1095 { struct utimbuf ubuf; | |
| 1096 | |
| 1097 ubuf.actime = ((struct stat *)touchtime)->st_atime; | |
| 1098 ubuf.modtime = ((struct stat *)touchtime)->st_mtime; | |
| 1099 if (utime(name, &ubuf)) | |
| 1100 goto err; | |
| 1101 } | |
| 1102 return 0; | |
| 1103 | |
| 1104 err2: | |
| 1105 close(fd); | |
| 1106 ::remove(name); | |
| 1107 err: | |
| 1108 return 1; | |
| 1109 #endif | |
| 1110 #if _WIN32 | |
| 1111 HANDLE h; | |
| 1112 DWORD numwritten; | |
| 1113 char *name; | |
| 1114 | |
| 1115 name = this->name->toChars(); | |
| 1116 h = CreateFileA(name,GENERIC_WRITE,0,NULL,CREATE_ALWAYS, | |
| 1117 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1118 if (h == INVALID_HANDLE_VALUE) | |
| 1119 goto err; | |
| 1120 | |
| 1121 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1122 goto err2; | |
| 1123 | |
| 1124 if (len != numwritten) | |
| 1125 goto err2; | |
| 1126 | |
| 1127 if (touchtime) { | |
| 1128 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1129 } | |
| 1130 if (!CloseHandle(h)) | |
| 1131 goto err; | |
| 1132 return 0; | |
| 1133 | |
| 1134 err2: | |
| 1135 CloseHandle(h); | |
| 1136 DeleteFileA(name); | |
| 1137 err: | |
| 1138 return 1; | |
| 1139 #endif | |
| 1140 } | |
| 1141 | |
| 1142 /********************************************* | |
| 1143 * Append to a file. | |
| 1144 * Returns: | |
| 1145 * 0 success | |
| 1146 */ | |
| 1147 | |
| 1148 int File::append() | |
| 1149 { | |
| 1150 #if linux | |
| 1151 return 1; | |
| 1152 #endif | |
| 1153 #if _WIN32 | |
| 1154 HANDLE h; | |
| 1155 DWORD numwritten; | |
| 1156 char *name; | |
| 1157 | |
| 1158 name = this->name->toChars(); | |
| 1159 h = CreateFileA(name,GENERIC_WRITE,0,NULL,OPEN_ALWAYS, | |
| 1160 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1161 if (h == INVALID_HANDLE_VALUE) | |
| 1162 goto err; | |
| 1163 | |
| 1164 #if 1 | |
| 1165 SetFilePointer(h, 0, NULL, FILE_END); | |
| 1166 #else // INVALID_SET_FILE_POINTER doesn't seem to have a definition | |
| 1167 if (SetFilePointer(h, 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER) | |
| 1168 goto err; | |
| 1169 #endif | |
| 1170 | |
| 1171 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1172 goto err2; | |
| 1173 | |
| 1174 if (len != numwritten) | |
| 1175 goto err2; | |
| 1176 | |
| 1177 if (touchtime) { | |
| 1178 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1179 } | |
| 1180 if (!CloseHandle(h)) | |
| 1181 goto err; | |
| 1182 return 0; | |
| 1183 | |
| 1184 err2: | |
| 1185 CloseHandle(h); | |
| 1186 err: | |
| 1187 return 1; | |
| 1188 #endif | |
| 1189 } | |
| 1190 | |
| 1191 /************************************** | |
| 1192 */ | |
| 1193 | |
| 1194 void File::readv() | |
| 1195 { | |
| 1196 if (read()) | |
| 1197 error("Error reading file '%s'\n",name->toChars()); | |
| 1198 } | |
| 1199 | |
| 1200 /************************************** | |
| 1201 */ | |
| 1202 | |
| 1203 void File::mmreadv() | |
| 1204 { | |
| 1205 if (mmread()) | |
| 1206 readv(); | |
| 1207 } | |
| 1208 | |
| 1209 void File::writev() | |
| 1210 { | |
| 1211 if (write()) | |
| 1212 error("Error writing file '%s'\n",name->toChars()); | |
| 1213 } | |
| 1214 | |
| 1215 void File::appendv() | |
| 1216 { | |
| 1217 if (write()) | |
| 1218 error("Error appending to file '%s'\n",name->toChars()); | |
| 1219 } | |
| 1220 | |
| 1221 /******************************************* | |
| 1222 * Return !=0 if file exists. | |
| 1223 * 0: file doesn't exist | |
| 1224 * 1: normal file | |
| 1225 * 2: directory | |
| 1226 */ | |
| 1227 | |
| 1228 int File::exists() | |
| 1229 { | |
| 1230 #if linux | |
| 1231 return 0; | |
| 1232 #endif | |
| 1233 #if _WIN32 | |
| 1234 DWORD dw; | |
| 1235 int result; | |
| 1236 char *name; | |
| 1237 | |
| 1238 name = this->name->toChars(); | |
| 1239 if (touchtime) | |
| 1240 dw = ((WIN32_FIND_DATAA *)touchtime)->dwFileAttributes; | |
| 1241 else | |
| 1242 dw = GetFileAttributesA(name); | |
| 1243 if (dw == -1L) | |
| 1244 result = 0; | |
| 1245 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 1246 result = 2; | |
| 1247 else | |
| 1248 result = 1; | |
| 1249 return result; | |
| 1250 #endif | |
| 1251 } | |
| 1252 | |
| 1253 void File::remove() | |
| 1254 { | |
| 1255 #if linux | |
| 1256 ::remove(this->name->toChars()); | |
| 1257 #endif | |
| 1258 #if _WIN32 | |
| 1259 DeleteFileA(this->name->toChars()); | |
| 1260 #endif | |
| 1261 } | |
| 1262 | |
| 1263 Array *File::match(char *n) | |
| 1264 { | |
| 1265 return match(new FileName(n, 0)); | |
| 1266 } | |
| 1267 | |
| 1268 Array *File::match(FileName *n) | |
| 1269 { | |
| 1270 #if linux | |
| 1271 return NULL; | |
| 1272 #endif | |
| 1273 #if _WIN32 | |
| 1274 HANDLE h; | |
| 1275 WIN32_FIND_DATAA fileinfo; | |
| 1276 Array *a; | |
| 1277 char *c; | |
| 1278 char *name; | |
| 1279 | |
| 1280 a = new Array(); | |
| 1281 c = n->toChars(); | |
| 1282 name = n->name(); | |
| 1283 h = FindFirstFileA(c,&fileinfo); | |
| 1284 if (h != INVALID_HANDLE_VALUE) | |
| 1285 { | |
| 1286 do | |
| 1287 { | |
| 1288 // Glue path together with name | |
| 1289 char *fn; | |
| 1290 File *f; | |
| 1291 | |
| 1292 fn = (char *)mem.malloc(name - c + strlen(fileinfo.cFileName) + 1); | |
| 1293 memcpy(fn, c, name - c); | |
| 1294 strcpy(fn + (name - c), fileinfo.cFileName); | |
| 1295 f = new File(fn); | |
| 1296 f->touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); | |
| 1297 memcpy(f->touchtime, &fileinfo, sizeof(fileinfo)); | |
| 1298 a->push(f); | |
| 1299 } while (FindNextFileA(h,&fileinfo) != FALSE); | |
| 1300 FindClose(h); | |
| 1301 } | |
| 1302 return a; | |
| 1303 #endif | |
| 1304 } | |
| 1305 | |
| 1306 int File::compareTime(File *f) | |
| 1307 { | |
| 1308 #if linux | |
| 1309 return 0; | |
| 1310 #endif | |
| 1311 #if _WIN32 | |
| 1312 if (!touchtime) | |
| 1313 stat(); | |
| 1314 if (!f->touchtime) | |
| 1315 f->stat(); | |
| 1316 return CompareFileTime(&((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime, &((WIN32_FIND_DATAA *)f->touchtime)->ftLastWriteTime); | |
| 1317 #endif | |
| 1318 } | |
| 1319 | |
| 1320 void File::stat() | |
| 1321 { | |
| 1322 #if linux | |
| 1323 if (!touchtime) | |
| 1324 { | |
| 1325 touchtime = mem.calloc(1, sizeof(struct stat)); | |
| 1326 } | |
| 1327 #endif | |
| 1328 #if _WIN32 | |
| 1329 HANDLE h; | |
| 1330 | |
| 1331 if (!touchtime) | |
| 1332 { | |
| 1333 touchtime = mem.calloc(1, sizeof(WIN32_FIND_DATAA)); | |
| 1334 } | |
| 1335 h = FindFirstFileA(name->toChars(),(WIN32_FIND_DATAA *)touchtime); | |
| 1336 if (h != INVALID_HANDLE_VALUE) | |
| 1337 { | |
| 1338 FindClose(h); | |
| 1339 } | |
| 1340 #endif | |
| 1341 } | |
| 1342 | |
| 1343 void File::checkoffset(size_t offset, size_t nbytes) | |
| 1344 { | |
| 1345 if (offset > len || offset + nbytes > len) | |
| 1346 error("Corrupt file '%s': offset x%"PRIxSIZE" off end of file",toChars(),offset); | |
| 1347 } | |
| 1348 | |
| 1349 char *File::toChars() | |
| 1350 { | |
| 1351 return name->toChars(); | |
| 1352 } | |
| 1353 | |
| 1354 | |
| 1355 /************************* OutBuffer *************************/ | |
| 1356 | |
| 1357 OutBuffer::OutBuffer() | |
| 1358 { | |
| 1359 data = NULL; | |
| 1360 offset = 0; | |
| 1361 size = 0; | |
| 1362 } | |
| 1363 | |
| 1364 OutBuffer::~OutBuffer() | |
| 1365 { | |
| 1366 mem.free(data); | |
| 1367 } | |
| 1368 | |
| 1369 void *OutBuffer::extractData() | |
| 1370 { | |
| 1371 void *p; | |
| 1372 | |
| 1373 p = (void *)data; | |
| 1374 data = NULL; | |
| 1375 offset = 0; | |
| 1376 size = 0; | |
| 1377 return p; | |
| 1378 } | |
| 1379 | |
| 1380 void OutBuffer::mark() | |
| 1381 { | |
| 1382 mem.mark(data); | |
| 1383 } | |
| 1384 | |
| 1385 void OutBuffer::reserve(unsigned nbytes) | |
| 1386 { | |
| 1387 //printf("OutBuffer::reserve: size = %d, offset = %d, nbytes = %d\n", size, offset, nbytes); | |
| 1388 if (size - offset < nbytes) | |
| 1389 { | |
| 1390 size = (offset + nbytes) * 2; | |
| 1391 data = (unsigned char *)mem.realloc(data, size); | |
| 1392 } | |
| 1393 } | |
| 1394 | |
| 1395 void OutBuffer::reset() | |
| 1396 { | |
| 1397 offset = 0; | |
| 1398 } | |
| 1399 | |
| 1400 void OutBuffer::setsize(unsigned size) | |
| 1401 { | |
| 1402 offset = size; | |
| 1403 } | |
| 1404 | |
| 1405 void OutBuffer::write(const void *data, unsigned nbytes) | |
| 1406 { | |
| 1407 reserve(nbytes); | |
| 1408 memcpy(this->data + offset, data, nbytes); | |
| 1409 offset += nbytes; | |
| 1410 } | |
| 1411 | |
| 1412 void OutBuffer::writebstring(unsigned char *string) | |
| 1413 { | |
| 1414 write(string,*string + 1); | |
| 1415 } | |
| 1416 | |
| 1417 void OutBuffer::writestring(const char *string) | |
| 1418 { | |
| 1419 write(string,strlen(string)); | |
| 1420 } | |
| 1421 | |
| 1422 void OutBuffer::writedstring(const char *string) | |
| 1423 { | |
| 1424 #if M_UNICODE | |
| 1425 for (; *string; string++) | |
| 1426 { | |
| 1427 writedchar(*string); | |
| 1428 } | |
| 1429 #else | |
| 1430 write(string,strlen(string)); | |
| 1431 #endif | |
| 1432 } | |
| 1433 | |
| 1434 void OutBuffer::writedstring(const wchar_t *string) | |
| 1435 { | |
| 1436 #if M_UNICODE | |
| 1437 write(string,wcslen(string) * sizeof(wchar_t)); | |
| 1438 #else | |
| 1439 for (; *string; string++) | |
| 1440 { | |
| 1441 writedchar(*string); | |
| 1442 } | |
| 1443 #endif | |
| 1444 } | |
| 1445 | |
| 1446 void OutBuffer::prependstring(char *string) | |
| 1447 { unsigned len; | |
| 1448 | |
| 1449 len = strlen(string); | |
| 1450 reserve(len); | |
| 1451 memmove(data + len, data, offset); | |
| 1452 memcpy(data, string, len); | |
| 1453 offset += len; | |
| 1454 } | |
| 1455 | |
| 1456 void OutBuffer::writenl() | |
| 1457 { | |
| 1458 #if _WIN32 | |
| 1459 #if M_UNICODE | |
| 1460 write4(0x000A000D); // newline is CR,LF on Microsoft OS's | |
| 1461 #else | |
| 1462 writeword(0x0A0D); // newline is CR,LF on Microsoft OS's | |
| 1463 #endif | |
| 1464 #else | |
| 1465 #if M_UNICODE | |
| 1466 writeword('\n'); | |
| 1467 #else | |
| 1468 writeByte('\n'); | |
| 1469 #endif | |
| 1470 #endif | |
| 1471 } | |
| 1472 | |
| 1473 void OutBuffer::writeByte(unsigned b) | |
| 1474 { | |
| 1475 reserve(1); | |
| 1476 this->data[offset] = (unsigned char)b; | |
| 1477 offset++; | |
| 1478 } | |
| 1479 | |
| 1480 void OutBuffer::writeUTF8(unsigned b) | |
| 1481 { | |
| 1482 reserve(6); | |
| 1483 if (b <= 0x7F) | |
| 1484 { | |
| 1485 this->data[offset] = (unsigned char)b; | |
| 1486 offset++; | |
| 1487 } | |
| 1488 else if (b <= 0x7FF) | |
| 1489 { | |
| 1490 this->data[offset + 0] = (unsigned char)((b >> 6) | 0xC0); | |
| 1491 this->data[offset + 1] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1492 offset += 2; | |
| 1493 } | |
| 1494 else if (b <= 0xFFFF) | |
| 1495 { | |
| 1496 this->data[offset + 0] = (unsigned char)((b >> 12) | 0xE0); | |
| 1497 this->data[offset + 1] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1498 this->data[offset + 2] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1499 offset += 3; | |
| 1500 } | |
| 1501 else if (b <= 0x1FFFFF) | |
| 1502 { | |
| 1503 this->data[offset + 0] = (unsigned char)((b >> 18) | 0xF0); | |
| 1504 this->data[offset + 1] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1505 this->data[offset + 2] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1506 this->data[offset + 3] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1507 offset += 4; | |
| 1508 } | |
| 1509 else if (b <= 0x3FFFFFF) | |
| 1510 { | |
| 1511 this->data[offset + 0] = (unsigned char)((b >> 24) | 0xF8); | |
| 1512 this->data[offset + 1] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1513 this->data[offset + 2] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1514 this->data[offset + 3] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1515 this->data[offset + 4] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1516 offset += 5; | |
| 1517 } | |
| 1518 else if (b <= 0x7FFFFFFF) | |
| 1519 { | |
| 1520 this->data[offset + 0] = (unsigned char)((b >> 30) | 0xFC); | |
| 1521 this->data[offset + 1] = (unsigned char)(((b >> 24) & 0x3F) | 0x80); | |
| 1522 this->data[offset + 2] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1523 this->data[offset + 3] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1524 this->data[offset + 4] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1525 this->data[offset + 5] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1526 offset += 6; | |
| 1527 } | |
| 1528 else | |
| 1529 assert(0); | |
| 1530 } | |
| 1531 | |
| 1532 void OutBuffer::writedchar(unsigned b) | |
| 1533 { | |
| 1534 reserve(Dchar_mbmax * sizeof(dchar)); | |
| 1535 offset = (unsigned char *)Dchar::put((dchar *)(this->data + offset), (dchar)b) - | |
| 1536 this->data; | |
| 1537 } | |
| 1538 | |
| 1539 void OutBuffer::prependbyte(unsigned b) | |
| 1540 { | |
| 1541 reserve(1); | |
| 1542 memmove(data + 1, data, offset); | |
| 1543 data[0] = (unsigned char)b; | |
| 1544 offset++; | |
| 1545 } | |
| 1546 | |
| 1547 void OutBuffer::writeword(unsigned w) | |
| 1548 { | |
| 1549 reserve(2); | |
| 1550 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1551 offset += 2; | |
| 1552 } | |
| 1553 | |
| 1554 void OutBuffer::writeUTF16(unsigned w) | |
| 1555 { | |
| 1556 reserve(4); | |
| 1557 if (w <= 0xFFFF) | |
| 1558 { | |
| 1559 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1560 offset += 2; | |
| 1561 } | |
| 1562 else if (w <= 0x10FFFF) | |
| 1563 { | |
| 1564 *(unsigned short *)(this->data + offset) = (unsigned short)((w >> 10) + 0xD7C0); | |
| 1565 *(unsigned short *)(this->data + offset + 2) = (unsigned short)((w & 0x3FF) | 0xDC00); | |
| 1566 offset += 4; | |
| 1567 } | |
| 1568 else | |
| 1569 assert(0); | |
| 1570 } | |
| 1571 | |
| 1572 void OutBuffer::write4(unsigned w) | |
| 1573 { | |
| 1574 reserve(4); | |
| 1575 *(unsigned long *)(this->data + offset) = w; | |
| 1576 offset += 4; | |
| 1577 } | |
| 1578 | |
| 1579 void OutBuffer::write(OutBuffer *buf) | |
| 1580 { | |
| 1581 if (buf) | |
| 1582 { reserve(buf->offset); | |
| 1583 memcpy(data + offset, buf->data, buf->offset); | |
| 1584 offset += buf->offset; | |
| 1585 } | |
| 1586 } | |
| 1587 | |
| 1588 void OutBuffer::write(Object *obj) | |
| 1589 { | |
| 1590 if (obj) | |
| 1591 { | |
| 1592 writestring(obj->toChars()); | |
| 1593 } | |
| 1594 } | |
| 1595 | |
| 1596 void OutBuffer::fill0(unsigned nbytes) | |
| 1597 { | |
| 1598 reserve(nbytes); | |
| 1599 memset(data + offset,0,nbytes); | |
| 1600 offset += nbytes; | |
| 1601 } | |
| 1602 | |
| 1603 void OutBuffer::align(unsigned size) | |
| 1604 { unsigned nbytes; | |
| 1605 | |
| 1606 nbytes = ((offset + size - 1) & ~(size - 1)) - offset; | |
| 1607 fill0(nbytes); | |
| 1608 } | |
| 1609 | |
| 1610 void OutBuffer::vprintf(const char *format, va_list args) | |
| 1611 { | |
| 1612 char buffer[128]; | |
| 1613 char *p; | |
| 1614 unsigned psize; | |
| 1615 int count; | |
| 1616 | |
| 1617 p = buffer; | |
| 1618 psize = sizeof(buffer); | |
| 1619 for (;;) | |
| 1620 { | |
| 1621 #if _WIN32 | |
| 1622 count = _vsnprintf(p,psize,format,args); | |
| 1623 if (count != -1) | |
| 1624 break; | |
| 1625 psize *= 2; | |
| 1626 #endif | |
| 1627 #if linux | |
| 1628 count = vsnprintf(p,psize,format,args); | |
| 1629 if (count == -1) | |
| 1630 psize *= 2; | |
| 1631 else if (count >= psize) | |
| 1632 psize = count + 1; | |
| 1633 else | |
| 1634 break; | |
| 1635 #endif | |
| 1636 p = (char *) alloca(psize); // buffer too small, try again with larger size | |
| 1637 } | |
| 1638 write(p,count); | |
| 1639 } | |
| 1640 | |
| 1641 #if M_UNICODE | |
| 1642 void OutBuffer::vprintf(const wchar_t *format, va_list args) | |
| 1643 { | |
| 1644 dchar buffer[128]; | |
| 1645 dchar *p; | |
| 1646 unsigned psize; | |
| 1647 int count; | |
| 1648 | |
| 1649 p = buffer; | |
| 1650 psize = sizeof(buffer) / sizeof(buffer[0]); | |
| 1651 for (;;) | |
| 1652 { | |
| 1653 #if _WIN32 | |
| 1654 count = _vsnwprintf(p,psize,format,args); | |
| 1655 if (count != -1) | |
| 1656 break; | |
| 1657 psize *= 2; | |
| 1658 #endif | |
| 1659 #if linux | |
| 1660 count = vsnwprintf(p,psize,format,args); | |
| 1661 if (count == -1) | |
| 1662 psize *= 2; | |
| 1663 else if (count >= psize) | |
| 1664 psize = count + 1; | |
| 1665 else | |
| 1666 break; | |
| 1667 #endif | |
| 1668 p = (dchar *) alloca(psize * 2); // buffer too small, try again with larger size | |
| 1669 } | |
| 1670 write(p,count * 2); | |
| 1671 } | |
| 1672 #endif | |
| 1673 | |
| 1674 void OutBuffer::printf(const char *format, ...) | |
| 1675 { | |
| 1676 va_list ap; | |
| 1677 va_start(ap, format); | |
| 1678 vprintf(format,ap); | |
| 1679 va_end(ap); | |
| 1680 } | |
| 1681 | |
| 1682 #if M_UNICODE | |
| 1683 void OutBuffer::printf(const wchar_t *format, ...) | |
| 1684 { | |
| 1685 va_list ap; | |
| 1686 va_start(ap, format); | |
| 1687 vprintf(format,ap); | |
| 1688 va_end(ap); | |
| 1689 } | |
| 1690 #endif | |
| 1691 | |
| 1692 void OutBuffer::bracket(char left, char right) | |
| 1693 { | |
| 1694 reserve(2); | |
| 1695 memmove(data + 1, data, offset); | |
| 1696 data[0] = left; | |
| 1697 data[offset + 1] = right; | |
| 1698 offset += 2; | |
| 1699 } | |
| 1700 | |
| 1701 /****************** | |
| 1702 * Insert left at i, and right at j. | |
| 1703 * Return index just past right. | |
| 1704 */ | |
| 1705 | |
| 1706 unsigned OutBuffer::bracket(unsigned i, char *left, unsigned j, char *right) | |
| 1707 { | |
| 1708 size_t leftlen = strlen(left); | |
| 1709 size_t rightlen = strlen(right); | |
| 1710 reserve(leftlen + rightlen); | |
| 1711 insert(i, left, leftlen); | |
| 1712 insert(j + leftlen, right, rightlen); | |
| 1713 return j + leftlen + rightlen; | |
| 1714 } | |
| 1715 | |
| 1716 void OutBuffer::spread(unsigned offset, unsigned nbytes) | |
| 1717 { | |
| 1718 reserve(nbytes); | |
| 1719 memmove(data + offset + nbytes, data + offset, | |
| 1720 this->offset - offset); | |
| 1721 this->offset += nbytes; | |
| 1722 } | |
| 1723 | |
| 1724 /**************************************** | |
| 1725 * Returns: offset + nbytes | |
| 1726 */ | |
| 1727 | |
| 1728 unsigned OutBuffer::insert(unsigned offset, const void *p, unsigned nbytes) | |
| 1729 { | |
| 1730 spread(offset, nbytes); | |
| 1731 memmove(data + offset, p, nbytes); | |
| 1732 return offset + nbytes; | |
| 1733 } | |
| 1734 | |
| 1735 void OutBuffer::remove(unsigned offset, unsigned nbytes) | |
| 1736 { | |
| 1737 memmove(data + offset, data + offset + nbytes, this->offset - (offset + nbytes)); | |
| 1738 this->offset -= nbytes; | |
| 1739 } | |
| 1740 | |
| 1741 char *OutBuffer::toChars() | |
| 1742 { | |
| 1743 writeByte(0); | |
| 1744 return (char *)data; | |
| 1745 } | |
| 1746 | |
| 1747 /********************************* Bits ****************************/ | |
| 1748 | |
| 1749 Bits::Bits() | |
| 1750 { | |
| 1751 data = NULL; | |
| 1752 bitdim = 0; | |
| 1753 allocdim = 0; | |
| 1754 } | |
| 1755 | |
| 1756 Bits::~Bits() | |
| 1757 { | |
| 1758 mem.free(data); | |
| 1759 } | |
| 1760 | |
| 1761 void Bits::mark() | |
| 1762 { | |
| 1763 mem.mark(data); | |
| 1764 } | |
| 1765 | |
| 1766 void Bits::resize(unsigned bitdim) | |
| 1767 { | |
| 1768 unsigned allocdim; | |
| 1769 unsigned mask; | |
| 1770 | |
| 1771 allocdim = (bitdim + 31) / 32; | |
| 1772 data = (unsigned *)mem.realloc(data, allocdim * sizeof(data[0])); | |
| 1773 if (this->allocdim < allocdim) | |
| 1774 memset(data + this->allocdim, 0, (allocdim - this->allocdim) * sizeof(data[0])); | |
| 1775 | |
| 1776 // Clear other bits in last word | |
| 1777 mask = (1 << (bitdim & 31)) - 1; | |
| 1778 if (mask) | |
| 1779 data[allocdim - 1] &= ~mask; | |
| 1780 | |
| 1781 this->bitdim = bitdim; | |
| 1782 this->allocdim = allocdim; | |
| 1783 } | |
| 1784 | |
| 1785 void Bits::set(unsigned bitnum) | |
| 1786 { | |
| 1787 data[bitnum / 32] |= 1 << (bitnum & 31); | |
| 1788 } | |
| 1789 | |
| 1790 void Bits::clear(unsigned bitnum) | |
| 1791 { | |
| 1792 data[bitnum / 32] &= ~(1 << (bitnum & 31)); | |
| 1793 } | |
| 1794 | |
| 1795 int Bits::test(unsigned bitnum) | |
| 1796 { | |
| 1797 return data[bitnum / 32] & (1 << (bitnum & 31)); | |
| 1798 } | |
| 1799 | |
| 1800 void Bits::set() | |
| 1801 { unsigned mask; | |
| 1802 | |
| 1803 memset(data, ~0, allocdim * sizeof(data[0])); | |
| 1804 | |
| 1805 // Clear other bits in last word | |
| 1806 mask = (1 << (bitdim & 31)) - 1; | |
| 1807 if (mask) | |
| 1808 data[allocdim - 1] &= mask; | |
| 1809 } | |
| 1810 | |
| 1811 void Bits::clear() | |
| 1812 { | |
| 1813 memset(data, 0, allocdim * sizeof(data[0])); | |
| 1814 } | |
| 1815 | |
| 1816 void Bits::copy(Bits *from) | |
| 1817 { | |
| 1818 assert(bitdim == from->bitdim); | |
| 1819 memcpy(data, from->data, allocdim * sizeof(data[0])); | |
| 1820 } | |
| 1821 | |
| 1822 Bits *Bits::clone() | |
| 1823 { | |
| 1824 Bits *b; | |
| 1825 | |
| 1826 b = new Bits(); | |
| 1827 b->resize(bitdim); | |
| 1828 b->copy(this); | |
| 1829 return b; | |
| 1830 } | |
| 1831 | |
| 1832 void Bits::sub(Bits *b) | |
| 1833 { | |
| 1834 unsigned u; | |
| 1835 | |
| 1836 for (u = 0; u < allocdim; u++) | |
| 1837 data[u] &= ~b->data[u]; | |
| 1838 } | |
| 1839 | |
| 1840 | |
| 1841 | |
| 1842 | |
| 1843 | |
| 1844 | |
| 1845 | |
| 1846 | |
| 1847 | |
| 1848 | |
| 1849 | |
| 1850 | |
| 1851 | |
| 1852 | |
| 1853 |