Mercurial > projects > ldc
annotate dmd/root.c @ 462:f7ba5f705d59
Path combining on Windows didn't work with / properly.
| author | Christian Kamm <kamm incasoftware de> |
|---|---|
| date | Sun, 03 Aug 2008 12:27:11 +0200 |
| parents | 3dd9ae9ea708 |
| children | f79bbd1d0b27 |
| 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.
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326 |
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parents:
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327 if ( |
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328 path[pathlen - 1] != '/' |
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329 #if _WIN32 |
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330 && path[pathlen - 1] != '\\' && path[pathlen - 1] != ':' |
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331 #endif |
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332 ) |
| 336 | 333 { f[pathlen] = '/'; |
| 334 pathlen++; | |
| 335 } | |
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336 |
| 336 | 337 memcpy(f + pathlen, name, namelen + 1); |
| 338 return f; | |
| 339 } | |
| 340 | |
| 341 FileName::FileName(char *path, char *name) | |
| 342 : String(combine(path,name),1) | |
| 343 { | |
| 344 } | |
| 345 | |
| 346 // Split a path into an Array of paths | |
| 347 Array *FileName::splitPath(const char *path) | |
| 348 { | |
| 349 char c = 0; // unnecessary initializer is for VC /W4 | |
| 350 const char *p; | |
| 351 OutBuffer buf; | |
| 352 Array *array; | |
| 353 | |
| 354 array = new Array(); | |
| 355 if (path) | |
| 356 { | |
| 357 p = path; | |
| 358 do | |
| 359 { char instring = 0; | |
| 360 | |
| 361 while (isspace(*p)) // skip leading whitespace | |
| 362 p++; | |
| 363 buf.reserve(strlen(p) + 1); // guess size of path | |
| 364 for (; ; p++) | |
| 365 { | |
| 366 c = *p; | |
| 367 switch (c) | |
| 368 { | |
| 369 case '"': | |
| 370 instring ^= 1; // toggle inside/outside of string | |
| 371 continue; | |
| 372 | |
| 373 #if MACINTOSH | |
| 374 case ',': | |
| 375 #endif | |
| 376 #if _WIN32 | |
| 377 case ';': | |
| 378 #endif | |
| 379 #if linux | |
| 380 case ':': | |
| 381 #endif | |
| 382 p++; | |
| 383 break; // note that ; cannot appear as part | |
| 384 // of a path, quotes won't protect it | |
| 385 | |
| 386 case 0x1A: // ^Z means end of file | |
| 387 case 0: | |
| 388 break; | |
| 389 | |
| 390 case '\r': | |
| 391 continue; // ignore carriage returns | |
| 392 | |
| 393 #if linux | |
| 394 case '~': | |
| 395 buf.writestring(getenv("HOME")); | |
| 396 continue; | |
| 397 #endif | |
| 398 | |
| 399 case ' ': | |
| 400 case '\t': // tabs in filenames? | |
| 401 if (!instring) // if not in string | |
| 402 break; // treat as end of path | |
| 403 default: | |
| 404 buf.writeByte(c); | |
| 405 continue; | |
| 406 } | |
| 407 break; | |
| 408 } | |
| 409 if (buf.offset) // if path is not empty | |
| 410 { | |
| 411 buf.writeByte(0); // to asciiz | |
| 412 array->push(buf.extractData()); | |
| 413 } | |
| 414 } while (c); | |
| 415 } | |
| 416 return array; | |
| 417 } | |
| 418 | |
| 419 hash_t FileName::hashCode() | |
| 420 { | |
| 421 #if _WIN32 | |
| 422 // We need a different hashCode because it must be case-insensitive | |
| 423 size_t len = strlen(str); | |
| 424 hash_t hash = 0; | |
| 425 unsigned char *s = (unsigned char *)str; | |
| 426 | |
| 427 for (;;) | |
| 428 { | |
| 429 switch (len) | |
| 430 { | |
| 431 case 0: | |
| 432 return hash; | |
| 433 | |
| 434 case 1: | |
| 435 hash *= 37; | |
| 436 hash += *(uint8_t *)s | 0x20; | |
| 437 return hash; | |
| 438 | |
| 439 case 2: | |
| 440 hash *= 37; | |
| 441 hash += *(uint16_t *)s | 0x2020; | |
| 442 return hash; | |
| 443 | |
| 444 case 3: | |
| 445 hash *= 37; | |
| 446 hash += ((*(uint16_t *)s << 8) + | |
| 447 ((uint8_t *)s)[2]) | 0x202020; | |
| 448 break; | |
| 449 | |
| 450 default: | |
| 451 hash *= 37; | |
| 452 hash += *(uint32_t *)s | 0x20202020; | |
| 453 s += 4; | |
| 454 len -= 4; | |
| 455 break; | |
| 456 } | |
| 457 } | |
| 458 #else | |
| 459 // darwin HFS is case insensitive, though... | |
| 460 return String::hashCode(); | |
| 461 #endif | |
| 462 } | |
| 463 | |
| 464 int FileName::compare(Object *obj) | |
| 465 { | |
| 466 #if _WIN32 | |
| 467 return stricmp(str,((FileName *)obj)->str); | |
| 468 #else | |
| 469 return String::compare(obj); | |
| 470 #endif | |
| 471 } | |
| 472 | |
| 473 int FileName::equals(Object *obj) | |
| 474 { | |
| 475 #if _WIN32 | |
| 476 return stricmp(str,((FileName *)obj)->str) == 0; | |
| 477 #else | |
| 478 return String::equals(obj); | |
| 479 #endif | |
| 480 } | |
| 481 | |
| 482 /************************************ | |
| 483 * Return !=0 if absolute path name. | |
| 484 */ | |
| 485 | |
| 486 int FileName::absolute(const char *name) | |
| 487 { | |
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parents:
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diff
changeset
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488 return |
| 336 | 489 #if _WIN32 |
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490 (*name == '\\') || |
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parents:
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491 (*name == '/') || |
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parents:
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492 (*name && name[1] == ':') || |
| 336 | 493 #endif |
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494 (*name == '/'); |
| 336 | 495 } |
| 496 | |
| 497 /******************************** | |
| 498 * Return filename extension (read-only). | |
| 499 * Points past '.' of extension. | |
| 500 * If there isn't one, return NULL. | |
| 501 */ | |
| 502 | |
| 503 char *FileName::ext(const char *str) | |
| 504 { | |
| 505 char *e; | |
| 506 size_t len = strlen(str); | |
| 507 | |
| 508 e = (char *)str + len; | |
| 509 for (;;) | |
| 510 { | |
| 511 switch (*e) | |
| 512 { case '.': | |
| 513 return e + 1; | |
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parents:
336
diff
changeset
|
514 |
| 336 | 515 case '/': |
| 516 break; | |
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Allow / as a path separator on Windows.
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parents:
336
diff
changeset
|
517 |
| 336 | 518 #if _WIN32 |
| 519 case '\\': | |
| 520 case ':': | |
| 521 break; | |
| 522 #endif | |
| 523 default: | |
| 524 if (e == str) | |
| 525 break; | |
| 526 e--; | |
| 527 continue; | |
| 528 } | |
| 529 return NULL; | |
| 530 } | |
| 531 } | |
| 532 | |
| 533 char *FileName::ext() | |
| 534 { | |
| 535 return ext(str); | |
| 536 } | |
| 537 | |
| 538 /******************************** | |
| 539 * Return mem.malloc'd filename with extension removed. | |
| 540 */ | |
| 541 | |
| 542 char *FileName::removeExt(const char *str) | |
| 543 { | |
| 544 const char *e = ext(str); | |
| 545 if (e) | |
| 546 { size_t len = (e - str) - 1; | |
| 547 char *n = (char *)mem.malloc(len + 1); | |
| 548 memcpy(n, str, len); | |
| 549 n[len] = 0; | |
| 550 return n; | |
| 551 } | |
| 552 return mem.strdup(str); | |
| 553 } | |
| 554 | |
| 555 /******************************** | |
| 556 * Return filename name excluding path (read-only). | |
| 557 */ | |
| 558 | |
| 559 char *FileName::name(const char *str) | |
| 560 { | |
| 561 char *e; | |
| 562 size_t len = strlen(str); | |
| 563 | |
| 564 e = (char *)str + len; | |
| 565 for (;;) | |
| 566 { | |
| 567 switch (*e) | |
| 568 { | |
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569 |
| 336 | 570 case '/': |
| 571 return e + 1; | |
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diff
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572 |
| 336 | 573 #if _WIN32 |
| 574 case '\\': | |
| 575 case ':': | |
| 576 return e + 1; | |
| 577 #endif | |
| 578 default: | |
| 579 if (e == str) | |
| 580 break; | |
| 581 e--; | |
| 582 continue; | |
| 583 } | |
| 584 return e; | |
| 585 } | |
| 586 } | |
| 587 | |
| 588 char *FileName::name() | |
| 589 { | |
| 590 return name(str); | |
| 591 } | |
| 592 | |
| 593 /************************************** | |
| 594 * Return path portion of str. | |
| 595 * Path will does not include trailing path separator. | |
| 596 */ | |
| 597 | |
| 598 char *FileName::path(const char *str) | |
| 599 { | |
| 600 char *n = name(str); | |
| 601 char *path; | |
| 602 size_t pathlen; | |
| 603 | |
| 604 if (n > str) | |
| 605 { | |
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parents:
336
diff
changeset
|
606 |
| 336 | 607 if (n[-1] == '/') |
| 608 n--; | |
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diff
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609 |
| 336 | 610 #if _WIN32 |
| 611 if (n[-1] == '\\') | |
| 612 n--; | |
| 613 #endif | |
| 614 } | |
| 615 pathlen = n - str; | |
| 616 path = (char *)mem.malloc(pathlen + 1); | |
| 617 memcpy(path, str, pathlen); | |
| 618 path[pathlen] = 0; | |
| 619 return path; | |
| 620 } | |
| 621 | |
| 622 /************************************** | |
| 623 * Replace filename portion of path. | |
| 624 */ | |
| 625 | |
| 626 char *FileName::replaceName(char *path, char *name) | |
| 627 { char *f; | |
| 628 char *n; | |
| 629 size_t pathlen; | |
| 630 size_t namelen; | |
| 631 | |
| 632 if (absolute(name)) | |
| 633 return name; | |
| 634 | |
| 635 n = FileName::name(path); | |
| 636 if (n == path) | |
| 637 return name; | |
| 638 pathlen = n - path; | |
| 639 namelen = strlen(name); | |
| 640 f = (char *)mem.malloc(pathlen + 1 + namelen + 1); | |
| 641 memcpy(f, path, pathlen); | |
|
429
6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
642 |
|
431
3dd9ae9ea708
Another fix to DMD's path code.
Christian Kamm <kamm incasoftware de>
parents:
430
diff
changeset
|
643 if ( |
|
3dd9ae9ea708
Another fix to DMD's path code.
Christian Kamm <kamm incasoftware de>
parents:
430
diff
changeset
|
644 path[pathlen - 1] != '/' |
|
3dd9ae9ea708
Another fix to DMD's path code.
Christian Kamm <kamm incasoftware de>
parents:
430
diff
changeset
|
645 #if _WIN32 |
|
3dd9ae9ea708
Another fix to DMD's path code.
Christian Kamm <kamm incasoftware de>
parents:
430
diff
changeset
|
646 && path[pathlen - 1] != '\\' && path[pathlen - 1] != ':' |
|
3dd9ae9ea708
Another fix to DMD's path code.
Christian Kamm <kamm incasoftware de>
parents:
430
diff
changeset
|
647 #endif |
|
3dd9ae9ea708
Another fix to DMD's path code.
Christian Kamm <kamm incasoftware de>
parents:
430
diff
changeset
|
648 ) |
| 336 | 649 { f[pathlen] = '/'; |
| 650 pathlen++; | |
| 651 } | |
|
429
6bd99cc5eb08
Allow / as a path separator on Windows.
Christian Kamm <kamm incasoftware de>
parents:
336
diff
changeset
|
652 |
| 336 | 653 memcpy(f + pathlen, name, namelen + 1); |
| 654 return f; | |
| 655 } | |
| 656 | |
| 657 /*************************** | |
| 658 */ | |
| 659 | |
| 660 FileName *FileName::defaultExt(const char *name, const char *ext) | |
| 661 { | |
| 662 char *e; | |
| 663 char *s; | |
| 664 size_t len; | |
| 665 size_t extlen; | |
| 666 | |
| 667 e = FileName::ext(name); | |
| 668 if (e) // if already has an extension | |
| 669 return new FileName((char *)name, 0); | |
| 670 | |
| 671 len = strlen(name); | |
| 672 extlen = strlen(ext); | |
| 673 s = (char *)alloca(len + 1 + extlen + 1); | |
| 674 memcpy(s,name,len); | |
| 675 s[len] = '.'; | |
| 676 memcpy(s + len + 1, ext, extlen + 1); | |
| 677 return new FileName(s, 0); | |
| 678 } | |
| 679 | |
| 680 /*************************** | |
| 681 */ | |
| 682 | |
| 683 FileName *FileName::forceExt(const char *name, const char *ext) | |
| 684 { | |
| 685 char *e; | |
| 686 char *s; | |
| 687 size_t len; | |
| 688 size_t extlen; | |
| 689 | |
| 690 e = FileName::ext(name); | |
| 691 if (e) // if already has an extension | |
| 692 { | |
| 693 len = e - name; | |
| 694 extlen = strlen(ext); | |
| 695 | |
| 696 s = (char *)alloca(len + extlen + 1); | |
| 697 memcpy(s,name,len); | |
| 698 memcpy(s + len, ext, extlen + 1); | |
| 699 return new FileName(s, 0); | |
| 700 } | |
| 701 else | |
| 702 return defaultExt(name, ext); // doesn't have one | |
| 703 } | |
| 704 | |
| 705 /****************************** | |
| 706 * Return !=0 if extensions match. | |
| 707 */ | |
| 708 | |
| 709 int FileName::equalsExt(const char *ext) | |
| 710 { const char *e; | |
| 711 | |
| 712 e = FileName::ext(); | |
| 713 if (!e && !ext) | |
| 714 return 1; | |
| 715 if (!e || !ext) | |
| 716 return 0; | |
| 717 #if linux | |
| 718 return strcmp(e,ext) == 0; | |
| 719 #endif | |
| 720 #if _WIN32 | |
| 721 return stricmp(e,ext) == 0; | |
| 722 #endif | |
| 723 } | |
| 724 | |
| 725 /************************************* | |
| 726 * Copy file from this to to. | |
| 727 */ | |
| 728 | |
| 729 void FileName::CopyTo(FileName *to) | |
| 730 { | |
| 731 File file(this); | |
| 732 | |
| 733 #if _WIN32 | |
| 734 file.touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); // keep same file time | |
| 735 #endif | |
| 736 #if linux | |
| 737 file.touchtime = mem.malloc(sizeof(struct stat)); // keep same file time | |
| 738 #endif | |
| 739 file.readv(); | |
| 740 file.name = to; | |
| 741 file.writev(); | |
| 742 } | |
| 743 | |
| 744 /************************************* | |
| 745 * Search Path for file. | |
| 746 * Input: | |
| 747 * cwd if !=0, search current directory before searching path | |
| 748 */ | |
| 749 | |
| 750 char *FileName::searchPath(Array *path, char *name, int cwd) | |
| 751 { | |
| 752 if (absolute(name)) | |
| 753 { | |
| 754 return exists(name) ? name : NULL; | |
| 755 } | |
| 756 if (cwd) | |
| 757 { | |
| 758 if (exists(name)) | |
| 759 return name; | |
| 760 } | |
| 761 if (path) | |
| 762 { unsigned i; | |
| 763 | |
| 764 for (i = 0; i < path->dim; i++) | |
| 765 { | |
| 766 char *p = (char *)path->data[i]; | |
| 767 char *n = combine(p, name); | |
| 768 | |
| 769 if (exists(n)) | |
| 770 return n; | |
| 771 } | |
| 772 } | |
| 773 return NULL; | |
| 774 } | |
| 775 | |
| 776 int FileName::exists(const char *name) | |
| 777 { | |
| 778 #if linux | |
| 779 struct stat st; | |
| 780 | |
| 781 if (stat(name, &st) < 0) | |
| 782 return 0; | |
| 783 if (S_ISDIR(st.st_mode)) | |
| 784 return 2; | |
| 785 return 1; | |
| 786 #endif | |
| 787 #if _WIN32 | |
| 788 DWORD dw; | |
| 789 int result; | |
| 790 | |
| 791 dw = GetFileAttributesA(name); | |
| 792 if (dw == -1L) | |
| 793 result = 0; | |
| 794 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 795 result = 2; | |
| 796 else | |
| 797 result = 1; | |
| 798 return result; | |
| 799 #endif | |
| 800 } | |
| 801 | |
| 802 void FileName::ensurePathExists(const char *path) | |
| 803 { | |
| 804 //printf("FileName::ensurePathExists(%s)\n", path ? path : ""); | |
| 805 if (path && *path) | |
| 806 { | |
| 807 if (!exists(path)) | |
| 808 { | |
| 809 char *p = FileName::path(path); | |
| 810 if (*p) | |
| 811 { | |
| 812 #if _WIN32 | |
| 813 size_t len = strlen(p); | |
| 814 if (len > 2 && p[-1] == ':') | |
| 815 { mem.free(p); | |
| 816 return; | |
| 817 } | |
| 818 #endif | |
| 819 ensurePathExists(p); | |
| 820 mem.free(p); | |
| 821 } | |
| 822 #if _WIN32 | |
| 823 if (path[strlen(path) - 1] != '\\') | |
| 824 #endif | |
| 825 #if linux | |
| 826 if (path[strlen(path) - 1] != '\\') | |
| 827 #endif | |
| 828 { | |
| 829 //printf("mkdir(%s)\n", path); | |
| 830 #if _WIN32 | |
| 831 if (mkdir(path)) | |
| 832 #endif | |
| 833 #if linux | |
| 834 if (mkdir(path, 0777)) | |
| 835 #endif | |
| 836 error("cannot create directory %s", path); | |
| 837 } | |
| 838 } | |
| 839 } | |
| 840 } | |
| 841 | |
| 842 /****************************** File ********************************/ | |
| 843 | |
| 844 File::File(FileName *n) | |
| 845 { | |
| 846 ref = 0; | |
| 847 buffer = NULL; | |
| 848 len = 0; | |
| 849 touchtime = NULL; | |
| 850 name = n; | |
| 851 } | |
| 852 | |
| 853 File::File(char *n) | |
| 854 { | |
| 855 ref = 0; | |
| 856 buffer = NULL; | |
| 857 len = 0; | |
| 858 touchtime = NULL; | |
| 859 name = new FileName(n, 0); | |
| 860 } | |
| 861 | |
| 862 File::~File() | |
| 863 { | |
| 864 if (buffer) | |
| 865 { | |
| 866 if (ref == 0) | |
| 867 mem.free(buffer); | |
| 868 #if _WIN32 | |
| 869 else if (ref == 2) | |
| 870 UnmapViewOfFile(buffer); | |
| 871 #endif | |
| 872 } | |
| 873 if (touchtime) | |
| 874 mem.free(touchtime); | |
| 875 } | |
| 876 | |
| 877 void File::mark() | |
| 878 { | |
| 879 mem.mark(buffer); | |
| 880 mem.mark(touchtime); | |
| 881 mem.mark(name); | |
| 882 } | |
| 883 | |
| 884 /************************************* | |
| 885 */ | |
| 886 | |
| 887 int File::read() | |
| 888 { | |
| 889 #if linux | |
| 890 off_t size; | |
| 891 ssize_t numread; | |
| 892 int fd; | |
| 893 struct stat buf; | |
| 894 int result = 0; | |
| 895 char *name; | |
| 896 | |
| 897 name = this->name->toChars(); | |
| 898 //printf("File::read('%s')\n",name); | |
| 899 fd = open(name, O_RDONLY); | |
| 900 if (fd == -1) | |
| 901 { result = errno; | |
| 902 //printf("\topen error, errno = %d\n",errno); | |
| 903 goto err1; | |
| 904 } | |
| 905 | |
| 906 if (!ref) | |
| 907 mem.free(buffer); | |
| 908 ref = 0; // we own the buffer now | |
| 909 | |
| 910 //printf("\tfile opened\n"); | |
| 911 if (fstat(fd, &buf)) | |
| 912 { | |
| 913 printf("\tfstat error, errno = %d\n",errno); | |
| 914 goto err2; | |
| 915 } | |
| 916 size = buf.st_size; | |
| 917 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 918 if (!buffer) | |
| 919 { | |
| 920 printf("\tmalloc error, errno = %d\n",errno); | |
| 921 goto err2; | |
| 922 } | |
| 923 | |
| 924 numread = ::read(fd, buffer, size); | |
| 925 if (numread != size) | |
| 926 { | |
| 927 printf("\tread error, errno = %d\n",errno); | |
| 928 goto err2; | |
| 929 } | |
| 930 | |
| 931 if (touchtime) | |
| 932 memcpy(touchtime, &buf, sizeof(buf)); | |
| 933 | |
| 934 if (close(fd) == -1) | |
| 935 { | |
| 936 printf("\tclose error, errno = %d\n",errno); | |
| 937 goto err; | |
| 938 } | |
| 939 | |
| 940 len = size; | |
| 941 | |
| 942 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 943 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 944 buffer[size + 1] = 0; | |
| 945 return 0; | |
| 946 | |
| 947 err2: | |
| 948 close(fd); | |
| 949 err: | |
| 950 mem.free(buffer); | |
| 951 buffer = NULL; | |
| 952 len = 0; | |
| 953 | |
| 954 err1: | |
| 955 result = 1; | |
| 956 return result; | |
| 957 #endif | |
| 958 #if _WIN32 | |
| 959 DWORD size; | |
| 960 DWORD numread; | |
| 961 HANDLE h; | |
| 962 int result = 0; | |
| 963 char *name; | |
| 964 | |
| 965 name = this->name->toChars(); | |
| 966 h = CreateFileA(name,GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING, | |
| 967 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,0); | |
| 968 if (h == INVALID_HANDLE_VALUE) | |
| 969 goto err1; | |
| 970 | |
| 971 if (!ref) | |
| 972 mem.free(buffer); | |
| 973 ref = 0; | |
| 974 | |
| 975 size = GetFileSize(h,NULL); | |
| 976 buffer = (unsigned char *) mem.malloc(size + 2); | |
| 977 if (!buffer) | |
| 978 goto err2; | |
| 979 | |
| 980 if (ReadFile(h,buffer,size,&numread,NULL) != TRUE) | |
| 981 goto err2; | |
| 982 | |
| 983 if (numread != size) | |
| 984 goto err2; | |
| 985 | |
| 986 if (touchtime) | |
| 987 { | |
| 988 if (!GetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime)) | |
| 989 goto err2; | |
| 990 } | |
| 991 | |
| 992 if (!CloseHandle(h)) | |
| 993 goto err; | |
| 994 | |
| 995 len = size; | |
| 996 | |
| 997 // Always store a wchar ^Z past end of buffer so scanner has a sentinel | |
| 998 buffer[size] = 0; // ^Z is obsolete, use 0 | |
| 999 buffer[size + 1] = 0; | |
| 1000 return 0; | |
| 1001 | |
| 1002 err2: | |
| 1003 CloseHandle(h); | |
| 1004 err: | |
| 1005 mem.free(buffer); | |
| 1006 buffer = NULL; | |
| 1007 len = 0; | |
| 1008 | |
| 1009 err1: | |
| 1010 result = 1; | |
| 1011 return result; | |
| 1012 #endif | |
| 1013 } | |
| 1014 | |
| 1015 /***************************** | |
| 1016 * Read a file with memory mapped file I/O. | |
| 1017 */ | |
| 1018 | |
| 1019 int File::mmread() | |
| 1020 { | |
| 1021 #if linux | |
| 1022 return read(); | |
| 1023 #endif | |
| 1024 #if _WIN32 | |
| 1025 HANDLE hFile; | |
| 1026 HANDLE hFileMap; | |
| 1027 DWORD size; | |
| 1028 char *name; | |
| 1029 | |
| 1030 name = this->name->toChars(); | |
| 1031 hFile = CreateFile(name, GENERIC_READ, | |
| 1032 FILE_SHARE_READ, NULL, | |
| 1033 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
| 1034 if (hFile == INVALID_HANDLE_VALUE) | |
| 1035 goto Lerr; | |
| 1036 size = GetFileSize(hFile, NULL); | |
| 1037 //printf(" file created, size %d\n", size); | |
| 1038 | |
| 1039 hFileMap = CreateFileMapping(hFile,NULL,PAGE_READONLY,0,size,NULL); | |
| 1040 if (CloseHandle(hFile) != TRUE) | |
| 1041 goto Lerr; | |
| 1042 | |
| 1043 if (hFileMap == NULL) | |
| 1044 goto Lerr; | |
| 1045 | |
| 1046 //printf(" mapping created\n"); | |
| 1047 | |
| 1048 if (!ref) | |
| 1049 mem.free(buffer); | |
| 1050 ref = 2; | |
| 1051 buffer = (unsigned char *)MapViewOfFileEx(hFileMap, FILE_MAP_READ,0,0,size,NULL); | |
| 1052 if (CloseHandle(hFileMap) != TRUE) | |
| 1053 goto Lerr; | |
| 1054 if (buffer == NULL) // mapping view failed | |
| 1055 goto Lerr; | |
| 1056 | |
| 1057 len = size; | |
| 1058 //printf(" buffer = %p\n", buffer); | |
| 1059 | |
| 1060 return 0; | |
| 1061 | |
| 1062 Lerr: | |
| 1063 return GetLastError(); // failure | |
| 1064 #endif | |
| 1065 } | |
| 1066 | |
| 1067 /********************************************* | |
| 1068 * Write a file. | |
| 1069 * Returns: | |
| 1070 * 0 success | |
| 1071 */ | |
| 1072 | |
| 1073 int File::write() | |
| 1074 { | |
| 1075 #if linux | |
| 1076 int fd; | |
| 1077 ssize_t numwritten; | |
| 1078 char *name; | |
| 1079 | |
| 1080 name = this->name->toChars(); | |
| 1081 fd = open(name, O_CREAT | O_WRONLY | O_TRUNC, 0644); | |
| 1082 if (fd == -1) | |
| 1083 goto err; | |
| 1084 | |
| 1085 numwritten = ::write(fd, buffer, len); | |
| 1086 if (len != numwritten) | |
| 1087 goto err2; | |
| 1088 | |
| 1089 if (close(fd) == -1) | |
| 1090 goto err; | |
| 1091 | |
| 1092 if (touchtime) | |
| 1093 { struct utimbuf ubuf; | |
| 1094 | |
| 1095 ubuf.actime = ((struct stat *)touchtime)->st_atime; | |
| 1096 ubuf.modtime = ((struct stat *)touchtime)->st_mtime; | |
| 1097 if (utime(name, &ubuf)) | |
| 1098 goto err; | |
| 1099 } | |
| 1100 return 0; | |
| 1101 | |
| 1102 err2: | |
| 1103 close(fd); | |
| 1104 ::remove(name); | |
| 1105 err: | |
| 1106 return 1; | |
| 1107 #endif | |
| 1108 #if _WIN32 | |
| 1109 HANDLE h; | |
| 1110 DWORD numwritten; | |
| 1111 char *name; | |
| 1112 | |
| 1113 name = this->name->toChars(); | |
| 1114 h = CreateFileA(name,GENERIC_WRITE,0,NULL,CREATE_ALWAYS, | |
| 1115 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1116 if (h == INVALID_HANDLE_VALUE) | |
| 1117 goto err; | |
| 1118 | |
| 1119 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1120 goto err2; | |
| 1121 | |
| 1122 if (len != numwritten) | |
| 1123 goto err2; | |
| 1124 | |
| 1125 if (touchtime) { | |
| 1126 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1127 } | |
| 1128 if (!CloseHandle(h)) | |
| 1129 goto err; | |
| 1130 return 0; | |
| 1131 | |
| 1132 err2: | |
| 1133 CloseHandle(h); | |
| 1134 DeleteFileA(name); | |
| 1135 err: | |
| 1136 return 1; | |
| 1137 #endif | |
| 1138 } | |
| 1139 | |
| 1140 /********************************************* | |
| 1141 * Append to a file. | |
| 1142 * Returns: | |
| 1143 * 0 success | |
| 1144 */ | |
| 1145 | |
| 1146 int File::append() | |
| 1147 { | |
| 1148 #if linux | |
| 1149 return 1; | |
| 1150 #endif | |
| 1151 #if _WIN32 | |
| 1152 HANDLE h; | |
| 1153 DWORD numwritten; | |
| 1154 char *name; | |
| 1155 | |
| 1156 name = this->name->toChars(); | |
| 1157 h = CreateFileA(name,GENERIC_WRITE,0,NULL,OPEN_ALWAYS, | |
| 1158 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL); | |
| 1159 if (h == INVALID_HANDLE_VALUE) | |
| 1160 goto err; | |
| 1161 | |
| 1162 #if 1 | |
| 1163 SetFilePointer(h, 0, NULL, FILE_END); | |
| 1164 #else // INVALID_SET_FILE_POINTER doesn't seem to have a definition | |
| 1165 if (SetFilePointer(h, 0, NULL, FILE_END) == INVALID_SET_FILE_POINTER) | |
| 1166 goto err; | |
| 1167 #endif | |
| 1168 | |
| 1169 if (WriteFile(h,buffer,len,&numwritten,NULL) != TRUE) | |
| 1170 goto err2; | |
| 1171 | |
| 1172 if (len != numwritten) | |
| 1173 goto err2; | |
| 1174 | |
| 1175 if (touchtime) { | |
| 1176 SetFileTime(h, NULL, NULL, &((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime); | |
| 1177 } | |
| 1178 if (!CloseHandle(h)) | |
| 1179 goto err; | |
| 1180 return 0; | |
| 1181 | |
| 1182 err2: | |
| 1183 CloseHandle(h); | |
| 1184 err: | |
| 1185 return 1; | |
| 1186 #endif | |
| 1187 } | |
| 1188 | |
| 1189 /************************************** | |
| 1190 */ | |
| 1191 | |
| 1192 void File::readv() | |
| 1193 { | |
| 1194 if (read()) | |
| 1195 error("Error reading file '%s'\n",name->toChars()); | |
| 1196 } | |
| 1197 | |
| 1198 /************************************** | |
| 1199 */ | |
| 1200 | |
| 1201 void File::mmreadv() | |
| 1202 { | |
| 1203 if (mmread()) | |
| 1204 readv(); | |
| 1205 } | |
| 1206 | |
| 1207 void File::writev() | |
| 1208 { | |
| 1209 if (write()) | |
| 1210 error("Error writing file '%s'\n",name->toChars()); | |
| 1211 } | |
| 1212 | |
| 1213 void File::appendv() | |
| 1214 { | |
| 1215 if (write()) | |
| 1216 error("Error appending to file '%s'\n",name->toChars()); | |
| 1217 } | |
| 1218 | |
| 1219 /******************************************* | |
| 1220 * Return !=0 if file exists. | |
| 1221 * 0: file doesn't exist | |
| 1222 * 1: normal file | |
| 1223 * 2: directory | |
| 1224 */ | |
| 1225 | |
| 1226 int File::exists() | |
| 1227 { | |
| 1228 #if linux | |
| 1229 return 0; | |
| 1230 #endif | |
| 1231 #if _WIN32 | |
| 1232 DWORD dw; | |
| 1233 int result; | |
| 1234 char *name; | |
| 1235 | |
| 1236 name = this->name->toChars(); | |
| 1237 if (touchtime) | |
| 1238 dw = ((WIN32_FIND_DATAA *)touchtime)->dwFileAttributes; | |
| 1239 else | |
| 1240 dw = GetFileAttributesA(name); | |
| 1241 if (dw == -1L) | |
| 1242 result = 0; | |
| 1243 else if (dw & FILE_ATTRIBUTE_DIRECTORY) | |
| 1244 result = 2; | |
| 1245 else | |
| 1246 result = 1; | |
| 1247 return result; | |
| 1248 #endif | |
| 1249 } | |
| 1250 | |
| 1251 void File::remove() | |
| 1252 { | |
| 1253 #if linux | |
| 1254 ::remove(this->name->toChars()); | |
| 1255 #endif | |
| 1256 #if _WIN32 | |
| 1257 DeleteFileA(this->name->toChars()); | |
| 1258 #endif | |
| 1259 } | |
| 1260 | |
| 1261 Array *File::match(char *n) | |
| 1262 { | |
| 1263 return match(new FileName(n, 0)); | |
| 1264 } | |
| 1265 | |
| 1266 Array *File::match(FileName *n) | |
| 1267 { | |
| 1268 #if linux | |
| 1269 return NULL; | |
| 1270 #endif | |
| 1271 #if _WIN32 | |
| 1272 HANDLE h; | |
| 1273 WIN32_FIND_DATAA fileinfo; | |
| 1274 Array *a; | |
| 1275 char *c; | |
| 1276 char *name; | |
| 1277 | |
| 1278 a = new Array(); | |
| 1279 c = n->toChars(); | |
| 1280 name = n->name(); | |
| 1281 h = FindFirstFileA(c,&fileinfo); | |
| 1282 if (h != INVALID_HANDLE_VALUE) | |
| 1283 { | |
| 1284 do | |
| 1285 { | |
| 1286 // Glue path together with name | |
| 1287 char *fn; | |
| 1288 File *f; | |
| 1289 | |
| 1290 fn = (char *)mem.malloc(name - c + strlen(fileinfo.cFileName) + 1); | |
| 1291 memcpy(fn, c, name - c); | |
| 1292 strcpy(fn + (name - c), fileinfo.cFileName); | |
| 1293 f = new File(fn); | |
| 1294 f->touchtime = mem.malloc(sizeof(WIN32_FIND_DATAA)); | |
| 1295 memcpy(f->touchtime, &fileinfo, sizeof(fileinfo)); | |
| 1296 a->push(f); | |
| 1297 } while (FindNextFileA(h,&fileinfo) != FALSE); | |
| 1298 FindClose(h); | |
| 1299 } | |
| 1300 return a; | |
| 1301 #endif | |
| 1302 } | |
| 1303 | |
| 1304 int File::compareTime(File *f) | |
| 1305 { | |
| 1306 #if linux | |
| 1307 return 0; | |
| 1308 #endif | |
| 1309 #if _WIN32 | |
| 1310 if (!touchtime) | |
| 1311 stat(); | |
| 1312 if (!f->touchtime) | |
| 1313 f->stat(); | |
| 1314 return CompareFileTime(&((WIN32_FIND_DATAA *)touchtime)->ftLastWriteTime, &((WIN32_FIND_DATAA *)f->touchtime)->ftLastWriteTime); | |
| 1315 #endif | |
| 1316 } | |
| 1317 | |
| 1318 void File::stat() | |
| 1319 { | |
| 1320 #if linux | |
| 1321 if (!touchtime) | |
| 1322 { | |
| 1323 touchtime = mem.calloc(1, sizeof(struct stat)); | |
| 1324 } | |
| 1325 #endif | |
| 1326 #if _WIN32 | |
| 1327 HANDLE h; | |
| 1328 | |
| 1329 if (!touchtime) | |
| 1330 { | |
| 1331 touchtime = mem.calloc(1, sizeof(WIN32_FIND_DATAA)); | |
| 1332 } | |
| 1333 h = FindFirstFileA(name->toChars(),(WIN32_FIND_DATAA *)touchtime); | |
| 1334 if (h != INVALID_HANDLE_VALUE) | |
| 1335 { | |
| 1336 FindClose(h); | |
| 1337 } | |
| 1338 #endif | |
| 1339 } | |
| 1340 | |
| 1341 void File::checkoffset(size_t offset, size_t nbytes) | |
| 1342 { | |
| 1343 if (offset > len || offset + nbytes > len) | |
| 1344 error("Corrupt file '%s': offset x%"PRIxSIZE" off end of file",toChars(),offset); | |
| 1345 } | |
| 1346 | |
| 1347 char *File::toChars() | |
| 1348 { | |
| 1349 return name->toChars(); | |
| 1350 } | |
| 1351 | |
| 1352 | |
| 1353 /************************* OutBuffer *************************/ | |
| 1354 | |
| 1355 OutBuffer::OutBuffer() | |
| 1356 { | |
| 1357 data = NULL; | |
| 1358 offset = 0; | |
| 1359 size = 0; | |
| 1360 } | |
| 1361 | |
| 1362 OutBuffer::~OutBuffer() | |
| 1363 { | |
| 1364 mem.free(data); | |
| 1365 } | |
| 1366 | |
| 1367 void *OutBuffer::extractData() | |
| 1368 { | |
| 1369 void *p; | |
| 1370 | |
| 1371 p = (void *)data; | |
| 1372 data = NULL; | |
| 1373 offset = 0; | |
| 1374 size = 0; | |
| 1375 return p; | |
| 1376 } | |
| 1377 | |
| 1378 void OutBuffer::mark() | |
| 1379 { | |
| 1380 mem.mark(data); | |
| 1381 } | |
| 1382 | |
| 1383 void OutBuffer::reserve(unsigned nbytes) | |
| 1384 { | |
| 1385 //printf("OutBuffer::reserve: size = %d, offset = %d, nbytes = %d\n", size, offset, nbytes); | |
| 1386 if (size - offset < nbytes) | |
| 1387 { | |
| 1388 size = (offset + nbytes) * 2; | |
| 1389 data = (unsigned char *)mem.realloc(data, size); | |
| 1390 } | |
| 1391 } | |
| 1392 | |
| 1393 void OutBuffer::reset() | |
| 1394 { | |
| 1395 offset = 0; | |
| 1396 } | |
| 1397 | |
| 1398 void OutBuffer::setsize(unsigned size) | |
| 1399 { | |
| 1400 offset = size; | |
| 1401 } | |
| 1402 | |
| 1403 void OutBuffer::write(const void *data, unsigned nbytes) | |
| 1404 { | |
| 1405 reserve(nbytes); | |
| 1406 memcpy(this->data + offset, data, nbytes); | |
| 1407 offset += nbytes; | |
| 1408 } | |
| 1409 | |
| 1410 void OutBuffer::writebstring(unsigned char *string) | |
| 1411 { | |
| 1412 write(string,*string + 1); | |
| 1413 } | |
| 1414 | |
| 1415 void OutBuffer::writestring(const char *string) | |
| 1416 { | |
| 1417 write(string,strlen(string)); | |
| 1418 } | |
| 1419 | |
| 1420 void OutBuffer::writedstring(const char *string) | |
| 1421 { | |
| 1422 #if M_UNICODE | |
| 1423 for (; *string; string++) | |
| 1424 { | |
| 1425 writedchar(*string); | |
| 1426 } | |
| 1427 #else | |
| 1428 write(string,strlen(string)); | |
| 1429 #endif | |
| 1430 } | |
| 1431 | |
| 1432 void OutBuffer::writedstring(const wchar_t *string) | |
| 1433 { | |
| 1434 #if M_UNICODE | |
| 1435 write(string,wcslen(string) * sizeof(wchar_t)); | |
| 1436 #else | |
| 1437 for (; *string; string++) | |
| 1438 { | |
| 1439 writedchar(*string); | |
| 1440 } | |
| 1441 #endif | |
| 1442 } | |
| 1443 | |
| 1444 void OutBuffer::prependstring(char *string) | |
| 1445 { unsigned len; | |
| 1446 | |
| 1447 len = strlen(string); | |
| 1448 reserve(len); | |
| 1449 memmove(data + len, data, offset); | |
| 1450 memcpy(data, string, len); | |
| 1451 offset += len; | |
| 1452 } | |
| 1453 | |
| 1454 void OutBuffer::writenl() | |
| 1455 { | |
| 1456 #if _WIN32 | |
| 1457 #if M_UNICODE | |
| 1458 write4(0x000A000D); // newline is CR,LF on Microsoft OS's | |
| 1459 #else | |
| 1460 writeword(0x0A0D); // newline is CR,LF on Microsoft OS's | |
| 1461 #endif | |
| 1462 #else | |
| 1463 #if M_UNICODE | |
| 1464 writeword('\n'); | |
| 1465 #else | |
| 1466 writeByte('\n'); | |
| 1467 #endif | |
| 1468 #endif | |
| 1469 } | |
| 1470 | |
| 1471 void OutBuffer::writeByte(unsigned b) | |
| 1472 { | |
| 1473 reserve(1); | |
| 1474 this->data[offset] = (unsigned char)b; | |
| 1475 offset++; | |
| 1476 } | |
| 1477 | |
| 1478 void OutBuffer::writeUTF8(unsigned b) | |
| 1479 { | |
| 1480 reserve(6); | |
| 1481 if (b <= 0x7F) | |
| 1482 { | |
| 1483 this->data[offset] = (unsigned char)b; | |
| 1484 offset++; | |
| 1485 } | |
| 1486 else if (b <= 0x7FF) | |
| 1487 { | |
| 1488 this->data[offset + 0] = (unsigned char)((b >> 6) | 0xC0); | |
| 1489 this->data[offset + 1] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1490 offset += 2; | |
| 1491 } | |
| 1492 else if (b <= 0xFFFF) | |
| 1493 { | |
| 1494 this->data[offset + 0] = (unsigned char)((b >> 12) | 0xE0); | |
| 1495 this->data[offset + 1] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1496 this->data[offset + 2] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1497 offset += 3; | |
| 1498 } | |
| 1499 else if (b <= 0x1FFFFF) | |
| 1500 { | |
| 1501 this->data[offset + 0] = (unsigned char)((b >> 18) | 0xF0); | |
| 1502 this->data[offset + 1] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1503 this->data[offset + 2] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1504 this->data[offset + 3] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1505 offset += 4; | |
| 1506 } | |
| 1507 else if (b <= 0x3FFFFFF) | |
| 1508 { | |
| 1509 this->data[offset + 0] = (unsigned char)((b >> 24) | 0xF8); | |
| 1510 this->data[offset + 1] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1511 this->data[offset + 2] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1512 this->data[offset + 3] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1513 this->data[offset + 4] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1514 offset += 5; | |
| 1515 } | |
| 1516 else if (b <= 0x7FFFFFFF) | |
| 1517 { | |
| 1518 this->data[offset + 0] = (unsigned char)((b >> 30) | 0xFC); | |
| 1519 this->data[offset + 1] = (unsigned char)(((b >> 24) & 0x3F) | 0x80); | |
| 1520 this->data[offset + 2] = (unsigned char)(((b >> 18) & 0x3F) | 0x80); | |
| 1521 this->data[offset + 3] = (unsigned char)(((b >> 12) & 0x3F) | 0x80); | |
| 1522 this->data[offset + 4] = (unsigned char)(((b >> 6) & 0x3F) | 0x80); | |
| 1523 this->data[offset + 5] = (unsigned char)((b & 0x3F) | 0x80); | |
| 1524 offset += 6; | |
| 1525 } | |
| 1526 else | |
| 1527 assert(0); | |
| 1528 } | |
| 1529 | |
| 1530 void OutBuffer::writedchar(unsigned b) | |
| 1531 { | |
| 1532 reserve(Dchar_mbmax * sizeof(dchar)); | |
| 1533 offset = (unsigned char *)Dchar::put((dchar *)(this->data + offset), (dchar)b) - | |
| 1534 this->data; | |
| 1535 } | |
| 1536 | |
| 1537 void OutBuffer::prependbyte(unsigned b) | |
| 1538 { | |
| 1539 reserve(1); | |
| 1540 memmove(data + 1, data, offset); | |
| 1541 data[0] = (unsigned char)b; | |
| 1542 offset++; | |
| 1543 } | |
| 1544 | |
| 1545 void OutBuffer::writeword(unsigned w) | |
| 1546 { | |
| 1547 reserve(2); | |
| 1548 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1549 offset += 2; | |
| 1550 } | |
| 1551 | |
| 1552 void OutBuffer::writeUTF16(unsigned w) | |
| 1553 { | |
| 1554 reserve(4); | |
| 1555 if (w <= 0xFFFF) | |
| 1556 { | |
| 1557 *(unsigned short *)(this->data + offset) = (unsigned short)w; | |
| 1558 offset += 2; | |
| 1559 } | |
| 1560 else if (w <= 0x10FFFF) | |
| 1561 { | |
| 1562 *(unsigned short *)(this->data + offset) = (unsigned short)((w >> 10) + 0xD7C0); | |
| 1563 *(unsigned short *)(this->data + offset + 2) = (unsigned short)((w & 0x3FF) | 0xDC00); | |
| 1564 offset += 4; | |
| 1565 } | |
| 1566 else | |
| 1567 assert(0); | |
| 1568 } | |
| 1569 | |
| 1570 void OutBuffer::write4(unsigned w) | |
| 1571 { | |
| 1572 reserve(4); | |
| 1573 *(unsigned long *)(this->data + offset) = w; | |
| 1574 offset += 4; | |
| 1575 } | |
| 1576 | |
| 1577 void OutBuffer::write(OutBuffer *buf) | |
| 1578 { | |
| 1579 if (buf) | |
| 1580 { reserve(buf->offset); | |
| 1581 memcpy(data + offset, buf->data, buf->offset); | |
| 1582 offset += buf->offset; | |
| 1583 } | |
| 1584 } | |
| 1585 | |
| 1586 void OutBuffer::write(Object *obj) | |
| 1587 { | |
| 1588 if (obj) | |
| 1589 { | |
| 1590 writestring(obj->toChars()); | |
| 1591 } | |
| 1592 } | |
| 1593 | |
| 1594 void OutBuffer::fill0(unsigned nbytes) | |
| 1595 { | |
| 1596 reserve(nbytes); | |
| 1597 memset(data + offset,0,nbytes); | |
| 1598 offset += nbytes; | |
| 1599 } | |
| 1600 | |
| 1601 void OutBuffer::align(unsigned size) | |
| 1602 { unsigned nbytes; | |
| 1603 | |
| 1604 nbytes = ((offset + size - 1) & ~(size - 1)) - offset; | |
| 1605 fill0(nbytes); | |
| 1606 } | |
| 1607 | |
| 1608 void OutBuffer::vprintf(const char *format, va_list args) | |
| 1609 { | |
| 1610 char buffer[128]; | |
| 1611 char *p; | |
| 1612 unsigned psize; | |
| 1613 int count; | |
| 1614 | |
| 1615 p = buffer; | |
| 1616 psize = sizeof(buffer); | |
| 1617 for (;;) | |
| 1618 { | |
| 1619 #if _WIN32 | |
| 1620 count = _vsnprintf(p,psize,format,args); | |
| 1621 if (count != -1) | |
| 1622 break; | |
| 1623 psize *= 2; | |
| 1624 #endif | |
| 1625 #if linux | |
| 1626 count = vsnprintf(p,psize,format,args); | |
| 1627 if (count == -1) | |
| 1628 psize *= 2; | |
| 1629 else if (count >= psize) | |
| 1630 psize = count + 1; | |
| 1631 else | |
| 1632 break; | |
| 1633 #endif | |
| 1634 p = (char *) alloca(psize); // buffer too small, try again with larger size | |
| 1635 } | |
| 1636 write(p,count); | |
| 1637 } | |
| 1638 | |
| 1639 #if M_UNICODE | |
| 1640 void OutBuffer::vprintf(const wchar_t *format, va_list args) | |
| 1641 { | |
| 1642 dchar buffer[128]; | |
| 1643 dchar *p; | |
| 1644 unsigned psize; | |
| 1645 int count; | |
| 1646 | |
| 1647 p = buffer; | |
| 1648 psize = sizeof(buffer) / sizeof(buffer[0]); | |
| 1649 for (;;) | |
| 1650 { | |
| 1651 #if _WIN32 | |
| 1652 count = _vsnwprintf(p,psize,format,args); | |
| 1653 if (count != -1) | |
| 1654 break; | |
| 1655 psize *= 2; | |
| 1656 #endif | |
| 1657 #if linux | |
| 1658 count = vsnwprintf(p,psize,format,args); | |
| 1659 if (count == -1) | |
| 1660 psize *= 2; | |
| 1661 else if (count >= psize) | |
| 1662 psize = count + 1; | |
| 1663 else | |
| 1664 break; | |
| 1665 #endif | |
| 1666 p = (dchar *) alloca(psize * 2); // buffer too small, try again with larger size | |
| 1667 } | |
| 1668 write(p,count * 2); | |
| 1669 } | |
| 1670 #endif | |
| 1671 | |
| 1672 void OutBuffer::printf(const char *format, ...) | |
| 1673 { | |
| 1674 va_list ap; | |
| 1675 va_start(ap, format); | |
| 1676 vprintf(format,ap); | |
| 1677 va_end(ap); | |
| 1678 } | |
| 1679 | |
| 1680 #if M_UNICODE | |
| 1681 void OutBuffer::printf(const wchar_t *format, ...) | |
| 1682 { | |
| 1683 va_list ap; | |
| 1684 va_start(ap, format); | |
| 1685 vprintf(format,ap); | |
| 1686 va_end(ap); | |
| 1687 } | |
| 1688 #endif | |
| 1689 | |
| 1690 void OutBuffer::bracket(char left, char right) | |
| 1691 { | |
| 1692 reserve(2); | |
| 1693 memmove(data + 1, data, offset); | |
| 1694 data[0] = left; | |
| 1695 data[offset + 1] = right; | |
| 1696 offset += 2; | |
| 1697 } | |
| 1698 | |
| 1699 /****************** | |
| 1700 * Insert left at i, and right at j. | |
| 1701 * Return index just past right. | |
| 1702 */ | |
| 1703 | |
| 1704 unsigned OutBuffer::bracket(unsigned i, char *left, unsigned j, char *right) | |
| 1705 { | |
| 1706 size_t leftlen = strlen(left); | |
| 1707 size_t rightlen = strlen(right); | |
| 1708 reserve(leftlen + rightlen); | |
| 1709 insert(i, left, leftlen); | |
| 1710 insert(j + leftlen, right, rightlen); | |
| 1711 return j + leftlen + rightlen; | |
| 1712 } | |
| 1713 | |
| 1714 void OutBuffer::spread(unsigned offset, unsigned nbytes) | |
| 1715 { | |
| 1716 reserve(nbytes); | |
| 1717 memmove(data + offset + nbytes, data + offset, | |
| 1718 this->offset - offset); | |
| 1719 this->offset += nbytes; | |
| 1720 } | |
| 1721 | |
| 1722 /**************************************** | |
| 1723 * Returns: offset + nbytes | |
| 1724 */ | |
| 1725 | |
| 1726 unsigned OutBuffer::insert(unsigned offset, const void *p, unsigned nbytes) | |
| 1727 { | |
| 1728 spread(offset, nbytes); | |
| 1729 memmove(data + offset, p, nbytes); | |
| 1730 return offset + nbytes; | |
| 1731 } | |
| 1732 | |
| 1733 void OutBuffer::remove(unsigned offset, unsigned nbytes) | |
| 1734 { | |
| 1735 memmove(data + offset, data + offset + nbytes, this->offset - (offset + nbytes)); | |
| 1736 this->offset -= nbytes; | |
| 1737 } | |
| 1738 | |
| 1739 char *OutBuffer::toChars() | |
| 1740 { | |
| 1741 writeByte(0); | |
| 1742 return (char *)data; | |
| 1743 } | |
| 1744 | |
| 1745 /********************************* Bits ****************************/ | |
| 1746 | |
| 1747 Bits::Bits() | |
| 1748 { | |
| 1749 data = NULL; | |
| 1750 bitdim = 0; | |
| 1751 allocdim = 0; | |
| 1752 } | |
| 1753 | |
| 1754 Bits::~Bits() | |
| 1755 { | |
| 1756 mem.free(data); | |
| 1757 } | |
| 1758 | |
| 1759 void Bits::mark() | |
| 1760 { | |
| 1761 mem.mark(data); | |
| 1762 } | |
| 1763 | |
| 1764 void Bits::resize(unsigned bitdim) | |
| 1765 { | |
| 1766 unsigned allocdim; | |
| 1767 unsigned mask; | |
| 1768 | |
| 1769 allocdim = (bitdim + 31) / 32; | |
| 1770 data = (unsigned *)mem.realloc(data, allocdim * sizeof(data[0])); | |
| 1771 if (this->allocdim < allocdim) | |
| 1772 memset(data + this->allocdim, 0, (allocdim - this->allocdim) * sizeof(data[0])); | |
| 1773 | |
| 1774 // Clear other bits in last word | |
| 1775 mask = (1 << (bitdim & 31)) - 1; | |
| 1776 if (mask) | |
| 1777 data[allocdim - 1] &= ~mask; | |
| 1778 | |
| 1779 this->bitdim = bitdim; | |
| 1780 this->allocdim = allocdim; | |
| 1781 } | |
| 1782 | |
| 1783 void Bits::set(unsigned bitnum) | |
| 1784 { | |
| 1785 data[bitnum / 32] |= 1 << (bitnum & 31); | |
| 1786 } | |
| 1787 | |
| 1788 void Bits::clear(unsigned bitnum) | |
| 1789 { | |
| 1790 data[bitnum / 32] &= ~(1 << (bitnum & 31)); | |
| 1791 } | |
| 1792 | |
| 1793 int Bits::test(unsigned bitnum) | |
| 1794 { | |
| 1795 return data[bitnum / 32] & (1 << (bitnum & 31)); | |
| 1796 } | |
| 1797 | |
| 1798 void Bits::set() | |
| 1799 { unsigned mask; | |
| 1800 | |
| 1801 memset(data, ~0, allocdim * sizeof(data[0])); | |
| 1802 | |
| 1803 // Clear other bits in last word | |
| 1804 mask = (1 << (bitdim & 31)) - 1; | |
| 1805 if (mask) | |
| 1806 data[allocdim - 1] &= mask; | |
| 1807 } | |
| 1808 | |
| 1809 void Bits::clear() | |
| 1810 { | |
| 1811 memset(data, 0, allocdim * sizeof(data[0])); | |
| 1812 } | |
| 1813 | |
| 1814 void Bits::copy(Bits *from) | |
| 1815 { | |
| 1816 assert(bitdim == from->bitdim); | |
| 1817 memcpy(data, from->data, allocdim * sizeof(data[0])); | |
| 1818 } | |
| 1819 | |
| 1820 Bits *Bits::clone() | |
| 1821 { | |
| 1822 Bits *b; | |
| 1823 | |
| 1824 b = new Bits(); | |
| 1825 b->resize(bitdim); | |
| 1826 b->copy(this); | |
| 1827 return b; | |
| 1828 } | |
| 1829 | |
| 1830 void Bits::sub(Bits *b) | |
| 1831 { | |
| 1832 unsigned u; | |
| 1833 | |
| 1834 for (u = 0; u < allocdim; u++) | |
| 1835 data[u] &= ~b->data[u]; | |
| 1836 } | |
| 1837 | |
| 1838 | |
| 1839 | |
| 1840 | |
| 1841 | |
| 1842 | |
| 1843 | |
| 1844 | |
| 1845 | |
| 1846 | |
| 1847 | |
| 1848 | |
| 1849 | |
| 1850 | |
| 1851 |