comparison: src/string.c
src/string.c
- changeset 581
- c067394737ca
- parent 580
- aac47db8da0b
- child 582
- 96fa7fa6af4f
equal
deleted
inserted
replaced
| 580:aac47db8da0b | 581:c067394737ca |
|---|---|
| 30 #include "cx/utils.h" | 30 #include "cx/utils.h" |
| 31 | 31 |
| 32 #include <string.h> | 32 #include <string.h> |
| 33 #include <stdarg.h> | 33 #include <stdarg.h> |
| 34 #include <stdint.h> | 34 #include <stdint.h> |
| 35 #include <ctype.h> | |
| 36 | |
| 37 #ifndef _WIN32 | |
| 38 | |
| 39 #include <strings.h> /* for strncasecmp() */ | |
| 40 | |
| 41 #endif /* _WIN32 */ | |
| 35 | 42 |
| 36 cxmutstr cx_mutstr(char *cstring) { | 43 cxmutstr cx_mutstr(char *cstring) { |
| 37 return (cxmutstr) {cstring, strlen(cstring)}; | 44 return (cxmutstr) {cstring, strlen(cstring)}; |
| 38 } | 45 } |
| 39 | 46 |
| 334 cxmutstr **output | 341 cxmutstr **output |
| 335 ) { | 342 ) { |
| 336 return cx_strsplit_a(allocator, cx_strcast(string), | 343 return cx_strsplit_a(allocator, cx_strcast(string), |
| 337 delim, limit, (cxstring **) output); | 344 delim, limit, (cxstring **) output); |
| 338 } | 345 } |
| 346 | |
| 347 int cx_strcmp(cxstring s1, cxstring s2) { | |
| 348 if (s1.length == s2.length) { | |
| 349 return memcmp(s1.ptr, s2.ptr, s1.length); | |
| 350 } else if (s1.length > s2.length) { | |
| 351 return 1; | |
| 352 } else { | |
| 353 return -1; | |
| 354 } | |
| 355 } | |
| 356 | |
| 357 int cx_strcasecmp(cxstring s1, cxstring s2) { | |
| 358 if (s1.length == s2.length) { | |
| 359 #ifdef _WIN32 | |
| 360 return _strnicmp(s1.ptr, s2.ptr, s1.length); | |
| 361 #else | |
| 362 return strncasecmp(s1.ptr, s2.ptr, s1.length); | |
| 363 #endif | |
| 364 } else if (s1.length > s2.length) { | |
| 365 return 1; | |
| 366 } else { | |
| 367 return -1; | |
| 368 } | |
| 369 } | |
| 370 | |
| 371 cxmutstr cx_strdup_a(CxAllocator *allocator, cxstring string) { | |
| 372 cxmutstr result = { | |
| 373 cxMalloc(allocator, string.length + 1), | |
| 374 string.length | |
| 375 }; | |
| 376 if (result.ptr == NULL) { | |
| 377 result.length = 0; | |
| 378 return result; | |
| 379 } | |
| 380 memcpy(result.ptr, string.ptr, string.length); | |
| 381 result.ptr[string.length] = '\0'; | |
| 382 return result; | |
| 383 } | |
| 384 | |
| 385 cxstring cx_strtrim(cxstring string) { | |
| 386 cxstring result = string; | |
| 387 // TODO: optimize by comparing multiple bytes at once | |
| 388 while (result.length > 0 && isspace(*result.ptr)) { | |
| 389 result.ptr++; | |
| 390 result.length--; | |
| 391 } | |
| 392 while (result.length > 0 && isspace(result.ptr[result.length - 1])) { | |
| 393 result.length--; | |
| 394 } | |
| 395 return result; | |
| 396 } | |
| 397 | |
| 398 cxmutstr cx_strtrim_m(cxmutstr string) { | |
| 399 cxstring result = cx_strtrim(cx_strcast(string)); | |
| 400 return (cxmutstr) {(char *) result.ptr, result.length}; | |
| 401 } | |
| 402 | |
| 403 bool cx_strprefix(cxstring string, cxstring prefix) { | |
| 404 if (string.length < prefix.length) return false; | |
| 405 return memcmp(string.ptr, prefix.ptr, prefix.length) == 0; | |
| 406 } | |
| 407 | |
| 408 bool cx_strsuffix(cxstring string, cxstring suffix) { | |
| 409 if (string.length < suffix.length) return false; | |
| 410 return memcmp(string.ptr + string.length - suffix.length, | |
| 411 suffix.ptr, suffix.length) == 0; | |
| 412 } | |
| 413 | |
| 414 bool cx_casestrprefix(cxstring string, cxstring prefix) { | |
| 415 if (string.length < prefix.length) return false; | |
| 416 #ifdef _WIN32 | |
| 417 return _strnicmp(string.ptr, prefix.ptr, prefix.length) == 0; | |
| 418 #else | |
| 419 return strncasecmp(string.ptr, prefix.ptr, prefix.length) == 0; | |
| 420 #endif | |
| 421 } | |
| 422 | |
| 423 bool cx_casestrsuffix(cxstring string, cxstring suffix) { | |
| 424 if (string.length < suffix.length) return false; | |
| 425 #ifdef _WIN32 | |
| 426 return _strnicmp(string.ptr+string.length-suffix.length, | |
| 427 suffix.ptr, suffix.length) == 0; | |
| 428 #else | |
| 429 return strncasecmp(string.ptr + string.length - suffix.length, | |
| 430 suffix.ptr, suffix.length) == 0; | |
| 431 #endif | |
| 432 } |
