︙ | | |
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-
+
|
length = strlen(str);
switch (check_utf8(str, length)) {
case 1:
is_utf8 = YES;
break;
case -1:
c = [self class];
c = isa;
[super free];
@throw [OFInvalidEncodingException
newWithClass: c];
}
@try {
string = [self getMemWithSize: length + 1];
|
︙ | | |
194
195
196
197
198
199
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220
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223
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|
-
+
-
+
-
+
|
andArguments: (va_list)args
{
int t;
Class c;
if ((self = [super init])) {
if (fmt == NULL) {
c = [self class];
c = isa;
[super free];
@throw [OFInvalidFormatException newWithClass: c];
}
if ((t = vasprintf(&string, fmt, args)) == -1) {
c = [self class];
c = isa;
[super free];
@throw [OFInitializationFailedException
newWithClass: c];
}
length = t;
switch (check_utf8(string, length)) {
case 1:
is_utf8 = YES;
break;
case -1:
free(string);
c = [self class];
c = isa;
[super free];
@throw [OFInvalidEncodingException newWithClass: c];
}
@try {
[self addToMemoryPool: string];
} @catch (OFException *e) {
|
︙ | | |
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
|
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
|
-
+
|
is_utf8 = YES;
break;
case -1:
string = NULL;
length = 0;
is_utf8 = NO;
@throw [OFInvalidEncodingException newWithClass: [self class]];
@throw [OFInvalidEncodingException newWithClass: isa];
}
length = len;
string = [self getMemWithSize: length + 1];
memcpy(string, str, length + 1);
return self;
|
︙ | | |
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
|
-
+
|
return YES;
}
- (int)compare: (id)obj
{
if (![obj isKindOf: [OFString class]] &&
![obj isKindOf: [OFConstString class]])
@throw [OFInvalidArgumentException newWithClass: [self class]];
@throw [OFInvalidArgumentException newWithClass: isa];
return strcmp(string, [obj cString]);
}
- (uint32_t)hash
{
uint32_t hash;
|
︙ | | |
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
|
322
323
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328
329
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331
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|
-
+
|
strlength = strlen(str);
switch (check_utf8(str, strlength)) {
case 1:
is_utf8 = YES;
break;
case -1:
@throw [OFInvalidEncodingException newWithClass: [self class]];
@throw [OFInvalidEncodingException newWithClass: isa];
}
newlen = length + strlength;
newstr = [self resizeMem: string
toSize: newlen + 1];
memcpy(newstr + length, str, strlength + 1);
|
︙ | | |
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
|
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
|
-
+
-
+
|
- appendWithFormatCString: (const char*)fmt
andArguments: (va_list)args
{
char *t;
if (fmt == NULL)
@throw [OFInvalidFormatException newWithClass: [self class]];
@throw [OFInvalidFormatException newWithClass: isa];
if ((vasprintf(&t, fmt, args)) == -1)
/*
* This is only the most likely error to happen.
* Unfortunately, as errno isn't always thread-safe, there's
* no good way for us to find out what really happened.
*/
@throw [OFNoMemException newWithClass: [self class]];
@throw [OFNoMemException newWithClass: isa];
@try {
[self appendCString: t];
} @finally {
free(t);
}
|
︙ | | |
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
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449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
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467
468
469
470
471
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473
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483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
|
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
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425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
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471
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479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
|
-
+
-
-
+
-
-
+
-
-
+
-
-
+
-
+
-
+
|
/* ASCII */
if (OF_LIKELY(!(string[i] & 0x80)))
continue;
/* A start byte can't happen first as we reversed everything */
if (OF_UNLIKELY(string[i] & 0x40)) {
madvise(string, len, MADV_NORMAL);
@throw [OFInvalidEncodingException
@throw [OFInvalidEncodingException newWithClass: isa];
newWithClass: [self class]];
}
/* Next byte must not be ASCII */
if (OF_UNLIKELY(length < i + 1 || !(string[i + 1] & 0x80))) {
madvise(string, len, MADV_NORMAL);
@throw [OFInvalidEncodingException
@throw [OFInvalidEncodingException newWithClass: isa];
newWithClass: [self class]];
}
/* Next byte is the start byte */
if (OF_LIKELY(string[i + 1] & 0x40)) {
string[i] ^= string[i + 1];
string[i + 1] ^= string[i];
string[i] ^= string[i + 1];
i++;
continue;
}
/* Second next byte must not be ASCII */
if (OF_UNLIKELY(length < i + 2 || !(string[i + 2] & 0x80))) {
madvise(string, len, MADV_NORMAL);
@throw [OFInvalidEncodingException
@throw [OFInvalidEncodingException newWithClass: isa];
newWithClass: [self class]];
}
/* Second next byte is the start byte */
if (OF_LIKELY(string[i + 2] & 0x40)) {
string[i] ^= string[i + 2];
string[i + 2] ^= string[i];
string[i] ^= string[i + 2];
i += 2;
continue;
}
/* Third next byte must not be ASCII */
if (OF_UNLIKELY(length < i + 3 || !(string[i + 3] & 0x80))) {
madvise(string, len, MADV_NORMAL);
@throw [OFInvalidEncodingException
@throw [OFInvalidEncodingException newWithClass: isa];
newWithClass: [self class]];
}
/* Third next byte is the start byte */
if (OF_LIKELY(string[i + 3] & 0x40)) {
string[i] ^= string[i + 3];
string[i + 3] ^= string[i];
string[i] ^= string[i + 3];
string[i + 1] ^= string[i + 2];
string[i + 2] ^= string[i + 1];
string[i + 1] ^= string[i + 2];
i += 3;
continue;
}
/* UTF-8 does not allow more than 4 bytes per character */
madvise(string, len, MADV_NORMAL);
@throw [OFInvalidEncodingException newWithClass: [self class]];
@throw [OFInvalidEncodingException newWithClass: isa];
}
madvise(string, len, MADV_NORMAL);
return self;
}
- upper
{
char *p = string + length;
if (is_utf8)
@throw [OFInvalidEncodingException newWithClass: [self class]];
@throw [OFInvalidEncodingException newWithClass: isa];
while (--p >= string)
*p = toupper((int)*p);
return self;
}
- lower
{
char *p = string + length;
if (is_utf8)
@throw [OFInvalidEncodingException newWithClass: [self class]];
@throw [OFInvalidEncodingException newWithClass: isa];
while (--p >= string)
*p = tolower((int)*p);
return self;
}
@end
|