| ︙ | | |
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
-
-
-
+
|
[self release];
@throw e;
}
}
self = [super init];
cache = NULL;
writeBuffer = NULL;
blocking = YES;
|
| ︙ | | |
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
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123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
-
+
-
+
-
-
-
+
+
+
-
-
-
+
+
+
-
-
+
+
-
+
-
-
-
+
+
+
|
- copy
{
return [self retain];
}
- (BOOL)isAtEndOfStream
{
if (cacheLength > 0)
if (_cacheLength > 0)
return NO;
return [self lowlevelIsAtEndOfStream];
}
- (size_t)readIntoBuffer: (void*)buffer
length: (size_t)length
{
if (cacheLength == 0)
if (_cacheLength == 0)
return [self lowlevelReadIntoBuffer: buffer
length: length];
if (length >= cacheLength) {
size_t ret = cacheLength;
memcpy(buffer, cache, cacheLength);
if (length >= _cacheLength) {
size_t ret = _cacheLength;
memcpy(buffer, _cache, _cacheLength);
[self freeMemory: cache];
cache = NULL;
cacheLength = 0;
[self freeMemory: _cache];
_cache = NULL;
_cacheLength = 0;
return ret;
} else {
char *tmp = [self allocMemoryWithSize: cacheLength - length];
memcpy(tmp, cache + length, cacheLength - length);
char *tmp = [self allocMemoryWithSize: _cacheLength - length];
memcpy(tmp, _cache + length, _cacheLength - length);
memcpy(buffer, cache, length);
memcpy(buffer, _cache, length);
[self freeMemory: cache];
cache = tmp;
cacheLength -= length;
[self freeMemory: _cache];
_cache = tmp;
_cacheLength -= length;
return length;
}
}
- (void)readIntoBuffer: (void*)buffer
exactLength: (size_t)length
|
| ︙ | | |
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
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590
591
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609
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611
612
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621
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623
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628
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635
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659
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663
664
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667
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671
672
673
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675
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688
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697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
|
566
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568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
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703
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706
707
708
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710
711
712
713
714
715
716
717
|
-
-
-
+
+
+
+
-
+
-
+
-
+
-
-
+
+
-
-
-
+
+
+
-
+
-
-
+
+
-
+
-
+
-
+
-
-
-
+
+
+
-
+
-
+
-
-
-
+
+
+
+
-
-
-
+
+
+
-
-
+
+
-
+
-
-
-
+
+
+
-
+
-
-
+
+
-
-
+
+
-
-
+
+
-
+
-
+
|
- (OFString*)tryReadLineWithEncoding: (of_string_encoding_t)encoding
{
size_t i, pageSize, bufferLength, retLength;
char *retCString, *buffer, *newCache;
OFString *ret;
/* Look if there's a line or \0 in our cache */
if (!waitingForDelimiter && cache != NULL) {
for (i = 0; i < cacheLength; i++) {
if OF_UNLIKELY (cache[i] == '\n' || cache[i] == '\0') {
if (!_waitingForDelimiter && _cache != NULL) {
for (i = 0; i < _cacheLength; i++) {
if OF_UNLIKELY (_cache[i] == '\n' ||
_cache[i] == '\0') {
retLength = i;
if (i > 0 && cache[i - 1] == '\r')
if (i > 0 && _cache[i - 1] == '\r')
retLength--;
ret = [OFString stringWithCString: cache
ret = [OFString stringWithCString: _cache
encoding: encoding
length: retLength];
newCache = [self
allocMemoryWithSize: cacheLength - i - 1];
allocMemoryWithSize: _cacheLength - i - 1];
if (newCache != NULL)
memcpy(newCache, cache + i + 1,
cacheLength - i - 1);
memcpy(newCache, _cache + i + 1,
_cacheLength - i - 1);
[self freeMemory: cache];
cache = newCache;
cacheLength -= i + 1;
[self freeMemory: _cache];
_cache = newCache;
_cacheLength -= i + 1;
waitingForDelimiter = NO;
_waitingForDelimiter = NO;
return ret;
}
}
}
/* Read and see if we got a newline or \0 */
pageSize = [OFSystemInfo pageSize];
buffer = [self allocMemoryWithSize: pageSize];
@try {
if ([self lowlevelIsAtEndOfStream]) {
if (cache == NULL) {
waitingForDelimiter = NO;
if (_cache == NULL) {
_waitingForDelimiter = NO;
return nil;
}
retLength = cacheLength;
retLength = _cacheLength;
if (retLength > 0 && cache[retLength - 1] == '\r')
if (retLength > 0 && _cache[retLength - 1] == '\r')
retLength--;
ret = [OFString stringWithCString: cache
ret = [OFString stringWithCString: _cache
encoding: encoding
length: retLength];
[self freeMemory: cache];
cache = NULL;
cacheLength = 0;
[self freeMemory: _cache];
_cache = NULL;
_cacheLength = 0;
waitingForDelimiter = NO;
_waitingForDelimiter = NO;
return ret;
}
bufferLength = [self lowlevelReadIntoBuffer: buffer
length: pageSize];
/* Look if there's a newline or \0 */
for (i = 0; i < bufferLength; i++) {
if OF_UNLIKELY (buffer[i] == '\n' ||
buffer[i] == '\0') {
retLength = cacheLength + i;
retLength = _cacheLength + i;
retCString = [self
allocMemoryWithSize: retLength];
if (cache != NULL)
memcpy(retCString, cache, cacheLength);
memcpy(retCString + cacheLength, buffer, i);
if (_cache != NULL)
memcpy(retCString, _cache,
_cacheLength);
memcpy(retCString + _cacheLength, buffer, i);
if (retLength > 0 &&
retCString[retLength - 1] == '\r')
retLength--;
@try {
char *rcs = retCString;
size_t rl = retLength;
ret = [OFString
stringWithCString: rcs
encoding: encoding
length: rl];
} @catch (id e) {
/*
* Append data to cache to prevent loss
* of data due to wrong encoding.
*/
cache = [self
resizeMemory: cache
size: cacheLength +
_cache = [self
resizeMemory: _cache
size: _cacheLength +
bufferLength];
if (cache != NULL)
memcpy(cache + cacheLength,
if (_cache != NULL)
memcpy(_cache + _cacheLength,
buffer, bufferLength);
cacheLength += bufferLength;
_cacheLength += bufferLength;
@throw e;
} @finally {
[self freeMemory: retCString];
}
newCache = [self allocMemoryWithSize:
bufferLength - i - 1];
if (newCache != NULL)
memcpy(newCache, buffer + i + 1,
bufferLength - i - 1);
[self freeMemory: cache];
cache = newCache;
cacheLength = bufferLength - i - 1;
[self freeMemory: _cache];
_cache = newCache;
_cacheLength = bufferLength - i - 1;
waitingForDelimiter = NO;
_waitingForDelimiter = NO;
return ret;
}
}
/* There was no newline or \0 */
cache = [self resizeMemory: cache
size: cacheLength + bufferLength];
_cache = [self resizeMemory: _cache
size: _cacheLength + bufferLength];
/*
* It's possible that cacheLen + len is 0 and thus cache was
* set to NULL by resizeMemory:size:.
* It's possible that _cacheLength + bufferLength is 0 and thus
* _cache was set to NULL by resizeMemory:size:.
*/
if (cache != NULL)
memcpy(cache + cacheLength, buffer, bufferLength);
if (_cache != NULL)
memcpy(_cache + _cacheLength, buffer, bufferLength);
cacheLength += bufferLength;
_cacheLength += bufferLength;
} @finally {
[self freeMemory: buffer];
}
waitingForDelimiter = YES;
_waitingForDelimiter = YES;
return nil;
}
- (OFString*)readLine
{
return [self readLineWithEncoding: OF_STRING_ENCODING_UTF_8];
}
|
| ︙ | | |
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
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819
820
821
822
823
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825
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828
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830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
|
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
|
-
-
-
+
+
+
-
-
+
+
-
+
-
+
-
-
+
+
-
-
-
+
+
+
-
+
-
-
+
+
-
+
-
+
-
-
-
+
+
+
-
+
-
+
-
-
-
-
+
+
+
+
+
-
+
-
-
-
+
+
+
-
+
-
-
+
+
-
-
+
+
-
+
-
-
+
-
+
-
+
|
if (delimiterLength == 0)
@throw [OFInvalidArgumentException
exceptionWithClass: [self class]
selector: _cmd];
/* Look if there's something in our cache */
if (!waitingForDelimiter && cache != NULL) {
for (i = 0; i < cacheLength; i++) {
if (cache[i] != delimiterCString[j++])
if (!_waitingForDelimiter && _cache != NULL) {
for (i = 0; i < _cacheLength; i++) {
if (_cache[i] != delimiterCString[j++])
j = 0;
if (j == delimiterLength || cache[i] == '\0') {
if (cache[i] == '\0')
if (j == delimiterLength || _cache[i] == '\0') {
if (_cache[i] == '\0')
delimiterLength = 1;
ret = [OFString
stringWithCString: cache
stringWithCString: _cache
encoding: encoding
length: i + 1 - delimiterLength];
newCache = [self allocMemoryWithSize:
cacheLength - i - 1];
_cacheLength - i - 1];
if (newCache != NULL)
memcpy(newCache, cache + i + 1,
cacheLength - i - 1);
memcpy(newCache, _cache + i + 1,
_cacheLength - i - 1);
[self freeMemory: cache];
cache = newCache;
cacheLength -= i + 1;
[self freeMemory: _cache];
_cache = newCache;
_cacheLength -= i + 1;
waitingForDelimiter = NO;
_waitingForDelimiter = NO;
return ret;
}
}
}
/* Read and see if we got a delimiter or \0 */
pageSize = [OFSystemInfo pageSize];
buffer = [self allocMemoryWithSize: pageSize];
@try {
if ([self lowlevelIsAtEndOfStream]) {
if (cache == NULL) {
waitingForDelimiter = NO;
if (_cache == NULL) {
_waitingForDelimiter = NO;
return nil;
}
ret = [OFString stringWithCString: cache
ret = [OFString stringWithCString: _cache
encoding: encoding
length: cacheLength];
length: _cacheLength];
[self freeMemory: cache];
cache = NULL;
cacheLength = 0;
[self freeMemory: _cache];
_cache = NULL;
_cacheLength = 0;
waitingForDelimiter = NO;
_waitingForDelimiter = NO;
return ret;
}
bufferLength = [self lowlevelReadIntoBuffer: buffer
length: pageSize];
/* Look if there's a delimiter or \0 */
for (i = 0; i < bufferLength; i++) {
if (buffer[i] != delimiterCString[j++])
j = 0;
if (j == delimiterLength || buffer[i] == '\0') {
if (buffer[i] == '\0')
delimiterLength = 1;
retLength = cacheLength + i + 1 -
retLength = _cacheLength + i + 1 -
delimiterLength;
retCString = [self
allocMemoryWithSize: retLength];
if (cache != NULL && cacheLength <= retLength)
memcpy(retCString, cache, cacheLength);
else if (cache != NULL)
memcpy(retCString, cache, retLength);
if (_cache != NULL && _cacheLength <= retLength)
memcpy(retCString, _cache,
_cacheLength);
else if (_cache != NULL)
memcpy(retCString, _cache, retLength);
if (i >= delimiterLength)
memcpy(retCString + cacheLength,
memcpy(retCString + _cacheLength,
buffer, i + 1 - delimiterLength);
@try {
char *rcs = retCString;
size_t rl = retLength;
ret = [OFString
stringWithCString: rcs
encoding: encoding
length: rl];
} @finally {
[self freeMemory: retCString];
}
newCache = [self allocMemoryWithSize:
bufferLength - i - 1];
if (newCache != NULL)
memcpy(newCache, buffer + i + 1,
bufferLength - i - 1);
[self freeMemory: cache];
cache = newCache;
cacheLength = bufferLength - i - 1;
[self freeMemory: _cache];
_cache = newCache;
_cacheLength = bufferLength - i - 1;
waitingForDelimiter = NO;
_waitingForDelimiter = NO;
return ret;
}
}
/* Neither the delimiter nor \0 was found */
cache = [self resizeMemory: cache
size: cacheLength + bufferLength];
_cache = [self resizeMemory: _cache
size: _cacheLength + bufferLength];
/*
* It's possible that cacheLen + len is 0 and thus cache was
* set to NULL by resizeMemory:size:.
* It's possible that _cacheLength + bufferLength is 0 and thus
* _cache was set to NULL by resizeMemory:size:.
*/
if (cache != NULL)
if (_cache != NULL)
memcpy(cache + cacheLength, buffer,
bufferLength);
cacheLength += bufferLength;
_cacheLength += bufferLength;
} @finally {
[self freeMemory: buffer];
}
waitingForDelimiter = YES;
_waitingForDelimiter = YES;
return nil;
}
- (OFString*)readTillDelimiter: (OFString*)delimiter
{
return [self readTillDelimiter: delimiter
|
| ︙ | | |
935
936
937
938
939
940
941
942
943
944
945
946
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949
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967
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978
979
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|
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964
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966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
|
-
+
-
+
-
+
-
-
+
+
-
-
-
+
+
+
-
+
-
-
-
-
+
+
+
+
|
{
return [self tryReadTillDelimiter: delimiter
encoding: OF_STRING_ENCODING_UTF_8];
}
- (BOOL)isWriteBufferEnabled
{
return writeBufferEnabled;
return _writeBufferEnabled;
}
- (void)setWriteBufferEnabled: (BOOL)enable
{
writeBufferEnabled = enable;
_writeBufferEnabled = enable;
}
- (void)flushWriteBuffer
{
if (writeBuffer == NULL)
if (_writeBuffer == NULL)
return;
[self lowlevelWriteBuffer: writeBuffer
length: writeBufferLength];
[self lowlevelWriteBuffer: _writeBuffer
length: _writeBufferLength];
[self freeMemory: writeBuffer];
writeBuffer = NULL;
writeBufferLength = 0;
[self freeMemory: _writeBuffer];
_writeBuffer = NULL;
_writeBufferLength = 0;
}
- (void)writeBuffer: (const void*)buffer
length: (size_t)length
{
if (!writeBufferEnabled)
if (!_writeBufferEnabled)
[self lowlevelWriteBuffer: buffer
length: length];
else {
writeBuffer = [self resizeMemory: writeBuffer
size: writeBufferLength + length];
memcpy(writeBuffer + writeBufferLength, buffer, length);
writeBufferLength += length;
_writeBuffer = [self resizeMemory: _writeBuffer
size: _writeBufferLength + length];
memcpy(_writeBuffer + _writeBufferLength, buffer, length);
_writeBufferLength += length;
}
}
- (void)writeInt8: (uint8_t)int8
{
[self writeBuffer: (char*)&int8
length: 1];
|
| ︙ | | |
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
|
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
|
-
+
-
+
|
}
return length;
}
- (size_t)pendingBytes
{
return cacheLength;
return _cacheLength;
}
- (BOOL)isBlocking
{
return blocking;
return _blocking;
}
- (void)setBlocking: (BOOL)enable
{
#ifndef _WIN32
BOOL readImplemented = NO, writeImplemented = NO;
|
| ︙ | | |
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
|
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
|
+
+
|
} @catch (OFNotImplementedException *e) {
}
if (!readImplemented && !writeImplemented)
@throw [OFNotImplementedException
exceptionWithClass: [self class]
selector: _cmd];
_blocking = enable;
#else
[self doesNotRecognizeSelector: _cmd];
abort();
#endif
}
- (int)fileDescriptorForReading
|
| ︙ | | |
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
|
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
|
-
+
|
{
[self doesNotRecognizeSelector: _cmd];
abort();
}
- (BOOL)OF_isWaitingForDelimiter
{
return waitingForDelimiter;
return _waitingForDelimiter;
}
@end
|