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- (OFString*)readLine
{
return [self readLineWithEncoding: OF_STRING_ENCODING_UTF_8];
}
- (OFString*)readLineWithEncoding: (of_string_encoding_t)encoding
{
size_t i, bufferLength, retLength;
char *retCString, *buffer, *newCache;
OFString *ret;
/* Look if there's a line or \0 in our cache */
if (cache != NULL) {
for (i = 0; i < cacheLength; i++) {
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- (OFString*)readLine
{
return [self readLineWithEncoding: OF_STRING_ENCODING_UTF_8];
}
- (OFString*)readLineWithEncoding: (of_string_encoding_t)encoding
{
OFString *line = nil;
while ((line = [self tryReadLineWithEncoding: encoding]) == nil)
if ([self isAtEndOfStream])
return nil;
return line;
}
- (OFString*)tryReadLine
{
return [self tryReadLineWithEncoding: OF_STRING_ENCODING_UTF_8];
}
- (OFString*)tryReadLineWithEncoding: (of_string_encoding_t)encoding
{
size_t i, bufferLength, retLength;
char *retCString, *buffer, *newCache;
OFString *ret;
/* Look if there's a line or \0 in our cache */
if (cache != NULL) {
for (i = 0; i < cacheLength; i++) {
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}
}
/* Read until we get a newline or \0 */
buffer = [self allocMemoryWithSize: of_pagesize];
@try {
for (;;) {
if ([self _isAtEndOfStream]) {
if (cache == NULL)
return nil;
retLength = cacheLength;
if (retLength > 0 &&
cache[retLength - 1] == '\r')
retLength--;
ret = [OFString stringWithCString: cache
encoding: encoding
length: retLength];
[self freeMemory: cache];
cache = NULL;
cacheLength = 0;
return ret;
}
bufferLength = [self _readNBytes: of_pagesize
intoBuffer: buffer];
/* 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;
retCString = [self
allocMemoryWithSize: retLength];
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
toSize: cacheLength +
bufferLength];
if (cache != NULL)
memcpy(cache +
cacheLength, buffer,
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;
return ret;
}
}
/* There was no newline or \0 */
cache = [self resizeMemory: cache
toSize: cacheLength + bufferLength];
/*
* It's possible that cacheLen + len is 0 and thus
* cache was set to NULL by resizeMemory:toSize:.
*/
if (cache != NULL)
memcpy(cache + cacheLength, buffer,
bufferLength);
cacheLength += bufferLength;
}
} @finally {
[self freeMemory: buffer];
}
/* Get rid of a warning, never reached anyway */
assert(0);
}
- (OFString*)readTillDelimiter: (OFString*)delimiter
{
return [self readTillDelimiter: delimiter
withEncoding: OF_STRING_ENCODING_UTF_8];
}
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}
}
/* Read until we get a newline or \0 */
buffer = [self allocMemoryWithSize: of_pagesize];
@try {
if ([self _isAtEndOfStream]) {
if (cache == NULL)
return nil;
retLength = cacheLength;
if (retLength > 0 && cache[retLength - 1] == '\r')
retLength--;
ret = [OFString stringWithCString: cache
encoding: encoding
length: retLength];
[self freeMemory: cache];
cache = NULL;
cacheLength = 0;
return ret;
}
bufferLength = [self _readNBytes: of_pagesize
intoBuffer: buffer];
/* 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;
retCString = [self
allocMemoryWithSize: retLength];
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
toSize: cacheLength +
bufferLength];
if (cache != NULL)
memcpy(cache + cacheLength,
buffer, 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;
return ret;
}
}
/* There was no newline or \0 */
cache = [self resizeMemory: cache
toSize: cacheLength + bufferLength];
/*
* It's possible that cacheLen + len is 0 and thus cache was
* set to NULL by resizeMemory:toSize:.
*/
if (cache != NULL)
memcpy(cache + cacheLength, buffer, bufferLength);
cacheLength += bufferLength;
} @finally {
[self freeMemory: buffer];
}
return nil;
}
- (OFString*)readTillDelimiter: (OFString*)delimiter
{
return [self readTillDelimiter: delimiter
withEncoding: OF_STRING_ENCODING_UTF_8];
}
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