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#import "OFStream.h"
#import "OFString.h"
#import "OFExceptions.h"
#import "macros.h"
#ifdef _WIN32
#include <windows.h>
#endif
static int pagesize = 0;
@implementation OFStream
- init
{
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#import "OFStream.h"
#import "OFString.h"
#import "OFExceptions.h"
#import "macros.h"
#ifdef _WIN32
# include <windows.h>
#endif
static int pagesize = 0;
@implementation OFStream
- init
{
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ret = [OFString stringWithCString: cache
encoding: encoding
length: ret_len];
tmp = [self allocMemoryWithSize: cache_len -
i - 1];
memcpy(tmp, cache + i + 1, cache_len - i - 1);
[self freeMemory: cache];
cache = tmp;
cache_len -= i + 1;
return ret;
}
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ret = [OFString stringWithCString: cache
encoding: encoding
length: ret_len];
tmp = [self allocMemoryWithSize: cache_len -
i - 1];
if (tmp != NULL)
memcpy(tmp, cache + i + 1,
cache_len - i - 1);
[self freeMemory: cache];
cache = tmp;
cache_len -= i + 1;
return ret;
}
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stringWithCString: ret_c
encoding: encoding
length: ret_len];
} @finally {
[self freeMemory: ret_c];
}
if (i < len) {
tmp2 = [self
allocMemoryWithSize: len -
i - 1];
[self freeMemory: cache];
cache = tmp2;
cache_len = len - i - 1;
} else {
[self freeMemory: cache];
cache = NULL;
cache_len = 0;
}
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stringWithCString: ret_c
encoding: encoding
length: ret_len];
} @finally {
[self freeMemory: ret_c];
}
tmp2 = [self
allocMemoryWithSize: len - i - 1];
if (tmp2 != NULL)
memcpy(tmp2, tmp + i + 1,
len - i - 1);
[self freeMemory: cache];
cache = tmp2;
cache_len = len - i - 1;
return ret;
}
}
/* There was no newline or \0 */
cache = [self resizeMemory: cache
toSize: cache_len + len];
/*
* It's possible that cache_len + len is 0 and thus
* cache was set to NULL by resizeMemory:toSize:.
*/
if (cache != NULL)
memcpy(cache + cache_len, tmp, len);
cache_len += len;
}
} @finally {
[self freeMemory: tmp];
}
/* Get rid of a warning, never reached anyway */
assert(0);
}
- (OFString*)readTillDelimiter: (OFString*)delimiter
{
return [self readTillDelimiter: delimiter
withEncoding: OF_STRING_ENCODING_UTF_8];
}
- (OFString*)readTillDelimiter: (OFString*)delimiter
withEncoding: (enum of_string_encoding)encoding
{
const char *delim;
size_t i, j, delim_len, len, ret_len;
char *ret_c, *tmp, *tmp2;
OFString *ret;
/* FIXME: Convert delimiter to specified charset */
delim = [delimiter cString];
delim_len = [delimiter cStringLength];
j = 0;
if (delim_len == 0)
@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
/* Look if there's something in our cache */
if (cache != NULL) {
for (i = 0; i < cache_len; i++) {
if (cache[i] != delim[j++])
j = 0;
if (j == delim_len || cache[i] == '\0') {
if (cache[i] == '\0')
delim_len = 1;
ret = [OFString stringWithCString: cache
encoding: encoding
length: i + 1 -
delim_len];
tmp = [self allocMemoryWithSize: cache_len - i -
1];
if (tmp != NULL)
memcpy(tmp, cache + i + 1,
cache_len - i - 1);
[self freeMemory: cache];
cache = tmp;
cache_len -= i + 1;
return ret;
}
}
}
/* Read until we get the delimiter or \0 */
tmp = [self allocMemoryWithSize: pagesize];
@try {
for (;;) {
if ([self atEndOfStreamWithoutCache]) {
if (cache == NULL)
return nil;
ret = [OFString stringWithCString: cache
encoding: encoding
length: cache_len];
[self freeMemory: cache];
cache = NULL;
cache_len = 0;
return ret;
}
len = [self readNBytesWithoutCache: pagesize
intoBuffer: tmp];
/* Look if there's the delimiter or \0 */
for (i = 0; i < len; i++) {
if (tmp[i] != delim[j++])
j = 0;
if (j == delim_len || tmp[i] == '\0') {
if (tmp[i] == '\0')
delim_len = 1;
ret_len = cache_len + i + 1 - delim_len;
ret_c = [self
allocMemoryWithSize: ret_len];
if (cache != NULL &&
cache_len <= ret_len)
memcpy(ret_c, cache, cache_len);
else if (cache != NULL)
memcpy(ret_c, cache, ret_len);
if (i >= delim_len)
memcpy(ret_c + cache_len, tmp,
i + 1 - delim_len);
@try {
ret = [OFString
stringWithCString: ret_c
encoding: encoding
length: ret_len];
} @finally {
[self freeMemory: ret_c];
}
tmp2 = [self
allocMemoryWithSize: len - i - 1];
if (tmp2 != NULL)
memcpy(tmp2, tmp + i + 1,
len - i - 1);
[self freeMemory: cache];
cache = tmp2;
cache_len = len - i - 1;
return ret;
}
}
/* Neither the delimiter nor \0 was found */
cache = [self resizeMemory: cache
toSize: cache_len + len];
/*
* It's possible that cache_len + len is 0 and thus
* cache was set to NULL by resizeMemory:toSize:.
*/
if (cache != NULL)
memcpy(cache + cache_len, tmp, len);
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