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return isUTF8;
}
size_t
of_string_utf8_get_index(const char *string, size_t position)
{
size_t index = position;
for (size_t i = 0; i < position; i++)
if OF_UNLIKELY ((string[i] & 0xC0) == 0x80)
index--;
return index;
}
size_t
of_string_utf8_get_position(const char *string, size_t index, size_t length)
{
for (size_t i = 0; i <= index; i++)
if OF_UNLIKELY ((string[i] & 0xC0) == 0x80)
if (++index > length)
return OF_NOT_FOUND;
return index;
}
@implementation OFString_UTF8
- init
{
self = [super init];
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return isUTF8;
}
size_t
of_string_utf8_get_index(const char *string, size_t position)
{
size_t idx = position;
for (size_t i = 0; i < position; i++)
if OF_UNLIKELY ((string[i] & 0xC0) == 0x80)
idx--;
return idx;
}
size_t
of_string_utf8_get_position(const char *string, size_t idx, size_t length)
{
for (size_t i = 0; i <= idx; i++)
if OF_UNLIKELY ((string[i] & 0xC0) == 0x80)
if (++idx > length)
return OF_NOT_FOUND;
return idx;
}
@implementation OFString_UTF8
- init
{
self = [super init];
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return self;
}
- initWithUTF8StringNoCopy: (char *)UTF8String
freeWhenDone: (bool)freeWhenDone
{
self = [super init];
@try {
size_t UTF8StringLength = strlen(UTF8String);
if (UTF8StringLength >= 3 &&
memcmp(UTF8String, "\xEF\xBB\xBF", 3) == 0) {
UTF8String += 3;
UTF8StringLength -= 3;
}
_s = &_storage;
if (freeWhenDone)
_s->freeWhenDone = UTF8String;
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return self;
}
- initWithUTF8StringNoCopy: (char *)UTF8String
freeWhenDone: (bool)freeWhenDone
{
@try {
self = [super init];
} @catch (id e) {
if (freeWhenDone)
free(UTF8String);
@throw e;
}
@try {
size_t UTF8StringLength = strlen(UTF8String);
_s = &_storage;
if (freeWhenDone)
_s->freeWhenDone = UTF8String;
if (UTF8StringLength >= 3 &&
memcmp(UTF8String, "\xEF\xBB\xBF", 3) == 0) {
UTF8String += 3;
UTF8StringLength -= 3;
}
_s->cString = (char *)UTF8String;
_s->cStringLength = UTF8StringLength;
switch (of_string_utf8_check(UTF8String, UTF8StringLength,
&_s->length)) {
case 1:
_s->isUTF8 = true;
break;
case -1:
@throw [OFInvalidEncodingException exception];
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_s->hash = hash;
_s->hashed = true;
return hash;
}
- (of_unichar_t)characterAtIndex: (size_t)index
{
of_unichar_t character;
if (index >= _s->length)
@throw [OFOutOfRangeException exception];
if (!_s->isUTF8)
return _s->cString[index];
index = of_string_utf8_get_position(_s->cString, index,
_s->cStringLength);
if (of_string_utf8_decode(_s->cString + index,
_s->cStringLength - index, &character) <= 0)
@throw [OFInvalidEncodingException exception];
return character;
}
- (void)getCharacters: (of_unichar_t *)buffer
inRange: (of_range_t)range
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_s->hash = hash;
_s->hashed = true;
return hash;
}
- (of_unichar_t)characterAtIndex: (size_t)idx
{
of_unichar_t character;
if (idx >= _s->length)
@throw [OFOutOfRangeException exception];
if (!_s->isUTF8)
return _s->cString[idx];
idx = of_string_utf8_get_position(_s->cString, idx, _s->cStringLength);
if (of_string_utf8_decode(_s->cString + idx,
_s->cStringLength - idx, &character) <= 0)
@throw [OFInvalidEncodingException exception];
return character;
}
- (void)getCharacters: (of_unichar_t *)buffer
inRange: (of_range_t)range
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