147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
-
+
-
+
-
+
-
+
-
+
-
+
-
+
|
return isUTF8;
}
size_t
of_string_utf8_get_index(const char *string, size_t position)
{
size_t index = position;
size_t idx = position;
for (size_t i = 0; i < position; i++)
if OF_UNLIKELY ((string[i] & 0xC0) == 0x80)
index--;
idx--;
return index;
return idx;
}
size_t
of_string_utf8_get_position(const char *string, size_t index, size_t length)
of_string_utf8_get_position(const char *string, size_t idx, size_t length)
{
for (size_t i = 0; i <= index; i++)
for (size_t i = 0; i <= idx; i++)
if OF_UNLIKELY ((string[i] & 0xC0) == 0x80)
if (++index > length)
if (++idx > length)
return OF_NOT_FOUND;
return index;
return idx;
}
@implementation OFString_UTF8
- init
{
self = [super init];
|
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
|
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
|
-
+
-
+
-
+
-
+
-
-
-
+
+
|
_s->hash = hash;
_s->hashed = true;
return hash;
}
- (of_unichar_t)characterAtIndex: (size_t)index
- (of_unichar_t)characterAtIndex: (size_t)idx
{
of_unichar_t character;
if (index >= _s->length)
if (idx >= _s->length)
@throw [OFOutOfRangeException exception];
if (!_s->isUTF8)
return _s->cString[index];
return _s->cString[idx];
index = of_string_utf8_get_position(_s->cString, index,
idx = of_string_utf8_get_position(_s->cString, idx, _s->cStringLength);
_s->cStringLength);
if (of_string_utf8_decode(_s->cString + index,
_s->cStringLength - index, &character) <= 0)
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
|