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@implementation OFMutableString_UTF8
+ (void)initialize
{
if (self == [OFMutableString_UTF8 class])
[self inheritMethodsFromClass: [OFString_UTF8 class]];
}
- (void)_applyTable: (const of_unichar_t* const[])table
withSize: (size_t)tableSize
of_unichar_t c;
size_t unicodeLen, newCStringLength, cLen;
size_t i, j, d;
char *newCString;
if (!s->UTF8) {
assert(tableSize >= 1);
uint8_t *p = (uint8_t*)s->cString + s->cStringLength;
uint8_t t;
s->hashed = NO;
while (--p >= (uint8_t*)s->cString)
if ((t = table[0][*p]) != 0)
*p = t;
return;
}
unicodeLen = [self length];
unicodeString = [self allocMemoryWithSize: sizeof(of_unichar_t)
count: unicodeLen];
i = j = 0;
newCStringLength = 0;
while (i < s->cStringLength) {
cLen = of_string_utf8_to_unicode(s->cString + i,
s->cStringLength - i, &c);
if (cLen == 0 || c > 0x10FFFF) {
[self freeMemory: unicodeString];
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
}
if (c >> 8 < tableSize) {
of_unichar_t tc = table[c >> 8][c & 0xFF];
if (tc)
c = tc;
}
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@implementation OFMutableString_UTF8
+ (void)initialize
{
if (self == [OFMutableString_UTF8 class])
[self inheritMethodsFromClass: [OFString_UTF8 class]];
}
- (void)_convertWithWordStartTable: (const of_unichar_t *const[])startTable
wordMiddleTable: (const of_unichar_t *const[])middleTable
wordStartTableSize: (size_t)startTableSize
wordMiddleTableSize: (size_t)middleTableSize
{
of_unichar_t *unicodeString;
size_t unicodeLen, newCStringLength;
size_t i, j;
char *newCString;
BOOL isStart = YES;
if (!s->UTF8) {
uint8_t t;
const of_unichar_t *const *table;
size_t tableSize;
assert(startTableSize >= 1 && middleTableSize >= 1);
s->hashed = NO;
for (i = 0; i < s->cStringLength; i++) {
if (isStart) {
table = startTable;
tableSize = middleTableSize;
} else {
table = middleTable;
tableSize = middleTableSize;
}
switch (s->cString[i]) {
case ' ':
case '\t':
case '\n':
case '\r':
isStart = YES;
break;
default:
isStart = NO;
break;
}
if ((t = table[0][(uint8_t)s->cString[i]]) != 0)
s->cString[i] = t;
}
return;
}
unicodeLen = [self length];
unicodeString = [self allocMemoryWithSize: sizeof(of_unichar_t)
count: unicodeLen];
i = j = 0;
newCStringLength = 0;
while (i < s->cStringLength) {
const of_unichar_t *const *table;
size_t tableSize;
of_unichar_t c;
size_t cLen;
if (isStart) {
table = startTable;
tableSize = middleTableSize;
} else {
table = middleTable;
tableSize = middleTableSize;
}
cLen = of_string_utf8_to_unicode(s->cString + i,
s->cStringLength - i, &c);
if (cLen == 0 || c > 0x10FFFF) {
[self freeMemory: unicodeString];
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
}
switch (c) {
case ' ':
case '\t':
case '\n':
case '\r':
isStart = YES;
break;
default:
isStart = NO;
break;
}
if (c >> 8 < tableSize) {
of_unichar_t tc = table[c >> 8][c & 0xFF];
if (tc)
c = tc;
}
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[self freeMemory: unicodeString];
@throw e;
}
j = 0;
for (i = 0; i < unicodeLen; i++) {
if ((d = of_string_unicode_to_utf8(unicodeString[i],
newCString + j)) == 0) {
[self freeMemory: unicodeString];
[self freeMemory: newCString];
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
}
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[self freeMemory: unicodeString];
@throw e;
}
j = 0;
for (i = 0; i < unicodeLen; i++) {
size_t d;
if ((d = of_string_unicode_to_utf8(unicodeString[i],
newCString + j)) == 0) {
[self freeMemory: unicodeString];
[self freeMemory: newCString];
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
}
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