void JSRopeString::resolveRope(ExecState* exec) const
{
ASSERT(isRope());
if (is8Bit()) {
LChar* buffer;
if (RefPtr<StringImpl> newImpl = StringImpl::tryCreateUninitialized(m_length, buffer)) {
Heap::heap(this)->reportExtraMemoryCost(newImpl->cost());
m_value = newImpl.release();
} else {
outOfMemory(exec);
return;
}
for (size_t i = 0; i < s_maxInternalRopeLength && m_fibers[i]; ++i) {
if (m_fibers[i]->isRope())
return resolveRopeSlowCase8(buffer);
}
LChar* position = buffer;
for (size_t i = 0; i < s_maxInternalRopeLength && m_fibers[i]; ++i) {
StringImpl* string = m_fibers[i]->m_value.impl();
unsigned length = string->length();
StringImpl::copyChars(position, string->characters8(), length);
position += length;
m_fibers[i].clear();
}
ASSERT((buffer + m_length) == position);
ASSERT(!isRope());
return;
}
UChar* buffer;
if (RefPtr<StringImpl> newImpl = StringImpl::tryCreateUninitialized(m_length, buffer)) {
Heap::heap(this)->reportExtraMemoryCost(newImpl->cost());
m_value = newImpl.release();
} else {
outOfMemory(exec);
return;
}
for (size_t i = 0; i < s_maxInternalRopeLength && m_fibers[i]; ++i) {
if (m_fibers[i]->isRope())
return resolveRopeSlowCase(buffer);
}
UChar* position = buffer;
for (size_t i = 0; i < s_maxInternalRopeLength && m_fibers[i]; ++i) {
StringImpl* string = m_fibers[i]->m_value.impl();
unsigned length = string->length();
StringImpl::copyChars(position, string->characters(), length);
position += length;
m_fibers[i].clear();
}
ASSERT((buffer + m_length) == position);
ASSERT(!isRope());
}
void JSRopeString::resolveRopeInternal8NoSubstring(LChar* buffer) const
{
for (size_t i = 0; i < s_maxInternalRopeLength && fiber(i); ++i) {
if (fiber(i)->isRope()) {
resolveRopeSlowCase8(buffer);
return;
}
}
LChar* position = buffer;
for (size_t i = 0; i < s_maxInternalRopeLength && fiber(i); ++i) {
const StringImpl& fiberString = *fiber(i)->m_value.impl();
unsigned length = fiberString.length();
StringImpl::copyChars(position, fiberString.characters8(), length);
position += length;
}
ASSERT((buffer + length()) == position);
}
