void CSSSelectorList::adoptSelectorVector(Vector<OwnPtr<CSSParserSelector>>& selectorVector)
{
deleteSelectors();
size_t flattenedSize = 0;
for (size_t i = 0; i < selectorVector.size(); ++i) {
for (CSSParserSelector* selector = selectorVector[i].get(); selector; selector = selector->tagHistory())
++flattenedSize;
}
ASSERT(flattenedSize);
m_selectorArray = reinterpret_cast<CSSSelector*>(fastMalloc(sizeof(CSSSelector) * flattenedSize));
size_t arrayIndex = 0;
for (size_t i = 0; i < selectorVector.size(); ++i) {
CSSParserSelector* current = selectorVector[i].get();
while (current) {
// Move item from the parser selector vector into m_selectorArray without invoking destructor (Ugh.)
CSSSelector* currentSelector = current->releaseSelector().leakPtr();
memcpy(&m_selectorArray[arrayIndex], currentSelector, sizeof(CSSSelector));
fastFree(currentSelector);
current = current->tagHistory();
ASSERT(!m_selectorArray[arrayIndex].isLastInSelectorList());
if (current)
m_selectorArray[arrayIndex].setNotLastInTagHistory();
++arrayIndex;
}
ASSERT(m_selectorArray[arrayIndex - 1].isLastInTagHistory());
}
ASSERT(flattenedSize == arrayIndex);
m_selectorArray[arrayIndex - 1].setLastInSelectorList();
selectorVector.clear();
}
CSSSelectorList CSSSelectorList::adoptSelectorVector(
Vector<std::unique_ptr<CSSParserSelector>>& selectorVector) {
size_t flattenedSize = 0;
for (size_t i = 0; i < selectorVector.size(); ++i) {
for (CSSParserSelector* selector = selectorVector[i].get(); selector;
selector = selector->tagHistory())
++flattenedSize;
}
ASSERT(flattenedSize);
CSSSelectorList list;
list.m_selectorArray =
reinterpret_cast<CSSSelector*>(WTF::Partitions::fastMalloc(
sizeof(CSSSelector) * flattenedSize, kCSSSelectorTypeName));
size_t arrayIndex = 0;
for (size_t i = 0; i < selectorVector.size(); ++i) {
CSSParserSelector* current = selectorVector[i].get();
while (current) {
// Move item from the parser selector vector into m_selectorArray without
// invoking destructor (Ugh.)
CSSSelector* currentSelector = current->releaseSelector().release();
memcpy(&list.m_selectorArray[arrayIndex], currentSelector,
sizeof(CSSSelector));
WTF::Partitions::fastFree(currentSelector);
current = current->tagHistory();
ASSERT(!list.m_selectorArray[arrayIndex].isLastInSelectorList());
if (current)
list.m_selectorArray[arrayIndex].setNotLastInTagHistory();
++arrayIndex;
}
ASSERT(list.m_selectorArray[arrayIndex - 1].isLastInTagHistory());
}
ASSERT(flattenedSize == arrayIndex);
list.m_selectorArray[arrayIndex - 1].setLastInSelectorList();
selectorVector.clear();
return list;
}
void CSSSelectorList::adoptSelectorVector(Vector<OwnPtr<CSSParserSelector> >& selectorVector)
{
deleteSelectors();
const size_t vectorSize = selectorVector.size();
size_t flattenedSize = 0;
for (size_t i = 0; i < vectorSize; ++i) {
for (CSSParserSelector* selector = selectorVector[i].get(); selector; selector = selector->tagHistory())
++flattenedSize;
}
ASSERT(flattenedSize);
if (flattenedSize == 1) {
m_selectorArray = selectorVector[0]->releaseSelector().leakPtr();
m_selectorArray->setLastInSelectorList();
ASSERT(m_selectorArray->isLastInTagHistory());
selectorVector.shrink(0);
return;
}
m_selectorArray = reinterpret_cast<CSSSelector*>(fastMalloc(sizeof(CSSSelector) * flattenedSize));
size_t arrayIndex = 0;
for (size_t i = 0; i < vectorSize; ++i) {
CSSParserSelector* current = selectorVector[i].get();
while (current) {
OwnPtr<CSSSelector> selector = current->releaseSelector();
current = current->tagHistory();
move(selector.release(), &m_selectorArray[arrayIndex]);
ASSERT(!m_selectorArray[arrayIndex].isLastInSelectorList());
if (current)
m_selectorArray[arrayIndex].setNotLastInTagHistory();
++arrayIndex;
}
ASSERT(m_selectorArray[arrayIndex - 1].isLastInTagHistory());
}
ASSERT(flattenedSize == arrayIndex);
m_selectorArray[arrayIndex - 1].setLastInSelectorList();
selectorVector.shrink(0);
}
