bool NameValueTableWrapper::validFullPos(const FullPos & fp) const {
assert(fp.getContainer() == (ArrayData*)this);
if (fp.getResetFlag()) return false;
if (fp.m_pos == ArrayData::invalid_index) return false;
NameValueTable::Iterator iter(m_tab, fp.m_pos);
return (iter.valid());
}
bool
NameValueTableWrapper::ValidFullPos(const ArrayData* ad, const FullPos & fp) {
assert(fp.getContainer() == ad);
auto a = asNVTW(ad);
if (fp.getResetFlag()) return false;
if (fp.m_pos == invalid_index) return false;
NameValueTable::Iterator iter(a->m_tab, fp.m_pos);
return iter.valid();
}
bool NameValueTableWrapper::advanceFullPos(FullPos& fp) {
bool reset = fp.getResetFlag();
NameValueTable::Iterator iter = reset ?
NameValueTable::Iterator(m_tab) :
NameValueTable::Iterator(m_tab, fp.m_pos);
if (reset) {
fp.setResetFlag(false);
} else {
if (!iter.valid()) {
return false;
}
iter.next();
}
fp.m_pos = iter.toInteger();
if (!iter.valid()) return false;
// To conform to PHP behavior, we need to set the internal
// cursor to point to the next element.
iter.next();
m_pos = iter.toInteger();
return true;
}