void IDBCursor::advance(unsigned long count, ExceptionCode& ec)
{
LOG(IndexedDB, "IDBCursor::advance");
if (!m_request) {
ec = IDBDatabaseException::InvalidStateError;
return;
}
if (!count) {
ec = TypeError;
return;
}
if (sourcesDeleted()) {
ec = IDBDatabaseException::InvalidStateError;
return;
}
if (!transaction().isActive()) {
ec = IDBDatabaseException::TransactionInactiveError;
return;
}
if (!m_gotValue) {
ec = IDBDatabaseException::InvalidStateError;
return;
}
m_gotValue = false;
uncheckedIteratorCursor(IDBKeyData(), count);
}
void IDBCursor::continueFunction(const IDBKeyData& key, ExceptionCodeWithMessage& ec)
{
LOG(IndexedDB, "IDBCursor::continueFunction");
if (!m_request) {
ec.code = IDBDatabaseException::InvalidStateError;
return;
}
if (sourcesDeleted()) {
ec.code = IDBDatabaseException::InvalidStateError;
return;
}
if (!transaction().isActive()) {
ec.code = IDBDatabaseException::TransactionInactiveError;
ec.message = ASCIILiteral("Failed to execute 'continue' on 'IDBCursor': The transaction is inactive or finished.");
return;
}
if (!m_gotValue) {
ec.code = IDBDatabaseException::InvalidStateError;
ec.message = ASCIILiteral("Failed to execute 'continue' on 'IDBCursor': The cursor is being iterated or has iterated past its end.");
return;
}
if (!key.isNull() && !key.isValid()) {
ec.code = IDBDatabaseException::DataError;
ec.message = ASCIILiteral("Failed to execute 'continue' on 'IDBCursor': The parameter is not a valid key.");
return;
}
if (m_info.isDirectionForward()) {
if (!key.isNull() && key.compare(m_currentPrimaryKeyData) <= 0) {
ec.code = IDBDatabaseException::DataError;
ec.message = ASCIILiteral("Failed to execute 'continue' on 'IDBCursor': The parameter is less than or equal to this cursor's position.");
return;
}
} else if (!key.isNull() && key.compare(m_currentPrimaryKeyData) >= 0) {
ec.code = IDBDatabaseException::DataError;
ec.message = ASCIILiteral("Failed to execute 'continue' on 'IDBCursor': The parameter is greater than or equal to this cursor's position.");
return;
}
m_gotValue = false;
uncheckedIteratorCursor(key, 0);
}
void IDBCursor::continueFunction(const IDBKeyData& key, ExceptionCode& ec)
{
LOG(IndexedDB, "IDBCursor::continueFunction");
if (!m_request) {
ec = IDBDatabaseException::InvalidStateError;
return;
}
if (sourcesDeleted()) {
ec = IDBDatabaseException::InvalidStateError;
return;
}
if (!transaction().isActive()) {
ec = IDBDatabaseException::TransactionInactiveError;
return;
}
if (!m_gotValue) {
ec = IDBDatabaseException::InvalidStateError;
return;
}
if (!key.isNull() && !key.isValid()) {
ec = IDBDatabaseException::DataError;
return;
}
if (m_info.isDirectionForward()) {
if (!key.isNull() && key.compare(m_currentPrimaryKeyData) <= 0) {
ec = IDBDatabaseException::DataError;
return;
}
} else if (!key.isNull() && key.compare(m_currentPrimaryKeyData) >= 0) {
ec = IDBDatabaseException::DataError;
return;
}
m_gotValue = false;
uncheckedIteratorCursor(key, 0);
}
void IDBCursor::advance(unsigned long count, ExceptionCodeWithMessage& ec)
{
LOG(IndexedDB, "IDBCursor::advance");
if (!m_request) {
ec.code = IDBDatabaseException::InvalidStateError;
return;
}
if (!count) {
ec.code = TypeError;
ec.message = ASCIILiteral("Failed to execute 'advance' on 'IDBCursor': A count argument with value 0 (zero) was supplied, must be greater than 0.");
return;
}
if (sourcesDeleted()) {
ec.code = IDBDatabaseException::InvalidStateError;
return;
}
if (!transaction().isActive()) {
ec.code = IDBDatabaseException::TransactionInactiveError;
ec.message = ASCIILiteral("Failed to execute 'advance' on 'IDBCursor': The transaction is inactive or finished.");
return;
}
if (!m_gotValue) {
ec.code = IDBDatabaseException::InvalidStateError;
ec.message = ASCIILiteral("Failed to execute 'advance' on 'IDBCursor': The cursor is being iterated or has iterated past its end.");
return;
}
m_gotValue = false;
uncheckedIteratorCursor(IDBKeyData(), count);
}