| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """ |
| Module containing the definitions and declarations (parsing.pxd) for parsers. |
| """ |
| |
| cdef class ParseDesc: |
| """Description of what structure to parse""" |
| |
| def __init__(self, colnames, coltypes, column_encryption_policy, coldescs, deserializers, protocol_version): |
| self.colnames = colnames |
| self.coltypes = coltypes |
| self.column_encryption_policy = column_encryption_policy |
| self.coldescs = coldescs |
| self.deserializers = deserializers |
| self.protocol_version = protocol_version |
| self.rowsize = len(colnames) |
| |
| |
| cdef class ColumnParser: |
| """Decode a ResultMessage into a set of columns""" |
| |
| cpdef parse_rows(self, BytesIOReader reader, ParseDesc desc): |
| raise NotImplementedError |
| |
| |
| cdef class RowParser: |
| """Parser for a single row""" |
| |
| cpdef unpack_row(self, BytesIOReader reader, ParseDesc desc): |
| """ |
| Unpack a single row of data in a ResultMessage. |
| """ |
| raise NotImplementedError |