45 lines
1.4 KiB
Cython
45 lines
1.4 KiB
Cython
# Copyright 2013-2016 DataStax, Inc.
|
|
#
|
|
# Licensed 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, deserializers, protocol_version):
|
|
self.colnames = colnames
|
|
self.coltypes = coltypes
|
|
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
|