1# Copyright 2016 Google Inc. All rights reserved. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15""" 16Provide pre-compiled struct packers for encoding and decoding. 17 18See: https://docs.python.org/2/library/struct.html#format-characters 19""" 20 21import struct 22from . import compat 23 24 25boolean = struct.Struct(compat.struct_bool_decl) 26 27uint8 = struct.Struct("<B") 28uint16 = struct.Struct("<H") 29uint32 = struct.Struct("<I") 30uint64 = struct.Struct("<Q") 31 32int8 = struct.Struct("<b") 33int16 = struct.Struct("<h") 34int32 = struct.Struct("<i") 35int64 = struct.Struct("<q") 36 37float32 = struct.Struct("<f") 38float64 = struct.Struct("<d") 39 40uoffset = uint32 41soffset = int32 42voffset = uint16 43