| # Copyright 2016 Google Inc. All rights reserved. |
| # |
| # 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. |
| |
| """ |
| Provide pre-compiled struct packers for encoding and decoding. |
| |
| See: https://docs.python.org/2/library/struct.html#format-characters |
| """ |
| |
| import struct |
| from . import compat |
| |
| |
| boolean = struct.Struct(compat.struct_bool_decl) |
| |
| uint8 = struct.Struct("<B") |
| uint16 = struct.Struct("<H") |
| uint32 = struct.Struct("<I") |
| uint64 = struct.Struct("<Q") |
| |
| int8 = struct.Struct("<b") |
| int16 = struct.Struct("<h") |
| int32 = struct.Struct("<i") |
| int64 = struct.Struct("<q") |
| |
| float32 = struct.Struct("<f") |
| float64 = struct.Struct("<d") |
| |
| uoffset = uint32 |
| soffset = int32 |
| voffset = uint16 |
