diff options
Diffstat (limited to 'formats/binary')
-rw-r--r-- | formats/binary/Cargo.toml | 6 | ||||
-rw-r--r-- | formats/binary/src/lib.rs | 57 |
2 files changed, 63 insertions, 0 deletions
diff --git a/formats/binary/Cargo.toml b/formats/binary/Cargo.toml new file mode 100644 index 0000000..a4dc9e7 --- /dev/null +++ b/formats/binary/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "ilc-format-binary" +version = "0.1.0" +authors = ["Till Höppner <till@hoeppner.ws>"] + +[dependencies] diff --git a/formats/binary/src/lib.rs b/formats/binary/src/lib.rs new file mode 100644 index 0000000..7cc4281 --- /dev/null +++ b/formats/binary/src/lib.rs @@ -0,0 +1,57 @@ +// Copyright 2015 Till Höppner +// +// 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. + +use std::io::{BufRead, Write}; +use std::iter::Iterator; + +use event::Event; +use context::Context; +use format::{Decode, Encode}; + +use bincode::{self, SizeLimit}; + +pub struct Binary; + +pub struct Iter<'a> { + input: &'a mut BufRead, +} + +impl<'a> Iterator for Iter<'a> { + type Item = ::Result<Event<'a>>; + fn next(&mut self) -> Option<::Result<Event<'a>>> { + Some(bincode::rustc_serialize::decode_from::<_, Event>(&mut self.input, + SizeLimit::Infinite) + .map_err(|_| ::IlcError::BincodeDecode)) + } +} + +impl Encode for Binary { + fn encode<'a>(&'a self, + _context: &'a Context, + mut output: &'a mut Write, + event: &'a Event) + -> ::Result<()> { + bincode::rustc_serialize::encode_into(event, &mut output, SizeLimit::Infinite) + .map_err(|_| ::IlcError::BincodeEncode) + } +} + +impl Decode for Binary { + fn decode<'a>(&'a mut self, + _context: &'a Context, + input: &'a mut BufRead) + -> Box<Iterator<Item = ::Result<Event<'a>>> + 'a> { + Box::new(Iter { input: input }) + } +} |