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1 | // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
c34b1796 | 11 | |
d9579d0f | 12 | #![feature(rustc_private)] |
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13 | |
14 | extern crate rbml; | |
15 | extern crate serialize; | |
16 | ||
c34b1796 AL |
17 | use std::io::Cursor; |
18 | use std::io::prelude::*; | |
1a4d82fc | 19 | use std::fmt; |
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20 | use std::slice; |
21 | ||
22 | use serialize::{Encodable, Encoder}; | |
23 | use serialize::json; | |
24 | ||
25 | use rbml::writer; | |
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26 | |
27 | #[derive(Encodable)] | |
28 | struct Foo { | |
29 | baz: bool, | |
30 | } | |
31 | ||
32 | #[derive(Encodable)] | |
33 | struct Bar { | |
c34b1796 | 34 | froboz: usize, |
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35 | } |
36 | ||
37 | enum WireProtocol { | |
38 | JSON, | |
39 | RBML, | |
40 | // ... | |
41 | } | |
42 | ||
c34b1796 | 43 | fn encode_json<T: Encodable>(val: &T, wr: &mut Cursor<Vec<u8>>) { |
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44 | write!(wr, "{}", json::as_json(val)); |
45 | } | |
c34b1796 | 46 | fn encode_rbml<T: Encodable>(val: &T, wr: &mut Cursor<Vec<u8>>) { |
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47 | let mut encoder = writer::Encoder::new(wr); |
48 | val.encode(&mut encoder); | |
49 | } | |
50 | ||
51 | pub fn main() { | |
52 | let target = Foo{baz: false,}; | |
c34b1796 | 53 | let mut wr = Cursor::new(Vec::new()); |
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54 | let proto = WireProtocol::JSON; |
55 | match proto { | |
56 | WireProtocol::JSON => encode_json(&target, &mut wr), | |
57 | WireProtocol::RBML => encode_rbml(&target, &mut wr) | |
58 | } | |
59 | } |