serdeconv 0.2.0

This crate provides convenient traits and functions for converting between TOML/JSON/MessagePack strings and serializable values.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

use std::fs::File;
use std::io::{Read, Write};
use std::path::Path;
use serde::{Deserialize, Serialize};
use rmp_serde;

use Result;

/// Converts from the MessagePack file to a value of `T` type.
pub fn from_msgpack_file<T, P>(path: P) -> Result<T>
    where T: for<'a> Deserialize<'a>,
          P: AsRef<Path>
{
    let f = track_try!(File::open(path));
    track!(from_msgpack_reader(f))
}

/// Reads a MessagePack bytes from the reader and converts it to a value of `T` type.
pub fn from_msgpack_reader<T, R>(reader: R) -> Result<T>
    where T: for<'a> Deserialize<'a>,
          R: Read
{
    let value = track_try!(rmp_serde::decode::from_read(reader));
    Ok(value)
}

/// Converts from the MessagePack bytes to a value of `T` type.
pub fn from_msgpack_slice<T>(bytes: &[u8]) -> Result<T>
    where T: for<'a> Deserialize<'a>
{
    let value = track_try!(rmp_serde::from_slice(bytes));
    Ok(value)
}

/// Converts the value to a MessagePack bytes and writes it to the speficied file.
pub fn to_msgpack_file<T, P>(value: &T, path: P) -> Result<()>
    where T: ?Sized + Serialize,
          P: AsRef<Path>
{
    let f = track_try!(File::create(path));
    track!(to_msgpack_writer(value, f))
}

/// Converts the value to a MessagePack bytes and writes it to the writer.
pub fn to_msgpack_writer<T, W>(value: &T, mut writer: W) -> Result<()>
    where T: ?Sized + Serialize,
          W: Write
{
    track_try!(rmp_serde::encode::write(&mut writer, value));
    Ok(())
}

/// Converts the value to a MessagePack bytes.
pub fn to_msgpack_vec<T>(value: &T) -> Result<Vec<u8>>
    where T: ?Sized + Serialize
{
    let bytes = track_try!(rmp_serde::encode::to_vec(value));
    Ok(bytes)
}