nardol/ron/
mod.rs

1use ron::de;
2use ron::ser::{self, PrettyConfig};
3
4use serde::Deserialize;
5use serde::Serialize;
6
7use crate::error::{Error, ErrorKind};
8
9/// Trait with default method, that allows to create an implementor from given [RON](ron).
10pub trait FromRon<'a>
11where
12    Self: Sized + Deserialize<'a>,
13{
14    /// Creates an implementor from [RON](ron).
15    ///
16    /// # Errors
17    ///
18    /// Will return [Error] with kind [ErrorKind::DeserializingFailed]
19    /// if it fails to deserialize given string to implementor.
20    fn from_ron(ron: &'a str) -> Result<Self, Error> {
21        match de::from_str(ron) {
22            Ok(metadata) => Ok(metadata),
23            Err(_) => Err(Error::new(
24                ErrorKind::DeserializingFailed,
25                Some("Deserializing of given RON to struct failed.".to_string()),
26            )),
27        }
28    }
29}
30
31/// Trait with default methods that allow implementors parse them to [RON](ron) format.
32pub trait ToRon
33where
34    Self: Serialize,
35{
36    /// Returns a [RON](ron) from implementor.
37    ///
38    /// # Errors
39    /// 
40    /// Will return [Error] with kind [ErrorKind::SerializingFailed]
41    /// if it fails to serialize this implementor.
42    fn to_ron(&self) -> Result<String, Error> {
43        match ser::to_string(&self) {
44            Ok(serialized) => Ok(serialized),
45            Err(e) => Err(Error::new(
46                ErrorKind::SerializingFailed,
47                Some(format!("Serializing struct failed.\n{}", e)),
48            )),
49        }
50    }
51
52    /// Returns a `pretty` formatted [RON](ron) from implementor.
53    ///
54    /// # Arguments
55    /// 
56    /// [Optional](Option) `config` gives a [PrettyConfig] to use for formatting,
57    /// with one set if [None] is provided.
58    ///
59    /// # Errors
60    /// 
61    /// Will return [Error] with kind [ErrorKind::SerializingFailed]
62    ///  if it fails to serialize implementor.
63    fn to_ron_pretty(&self, config: Option<PrettyConfig>) -> Result<String, Error> {
64        let config = match config {
65            Some(config) => config,
66            None => PrettyConfig::new()
67                .with_depth_limit(4)
68                .with_decimal_floats(true),
69        };
70
71        match ser::to_string_pretty(&self, config) {
72            Ok(serialized) => Ok(serialized),
73            Err(e) => Err(Error::new(
74                ErrorKind::SerializingFailed,
75                Some(format!("Serializing struct failed.\n{}", e)),
76            )),
77        }
78    }
79}
nardol/ron/mod.rs

nardol/ron/
mod.rs
