derive_config/
lib.rs

1#![allow(clippy::multiple_crate_versions)]
2
3use std::{marker::Sized, path::PathBuf};
4
5pub use derive_macros::*;
6#[cfg(feature = "dirs")]
7pub use dirs::{self};
8use duplicate::duplicate_item;
9#[cfg(feature = "json")]
10pub use json::{self};
11use thiserror::Error;
12#[cfg(feature = "toml")]
13pub use toml::{self};
14#[cfg(feature = "yaml")]
15pub use yaml::{self};
16
17#[derive(Debug, Error)]
18pub enum ConfigError {
19    #[error("None")]
20    None,
21
22    #[error("{0}")]
23    Io(#[from] std::io::Error),
24
25    #[cfg(feature = "json")]
26    #[error("{0}")]
27    Json(#[from] json::Error),
28
29    #[cfg(feature = "toml")]
30    #[error("{0}")]
31    TomlDe(#[from] toml::de::Error),
32
33    #[cfg(feature = "toml")]
34    #[error("{0}")]
35    TomlSer(#[from] toml::ser::Error),
36
37    #[cfg(feature = "yaml")]
38    #[error("{0}")]
39    Yaml(#[from] yaml::Error),
40}
41
42#[duplicate_item(
43    language_struct_name;
44    [ DeriveJsonConfig ];
45    [ DeriveTomlConfig ];
46    [ DeriveYamlConfig ];
47)]
48pub trait language_struct_name {
49    /// # Errors
50    ///
51    /// Will return `Err` if `dirs::config_dir` returns err.
52    fn path() -> Result<PathBuf, ConfigError>;
53
54    /// # Errors
55    fn save(&self) -> Result<(), ConfigError>;
56
57    /// # Errors
58    fn load() -> Result<Self, ConfigError>
59    where
60        Self: Sized;
61}
derive_config/lib.rs

derive_config/
lib.rs
