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mod cell;
mod configurable;
mod overrides;
pub use self::{cell::CfgCell, configurable::Configurable, overrides::Override};
use crate::{
fs::File,
path::AbsPath,
FrameworkError,
FrameworkErrorKind::{ConfigError, IoError, PathError},
};
use serde::de::DeserializeOwned;
use std::{fmt::Debug, io::Read};
#[cfg(feature = "application")]
pub type Reader<C> = std::sync::Arc<C>;
pub trait Config: Debug + Default + DeserializeOwned {
fn load_toml(toml_string: impl AsRef<str>) -> Result<Self, FrameworkError>;
fn load_toml_file(path: impl AsRef<AbsPath>) -> Result<Self, FrameworkError>;
}
impl<C> Config for C
where
C: Debug + Default + DeserializeOwned,
{
fn load_toml(toml_string: impl AsRef<str>) -> Result<Self, FrameworkError> {
Ok(toml::from_str(toml_string.as_ref())?)
}
fn load_toml_file(path: impl AsRef<AbsPath>) -> Result<Self, FrameworkError> {
let mut file = File::open(path.as_ref().as_path()).map_err(|e| {
let io_error = IoError.context(e);
let path_error = PathError {
name: Some(path.as_ref().as_path().into()),
}
.context(io_error);
ConfigError.context(path_error)
})?;
let mut toml_string = String::new();
file.read_to_string(&mut toml_string)?;
Self::load_toml(toml_string)
}
}