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use crate::Configuration;
use std::ops::Deref;
/// Defines the behavior for a section of application configuration values.
pub trait ConfigurationSection: Configuration + Deref<Target = dyn Configuration> {
/// Gets the key this section occupies in its parent.
fn key(&self) -> &str;
/// Gets the full path to this section within the [configuration](trait.Configuration.html).
fn path(&self) -> &str;
/// Gets the section value.
fn value(&self) -> &str;
}
pub mod ext {
use super::*;
/// Defines extension methods for the [ConfigurationSection](trait.ConfigurationSection.html) trait.
pub trait ConfigurationSectionExtensions {
/// Gets a value indicating whether the configuration section exists.
///
/// # Remarks
///
/// A configuration section is considered nonexistent if it has no
/// value and no children
fn exists(&self) -> bool;
}
impl ConfigurationSectionExtensions for dyn ConfigurationSection {
fn exists(&self) -> bool {
!self.value().is_empty() || !self.children().is_empty()
}
}
impl<T: ConfigurationSection> ConfigurationSectionExtensions for T {
fn exists(&self) -> bool {
!self.value().is_empty() || !self.children().is_empty()
}
}
}