android/vendor/gix-0.52.0/src/config/tree/sections/fetch.rs

use crate::{
    config,
    config::tree::{keys, Fetch, Key, Section},
};

impl Fetch {
    /// The `fetch.negotiationAlgorithm` key.
    pub const NEGOTIATION_ALGORITHM: NegotiationAlgorithm = NegotiationAlgorithm::new_with_validate(
        "negotiationAlgorithm",
        &config::Tree::FETCH,
        validate::NegotiationAlgorithm,
    );
    /// The `fetch.recurseSubmodules` key.
    pub const RECURSE_SUBMODULES: RecurseSubmodules =
        RecurseSubmodules::new_with_validate("recurseSubmodules", &config::Tree::FETCH, validate::RecurseSubmodules);
}

impl Section for Fetch {
    fn name(&self) -> &str {
        "fetch"
    }

    fn keys(&self) -> &[&dyn Key] {
        &[&Self::NEGOTIATION_ALGORITHM, &Self::RECURSE_SUBMODULES]
    }
}

/// The `fetch.negotiationAlgorithm` key.
pub type NegotiationAlgorithm = keys::Any<validate::NegotiationAlgorithm>;

/// The `fetch.recurseSubmodules` key.
pub type RecurseSubmodules = keys::Any<validate::RecurseSubmodules>;

mod algorithm {
    use std::borrow::Cow;

    use gix_object::bstr::ByteSlice;

    use crate::{
        bstr::BStr,
        config::{
            key::GenericErrorWithValue,
            tree::sections::fetch::{NegotiationAlgorithm, RecurseSubmodules},
        },
        remote::fetch::negotiate,
    };

    impl NegotiationAlgorithm {
        /// Derive the negotiation algorithm identified by `name`, case-sensitively.
        pub fn try_into_negotiation_algorithm(
            &'static self,
            name: Cow<'_, BStr>,
        ) -> Result<negotiate::Algorithm, GenericErrorWithValue> {
            Ok(match name.as_ref().as_bytes() {
                b"noop" => negotiate::Algorithm::Noop,
                b"consecutive" | b"default" => negotiate::Algorithm::Consecutive,
                b"skipping" => negotiate::Algorithm::Skipping,
                _ => return Err(GenericErrorWithValue::from_value(self, name.into_owned())),
            })
        }
    }

    impl RecurseSubmodules {
        /// Obtain the way submodules should be updated.
        pub fn try_into_recurse_submodules(
            &'static self,
            value: Result<bool, gix_config::value::Error>,
        ) -> Result<gix_submodule::config::FetchRecurse, GenericErrorWithValue> {
            gix_submodule::config::FetchRecurse::new(value).map_err(|err| GenericErrorWithValue::from_value(self, err))
        }
    }
}

mod validate {
    use crate::{
        bstr::BStr,
        config::tree::{keys, Fetch},
    };

    pub struct NegotiationAlgorithm;
    impl keys::Validate for NegotiationAlgorithm {
        fn validate(&self, value: &BStr) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
            Fetch::NEGOTIATION_ALGORITHM.try_into_negotiation_algorithm(value.into())?;
            Ok(())
        }
    }

    pub struct RecurseSubmodules;
    impl keys::Validate for RecurseSubmodules {
        fn validate(&self, value: &BStr) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
            let boolean = gix_config::Boolean::try_from(value).map(|b| b.0);
            Fetch::RECURSE_SUBMODULES.try_into_recurse_submodules(boolean)?;
            Ok(())
        }
    }
}