heapless/src/ser.rs at 2c31efd4426ca00fcb3ef7f0125dd3605c249fe9 · rust-embedded/heapless · GitHub

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use core::hash::{BuildHasher, Hash};

use crate::{
    binary_heap::{BinaryHeapInner, Kind as BinaryHeapKind},
    deque::DequeInner,
    history_buf::{HistoryBufInner, HistoryBufStorage},
    len_type::LenType,
    linear_map::{LinearMapInner, LinearMapStorage},
    sorted_linear_map::{SortedLinearMapInner, SortedLinearMapStorage},
    string::{StringInner, StringStorage},
    vec::{VecInner, VecStorage},
    IndexMap, IndexSet,
};
use serde_core::ser::{Serialize, SerializeMap, SerializeSeq, Serializer};

// Sequential containers

impl<T, KIND, S> Serialize for BinaryHeapInner<T, KIND, S>
where
    T: Ord + Serialize,
    KIND: BinaryHeapKind,
    S: VecStorage<T> + ?Sized,
{
    fn serialize<SER>(&self, serializer: SER) -> Result<SER::Ok, SER::Error>
    where
        SER: Serializer,
    {
        let mut seq = serializer.serialize_seq(Some(self.len()))?;
        for element in self {
            seq.serialize_element(element)?;
        }
        seq.end()
    }
}

impl<T, S, const N: usize> Serialize for IndexSet<T, S, N>
where
    T: Eq + Hash + Serialize,
    S: BuildHasher,
{
    fn serialize<SER>(&self, serializer: SER) -> Result<SER::Ok, SER::Error>
    where
        SER: Serializer,
    {
        let mut seq = serializer.serialize_seq(Some(self.len()))?;
        for element in self {
            seq.serialize_element(element)?;
        }
        seq.end()
    }
}

impl<T, LenT: LenType, St: VecStorage<T>> Serialize for VecInner<T, LenT, St>
where
    T: Serialize,
{
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        let mut seq = serializer.serialize_seq(Some(self.len()))?;
        for element in self {
            seq.serialize_element(element)?;
        }
        seq.end()
    }
}

impl<T, S: VecStorage<T> + ?Sized> Serialize for DequeInner<T, S>
where
    T: Serialize,
{
    fn serialize<SER>(&self, serializer: SER) -> Result<SER::Ok, SER::Error>
    where
        SER: Serializer,
    {
        let mut seq = serializer.serialize_seq(Some(self.storage_len()))?;
        for element in self {
            seq.serialize_element(element)?;
        }
        seq.end()
    }
}

impl<T, S: HistoryBufStorage<T> + ?Sized> Serialize for HistoryBufInner<T, S>
where
    T: Serialize,
{
    fn serialize<SER>(&self, serializer: SER) -> Result<SER::Ok, SER::Error>
    where
        SER: Serializer,
    {
        let mut seq = serializer.serialize_seq(Some(self.len()))?;
        for element in self.oldest_ordered() {
            seq.serialize_element(element)?;
        }
        seq.end()
    }
}

// Dictionaries

impl<K, V, S, const N: usize> Serialize for IndexMap<K, V, S, N>
where
    K: Eq + Hash + Serialize,
    S: BuildHasher,
    V: Serialize,
{
    fn serialize<SER>(&self, serializer: SER) -> Result<SER::Ok, SER::Error>
    where
        SER: Serializer,
    {
        let mut map = serializer.serialize_map(Some(self.len()))?;
        for (k, v) in self {
            map.serialize_entry(k, v)?;
        }
        map.end()
    }
}

impl<K, V, S: LinearMapStorage<K, V> + ?Sized> Serialize for LinearMapInner<K, V, S>
where
    K: Eq + Serialize,
    V: Serialize,
{
    fn serialize<SER>(&self, serializer: SER) -> Result<SER::Ok, SER::Error>
    where
        SER: Serializer,
    {
        let mut map = serializer.serialize_map(Some(self.len()))?;
        for (k, v) in self {
            map.serialize_entry(k, v)?;
        }
        map.end()
    }
}

impl<K, V, S: SortedLinearMapStorage<K, V> + ?Sized> Serialize for SortedLinearMapInner<K, V, S>
where
    K: Ord + Serialize,
    V: Serialize,
{
    fn serialize<SER>(&self, serializer: SER) -> Result<SER::Ok, SER::Error>
    where
        SER: Serializer,
    {
        let mut map = serializer.serialize_map(Some(self.len()))?;
        for (k, v) in self {
            map.serialize_entry(k, v)?;
        }
        map.end()
    }
}

// String containers

impl<LenT: LenType, S: StringStorage + ?Sized> Serialize for StringInner<LenT, S> {
    fn serialize<SER>(&self, serializer: SER) -> Result<SER::Ok, SER::Error>
    where
        SER: Serializer,
    {
        serializer.serialize_str(self)
    }
}