stellar-xdr 27.0.0

#[allow(unused_imports, clippy::wildcard_imports)]
use super::*;

/// Memo is an XDR Union defined as:
///
/// ```text
/// union Memo switch (MemoType type)
/// {
/// case MEMO_NONE:
///     void;
/// case MEMO_TEXT:
///     string text<28>;
/// case MEMO_ID:
///     uint64 id;
/// case MEMO_HASH:
///     Hash hash; // the hash of what to pull from the content server
/// case MEMO_RETURN:
///     Hash retHash; // the hash of the tx you are rejecting
/// };
/// ```
///
// union with discriminant MemoType
#[cfg_attr(feature = "serde", cfg_eval::cfg_eval)]
#[derive(Clone, Debug, Hash, PartialEq, Eq, PartialOrd, Ord)]
#[cfg_attr(feature = "arbitrary", derive(Arbitrary))]
#[cfg_attr(
    all(feature = "serde", feature = "alloc"),
    serde_with::serde_as,
    derive(serde::Serialize, serde::Deserialize),
    serde(rename_all = "snake_case")
)]
#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
#[allow(clippy::large_enum_variant)]
pub enum Memo {
    None,
    Text(StringM<28>),
    Id(
        #[cfg_attr(
            all(feature = "serde", feature = "alloc"),
            serde_as(as = "NumberOrString")
        )]
        u64,
    ),
    Hash(Hash),
    Return(Hash),
}

#[cfg(feature = "alloc")]
impl Default for Memo {
    fn default() -> Self {
        Self::None
    }
}

impl Memo {
    const _VARIANTS: &[MemoType] = &[
        MemoType::None,
        MemoType::Text,
        MemoType::Id,
        MemoType::Hash,
        MemoType::Return,
    ];
    pub const VARIANTS: [MemoType; Self::_VARIANTS.len()] = {
        let mut arr = [Self::_VARIANTS[0]; Self::_VARIANTS.len()];
        let mut i = 1;
        while i < Self::_VARIANTS.len() {
            arr[i] = Self::_VARIANTS[i];
            i += 1;
        }
        arr
    };
    const _VARIANTS_STR: &[&str] = &["None", "Text", "Id", "Hash", "Return"];
    pub const VARIANTS_STR: [&'static str; Self::_VARIANTS_STR.len()] = {
        let mut arr = [Self::_VARIANTS_STR[0]; Self::_VARIANTS_STR.len()];
        let mut i = 1;
        while i < Self::_VARIANTS_STR.len() {
            arr[i] = Self::_VARIANTS_STR[i];
            i += 1;
        }
        arr
    };

    #[must_use]
    pub const fn name(&self) -> &'static str {
        match self {
            Self::None => "None",
            Self::Text(_) => "Text",
            Self::Id(_) => "Id",
            Self::Hash(_) => "Hash",
            Self::Return(_) => "Return",
        }
    }

    #[must_use]
    pub const fn discriminant(&self) -> MemoType {
        #[allow(clippy::match_same_arms)]
        match self {
            Self::None => MemoType::None,
            Self::Text(_) => MemoType::Text,
            Self::Id(_) => MemoType::Id,
            Self::Hash(_) => MemoType::Hash,
            Self::Return(_) => MemoType::Return,
        }
    }

    #[must_use]
    pub const fn variants() -> [MemoType; Self::_VARIANTS.len()] {
        Self::VARIANTS
    }
}

impl Name for Memo {
    #[must_use]
    fn name(&self) -> &'static str {
        Self::name(self)
    }
}

impl Discriminant<MemoType> for Memo {
    #[must_use]
    fn discriminant(&self) -> MemoType {
        Self::discriminant(self)
    }
}

impl Variants<MemoType> for Memo {
    fn variants() -> slice::Iter<'static, MemoType> {
        Self::VARIANTS.iter()
    }
}

impl Union<MemoType> for Memo {}

impl ReadXdr for Memo {
    #[cfg(feature = "std")]
    fn read_xdr<R: Read>(r: &mut Limited<R>) -> Result<Self, Error> {
        r.with_limited_depth(|r| {
            let dv: MemoType = <MemoType as ReadXdr>::read_xdr(r)?;
            #[allow(clippy::match_same_arms, clippy::match_wildcard_for_single_variants)]
            let v = match dv {
                MemoType::None => Self::None,
                MemoType::Text => Self::Text(StringM::<28>::read_xdr(r)?),
                MemoType::Id => Self::Id(u64::read_xdr(r)?),
                MemoType::Hash => Self::Hash(Hash::read_xdr(r)?),
                MemoType::Return => Self::Return(Hash::read_xdr(r)?),
                #[allow(unreachable_patterns)]
                _ => return Err(Error::Invalid),
            };
            Ok(v)
        })
    }
}

impl WriteXdr for Memo {
    #[cfg(feature = "std")]
    fn write_xdr<W: Write>(&self, w: &mut Limited<W>) -> Result<(), Error> {
        w.with_limited_depth(|w| {
            self.discriminant().write_xdr(w)?;
            #[allow(clippy::match_same_arms)]
            match self {
                Self::None => ().write_xdr(w)?,
                Self::Text(v) => v.write_xdr(w)?,
                Self::Id(v) => v.write_xdr(w)?,
                Self::Hash(v) => v.write_xdr(w)?,
                Self::Return(v) => v.write_xdr(w)?,
            };
            Ok(())
        })
    }
}