76 lines
2.2 KiB
Rust
76 lines
2.2 KiB
Rust
use super::*;
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use crate::attr::get_with_from_attrs;
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use serde_derive_internals::ast as serde_ast;
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use serde_derive_internals::Ctxt;
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pub trait FromSerde: Sized {
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type SerdeType;
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fn from_serde(errors: &Ctxt, serde: Self::SerdeType) -> Result<Self, ()>;
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fn vec_from_serde(errors: &Ctxt, serdes: Vec<Self::SerdeType>) -> Result<Vec<Self>, ()> {
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let mut result = Vec::with_capacity(serdes.len());
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for s in serdes {
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result.push(Self::from_serde(errors, s)?)
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}
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Ok(result)
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}
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}
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impl<'a> FromSerde for Container<'a> {
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type SerdeType = serde_ast::Container<'a>;
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fn from_serde(errors: &Ctxt, serde: Self::SerdeType) -> Result<Self, ()> {
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Ok(Self {
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ident: serde.ident,
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serde_attrs: serde.attrs,
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data: Data::from_serde(errors, serde.data)?,
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generics: serde.generics,
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original: serde.original,
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})
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}
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}
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impl<'a> FromSerde for Data<'a> {
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type SerdeType = serde_ast::Data<'a>;
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fn from_serde(errors: &Ctxt, serde: Self::SerdeType) -> Result<Self, ()> {
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Ok(match serde {
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serde_ast::Data::Enum(variants) => {
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Data::Enum(Variant::vec_from_serde(errors, variants)?)
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}
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serde_ast::Data::Struct(style, fields) => {
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Data::Struct(style, Field::vec_from_serde(errors, fields)?)
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}
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})
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}
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}
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impl<'a> FromSerde for Variant<'a> {
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type SerdeType = serde_ast::Variant<'a>;
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fn from_serde(errors: &Ctxt, serde: Self::SerdeType) -> Result<Self, ()> {
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Ok(Self {
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ident: serde.ident,
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serde_attrs: serde.attrs,
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style: serde.style,
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fields: Field::vec_from_serde(errors, serde.fields)?,
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original: serde.original,
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with: get_with_from_attrs(&serde.original.attrs, errors)?,
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})
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}
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}
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impl<'a> FromSerde for Field<'a> {
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type SerdeType = serde_ast::Field<'a>;
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fn from_serde(errors: &Ctxt, serde: Self::SerdeType) -> Result<Self, ()> {
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Ok(Self {
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member: serde.member,
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serde_attrs: serde.attrs,
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ty: serde.ty,
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original: serde.original,
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with: get_with_from_attrs(&serde.original.attrs, errors)?,
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})
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}
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}
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