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xso-proc: introduce trait for StructDef

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Can you see it coming?
This commit is contained in:
Jonas Schäfer 2024-06-30 08:42:20 +02:00
commit 3a56b2bb10
3 changed files with 69 additions and 33 deletions
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38
xso-proc/src/structs.rs
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@ -6,40 +6,14 @@
//! Handling of structs
use proc_macro2::{Span, TokenStream};
use proc_macro2::Span;
use quote::quote;
use syn::*;
use crate::common::{AsXmlParts, FromXmlParts, ItemDef};
use crate::compound::Compound;
use crate::meta::{NameRef, NamespaceRef, XmlCompoundMeta};
/// Parts necessary to construct a `::xso::FromXml` implementation.
pub(crate) struct FromXmlParts {
/// Additional items necessary for the implementation.
pub(crate) defs: TokenStream,
/// The body of the `::xso::FromXml::from_xml` function.
pub(crate) from_events_body: TokenStream,
/// The name of the type which is the `::xso::FromXml::Builder`.
pub(crate) builder_ty_ident: Ident,
}
/// Parts necessary to construct a `::xso::AsXml` implementation.
pub(crate) struct AsXmlParts {
/// Additional items necessary for the implementation.
pub(crate) defs: TokenStream,
/// The body of the `::xso::AsXml::as_xml_iter` function.
pub(crate) as_xml_iter_body: TokenStream,
/// The type which is the `::xso::AsXml::ItemIter`.
pub(crate) item_iter_ty: Type,
/// The lifetime name used in `item_iter_ty`.
pub(crate) item_iter_ty_lifetime: Lifetime,
}
/// Definition of a struct and how to parse it.
pub(crate) struct StructDef {
/// The XML namespace of the element to map the struct to.
@ -95,8 +69,10 @@ impl StructDef {
debug: meta.debug.is_set(),
})
}
}
pub(crate) fn make_from_events_builder(
impl ItemDef for StructDef {
fn make_from_events_builder(
&self,
vis: &Visibility,
name_ident: &Ident,
@ -149,7 +125,7 @@ impl StructDef {
})
}
pub(crate) fn make_as_xml_iter(&self, vis: &Visibility) -> Result<AsXmlParts> {
fn make_as_xml_iter(&self, vis: &Visibility) -> Result<AsXmlParts> {
let xml_namespace = &self.namespace;
let xml_name = &self.name;
@ -223,7 +199,7 @@ impl StructDef {
})
}
pub(crate) fn debug(&self) -> bool {
fn debug(&self) -> bool {
self.debug
}
}