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xml: tag_name serialization in untagged fields

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Lennart
2024-12-28 12:39:27 +01:00
parent a3a633f74f
commit 759bb1f1be
3 changed files with 65 additions and 4 deletions
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17
crates/xml/derive/src/xml_struct.rs
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@@ -185,6 +185,7 @@ impl NamedStruct {
.fields
.iter()
.filter(|field| field.attrs.xml_ty == FieldType::Untagged)
.filter(|field| !field.attrs.flatten.is_present())
.map(|field| {
let field_ident = field.field_ident();
quote! {
@@ -209,6 +210,17 @@ impl NamedStruct {
}
});
let tag_name_field = self
.fields
.iter()
.find(|field| field.attrs.xml_ty == FieldType::TagName)
.map(|field| {
let field_ident = field.field_ident();
quote! {
let tag_str = Some(tag_str.unwrap_or(self.#field_ident.to_string()));
}
});
quote! {
impl #impl_generics ::rustical_xml::XmlSerialize for #ident #type_generics #where_clause {
fn serialize<W: ::std::io::Write>(
@@ -219,14 +231,15 @@ impl NamedStruct {
) -> ::std::io::Result<()> {
use ::quick_xml::events::{BytesEnd, BytesStart, BytesText, Event};
let tag_str = tag.map(String::from_utf8_lossy);
let tag_str = tag.map(|a| String::from_utf8_lossy(a).to_string());
#tag_name_field;
if let Some(tag) = &tag_str {
let mut bytes_start = BytesStart::new(tag.to_owned());
if let Some(attrs) = self.attributes() {
bytes_start.extend_attributes(attrs);
}
// #(#untagged_attributes);*
#(#untagged_attributes);*
writer.write_event(Event::Start(bytes_start))?;
}
#(#tag_writers);*