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api-macro: add 'flatten' to SerdeAttrib

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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2020-12-18 12:25:54 +01:00 committed by Dietmar Maurer
parent 0cdd47c8fc
commit fbc9be471b
1 changed files with 9 additions and 2 deletions
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11
proxmox-api-macro/src/serde.rs
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@ -159,12 +159,15 @@ impl TryFrom<&[syn::Attribute]> for ContainerAttrib {
#[derive(Default)]
pub struct SerdeAttrib {
pub rename: Option<FieldName>,
pub flatten: bool,
}
impl TryFrom<&[syn::Attribute]> for SerdeAttrib {
type Error = syn::Error;
fn try_from(attributes: &[syn::Attribute]) -> Result<Self, syn::Error> {
use syn::{Meta, NestedMeta};
let mut this: Self = Default::default();
for attrib in attributes {
@ -174,8 +177,8 @@ impl TryFrom<&[syn::Attribute]> for SerdeAttrib {
let args: AttrArgs = syn::parse2(attrib.tokens.clone())?;
for arg in args.args {
if let syn::NestedMeta::Meta(syn::Meta::NameValue(var)) = arg {
if var.path.is_ident("rename") {
match arg {
NestedMeta::Meta(Meta::NameValue(var)) if var.path.is_ident("rename") => {
match var.lit {
syn::Lit::Str(lit) => {
let rename = FieldName::from(&lit);
@ -187,6 +190,10 @@ impl TryFrom<&[syn::Attribute]> for SerdeAttrib {
_ => error!(var.lit => "'rename' value must be a string literal"),
}
}
NestedMeta::Meta(Meta::Path(path)) if path.is_ident("flatten") => {
this.flatten = true;
}
_ => continue,
}
}
}