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api-macro: factor out inner parser of JSONObject

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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2019-11-27 10:48:00 +01:00
parent 044af76286
commit c21a44b16d
1 changed files with 15 additions and 11 deletions
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26
proxmox-api-macro/src/util.rs
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@ -219,22 +219,26 @@ pub struct JSONObject {
pub elements: HashMap<SimpleIdent, JSONValue>,
}
impl JSONObject {
fn parse_inner(input: ParseStream) -> syn::Result<HashMap<SimpleIdent, JSONValue>> {
let map_elems: Punctuated<JSONMapEntry, Token![,]> =
input.parse_terminated(JSONMapEntry::parse)?;
let mut elems = HashMap::with_capacity(map_elems.len());
for c in map_elems {
if elems.insert(c.key.clone().into(), c.value).is_some() {
bail!(&c.key => "duplicate '{}' in schema", c.key);
}
}
Ok(elems)
}
}
impl Parse for JSONObject {
fn parse(input: ParseStream) -> syn::Result<Self> {
let content;
Ok(Self {
brace_token: syn::braced!(content in input),
elements: {
let map_elems: Punctuated<JSONMapEntry, Token![,]> =
content.parse_terminated(JSONMapEntry::parse)?;
let mut elems = HashMap::with_capacity(map_elems.len());
for c in map_elems {
if elems.insert(c.key.clone().into(), c.value).is_some() {
bail!(&c.key => "duplicate '{}' in schema", c.key);
}
}
elems
},
elements: Self::parse_inner(&content)?,
})
}
}