Modified macros to be able to generate with multiple children (added divisions)

This commit is contained in:
2026-03-02 23:32:48 +01:00
parent 7b6eba8ca5
commit fe59a1e444

View File

@@ -54,25 +54,54 @@ impl Parse for Argument {
} }
struct BaseElement { struct BaseElement {
value: Expr, values: Vec<Expr>,
params: Punctuated<Property, Token![,]>, params: Vec<Property>,
} }
impl Parse for BaseElement { impl Parse for BaseElement {
fn parse(input: ParseStream) -> Result<Self> { fn parse(input: ParseStream) -> Result<Self> {
let value: Expr = input.parse()?; let mut values = Vec::new();
let _ = input.parse::<Token![,]>(); let mut params = Vec::new();
let params: Punctuated<Property, Token![,]> = Punctuated::parse_terminated(input)?; while !input.is_empty() {
Ok(BaseElement { value, params }) if input.peek(Ident) && input.peek2(Token![=]) {
let property: Property = input.parse()?;
params.push(property);
} else {
let value: Expr = input.parse()?;
values.push(value);
}
if input.peek(Token![,]) {
input.parse::<Token![,]>()?;
}
}
Ok(BaseElement { values, params })
} }
} }
fn heading(level: &str, item: TokenStream) -> TokenStream { #[proc_macro]
let BaseElement { value, params } = parse_macro_input!(item as BaseElement); pub fn paragraph(input: TokenStream) -> TokenStream {
base("p", input)
}
#[proc_macro]
pub fn division(input: TokenStream) -> TokenStream {
base("div", input)
}
fn base(elem: &str, item: TokenStream) -> TokenStream {
let BaseElement { values, params } = parse_macro_input!(item as BaseElement);
let values = values.iter();
let formated_values = if values.len() > 1 {
let mut s = "\n".to_string();
s.push_str("{}\n".repeat(values.len()).as_str());
s
} else {
"{}".to_string()
};
let expanded = match params.is_empty() { let expanded = match params.is_empty() {
false => { false => {
let mut values = Vec::new(); let mut options_values = Vec::new();
let formated_names = params let formated_names = params
.iter() .iter()
@@ -80,18 +109,23 @@ fn heading(level: &str, item: TokenStream) -> TokenStream {
.collect::<Vec<String>>() .collect::<Vec<String>>()
.join(" "); .join(" ");
let format_string = format!("<h{} {formated_names}>{{}}</h{}>", level, level); let format_string =
format!("<{} {formated_names}>{}</{}>", elem, formated_values, elem);
for property in params { for property in params {
values.push(property.value); options_values.push(property.value);
} }
quote!(format!(#format_string, #(#values), *, #value)) quote!(format!(#format_string, #(#options_values), *, #(#values), *))
} }
true => { true => {
let format_string = format!("<h{}>{{}}</h{}>", level, level); let format_string = format!("<{}>{}</{}>", elem, formated_values, elem);
quote!(format!(#format_string, #value)) quote!(format!(#format_string, #(#values), *))
} }
}; };
TokenStream::from(expanded) TokenStream::from(expanded)
} }
fn heading(level: &str, item: TokenStream) -> TokenStream {
base(format!("h{level}").as_str(), item)
}