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extern crate proc_macro;
use crate::parser::HtmlParser;
use crate::tag::Tag;
use syn::parse::{Parse, ParseStream, Result};
use syn::parse_macro_input;
mod parser;
mod tag;
#[proc_macro]
pub fn html(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
let parsed = parse_macro_input!(input as Html);
let mut html_parser = HtmlParser::new();
for tag in parsed.tags.into_iter() {
html_parser.push_tag(tag);
}
html_parser.finish().into()
}
#[derive(Debug)]
struct Html {
tags: Vec<Tag>,
}
impl Parse for Html {
fn parse(input: ParseStream) -> Result<Self> {
let mut tags = Vec::new();
while !input.is_empty() {
let tag: Tag = input.parse()?;
tags.push(tag);
}
Ok(Html { tags })
}
}