bsget 0.1.0

Get random bull shit from someone elses computer
Documentation 
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use proc_macro::TokenStream;
use proc_macro2::TokenStream as TokenStream2;
use syn::{parse::{Parse, ParseStream}, Ident, Result, LitStr, token::As};
use quote::quote;
use std::str::FromStr;

// "URL" as ident

struct Bsget {
    url: LitStr,
    ident: Option<Ident>,
}

impl Parse for Bsget {
    fn parse(input: ParseStream) -> Result<Self> {
        let url = input.parse()?;
        let ident = match input.parse::<As>() {
            Ok(_) => Some(input.parse()?),
            Err(_) => None,
        };
        Ok(Self {
            url,
            ident,
        })
    }
}

fn fetch(url: &str) -> String {
    ureq::get(url)
        .call()
        .and_then(|mut r| r.body_mut().read_to_string())
        .expect("failed to perform HTTP get")
}

#[proc_macro]
pub fn bsget(item: TokenStream) -> TokenStream {
    let bsget = syn::parse_macro_input!(item as Bsget);

    let url = bsget.url.value();
    let data = fetch(&url);
    let code = TokenStream2::from_str(&data).expect("failed to parse code");

    match bsget.ident {
        Some(ident) => {
            quote! {
                mod #ident {
                    #code
                }
            }
        },
        None => {
            quote! {
                #code
            }
        }
    }.into()

}