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extern crate bytecount;
extern crate glob;
extern crate proc_macro;
extern crate proc_macro2;
extern crate pulldown_cmark;
#[macro_use]
extern crate quote;
#[macro_use]
extern crate syn;

mod config;
mod extract;
mod render;
mod tree;
mod util;

// not a public API.
#[doc(hidden)]
pub mod private {
    pub use config::Config;
    pub use render::RenderContext;

    use proc_macro2::TokenStream;
    use syn;

    pub fn parse_config<T>(input: T) -> syn::parse::Result<Config>
    where
        T: Into<TokenStream>,
    {
        syn::parse2(input.into())
    }
}

pub mod public {
    use std::io;

    use render::RenderContext;

    pub use config::{Config, Mode};

    /// Generates a code from the given configuration.
    ///
    /// This function is typically used from the inside of `build.rs`,
    /// in order to avoid constraints on macro calls.
    pub fn generate_doc_tests<W>(config: Config, writer: &mut W) -> io::Result<()>
    where
        W: io::Write,
    {
        RenderContext::init(config)?.write(writer)
    }
}