notedown_ast 0.5.2

mod from;

use std::fmt::{Display, Formatter};
use std::fmt;
use crate::{Value};
use std::collections::HashMap;
// use crate::lazy_format;
use joinery::JoinableIterator;

#[derive(Debug, Clone)]
pub struct Command<'a> {
    pub(crate) cmd: &'static str,
    pub(crate) args: Vec<Value<'a>>,
    pub(crate) kvs: HashMap<&'static str, Value<'a>>,
    pub(crate) kind: CommandKind,
}

#[derive(Copy, Clone, Debug)]
pub enum CommandKind {
    ///
    /// ```md
    /// \cmd: args
    /// ```
    Inline,
    /// ```md
    /// \cmd(
    ///     arg = 1
    /// )
    /// ```
    Normal,

    /// `[]`
    SmartLink,
    /// ````md
    /// ```cmd(arg=1)
    /// body text
    /// ```
    /// ````
    CodeBlock,
    /// ```md
    /// <cmd arg=1>body text</cmd>
    /// ```
    OpenClose,
    /// ```md
    /// `<cmd arg=1/>`
    /// ```
    SelfClose,
}

impl<'a> Display for Command<'a> {
    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
        let a = self.args.iter().map(|v| format!("{}", v));
        let kv = self.kvs.iter().map(|(k, v)| format!("{} = {}", k, v));

        write!(f, "\\{}({})", self.cmd, a.chain(kv).join_with(", "))
    }
}