cosy 0.1.1

A parser for Cosense/Scrapbox markup syntax that produces a typed AST
Documentation 
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use super::node::parse_nodes;
use crate::CosyParserExtension;
use crate::ast::{Block, BlockContent};
use winnow::Result as PResult;
use winnow::ascii::{line_ending, till_line_ending};
use winnow::combinator::opt;
use winnow::prelude::*;
use winnow::token::any;

pub fn parse_quote<'s, E>(
    input: &mut &'s str,
    extension: &'s E,
    indent: usize,
) -> PResult<Block<E::Output>>
where
    E: CosyParserExtension,
{
    // Consume '>'
    let _ = any.parse_next(input)?;

    // Determine content (rest of line)
    let line_content = till_line_ending.parse_next(input)?;
    let _ = opt(line_ending).parse_next(input)?;

    // Parse nodes in the content (trim start space usually after >?)
    let mut span = line_content;
    // Optional: trim leading space if exists? `> text` vs `>text`
    if span.starts_with(' ') {
        span = &span[1..];
    }

    let nodes = parse_nodes(&mut span, extension)?;

    Ok(Block {
        indent,
        content: BlockContent::Quote(nodes),
    })
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::ast::*;

    #[test]
    fn parse_quote_block() {
        let input = "> This is a quote line.\n";
        let mut input_stream = input;
        let result = parse_quote(&mut input_stream, &(), 0);
        assert!(result.is_ok());
        let block = result.unwrap();
        assert_eq!(block.indent, 0);
        assert_eq!(
            block.content,
            BlockContent::Quote(vec![Node::Text("This is a quote line.".to_string())])
        );
    }

    #[test]
    fn parse_quote_no_space() {
        // `>text` (no space after `>`) should parse as Quote with text content
        let input = ">text without leading space\n";
        let mut input_stream = input;
        let result = parse_quote(&mut input_stream, &(), 0);
        assert!(result.is_ok());
        let block = result.unwrap();
        assert_eq!(
            block.content,
            BlockContent::Quote(vec![Node::Text("text without leading space".to_string())])
        );
    }

    #[test]
    fn parse_formatted_quote() {
        let input = "> [* Bold Quote] and [Linked part]\n";
        let mut input_stream = input;
        let result = parse_quote(&mut input_stream, &(), 0);
        assert!(result.is_ok());
        let block = result.unwrap();
        assert_eq!(block.indent, 0);
        assert_eq!(
            block.content,
            BlockContent::Quote(vec![
                Node::Decoration {
                    decos: "*".to_string(),
                    nodes: vec![Node::Text("Bold Quote".to_string())]
                },
                Node::Text(" and ".to_string()),
                Node::Link(Link::Page("Linked part".to_string())),
            ])
        );
    }
}