organic/trash/old_document.rs
2023-03-25 14:10:22 -04:00

30 lines
1005 B
Rust

//! A single element of text.
use super::combinator::context_many1;
use super::error::Res;
use super::paragraph::paragraph;
use super::parser_context::ContextElement;
use super::parser_context::ContextTree;
use super::token::Paragraph;
use super::token::Token;
use super::Context;
use nom::IResult;
type UnboundMatcher<'r, 's, I, O, E> = dyn Fn(Context<'r, 's>, I) -> IResult<I, O, E>;
// TODO: Implement FromStr for Document
pub fn document(input: &str) -> Res<&str, Vec<Paragraph>> {
let initial_context: ContextTree<'_, '_> = ContextTree::new();
let document_context =
initial_context.with_additional_node(ContextElement::DocumentRoot(input));
let (remaining, tokens) = context_many1(&document_context, paragraph)(input)?;
let paragraphs = tokens
.into_iter()
.map(|token| match token {
Token::TextElement(_) => unreachable!(),
Token::Paragraph(paragraph) => paragraph,
})
.collect();
Ok((remaining, paragraphs))
}