ratex_parser/functions/
cr.rs

1use std::collections::HashMap;
2
3use crate::error::ParseResult;
4use crate::functions::{define_function_full, FunctionContext, FunctionSpec};
5use crate::parse_node::ParseNode;
6
7pub fn register(map: &mut HashMap<&'static str, FunctionSpec>) {
8    define_function_full(
9        map,
10        &["\\\\", "\\newline"],
11        "cr",
12        0, 0,
13        None,
14        false, false, true, false, false,
15        handle_cr,
16    );
17}
18
19fn handle_cr(
20    ctx: &mut FunctionContext,
21    _args: Vec<ParseNode>,
22    _opt_args: Vec<Option<ParseNode>>,
23) -> ParseResult<ParseNode> {
24    // Only parse optional [size] if next token is directly "[" (no space)
25    let size = if ctx.parser.gullet.future().text == "[" {
26        ctx.parser.parse_size_group(true)?
27    } else {
28        None
29    };
30
31    let size = size.and_then(|node| {
32        if let ParseNode::Size { value, .. } = node {
33            Some(value)
34        } else {
35            None
36        }
37    });
38
39    let new_line = true;
40
41    Ok(ParseNode::Cr {
42        mode: ctx.parser.mode,
43        new_line,
44        size,
45        loc: None,
46    })
47}
ratex_parser/functions/cr.rs

ratex_parser/functions/
cr.rs
