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ratex_parser/functions/
raisebox.rs

1use std::collections::HashMap;
2
3use crate::error::{ParseError, ParseResult};
4use crate::functions::{define_function_full, ArgType, FunctionContext, FunctionSpec};
5use crate::parse_node::ParseNode;
6
7pub fn register(map: &mut HashMap<&'static str, FunctionSpec>) {
8    define_function_full(
9        map,
10        &["\\raisebox"],
11        "raisebox",
12        2, 0,
13        Some(vec![ArgType::Size, ArgType::HBox]),
14        false,
15        true, true,
16        false, false,
17        handle_raisebox,
18    );
19}
20
21fn handle_raisebox(
22    ctx: &mut FunctionContext,
23    args: Vec<ParseNode>,
24    _opt_args: Vec<Option<ParseNode>>,
25) -> ParseResult<ParseNode> {
26    let mut args = args.into_iter();
27    let dy = match args.next() {
28        Some(ParseNode::Size { value, .. }) => value,
29        _ => return Err(ParseError::msg("Expected size for \\raisebox")),
30    };
31    let body = args.next().unwrap();
32
33    Ok(ParseNode::RaiseBox {
34        mode: ctx.parser.mode,
35        dy,
36        body: Box::new(body),
37        loc: None,
38    })
39}