85 lines
2.5 KiB
Rust
85 lines
2.5 KiB
Rust
use nom::{
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bytes::complete::{tag, take_till, take_while1},
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combinator::{map, opt},
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sequence::tuple,
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IResult,
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};
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use super::{
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combinator::{
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l_bracket_token, l_curly_token, node, r_bracket_token, r_curly_token, GreenElement,
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},
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input::Input,
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SyntaxKind,
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};
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#[tracing::instrument(level = "debug", skip(input), fields(input = input.s))]
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pub fn inline_src_node(input: Input) -> IResult<Input, GreenElement, ()> {
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let mut parser = map(
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tuple((
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tag("src_"),
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take_while1(|c: char| !c.is_ascii_whitespace() && c != '[' && c != '{'),
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opt(tuple((
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l_bracket_token,
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take_till(|c| c == '\n' || c == ']'),
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r_bracket_token,
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))),
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l_curly_token,
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take_till(|c| c == '\n' || c == '}'),
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r_curly_token,
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)),
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|(src, lang, options, l_curly, body, r_curly)| {
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let mut children = vec![src.text_token(), lang.text_token()];
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if let Some((l_bracket, options, r_bracket)) = options {
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children.push(l_bracket);
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children.push(options.text_token());
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children.push(r_bracket);
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}
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children.push(l_curly);
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children.push(body.text_token());
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children.push(r_curly);
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node(SyntaxKind::INLINE_SRC, children)
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},
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);
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crate::lossless_parser!(parser, input)
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}
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#[test]
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fn parse() {
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use crate::{ast::InlineSrc, tests::to_ast, ParseConfig};
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let to_inline_src = to_ast::<InlineSrc>(inline_src_node);
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insta::assert_debug_snapshot!(
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to_inline_src("src_C{int a = 0;}").syntax,
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@r###"
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INLINE_SRC@0..17
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TEXT@0..4 "src_"
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TEXT@4..5 "C"
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L_CURLY@5..6 "{"
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TEXT@6..16 "int a = 0;"
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R_CURLY@16..17 "}"
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"###
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);
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insta::assert_debug_snapshot!(
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to_inline_src("src_xml[:exports code]{<tag>text</tag>}").syntax,
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@r###"
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INLINE_SRC@0..39
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TEXT@0..4 "src_"
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TEXT@4..7 "xml"
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L_BRACKET@7..8 "["
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TEXT@8..21 ":exports code"
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R_BRACKET@21..22 "]"
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L_CURLY@22..23 "{"
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TEXT@23..38 "<tag>text</tag>"
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R_CURLY@38..39 "}"
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"###
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);
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let config = &ParseConfig::default();
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assert!(inline_src_node(("src_xml[:exports code]{<tag>text</tag>", config).into()).is_err());
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assert!(inline_src_node(("src_[:exports code]{<tag>text</tag>}", config).into()).is_err());
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assert!(inline_src_node(("src_xml[:exports code]", config).into()).is_err());
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}
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