wowlab_tidy/languages/toml/rules/
validity.rs

1use crate::{Example, TomlCtx, Violation, violation};
2
3#[rustfmt::skip]
4const EXAMPLES: &[Example] = &[
5    Example {
6        label: "valid TOML",
7        code: "name = \"example\"\n[table]\nvalue = 1\n",
8        pass: true,
9    },
10    Example {
11        label: "syntax error",
12        code: "name =\n",
13        pass: false,
14    },
15    Example {
16        label: "duplicate key",
17        code: "name = \"first\"\nname = \"second\"\n",
18        pass: false,
19    },
20];
21
22crate::toml_rule!(
23    toml_validity,
24    "Reject TOML syntax errors and semantic conflicts such as duplicate keys.",
25    "Taplo validation catches malformed documents before language-specific consumers produce inconsistent diagnostics.",
26    High,
27);
28
29fn check_toml_validity(ctx: &TomlCtx<'_>) -> Vec<Violation> {
30    let mut violations: Vec<Violation> = ctx
31        .parse
32        .errors
33        .iter()
34        .map(|error| {
35            violation(
36                ctx.file.rel,
37                ctx.line_of_offset(usize::from(error.range.start())),
38                format!("TOML syntax error: {}", error.message),
39            )
40        })
41        .collect();
42
43    if ctx.parse.errors.is_empty() {
44        if let Err(errors) = ctx.dom.validate() {
45            violations.extend(
46                errors.map(|error| {
47                    violation(ctx.file.rel, 1, format!("TOML semantic error: {error}"))
48                }),
49            );
50        }
51    }
52
53    violations
54}
55
56crate::tidy_toml_test!(check_toml_validity, {
57    crate::example_tests!(EXAMPLES, check_toml_validity);
58});
wowlab_tidy/languages/toml/rules/validity.rs

wowlab_tidy/languages/toml/rules/
validity.rs
