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A nom-based ABNF parser.

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ABNF

A parser for ABNF based on nom 7.

Example

The ABNF input ...

a = b / c
c = *(d e)

... is parsed with ...

use abnf::rulelist;

// Note: mind the trailing newline!
match rulelist("a = b / c\nc = *(d e)\n") {
    Ok(rules) => println!("{:#?}", rules),
    Err(error) => eprintln!("{}", error),
}

... into ...

[
    Rule {
        name: "a",
        node: Alternatives(
            [
                Rulename(
                    "b",
                ),
                Rulename(
                    "c",
                ),
            ],
        ),
        kind: Basic,
    },
    Rule {
        name: "c",
        node: Repetition {
            repeat: Variable {
                min: None,
                max: None,
            },
            node: Group(
                Concatenation(
                    [
                        Rulename(
                            "d",
                        ),
                        Rulename(
                            "e",
                        ),
                    ],
                ),
            ),
        },
        kind: Basic,
    },
]

You can use the provided example to parse and Debug-print any ABNF file:

cargo run --example=example examples/assets/abnf.abnf

License

Licensed under either of

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

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A nom-based ABNF parser.

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