Lossless parser for deb822 style files

This crate contains lossless parsers and editors for RFC822 style file as used in Debian.

Three related crates that build on this one are:

• debian-control
• debian-copyright
• dep3

Example

use deb822_lossless::Deb822;
use std::str::FromStr;

let input = r#"Package: deb822-lossless
Maintainer: Jelmer Vernooij <jelmer@debian.org>
Section: rust

Package: deb822-lossless
Architecture: any
Description: Lossless parser for deb822 style files.
  This parser can be used to parse files in the deb822 format, while preserving
  all whitespace and comments. It is based on the [rowan] library, which is a
  lossless parser library for Rust.

"#;

let deb822 = Deb822::from_str(input).unwrap();
assert_eq!(deb822.paragraphs().count(), 2);

lib.rs:

Lossless parser for deb822 style files.

This parser can be used to parse files in the deb822 format, while preserving all whitespace and comments. It is based on the [rowan] library, which is a lossless parser library for Rust.

Once parsed, the file can be traversed or modified, and then written back to a file.

Example

use deb822_lossless::Deb822;
use std::str::FromStr;

let input = r#"Package: deb822-lossless
Maintainer: Jelmer Vernooij <jelmer@debian.org>
Homepage: https://github.com/jelmer/deb822-lossless
Section: rust

Package: deb822-lossless
Architecture: any
Description: Lossless parser for deb822 style files.
  This parser can be used to parse files in the deb822 format, while preserving
  all whitespace and comments. It is based on the [rowan] library, which is a
  lossless parser library for Rust.
"#;

let deb822 = Deb822::from_str(input).unwrap();
assert_eq!(deb822.paragraphs().count(), 2);
let homepage = deb822.paragraphs().nth(0).unwrap().get("Homepage");
assert_eq!(homepage.as_deref(), Some("https://github.com/jelmer/deb822-lossless"));