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Add NAR parser

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This commit is contained in:
Eelco Dolstra 2019-09-18 00:31:51 +02:00
parent 6317f0f7a0
commit 7f08975050
6 changed files with 160 additions and 3 deletions
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18
nix-rust/src/error.rs
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@ -8,6 +8,15 @@ pub enum Error {
BadBase32,
StorePathNameTooLong,
BadStorePathName,
NarSizeFieldTooBig,
BadNarString,
BadNarPadding,
BadNarVersionMagic,
MissingNarOpenTag,
MissingNarCloseTag,
MissingNarField,
BadNarField(String),
BadExecutableField,
IOError(std::io::Error),
HttpError(reqwest::Error),
Misc(String),
@ -37,6 +46,15 @@ impl fmt::Display for Error {
write!(f, "store path name is longer than 211 characters")
}
Error::BadStorePathName => write!(f, "store path name contains forbidden character"),
Error::NarSizeFieldTooBig => write!(f, "size field in NAR is too big"),
Error::BadNarString => write!(f, "NAR string is not valid UTF-8"),
Error::BadNarPadding => write!(f, "NAR padding is not zero"),
Error::BadNarVersionMagic => write!(f, "unsupported NAR version"),
Error::MissingNarOpenTag => write!(f, "NAR open tag is missing"),
Error::MissingNarCloseTag => write!(f, "NAR close tag is missing"),
Error::MissingNarField => write!(f, "expected NAR field is missing"),
Error::BadNarField(s) => write!(f, "unrecognized NAR field '{}'", s),
Error::BadExecutableField => write!(f, "bad 'executable' field in NAR"),
Error::IOError(err) => write!(f, "I/O error: {}", err),
Error::HttpError(err) => write!(f, "HTTP error: {}", err),
Error::Foreign(_) => write!(f, "<C++ exception>"), // FIXME