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Ed25519VerificationKey2020 and Multikey.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| src/table.rs |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| [package] | ||
| name = "ssi-multicodec" | ||
| version = "0.1.0" | ||
| edition = "2021" | ||
| authors = ["Spruce Systems, Inc."] | ||
| license = "Apache-2.0" | ||
| description = "Implementation of the Multicodec specification for the ssi library" | ||
| repository = "https://github.com/spruceid/ssi/" | ||
| documentation = "https://docs.rs/ssi-multicodec/" | ||
|
|
||
| [dependencies] | ||
| unsigned-varint = "0.7.1" | ||
|
|
||
| [build-dependencies] | ||
| csv = "1.2.2" | ||
| thiserror.workspace = true |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| use std::{fs, io, io::Write, path::Path}; | ||
|
|
||
| fn main() { | ||
| println!("cargo:rerun-if-changed=src/table.csv"); | ||
| if let Err(e) = generate_codecs("src/table.csv", "src/table.rs") { | ||
| eprintln!("unable to generate codecs: {e}"); | ||
| std::process::exit(1); | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug, thiserror::Error)] | ||
| enum Error { | ||
| #[error(transparent)] | ||
| IO(#[from] io::Error), | ||
|
|
||
| #[error(transparent)] | ||
| Csv(#[from] csv::Error), | ||
|
|
||
| #[error("missing name field")] | ||
| MissingNameField, | ||
|
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| #[error("missing tag field")] | ||
| MissingTagField, | ||
|
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| #[error("missing code field")] | ||
| MissingCodeField, | ||
|
|
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| #[error("invalid code `{0}`")] | ||
| InvalidCode(String), | ||
|
|
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| #[error("missing status field")] | ||
| MissingStatusField, | ||
|
|
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| #[error("invalid status `{0}`")] | ||
| InvalidStatus(String), | ||
|
|
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| #[error("missing description field")] | ||
| MissingDescriptionField, | ||
| } | ||
|
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| fn generate_codecs(input: impl AsRef<Path>, output: impl AsRef<Path>) -> Result<(), Error> { | ||
| let mut reader = csv::Reader::from_path(input)?; | ||
| let mut f = io::BufWriter::new(fs::File::create(output)?); | ||
|
|
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| for record in reader.records() { | ||
| let record = record?; | ||
| let mut fields = record.iter(); | ||
|
|
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| let name = fields.next().ok_or(Error::MissingNameField)?.trim(); | ||
| let _tag = fields.next().ok_or(Error::MissingTagField)?.trim(); | ||
| let code = parse_code(fields.next().ok_or(Error::MissingCodeField)?.trim())?; | ||
| let status = parse_status(fields.next().ok_or(Error::MissingStatusField)?.trim())?; | ||
| let description = fields.next().ok_or(Error::MissingDescriptionField)?.trim(); | ||
|
|
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| let const_name = all_caps(name); | ||
|
|
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| writeln!(f, "#[doc = \"{description}\"]")?; | ||
|
|
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| if matches!(status, Status::Deprecated) { | ||
| writeln!(f, "#[deprecated]")? | ||
| } | ||
|
|
||
| writeln!(f, "pub const {const_name}: u64 = {code:#x}u64;")?; | ||
| } | ||
|
|
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| Ok(()) | ||
| } | ||
|
|
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| fn parse_code(s: &str) -> Result<u64, Error> { | ||
| u64::from_str_radix( | ||
| s.strip_prefix("0x") | ||
| .ok_or_else(|| Error::InvalidCode(s.to_owned()))?, | ||
| 16, | ||
| ) | ||
| .map_err(|_| Error::InvalidCode(s.to_owned())) | ||
| } | ||
|
|
||
| fn parse_status(s: &str) -> Result<Status, Error> { | ||
| match s { | ||
| "draft" => Ok(Status::Draft), | ||
| "permanent" => Ok(Status::Permanent), | ||
| "deprecated" => Ok(Status::Deprecated), | ||
| _ => Err(Error::InvalidStatus(s.to_owned())), | ||
| } | ||
| } | ||
|
|
||
| enum Status { | ||
| Draft, | ||
| Permanent, | ||
| Deprecated, | ||
| } | ||
|
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||
| fn all_caps(s: &str) -> String { | ||
| let mut result = String::new(); | ||
|
|
||
| for c in s.chars() { | ||
| if c == '-' { | ||
| result.push('_'); | ||
| } else { | ||
| result.push(c.to_uppercase().next().unwrap()); | ||
| } | ||
| } | ||
|
|
||
| result | ||
| } |
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