93 lines
2.6 KiB
Rust
93 lines
2.6 KiB
Rust
use std::io;
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use std::str::FromStr;
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use clap::ArgGroup;
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use clap::CommandFactory;
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use clap::Parser;
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use clap::Subcommand;
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use clap::arg;
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use clap_complete::{generate, Shell};
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use preserves::hex::HexParser;
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use preserves::value::BytesBinarySource;
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use preserves::value::NestedValue;
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use preserves::value::NoEmbeddedDomainCodec;
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use preserves::value::Reader;
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use preserves::value::TextReader;
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use preserves::value::ViaCodec;
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use preserves::value::TextWriter;
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use syndicate::language;
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use syndicate::preserves_schema::Codec;
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use syndicate::preserves_schema::ParseError;
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use syndicate::sturdy::_Any;
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#[derive(Clone, Debug)]
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struct Preserves<N: NestedValue>(N);
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#[derive(Subcommand, Debug)]
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enum Action {
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#[command(group(ArgGroup::new("key").required(true)))]
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/// Generate a fresh SturdyRef from an OID value and a key
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Mint {
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#[arg(long, value_name="VALUE")]
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/// Preserves value to use as SturdyRef OID
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oid: Preserves<_Any>,
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#[arg(long, group="key")]
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/// Key phrase
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phrase: Option<String>,
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#[arg(long, group="key")]
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/// Key bytes, encoded as hex
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hex: Option<String>,
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},
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/// Emit shell completion code
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Completions {
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/// Shell dialect to generate
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shell: Shell,
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}
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}
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#[derive(Parser, Debug)]
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#[command(version)]
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struct Cli {
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#[command(subcommand)]
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action: Action,
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}
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impl<N: NestedValue> FromStr for Preserves<N> {
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type Err = ParseError;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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Ok(Preserves(TextReader::new(&mut BytesBinarySource::new(s.as_bytes()),
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ViaCodec::new(NoEmbeddedDomainCodec)).demand_next(false)?))
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}
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}
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fn main() -> io::Result<()> {
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let args = <Cli as Parser>::parse();
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match args.action {
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Action::Completions { shell } => {
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let mut cmd = <Cli as CommandFactory>::command();
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let name = cmd.get_name().to_string();
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generate(shell, &mut cmd, name, &mut io::stdout());
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}
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Action::Mint { oid, phrase, hex } => {
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let key =
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if let Some(hex) = hex {
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HexParser::Liberal.decode(&hex).expect("hex encoded sturdyref")
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} else if let Some(phrase) = phrase {
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phrase.as_bytes().to_owned()
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} else {
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unreachable!()
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};
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let m = syndicate::sturdy::SturdyRef::mint(oid.0, &key);
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println!("{}", TextWriter::encode(&mut NoEmbeddedDomainCodec,
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&language().unparse(&m))?);
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}
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}
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Ok(())
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}
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