bc-envelope-cli 0.35.0

Gordian Envelope Command Line Tool.
Documentation 
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use anyhow::Result;
use bc_envelope::prelude::*;
use clap::Args;

use crate::{
    DataType, EnvelopeArgs, EnvelopeArgsLike, PredObjArgs, PredObjArgsLike,
};

/// Remove an assertion with the given predicate and object from the given
/// envelope.
#[derive(Debug, Args)]
#[group(skip)]
pub struct CommandArgs {
    #[command(flatten)]
    assertion_args: PredObjArgs,

    #[command(flatten)]
    envelope_args: EnvelopeArgs,
}

impl EnvelopeArgsLike for CommandArgs {
    fn envelope(&self) -> Option<&str> { self.envelope_args.envelope() }
}

impl PredObjArgsLike for CommandArgs {
    fn pred_type(&self) -> DataType { self.assertion_args.pred_type() }
    fn pred_value(&self) -> &str { self.assertion_args.pred_value() }
    fn obj_type(&self) -> DataType { self.assertion_args.obj_type() }
    fn obj_value(&self) -> &str { self.assertion_args.obj_value() }
    fn pred_tag(&self) -> Option<u64> { self.assertion_args.pred_tag() }
    fn obj_tag(&self) -> Option<u64> { self.assertion_args.obj_tag() }
}

impl crate::Exec for CommandArgs {
    fn exec(&self) -> Result<String> {
        let envelope = self.read_envelope()?;
        let assertion = self.assertion_envelope()?;
        Ok(envelope.remove_assertion(assertion).ur_string())
    }
}