corevm-host 0.1.28

Types that are common across CoreVM service, builder, monitor, tooling
Documentation 
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use alloc::{borrow::Borrow, ffi::CString, vec::Vec};
use codec::{Decode, Encode};
use core::{ffi::CStr, ops::Deref};

/// Command line argument.
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
pub struct Arg(pub CString);

impl Encode for Arg {
	fn encode_to<O: codec::Output + ?Sized>(&self, output: &mut O) {
		self.0.to_bytes().encode_to(output)
	}
}

impl Decode for Arg {
	fn decode<I: codec::Input>(input: &mut I) -> Result<Self, codec::Error> {
		let mut bytes: Vec<u8> = Decode::decode(input)?;
		bytes.push(0_u8);
		let name = CString::from_vec_with_nul(bytes).map_err(|_| "Invalid C-string")?;
		Ok(Self(name))
	}
}

impl AsRef<CStr> for Arg {
	fn as_ref(&self) -> &CStr {
		self.0.as_c_str()
	}
}

impl Deref for Arg {
	type Target = CStr;

	fn deref(&self) -> &Self::Target {
		self.0.as_c_str()
	}
}

impl Borrow<CStr> for Arg {
	fn borrow(&self) -> &CStr {
		self.0.as_c_str()
	}
}

impl Borrow<[u8]> for Arg {
	fn borrow(&self) -> &[u8] {
		self.0.to_bytes()
	}
}