shex_ast 0.0.3

Rust implementation of ShEx
Documentation 
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use iri_s::IriSError;
use serde_derive::{Deserialize, Serialize};

use crate::{Deref, DerefError};

use super::bnode::BNode;
use super::iri_ref::IriRef;

#[derive(Deserialize, Serialize, Debug, PartialEq, Eq, Hash, Clone)]
#[serde(try_from = "&str", into = "String")]
pub enum TripleExprLabel {
    IriRef { value: IriRef },
    BNode { value: BNode },
}

impl Deref for TripleExprLabel {
    fn deref(&self, 
        base: &Option<iri_s::IriS>, 
        prefixmap: &Option<prefixmap::PrefixMap>
    ) -> Result<Self, DerefError> where Self: Sized {
        match self {
            TripleExprLabel::IriRef { value } => {
                let new_value = value.deref(base, prefixmap)?;
                Ok(TripleExprLabel::IriRef { value: new_value })
            },
            TripleExprLabel::BNode { value }  => 
               Ok(TripleExprLabel::BNode { value: value.clone()})
        }
    }
}

impl TryFrom<&str> for TripleExprLabel {
    type Error = IriSError;

    fn try_from(s: &str) -> Result<Self, Self::Error> {
        let iri_ref = IriRef::try_from(s)?;
        Ok(TripleExprLabel::IriRef {
            value: iri_ref,
        })
    }
}

impl Into<String> for TripleExprLabel {
    fn into(self) -> String {
        match self {
            TripleExprLabel::IriRef { value } => value.into(),
            TripleExprLabel::BNode { value } => value.into(),
        }
    }
}