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use oxiri::{Iri, IriParseError};
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use rio_api::model as rio;
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use std::fmt;
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/// A RDF [IRI](https://www.w3.org/TR/rdf11-concepts/#dfn-iri)
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///
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/// The default string formatter is returning a N-Triples, Turtle and SPARQL compatible representation:
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/// ```
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/// use oxigraph::model::NamedNode;
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///
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/// assert_eq!(
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/// "<http://example.com/foo>",
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/// NamedNode::parse("http://example.com/foo").unwrap().to_string()
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/// )
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/// ```
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///
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#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)]
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pub struct NamedNode {
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iri: String,
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}
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impl NamedNode {
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/// Builds and validate a RDF [IRI](https://www.w3.org/TR/rdf11-concepts/#dfn-iri)
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pub fn parse(iri: impl Into<String>) -> Result<Self, IriParseError> {
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Ok(Self::new_from_iri(Iri::parse(iri.into())?))
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}
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pub(crate) fn new_from_iri(iri: Iri<String>) -> Self {
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Self::new_unchecked(iri.into_inner())
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}
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/// Builds a RDF [IRI](https://www.w3.org/TR/rdf11-concepts/#dfn-iri) from a string.
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///
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/// It is the caller's responsibility to ensure that `iri` is a valid IRI.
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///
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/// Except if you really know what you do, you should use [`parse`](#method.parse).
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pub fn new_unchecked(iri: impl Into<String>) -> Self {
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Self { iri: iri.into() }
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}
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pub fn as_str(&self) -> &str {
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self.iri.as_str()
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}
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pub fn into_string(self) -> String {
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self.iri
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}
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}
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impl fmt::Display for NamedNode {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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rio::NamedNode::from(self).fmt(f)
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}
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}
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impl<'a> From<&'a NamedNode> for rio::NamedNode<'a> {
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fn from(node: &'a NamedNode) -> Self {
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rio::NamedNode { iri: node.as_str() }
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}
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}
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