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1188 lines
32 KiB
1188 lines
32 KiB
use crate::blank_node::BlankNode;
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use crate::literal::Literal;
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use crate::named_node::NamedNode;
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use crate::{BlankNodeRef, LiteralRef, NamedNodeRef};
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use std::fmt;
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/// The owned union of [IRIs](https://www.w3.org/TR/rdf11-concepts/#dfn-iri) and [blank nodes](https://www.w3.org/TR/rdf11-concepts/#dfn-blank-node).
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#[derive(Eq, PartialEq, Debug, Clone, Hash)]
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pub enum NamedOrBlankNode {
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NamedNode(NamedNode),
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BlankNode(BlankNode),
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}
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impl NamedOrBlankNode {
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#[inline]
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pub fn is_named_node(&self) -> bool {
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self.as_ref().is_named_node()
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}
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#[inline]
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pub fn is_blank_node(&self) -> bool {
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self.as_ref().is_blank_node()
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}
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#[inline]
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pub fn as_ref(&self) -> NamedOrBlankNodeRef<'_> {
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match self {
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Self::NamedNode(node) => NamedOrBlankNodeRef::NamedNode(node.as_ref()),
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Self::BlankNode(node) => NamedOrBlankNodeRef::BlankNode(node.as_ref()),
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}
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}
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}
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impl fmt::Display for NamedOrBlankNode {
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#[inline]
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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self.as_ref().fmt(f)
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}
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}
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impl From<NamedNode> for NamedOrBlankNode {
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#[inline]
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fn from(node: NamedNode) -> Self {
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Self::NamedNode(node)
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}
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}
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impl From<NamedNodeRef<'_>> for NamedOrBlankNode {
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#[inline]
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fn from(node: NamedNodeRef<'_>) -> Self {
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node.into_owned().into()
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}
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}
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impl From<BlankNode> for NamedOrBlankNode {
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#[inline]
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fn from(node: BlankNode) -> Self {
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Self::BlankNode(node)
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}
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}
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impl From<BlankNodeRef<'_>> for NamedOrBlankNode {
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#[inline]
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fn from(node: BlankNodeRef<'_>) -> Self {
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node.into_owned().into()
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}
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}
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/// The borrowed union of [IRIs](https://www.w3.org/TR/rdf11-concepts/#dfn-iri) and [blank nodes](https://www.w3.org/TR/rdf11-concepts/#dfn-blank-node).
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#[derive(Eq, PartialEq, Debug, Clone, Copy, Hash)]
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pub enum NamedOrBlankNodeRef<'a> {
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NamedNode(NamedNodeRef<'a>),
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BlankNode(BlankNodeRef<'a>),
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}
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impl<'a> NamedOrBlankNodeRef<'a> {
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#[inline]
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pub fn is_named_node(&self) -> bool {
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match self {
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Self::NamedNode(_) => true,
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Self::BlankNode(_) => false,
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}
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}
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#[inline]
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pub fn is_blank_node(&self) -> bool {
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match self {
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Self::NamedNode(_) => false,
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Self::BlankNode(_) => true,
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}
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}
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#[inline]
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pub fn into_owned(self) -> NamedOrBlankNode {
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match self {
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Self::NamedNode(node) => NamedOrBlankNode::NamedNode(node.into_owned()),
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Self::BlankNode(node) => NamedOrBlankNode::BlankNode(node.into_owned()),
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}
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}
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}
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impl fmt::Display for NamedOrBlankNodeRef<'_> {
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#[inline]
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Self::NamedNode(node) => node.fmt(f),
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Self::BlankNode(node) => node.fmt(f),
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}
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}
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}
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impl<'a> From<NamedNodeRef<'a>> for NamedOrBlankNodeRef<'a> {
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#[inline]
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fn from(node: NamedNodeRef<'a>) -> Self {
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Self::NamedNode(node)
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}
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}
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impl<'a> From<&'a NamedNode> for NamedOrBlankNodeRef<'a> {
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#[inline]
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fn from(node: &'a NamedNode) -> Self {
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node.as_ref().into()
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}
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}
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impl<'a> From<BlankNodeRef<'a>> for NamedOrBlankNodeRef<'a> {
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#[inline]
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fn from(node: BlankNodeRef<'a>) -> Self {
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Self::BlankNode(node)
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}
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}
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impl<'a> From<&'a BlankNode> for NamedOrBlankNodeRef<'a> {
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#[inline]
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fn from(node: &'a BlankNode) -> Self {
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node.as_ref().into()
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}
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}
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impl<'a> From<&'a NamedOrBlankNode> for NamedOrBlankNodeRef<'a> {
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#[inline]
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fn from(node: &'a NamedOrBlankNode) -> Self {
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node.as_ref()
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}
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}
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impl<'a> From<NamedOrBlankNodeRef<'a>> for NamedOrBlankNode {
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#[inline]
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fn from(node: NamedOrBlankNodeRef<'a>) -> Self {
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node.into_owned()
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}
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}
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/// The owned union of [IRIs](https://www.w3.org/TR/rdf11-concepts/#dfn-iri), [blank nodes](https://www.w3.org/TR/rdf11-concepts/#dfn-blank-node) and [triples](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple) (if the `rdf-star` feature is enabled).
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#[derive(Eq, PartialEq, Debug, Clone, Hash)]
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pub enum Subject {
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NamedNode(NamedNode),
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BlankNode(BlankNode),
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#[cfg(feature = "rdf-star")]
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Triple(Box<Triple>),
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}
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impl Subject {
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#[inline]
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pub fn is_named_node(&self) -> bool {
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self.as_ref().is_named_node()
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}
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#[inline]
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pub fn is_blank_node(&self) -> bool {
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self.as_ref().is_blank_node()
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}
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#[cfg(feature = "rdf-star")]
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#[inline]
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pub fn is_triple(&self) -> bool {
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self.as_ref().is_triple()
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}
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#[inline]
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pub fn as_ref(&self) -> SubjectRef<'_> {
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match self {
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Self::NamedNode(node) => SubjectRef::NamedNode(node.as_ref()),
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Self::BlankNode(node) => SubjectRef::BlankNode(node.as_ref()),
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#[cfg(feature = "rdf-star")]
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Self::Triple(triple) => SubjectRef::Triple(triple),
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}
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}
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}
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impl fmt::Display for Subject {
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#[inline]
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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self.as_ref().fmt(f)
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}
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}
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impl From<NamedNode> for Subject {
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#[inline]
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fn from(node: NamedNode) -> Self {
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Self::NamedNode(node)
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}
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}
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impl From<NamedNodeRef<'_>> for Subject {
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#[inline]
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fn from(node: NamedNodeRef<'_>) -> Self {
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node.into_owned().into()
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}
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}
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impl From<BlankNode> for Subject {
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#[inline]
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fn from(node: BlankNode) -> Self {
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Self::BlankNode(node)
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}
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}
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impl From<BlankNodeRef<'_>> for Subject {
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#[inline]
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fn from(node: BlankNodeRef<'_>) -> Self {
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node.into_owned().into()
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}
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}
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#[cfg(feature = "rdf-star")]
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impl From<Triple> for Subject {
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#[inline]
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fn from(node: Triple) -> Self {
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Self::Triple(Box::new(node))
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}
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}
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#[cfg(feature = "rdf-star")]
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impl From<Box<Triple>> for Subject {
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#[inline]
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fn from(node: Box<Triple>) -> Self {
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Self::Triple(node)
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}
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}
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#[cfg(feature = "rdf-star")]
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impl From<TripleRef<'_>> for Subject {
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#[inline]
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fn from(node: TripleRef<'_>) -> Self {
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node.into_owned().into()
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}
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}
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impl From<NamedOrBlankNode> for Subject {
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#[inline]
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fn from(node: NamedOrBlankNode) -> Self {
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match node {
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NamedOrBlankNode::NamedNode(node) => node.into(),
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NamedOrBlankNode::BlankNode(node) => node.into(),
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}
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}
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}
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impl From<NamedOrBlankNodeRef<'_>> for Subject {
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#[inline]
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fn from(node: NamedOrBlankNodeRef<'_>) -> Self {
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node.into_owned().into()
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}
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}
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/// The borrowed union of [IRIs](https://www.w3.org/TR/rdf11-concepts/#dfn-iri), [blank nodes](https://www.w3.org/TR/rdf11-concepts/#dfn-blank-node) and [triples](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple) (if the `rdf-star` feature is enabled).
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#[derive(Eq, PartialEq, Debug, Clone, Copy, Hash)]
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pub enum SubjectRef<'a> {
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NamedNode(NamedNodeRef<'a>),
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BlankNode(BlankNodeRef<'a>),
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#[cfg(feature = "rdf-star")]
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Triple(&'a Triple),
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}
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impl<'a> SubjectRef<'a> {
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#[inline]
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pub fn is_named_node(&self) -> bool {
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matches!(self, Self::NamedNode(_))
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}
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#[inline]
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pub fn is_blank_node(&self) -> bool {
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matches!(self, Self::BlankNode(_))
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}
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#[cfg(feature = "rdf-star")]
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#[inline]
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pub fn is_triple(&self) -> bool {
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matches!(self, Self::Triple(_))
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}
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#[inline]
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pub fn into_owned(self) -> Subject {
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match self {
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Self::NamedNode(node) => Subject::NamedNode(node.into_owned()),
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Self::BlankNode(node) => Subject::BlankNode(node.into_owned()),
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#[cfg(feature = "rdf-star")]
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Self::Triple(triple) => Subject::Triple(Box::new(triple.clone())),
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}
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}
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}
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impl fmt::Display for SubjectRef<'_> {
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#[inline]
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Self::NamedNode(node) => node.fmt(f),
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Self::BlankNode(node) => node.fmt(f),
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#[cfg(feature = "rdf-star")]
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Self::Triple(triple) => write!(f, "<<{}>>", triple),
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}
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}
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}
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impl<'a> From<NamedNodeRef<'a>> for SubjectRef<'a> {
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#[inline]
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fn from(node: NamedNodeRef<'a>) -> Self {
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Self::NamedNode(node)
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}
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}
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impl<'a> From<&'a NamedNode> for SubjectRef<'a> {
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#[inline]
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fn from(node: &'a NamedNode) -> Self {
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node.as_ref().into()
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}
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}
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impl<'a> From<BlankNodeRef<'a>> for SubjectRef<'a> {
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#[inline]
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fn from(node: BlankNodeRef<'a>) -> Self {
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Self::BlankNode(node)
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}
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}
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impl<'a> From<&'a BlankNode> for SubjectRef<'a> {
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#[inline]
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fn from(node: &'a BlankNode) -> Self {
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node.as_ref().into()
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}
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}
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#[cfg(feature = "rdf-star")]
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impl<'a> From<&'a Triple> for SubjectRef<'a> {
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#[inline]
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fn from(node: &'a Triple) -> Self {
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Self::Triple(node)
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}
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}
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impl<'a> From<&'a Subject> for SubjectRef<'a> {
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#[inline]
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fn from(node: &'a Subject) -> Self {
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node.as_ref()
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}
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}
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impl<'a> From<SubjectRef<'a>> for Subject {
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#[inline]
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fn from(node: SubjectRef<'a>) -> Self {
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node.into_owned()
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}
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}
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impl<'a> From<NamedOrBlankNodeRef<'a>> for SubjectRef<'a> {
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#[inline]
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fn from(node: NamedOrBlankNodeRef<'a>) -> Self {
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match node {
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NamedOrBlankNodeRef::NamedNode(node) => node.into(),
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NamedOrBlankNodeRef::BlankNode(node) => node.into(),
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}
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}
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}
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impl<'a> From<&'a NamedOrBlankNode> for SubjectRef<'a> {
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#[inline]
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fn from(node: &'a NamedOrBlankNode) -> Self {
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node.as_ref().into()
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}
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}
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/// An owned RDF [term](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-term)
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/// It is the union of [IRIs](https://www.w3.org/TR/rdf11-concepts/#dfn-iri), [blank nodes](https://www.w3.org/TR/rdf11-concepts/#dfn-blank-node), [literals](https://www.w3.org/TR/rdf11-concepts/#dfn-literal) and [triples](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple) (if the `rdf-star` feature is enabled).
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#[derive(Eq, PartialEq, Debug, Clone, Hash)]
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pub enum Term {
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NamedNode(NamedNode),
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BlankNode(BlankNode),
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Literal(Literal),
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#[cfg(feature = "rdf-star")]
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Triple(Box<Triple>),
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}
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impl Term {
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#[inline]
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pub fn is_named_node(&self) -> bool {
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self.as_ref().is_named_node()
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}
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#[inline]
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pub fn is_blank_node(&self) -> bool {
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self.as_ref().is_blank_node()
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}
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#[inline]
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pub fn is_literal(&self) -> bool {
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self.as_ref().is_literal()
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}
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#[cfg(feature = "rdf-star")]
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#[inline]
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pub fn is_triple(&self) -> bool {
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self.as_ref().is_triple()
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}
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#[inline]
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pub fn as_ref(&self) -> TermRef<'_> {
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match self {
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Self::NamedNode(node) => TermRef::NamedNode(node.as_ref()),
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Self::BlankNode(node) => TermRef::BlankNode(node.as_ref()),
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Self::Literal(literal) => TermRef::Literal(literal.as_ref()),
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#[cfg(feature = "rdf-star")]
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Self::Triple(triple) => TermRef::Triple(triple),
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}
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}
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}
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impl fmt::Display for Term {
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|
#[inline]
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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self.as_ref().fmt(f)
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}
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}
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|
|
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impl From<NamedNode> for Term {
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#[inline]
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fn from(node: NamedNode) -> Self {
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|
Self::NamedNode(node)
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}
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}
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|
|
|
impl From<NamedNodeRef<'_>> for Term {
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|
#[inline]
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|
fn from(node: NamedNodeRef<'_>) -> Self {
|
|
node.into_owned().into()
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|
}
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|
}
|
|
|
|
impl From<BlankNode> for Term {
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|
#[inline]
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|
fn from(node: BlankNode) -> Self {
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|
Self::BlankNode(node)
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}
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|
}
|
|
|
|
impl From<BlankNodeRef<'_>> for Term {
|
|
#[inline]
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|
fn from(node: BlankNodeRef<'_>) -> Self {
|
|
node.into_owned().into()
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|
}
|
|
}
|
|
|
|
impl From<Literal> for Term {
|
|
#[inline]
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|
fn from(literal: Literal) -> Self {
|
|
Self::Literal(literal)
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|
}
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|
}
|
|
|
|
impl From<LiteralRef<'_>> for Term {
|
|
#[inline]
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|
fn from(literal: LiteralRef<'_>) -> Self {
|
|
literal.into_owned().into()
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|
}
|
|
}
|
|
|
|
#[cfg(feature = "rdf-star")]
|
|
impl From<Triple> for Term {
|
|
#[inline]
|
|
fn from(triple: Triple) -> Self {
|
|
Self::Triple(Box::new(triple))
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "rdf-star")]
|
|
impl From<Box<Triple>> for Term {
|
|
#[inline]
|
|
fn from(node: Box<Triple>) -> Self {
|
|
Self::Triple(node)
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|
}
|
|
}
|
|
|
|
#[cfg(feature = "rdf-star")]
|
|
impl From<TripleRef<'_>> for Term {
|
|
#[inline]
|
|
fn from(triple: TripleRef<'_>) -> Self {
|
|
triple.into_owned().into()
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|
}
|
|
}
|
|
|
|
impl From<NamedOrBlankNode> for Term {
|
|
#[inline]
|
|
fn from(node: NamedOrBlankNode) -> Self {
|
|
match node {
|
|
NamedOrBlankNode::NamedNode(node) => node.into(),
|
|
NamedOrBlankNode::BlankNode(node) => node.into(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<NamedOrBlankNodeRef<'_>> for Term {
|
|
#[inline]
|
|
fn from(node: NamedOrBlankNodeRef<'_>) -> Self {
|
|
node.into_owned().into()
|
|
}
|
|
}
|
|
|
|
impl From<Subject> for Term {
|
|
#[inline]
|
|
fn from(node: Subject) -> Self {
|
|
match node {
|
|
Subject::NamedNode(node) => node.into(),
|
|
Subject::BlankNode(node) => node.into(),
|
|
#[cfg(feature = "rdf-star")]
|
|
Subject::Triple(triple) => Self::Triple(triple),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<SubjectRef<'_>> for Term {
|
|
#[inline]
|
|
fn from(node: SubjectRef<'_>) -> Self {
|
|
node.into_owned().into()
|
|
}
|
|
}
|
|
|
|
/// A borrowed RDF [term](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-term)
|
|
/// It is the union of [IRIs](https://www.w3.org/TR/rdf11-concepts/#dfn-iri), [blank nodes](https://www.w3.org/TR/rdf11-concepts/#dfn-blank-node), [literals](https://www.w3.org/TR/rdf11-concepts/#dfn-literal) and [triples](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple) (if the `rdf-star` feature is enabled).
|
|
#[derive(Eq, PartialEq, Debug, Clone, Copy, Hash)]
|
|
pub enum TermRef<'a> {
|
|
NamedNode(NamedNodeRef<'a>),
|
|
BlankNode(BlankNodeRef<'a>),
|
|
Literal(LiteralRef<'a>),
|
|
#[cfg(feature = "rdf-star")]
|
|
Triple(&'a Triple),
|
|
}
|
|
|
|
impl<'a> TermRef<'a> {
|
|
#[inline]
|
|
pub fn is_named_node(&self) -> bool {
|
|
matches!(self, Self::NamedNode(_))
|
|
}
|
|
|
|
#[inline]
|
|
pub fn is_blank_node(&self) -> bool {
|
|
matches!(self, Self::BlankNode(_))
|
|
}
|
|
|
|
#[inline]
|
|
pub fn is_literal(&self) -> bool {
|
|
matches!(self, Self::Literal(_))
|
|
}
|
|
|
|
#[cfg(feature = "rdf-star")]
|
|
#[inline]
|
|
pub fn is_triple(&self) -> bool {
|
|
matches!(self, Self::Triple(_))
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_owned(self) -> Term {
|
|
match self {
|
|
Self::NamedNode(node) => Term::NamedNode(node.into_owned()),
|
|
Self::BlankNode(node) => Term::BlankNode(node.into_owned()),
|
|
Self::Literal(literal) => Term::Literal(literal.into_owned()),
|
|
#[cfg(feature = "rdf-star")]
|
|
Self::Triple(triple) => Term::Triple(Box::new(triple.clone())),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for TermRef<'_> {
|
|
#[inline]
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
match self {
|
|
Self::NamedNode(node) => node.fmt(f),
|
|
Self::BlankNode(node) => node.fmt(f),
|
|
Self::Literal(literal) => literal.fmt(f),
|
|
#[cfg(feature = "rdf-star")]
|
|
Self::Triple(triple) => {
|
|
write!(f, "<<{}>>", triple)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'a> From<NamedNodeRef<'a>> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: NamedNodeRef<'a>) -> Self {
|
|
Self::NamedNode(node)
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a NamedNode> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: &'a NamedNode) -> Self {
|
|
node.as_ref().into()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<BlankNodeRef<'a>> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: BlankNodeRef<'a>) -> Self {
|
|
Self::BlankNode(node)
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a BlankNode> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: &'a BlankNode) -> Self {
|
|
node.as_ref().into()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<LiteralRef<'a>> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(literal: LiteralRef<'a>) -> Self {
|
|
Self::Literal(literal)
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a Literal> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(literal: &'a Literal) -> Self {
|
|
literal.as_ref().into()
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "rdf-star")]
|
|
impl<'a> From<&'a Triple> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: &'a Triple) -> Self {
|
|
Self::Triple(node)
|
|
}
|
|
}
|
|
|
|
impl<'a> From<NamedOrBlankNodeRef<'a>> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: NamedOrBlankNodeRef<'a>) -> Self {
|
|
match node {
|
|
NamedOrBlankNodeRef::NamedNode(node) => node.into(),
|
|
NamedOrBlankNodeRef::BlankNode(node) => node.into(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a NamedOrBlankNode> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: &'a NamedOrBlankNode) -> Self {
|
|
node.as_ref().into()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<SubjectRef<'a>> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: SubjectRef<'a>) -> Self {
|
|
match node {
|
|
SubjectRef::NamedNode(node) => node.into(),
|
|
SubjectRef::BlankNode(node) => node.into(),
|
|
#[cfg(feature = "rdf-star")]
|
|
SubjectRef::Triple(triple) => triple.into(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a Subject> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: &'a Subject) -> Self {
|
|
node.as_ref().into()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a Term> for TermRef<'a> {
|
|
#[inline]
|
|
fn from(node: &'a Term) -> Self {
|
|
node.as_ref()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<TermRef<'a>> for Term {
|
|
#[inline]
|
|
fn from(node: TermRef<'a>) -> Self {
|
|
node.into_owned()
|
|
}
|
|
}
|
|
|
|
/// An owned [RDF triple](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple).
|
|
///
|
|
/// The default string formatter is returning an N-Triples, Turtle, and SPARQL compatible representation:
|
|
/// ```
|
|
/// use oxrdf::{Triple, NamedNode};
|
|
///
|
|
/// assert_eq!(
|
|
/// "<http://example.com/s> <http://example.com/p> <http://example.com/o>",
|
|
/// Triple {
|
|
/// subject: NamedNode::new("http://example.com/s")?.into(),
|
|
/// predicate: NamedNode::new("http://example.com/p")?,
|
|
/// object: NamedNode::new("http://example.com/o")?.into(),
|
|
/// }.to_string()
|
|
/// );
|
|
/// # Result::<_,oxrdf::IriParseError>::Ok(())
|
|
/// ```
|
|
#[derive(Eq, PartialEq, Debug, Clone, Hash)]
|
|
pub struct Triple {
|
|
/// The [subject](https://www.w3.org/TR/rdf11-concepts/#dfn-subject) of this triple.
|
|
pub subject: Subject,
|
|
|
|
/// The [predicate](https://www.w3.org/TR/rdf11-concepts/#dfn-predicate) of this triple.
|
|
pub predicate: NamedNode,
|
|
|
|
/// The [object](https://www.w3.org/TR/rdf11-concepts/#dfn-object) of this triple.
|
|
pub object: Term,
|
|
}
|
|
|
|
impl Triple {
|
|
/// Builds an RDF [triple](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple).
|
|
#[inline]
|
|
pub fn new(
|
|
subject: impl Into<Subject>,
|
|
predicate: impl Into<NamedNode>,
|
|
object: impl Into<Term>,
|
|
) -> Self {
|
|
Self {
|
|
subject: subject.into(),
|
|
predicate: predicate.into(),
|
|
object: object.into(),
|
|
}
|
|
}
|
|
|
|
/// Encodes that this triple is in an [RDF dataset](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-dataset).
|
|
#[inline]
|
|
pub fn in_graph(self, graph_name: impl Into<GraphName>) -> Quad {
|
|
Quad {
|
|
subject: self.subject,
|
|
predicate: self.predicate,
|
|
object: self.object,
|
|
graph_name: graph_name.into(),
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn as_ref(&self) -> TripleRef<'_> {
|
|
TripleRef {
|
|
subject: self.subject.as_ref(),
|
|
predicate: self.predicate.as_ref(),
|
|
object: self.object.as_ref(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for Triple {
|
|
#[inline]
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
self.as_ref().fmt(f)
|
|
}
|
|
}
|
|
|
|
/// A borrowed [RDF triple](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple).
|
|
///
|
|
/// The default string formatter is returning an N-Triples, Turtle, and SPARQL compatible representation:
|
|
/// ```
|
|
/// use oxrdf::{TripleRef, NamedNodeRef};
|
|
///
|
|
/// assert_eq!(
|
|
/// "<http://example.com/s> <http://example.com/p> <http://example.com/o>",
|
|
/// TripleRef {
|
|
/// subject: NamedNodeRef::new("http://example.com/s")?.into(),
|
|
/// predicate: NamedNodeRef::new("http://example.com/p")?,
|
|
/// object: NamedNodeRef::new("http://example.com/o")?.into(),
|
|
/// }.to_string()
|
|
/// );
|
|
/// # Result::<_,oxrdf::IriParseError>::Ok(())
|
|
/// ```
|
|
|
|
#[derive(Eq, PartialEq, Debug, Clone, Copy, Hash)]
|
|
pub struct TripleRef<'a> {
|
|
/// The [subject](https://www.w3.org/TR/rdf11-concepts/#dfn-subject) of this triple.
|
|
pub subject: SubjectRef<'a>,
|
|
|
|
/// The [predicate](https://www.w3.org/TR/rdf11-concepts/#dfn-predicate) of this triple.
|
|
pub predicate: NamedNodeRef<'a>,
|
|
|
|
/// The [object](https://www.w3.org/TR/rdf11-concepts/#dfn-object) of this triple.
|
|
pub object: TermRef<'a>,
|
|
}
|
|
|
|
impl<'a> TripleRef<'a> {
|
|
/// Builds an RDF [triple](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple).
|
|
#[inline]
|
|
pub fn new(
|
|
subject: impl Into<SubjectRef<'a>>,
|
|
predicate: impl Into<NamedNodeRef<'a>>,
|
|
object: impl Into<TermRef<'a>>,
|
|
) -> Self {
|
|
Self {
|
|
subject: subject.into(),
|
|
predicate: predicate.into(),
|
|
object: object.into(),
|
|
}
|
|
}
|
|
|
|
/// Encodes that this triple is in an [RDF dataset](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-dataset).
|
|
#[inline]
|
|
pub fn in_graph(self, graph_name: impl Into<GraphNameRef<'a>>) -> QuadRef<'a> {
|
|
QuadRef {
|
|
subject: self.subject,
|
|
predicate: self.predicate,
|
|
object: self.object,
|
|
graph_name: graph_name.into(),
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_owned(self) -> Triple {
|
|
Triple {
|
|
subject: self.subject.into_owned(),
|
|
predicate: self.predicate.into_owned(),
|
|
object: self.object.into_owned(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for TripleRef<'_> {
|
|
#[inline]
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
write!(f, "{} {} {}", self.subject, self.predicate, self.object)
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a Triple> for TripleRef<'a> {
|
|
#[inline]
|
|
fn from(triple: &'a Triple) -> Self {
|
|
triple.as_ref()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<TripleRef<'a>> for Triple {
|
|
#[inline]
|
|
fn from(triple: TripleRef<'a>) -> Self {
|
|
triple.into_owned()
|
|
}
|
|
}
|
|
|
|
/// A possible owned graph name.
|
|
/// It is the union of [IRIs](https://www.w3.org/TR/rdf11-concepts/#dfn-iri), [blank nodes](https://www.w3.org/TR/rdf11-concepts/#dfn-blank-node), and the [default graph name](https://www.w3.org/TR/rdf11-concepts/#dfn-default-graph).
|
|
#[derive(Eq, PartialEq, Debug, Clone, Hash)]
|
|
pub enum GraphName {
|
|
NamedNode(NamedNode),
|
|
BlankNode(BlankNode),
|
|
DefaultGraph,
|
|
}
|
|
|
|
impl GraphName {
|
|
#[inline]
|
|
pub fn is_named_node(&self) -> bool {
|
|
self.as_ref().is_named_node()
|
|
}
|
|
|
|
#[inline]
|
|
pub fn is_blank_node(&self) -> bool {
|
|
self.as_ref().is_blank_node()
|
|
}
|
|
|
|
#[inline]
|
|
pub fn is_default_graph(&self) -> bool {
|
|
self.as_ref().is_default_graph()
|
|
}
|
|
|
|
#[inline]
|
|
pub fn as_ref(&self) -> GraphNameRef<'_> {
|
|
match self {
|
|
Self::NamedNode(node) => GraphNameRef::NamedNode(node.as_ref()),
|
|
Self::BlankNode(node) => GraphNameRef::BlankNode(node.as_ref()),
|
|
Self::DefaultGraph => GraphNameRef::DefaultGraph,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for GraphName {
|
|
#[inline]
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
self.as_ref().fmt(f)
|
|
}
|
|
}
|
|
|
|
impl From<NamedNode> for GraphName {
|
|
#[inline]
|
|
fn from(node: NamedNode) -> Self {
|
|
Self::NamedNode(node)
|
|
}
|
|
}
|
|
|
|
impl From<NamedNodeRef<'_>> for GraphName {
|
|
#[inline]
|
|
fn from(node: NamedNodeRef<'_>) -> Self {
|
|
node.into_owned().into()
|
|
}
|
|
}
|
|
|
|
impl From<BlankNode> for GraphName {
|
|
#[inline]
|
|
fn from(node: BlankNode) -> Self {
|
|
Self::BlankNode(node)
|
|
}
|
|
}
|
|
|
|
impl From<BlankNodeRef<'_>> for GraphName {
|
|
#[inline]
|
|
fn from(node: BlankNodeRef<'_>) -> Self {
|
|
node.into_owned().into()
|
|
}
|
|
}
|
|
|
|
/// A possible borrowed graph name.
|
|
/// It is the union of [IRIs](https://www.w3.org/TR/rdf11-concepts/#dfn-iri), [blank nodes](https://www.w3.org/TR/rdf11-concepts/#dfn-blank-node), and the [default graph name](https://www.w3.org/TR/rdf11-concepts/#dfn-default-graph).
|
|
#[derive(Eq, PartialEq, Debug, Clone, Copy, Hash)]
|
|
pub enum GraphNameRef<'a> {
|
|
NamedNode(NamedNodeRef<'a>),
|
|
BlankNode(BlankNodeRef<'a>),
|
|
DefaultGraph,
|
|
}
|
|
|
|
impl<'a> GraphNameRef<'a> {
|
|
#[inline]
|
|
pub fn is_named_node(&self) -> bool {
|
|
matches!(self, Self::NamedNode(_))
|
|
}
|
|
|
|
#[inline]
|
|
pub fn is_blank_node(&self) -> bool {
|
|
matches!(self, Self::BlankNode(_))
|
|
}
|
|
|
|
#[inline]
|
|
pub fn is_default_graph(&self) -> bool {
|
|
matches!(self, Self::DefaultGraph)
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_owned(self) -> GraphName {
|
|
match self {
|
|
Self::NamedNode(node) => GraphName::NamedNode(node.into_owned()),
|
|
Self::BlankNode(node) => GraphName::BlankNode(node.into_owned()),
|
|
Self::DefaultGraph => GraphName::DefaultGraph,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for GraphNameRef<'_> {
|
|
#[inline]
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
match self {
|
|
Self::NamedNode(node) => node.fmt(f),
|
|
Self::BlankNode(node) => node.fmt(f),
|
|
Self::DefaultGraph => write!(f, "DEFAULT"),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'a> From<NamedNodeRef<'a>> for GraphNameRef<'a> {
|
|
#[inline]
|
|
fn from(node: NamedNodeRef<'a>) -> Self {
|
|
Self::NamedNode(node)
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a NamedNode> for GraphNameRef<'a> {
|
|
#[inline]
|
|
fn from(node: &'a NamedNode) -> Self {
|
|
node.as_ref().into()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<BlankNodeRef<'a>> for GraphNameRef<'a> {
|
|
#[inline]
|
|
fn from(node: BlankNodeRef<'a>) -> Self {
|
|
Self::BlankNode(node)
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a BlankNode> for GraphNameRef<'a> {
|
|
#[inline]
|
|
fn from(node: &'a BlankNode) -> Self {
|
|
node.as_ref().into()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a GraphName> for GraphNameRef<'a> {
|
|
#[inline]
|
|
fn from(node: &'a GraphName) -> Self {
|
|
node.as_ref()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<GraphNameRef<'a>> for GraphName {
|
|
#[inline]
|
|
fn from(node: GraphNameRef<'a>) -> Self {
|
|
node.into_owned()
|
|
}
|
|
}
|
|
|
|
/// An owned [triple](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple) in an [RDF dataset](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-dataset).
|
|
///
|
|
/// The default string formatter is returning an N-Quads compatible representation:
|
|
/// ```
|
|
/// use oxrdf::{Quad, NamedNode};
|
|
///
|
|
/// assert_eq!(
|
|
/// "<http://example.com/s> <http://example.com/p> <http://example.com/o> <http://example.com/g>",
|
|
/// Quad {
|
|
/// subject: NamedNode::new("http://example.com/s")?.into(),
|
|
/// predicate: NamedNode::new("http://example.com/p")?,
|
|
/// object: NamedNode::new("http://example.com/o")?.into(),
|
|
/// graph_name: NamedNode::new("http://example.com/g")?.into(),
|
|
/// }.to_string()
|
|
/// );
|
|
/// # Result::<_,oxrdf::IriParseError>::Ok(())
|
|
/// ```
|
|
#[derive(Eq, PartialEq, Debug, Clone, Hash)]
|
|
pub struct Quad {
|
|
/// The [subject](https://www.w3.org/TR/rdf11-concepts/#dfn-subject) of this triple.
|
|
pub subject: Subject,
|
|
|
|
/// The [predicate](https://www.w3.org/TR/rdf11-concepts/#dfn-predicate) of this triple.
|
|
pub predicate: NamedNode,
|
|
|
|
/// The [object](https://www.w3.org/TR/rdf11-concepts/#dfn-object) of this triple.
|
|
pub object: Term,
|
|
|
|
/// The name of the RDF [graph](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-graph) in which the triple is.
|
|
pub graph_name: GraphName,
|
|
}
|
|
|
|
impl Quad {
|
|
/// Builds an RDF [triple](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple) in an [RDF dataset](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-dataset).
|
|
#[inline]
|
|
pub fn new(
|
|
subject: impl Into<Subject>,
|
|
predicate: impl Into<NamedNode>,
|
|
object: impl Into<Term>,
|
|
graph_name: impl Into<GraphName>,
|
|
) -> Self {
|
|
Self {
|
|
subject: subject.into(),
|
|
predicate: predicate.into(),
|
|
object: object.into(),
|
|
graph_name: graph_name.into(),
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn as_ref(&self) -> QuadRef<'_> {
|
|
QuadRef {
|
|
subject: self.subject.as_ref(),
|
|
predicate: self.predicate.as_ref(),
|
|
object: self.object.as_ref(),
|
|
graph_name: self.graph_name.as_ref(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for Quad {
|
|
#[inline]
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
self.as_ref().fmt(f)
|
|
}
|
|
}
|
|
|
|
impl From<Quad> for Triple {
|
|
#[inline]
|
|
fn from(quad: Quad) -> Self {
|
|
Self {
|
|
subject: quad.subject,
|
|
predicate: quad.predicate,
|
|
object: quad.object,
|
|
}
|
|
}
|
|
}
|
|
|
|
/// A borrowed [triple](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple) in an [RDF dataset](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-dataset).
|
|
///
|
|
/// The default string formatter is returning an N-Quads compatible representation:
|
|
/// ```
|
|
/// use oxrdf::{QuadRef, NamedNodeRef};
|
|
///
|
|
/// assert_eq!(
|
|
/// "<http://example.com/s> <http://example.com/p> <http://example.com/o> <http://example.com/g>",
|
|
/// QuadRef {
|
|
/// subject: NamedNodeRef::new("http://example.com/s")?.into(),
|
|
/// predicate: NamedNodeRef::new("http://example.com/p")?,
|
|
/// object: NamedNodeRef::new("http://example.com/o")?.into(),
|
|
/// graph_name: NamedNodeRef::new("http://example.com/g")?.into(),
|
|
/// }.to_string()
|
|
/// );
|
|
/// # Result::<_,oxrdf::IriParseError>::Ok(())
|
|
/// ```
|
|
#[derive(Eq, PartialEq, Debug, Clone, Copy, Hash)]
|
|
pub struct QuadRef<'a> {
|
|
/// The [subject](https://www.w3.org/TR/rdf11-concepts/#dfn-subject) of this triple.
|
|
pub subject: SubjectRef<'a>,
|
|
|
|
/// The [predicate](https://www.w3.org/TR/rdf11-concepts/#dfn-predicate) of this triple.
|
|
pub predicate: NamedNodeRef<'a>,
|
|
|
|
/// The [object](https://www.w3.org/TR/rdf11-concepts/#dfn-object) of this triple.
|
|
pub object: TermRef<'a>,
|
|
|
|
/// The name of the RDF [graph](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-graph) in which the triple is.
|
|
pub graph_name: GraphNameRef<'a>,
|
|
}
|
|
|
|
impl<'a> QuadRef<'a> {
|
|
/// Builds an RDF [triple](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-triple) in an [RDF dataset](https://www.w3.org/TR/rdf11-concepts/#dfn-rdf-dataset).
|
|
#[inline]
|
|
pub fn new(
|
|
subject: impl Into<SubjectRef<'a>>,
|
|
predicate: impl Into<NamedNodeRef<'a>>,
|
|
object: impl Into<TermRef<'a>>,
|
|
graph_name: impl Into<GraphNameRef<'a>>,
|
|
) -> Self {
|
|
Self {
|
|
subject: subject.into(),
|
|
predicate: predicate.into(),
|
|
object: object.into(),
|
|
graph_name: graph_name.into(),
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
pub fn into_owned(self) -> Quad {
|
|
Quad {
|
|
subject: self.subject.into_owned(),
|
|
predicate: self.predicate.into_owned(),
|
|
object: self.object.into_owned(),
|
|
graph_name: self.graph_name.into_owned(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for QuadRef<'_> {
|
|
#[inline]
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
if self.graph_name == GraphNameRef::DefaultGraph {
|
|
write!(f, "{} {} {}", self.subject, self.predicate, self.object)
|
|
} else {
|
|
write!(
|
|
f,
|
|
"{} {} {} {}",
|
|
self.subject, self.predicate, self.object, self.graph_name
|
|
)
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'a> From<QuadRef<'a>> for TripleRef<'a> {
|
|
#[inline]
|
|
fn from(quad: QuadRef<'a>) -> Self {
|
|
Self {
|
|
subject: quad.subject,
|
|
predicate: quad.predicate,
|
|
object: quad.object,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'a> From<&'a Quad> for QuadRef<'a> {
|
|
#[inline]
|
|
fn from(quad: &'a Quad) -> Self {
|
|
quad.as_ref()
|
|
}
|
|
}
|
|
|
|
impl<'a> From<QuadRef<'a>> for Quad {
|
|
#[inline]
|
|
fn from(quad: QuadRef<'a>) -> Self {
|
|
quad.into_owned()
|
|
}
|
|
}
|
|
|