Add classes function for Datasets, reorg modules

Cargo.lock

@@ -107,9 +107,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.20.2"
+version = "3.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d20789868f4b01b2f2caec9f5c4e0213b41e3e5702a50157d699ae31ced2fcb"
+checksum = "72f5acc6cb2ba439de613abc23857ec3d78374d8ed5ac84e9d11336e87da8649"
 
 [[package]]
 name = "bytes"
@@ -641,9 +641,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.98"
+version = "0.3.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67df7112613f8bfd9150013a0314e196f4800d3201ae742489d999db2f979f08"
+checksum = "142bc4740e452c1e57ade0cbc129f139c9093e354346f0872ef985f4f5cf5f11"
 dependencies = [
  "cfg-if",
  "futures-util",
@@ -1702,9 +1702,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.121"
+version = "0.2.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49ace1d07c165b0864824eee619580c4689389afa9dc9ed3a4c75040d82e6790"
+checksum = "3ed04576f974d2b2fba0f38c51dbc5518011e38c36bf1143164be765528fd409"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -1715,9 +1715,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.71"
+version = "0.4.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96492d0d3ffba25305a7dc88720d250b1401d7edca02cc3bcd50633b424673b8"
+checksum = "9473dbd2991ae90b6291c3c32c30c6187ac49aa32f9905d1cce280ec1e110b0f"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -1725,9 +1725,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.121"
+version = "0.2.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e68e6f4afd367a562002c05637acb8578ff2dea1943df76afb9e83d177c8578"
+checksum = "916151b09da36bd82f6615cbf3a419e2f0ba23a03c6160e8e92eb6bd4aa1dec6"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1735,9 +1735,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.121"
+version = "0.2.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d95a9ec35c64b2a7cb35d3fead40c4238d0940c86d107136999567a4703259f2"
+checksum = "299047362ccbfce148b67ab7e73349f77748e00c8296f9542adfad2ad82c5c5e"
 dependencies = [
  "bumpalo",
  "proc-macro2",
@@ -1748,9 +1748,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.121"
+version = "0.2.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4e0100b01e9f0d03189a92b96772a1fb998639d981193d7dbab487302513441"
+checksum = "9a929b2c61f11ba3e9bc35b50c1f25cb38e0e892c0c231ae2b8cf78d5dad4437"
 dependencies = [
  "unicode-ident",
 ]
@@ -1770,9 +1770,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.98"
+version = "0.3.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b572dff8bcf38bad0fa19729c89bb5748b2b9b1d8be70cf90df697e3a8f32aa"
+checksum = "6d621441cfc37b84979402712047321980c178f299193a3589d05b99e8763436"
 dependencies = [
  "js-sys",
  "wasm-bindgen",

ldp/src/lib.rs

@@ -7,9 +7,7 @@ mod rdf_source;
 mod resource;
 pub mod traverse;
 pub mod vocab;
-
+pub mod model;
-#[cfg(feature = "keyed")]
-pub mod keyed;
 
 pub use http;
 pub use oxigraph;

ldp/src/model/dataset.rs

@@ -0,0 +1,16 @@
+use oxigraph::model::{Dataset, NamedNodeRef, NamedOrBlankNodeRef, TermRef};
+use oxigraph::model::vocab::rdf;
+use crate::RdfSource;
+
+impl RdfSource<Dataset> {
+    /// Return all the classes associated with this document.
+    pub fn classes(&self) -> impl Iterator<Item = NamedNodeRef<'_>> {
+        let subject = NamedOrBlankNodeRef::NamedNode(NamedNodeRef::new_unchecked(self.origin.as_str()));
+        self.dataset
+            .quads_for_pattern(Some(subject), Some(rdf::TYPE), None, None)
+            .filter_map(|quad| match quad.object {
+                TermRef::NamedNode(node) => Some(node),
+                _ => None,
+            })
+    }
+}

ldp/src/model/keyed_dataset.rs

@@ -1,11 +1,21 @@
 use oxigraph::model::{Quad, QuadRef};
 use slotmap::{SecondaryMap, SlotMap, new_key_type};
 
-new_key_type! { pub struct QuadKey; }
+new_key_type! {
+    /// A type which uniquely identifies a quad.
+    pub struct QuadKey;
+}
 
+/// A set of quads stored in a [`SlotMap`].
+///
+/// This exists as a convenience for those who want to uniquely identify a quad and associate
+/// application-specific data with it.
 #[derive(Clone, Debug, Default)]
 pub struct KeyedDataset<T> {
+    /// The underlying SlotMap.
     pub quads: SlotMap<QuadKey, Quad>,
+
+    /// Application-specific information to be associated with the quads.
     pub associated_data: SecondaryMap<QuadKey, T>,
 }
 

ldp/src/model/mod.rs

@@ -0,0 +1,6 @@
+mod dataset;
+#[cfg(feature = "keyed")]
+mod keyed_dataset;
+
+#[cfg(feature = "keyed")]
+pub use keyed_dataset::{KeyedDataset, QuadKey};