Replace deprecated rio with oxrdfio

nemo-wasm/src/lib.rs

@@ -217,10 +217,7 @@ pub struct NemoEngine {
 
 #[cfg(feature = "web_sys_unstable_apis")]
 fn std_io_error_from_js_value(js_value: JsValue, prefix: &str) -> std::io::Error {
-    std::io::Error::new(
-        std::io::ErrorKind::Other,
-        format!("{prefix}: {js_value:#?}"),
-    )
+    std::io::Error::other(format!("{prefix}: {js_value:#?}"))
 }
 
 #[cfg(feature = "web_sys_unstable_apis")]
@@ -240,12 +237,9 @@ impl std::io::Write for SyncAccessHandleWriter {
         // Convert to usize safely
         let converted_bytes_written = bytes_written as usize;
         if converted_bytes_written as f64 != bytes_written {
-            return Err(std::io::Error::new(
-                std::io::ErrorKind::Other,
-                format!(
-                    "Error while converting number of bytes written to usize: {bytes_written:#?}"
-                ),
-            ));
+            return Err(std::io::Error::other(format!(
+                "Error while converting number of bytes written to usize: {bytes_written:#?}"
+            )));
         }
 
         Ok(converted_bytes_written)

nemo/Cargo.toml

@@ -27,9 +27,6 @@ flate2 = "1"
 sanitise-file-name = "1.0.0"
 getrandom = { version = "0.2.9", default-features = false }
 path-slash = "0.2.1"
-rio_api = "0.8.4"
-rio_turtle = "0.8.4"
-rio_xml = "0.8.4"
 oxiri = "0.2.2"
 tokio = { version = "1.40.0", features = ["rt"] }
 reqwest = { version = "0.12.2", features = ["gzip", "brotli", "zstd", "deflate"] }
@@ -49,6 +46,8 @@ strum_macros = "0.26.4"
 similar-string = "1.4.3"
 bytecount = "0.6.8"
 colored = "2"
+oxrdfio = "0.1.6"
+oxrdf = "0.2.4"
 
 [dev-dependencies]
 env_logger = "*"

nemo/src/chase_model/analysis/variable_order.rs

@@ -380,9 +380,11 @@ impl VariableOrderBuilder<'_> {
                     let (idb_count_b, edb_count_b) =
                         self.get_already_present_idb_edb_count_for_rule_in_tries(rule_b);
 
-                    (idb_count_a != idb_count_b)
-                        .then(|| idb_count_a.cmp(&idb_count_b))
-                        .unwrap_or_else(|| edb_count_a.cmp(&edb_count_b))
+                    if idb_count_a != idb_count_b {
+                        idb_count_a.cmp(&idb_count_b)
+                    } else {
+                        edb_count_a.cmp(&edb_count_b)
+                    }
                 })
                 .expect("the remaining rules are never empty here");
 

nemo/src/io/formats/rdf.rs

@@ -1,4 +1,4 @@
-//! Handler for resources of type RDF (Rsource Description Format).
+//! Handler for resources of type RDF (Resource Description Format).
 
 #![allow(missing_docs)]
 

nemo/src/io/formats/rdf/error.rs

@@ -18,13 +18,6 @@ pub enum RdfFormatError {
     /// Error of encountering RDF* features in data
     #[error("RDF* terms are not supported")]
     RdfStarUnsupported,
-    /// Error in Rio's Turtle parser
-    #[error(transparent)]
-    RioTurtle(#[from] rio_turtle::TurtleError),
-    /// Error in Rio's RDF/XML parser
-    #[error(transparent)]
-    RioXml(#[from] rio_xml::RdfXmlError),
-    /// Unable to determine RDF format.
     #[error("could not determine which RDF parser to use for resource {0}")]
     UnknownRdfFormat(Resource),
 }