ran clippy and fmt

lib/src/sparql/eval.rs

@@ -1422,7 +1422,8 @@ impl<'a, S: StoreConnection + 'a> SimpleEvaluator<S> {
                             .and_then(|encoded| self.dataset.decode_term(encoded).ok())
                     })
                     .collect::<Vec<_>>();
-                self.custom_functions_handler.handle(name, &parameters)
+                self.custom_functions_handler
+                    .handle(name, &parameters)
                     .and_then(|term| self.dataset.encoder().encode_term(&term).ok())
             }
         }

lib/src/sparql/mod.rs

@@ -9,7 +9,7 @@ mod plan;
 mod plan_builder;
 mod xml_results;
 
-use crate::model::{NamedNode,Term};
+use crate::model::{NamedNode, Term};
 use crate::sparql::algebra::QueryVariants;
 use crate::sparql::eval::SimpleEvaluator;
 use crate::sparql::parser::read_sparql_query;
@@ -70,7 +70,12 @@ impl<'a, S: StoreConnection + 'a> SimplePreparedQuery<S> {
                 SimplePreparedQueryAction::Select {
                     plan,
                     variables,
-                    evaluator: SimpleEvaluator::new(dataset, base_iri, options.service_handler, options.custom_functions_handler),
+                    evaluator: SimpleEvaluator::new(
+                        dataset,
+                        base_iri,
+                        options.service_handler,
+                        options.custom_functions_handler,
+                    ),
                 }
             }
             QueryVariants::Ask {
@@ -81,7 +86,12 @@ impl<'a, S: StoreConnection + 'a> SimplePreparedQuery<S> {
                 let (plan, _) = PlanBuilder::build(dataset.encoder(), &algebra)?;
                 SimplePreparedQueryAction::Ask {
                     plan,
-                    evaluator: SimpleEvaluator::new(dataset, base_iri, options.service_handler, options.custom_functions_handler),
+                    evaluator: SimpleEvaluator::new(
+                        dataset,
+                        base_iri,
+                        options.service_handler,
+                        options.custom_functions_handler,
+                    ),
                 }
             }
             QueryVariants::Construct {
@@ -98,7 +108,12 @@ impl<'a, S: StoreConnection + 'a> SimplePreparedQuery<S> {
                         &construct,
                         variables,
                     )?,
-                    evaluator: SimpleEvaluator::new(dataset, base_iri, options.service_handler, options.custom_functions_handler),
+                    evaluator: SimpleEvaluator::new(
+                        dataset,
+                        base_iri,
+                        options.service_handler,
+                        options.custom_functions_handler,
+                    ),
                 }
             }
             QueryVariants::Describe {
@@ -109,7 +124,12 @@ impl<'a, S: StoreConnection + 'a> SimplePreparedQuery<S> {
                 let (plan, _) = PlanBuilder::build(dataset.encoder(), &algebra)?;
                 SimplePreparedQueryAction::Describe {
                     plan,
-                    evaluator: SimpleEvaluator::new(dataset, base_iri, options.service_handler, options.custom_functions_handler),
+                    evaluator: SimpleEvaluator::new(
+                        dataset,
+                        base_iri,
+                        options.service_handler,
+                        options.custom_functions_handler,
+                    ),
                 }
             }
         }))
@@ -131,7 +151,12 @@ impl<'a, S: StoreConnection + 'a> SimplePreparedQuery<S> {
         Ok(Self(SimplePreparedQueryAction::Select {
             plan,
             variables,
-            evaluator: SimpleEvaluator::new(dataset, base_iri, options.service_handler, options.custom_functions_handler),
+            evaluator: SimpleEvaluator::new(
+                dataset,
+                base_iri,
+                options.service_handler,
+                options.custom_functions_handler,
+            ),
         }))
     }
 }
@@ -185,7 +210,6 @@ impl ServiceHandler for EmptyServiceHandler {
     }
 }
 
-
 /// Handler for custom functions.
 ///
 /// For example, the following query uses a custom function to reverse a string:
@@ -207,14 +231,14 @@ pub trait CustomFunctionsHandler {
     /// and would recieve one parameter with the value mapped to ?name
     ///
     /// Returns `None` if there is an error or the given NamedNode isn't recognized
-    fn handle(&self, node: &NamedNode, parameters: &Vec<Option<Term>>) -> Option<Term>; 
+    fn handle(&self, node: &NamedNode, parameters: &[Option<Term>]) -> Option<Term>;
 }
 
 #[derive(Default)]
 struct EmptyCustomFunctionsHandler {}
 
 impl CustomFunctionsHandler for EmptyCustomFunctionsHandler {
-    fn handle(&self, _node: &NamedNode, _parameters: &Vec<Option<Term>>) -> Option<Term> {
+    fn handle(&self, _node: &NamedNode, _parameters: &[Option<Term>]) -> Option<Term> {
         None
     }
 }
@@ -258,12 +282,13 @@ impl<'a> QueryOptions<'a> {
     }
 
     /// Set a CustomFunctionHandler to add your own functions
-    pub fn with_custom_functions_handler(mut self, custom_functions_handler: Box<dyn CustomFunctionsHandler>) -> Self {
+    pub fn with_custom_functions_handler(
+        mut self,
+        custom_functions_handler: Box<dyn CustomFunctionsHandler>,
+    ) -> Self {
         self.custom_functions_handler = custom_functions_handler;
         self
     }
-
-
 }
 
 /// A parsed [SPARQL query](https://www.w3.org/TR/sparql11-query/)

lib/src/sparql/plan.rs

@@ -1,7 +1,7 @@
 use crate::model::NamedNode;
-use crate::sparql::GraphPattern;
-use crate::sparql::model::Variable;
 use crate::sparql::eval::StringOrStoreString;
+use crate::sparql::model::Variable;
+use crate::sparql::GraphPattern;
 use crate::store::numeric_encoder::{
     EncodedQuad, EncodedTerm, Encoder, MemoryStrStore, StrContainer, StrLookup,
     ENCODED_DEFAULT_GRAPH,
@@ -309,7 +309,7 @@ pub enum PlanExpression {
     StringCast(Box<PlanExpression>),
     CustomFunction {
         name: NamedNode,
-        parameters: Vec<PlanExpression>
+        parameters: Vec<PlanExpression>,
     },
 }
 
@@ -420,7 +420,7 @@ impl PlanExpression {
                     e.add_variables(set);
                 }
             }
-            PlanExpression::CustomFunction{ parameters, .. } => {
+            PlanExpression::CustomFunction { parameters, .. } => {
                 for p in parameters {
                     p.add_variables(set);
                 }

lib/src/sparql/plan_builder.rs

@@ -646,7 +646,10 @@ impl<E: Encoder> PlanBuilder<E> {
                         )?
                     } else {
                         let parameters = self.expression_list(parameters, variables, graph_name)?;
-                        PlanExpression::CustomFunction { name: name.clone(), parameters }
+                        PlanExpression::CustomFunction {
+                            name: name.clone(),
+                            parameters,
+                        }
                     }
                 }
             },

lib/tests/custom_functions_test_cases.rs

@@ -6,11 +6,10 @@ use support::*;
 
 #[test]
 fn simple_custom_function_test() {
-
     struct TestHandler;
 
     impl CustomFunctionsHandler for TestHandler {
-    fn handle(&self, node: &NamedNode, parameters: &Vec<Option<Term>>) -> Option<Term> {
+        fn handle(&self, node: &NamedNode, parameters: &[Option<Term>]) -> Option<Term> {
             let reverse = NamedNode::parse("http://example.com#REVERSE").ok()?;
             if *node == reverse {
                 let param = &parameters[0];
@@ -38,27 +37,35 @@ fn simple_custom_function_test() {
       BIND(ex:REVERSE(?name) as ?reverse)
     }
   ORDER BY ?name
-  "#.to_string();
-
+  "#
+    .to_string();
 
     let options = QueryOptions::default().with_custom_functions_handler(Box::new(TestHandler));
     let triples = br#"
     <http://example.com/bob> <http://xmlns.com/foaf/0.1/name> "Bob" .
     <http://example.com/alice> <http://xmlns.com/foaf/0.1/name> "Alice" .
-    "#.as_ref();
+    "#
+    .as_ref();
     let results = do_query(triples, query, options).unwrap();
-  let collected = results.into_values_iter().map(move |b| b.unwrap()).collect::<Vec<_>>();
+    let collected = results
+        .into_values_iter()
+        .map(move |b| b.unwrap())
+        .collect::<Vec<_>>();
     let solution = vec![
-      vec![ Some(literal(String::from("Alice"))), Some(literal(String::from("ecilA"))) ],
-      vec![ Some(literal(String::from("Bob"))), Some(literal(String::from("boB"))) ],
+        vec![
+            Some(literal(String::from("Alice"))),
+            Some(literal(String::from("ecilA"))),
+        ],
+        vec![
+            Some(literal(String::from("Bob"))),
+            Some(literal(String::from("boB"))),
+        ],
     ];
     assert_eq!(collected, solution);
-  
 }
 
 #[test]
 fn simple_default_custom_function_test() {
-
     let query = r#"
   PREFIX ex: <http://example.com#>
   SELECT ?name ?reverse
@@ -68,20 +75,23 @@ fn simple_default_custom_function_test() {
       BIND(ex:REVERSE(?name) as ?reverse)
     }
   ORDER BY ?name
-  "#.to_string();
-
+  "#
+    .to_string();
 
     let options = QueryOptions::default();
     let triples = br#"
     <http://example.com/bob> <http://xmlns.com/foaf/0.1/name> "Bob" .
     <http://example.com/alice> <http://xmlns.com/foaf/0.1/name> "Alice" .
-    "#.as_ref();
+    "#
+    .as_ref();
     let results = do_query(triples, query, options).unwrap();
-  let collected = results.into_values_iter().map(move |b| b.unwrap()).collect::<Vec<_>>();
+    let collected = results
+        .into_values_iter()
+        .map(move |b| b.unwrap())
+        .collect::<Vec<_>>();
     let solution = vec![
-      vec![ Some(literal(String::from("Alice"))), None ],
-      vec![ Some(literal(String::from("Bob"))), None ],
+        vec![Some(literal(String::from("Alice"))), None],
+        vec![Some(literal(String::from("Bob"))), None],
     ];
     assert_eq!(collected, solution);
-  
 }

lib/tests/service_test_cases.rs

@@ -1,8 +1,6 @@
 use failure::format_err;
 use rudf::model::*;
-use rudf::sparql::{
-    BindingsIterator, GraphPattern, QueryOptions, ServiceHandler,
-};
+use rudf::sparql::{BindingsIterator, GraphPattern, QueryOptions, ServiceHandler};
 use rudf::Result;
 
 mod support;

lib/tests/support/mod.rs

@@ -6,7 +6,6 @@ use rudf::sparql::{BindingsIterator, GraphPattern, PreparedQuery, QueryOptions,
 use rudf::{GraphSyntax, MemoryRepository, Repository, RepositoryConnection, Result};
 use std::io::BufRead;
 
-
 pub(crate) fn ex(id: String) -> Term {
     Term::NamedNode(NamedNode::parse(format!("http://example.com/{}", &id)).unwrap())
 }