Simplifies rio package architecture

lib/src/rio.rs

@@ -1,12 +1,47 @@
-//! Wrapper for RIO parsers
+//! Implementations of serializers and deserializers for usual RDF syntaxes
 
 use crate::model::*;
 use crate::Result;
 use rio_api::model as rio;
+use rio_api::parser::TripleParser;
+use rio_turtle::{NTriplesParser, TurtleParser};
+use rio_xml::RdfXmlParser;
 use std::collections::BTreeMap;
+use std::io::BufRead;
 use std::str::FromStr;
+use url::Url;
 
-pub fn convert_triple(
+/// Reads a [N-Triples](https://www.w3.org/TR/n-triples/) file from a Rust `BufRead` and returns an iterator of the read `Triple`s
+pub fn read_ntriples<R: BufRead>(reader: R) -> Result<impl Iterator<Item = Result<Triple>>> {
+    let mut bnode_map = BTreeMap::default();
+    Ok(NTriplesParser::new(reader)?.into_iter(move |t| convert_triple(t, &mut bnode_map)))
+}
+
+/// Reads a [Turtle](https://www.w3.org/TR/turtle/) file from a Rust `BufRead` and returns an iterator of the read `Triple`s
+pub fn read_turtle<R: BufRead>(
+    reader: R,
+    base_url: Option<Url>,
+) -> Result<impl Iterator<Item = Result<Triple>>> {
+    let mut bnode_map = BTreeMap::default();
+    Ok(
+        TurtleParser::new(reader, base_url.as_ref().map_or("", |url| url.as_str()))?
+            .into_iter(move |t| convert_triple(t, &mut bnode_map)),
+    )
+}
+
+/// Reads a [RDF XML](https://www.w3.org/TR/rdf-syntax-grammar/) file from a Rust `BufRead` and returns an iterator of the read `Triple`s
+pub fn read_rdf_xml<R: BufRead>(
+    reader: R,
+    base_url: Option<Url>,
+) -> Result<impl Iterator<Item = Result<Triple>>> {
+    let mut bnode_map = BTreeMap::default();
+    Ok(
+        RdfXmlParser::new(reader, base_url.as_ref().map_or("", |url| url.as_str()))?
+            .into_iter(move |t| convert_triple(t, &mut bnode_map)),
+    )
+}
+
+fn convert_triple(
     value: rio::Triple,
     bnodes_map: &mut BTreeMap<String, BlankNode>,
 ) -> Result<Triple> {

lib/src/rio/mod.rs

@@ -1,6 +0,0 @@
-//! Implementations of serializers and deserializers for usual RDF syntaxes
-
-pub mod ntriples;
-mod rio;
-pub mod turtle;
-pub mod xml;

lib/src/rio/ntriples.rs

@@ -1,15 +0,0 @@
-//! Implementation of [N-Triples](https://www.w3.org/TR/n-triples/) RDF syntax
-
-use crate::model::Triple;
-use crate::rio::rio::convert_triple;
-use crate::Result;
-use rio_api::parser::TripleParser;
-use rio_turtle::NTriplesParser;
-use std::collections::BTreeMap;
-use std::io::BufRead;
-
-/// Reads a [N-Triples](https://www.w3.org/TR/n-triples/) file from a Rust `BufRead` and returns an iterator of the read `Triple`s
-pub fn read_ntriples<R: BufRead>(reader: R) -> Result<impl Iterator<Item = Result<Triple>>> {
-    let mut bnode_map = BTreeMap::default();
-    Ok(NTriplesParser::new(reader)?.into_iter(move |t| convert_triple(t, &mut bnode_map)))
-}

lib/src/rio/turtle.rs

@@ -1,22 +0,0 @@
-//! Implementation of [Turtle](https://www.w3.org/TR/turtle/) RDF syntax
-
-use crate::model::Triple;
-use crate::rio::rio::convert_triple;
-use crate::Result;
-use rio_api::parser::TripleParser;
-use rio_turtle::TurtleParser;
-use std::collections::BTreeMap;
-use std::io::BufRead;
-use url::Url;
-
-/// Reads a [Turtle](https://www.w3.org/TR/turtle/) file from a Rust `BufRead` and returns an iterator of the read `Triple`s
-pub fn read_turtle<R: BufRead>(
-    reader: R,
-    base_url: Option<Url>,
-) -> Result<impl Iterator<Item = Result<Triple>>> {
-    let mut bnode_map = BTreeMap::default();
-    Ok(
-        TurtleParser::new(reader, base_url.as_ref().map_or("", |url| url.as_str()))?
-            .into_iter(move |t| convert_triple(t, &mut bnode_map)),
-    )
-}

lib/src/rio/xml.rs

@@ -1,22 +0,0 @@
-//! Implementation of [RDF XML](https://www.w3.org/TR/rdf-syntax-grammar/) syntax
-
-use crate::model::Triple;
-use crate::rio::rio::convert_triple;
-use crate::Result;
-use rio_api::parser::TripleParser;
-use rio_xml::RdfXmlParser;
-use std::collections::BTreeMap;
-use std::io::BufRead;
-use url::Url;
-
-/// Reads a [RDF XML](https://www.w3.org/TR/rdf-syntax-grammar/)  file from a Rust `BufRead` and returns an iterator of the read `Triple`s
-pub fn read_rdf_xml<R: BufRead>(
-    reader: R,
-    base_url: Option<Url>,
-) -> Result<impl Iterator<Item = Result<Triple>>> {
-    let mut bnode_map = BTreeMap::default();
-    Ok(
-        RdfXmlParser::new(reader, base_url.as_ref().map_or("", |url| url.as_str()))?
-            .into_iter(move |t| convert_triple(t, &mut bnode_map)),
-    )
-}

lib/tests/rdf_test_cases.rs

@@ -3,9 +3,9 @@ use failure::format_err;
 use rudf::model::vocab::rdf;
 use rudf::model::vocab::rdfs;
 use rudf::model::*;
-use rudf::rio::ntriples::read_ntriples;
-use rudf::rio::turtle::read_turtle;
-use rudf::rio::xml::read_rdf_xml;
+use rudf::rio::read_ntriples;
+use rudf::rio::read_rdf_xml;
+use rudf::rio::read_turtle;
 use rudf::Result;
 use std::fmt;
 use std::fs::File;

lib/tests/sparql_test_cases.rs

@@ -3,8 +3,8 @@ use failure::format_err;
 use rudf::model::vocab::rdf;
 use rudf::model::vocab::rdfs;
 use rudf::model::*;
-use rudf::rio::turtle::read_turtle;
-use rudf::rio::xml::read_rdf_xml;
+use rudf::rio::read_rdf_xml;
+use rudf::rio::read_turtle;
 use rudf::sparql::algebra::Query;
 use rudf::sparql::algebra::QueryResult;
 use rudf::sparql::parser::read_sparql_query;

server/src/main.rs

@@ -28,7 +28,7 @@ use lazy_static::lazy_static;
 use mime;
 use mime::Mime;
 use rudf::model::Graph;
-use rudf::rio::ntriples::read_ntriples;
+use rudf::rio::read_ntriples;
 use rudf::sparql::algebra::QueryResult;
 use rudf::sparql::xml_results::write_xml_results;
 use rudf::sparql::PreparedQuery;