Error renaming

```
enum sparesults::error::ParseError -> QueryResultsParseError
struct sparesults::error::SyntaxError -> QueryResultsSyntaxError
    Inlined inner

enum oxrdfxml::error::ParseError -> RdfXmlParseError
struct oxrdfxml::error::SyntaxError -> RdfXmlSyntaxError

enum oxttl::toolkit::error::ParseError -> TurtleParseError
struct oxttl::toolkit::error::SyntaxError -> TurtleSyntaxError

enum oxrdfio::error::ParseError -> RdfParseError
struct oxrdfio::error::SyntaxError -> RdfSyntaxError

struct spargebra::parser::ParseError -> SparqlSyntaxError
enum spargebra::parser::ParseErrorKind
  Parser -> Syntax
```

Cargo.toml

@@ -70,11 +70,11 @@ zstd = ">=0.12, <0.14"
 # Internal dependencies
 oxigraph = { version = "0.4.0-alpha.3-dev", path = "lib/oxigraph" }
 oxrdf = { version = "0.2.0-alpha.2", path = "lib/oxrdf" }
-oxrdfio = { version = "0.1.0-alpha.2", path = "lib/oxrdfio" }
+oxrdfio = { version = "0.1.0-alpha.3-dev", path = "lib/oxrdfio" }
-oxrdfxml = { version = "0.1.0-alpha.2", path = "lib/oxrdfxml" }
+oxrdfxml = { version = "0.1.0-alpha.3-dev", path = "lib/oxrdfxml" }
 oxrocksdb-sys = { version = "0.4.0-alpha.3-dev", path = "./oxrocksdb-sys" }
 oxsdatatypes = { version = "0.2.0-alpha.1", path = "lib/oxsdatatypes" }
-oxttl = { version = "0.1.0-alpha.2", path = "lib/oxttl" }
+oxttl = { version = "0.1.0-alpha.3-dev", path = "lib/oxttl" }
 sparesults = { version = "0.2.0-alpha.2", path = "lib/sparesults" }
 spargebra = { version = "0.3.0-alpha.2", path = "lib/spargebra" }
 sparopt = { version = "0.1.0-alpha.2", path = "lib/sparopt" }

lib/oxigraph/src/io/read.rs

@@ -5,7 +5,7 @@
 use crate::io::{DatasetFormat, GraphFormat};
 use crate::model::*;
 use oxiri::IriParseError;
-use oxrdfio::{FromReadQuadReader, ParseError, RdfParser};
+use oxrdfio::{FromReadQuadReader, RdfParseError, RdfParser};
 use std::io::Read;
 
 /// Parsers for RDF graph serialization formats.
@@ -100,7 +100,7 @@ pub struct TripleReader<R: Read> {
 }
 
 impl<R: Read> Iterator for TripleReader<R> {
-    type Item = Result<Triple, ParseError>;
+    type Item = Result<Triple, RdfParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         Some(self.parser.next()?.map(Into::into).map_err(Into::into))
@@ -192,7 +192,7 @@ pub struct QuadReader<R: Read> {
 }
 
 impl<R: Read> Iterator for QuadReader<R> {
-    type Item = Result<Quad, ParseError>;
+    type Item = Result<Quad, RdfParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         Some(self.parser.next()?.map_err(Into::into))

lib/oxigraph/src/sparql/algebra.rs

@@ -38,7 +38,10 @@ pub struct Query {
 
 impl Query {
     /// Parses a SPARQL query with an optional base IRI to resolve relative IRIs in the query.
-    pub fn parse(query: &str, base_iri: Option<&str>) -> Result<Self, spargebra::ParseError> {
+    pub fn parse(
+        query: &str,
+        base_iri: Option<&str>,
+    ) -> Result<Self, spargebra::SparqlSyntaxError> {
         let start = Timer::now();
         let query = Self::from(spargebra::Query::parse(query, base_iri)?);
         Ok(Self {
@@ -66,7 +69,7 @@ impl fmt::Display for Query {
 }
 
 impl FromStr for Query {
-    type Err = spargebra::ParseError;
+    type Err = spargebra::SparqlSyntaxError;
 
     fn from_str(query: &str) -> Result<Self, Self::Err> {
         Self::parse(query, None)
@@ -74,7 +77,7 @@ impl FromStr for Query {
 }
 
 impl TryFrom<&str> for Query {
-    type Error = spargebra::ParseError;
+    type Error = spargebra::SparqlSyntaxError;
 
     fn try_from(query: &str) -> Result<Self, Self::Error> {
         Self::from_str(query)
@@ -82,7 +85,7 @@ impl TryFrom<&str> for Query {
 }
 
 impl TryFrom<&String> for Query {
-    type Error = spargebra::ParseError;
+    type Error = spargebra::SparqlSyntaxError;
 
     fn try_from(query: &String) -> Result<Self, Self::Error> {
         Self::from_str(query)
@@ -113,7 +116,7 @@ impl From<spargebra::Query> for Query {
 /// let update = Update::parse(update_str, None)?;
 ///
 /// assert_eq!(update.to_string().trim(), update_str);
-/// # Ok::<_, oxigraph::sparql::ParseError>(())
+/// # Ok::<_, oxigraph::sparql::SparqlSyntaxError>(())
 /// ```
 #[derive(Eq, PartialEq, Debug, Clone, Hash)]
 pub struct Update {
@@ -123,7 +126,10 @@ pub struct Update {
 
 impl Update {
     /// Parses a SPARQL update with an optional base IRI to resolve relative IRIs in the query.
-    pub fn parse(update: &str, base_iri: Option<&str>) -> Result<Self, spargebra::ParseError> {
+    pub fn parse(
+        update: &str,
+        base_iri: Option<&str>,
+    ) -> Result<Self, spargebra::SparqlSyntaxError> {
         let update = spargebra::Update::parse(update, base_iri)?;
         Ok(Self {
             using_datasets: update
@@ -159,7 +165,7 @@ impl fmt::Display for Update {
 }
 
 impl FromStr for Update {
-    type Err = spargebra::ParseError;
+    type Err = spargebra::SparqlSyntaxError;
 
     fn from_str(update: &str) -> Result<Self, Self::Err> {
         Self::parse(update, None)
@@ -167,7 +173,7 @@ impl FromStr for Update {
 }
 
 impl TryFrom<&str> for Update {
-    type Error = spargebra::ParseError;
+    type Error = spargebra::SparqlSyntaxError;
 
     fn try_from(update: &str) -> Result<Self, Self::Error> {
         Self::from_str(update)
@@ -175,7 +181,7 @@ impl TryFrom<&str> for Update {
 }
 
 impl TryFrom<&String> for Update {
-    type Error = spargebra::ParseError;
+    type Error = spargebra::SparqlSyntaxError;
 
     fn try_from(update: &String) -> Result<Self, Self::Error> {
         Self::from_str(update)

lib/oxigraph/src/sparql/error.rs

@@ -1,7 +1,7 @@
-use crate::io::ParseError as RdfParseError;
+use crate::io::RdfParseError;
 use crate::model::NamedNode;
-use crate::sparql::results::ParseError as ResultsParseError;
+use crate::sparql::results::QueryResultsParseError as ResultsParseError;
-use crate::sparql::ParseError;
+use crate::sparql::SparqlSyntaxError;
 use crate::storage::StorageError;
 use std::convert::Infallible;
 use std::error::Error;
@@ -13,7 +13,7 @@ use std::io;
 pub enum EvaluationError {
     /// An error in SPARQL parsing.
     #[error(transparent)]
-    Parsing(#[from] ParseError),
+    Parsing(#[from] SparqlSyntaxError),
     /// An error from the storage.
     #[error(transparent)]
     Storage(#[from] StorageError),

lib/oxigraph/src/sparql/mod.rs

@@ -25,7 +25,7 @@ use crate::storage::StorageReader;
 use json_event_parser::{JsonEvent, ToWriteJsonWriter};
 pub use oxrdf::{Variable, VariableNameParseError};
 use oxsdatatypes::{DayTimeDuration, Float};
-pub use spargebra::ParseError;
+pub use spargebra::SparqlSyntaxError;
 use sparopt::algebra::GraphPattern;
 use sparopt::Optimizer;
 use std::collections::HashMap;

lib/oxigraph/src/sparql/model.rs

@@ -2,8 +2,8 @@ use crate::io::{RdfFormat, RdfSerializer};
 use crate::model::*;
 use crate::sparql::error::EvaluationError;
 use crate::sparql::results::{
-    FromReadQueryResultsReader, FromReadSolutionsReader, ParseError, QueryResultsFormat,
+    FromReadQueryResultsReader, FromReadSolutionsReader, QueryResultsFormat,
-    QueryResultsParser, QueryResultsSerializer,
+    QueryResultsParseError, QueryResultsParser, QueryResultsSerializer,
 };
 use oxrdf::{Variable, VariableRef};
 pub use sparesults::QuerySolution;
@@ -22,7 +22,10 @@ pub enum QueryResults {
 
 impl QueryResults {
     /// Reads a SPARQL query results serialization.
-    pub fn read(read: impl Read + 'static, format: QueryResultsFormat) -> Result<Self, ParseError> {
+    pub fn read(
+        read: impl Read + 'static,
+        format: QueryResultsFormat,
+    ) -> Result<Self, QueryResultsParseError> {
         Ok(QueryResultsParser::from_format(format)
             .parse_read(read)?
             .into())

lib/oxigraph/src/storage/error.rs

@@ -1,4 +1,4 @@
-use crate::io::{ParseError, RdfFormat};
+use crate::io::{RdfFormat, RdfParseError};
 use crate::storage::numeric_encoder::EncodedTerm;
 use oxiri::IriParseError;
 use oxrdf::TermRef;
@@ -83,7 +83,7 @@ impl From<CorruptionError> for io::Error {
 pub enum LoaderError {
     /// An error raised while reading the file.
     #[error(transparent)]
-    Parsing(#[from] ParseError),
+    Parsing(#[from] RdfParseError),
     /// An error raised during the insertion in the store.
     #[error(transparent)]
     Storage(#[from] StorageError),

lib/oxigraph/src/store.rs

@@ -26,7 +26,7 @@
 //! # Result::<_, Box<dyn std::error::Error>>::Ok(())
 //! ```
 #[cfg(not(target_family = "wasm"))]
-use crate::io::ParseError;
+use crate::io::RdfParseError;
 use crate::io::{RdfFormat, RdfParser, RdfSerializer};
 use crate::model::*;
 use crate::sparql::{
@@ -1592,7 +1592,7 @@ impl Iterator for GraphNameIter {
 #[must_use]
 pub struct BulkLoader {
     storage: StorageBulkLoader,
-    on_parse_error: Option<Box<dyn Fn(ParseError) -> Result<(), ParseError>>>,
+    on_parse_error: Option<Box<dyn Fn(RdfParseError) -> Result<(), RdfParseError>>>,
 }
 
 #[cfg(not(target_family = "wasm"))]
@@ -1647,7 +1647,7 @@ impl BulkLoader {
     /// By default the parsing fails.
     pub fn on_parse_error(
         mut self,
-        callback: impl Fn(ParseError) -> Result<(), ParseError> + 'static,
+        callback: impl Fn(RdfParseError) -> Result<(), RdfParseError> + 'static,
     ) -> Self {
         self.on_parse_error = Some(Box::new(callback));
         self

lib/oxrdfio/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "oxrdfio"
-version = "0.1.0-alpha.2"
+version = "0.1.0-alpha.3-dev"
 authors.workspace = true
 license.workspace = true
 readme = "README.md"

lib/oxrdfio/src/error.rs

@@ -3,61 +3,61 @@ use std::ops::Range;
 
 /// Error returned during RDF format parsing.
 #[derive(Debug, thiserror::Error)]
-pub enum ParseError {
+pub enum RdfParseError {
     /// I/O error during parsing (file not found...).
     #[error(transparent)]
     Io(#[from] io::Error),
     /// An error in the file syntax.
     #[error(transparent)]
-    Syntax(#[from] SyntaxError),
+    Syntax(#[from] RdfSyntaxError),
 }
 
-impl ParseError {
+impl RdfParseError {
     pub(crate) fn msg(msg: &'static str) -> Self {
-        Self::Syntax(SyntaxError(SyntaxErrorKind::Msg(msg)))
+        Self::Syntax(RdfSyntaxError(SyntaxErrorKind::Msg(msg)))
     }
 }
 
-impl From<oxttl::SyntaxError> for SyntaxError {
+impl From<oxttl::TurtleSyntaxError> for RdfSyntaxError {
     #[inline]
-    fn from(error: oxttl::SyntaxError) -> Self {
+    fn from(error: oxttl::TurtleSyntaxError) -> Self {
         Self(SyntaxErrorKind::Turtle(error))
     }
 }
 
-impl From<oxttl::ParseError> for ParseError {
+impl From<oxttl::TurtleParseError> for RdfParseError {
     #[inline]
-    fn from(error: oxttl::ParseError) -> Self {
+    fn from(error: oxttl::TurtleParseError) -> Self {
         match error {
-            oxttl::ParseError::Syntax(e) => Self::Syntax(e.into()),
+            oxttl::TurtleParseError::Syntax(e) => Self::Syntax(e.into()),
-            oxttl::ParseError::Io(e) => Self::Io(e),
+            oxttl::TurtleParseError::Io(e) => Self::Io(e),
         }
     }
 }
 
-impl From<oxrdfxml::SyntaxError> for SyntaxError {
+impl From<oxrdfxml::RdfXmlSyntaxError> for RdfSyntaxError {
     #[inline]
-    fn from(error: oxrdfxml::SyntaxError) -> Self {
+    fn from(error: oxrdfxml::RdfXmlSyntaxError) -> Self {
         Self(SyntaxErrorKind::RdfXml(error))
     }
 }
 
-impl From<oxrdfxml::ParseError> for ParseError {
+impl From<oxrdfxml::RdfXmlParseError> for RdfParseError {
     #[inline]
-    fn from(error: oxrdfxml::ParseError) -> Self {
+    fn from(error: oxrdfxml::RdfXmlParseError) -> Self {
         match error {
-            oxrdfxml::ParseError::Syntax(e) => Self::Syntax(e.into()),
+            oxrdfxml::RdfXmlParseError::Syntax(e) => Self::Syntax(e.into()),
-            oxrdfxml::ParseError::Io(e) => Self::Io(e),
+            oxrdfxml::RdfXmlParseError::Io(e) => Self::Io(e),
         }
     }
 }
 
-impl From<ParseError> for io::Error {
+impl From<RdfParseError> for io::Error {
     #[inline]
-    fn from(error: ParseError) -> Self {
+    fn from(error: RdfParseError) -> Self {
         match error {
-            ParseError::Io(error) => error,
+            RdfParseError::Io(error) => error,
-            ParseError::Syntax(error) => error.into(),
+            RdfParseError::Syntax(error) => error.into(),
         }
     }
 }
@@ -65,20 +65,20 @@ impl From<ParseError> for io::Error {
 /// An error in the syntax of the parsed file.
 #[derive(Debug, thiserror::Error)]
 #[error(transparent)]
-pub struct SyntaxError(#[from] SyntaxErrorKind);
+pub struct RdfSyntaxError(#[from] SyntaxErrorKind);
 
 /// An error in the syntax of the parsed file.
 #[derive(Debug, thiserror::Error)]
 enum SyntaxErrorKind {
     #[error(transparent)]
-    Turtle(#[from] oxttl::SyntaxError),
+    Turtle(#[from] oxttl::TurtleSyntaxError),
     #[error(transparent)]
-    RdfXml(#[from] oxrdfxml::SyntaxError),
+    RdfXml(#[from] oxrdfxml::RdfXmlSyntaxError),
     #[error("{0}")]
     Msg(&'static str),
 }
 
-impl SyntaxError {
+impl RdfSyntaxError {
     /// The location of the error inside of the file.
     #[inline]
     pub fn location(&self) -> Option<Range<TextPosition>> {
@@ -102,9 +102,9 @@ impl SyntaxError {
     }
 }
 
-impl From<SyntaxError> for io::Error {
+impl From<RdfSyntaxError> for io::Error {
     #[inline]
-    fn from(error: SyntaxError) -> Self {
+    fn from(error: RdfSyntaxError) -> Self {
         match error.0 {
             SyntaxErrorKind::Turtle(error) => error.into(),
             SyntaxErrorKind::RdfXml(error) => error.into(),

lib/oxrdfio/src/lib.rs

@@ -9,7 +9,7 @@ mod format;
 mod parser;
 mod serializer;
 
-pub use error::{ParseError, SyntaxError, TextPosition};
+pub use error::{RdfParseError, RdfSyntaxError, TextPosition};
 pub use format::RdfFormat;
 #[cfg(feature = "async-tokio")]
 pub use parser::FromTokioAsyncReadQuadReader;

lib/oxrdfio/src/parser.rs

@@ -1,6 +1,6 @@
 //! Utilities to read RDF graphs and datasets.
 
-pub use crate::error::ParseError;
+pub use crate::error::RdfParseError;
 use crate::format::RdfFormat;
 use oxrdf::{BlankNode, GraphName, IriParseError, Quad, Subject, Term, Triple};
 #[cfg(feature = "async-tokio")]
@@ -310,7 +310,7 @@ impl RdfParser {
     /// use oxrdfio::{RdfFormat, RdfParser};
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxrdfio::ParseError> {
+    /// # async fn main() -> Result<(), oxrdfio::RdfParseError> {
     /// let file = "<http://example.com/s> <http://example.com/p> <http://example.com/o> .";
     ///
     /// let parser = RdfParser::from_format(RdfFormat::NTriples);
@@ -396,7 +396,7 @@ enum FromReadQuadReaderKind<R: Read> {
 }
 
 impl<R: Read> Iterator for FromReadQuadReader<R> {
-    type Item = Result<Quad, ParseError>;
+    type Item = Result<Quad, RdfParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         Some(match &mut self.parser {
@@ -507,7 +507,7 @@ impl<R: Read> FromReadQuadReader<R> {
 /// use oxrdfio::{RdfFormat, RdfParser};
 ///
 /// # #[tokio::main(flavor = "current_thread")]
-/// # async fn main() -> Result<(), oxrdfio::ParseError> {
+/// # async fn main() -> Result<(), oxrdfio::RdfParseError> {
 /// let file = "<http://example.com/s> <http://example.com/p> <http://example.com/o> .";
 ///
 /// let parser = RdfParser::from_format(RdfFormat::NTriples);
@@ -537,7 +537,7 @@ enum FromTokioAsyncReadQuadReaderKind<R: AsyncRead + Unpin> {
 
 #[cfg(feature = "async-tokio")]
 impl<R: AsyncRead + Unpin> FromTokioAsyncReadQuadReader<R> {
-    pub async fn next(&mut self) -> Option<Result<Quad, ParseError>> {
+    pub async fn next(&mut self) -> Option<Result<Quad, RdfParseError>> {
         Some(match &mut self.parser {
             FromTokioAsyncReadQuadReaderKind::N3(parser) => match parser.next().await? {
                 Ok(quad) => self.mapper.map_n3_quad(quad),
@@ -578,7 +578,7 @@ impl<R: AsyncRead + Unpin> FromTokioAsyncReadQuadReader<R> {
     /// use oxrdfio::{RdfFormat, RdfParser};
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -618,7 +618,7 @@ impl<R: AsyncRead + Unpin> FromTokioAsyncReadQuadReader<R> {
     /// use oxrdfio::{RdfFormat, RdfParser};
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -728,18 +728,18 @@ impl QuadMapper {
         }
     }
 
-    fn map_graph_name(&mut self, graph_name: GraphName) -> Result<GraphName, ParseError> {
+    fn map_graph_name(&mut self, graph_name: GraphName) -> Result<GraphName, RdfParseError> {
         match graph_name {
             GraphName::NamedNode(node) => {
                 if self.without_named_graphs {
-                    Err(ParseError::msg("Named graphs are not allowed"))
+                    Err(RdfParseError::msg("Named graphs are not allowed"))
                 } else {
                     Ok(node.into())
                 }
             }
             GraphName::BlankNode(node) => {
                 if self.without_named_graphs {
-                    Err(ParseError::msg("Named graphs are not allowed"))
+                    Err(RdfParseError::msg("Named graphs are not allowed"))
                 } else {
                     Ok(self.map_blank_node(node).into())
                 }
@@ -748,7 +748,7 @@ impl QuadMapper {
         }
     }
 
-    fn map_quad(&mut self, quad: Quad) -> Result<Quad, ParseError> {
+    fn map_quad(&mut self, quad: Quad) -> Result<Quad, RdfParseError> {
         Ok(Quad {
             subject: self.map_subject(quad.subject),
             predicate: quad.predicate,
@@ -761,33 +761,33 @@ impl QuadMapper {
         self.map_triple(triple).in_graph(self.default_graph.clone())
     }
 
-    fn map_n3_quad(&mut self, quad: N3Quad) -> Result<Quad, ParseError> {
+    fn map_n3_quad(&mut self, quad: N3Quad) -> Result<Quad, RdfParseError> {
         Ok(Quad {
             subject: match quad.subject {
                 N3Term::NamedNode(s) => Ok(s.into()),
                 N3Term::BlankNode(s) => Ok(self.map_blank_node(s).into()),
-                N3Term::Literal(_) => Err(ParseError::msg(
+                N3Term::Literal(_) => Err(RdfParseError::msg(
                     "literals are not allowed in regular RDF subjects",
                 )),
                 #[cfg(feature = "rdf-star")]
                 N3Term::Triple(s) => Ok(self.map_triple(*s).into()),
-                N3Term::Variable(_) => Err(ParseError::msg(
+                N3Term::Variable(_) => Err(RdfParseError::msg(
                     "variables are not allowed in regular RDF subjects",
                 )),
             }?,
             predicate: match quad.predicate {
                 N3Term::NamedNode(p) => Ok(p),
-                N3Term::BlankNode(_) => Err(ParseError::msg(
+                N3Term::BlankNode(_) => Err(RdfParseError::msg(
                     "blank nodes are not allowed in regular RDF predicates",
                 )),
-                N3Term::Literal(_) => Err(ParseError::msg(
+                N3Term::Literal(_) => Err(RdfParseError::msg(
                     "literals are not allowed in regular RDF predicates",
                 )),
                 #[cfg(feature = "rdf-star")]
-                N3Term::Triple(_) => Err(ParseError::msg(
+                N3Term::Triple(_) => Err(RdfParseError::msg(
                     "quoted triples are not allowed in regular RDF predicates",
                 )),
-                N3Term::Variable(_) => Err(ParseError::msg(
+                N3Term::Variable(_) => Err(RdfParseError::msg(
                     "variables are not allowed in regular RDF predicates",
                 )),
             }?,
@@ -797,7 +797,7 @@ impl QuadMapper {
                 N3Term::Literal(o) => Ok(o.into()),
                 #[cfg(feature = "rdf-star")]
                 N3Term::Triple(o) => Ok(self.map_triple(*o).into()),
-                N3Term::Variable(_) => Err(ParseError::msg(
+                N3Term::Variable(_) => Err(RdfParseError::msg(
                     "variables are not allowed in regular RDF objects",
                 )),
             }?,

lib/oxrdfxml/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "oxrdfxml"
-version = "0.1.0-alpha.2"
+version = "0.1.0-alpha.3-dev"
 authors.workspace = true
 license.workspace = true
 readme = "README.md"

lib/oxrdfxml/src/error.rs

@@ -5,33 +5,33 @@ use std::sync::Arc;
 
 /// Error returned during RDF/XML parsing.
 #[derive(Debug, thiserror::Error)]
-pub enum ParseError {
+pub enum RdfXmlParseError {
     /// I/O error during parsing (file not found...).
     #[error(transparent)]
     Io(#[from] io::Error),
     /// An error in the file syntax.
     #[error(transparent)]
-    Syntax(#[from] SyntaxError),
+    Syntax(#[from] RdfXmlSyntaxError),
 }
 
-impl From<ParseError> for io::Error {
+impl From<RdfXmlParseError> for io::Error {
     #[inline]
-    fn from(error: ParseError) -> Self {
+    fn from(error: RdfXmlParseError) -> Self {
         match error {
-            ParseError::Io(error) => error,
+            RdfXmlParseError::Io(error) => error,
-            ParseError::Syntax(error) => error.into(),
+            RdfXmlParseError::Syntax(error) => error.into(),
         }
     }
 }
 
-impl From<quick_xml::Error> for ParseError {
+impl From<quick_xml::Error> for RdfXmlParseError {
     #[inline]
     fn from(error: quick_xml::Error) -> Self {
         match error {
             quick_xml::Error::Io(error) => {
                 Self::Io(Arc::try_unwrap(error).unwrap_or_else(|e| io::Error::new(e.kind(), e)))
             }
-            _ => Self::Syntax(SyntaxError(SyntaxErrorKind::Xml(error))),
+            _ => Self::Syntax(RdfXmlSyntaxError(SyntaxErrorKind::Xml(error))),
         }
     }
 }
@@ -39,7 +39,7 @@ impl From<quick_xml::Error> for ParseError {
 /// An error in the syntax of the parsed file.
 #[derive(Debug, thiserror::Error)]
 #[error(transparent)]
-pub struct SyntaxError(#[from] pub(crate) SyntaxErrorKind);
+pub struct RdfXmlSyntaxError(#[from] pub(crate) SyntaxErrorKind);
 
 #[derive(Debug, thiserror::Error)]
 pub enum SyntaxErrorKind {
@@ -61,7 +61,7 @@ pub enum SyntaxErrorKind {
     Msg(String),
 }
 
-impl SyntaxError {
+impl RdfXmlSyntaxError {
     /// Builds an error from a printable error message.
     #[inline]
     pub(crate) fn msg(msg: impl Into<String>) -> Self {
@@ -69,9 +69,9 @@ impl SyntaxError {
     }
 }
 
-impl From<SyntaxError> for io::Error {
+impl From<RdfXmlSyntaxError> for io::Error {
     #[inline]
-    fn from(error: SyntaxError) -> Self {
+    fn from(error: RdfXmlSyntaxError) -> Self {
         match error.0 {
             SyntaxErrorKind::Xml(error) => match error {
                 quick_xml::Error::Io(error) => {

lib/oxrdfxml/src/lib.rs

@@ -9,7 +9,7 @@ mod parser;
 mod serializer;
 mod utils;
 
-pub use error::{ParseError, SyntaxError};
+pub use error::{RdfXmlParseError, RdfXmlSyntaxError};
 #[cfg(feature = "async-tokio")]
 pub use parser::FromTokioAsyncReadRdfXmlReader;
 pub use parser::{FromReadRdfXmlReader, RdfXmlParser};

lib/oxrdfxml/src/parser.rs

@@ -1,4 +1,4 @@
-use crate::error::{ParseError, SyntaxError, SyntaxErrorKind};
+use crate::error::{RdfXmlParseError, RdfXmlSyntaxError, SyntaxErrorKind};
 use crate::utils::*;
 use oxilangtag::LanguageTag;
 use oxiri::{Iri, IriParseError};
@@ -126,7 +126,7 @@ impl RdfXmlParser {
     /// use oxrdfxml::RdfXmlParser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxrdfxml::ParseError> {
+    /// # async fn main() -> Result<(), oxrdfxml::RdfXmlParseError> {
     /// let file = br#"<?xml version="1.0"?>
     /// <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:schema="http://schema.org/">
     ///   <rdf:Description rdf:about="http://example.com/foo">
@@ -214,7 +214,7 @@ pub struct FromReadRdfXmlReader<R: Read> {
 }
 
 impl<R: Read> Iterator for FromReadRdfXmlReader<R> {
-    type Item = Result<Triple, ParseError>;
+    type Item = Result<Triple, RdfXmlParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         loop {
@@ -236,7 +236,7 @@ impl<R: Read> FromReadRdfXmlReader<R> {
         self.reader.reader.buffer_position()
     }
 
-    fn parse_step(&mut self) -> Result<(), ParseError> {
+    fn parse_step(&mut self) -> Result<(), RdfXmlParseError> {
         self.reader_buffer.clear();
         let event = self
             .reader
@@ -255,7 +255,7 @@ impl<R: Read> FromReadRdfXmlReader<R> {
 /// use oxrdfxml::RdfXmlParser;
 ///
 /// # #[tokio::main(flavor = "current_thread")]
-/// # async fn main() -> Result<(), oxrdfxml::ParseError> {
+/// # async fn main() -> Result<(), oxrdfxml::RdfXmlParseError> {
 /// let file = br#"<?xml version="1.0"?>
 /// <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:schema="http://schema.org/">
 ///   <rdf:Description rdf:about="http://example.com/foo">
@@ -289,7 +289,7 @@ pub struct FromTokioAsyncReadRdfXmlReader<R: AsyncRead + Unpin> {
 #[cfg(feature = "async-tokio")]
 impl<R: AsyncRead + Unpin> FromTokioAsyncReadRdfXmlReader<R> {
     /// Reads the next triple or returns `None` if the file is finished.
-    pub async fn next(&mut self) -> Option<Result<Triple, ParseError>> {
+    pub async fn next(&mut self) -> Option<Result<Triple, RdfXmlParseError>> {
         loop {
             if let Some(triple) = self.results.pop() {
                 return Some(Ok(triple));
@@ -307,7 +307,7 @@ impl<R: AsyncRead + Unpin> FromTokioAsyncReadRdfXmlReader<R> {
         self.reader.reader.buffer_position()
     }
 
-    async fn parse_step(&mut self) -> Result<(), ParseError> {
+    async fn parse_step(&mut self) -> Result<(), RdfXmlParseError> {
         self.reader_buffer.clear();
         let event = self
             .reader
@@ -440,20 +440,21 @@ impl<R> RdfXmlReader<R> {
         &mut self,
         event: Event<'_>,
         results: &mut Vec<Triple>,
-    ) -> Result<(), ParseError> {
+    ) -> Result<(), RdfXmlParseError> {
         match event {
             Event::Start(event) => self.parse_start_event(&event, results),
             Event::End(event) => self.parse_end_event(&event, results),
-            Event::Empty(_) => {
+            Event::Empty(_) => Err(RdfXmlSyntaxError::msg(
-                Err(SyntaxError::msg("The expand_empty_elements option must be enabled").into())
+                "The expand_empty_elements option must be enabled",
-            }
+            )
+            .into()),
             Event::Text(event) => self.parse_text_event(&event),
             Event::CData(event) => self.parse_text_event(&event.escape()?),
             Event::Comment(_) | Event::PI(_) => Ok(()),
             Event::Decl(decl) => {
                 if let Some(encoding) = decl.encoding() {
                     if !is_utf8(&encoding?) {
-                        return Err(SyntaxError::msg(
+                        return Err(RdfXmlSyntaxError::msg(
                             "Only UTF-8 is supported by the RDF/XML parser",
                         )
                         .into());
@@ -469,7 +470,7 @@ impl<R> RdfXmlReader<R> {
         }
     }
 
-    fn parse_doctype(&mut self, dt: &BytesText<'_>) -> Result<(), ParseError> {
+    fn parse_doctype(&mut self, dt: &BytesText<'_>) -> Result<(), RdfXmlParseError> {
         // we extract entities
         for input in self
             .reader
@@ -481,20 +482,20 @@ impl<R> RdfXmlReader<R> {
             if let Some(input) = input.strip_prefix("!ENTITY") {
                 let input = input.trim_start().strip_prefix('%').unwrap_or(input);
                 let (entity_name, input) = input.trim_start().split_once(|c: char| c.is_ascii_whitespace()).ok_or_else(|| {
-                    SyntaxError::msg(
+                    RdfXmlSyntaxError::msg(
                         "<!ENTITY declarations should contain both an entity name and an entity value",
                     )
                 })?;
                 let input = input.trim_start().strip_prefix('\"').ok_or_else(|| {
-                    SyntaxError::msg("<!ENTITY values should be enclosed in double quotes")
+                    RdfXmlSyntaxError::msg("<!ENTITY values should be enclosed in double quotes")
                 })?;
                 let (entity_value, input) = input.split_once('"').ok_or_else(|| {
-                    SyntaxError::msg(
+                    RdfXmlSyntaxError::msg(
                         "<!ENTITY declarations values should be enclosed in double quotes",
                     )
                 })?;
                 input.trim_start().strip_prefix('>').ok_or_else(|| {
-                    SyntaxError::msg("<!ENTITY declarations values should end with >")
+                    RdfXmlSyntaxError::msg("<!ENTITY declarations values should end with >")
                 })?;
 
                 // Resolves custom entities within the current entity definition.
@@ -511,7 +512,7 @@ impl<R> RdfXmlReader<R> {
         &mut self,
         event: &BytesStart<'_>,
         results: &mut Vec<Triple>,
-    ) -> Result<(), ParseError> {
+    ) -> Result<(), RdfXmlParseError> {
         #[derive(PartialEq, Eq)]
         enum RdfXmlParseType {
             Default,
@@ -576,7 +577,10 @@ impl<R> RdfXmlReader<R> {
                     } else {
                         LanguageTag::parse(tag.to_ascii_lowercase())
                             .map_err(|error| {
-                                SyntaxError(SyntaxErrorKind::InvalidLanguageTag { tag, error })
+                                RdfXmlSyntaxError(SyntaxErrorKind::InvalidLanguageTag {
+                                    tag,
+                                    error,
+                                })
                             })?
                             .into_inner()
                     });
@@ -588,7 +592,9 @@ impl<R> RdfXmlReader<R> {
                         } else {
                             Iri::parse(iri.clone())
                         }
-                        .map_err(|error| SyntaxError(SyntaxErrorKind::InvalidIri { iri, error }))?,
+                        .map_err(|error| {
+                            RdfXmlSyntaxError(SyntaxErrorKind::InvalidIri { iri, error })
+                        })?,
                     )
                 } else {
                     // We ignore other xml attributes
@@ -598,16 +604,17 @@ impl<R> RdfXmlReader<R> {
                 if *attribute_url == *RDF_ID {
                     let mut id = self.convert_attribute(&attribute)?;
                     if !is_nc_name(&id) {
-                        return Err(
+                        return Err(RdfXmlSyntaxError::msg(format!(
-                            SyntaxError::msg(format!("{id} is not a valid rdf:ID value")).into(),
+                            "{id} is not a valid rdf:ID value"
-                        );
+                        ))
+                        .into());
                     }
                     id.insert(0, '#');
                     id_attr = Some(id);
                 } else if *attribute_url == *RDF_BAG_ID {
                     let bag_id = self.convert_attribute(&attribute)?;
                     if !is_nc_name(&bag_id) {
-                        return Err(SyntaxError::msg(format!(
+                        return Err(RdfXmlSyntaxError::msg(format!(
                             "{bag_id} is not a valid rdf:bagID value"
                         ))
                         .into());
@@ -615,7 +622,7 @@ impl<R> RdfXmlReader<R> {
                 } else if *attribute_url == *RDF_NODE_ID {
                     let id = self.convert_attribute(&attribute)?;
                     if !is_nc_name(&id) {
-                        return Err(SyntaxError::msg(format!(
+                        return Err(RdfXmlSyntaxError::msg(format!(
                             "{id} is not a valid rdf:nodeID value"
                         ))
                         .into());
@@ -637,7 +644,7 @@ impl<R> RdfXmlReader<R> {
                 } else if attribute_url == rdf::TYPE.as_str() {
                     type_attr = Some(attribute);
                 } else if RESERVED_RDF_ATTRIBUTES.contains(&&*attribute_url) {
-                    return Err(SyntaxError::msg(format!(
+                    return Err(RdfXmlSyntaxError::msg(format!(
                         "{attribute_url} is not a valid attribute"
                     ))
                     .into());
@@ -655,7 +662,7 @@ impl<R> RdfXmlReader<R> {
             Some(iri) => {
                 let iri = self.resolve_iri(&base_iri, iri)?;
                 if self.known_rdf_id.contains(iri.as_str()) {
-                    return Err(SyntaxError::msg(format!(
+                    return Err(RdfXmlSyntaxError::msg(format!(
                         "{iri} has already been used as rdf:ID value"
                     ))
                     .into());
@@ -694,13 +701,14 @@ impl<R> RdfXmlReader<R> {
             },
             Some(RdfXmlState::ParseTypeLiteralPropertyElt { .. }) => {
                 return Err(
-                    SyntaxError::msg("ParseTypeLiteralPropertyElt production children should never be considered as a RDF/XML content").into()
+                    RdfXmlSyntaxError::msg("ParseTypeLiteralPropertyElt production children should never be considered as a RDF/XML content").into()
                 );
             }
             None => {
-                return Err(
+                return Err(RdfXmlSyntaxError::msg(
-                    SyntaxError::msg("No state in the stack: the XML is not balanced").into(),
+                    "No state in the stack: the XML is not balanced",
-                );
+                )
+                .into());
             }
         };
 
@@ -709,7 +717,7 @@ impl<R> RdfXmlReader<R> {
                 if *tag_name == *RDF_RDF {
                     RdfXmlState::Rdf { base_iri, language }
                 } else if RESERVED_RDF_ELEMENTS.contains(&&*tag_name) {
-                    return Err(SyntaxError::msg(format!(
+                    return Err(RdfXmlSyntaxError::msg(format!(
                         "Invalid node element tag name: {tag_name}"
                     ))
                     .into());
@@ -729,7 +737,7 @@ impl<R> RdfXmlReader<R> {
             }
             RdfXmlNextProduction::NodeElt => {
                 if RESERVED_RDF_ELEMENTS.contains(&&*tag_name) {
-                    return Err(SyntaxError::msg(format!(
+                    return Err(RdfXmlSyntaxError::msg(format!(
                         "Invalid property element tag name: {tag_name}"
                     ))
                     .into());
@@ -750,7 +758,7 @@ impl<R> RdfXmlReader<R> {
                 let iri = if *tag_name == *RDF_LI {
                     let Some(RdfXmlState::NodeElt { li_counter, .. }) = self.state.last_mut()
                     else {
-                        return Err(SyntaxError::msg(format!(
+                        return Err(RdfXmlSyntaxError::msg(format!(
                             "Invalid property element tag name: {tag_name}"
                         ))
                         .into());
@@ -762,7 +770,7 @@ impl<R> RdfXmlReader<R> {
                 } else if RESERVED_RDF_ELEMENTS.contains(&&*tag_name)
                     || *tag_name == *RDF_DESCRIPTION
                 {
-                    return Err(SyntaxError::msg(format!(
+                    return Err(RdfXmlSyntaxError::msg(format!(
                         "Invalid property element tag name: {tag_name}"
                     ))
                     .into());
@@ -780,7 +788,7 @@ impl<R> RdfXmlReader<R> {
                         (Some(resource_attr), None) => Subject::from(resource_attr),
                         (None, Some(node_id_attr)) => node_id_attr.into(),
                         (None, None) => BlankNode::default().into(),
-                        (Some(_), Some(_)) => return Err(SyntaxError::msg("Not both rdf:resource and rdf:nodeID could be set at the same time").into())
+                        (Some(_), Some(_)) => return Err(RdfXmlSyntaxError::msg("Not both rdf:resource and rdf:nodeID could be set at the same time").into())
                     };
                             Self::emit_property_attrs(&object, property_attrs, &language, results);
                             if let Some(type_attr) = type_attr {
@@ -847,7 +855,7 @@ impl<R> RdfXmlReader<R> {
         &mut self,
         event: &BytesEnd<'_>,
         results: &mut Vec<Triple>,
-    ) -> Result<(), ParseError> {
+    ) -> Result<(), RdfXmlParseError> {
         // Literal case
         if self.in_literal_depth > 0 {
             if let Some(RdfXmlState::ParseTypeLiteralPropertyElt { writer, .. }) =
@@ -867,7 +875,7 @@ impl<R> RdfXmlReader<R> {
         Ok(())
     }
 
-    fn parse_text_event(&mut self, event: &BytesText<'_>) -> Result<(), ParseError> {
+    fn parse_text_event(&mut self, event: &BytesText<'_>) -> Result<(), RdfXmlParseError> {
         let text = event.unescape_with(|e| self.resolve_entity(e))?.to_string();
         match self.state.last_mut() {
             Some(RdfXmlState::PropertyElt { object, .. }) => {
@@ -884,18 +892,18 @@ impl<R> RdfXmlReader<R> {
                 if event.iter().copied().all(is_whitespace) {
                     Ok(())
                 } else {
-                    Err(SyntaxError::msg(format!("Unexpected text event: '{text}'")).into())
+                    Err(RdfXmlSyntaxError::msg(format!("Unexpected text event: '{text}'")).into())
                 }
             }
         }
     }
 
-    fn resolve_tag_name(&self, qname: QName<'_>) -> Result<String, ParseError> {
+    fn resolve_tag_name(&self, qname: QName<'_>) -> Result<String, RdfXmlParseError> {
         let (namespace, local_name) = self.reader.resolve_element(qname);
         self.resolve_ns_name(namespace, local_name)
     }
 
-    fn resolve_attribute_name(&self, qname: QName<'_>) -> Result<String, ParseError> {
+    fn resolve_attribute_name(&self, qname: QName<'_>) -> Result<String, RdfXmlParseError> {
         let (namespace, local_name) = self.reader.resolve_attribute(qname);
         self.resolve_ns_name(namespace, local_name)
     }
@@ -904,7 +912,7 @@ impl<R> RdfXmlReader<R> {
         &self,
         namespace: ResolveResult<'_>,
         local_name: LocalName<'_>,
-    ) -> Result<String, ParseError> {
+    ) -> Result<String, RdfXmlParseError> {
         match namespace {
             ResolveResult::Bound(ns) => {
                 let mut value = Vec::with_capacity(ns.as_ref().len() + local_name.as_ref().len());
@@ -917,9 +925,9 @@ impl<R> RdfXmlReader<R> {
                 .to_string())
             }
             ResolveResult::Unbound => {
-                Err(SyntaxError::msg("XML namespaces are required in RDF/XML").into())
+                Err(RdfXmlSyntaxError::msg("XML namespaces are required in RDF/XML").into())
             }
-            ResolveResult::Unknown(v) => Err(SyntaxError::msg(format!(
+            ResolveResult::Unknown(v) => Err(RdfXmlSyntaxError::msg(format!(
                 "Unknown prefix {}:",
                 self.reader.decoder().decode(&v)?
             ))
@@ -938,24 +946,24 @@ impl<R> RdfXmlReader<R> {
         type_attr: Option<NamedNode>,
         property_attrs: Vec<(NamedNode, String)>,
         results: &mut Vec<Triple>,
-    ) -> Result<RdfXmlState, SyntaxError> {
+    ) -> Result<RdfXmlState, RdfXmlSyntaxError> {
         let subject = match (id_attr, node_id_attr, about_attr) {
             (Some(id_attr), None, None) => Subject::from(id_attr),
             (None, Some(node_id_attr), None) => node_id_attr.into(),
             (None, None, Some(about_attr)) => about_attr.into(),
             (None, None, None) => BlankNode::default().into(),
             (Some(_), Some(_), _) => {
-                return Err(SyntaxError::msg(
+                return Err(RdfXmlSyntaxError::msg(
                     "Not both rdf:ID and rdf:nodeID could be set at the same time",
                 ))
             }
             (_, Some(_), Some(_)) => {
-                return Err(SyntaxError::msg(
+                return Err(RdfXmlSyntaxError::msg(
                     "Not both rdf:nodeID and rdf:resource could be set at the same time",
                 ))
             }
             (Some(_), _, Some(_)) => {
-                return Err(SyntaxError::msg(
+                return Err(RdfXmlSyntaxError::msg(
                     "Not both rdf:ID and rdf:resource could be set at the same time",
                 ))
             }
@@ -1004,7 +1012,7 @@ impl<R> RdfXmlReader<R> {
         &mut self,
         state: RdfXmlState,
         results: &mut Vec<Triple>,
-    ) -> Result<(), SyntaxError> {
+    ) -> Result<(), RdfXmlSyntaxError> {
         match state {
             RdfXmlState::PropertyElt {
                 iri,
@@ -1059,7 +1067,7 @@ impl<R> RdfXmlReader<R> {
                 if emit {
                     let object = writer.into_inner();
                     if object.is_empty() {
-                        return Err(SyntaxError::msg(format!(
+                        return Err(RdfXmlSyntaxError::msg(format!(
                             "No value found for rdf:XMLLiteral value of property {iri}"
                         )));
                     }
@@ -1068,7 +1076,9 @@ impl<R> RdfXmlReader<R> {
                         iri,
                         Literal::new_typed_literal(
                             str::from_utf8(&object).map_err(|_| {
-                                SyntaxError::msg("The XML literal is not in valid UTF-8".to_owned())
+                                RdfXmlSyntaxError::msg(
+                                    "The XML literal is not in valid UTF-8".to_owned(),
+                                )
                             })?,
                             rdf::XML_LITERAL,
                         ),
@@ -1141,7 +1151,7 @@ impl<R> RdfXmlReader<R> {
         }
     }
 
-    fn convert_attribute(&self, attribute: &Attribute<'_>) -> Result<String, ParseError> {
+    fn convert_attribute(&self, attribute: &Attribute<'_>) -> Result<String, RdfXmlParseError> {
         Ok(attribute
             .decode_and_unescape_value_with(&self.reader, |e| self.resolve_entity(e))?
             .into_owned())
@@ -1151,7 +1161,7 @@ impl<R> RdfXmlReader<R> {
         &self,
         base_iri: &Option<Iri<String>>,
         attribute: &Attribute<'_>,
-    ) -> Result<NamedNode, ParseError> {
+    ) -> Result<NamedNode, RdfXmlParseError> {
         Ok(self.resolve_iri(base_iri, self.convert_attribute(attribute)?)?)
     }
 
@@ -1159,7 +1169,7 @@ impl<R> RdfXmlReader<R> {
         &self,
         base_iri: &Option<Iri<String>>,
         relative_iri: String,
-    ) -> Result<NamedNode, SyntaxError> {
+    ) -> Result<NamedNode, RdfXmlSyntaxError> {
         if let Some(base_iri) = base_iri {
             Ok(NamedNode::new_unchecked(
                 if self.unchecked {
@@ -1168,7 +1178,7 @@ impl<R> RdfXmlReader<R> {
                     base_iri.resolve(&relative_iri)
                 }
                 .map_err(|error| {
-                    SyntaxError(SyntaxErrorKind::InvalidIri {
+                    RdfXmlSyntaxError(SyntaxErrorKind::InvalidIri {
                         iri: relative_iri,
                         error,
                     })
@@ -1180,13 +1190,13 @@ impl<R> RdfXmlReader<R> {
         }
     }
 
-    fn parse_iri(&self, relative_iri: String) -> Result<NamedNode, SyntaxError> {
+    fn parse_iri(&self, relative_iri: String) -> Result<NamedNode, RdfXmlSyntaxError> {
         Ok(NamedNode::new_unchecked(if self.unchecked {
             relative_iri
         } else {
             Iri::parse(relative_iri.clone())
                 .map_err(|error| {
-                    SyntaxError(SyntaxErrorKind::InvalidIri {
+                    RdfXmlSyntaxError(SyntaxErrorKind::InvalidIri {
                         iri: relative_iri,
                         error,
                     })

lib/oxttl/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "oxttl"
-version = "0.1.0-alpha.2"
+version = "0.1.0-alpha.3-dev"
 authors.workspace = true
 license.workspace = true
 readme = "README.md"

lib/oxttl/src/lib.rs

@@ -17,7 +17,7 @@ pub mod turtle;
 pub use crate::n3::N3Parser;
 pub use crate::nquads::{NQuadsParser, NQuadsSerializer};
 pub use crate::ntriples::{NTriplesParser, NTriplesSerializer};
-pub use crate::toolkit::{ParseError, SyntaxError, TextPosition};
+pub use crate::toolkit::{TextPosition, TurtleParseError, TurtleSyntaxError};
 pub use crate::trig::{TriGParser, TriGSerializer};
 pub use crate::turtle::{TurtleParser, TurtleSerializer};
 

lib/oxttl/src/n3.rs

@@ -4,9 +4,9 @@ use crate::lexer::{resolve_local_name, N3Lexer, N3LexerMode, N3LexerOptions, N3T
 #[cfg(feature = "async-tokio")]
 use crate::toolkit::FromTokioAsyncReadIterator;
 use crate::toolkit::{
-    FromReadIterator, Lexer, Parser, RuleRecognizer, RuleRecognizerError, SyntaxError,
+    FromReadIterator, Lexer, Parser, RuleRecognizer, RuleRecognizerError, TurtleSyntaxError,
 };
-use crate::{ParseError, MAX_BUFFER_SIZE, MIN_BUFFER_SIZE};
+use crate::{TurtleParseError, MAX_BUFFER_SIZE, MIN_BUFFER_SIZE};
 use oxiri::{Iri, IriParseError};
 use oxrdf::vocab::{rdf, xsd};
 #[cfg(feature = "rdf-star")]
@@ -291,7 +291,7 @@ impl N3Parser {
     /// use oxttl::n3::{N3Parser, N3Term};
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -461,7 +461,7 @@ impl<R: Read> FromReadN3Reader<R> {
 }
 
 impl<R: Read> Iterator for FromReadN3Reader<R> {
-    type Item = Result<N3Quad, ParseError>;
+    type Item = Result<N3Quad, TurtleParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         self.inner.next()
@@ -477,7 +477,7 @@ impl<R: Read> Iterator for FromReadN3Reader<R> {
 /// use oxttl::n3::{N3Parser, N3Term};
 ///
 /// # #[tokio::main(flavor = "current_thread")]
-/// # async fn main() -> Result<(), oxttl::ParseError> {
+/// # async fn main() -> Result<(), oxttl::TurtleParseError> {
 /// let file = br#"@base <http://example.com/> .
 /// @prefix schema: <http://schema.org/> .
 /// <foo> a schema:Person ;
@@ -508,7 +508,7 @@ pub struct FromTokioAsyncReadN3Reader<R: AsyncRead + Unpin> {
 #[cfg(feature = "async-tokio")]
 impl<R: AsyncRead + Unpin> FromTokioAsyncReadN3Reader<R> {
     /// Reads the next triple or returns `None` if the file is finished.
-    pub async fn next(&mut self) -> Option<Result<N3Quad, ParseError>> {
+    pub async fn next(&mut self) -> Option<Result<N3Quad, TurtleParseError>> {
         Some(self.inner.next().await?.map(Into::into))
     }
 
@@ -522,7 +522,7 @@ impl<R: AsyncRead + Unpin> FromTokioAsyncReadN3Reader<R> {
     /// use oxttl::N3Parser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -551,7 +551,7 @@ impl<R: AsyncRead + Unpin> FromTokioAsyncReadN3Reader<R> {
     /// use oxttl::N3Parser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -641,7 +641,7 @@ impl LowLevelN3Reader {
     ///
     /// Returns [`None`] if the parsing is finished or more data is required.
     /// If it is the case more data should be fed using [`extend_from_slice`](Self::extend_from_slice).
-    pub fn read_next(&mut self) -> Option<Result<N3Quad, SyntaxError>> {
+    pub fn read_next(&mut self) -> Option<Result<N3Quad, TurtleSyntaxError>> {
         self.parser.read_next()
     }
 

lib/oxttl/src/nquads.rs

@@ -4,7 +4,7 @@
 use crate::line_formats::NQuadsRecognizer;
 #[cfg(feature = "async-tokio")]
 use crate::toolkit::FromTokioAsyncReadIterator;
-use crate::toolkit::{FromReadIterator, ParseError, Parser, SyntaxError};
+use crate::toolkit::{FromReadIterator, Parser, TurtleParseError, TurtleSyntaxError};
 use oxrdf::{Quad, QuadRef};
 use std::io::{self, Read, Write};
 #[cfg(feature = "async-tokio")]
@@ -106,7 +106,7 @@ impl NQuadsParser {
     /// use oxttl::NQuadsParser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"<http://example.com/foo> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
     /// <http://example.com/foo> <http://schema.org/name> "Foo" .
     /// <http://example.com/bar> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
@@ -213,7 +213,7 @@ pub struct FromReadNQuadsReader<R: Read> {
 }
 
 impl<R: Read> Iterator for FromReadNQuadsReader<R> {
-    type Item = Result<Quad, ParseError>;
+    type Item = Result<Quad, TurtleParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         self.inner.next()
@@ -228,7 +228,7 @@ impl<R: Read> Iterator for FromReadNQuadsReader<R> {
 /// use oxttl::NQuadsParser;
 ///
 /// # #[tokio::main(flavor = "current_thread")]
-/// # async fn main() -> Result<(), oxttl::ParseError> {
+/// # async fn main() -> Result<(), oxttl::TurtleParseError> {
 /// let file = br#"<http://example.com/foo> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
 /// <http://example.com/foo> <http://schema.org/name> "Foo" .
 /// <http://example.com/bar> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
@@ -256,7 +256,7 @@ pub struct FromTokioAsyncReadNQuadsReader<R: AsyncRead + Unpin> {
 #[cfg(feature = "async-tokio")]
 impl<R: AsyncRead + Unpin> FromTokioAsyncReadNQuadsReader<R> {
     /// Reads the next triple or returns `None` if the file is finished.
-    pub async fn next(&mut self) -> Option<Result<Quad, ParseError>> {
+    pub async fn next(&mut self) -> Option<Result<Quad, TurtleParseError>> {
         Some(self.inner.next().await?.map(Into::into))
     }
 }
@@ -323,7 +323,7 @@ impl LowLevelNQuadsReader {
     ///
     /// Returns [`None`] if the parsing is finished or more data is required.
     /// If it is the case more data should be fed using [`extend_from_slice`](Self::extend_from_slice).
-    pub fn read_next(&mut self) -> Option<Result<Quad, SyntaxError>> {
+    pub fn read_next(&mut self) -> Option<Result<Quad, TurtleSyntaxError>> {
         self.parser.read_next()
     }
 }

lib/oxttl/src/ntriples.rs

@@ -4,7 +4,7 @@
 use crate::line_formats::NQuadsRecognizer;
 #[cfg(feature = "async-tokio")]
 use crate::toolkit::FromTokioAsyncReadIterator;
-use crate::toolkit::{FromReadIterator, ParseError, Parser, SyntaxError};
+use crate::toolkit::{FromReadIterator, Parser, TurtleParseError, TurtleSyntaxError};
 use oxrdf::{Triple, TripleRef};
 use std::io::{self, Read, Write};
 #[cfg(feature = "async-tokio")]
@@ -106,7 +106,7 @@ impl NTriplesParser {
     /// use oxttl::NTriplesParser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"<http://example.com/foo> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
     /// <http://example.com/foo> <http://schema.org/name> "Foo" .
     /// <http://example.com/bar> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
@@ -213,7 +213,7 @@ pub struct FromReadNTriplesReader<R: Read> {
 }
 
 impl<R: Read> Iterator for FromReadNTriplesReader<R> {
-    type Item = Result<Triple, ParseError>;
+    type Item = Result<Triple, TurtleParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         Some(self.inner.next()?.map(Into::into))
@@ -228,7 +228,7 @@ impl<R: Read> Iterator for FromReadNTriplesReader<R> {
 /// use oxttl::NTriplesParser;
 ///
 /// # #[tokio::main(flavor = "current_thread")]
-/// # async fn main() -> Result<(), oxttl::ParseError> {
+/// # async fn main() -> Result<(), oxttl::TurtleParseError> {
 /// let file = br#"<http://example.com/foo> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
 /// <http://example.com/foo> <http://schema.org/name> "Foo" .
 /// <http://example.com/bar> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
@@ -256,7 +256,7 @@ pub struct FromTokioAsyncReadNTriplesReader<R: AsyncRead + Unpin> {
 #[cfg(feature = "async-tokio")]
 impl<R: AsyncRead + Unpin> FromTokioAsyncReadNTriplesReader<R> {
     /// Reads the next triple or returns `None` if the file is finished.
-    pub async fn next(&mut self) -> Option<Result<Triple, ParseError>> {
+    pub async fn next(&mut self) -> Option<Result<Triple, TurtleParseError>> {
         Some(self.inner.next().await?.map(Into::into))
     }
 }
@@ -323,7 +323,7 @@ impl LowLevelNTriplesReader {
     ///
     /// Returns [`None`] if the parsing is finished or more data is required.
     /// If it is the case more data should be fed using [`extend_from_slice`](Self::extend_from_slice).
-    pub fn read_next(&mut self) -> Option<Result<Triple, SyntaxError>> {
+    pub fn read_next(&mut self) -> Option<Result<Triple, TurtleSyntaxError>> {
         Some(self.parser.read_next()?.map(Into::into))
     }
 }

lib/oxttl/src/toolkit/error.rs

@@ -13,12 +13,12 @@ pub struct TextPosition {
 ///
 /// It is composed of a message and a byte range in the input.
 #[derive(Debug, thiserror::Error)]
-pub struct SyntaxError {
+pub struct TurtleSyntaxError {
     pub(super) location: Range<TextPosition>,
     pub(super) message: String,
 }
 
-impl SyntaxError {
+impl TurtleSyntaxError {
     /// The location of the error inside of the file.
     #[inline]
     pub fn location(&self) -> Range<TextPosition> {
@@ -32,7 +32,7 @@ impl SyntaxError {
     }
 }
 
-impl fmt::Display for SyntaxError {
+impl fmt::Display for TurtleSyntaxError {
     #[inline]
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         if self.location.start.offset + 1 >= self.location.end.offset {
@@ -66,32 +66,32 @@ impl fmt::Display for SyntaxError {
     }
 }
 
-impl From<SyntaxError> for io::Error {
+impl From<TurtleSyntaxError> for io::Error {
     #[inline]
-    fn from(error: SyntaxError) -> Self {
+    fn from(error: TurtleSyntaxError) -> Self {
         Self::new(io::ErrorKind::InvalidData, error)
     }
 }
 
 /// A parsing error.
 ///
-/// It is the union of [`SyntaxError`] and [`io::Error`].
+/// It is the union of [`TurtleSyntaxError`] and [`io::Error`].
 #[derive(Debug, thiserror::Error)]
-pub enum ParseError {
+pub enum TurtleParseError {
     /// I/O error during parsing (file not found...).
     #[error(transparent)]
     Io(#[from] io::Error),
     /// An error in the file syntax.
     #[error(transparent)]
-    Syntax(#[from] SyntaxError),
+    Syntax(#[from] TurtleSyntaxError),
 }
 
-impl From<ParseError> for io::Error {
+impl From<TurtleParseError> for io::Error {
     #[inline]
-    fn from(error: ParseError) -> Self {
+    fn from(error: TurtleParseError) -> Self {
         match error {
-            ParseError::Syntax(e) => e.into(),
+            TurtleParseError::Syntax(e) => e.into(),
-            ParseError::Io(e) => e,
+            TurtleParseError::Io(e) => e,
         }
     }
 }

lib/oxttl/src/toolkit/lexer.rs

@@ -1,4 +1,4 @@
-use crate::toolkit::error::{SyntaxError, TextPosition};
+use crate::toolkit::error::{TextPosition, TurtleSyntaxError};
 use memchr::{memchr2, memchr2_iter};
 use std::borrow::Cow;
 use std::cmp::min;
@@ -163,7 +163,10 @@ impl<R: TokenRecognizer> Lexer<R> {
     }
 
     #[allow(clippy::unwrap_in_result)]
-    pub fn read_next(&mut self, options: &R::Options) -> Option<Result<R::Token<'_>, SyntaxError>> {
+    pub fn read_next(
+        &mut self,
+        options: &R::Options,
+    ) -> Option<Result<R::Token<'_>, TurtleSyntaxError>> {
         self.skip_whitespaces_and_comments()?;
         self.previous_position = self.position;
         let Some((consumed, result)) = self.parser.recognize_next_token(
@@ -194,7 +197,7 @@ impl<R: TokenRecognizer> Lexer<R> {
                         ),
                         offset: self.position.global_offset,
                     };
-                    let error = SyntaxError {
+                    let error = TurtleSyntaxError {
                         location: new_position..new_position,
                         message: "Unexpected end of file".into(),
                     };
@@ -224,7 +227,7 @@ impl<R: TokenRecognizer> Lexer<R> {
         self.position.buffer_offset += consumed;
         self.position.global_offset += u64::try_from(consumed).unwrap();
         self.position.global_line += new_line_jumps;
-        Some(result.map_err(|e| SyntaxError {
+        Some(result.map_err(|e| TurtleSyntaxError {
             location: self.location_from_buffer_offset_range(e.location),
             message: e.message,
         }))

lib/oxttl/src/toolkit/mod.rs

@@ -6,7 +6,7 @@ mod error;
 mod lexer;
 mod parser;
 
-pub use self::error::{ParseError, SyntaxError, TextPosition};
+pub use self::error::{TextPosition, TurtleParseError, TurtleSyntaxError};
 pub use self::lexer::{Lexer, TokenRecognizer, TokenRecognizerError};
 #[cfg(feature = "async-tokio")]
 pub use self::parser::FromTokioAsyncReadIterator;

lib/oxttl/src/toolkit/parser.rs

@@ -1,4 +1,4 @@
-use crate::toolkit::error::{ParseError, SyntaxError};
+use crate::toolkit::error::{TurtleParseError, TurtleSyntaxError};
 use crate::toolkit::lexer::{Lexer, TokenRecognizer};
 use std::io::Read;
 #[cfg(feature = "async-tokio")]
@@ -77,10 +77,10 @@ impl<RR: RuleRecognizer> Parser<RR> {
         self.state.is_none() && self.results.is_empty() && self.errors.is_empty()
     }
 
-    pub fn read_next(&mut self) -> Option<Result<RR::Output, SyntaxError>> {
+    pub fn read_next(&mut self) -> Option<Result<RR::Output, TurtleSyntaxError>> {
         loop {
             if let Some(error) = self.errors.pop() {
-                return Some(Err(SyntaxError {
+                return Some(Err(TurtleSyntaxError {
                     location: self.lexer.last_token_location(),
                     message: error
                         .message
@@ -141,12 +141,12 @@ pub struct FromReadIterator<R: Read, RR: RuleRecognizer> {
 }
 
 impl<R: Read, RR: RuleRecognizer> Iterator for FromReadIterator<R, RR> {
-    type Item = Result<RR::Output, ParseError>;
+    type Item = Result<RR::Output, TurtleParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         while !self.parser.is_end() {
             if let Some(result) = self.parser.read_next() {
-                return Some(result.map_err(ParseError::Syntax));
+                return Some(result.map_err(TurtleParseError::Syntax));
             }
             if let Err(e) = self.parser.lexer.extend_from_read(&mut self.read) {
                 return Some(Err(e.into()));
@@ -164,10 +164,10 @@ pub struct FromTokioAsyncReadIterator<R: AsyncRead + Unpin, RR: RuleRecognizer>
 
 #[cfg(feature = "async-tokio")]
 impl<R: AsyncRead + Unpin, RR: RuleRecognizer> FromTokioAsyncReadIterator<R, RR> {
-    pub async fn next(&mut self) -> Option<Result<RR::Output, ParseError>> {
+    pub async fn next(&mut self) -> Option<Result<RR::Output, TurtleParseError>> {
         while !self.parser.is_end() {
             if let Some(result) = self.parser.read_next() {
-                return Some(result.map_err(ParseError::Syntax));
+                return Some(result.map_err(TurtleParseError::Syntax));
             }
             if let Err(e) = self
                 .parser

lib/oxttl/src/trig.rs

@@ -5,7 +5,7 @@ use crate::lexer::N3Lexer;
 use crate::terse::TriGRecognizer;
 #[cfg(feature = "async-tokio")]
 use crate::toolkit::FromTokioAsyncReadIterator;
-use crate::toolkit::{FromReadIterator, ParseError, Parser, SyntaxError};
+use crate::toolkit::{FromReadIterator, Parser, TurtleParseError, TurtleSyntaxError};
 use oxiri::{Iri, IriParseError};
 use oxrdf::vocab::{rdf, xsd};
 use oxrdf::{
@@ -140,7 +140,7 @@ impl TriGParser {
     /// use oxttl::TriGParser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -314,7 +314,7 @@ impl<R: Read> FromReadTriGReader<R> {
 }
 
 impl<R: Read> Iterator for FromReadTriGReader<R> {
-    type Item = Result<Quad, ParseError>;
+    type Item = Result<Quad, TurtleParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         self.inner.next()
@@ -330,7 +330,7 @@ impl<R: Read> Iterator for FromReadTriGReader<R> {
 /// use oxttl::TriGParser;
 ///
 /// # #[tokio::main(flavor = "current_thread")]
-/// # async fn main() -> Result<(), oxttl::ParseError> {
+/// # async fn main() -> Result<(), oxttl::TurtleParseError> {
 /// let file = br#"@base <http://example.com/> .
 /// @prefix schema: <http://schema.org/> .
 /// <foo> a schema:Person ;
@@ -360,7 +360,7 @@ pub struct FromTokioAsyncReadTriGReader<R: AsyncRead + Unpin> {
 #[cfg(feature = "async-tokio")]
 impl<R: AsyncRead + Unpin> FromTokioAsyncReadTriGReader<R> {
     /// Reads the next triple or returns `None` if the file is finished.
-    pub async fn next(&mut self) -> Option<Result<Quad, ParseError>> {
+    pub async fn next(&mut self) -> Option<Result<Quad, TurtleParseError>> {
         Some(self.inner.next().await?.map(Into::into))
     }
 
@@ -374,7 +374,7 @@ impl<R: AsyncRead + Unpin> FromTokioAsyncReadTriGReader<R> {
     /// use oxttl::TriGParser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -403,7 +403,7 @@ impl<R: AsyncRead + Unpin> FromTokioAsyncReadTriGReader<R> {
     /// use oxttl::TriGParser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -492,7 +492,7 @@ impl LowLevelTriGReader {
     ///
     /// Returns [`None`] if the parsing is finished or more data is required.
     /// If it is the case more data should be fed using [`extend_from_slice`](Self::extend_from_slice).
-    pub fn read_next(&mut self) -> Option<Result<Quad, SyntaxError>> {
+    pub fn read_next(&mut self) -> Option<Result<Quad, TurtleSyntaxError>> {
         self.parser.read_next()
     }
 

lib/oxttl/src/turtle.rs

@@ -4,7 +4,7 @@
 use crate::terse::TriGRecognizer;
 #[cfg(feature = "async-tokio")]
 use crate::toolkit::FromTokioAsyncReadIterator;
-use crate::toolkit::{FromReadIterator, ParseError, Parser, SyntaxError};
+use crate::toolkit::{FromReadIterator, Parser, TurtleParseError, TurtleSyntaxError};
 #[cfg(feature = "async-tokio")]
 use crate::trig::ToTokioAsyncWriteTriGWriter;
 use crate::trig::{LowLevelTriGWriter, ToWriteTriGWriter, TriGSerializer};
@@ -138,7 +138,7 @@ impl TurtleParser {
     /// use oxttl::TurtleParser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -312,7 +312,7 @@ impl<R: Read> FromReadTurtleReader<R> {
 }
 
 impl<R: Read> Iterator for FromReadTurtleReader<R> {
-    type Item = Result<Triple, ParseError>;
+    type Item = Result<Triple, TurtleParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         Some(self.inner.next()?.map(Into::into))
@@ -328,7 +328,7 @@ impl<R: Read> Iterator for FromReadTurtleReader<R> {
 /// use oxttl::TurtleParser;
 ///
 /// # #[tokio::main(flavor = "current_thread")]
-/// # async fn main() -> Result<(), oxttl::ParseError> {
+/// # async fn main() -> Result<(), oxttl::TurtleParseError> {
 /// let file = br#"@base <http://example.com/> .
 /// @prefix schema: <http://schema.org/> .
 /// <foo> a schema:Person ;
@@ -358,7 +358,7 @@ pub struct FromTokioAsyncReadTurtleReader<R: AsyncRead + Unpin> {
 #[cfg(feature = "async-tokio")]
 impl<R: AsyncRead + Unpin> FromTokioAsyncReadTurtleReader<R> {
     /// Reads the next triple or returns `None` if the file is finished.
-    pub async fn next(&mut self) -> Option<Result<Triple, ParseError>> {
+    pub async fn next(&mut self) -> Option<Result<Triple, TurtleParseError>> {
         Some(self.inner.next().await?.map(Into::into))
     }
 
@@ -372,7 +372,7 @@ impl<R: AsyncRead + Unpin> FromTokioAsyncReadTurtleReader<R> {
     /// use oxttl::TurtleParser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -401,7 +401,7 @@ impl<R: AsyncRead + Unpin> FromTokioAsyncReadTurtleReader<R> {
     /// use oxttl::TurtleParser;
     ///
     /// # #[tokio::main(flavor = "current_thread")]
-    /// # async fn main() -> Result<(), oxttl::ParseError> {
+    /// # async fn main() -> Result<(), oxttl::TurtleParseError> {
     /// let file = br#"@base <http://example.com/> .
     /// @prefix schema: <http://schema.org/> .
     /// <foo> a schema:Person ;
@@ -490,7 +490,7 @@ impl LowLevelTurtleReader {
     ///
     /// Returns [`None`] if the parsing is finished or more data is required.
     /// If it is the case more data should be fed using [`extend_from_slice`](Self::extend_from_slice).
-    pub fn read_next(&mut self) -> Option<Result<Triple, SyntaxError>> {
+    pub fn read_next(&mut self) -> Option<Result<Triple, TurtleSyntaxError>> {
         Some(self.parser.read_next()?.map(Into::into))
     }
 

lib/sparesults/src/csv.rs

@@ -1,6 +1,8 @@
 //! Implementation of [SPARQL 1.1 Query Results CSV and TSV Formats](https://www.w3.org/TR/sparql11-results-csv-tsv/)
 
-use crate::error::{ParseError, SyntaxError, SyntaxErrorKind, TextPosition};
+use crate::error::{
+    QueryResultsParseError, QueryResultsSyntaxError, SyntaxErrorKind, TextPosition,
+};
 use memchr::memchr;
 use oxrdf::vocab::xsd;
 use oxrdf::*;
@@ -432,7 +434,7 @@ pub enum TsvQueryResultsReader<R: Read> {
 }
 
 impl<R: Read> TsvQueryResultsReader<R> {
-    pub fn read(mut read: R) -> Result<Self, ParseError> {
+    pub fn read(mut read: R) -> Result<Self, QueryResultsParseError> {
         let mut reader = LineReader::new();
         let mut buffer = Vec::new();
 
@@ -451,13 +453,13 @@ impl<R: Read> TsvQueryResultsReader<R> {
             for v in line.split('\t') {
                 let v = v.trim();
                 if v.is_empty() {
-                    return Err(SyntaxError::msg("Empty column on the first row. The first row should be a list of variables like ?foo or $bar").into());
+                    return Err(QueryResultsSyntaxError::msg("Empty column on the first row. The first row should be a list of variables like ?foo or $bar").into());
                 }
                 let variable = Variable::from_str(v).map_err(|e| {
-                    SyntaxError::msg(format!("Invalid variable declaration '{v}': {e}"))
+                    QueryResultsSyntaxError::msg(format!("Invalid variable declaration '{v}': {e}"))
                 })?;
                 if variables.contains(&variable) {
-                    return Err(SyntaxError::msg(format!(
+                    return Err(QueryResultsSyntaxError::msg(format!(
                         "The variable {variable} is declared twice"
                     ))
                     .into());
@@ -487,7 +489,7 @@ pub struct TsvSolutionsReader<R: Read> {
 
 impl<R: Read> TsvSolutionsReader<R> {
     #[allow(clippy::unwrap_in_result)]
-    pub fn read_next(&mut self) -> Result<Option<Vec<Option<Term>>>, ParseError> {
+    pub fn read_next(&mut self) -> Result<Option<Vec<Option<Term>>>, QueryResultsParseError> {
         let line = self.reader.next_line(&mut self.buffer, &mut self.read)?;
         if line.is_empty() {
             return Ok(None); // EOF
@@ -508,35 +510,33 @@ impl<R: Read> TsvSolutionsReader<R> {
                             .sum::<usize>();
                         let start_position_bytes =
                             line.split('\t').take(i).map(|c| c.len() + 1).sum::<usize>();
-                        SyntaxError {
+                        QueryResultsSyntaxError(SyntaxErrorKind::Term {
-                            inner: SyntaxErrorKind::Term {
+                            error: e,
-                                error: e,
+                            term: v.into(),
-                                term: v.into(),
+                            location: TextPosition {
-                                location: TextPosition {
+                                line: self.reader.line_count - 1,
-                                    line: self.reader.line_count - 1,
+                                column: start_position_char.try_into().unwrap(),
-                                    column: start_position_char.try_into().unwrap(),
+                                offset: self.reader.last_line_start
-                                    offset: self.reader.last_line_start
+                                    + u64::try_from(start_position_bytes).unwrap(),
-                                        + u64::try_from(start_position_bytes).unwrap(),
+                            }..TextPosition {
-                                }..TextPosition {
+                                line: self.reader.line_count - 1,
-                                    line: self.reader.line_count - 1,
+                                column: (start_position_char + v.chars().count())
-                                    column: (start_position_char + v.chars().count())
+                                    .try_into()
-                                        .try_into()
+                                    .unwrap(),
-                                        .unwrap(),
+                                offset: self.reader.last_line_start
-                                    offset: self.reader.last_line_start
+                                    + u64::try_from(start_position_bytes + v.len()).unwrap(),
-                                        + u64::try_from(start_position_bytes + v.len()).unwrap(),
-                                },
                             },
-                        }
+                        })
                     })?))
                 }
             })
-            .collect::<Result<Vec<_>, ParseError>>()?;
+            .collect::<Result<Vec<_>, QueryResultsParseError>>()?;
         if elements.len() == self.column_len {
             Ok(Some(elements))
         } else if self.column_len == 0 && elements == [None] {
             Ok(Some(Vec::new())) // Zero columns case
         } else {
-            Err(SyntaxError::located_message(
+            Err(QueryResultsSyntaxError::located_message(
                 format!(
                     "This TSV files has {} columns but we found a row on line {} with {} columns: {}",
                     self.column_len,

lib/sparesults/src/error.rs

@@ -5,44 +5,44 @@ use std::sync::Arc;
 
 /// Error returned during SPARQL result formats format parsing.
 #[derive(Debug, thiserror::Error)]
-pub enum ParseError {
+pub enum QueryResultsParseError {
     /// I/O error during parsing (file not found...).
     #[error(transparent)]
     Io(#[from] io::Error),
     /// An error in the file syntax.
     #[error(transparent)]
-    Syntax(#[from] SyntaxError),
+    Syntax(#[from] QueryResultsSyntaxError),
 }
 
-impl From<ParseError> for io::Error {
+impl From<QueryResultsParseError> for io::Error {
     #[inline]
-    fn from(error: ParseError) -> Self {
+    fn from(error: QueryResultsParseError) -> Self {
         match error {
-            ParseError::Io(error) => error,
+            QueryResultsParseError::Io(error) => error,
-            ParseError::Syntax(error) => error.into(),
+            QueryResultsParseError::Syntax(error) => error.into(),
         }
     }
 }
 
-impl From<json_event_parser::ParseError> for ParseError {
+impl From<json_event_parser::ParseError> for QueryResultsParseError {
     fn from(error: json_event_parser::ParseError) -> Self {
         match error {
-            json_event_parser::ParseError::Syntax(error) => SyntaxError::from(error).into(),
+            json_event_parser::ParseError::Syntax(error) => {
+                QueryResultsSyntaxError::from(error).into()
+            }
             json_event_parser::ParseError::Io(error) => error.into(),
         }
     }
 }
 
-impl From<quick_xml::Error> for ParseError {
+impl From<quick_xml::Error> for QueryResultsParseError {
     #[inline]
     fn from(error: quick_xml::Error) -> Self {
         match error {
             quick_xml::Error::Io(error) => {
                 Self::Io(Arc::try_unwrap(error).unwrap_or_else(|e| io::Error::new(e.kind(), e)))
             }
-            _ => Self::Syntax(SyntaxError {
+            _ => Self::Syntax(QueryResultsSyntaxError(SyntaxErrorKind::Xml(error))),
-                inner: SyntaxErrorKind::Xml(error),
-            }),
         }
     }
 }
@@ -50,10 +50,7 @@ impl From<quick_xml::Error> for ParseError {
 /// An error in the syntax of the parsed file.
 #[derive(Debug, thiserror::Error)]
 #[error(transparent)]
-pub struct SyntaxError {
+pub struct QueryResultsSyntaxError(#[from] pub(crate) SyntaxErrorKind);
-    #[from]
-    pub(crate) inner: SyntaxErrorKind,
-}
 
 #[derive(Debug, thiserror::Error)]
 pub(crate) enum SyntaxErrorKind {
@@ -75,33 +72,29 @@ pub(crate) enum SyntaxErrorKind {
     },
 }
 
-impl SyntaxError {
+impl QueryResultsSyntaxError {
     /// Builds an error from a printable error message.
     #[inline]
     pub(crate) fn msg(msg: impl Into<String>) -> Self {
-        Self {
+        Self(SyntaxErrorKind::Msg {
-            inner: SyntaxErrorKind::Msg {
+            msg: msg.into(),
-                msg: msg.into(),
+            location: None,
-                location: None,
+        })
-            },
-        }
     }
 
     /// Builds an error from a printable error message and a location
     #[inline]
     pub(crate) fn located_message(msg: impl Into<String>, location: Range<TextPosition>) -> Self {
-        Self {
+        Self(SyntaxErrorKind::Msg {
-            inner: SyntaxErrorKind::Msg {
+            msg: msg.into(),
-                msg: msg.into(),
+            location: Some(location),
-                location: Some(location),
+        })
-            },
-        }
     }
 
     /// The location of the error inside of the file.
     #[inline]
     pub fn location(&self) -> Option<Range<TextPosition>> {
-        match &self.inner {
+        match &self.0 {
             SyntaxErrorKind::Json(e) => {
                 let location = e.location();
                 Some(
@@ -123,10 +116,10 @@ impl SyntaxError {
     }
 }
 
-impl From<SyntaxError> for io::Error {
+impl From<QueryResultsSyntaxError> for io::Error {
     #[inline]
-    fn from(error: SyntaxError) -> Self {
+    fn from(error: QueryResultsSyntaxError) -> Self {
-        match error.inner {
+        match error.0 {
             SyntaxErrorKind::Json(error) => Self::new(io::ErrorKind::InvalidData, error),
             SyntaxErrorKind::Xml(error) => match error {
                 quick_xml::Error::Io(error) => {
@@ -143,11 +136,9 @@ impl From<SyntaxError> for io::Error {
     }
 }
 
-impl From<json_event_parser::SyntaxError> for SyntaxError {
+impl From<json_event_parser::SyntaxError> for QueryResultsSyntaxError {
     fn from(error: json_event_parser::SyntaxError) -> Self {
-        Self {
+        Self(SyntaxErrorKind::Json(error))
-            inner: SyntaxErrorKind::Json(error),
-        }
     }
 }
 

lib/sparesults/src/json.rs

@@ -1,6 +1,6 @@
 //! Implementation of [SPARQL Query Results JSON Format](https://www.w3.org/TR/sparql11-results-json/)
 
-use crate::error::{ParseError, SyntaxError};
+use crate::error::{QueryResultsParseError, QueryResultsSyntaxError};
 #[cfg(feature = "async-tokio")]
 use json_event_parser::ToTokioAsyncWriteJsonWriter;
 use json_event_parser::{FromReadJsonReader, JsonEvent, ToWriteJsonWriter};
@@ -233,14 +233,16 @@ pub enum JsonQueryResultsReader<R: Read> {
 }
 
 impl<R: Read> JsonQueryResultsReader<R> {
-    pub fn read(read: R) -> Result<Self, ParseError> {
+    pub fn read(read: R) -> Result<Self, QueryResultsParseError> {
         let mut reader = FromReadJsonReader::new(read);
         let mut variables = None;
         let mut buffered_bindings: Option<Vec<_>> = None;
         let mut output_iter = None;
 
         if reader.read_next_event()? != JsonEvent::StartObject {
-            return Err(SyntaxError::msg("SPARQL JSON results should be an object").into());
+            return Err(
+                QueryResultsSyntaxError::msg("SPARQL JSON results should be an object").into(),
+            );
         }
 
         loop {
@@ -269,14 +271,17 @@ impl<R: Read> JsonQueryResultsReader<R> {
                     }
                     "results" => {
                         if reader.read_next_event()? != JsonEvent::StartObject {
-                            return Err(SyntaxError::msg("'results' should be an object").into());
+                            return Err(QueryResultsSyntaxError::msg(
+                                "'results' should be an object",
+                            )
+                            .into());
                         }
                         loop {
                             match reader.read_next_event()? {
                                 JsonEvent::ObjectKey(k) if k == "bindings" => break, // Found
                                 JsonEvent::ObjectKey(_) => ignore_value(&mut reader)?,
                                 _ => {
-                                    return Err(SyntaxError::msg(
+                                    return Err(QueryResultsSyntaxError::msg(
                                         "'results' should contain a 'bindings' key",
                                     )
                                     .into())
@@ -284,7 +289,10 @@ impl<R: Read> JsonQueryResultsReader<R> {
                             }
                         }
                         if reader.read_next_event()? != JsonEvent::StartArray {
-                            return Err(SyntaxError::msg("'bindings' should be an object").into());
+                            return Err(QueryResultsSyntaxError::msg(
+                                "'bindings' should be an object",
+                            )
+                            .into());
                         }
                         if let Some(variables) = variables {
                             let mut mapping = BTreeMap::default();
@@ -318,9 +326,10 @@ impl<R: Read> JsonQueryResultsReader<R> {
                                     values.push(read_value(&mut reader, 0)?);
                                 }
                                 _ => {
-                                    return Err(
+                                    return Err(QueryResultsSyntaxError::msg(
-                                        SyntaxError::msg("Invalid result serialization").into()
+                                        "Invalid result serialization",
                                     )
+                                    .into())
                                 }
                             }
                         }
@@ -329,11 +338,11 @@ impl<R: Read> JsonQueryResultsReader<R> {
                         return if let JsonEvent::Boolean(v) = reader.read_next_event()? {
                             Ok(Self::Boolean(v))
                         } else {
-                            Err(SyntaxError::msg("Unexpected boolean value").into())
+                            Err(QueryResultsSyntaxError::msg("Unexpected boolean value").into())
                         }
                     }
                     _ => {
-                        return Err(SyntaxError::msg(format!(
+                        return Err(QueryResultsSyntaxError::msg(format!(
                             "Expecting head or result key, found {key}"
                         ))
                         .into());
@@ -344,13 +353,18 @@ impl<R: Read> JsonQueryResultsReader<R> {
                     return if let Some(output_iter) = output_iter {
                         Ok(output_iter)
                     } else {
-                        Err(SyntaxError::msg(
+                        Err(QueryResultsSyntaxError::msg(
                             "Unexpected end of JSON object without 'results' or 'boolean' key",
                         )
                         .into())
                     }
                 }
-                _ => return Err(SyntaxError::msg("Invalid SPARQL results serialization").into()),
+                _ => {
+                    return Err(QueryResultsSyntaxError::msg(
+                        "Invalid SPARQL results serialization",
+                    )
+                    .into())
+                }
             }
         }
     }
@@ -371,7 +385,7 @@ enum JsonSolutionsReaderKind<R: Read> {
 }
 
 impl<R: Read> JsonSolutionsReader<R> {
-    pub fn read_next(&mut self) -> Result<Option<Vec<Option<Term>>>, ParseError> {
+    pub fn read_next(&mut self) -> Result<Option<Vec<Option<Term>>>, QueryResultsParseError> {
         match &mut self.kind {
             JsonSolutionsReaderKind::Streaming { reader } => {
                 let mut new_bindings = vec![None; self.mapping.len()];
@@ -382,13 +396,18 @@ impl<R: Read> JsonSolutionsReader<R> {
                         JsonEvent::EndArray | JsonEvent::Eof => return Ok(None),
                         JsonEvent::ObjectKey(key) => {
                             let k = *self.mapping.get(key.as_ref()).ok_or_else(|| {
-                                SyntaxError::msg(format!(
+                                QueryResultsSyntaxError::msg(format!(
                                     "The variable {key} has not been defined in the header"
                                 ))
                             })?;
                             new_bindings[k] = Some(read_value(reader, 0)?)
                         }
-                        _ => return Err(SyntaxError::msg("Invalid result serialization").into()),
+                        _ => {
+                            return Err(QueryResultsSyntaxError::msg(
+                                "Invalid result serialization",
+                            )
+                            .into())
+                        }
                     }
                 }
             }
@@ -397,7 +416,7 @@ impl<R: Read> JsonSolutionsReader<R> {
                     let mut new_bindings = vec![None; self.mapping.len()];
                     for (variable, value) in variables.into_iter().zip(values) {
                         let k = *self.mapping.get(&variable).ok_or_else(|| {
-                            SyntaxError::msg(format!(
+                            QueryResultsSyntaxError::msg(format!(
                                 "The variable {variable} has not been defined in the header"
                             ))
                         })?;
@@ -415,7 +434,7 @@ impl<R: Read> JsonSolutionsReader<R> {
 fn read_value<R: Read>(
     reader: &mut FromReadJsonReader<R>,
     number_of_recursive_calls: usize,
-) -> Result<Term, ParseError> {
+) -> Result<Term, QueryResultsParseError> {
     enum Type {
         Uri,
         BNode,
@@ -432,7 +451,7 @@ fn read_value<R: Read>(
     }
 
     if number_of_recursive_calls == MAX_NUMBER_OF_NESTED_TRIPLES {
-        return Err(SyntaxError::msg(format!(
+        return Err(QueryResultsSyntaxError::msg(format!(
             "Too many nested triples ({MAX_NUMBER_OF_NESTED_TRIPLES}). The parser fails here to avoid a stack overflow."
         ))
             .into());
@@ -449,7 +468,7 @@ fn read_value<R: Read>(
     #[cfg(feature = "rdf-star")]
     let mut object = None;
     if reader.read_next_event()? != JsonEvent::StartObject {
-        return Err(SyntaxError::msg("Term serializations should be an object").into());
+        return Err(QueryResultsSyntaxError::msg("Term serializations should be an object").into());
     }
     loop {
         #[allow(unsafe_code)]
@@ -472,7 +491,7 @@ fn read_value<R: Read>(
                 #[cfg(feature = "rdf-star")]
                 "object" => object = Some(read_value(reader, number_of_recursive_calls + 1)?),
                 _ => {
-                    return Err(SyntaxError::msg(format!(
+                    return Err(QueryResultsSyntaxError::msg(format!(
                         "Unexpected key in term serialization: '{key}'"
                     ))
                     .into())
@@ -480,9 +499,10 @@ fn read_value<R: Read>(
             },
             JsonEvent::StartObject => {
                 if state != Some(State::Value) {
-                    return Err(
+                    return Err(QueryResultsSyntaxError::msg(
-                        SyntaxError::msg("Unexpected nested object in term serialization").into(),
+                        "Unexpected nested object in term serialization",
-                    );
+                    )
+                    .into());
                 }
             }
             JsonEvent::String(s) => match state {
@@ -494,9 +514,10 @@ fn read_value<R: Read>(
                         #[cfg(feature = "rdf-star")]
                         "triple" => t = Some(Type::Triple),
                         _ => {
-                            return Err(
+                            return Err(QueryResultsSyntaxError::msg(format!(
-                                SyntaxError::msg(format!("Unexpected term type: '{s}'")).into()
+                                "Unexpected term type: '{s}'"
-                            )
+                            ))
+                            .into())
                         }
                     };
                     state = None;
@@ -510,10 +531,9 @@ fn read_value<R: Read>(
                     state = None;
                 }
                 Some(State::Datatype) => {
-                    datatype = Some(
+                    datatype = Some(NamedNode::new(s).map_err(|e| {
-                        NamedNode::new(s)
+                        QueryResultsSyntaxError::msg(format!("Invalid datatype IRI: {e}"))
-                            .map_err(|e| SyntaxError::msg(format!("Invalid datatype IRI: {e}")))?,
+                    })?);
-                    );
                     state = None;
                 }
                 _ => (), // impossible
@@ -523,41 +543,52 @@ fn read_value<R: Read>(
                     if s == State::Value {
                         state = None; // End of triple
                     } else {
-                        return Err(
+                        return Err(QueryResultsSyntaxError::msg(
-                            SyntaxError::msg("Term description values should be string").into()
+                            "Term description values should be string",
-                        );
+                        )
+                        .into());
                     }
                 } else {
                     return match t {
-                        None => Err(SyntaxError::msg(
+                        None => Err(QueryResultsSyntaxError::msg(
                             "Term serialization should have a 'type' key",
                         )
                         .into()),
                         Some(Type::Uri) => Ok(NamedNode::new(value.ok_or_else(|| {
-                            SyntaxError::msg("uri serialization should have a 'value' key")
+                            QueryResultsSyntaxError::msg(
+                                "uri serialization should have a 'value' key",
+                            )
                         })?)
-                        .map_err(|e| SyntaxError::msg(format!("Invalid uri value: {e}")))?
+                        .map_err(|e| {
+                            QueryResultsSyntaxError::msg(format!("Invalid uri value: {e}"))
+                        })?
                         .into()),
                         Some(Type::BNode) => Ok(BlankNode::new(value.ok_or_else(|| {
-                            SyntaxError::msg("bnode serialization should have a 'value' key")
+                            QueryResultsSyntaxError::msg(
+                                "bnode serialization should have a 'value' key",
+                            )
                         })?)
-                        .map_err(|e| SyntaxError::msg(format!("Invalid bnode value: {e}")))?
+                        .map_err(|e| {
+                            QueryResultsSyntaxError::msg(format!("Invalid bnode value: {e}"))
+                        })?
                         .into()),
                         Some(Type::Literal) => {
                             let value = value.ok_or_else(|| {
-                                SyntaxError::msg("literal serialization should have a 'value' key")
+                                QueryResultsSyntaxError::msg(
+                                    "literal serialization should have a 'value' key",
+                                )
                             })?;
                             Ok(match lang {
                                 Some(lang) => {
                                     if let Some(datatype) = datatype {
                                         if datatype.as_ref() != rdf::LANG_STRING {
-                                            return Err(SyntaxError::msg(format!(
+                                            return Err(QueryResultsSyntaxError::msg(format!(
                                                 "xml:lang value '{lang}' provided with the datatype {datatype}"
                                             )).into())
                                         }
                                     }
                                     Literal::new_language_tagged_literal(value, &*lang).map_err(|e| {
-                                        SyntaxError::msg(format!("Invalid xml:lang value '{lang}': {e}"))
+                                        QueryResultsSyntaxError::msg(format!("Invalid xml:lang value '{lang}': {e}"))
                                     })?
                                 }
                                 None => if let Some(datatype) = datatype {
@@ -571,47 +602,53 @@ fn read_value<R: Read>(
                         #[cfg(feature = "rdf-star")]
                         Some(Type::Triple) => Ok(Triple::new(
                             match subject.ok_or_else(|| {
-                                SyntaxError::msg("triple serialization should have a 'subject' key")
+                                QueryResultsSyntaxError::msg(
+                                    "triple serialization should have a 'subject' key",
+                                )
                             })? {
                                 Term::NamedNode(subject) => subject.into(),
                                 Term::BlankNode(subject) => subject.into(),
                                 Term::Triple(subject) => Subject::Triple(subject),
                                 Term::Literal(_) => {
-                                    return Err(SyntaxError::msg(
+                                    return Err(QueryResultsSyntaxError::msg(
                                         "The 'subject' value should not be a literal",
                                     )
                                     .into())
                                 }
                             },
                             match predicate.ok_or_else(|| {
-                                SyntaxError::msg(
+                                QueryResultsSyntaxError::msg(
                                     "triple serialization should have a 'predicate' key",
                                 )
                             })? {
                                 Term::NamedNode(predicate) => predicate,
                                 _ => {
-                                    return Err(SyntaxError::msg(
+                                    return Err(QueryResultsSyntaxError::msg(
                                         "The 'predicate' value should be a uri",
                                     )
                                     .into())
                                 }
                             },
                             object.ok_or_else(|| {
-                                SyntaxError::msg("triple serialization should have a 'object' key")
+                                QueryResultsSyntaxError::msg(
+                                    "triple serialization should have a 'object' key",
+                                )
                             })?,
                         )
                         .into()),
                     };
                 }
             }
-            _ => return Err(SyntaxError::msg("Invalid term serialization").into()),
+            _ => return Err(QueryResultsSyntaxError::msg("Invalid term serialization").into()),
         }
     }
 }
 
-fn read_head<R: Read>(reader: &mut FromReadJsonReader<R>) -> Result<Vec<Variable>, ParseError> {
+fn read_head<R: Read>(
+    reader: &mut FromReadJsonReader<R>,
+) -> Result<Vec<Variable>, QueryResultsParseError> {
     if reader.read_next_event()? != JsonEvent::StartObject {
-        return Err(SyntaxError::msg("head should be an object").into());
+        return Err(QueryResultsSyntaxError::msg("head should be an object").into());
     }
     let mut variables = Vec::new();
     loop {
@@ -619,18 +656,21 @@ fn read_head<R: Read>(reader: &mut FromReadJsonReader<R>) -> Result<Vec<Variable
             JsonEvent::ObjectKey(key) => match key.as_ref() {
                 "vars" => {
                     if reader.read_next_event()? != JsonEvent::StartArray {
-                        return Err(SyntaxError::msg("Variable list should be an array").into());
+                        return Err(QueryResultsSyntaxError::msg(
+                            "Variable list should be an array",
+                        )
+                        .into());
                     }
                     loop {
                         match reader.read_next_event()? {
                             JsonEvent::String(s) => {
                                 let new_var = Variable::new(s.as_ref()).map_err(|e| {
-                                    SyntaxError::msg(format!(
+                                    QueryResultsSyntaxError::msg(format!(
                                         "Invalid variable declaration '{s}': {e}"
                                     ))
                                 })?;
                                 if variables.contains(&new_var) {
-                                    return Err(SyntaxError::msg(format!(
+                                    return Err(QueryResultsSyntaxError::msg(format!(
                                         "The variable {new_var} is declared twice"
                                     ))
                                     .into());
@@ -639,23 +679,30 @@ fn read_head<R: Read>(reader: &mut FromReadJsonReader<R>) -> Result<Vec<Variable
                             }
                             JsonEvent::EndArray => break,
                             _ => {
-                                return Err(
+                                return Err(QueryResultsSyntaxError::msg(
-                                    SyntaxError::msg("Variable names should be strings").into()
+                                    "Variable names should be strings",
                                 )
+                                .into())
                             }
                         }
                     }
                 }
                 "link" => {
                     if reader.read_next_event()? != JsonEvent::StartArray {
-                        return Err(SyntaxError::msg("Variable list should be an array").into());
+                        return Err(QueryResultsSyntaxError::msg(
+                            "Variable list should be an array",
+                        )
+                        .into());
                     }
                     loop {
                         match reader.read_next_event()? {
                             JsonEvent::String(_) => (),
                             JsonEvent::EndArray => break,
                             _ => {
-                                return Err(SyntaxError::msg("Link names should be strings").into())
+                                return Err(QueryResultsSyntaxError::msg(
+                                    "Link names should be strings",
+                                )
+                                .into())
                             }
                         }
                     }
@@ -663,12 +710,12 @@ fn read_head<R: Read>(reader: &mut FromReadJsonReader<R>) -> Result<Vec<Variable
                 _ => ignore_value(reader)?,
             },
             JsonEvent::EndObject => return Ok(variables),
-            _ => return Err(SyntaxError::msg("Invalid head serialization").into()),
+            _ => return Err(QueryResultsSyntaxError::msg("Invalid head serialization").into()),
         }
     }
 }
 
-fn ignore_value<R: Read>(reader: &mut FromReadJsonReader<R>) -> Result<(), ParseError> {
+fn ignore_value<R: Read>(reader: &mut FromReadJsonReader<R>) -> Result<(), QueryResultsParseError> {
     let mut nesting = 0;
     loop {
         match reader.read_next_event()? {
@@ -688,7 +735,9 @@ fn ignore_value<R: Read>(reader: &mut FromReadJsonReader<R>) -> Result<(), Parse
                     return Ok(());
                 }
             }
-            JsonEvent::Eof => return Err(SyntaxError::msg("Unexpected end of file").into()),
+            JsonEvent::Eof => {
+                return Err(QueryResultsSyntaxError::msg("Unexpected end of file").into())
+            }
         }
     }
 }

lib/sparesults/src/lib.rs

@@ -13,7 +13,7 @@ mod serializer;
 pub mod solution;
 mod xml;
 
-pub use crate::error::{ParseError, SyntaxError, TextPosition};
+pub use crate::error::{QueryResultsParseError, QueryResultsSyntaxError, TextPosition};
 pub use crate::format::QueryResultsFormat;
 pub use crate::parser::{FromReadQueryResultsReader, FromReadSolutionsReader, QueryResultsParser};
 pub use crate::serializer::{QueryResultsSerializer, ToWriteSolutionsWriter};

lib/sparesults/src/parser.rs

@@ -1,5 +1,5 @@
 use crate::csv::{TsvQueryResultsReader, TsvSolutionsReader};
-use crate::error::{ParseError, SyntaxError};
+use crate::error::{QueryResultsParseError, QueryResultsSyntaxError};
 use crate::format::QueryResultsFormat;
 use crate::json::{JsonQueryResultsReader, JsonSolutionsReader};
 use crate::solution::QuerySolution;
@@ -32,7 +32,7 @@ use std::sync::Arc;
 ///         assert_eq!(solution?.iter().collect::<Vec<_>>(), vec![(&Variable::new_unchecked("foo"), &Literal::from("test").into())]);
 ///     }
 /// }
-/// # Result::<(),sparesults::ParseError>::Ok(())
+/// # Result::<(),sparesults::QueryResultsParseError>::Ok(())
 /// ```
 pub struct QueryResultsParser {
     format: QueryResultsFormat,
@@ -68,12 +68,12 @@ impl QueryResultsParser {
     ///         assert_eq!(solution?.iter().collect::<Vec<_>>(), vec![(&Variable::new_unchecked("foo"), &Literal::from("test").into())]);
     ///     }
     /// }
-    /// # Result::<(),sparesults::ParseError>::Ok(())
+    /// # Result::<(),sparesults::QueryResultsParseError>::Ok(())
     /// ```
     pub fn parse_read<R: Read>(
         &self,
         reader: R,
-    ) -> Result<FromReadQueryResultsReader<R>, ParseError> {
+    ) -> Result<FromReadQueryResultsReader<R>, QueryResultsParseError> {
         Ok(match self.format {
             QueryResultsFormat::Xml => match XmlQueryResultsReader::read(reader)? {
                 XmlQueryResultsReader::Boolean(r) => FromReadQueryResultsReader::Boolean(r),
@@ -95,7 +95,7 @@ impl QueryResultsParser {
                     solutions: SolutionsReaderKind::Json(solutions),
                 }),
             },
-            QueryResultsFormat::Csv => return Err(SyntaxError::msg("CSV SPARQL results syntax is lossy and can't be parsed to a proper RDF representation").into()),
+            QueryResultsFormat::Csv => return Err(QueryResultsSyntaxError::msg("CSV SPARQL results syntax is lossy and can't be parsed to a proper RDF representation").into()),
             QueryResultsFormat::Tsv => match TsvQueryResultsReader::read(reader)? {
                 TsvQueryResultsReader::Boolean(r) => FromReadQueryResultsReader::Boolean(r),
                 TsvQueryResultsReader::Solutions {
@@ -113,7 +113,7 @@ impl QueryResultsParser {
     pub fn read_results<R: Read>(
         &self,
         reader: R,
-    ) -> Result<FromReadQueryResultsReader<R>, ParseError> {
+    ) -> Result<FromReadQueryResultsReader<R>, QueryResultsParseError> {
         self.parse_read(reader)
     }
 }
@@ -161,7 +161,7 @@ impl From<QueryResultsFormat> for QueryResultsParser {
 ///         );
 ///     }
 /// }
-/// # Result::<(),sparesults::ParseError>::Ok(())
+/// # Result::<(),sparesults::QueryResultsParseError>::Ok(())
 /// ```
 pub enum FromReadQueryResultsReader<R: Read> {
     Solutions(FromReadSolutionsReader<R>),
@@ -184,7 +184,7 @@ pub enum FromReadQueryResultsReader<R: Read> {
 ///         assert_eq!(solution?.iter().collect::<Vec<_>>(), vec![(&Variable::new_unchecked("foo"), &Literal::from("test").into())]);
 ///     }
 /// }
-/// # Result::<(),sparesults::ParseError>::Ok(())
+/// # Result::<(),sparesults::QueryResultsParseError>::Ok(())
 /// ```
 pub struct FromReadSolutionsReader<R: Read> {
     variables: Arc<[Variable]>,
@@ -217,7 +217,7 @@ impl<R: Read> FromReadSolutionsReader<R> {
     ///         ]
     ///     );
     /// }
-    /// # Result::<(),sparesults::ParseError>::Ok(())
+    /// # Result::<(),sparesults::QueryResultsParseError>::Ok(())
     /// ```
     #[inline]
     pub fn variables(&self) -> &[Variable] {
@@ -226,7 +226,7 @@ impl<R: Read> FromReadSolutionsReader<R> {
 }
 
 impl<R: Read> Iterator for FromReadSolutionsReader<R> {
-    type Item = Result<QuerySolution, ParseError>;
+    type Item = Result<QuerySolution, QueryResultsParseError>;
 
     fn next(&mut self) -> Option<Self::Item> {
         Some(

lib/sparesults/src/xml.rs

@@ -1,6 +1,6 @@
 //! Implementation of [SPARQL Query Results XML Format](https://www.w3.org/TR/rdf-sparql-XMLres/)
 
-use crate::error::{ParseError, SyntaxError};
+use crate::error::{QueryResultsParseError, QueryResultsSyntaxError};
 use oxrdf::vocab::rdf;
 use oxrdf::*;
 use quick_xml::events::{BytesDecl, BytesEnd, BytesStart, BytesText, Event};
@@ -227,7 +227,7 @@ pub enum XmlQueryResultsReader<R: Read> {
 }
 
 impl<R: Read> XmlQueryResultsReader<R> {
-    pub fn read(source: R) -> Result<Self, ParseError> {
+    pub fn read(source: R) -> Result<Self, QueryResultsParseError> {
         enum State {
             Start,
             Sparql,
@@ -254,14 +254,14 @@ impl<R: Read> XmlQueryResultsReader<R> {
                         if event.local_name().as_ref() == b"sparql" {
                             state = State::Sparql;
                         } else {
-                            return Err(SyntaxError::msg(format!("Expecting <sparql> tag, found <{}>", decode(&reader, &event.name())?)).into());
+                            return Err(QueryResultsSyntaxError::msg(format!("Expecting <sparql> tag, found <{}>", decode(&reader, &event.name())?)).into());
                         }
                     }
                     State::Sparql => {
                         if event.local_name().as_ref() == b"head" {
                             state = State::Head;
                         } else {
-                            return Err(SyntaxError::msg(format!("Expecting <head> tag, found <{}>",decode(&reader, &event.name())?)).into());
+                            return Err(QueryResultsSyntaxError::msg(format!("Expecting <head> tag, found <{}>", decode(&reader, &event.name())?)).into());
                         }
                     }
                     State::Head => {
@@ -269,11 +269,11 @@ impl<R: Read> XmlQueryResultsReader<R> {
                             let name = event.attributes()
                                 .filter_map(Result::ok)
                                 .find(|attr| attr.key.local_name().as_ref() == b"name")
-                                .ok_or_else(|| SyntaxError::msg("No name attribute found for the <variable> tag"))?
+                                .ok_or_else(|| QueryResultsSyntaxError::msg("No name attribute found for the <variable> tag"))?
                                 .decode_and_unescape_value(&reader)?;
-                            let variable = Variable::new(name).map_err(|e| SyntaxError::msg(format!("Invalid variable name: {e}")))?;
+                            let variable = Variable::new(name).map_err(|e| QueryResultsSyntaxError::msg(format!("Invalid variable name: {e}")))?;
                             if variables.contains(&variable) {
-                                return Err(SyntaxError::msg(format!(
+                                return Err(QueryResultsSyntaxError::msg(format!(
                                     "The variable {variable} is declared twice"
                                 ))
                                     .into());
@@ -282,7 +282,7 @@ impl<R: Read> XmlQueryResultsReader<R> {
                         } else if event.local_name().as_ref() == b"link" {
                             // no op
                         } else {
-                            return Err(SyntaxError::msg(format!("Expecting <variable> or <link> tag, found <{}>", decode(&reader, &event.name())?)).into());
+                            return Err(QueryResultsSyntaxError::msg(format!("Expecting <variable> or <link> tag, found <{}>", decode(&reader, &event.name())?)).into());
                         }
                     }
                     State::AfterHead => {
@@ -304,10 +304,10 @@ impl<R: Read> XmlQueryResultsReader<R> {
                                     object_stack: Vec::new(),
                                 }});
                         } else if event.local_name().as_ref() != b"link" && event.local_name().as_ref() != b"results" && event.local_name().as_ref() != b"boolean" {
-                            return Err(SyntaxError::msg(format!("Expecting sparql tag, found <{}>", decode(&reader, &event.name())?)).into());
+                            return Err(QueryResultsSyntaxError::msg(format!("Expecting sparql tag, found <{}>", decode(&reader, &event.name())?)).into());
                         }
                     }
-                    State::Boolean => return Err(SyntaxError::msg(format!("Unexpected tag inside of <boolean> tag: <{}>", decode(&reader, &event.name())?)).into())
+                    State::Boolean => return Err(QueryResultsSyntaxError::msg(format!("Unexpected tag inside of <boolean> tag: <{}>", decode(&reader, &event.name())?)).into())
                 },
                 Event::Text(event) => {
                     let value = event.unescape()?;
@@ -318,10 +318,10 @@ impl<R: Read> XmlQueryResultsReader<R> {
                             } else if value == "false" {
                                 Ok(Self::Boolean(false))
                             } else {
-                                Err(SyntaxError::msg(format!("Unexpected boolean value. Found '{value}'")).into())
+                                Err(QueryResultsSyntaxError::msg(format!("Unexpected boolean value. Found '{value}'")).into())
                             };
                         }
-                        _ => Err(SyntaxError::msg(format!("Unexpected textual value found: '{value}'")).into())
+                        _ => Err(QueryResultsSyntaxError::msg(format!("Unexpected textual value found: '{value}'")).into())
                     };
                 },
                 Event::End(event) => {
@@ -330,10 +330,10 @@ impl<R: Read> XmlQueryResultsReader<R> {
                             state = State::AfterHead
                         }
                     } else {
-                        return Err(SyntaxError::msg("Unexpected early file end. All results file should have a <head> and a <result> or <boolean> tag").into());
+                        return Err(QueryResultsSyntaxError::msg("Unexpected early file end. All results file should have a <head> and a <result> or <boolean> tag").into());
                     }
                 },
-                Event::Eof => return Err(SyntaxError::msg("Unexpected early file end. All results file should have a <head> and a <result> or <boolean> tag").into()),
+                Event::Eof => return Err(QueryResultsSyntaxError::msg("Unexpected early file end. All results file should have a <head> and a <result> or <boolean> tag").into()),
                 _ => (),
             }
         }
@@ -365,7 +365,7 @@ pub struct XmlSolutionsReader<R: Read> {
 }
 
 impl<R: Read> XmlSolutionsReader<R> {
-    pub fn read_next(&mut self) -> Result<Option<Vec<Option<Term>>>, ParseError> {
+    pub fn read_next(&mut self) -> Result<Option<Vec<Option<Term>>>, QueryResultsParseError> {
         let mut state = State::Start;
 
         let mut new_bindings = vec![None; self.mapping.len()];
@@ -383,7 +383,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                         if event.local_name().as_ref() == b"result" {
                             state = State::Result;
                         } else {
-                            return Err(SyntaxError::msg(format!(
+                            return Err(QueryResultsSyntaxError::msg(format!(
                                 "Expecting <result>, found <{}>",
                                 decode(&self.reader, &event.name())?
                             ))
@@ -403,7 +403,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                                     )
                                 }
                                 None => {
-                                    return Err(SyntaxError::msg(
+                                    return Err(QueryResultsSyntaxError::msg(
                                         "No name attribute found for the <binding> tag",
                                     )
                                     .into());
@@ -411,7 +411,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                             }
                             state = State::Binding;
                         } else {
-                            return Err(SyntaxError::msg(format!(
+                            return Err(QueryResultsSyntaxError::msg(format!(
                                 "Expecting <binding>, found <{}>",
                                 decode(&self.reader, &event.name())?
                             ))
@@ -420,7 +420,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                     }
                     State::Binding | State::Subject | State::Predicate | State::Object => {
                         if term.is_some() {
-                            return Err(SyntaxError::msg(
+                            return Err(QueryResultsSyntaxError::msg(
                                 "There is already a value for the current binding",
                             )
                             .into());
@@ -441,7 +441,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                                     let iri = attr.decode_and_unescape_value(&self.reader)?;
                                     datatype =
                                         Some(NamedNode::new(iri.to_string()).map_err(|e| {
-                                            SyntaxError::msg(format!(
+                                            QueryResultsSyntaxError::msg(format!(
                                                 "Invalid datatype IRI '{iri}': {e}"
                                             ))
                                         })?);
@@ -451,7 +451,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                         } else if event.local_name().as_ref() == b"triple" {
                             state = State::Triple;
                         } else {
-                            return Err(SyntaxError::msg(format!(
+                            return Err(QueryResultsSyntaxError::msg(format!(
                                 "Expecting <uri>, <bnode> or <literal> found <{}>",
                                 decode(&self.reader, &event.name())?
                             ))
@@ -466,7 +466,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                         } else if event.local_name().as_ref() == b"object" {
                             state = State::Object
                         } else {
-                            return Err(SyntaxError::msg(format!(
+                            return Err(QueryResultsSyntaxError::msg(format!(
                                 "Expecting <subject>, <predicate> or <object> found <{}>",
                                 decode(&self.reader, &event.name())?
                             ))
@@ -482,7 +482,9 @@ impl<R: Read> XmlSolutionsReader<R> {
                             term = Some(
                                 NamedNode::new(data.to_string())
                                     .map_err(|e| {
-                                        SyntaxError::msg(format!("Invalid IRI value '{data}': {e}"))
+                                        QueryResultsSyntaxError::msg(format!(
+                                            "Invalid IRI value '{data}': {e}"
+                                        ))
                                     })?
                                     .into(),
                             )
@@ -491,7 +493,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                             term = Some(
                                 BlankNode::new(data.to_string())
                                     .map_err(|e| {
-                                        SyntaxError::msg(format!(
+                                        QueryResultsSyntaxError::msg(format!(
                                             "Invalid blank node value '{data}': {e}"
                                         ))
                                     })?
@@ -502,7 +504,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                             term = Some(build_literal(data, lang.take(), datatype.take())?.into());
                         }
                         _ => {
-                            return Err(SyntaxError::msg(format!(
+                            return Err(QueryResultsSyntaxError::msg(format!(
                                 "Unexpected textual value found: {data}"
                             ))
                             .into());
@@ -518,11 +520,14 @@ impl<R: Read> XmlSolutionsReader<R> {
                                 new_bindings[*var] = term.take()
                             } else {
                                 return Err(
-                                    SyntaxError::msg(format!("The variable '{var}' is used in a binding but not declared in the variables list")).into()
+                                    QueryResultsSyntaxError::msg(format!("The variable '{var}' is used in a binding but not declared in the variables list")).into()
                                 );
                             }
                         } else {
-                            return Err(SyntaxError::msg("No name found for <binding> tag").into());
+                            return Err(QueryResultsSyntaxError::msg(
+                                "No name found for <binding> tag",
+                            )
+                            .into());
                         }
                         state = State::Result;
                     }
@@ -548,7 +553,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                         state = self
                             .stack
                             .pop()
-                            .ok_or_else(|| SyntaxError::msg("Empty stack"))?
+                            .ok_or_else(|| QueryResultsSyntaxError::msg("Empty stack"))?
                     }
                     State::BNode => {
                         if term.is_none() {
@@ -558,7 +563,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                         state = self
                             .stack
                             .pop()
-                            .ok_or_else(|| SyntaxError::msg("Empty stack"))?
+                            .ok_or_else(|| QueryResultsSyntaxError::msg("Empty stack"))?
                     }
                     State::Literal => {
                         if term.is_none() {
@@ -568,7 +573,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                         state = self
                             .stack
                             .pop()
-                            .ok_or_else(|| SyntaxError::msg("Empty stack"))?;
+                            .ok_or_else(|| QueryResultsSyntaxError::msg("Empty stack"))?;
                     }
                     State::Triple => {
                         #[cfg(feature = "rdf-star")]
@@ -584,7 +589,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                                         Term::BlankNode(subject) => subject.into(),
                                         Term::Triple(subject) => Subject::Triple(subject),
                                         Term::Literal(_) => {
-                                            return Err(SyntaxError::msg(
+                                            return Err(QueryResultsSyntaxError::msg(
                                                 "The <subject> value should not be a <literal>",
                                             )
                                             .into())
@@ -593,7 +598,7 @@ impl<R: Read> XmlSolutionsReader<R> {
                                     match predicate {
                                         Term::NamedNode(predicate) => predicate,
                                         _ => {
-                                            return Err(SyntaxError::msg(
+                                            return Err(QueryResultsSyntaxError::msg(
                                                 "The <predicate> value should be an <uri>",
                                             )
                                             .into())
@@ -606,15 +611,15 @@ impl<R: Read> XmlSolutionsReader<R> {
                             state = self
                                 .stack
                                 .pop()
-                                .ok_or_else(|| SyntaxError::msg("Empty stack"))?;
+                                .ok_or_else(|| QueryResultsSyntaxError::msg("Empty stack"))?;
                         } else {
                             return Err(
-                                SyntaxError::msg("A <triple> should contain a <subject>, a <predicate> and an <object>").into()
+                                QueryResultsSyntaxError::msg("A <triple> should contain a <subject>, a <predicate> and an <object>").into()
                             );
                         }
                         #[cfg(not(feature = "rdf-star"))]
                         {
-                            return Err(SyntaxError::msg(
+                            return Err(QueryResultsSyntaxError::msg(
                                 "The <triple> tag is only supported with RDF-star",
                             )
                             .into());
@@ -633,19 +638,19 @@ fn build_literal(
     value: impl Into<String>,
     lang: Option<String>,
     datatype: Option<NamedNode>,
-) -> Result<Literal, ParseError> {
+) -> Result<Literal, QueryResultsParseError> {
     match lang {
         Some(lang) => {
             if let Some(datatype) = datatype {
                 if datatype.as_ref() != rdf::LANG_STRING {
-                    return Err(SyntaxError::msg(format!(
+                    return Err(QueryResultsSyntaxError::msg(format!(
                         "xml:lang value '{lang}' provided with the datatype {datatype}"
                     ))
                     .into());
                 }
             }
             Literal::new_language_tagged_literal(value, &lang).map_err(|e| {
-                SyntaxError::msg(format!("Invalid xml:lang value '{lang}': {e}")).into()
+                QueryResultsSyntaxError::msg(format!("Invalid xml:lang value '{lang}': {e}")).into()
             })
         }
         None => Ok(if let Some(datatype) = datatype {
@@ -659,7 +664,7 @@ fn build_literal(
 fn decode<'a, T>(
     reader: &Reader<T>,
     data: &'a impl AsRef<[u8]>,
-) -> Result<Cow<'a, str>, ParseError> {
+) -> Result<Cow<'a, str>, QueryResultsParseError> {
     Ok(reader.decoder().decode(data.as_ref())?)
 }
 

lib/spargebra/src/lib.rs

@@ -10,6 +10,6 @@ mod query;
 pub mod term;
 mod update;
 
-pub use parser::ParseError;
+pub use parser::SparqlSyntaxError;
 pub use query::*;
 pub use update::*;

lib/spargebra/src/parser.rs

@@ -15,16 +15,16 @@ use std::mem::take;
 use std::str::FromStr;
 
 /// Parses a SPARQL query with an optional base IRI to resolve relative IRIs in the query.
-pub fn parse_query(query: &str, base_iri: Option<&str>) -> Result<Query, ParseError> {
+pub fn parse_query(query: &str, base_iri: Option<&str>) -> Result<Query, SparqlSyntaxError> {
     let mut state = ParserState::from_base_iri(base_iri)?;
-    parser::QueryUnit(query, &mut state).map_err(|e| ParseError(ParseErrorKind::Parser(e)))
+    parser::QueryUnit(query, &mut state).map_err(|e| SparqlSyntaxError(ParseErrorKind::Syntax(e)))
 }
 
 /// Parses a SPARQL update with an optional base IRI to resolve relative IRIs in the query.
-pub fn parse_update(update: &str, base_iri: Option<&str>) -> Result<Update, ParseError> {
+pub fn parse_update(update: &str, base_iri: Option<&str>) -> Result<Update, SparqlSyntaxError> {
     let mut state = ParserState::from_base_iri(base_iri)?;
     let operations = parser::UpdateInit(update, &mut state)
-        .map_err(|e| ParseError(ParseErrorKind::Parser(e)))?;
+        .map_err(|e| SparqlSyntaxError(ParseErrorKind::Syntax(e)))?;
     Ok(Update {
         operations,
         base_iri: state.base_iri,
@@ -34,14 +34,14 @@ pub fn parse_update(update: &str, base_iri: Option<&str>) -> Result<Update, Pars
 /// Error returned during SPARQL parsing.
 #[derive(Debug, thiserror::Error)]
 #[error(transparent)]
-pub struct ParseError(#[from] ParseErrorKind);
+pub struct SparqlSyntaxError(#[from] ParseErrorKind);
 
 #[derive(Debug, thiserror::Error)]
 enum ParseErrorKind {
     #[error("Invalid SPARQL base IRI provided: {0}")]
     InvalidBaseIri(#[from] IriParseError),
     #[error(transparent)]
-    Parser(#[from] peg::error::ParseError<LineCol>),
+    Syntax(#[from] peg::error::ParseError<LineCol>),
 }
 
 struct AnnotatedTerm {
@@ -669,12 +669,12 @@ pub struct ParserState {
 }
 
 impl ParserState {
-    pub(crate) fn from_base_iri(base_iri: Option<&str>) -> Result<Self, ParseError> {
+    pub(crate) fn from_base_iri(base_iri: Option<&str>) -> Result<Self, SparqlSyntaxError> {
         Ok(Self {
             base_iri: if let Some(base_iri) = base_iri {
                 Some(
                     Iri::parse(base_iri.to_owned())
-                        .map_err(|e| ParseError(ParseErrorKind::InvalidBaseIri(e)))?,
+                        .map_err(|e| SparqlSyntaxError(ParseErrorKind::InvalidBaseIri(e)))?,
                 )
             } else {
                 None

lib/spargebra/src/query.rs

@@ -1,5 +1,5 @@
 use crate::algebra::*;
-use crate::parser::{parse_query, ParseError};
+use crate::parser::{parse_query, SparqlSyntaxError};
 use crate::term::*;
 use oxiri::Iri;
 use std::fmt;
@@ -17,7 +17,7 @@ use std::str::FromStr;
 ///     query.to_sse(),
 ///     "(project (?s ?p ?o) (bgp (triple ?s ?p ?o)))"
 /// );
-/// # Ok::<_, spargebra::ParseError>(())
+/// # Ok::<_, spargebra::SparqlSyntaxError>(())
 /// ```
 #[derive(Eq, PartialEq, Debug, Clone, Hash)]
 pub enum Query {
@@ -63,7 +63,7 @@ pub enum Query {
 
 impl Query {
     /// Parses a SPARQL query with an optional base IRI to resolve relative IRIs in the query.
-    pub fn parse(query: &str, base_iri: Option<&str>) -> Result<Self, ParseError> {
+    pub fn parse(query: &str, base_iri: Option<&str>) -> Result<Self, SparqlSyntaxError> {
         parse_query(query, base_iri)
     }
 
@@ -276,7 +276,7 @@ impl fmt::Display for Query {
 }
 
 impl FromStr for Query {
-    type Err = ParseError;
+    type Err = SparqlSyntaxError;
 
     fn from_str(query: &str) -> Result<Self, Self::Err> {
         Self::parse(query, None)
@@ -284,7 +284,7 @@ impl FromStr for Query {
 }
 
 impl<'a> TryFrom<&'a str> for Query {
-    type Error = ParseError;
+    type Error = SparqlSyntaxError;
 
     fn try_from(query: &str) -> Result<Self, Self::Error> {
         Self::from_str(query)
@@ -292,7 +292,7 @@ impl<'a> TryFrom<&'a str> for Query {
 }
 
 impl<'a> TryFrom<&'a String> for Query {
-    type Error = ParseError;
+    type Error = SparqlSyntaxError;
 
     fn try_from(query: &String) -> Result<Self, Self::Error> {
         Self::from_str(query)

lib/spargebra/src/update.rs

@@ -1,5 +1,5 @@
 use crate::algebra::*;
-use crate::parser::{parse_update, ParseError};
+use crate::parser::{parse_update, SparqlSyntaxError};
 use crate::term::*;
 use oxiri::Iri;
 use std::fmt;
@@ -14,7 +14,7 @@ use std::str::FromStr;
 /// let update = Update::parse(update_str, None)?;
 /// assert_eq!(update.to_string().trim(), update_str);
 /// assert_eq!(update.to_sse(), "(update (clear all))");
-/// # Ok::<_, spargebra::ParseError>(())
+/// # Ok::<_, spargebra::SparqlSyntaxError>(())
 /// ```
 #[derive(Eq, PartialEq, Debug, Clone, Hash)]
 pub struct Update {
@@ -26,7 +26,7 @@ pub struct Update {
 
 impl Update {
     /// Parses a SPARQL update with an optional base IRI to resolve relative IRIs in the query.
-    pub fn parse(update: &str, base_iri: Option<&str>) -> Result<Self, ParseError> {
+    pub fn parse(update: &str, base_iri: Option<&str>) -> Result<Self, SparqlSyntaxError> {
         parse_update(update, base_iri)
     }
 
@@ -68,7 +68,7 @@ impl fmt::Display for Update {
 }
 
 impl FromStr for Update {
-    type Err = ParseError;
+    type Err = SparqlSyntaxError;
 
     fn from_str(update: &str) -> Result<Self, Self::Err> {
         Self::parse(update, None)
@@ -76,7 +76,7 @@ impl FromStr for Update {
 }
 
 impl<'a> TryFrom<&'a str> for Update {
-    type Error = ParseError;
+    type Error = SparqlSyntaxError;
 
     fn try_from(update: &str) -> Result<Self, Self::Error> {
         Self::from_str(update)
@@ -84,7 +84,7 @@ impl<'a> TryFrom<&'a str> for Update {
 }
 
 impl<'a> TryFrom<&'a String> for Update {
-    type Error = ParseError;
+    type Error = SparqlSyntaxError;
 
     fn try_from(update: &String) -> Result<Self, Self::Error> {
         Self::from_str(update)

python/src/io.rs

@@ -1,7 +1,7 @@
 #![allow(clippy::needless_option_as_deref)]
 
 use crate::model::{hash, PyQuad, PyTriple};
-use oxigraph::io::{FromReadQuadReader, ParseError, RdfFormat, RdfParser, RdfSerializer};
+use oxigraph::io::{FromReadQuadReader, RdfFormat, RdfParseError, RdfParser, RdfSerializer};
 use oxigraph::model::QuadRef;
 use pyo3::exceptions::{PyDeprecationWarning, PySyntaxError, PyValueError};
 use pyo3::intern;
@@ -556,9 +556,9 @@ pub enum PyRdfFormatInput {
     MediaType(String),
 }
 
-pub fn map_parse_error(error: ParseError, file_path: Option<PathBuf>) -> PyErr {
+pub fn map_parse_error(error: RdfParseError, file_path: Option<PathBuf>) -> PyErr {
     match error {
-        ParseError::Syntax(error) => {
+        RdfParseError::Syntax(error) => {
             // Python 3.9 does not support end line and end column
             if python_version() >= (3, 10) {
                 let params = if let Some(location) = error.location() {
@@ -588,7 +588,7 @@ pub fn map_parse_error(error: ParseError, file_path: Option<PathBuf>) -> PyErr {
                 PySyntaxError::new_err((error.to_string(), params))
             }
         }
-        ParseError::Io(error) => error.into(),
+        RdfParseError::Io(error) => error.into(),
     }
 }
 

python/src/sparql.rs

@@ -4,8 +4,8 @@ use crate::store::map_storage_error;
 use oxigraph::io::RdfSerializer;
 use oxigraph::model::Term;
 use oxigraph::sparql::results::{
-    FromReadQueryResultsReader, FromReadSolutionsReader, ParseError, QueryResultsFormat,
+    FromReadQueryResultsReader, FromReadSolutionsReader, QueryResultsFormat,
-    QueryResultsParser, QueryResultsSerializer,
+    QueryResultsParseError, QueryResultsParser, QueryResultsSerializer,
 };
 use oxigraph::sparql::{
     EvaluationError, Query, QueryResults, QuerySolution, QuerySolutionIter, QueryTripleIter,
@@ -699,9 +699,12 @@ pub fn map_evaluation_error(error: EvaluationError) -> PyErr {
     }
 }
 
-pub fn map_query_results_parse_error(error: ParseError, file_path: Option<PathBuf>) -> PyErr {
+pub fn map_query_results_parse_error(
+    error: QueryResultsParseError,
+    file_path: Option<PathBuf>,
+) -> PyErr {
     match error {
-        ParseError::Syntax(error) => {
+        QueryResultsParseError::Syntax(error) => {
             // Python 3.9 does not support end line and end column
             if python_version() >= (3, 10) {
                 let params = if let Some(location) = error.location() {
@@ -731,6 +734,6 @@ pub fn map_query_results_parse_error(error: ParseError, file_path: Option<PathBu
                 PySyntaxError::new_err((error.to_string(), params))
             }
         }
-        ParseError::Io(error) => error.into(),
+        QueryResultsParseError::Io(error) => error.into(),
     }
 }