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