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use failure::Error;
use pest::iterators::Pair;
use crate::document_tree::{
ExtraAttributes,
elements as e,
element_categories as c,
attribute_types::{ID,NameToken},
extra_attributes as a,
};
use crate::parser::{
pest_rst::Rule,
// pair_ext_parse::PairExt,
};
pub fn convert_inline(pair: Pair<Rule>) -> Result<c::TextOrInlineElement, Error> {
Ok(match pair.as_rule() {
Rule::str => pair.as_str().into(),
Rule::reference => convert_reference(pair)?.into(),
rule => unimplemented!("unknown rule {:?}", rule),
})
}
fn convert_reference(pair: Pair<Rule>) -> Result<e::Reference, Error> {
let mut name = None;
let mut uri = None;
let mut id = None;
let mut name_tokens = vec![];
let concrete = pair.into_inner().next().unwrap();
match concrete.as_rule() {
Rule::reference_target => {
let rt_inner = concrete.into_inner().next().unwrap(); // reference_target_uq or target_name_qu
//TODO: abstract away
id = Some( ID(rt_inner.as_str().to_owned().replace(' ', "-")));
name = Some(NameToken(rt_inner.as_str().to_owned()));
},
Rule::reference_explicit => unimplemented!("explicit reference"),
Rule::reference_auto => unimplemented!("auto reference"),
_ => unreachable!(),
};
let extra = a::Reference {
name: name,
refuri: uri,
refid: id,
refname: name_tokens,
};
Ok(e::Reference::with_extra(extra))
}
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