109 lines
3.2 KiB
Rust
109 lines
3.2 KiB
Rust
use nom::branch::alt;
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use nom::bytes::complete::tag;
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use nom::character::complete::anychar;
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use nom::combinator::map;
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use nom::combinator::peek;
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use nom::combinator::recognize;
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use nom::combinator::verify;
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use nom::multi::many_till;
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use super::org_source::OrgSource;
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use super::radio_link::RematchObject;
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use super::util::exit_matcher_parser;
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use crate::context::parser_with_context;
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use crate::context::RefContext;
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use crate::error::Res;
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use crate::types::Object;
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use crate::types::PlainText;
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pub(crate) fn plain_text<F>(
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end_condition: F,
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) -> impl for<'b, 'g, 'r, 's> Fn(
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RefContext<'b, 'g, 'r, 's>,
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OrgSource<'s>,
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) -> Res<OrgSource<'s>, PlainText<'s>>
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where
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F: for<'bb, 'gg, 'rr, 'ss> Fn(
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RefContext<'bb, 'gg, 'rr, 'ss>,
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OrgSource<'ss>,
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) -> Res<OrgSource<'ss>, ()>,
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{
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move |context, input| _plain_text(&end_condition, context, input)
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}
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#[cfg_attr(
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feature = "tracing",
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tracing::instrument(ret, level = "debug", skip(end_condition))
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)]
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fn _plain_text<'b, 'g, 'r, 's, F>(
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end_condition: F,
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context: RefContext<'b, 'g, 'r, 's>,
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input: OrgSource<'s>,
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) -> Res<OrgSource<'s>, PlainText<'s>>
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where
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F: for<'bb, 'gg, 'rr, 'ss> Fn(
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RefContext<'bb, 'gg, 'rr, 'ss>,
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OrgSource<'ss>,
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) -> Res<OrgSource<'ss>, ()>,
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{
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let (remaining, source) = recognize(verify(
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many_till(
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anychar,
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peek(alt((
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parser_with_context!(exit_matcher_parser)(context),
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recognize(parser_with_context!(end_condition)(context)),
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))),
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),
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|(children, _exit_contents)| !children.is_empty(),
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))(input)?;
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Ok((
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remaining,
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PlainText {
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source: source.into(),
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},
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))
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}
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impl<'x> RematchObject<'x> for PlainText<'x> {
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#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
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fn rematch_object<'b, 'g, 'r, 's>(
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&'x self,
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_context: RefContext<'b, 'g, 'r, 's>,
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input: OrgSource<'s>,
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) -> Res<OrgSource<'s>, Object<'s>> {
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map(tag(self.source), |s| {
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Object::PlainText(PlainText {
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source: Into::<&str>::into(s),
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})
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})(input)
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}
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}
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#[cfg(test)]
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mod tests {
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use nom::combinator::map;
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use super::*;
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use crate::context::Context;
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use crate::context::ContextElement;
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use crate::context::GlobalSettings;
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use crate::context::List;
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use crate::parser::object_parser::detect_standard_set_object_sans_plain_text;
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use crate::types::Source;
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#[test]
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fn plain_text_simple() {
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let input = OrgSource::new("foobarbaz");
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let global_settings = GlobalSettings::default();
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let initial_context = ContextElement::document_context();
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let initial_context = Context::new(&global_settings, List::new(&initial_context));
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let plain_text_matcher = parser_with_context!(plain_text(
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detect_standard_set_object_sans_plain_text
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))(&initial_context);
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let (remaining, result) = map(plain_text_matcher, Object::PlainText)(input).unwrap();
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assert_eq!(Into::<&str>::into(remaining), "");
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assert_eq!(result.get_source(), Into::<&str>::into(input));
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}
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}
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