Add detect element functions for all elements that can be reasonably detected more efficiently than just parsing normally.

This commit is contained in:
Tom Alexander 2023-09-11 12:28:15 -04:00
parent aa5988bc2f
commit f54081437a
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
6 changed files with 52 additions and 6 deletions

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@ -67,6 +67,17 @@ fn comment_line<'b, 'g, 'r, 's>(
Ok((remaining, source))
}
#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
pub fn detect_comment<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
tuple((
start_of_line,
space0,
tag("#"),
alt((tag(" "), line_ending, eof)),
))(input)?;
Ok((input, ()))
}
#[cfg(test)]
mod tests {
use super::*;

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@ -23,9 +23,7 @@ pub fn diary_sexp<'b, 'g, 'r, 's>(
input: OrgSource<'s>,
) -> Res<OrgSource<'s>, DiarySexp<'s>> {
start_of_line(input)?;
let (remaining, _leading_whitespace) = space0(input)?;
let (remaining, _clock) = tag("%%")(remaining)?;
let (remaining, _gap_whitespace) = space0(remaining)?;
let (remaining, _clock) = tag("%%")(input)?;
let (remaining, _sexp) = recognize(sexp)(remaining)?;
let (remaining, _trailing_comment) = opt(tuple((
space0,
@ -43,3 +41,9 @@ pub fn diary_sexp<'b, 'g, 'r, 's>(
},
))
}
#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
pub fn detect_diary_sexp<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
tuple((start_of_line, tag("%%(")))(input)?;
Ok((input, ()))
}

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@ -4,10 +4,14 @@ use nom::multi::many0;
use super::clock::clock;
use super::comment::comment;
use super::comment::detect_comment;
use super::diary_sexp::detect_diary_sexp;
use super::diary_sexp::diary_sexp;
use super::drawer::drawer;
use super::dynamic_block::dynamic_block;
use super::fixed_width_area::detect_fixed_width_area;
use super::fixed_width_area::fixed_width_area;
use super::footnote_definition::detect_footnote_definition;
use super::footnote_definition::footnote_definition;
use super::greater_block::greater_block;
use super::horizontal_rule::horizontal_rule;
@ -24,6 +28,7 @@ use super::org_source::OrgSource;
use super::paragraph::paragraph;
use super::plain_list::detect_plain_list;
use super::plain_list::plain_list;
use super::table::detect_table;
use super::util::get_consumed;
use super::util::maybe_consume_trailing_whitespace_if_not_exiting;
use crate::context::parser_with_context;
@ -135,7 +140,16 @@ fn _detect_element<'b, 'g, 'r, 's>(
input: OrgSource<'s>,
can_be_paragraph: bool,
) -> Res<OrgSource<'s>, ()> {
if detect_plain_list(input).is_ok() {
if alt((
detect_plain_list,
detect_footnote_definition,
detect_diary_sexp,
detect_comment,
detect_fixed_width_area,
detect_table,
))(input)
.is_ok()
{
return Ok((input, ()));
}
if _element(context, input, can_be_paragraph).is_ok() {

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@ -47,7 +47,7 @@ fn fixed_width_area_line<'b, 'g, 'r, 's>(
) -> Res<OrgSource<'s>, OrgSource<'s>> {
start_of_line(input)?;
let (remaining, _indent) = space0(input)?;
let (remaining, (_hash, _leading_whitespace_and_content, _line_ending)) = tuple((
let (remaining, (_colon, _leading_whitespace_and_content, _line_ending)) = tuple((
tag(":"),
opt(tuple((space1, is_not("\r\n")))),
alt((line_ending, eof)),
@ -55,3 +55,14 @@ fn fixed_width_area_line<'b, 'g, 'r, 's>(
let source = get_consumed(input, remaining);
Ok((remaining, source))
}
#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
pub fn detect_fixed_width_area<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
tuple((
start_of_line,
space0,
tag(":"),
alt((tag(" "), line_ending, eof)),
))(input)?;
Ok((input, ()))
}

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@ -122,7 +122,7 @@ fn footnote_definition_end<'b, 'g, 'r, 's>(
}
#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
fn detect_footnote_definition<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
pub fn detect_footnote_definition<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
tuple((start_of_line, tag_no_case("[fn:"), label, tag("]")))(input)?;
Ok((input, ()))
}

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@ -73,6 +73,12 @@ pub fn org_mode_table<'b, 'g, 'r, 's>(
))
}
#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
pub fn detect_table<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
tuple((start_of_line, space0, tag("|")))(input)?;
Ok((input, ()))
}
#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
fn table_end<'b, 'g, 'r, 's>(
_context: RefContext<'b, 'g, 'r, 's>,