291 lines
8.3 KiB
Rust
291 lines
8.3 KiB
Rust
//! Headline Title
|
|
|
|
use std::borrow::Cow;
|
|
|
|
use memchr::memrchr;
|
|
use nom::{
|
|
bytes::complete::{tag, take_until, take_while},
|
|
character::complete::{anychar, space1},
|
|
combinator::{map, map_parser, opt, verify},
|
|
error::ErrorKind,
|
|
error_position,
|
|
multi::fold_many0,
|
|
sequence::{delimited, preceded},
|
|
Err, IResult,
|
|
};
|
|
use std::collections::HashMap;
|
|
|
|
use crate::config::ParseConfig;
|
|
use crate::elements::{Drawer, Planning};
|
|
use crate::parsers::{line, skip_empty_lines, take_one_word};
|
|
|
|
#[cfg_attr(test, derive(PartialEq))]
|
|
#[cfg_attr(feature = "ser", derive(serde::Serialize))]
|
|
#[derive(Debug)]
|
|
pub struct Title<'a> {
|
|
/// headline level, number of stars
|
|
pub level: usize,
|
|
/// priority cookie
|
|
#[cfg_attr(feature = "ser", serde(skip_serializing_if = "Option::is_none"))]
|
|
pub priority: Option<char>,
|
|
/// headline tags, including the sparated colons
|
|
#[cfg_attr(feature = "ser", serde(skip_serializing_if = "Vec::is_empty"))]
|
|
pub tags: Vec<Cow<'a, str>>,
|
|
/// headline keyword
|
|
#[cfg_attr(feature = "ser", serde(skip_serializing_if = "Option::is_none"))]
|
|
pub keyword: Option<Cow<'a, str>>,
|
|
pub raw: Cow<'a, str>,
|
|
#[cfg_attr(feature = "ser", serde(skip_serializing_if = "Option::is_none"))]
|
|
pub planning: Option<Box<Planning<'a>>>,
|
|
#[cfg_attr(feature = "ser", serde(skip_serializing_if = "HashMap::is_empty"))]
|
|
pub properties: HashMap<Cow<'a, str>, Cow<'a, str>>,
|
|
}
|
|
|
|
impl Title<'_> {
|
|
#[inline]
|
|
pub(crate) fn parse<'a>(
|
|
input: &'a str,
|
|
config: &ParseConfig,
|
|
) -> IResult<&'a str, (Title<'a>, &'a str)> {
|
|
let (input, (level, keyword, priority, raw, tags)) = parse_headline(input, config)?;
|
|
|
|
let (input, planning) = Planning::parse(input)
|
|
.map(|(input, planning)| (input, Some(Box::new(planning))))
|
|
.unwrap_or((input, None));
|
|
|
|
let (input, properties) = opt(parse_properties_drawer)(input)?;
|
|
|
|
Ok((
|
|
input,
|
|
(
|
|
Title {
|
|
properties: properties.unwrap_or_default(),
|
|
level,
|
|
keyword: keyword.map(Into::into),
|
|
priority,
|
|
tags,
|
|
raw: raw.into(),
|
|
planning,
|
|
},
|
|
raw,
|
|
),
|
|
))
|
|
}
|
|
|
|
pub fn into_owned(self) -> Title<'static> {
|
|
Title {
|
|
level: self.level,
|
|
priority: self.priority,
|
|
tags: self
|
|
.tags
|
|
.into_iter()
|
|
.map(|s| s.into_owned().into())
|
|
.collect(),
|
|
keyword: self.keyword.map(Into::into).map(Cow::Owned),
|
|
raw: self.raw.into_owned().into(),
|
|
planning: self.planning.map(|p| Box::new(p.into_owned())),
|
|
properties: self
|
|
.properties
|
|
.into_iter()
|
|
.map(|(k, v)| (k.into_owned().into(), v.into_owned().into()))
|
|
.collect(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Default for Title<'_> {
|
|
fn default() -> Title<'static> {
|
|
Title {
|
|
level: 1,
|
|
priority: None,
|
|
tags: Vec::new(),
|
|
keyword: None,
|
|
raw: Cow::Borrowed(""),
|
|
planning: None,
|
|
properties: HashMap::new(),
|
|
}
|
|
}
|
|
}
|
|
|
|
fn parse_headline<'a>(
|
|
input: &'a str,
|
|
config: &ParseConfig,
|
|
) -> IResult<
|
|
&'a str,
|
|
(
|
|
usize,
|
|
Option<&'a str>,
|
|
Option<char>,
|
|
&'a str,
|
|
Vec<Cow<'a, str>>,
|
|
),
|
|
> {
|
|
let (input, level) = map(take_while(|c: char| c == '*'), |s: &str| s.len())(input)?;
|
|
|
|
debug_assert!(level > 0);
|
|
|
|
let (input, keyword) = opt(preceded(
|
|
space1,
|
|
verify(take_one_word, |s: &str| {
|
|
config.todo_keywords.iter().any(|x| x == s)
|
|
|| config.done_keywords.iter().any(|x| x == s)
|
|
}),
|
|
))(input)?;
|
|
let (input, priority) = opt(preceded(
|
|
space1,
|
|
map_parser(
|
|
take_one_word,
|
|
delimited(
|
|
tag("[#"),
|
|
verify(anychar, |c: &char| c.is_ascii_uppercase()),
|
|
tag("]"),
|
|
),
|
|
),
|
|
))(input)?;
|
|
let (input, tail) = line(input)?;
|
|
let tail = tail.trim();
|
|
let (raw, tags) = memrchr(b' ', tail.as_bytes())
|
|
.map(|i| (tail[0..i].trim(), &tail[i + 1..]))
|
|
.filter(|(_, x)| x.len() > 2 && x.starts_with(':') && x.ends_with(':'))
|
|
.unwrap_or((tail, ""));
|
|
|
|
Ok((
|
|
input,
|
|
(
|
|
level,
|
|
keyword,
|
|
priority,
|
|
raw,
|
|
tags.split(':')
|
|
.filter(|s| !s.is_empty())
|
|
.map(Into::into)
|
|
.collect(),
|
|
),
|
|
))
|
|
}
|
|
|
|
fn parse_properties_drawer(input: &str) -> IResult<&str, HashMap<Cow<'_, str>, Cow<'_, str>>> {
|
|
let (input, (drawer, content)) = Drawer::parse(input.trim_start())?;
|
|
if drawer.name != "PROPERTIES" {
|
|
return Err(Err::Error(error_position!(input, ErrorKind::Tag)));
|
|
}
|
|
let (_, map) = fold_many0(
|
|
parse_node_property,
|
|
HashMap::new(),
|
|
|mut acc: HashMap<_, _>, (name, value)| {
|
|
acc.insert(name.into(), value.into());
|
|
acc
|
|
},
|
|
)(content)?;
|
|
Ok((input, map))
|
|
}
|
|
|
|
fn parse_node_property(input: &str) -> IResult<&str, (&str, &str)> {
|
|
let input = skip_empty_lines(input).trim_start();
|
|
let (input, name) = map(delimited(tag(":"), take_until(":"), tag(":")), |s: &str| {
|
|
s.trim_end_matches('+')
|
|
})(input)?;
|
|
let (input, value) = line(input)?;
|
|
Ok((input, (name, value.trim())))
|
|
}
|
|
|
|
impl Title<'_> {
|
|
/// checks if this headline is "archived"
|
|
pub fn is_archived(&self) -> bool {
|
|
self.tags.iter().any(|tag| tag == "ARCHIVE")
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
lazy_static::lazy_static! {
|
|
static ref CONFIG: ParseConfig = ParseConfig::default();
|
|
}
|
|
|
|
#[test]
|
|
fn parse_headline_() {
|
|
assert_eq!(
|
|
parse_headline("**** DONE [#A] COMMENT Title :tag:a2%:", &CONFIG),
|
|
Ok((
|
|
"",
|
|
(
|
|
4,
|
|
Some("DONE"),
|
|
Some('A'),
|
|
"COMMENT Title",
|
|
vec!["tag".into(), "a2%".into()]
|
|
)
|
|
))
|
|
);
|
|
assert_eq!(
|
|
parse_headline("**** ToDO [#A] COMMENT Title", &CONFIG),
|
|
Ok(("", (4, None, None, "ToDO [#A] COMMENT Title", vec![])))
|
|
);
|
|
assert_eq!(
|
|
parse_headline("**** T0DO [#A] COMMENT Title", &CONFIG),
|
|
Ok(("", (4, None, None, "T0DO [#A] COMMENT Title", vec![])))
|
|
);
|
|
assert_eq!(
|
|
parse_headline("**** DONE [#1] COMMENT Title", &CONFIG),
|
|
Ok(("", (4, Some("DONE"), None, "[#1] COMMENT Title", vec![],)))
|
|
);
|
|
assert_eq!(
|
|
parse_headline("**** DONE [#a] COMMENT Title", &CONFIG),
|
|
Ok(("", (4, Some("DONE"), None, "[#a] COMMENT Title", vec![],)))
|
|
);
|
|
assert_eq!(
|
|
parse_headline("**** Title :tag:a2%", &CONFIG),
|
|
Ok(("", (4, None, None, "Title :tag:a2%", vec![],)))
|
|
);
|
|
assert_eq!(
|
|
parse_headline("**** Title tag:a2%:", &CONFIG),
|
|
Ok(("", (4, None, None, "Title tag:a2%:", vec![],)))
|
|
);
|
|
|
|
assert_eq!(
|
|
parse_headline(
|
|
"**** DONE Title",
|
|
&ParseConfig {
|
|
done_keywords: vec![],
|
|
..Default::default()
|
|
}
|
|
),
|
|
Ok(("", (4, None, None, "DONE Title", vec![])))
|
|
);
|
|
assert_eq!(
|
|
parse_headline(
|
|
"**** TASK [#A] Title",
|
|
&ParseConfig {
|
|
todo_keywords: vec!["TASK".to_string()],
|
|
..Default::default()
|
|
}
|
|
),
|
|
Ok(("", (4, Some("TASK"), Some('A'), "Title", vec![],)))
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn parse_properties_drawer_() {
|
|
assert_eq!(
|
|
parse_properties_drawer(" :PROPERTIES:\n :CUSTOM_ID: id\n :END:"),
|
|
Ok((
|
|
"",
|
|
vec![("CUSTOM_ID".into(), "id".into())]
|
|
.into_iter()
|
|
.collect::<HashMap<_, _>>()
|
|
))
|
|
)
|
|
}
|
|
|
|
// #[test]
|
|
// fn is_commented() {
|
|
// assert!(Title::parse("* COMMENT Title", &CONFIG)
|
|
// .1
|
|
// .is_commented());
|
|
// assert!(!Title::parse("* Title", &CONFIG).1.is_commented());
|
|
// assert!(!Title::parse("* C0MMENT Title", &CONFIG)
|
|
// .1
|
|
// .is_commented());
|
|
// assert!(!Title::parse("* comment Title", &CONFIG)
|
|
// .1
|
|
// .is_commented());
|
|
// }
|