use crate::dimensions::numeral::helpers::{decimals_to_double, numeral_data};
use crate::pattern::{dim, predicate, regex};
use crate::types::{DimensionKind, Rule, TokenData};
use super::NumeralData;
fn is_positive(td: &TokenData) -> bool {
matches!(td, TokenData::Numeral(d) if d.value >= 0.0)
}
fn has_grain(td: &TokenData) -> bool {
matches!(td, TokenData::Numeral(d) if d.grain.is_some())
}
fn is_multipliable(td: &TokenData) -> bool {
matches!(td, TokenData::Numeral(d) if d.multipliable)
}
fn number_between(low: f64, up: f64) -> impl Fn(&TokenData) -> bool {
move |td| matches!(td, TokenData::Numeral(d) if d.value >= low && d.value < up)
}
fn unit_or_11(s: &str) -> Option<f64> {
match s {
"kosong" | "nol" => Some(0.0),
"satu" => Some(1.0),
"dua" => Some(2.0),
"tiga" => Some(3.0),
"empat" => Some(4.0),
"lima" => Some(5.0),
"enam" => Some(6.0),
"tujuh" => Some(7.0),
"delapan" => Some(8.0),
"sembilan" => Some(9.0),
"sebelas" => Some(11.0),
_ => None,
}
}
fn powers(s: &str) -> Option<NumeralData> {
match s {
"ratus" => Some(NumeralData::new(1e2).with_grain(2).with_multipliable(true)),
"ribu" => Some(NumeralData::new(1e3).with_grain(3).with_multipliable(true)),
"juta" => Some(NumeralData::new(1e6).with_grain(6).with_multipliable(true)),
_ => None,
}
}
pub fn rules() -> Vec<Rule> {
vec![
Rule {
name: "decimal number".to_string(),
pattern: vec![regex("(\\d*,\\d+)")],
production: Box::new(|nodes| {
let m = match &nodes[0].token_data {
TokenData::RegexMatch(m) => m.group(1)?,
_ => return None,
};
Some(TokenData::Numeral(NumeralData::new(
m.replace(',', ".").parse().ok()?,
)))
}),
},
Rule {
name: "decimal with thousands separator".to_string(),
pattern: vec![regex("(\\d+(\\.\\d\\d\\d)+,\\d+)")],
production: Box::new(|nodes| {
let m = match &nodes[0].token_data {
TokenData::RegexMatch(m) => m.group(1)?,
_ => return None,
};
let fmt = m.replace('.', "").replace(',', ".");
Some(TokenData::Numeral(NumeralData::new(fmt.parse().ok()?)))
}),
},
Rule {
name: "integer with thousands separator .".to_string(),
pattern: vec![regex("(\\d{1,3}(\\.\\d\\d\\d){1,5})")],
production: Box::new(|nodes| {
let m = match &nodes[0].token_data {
TokenData::RegexMatch(m) => m.group(1)?,
_ => return None,
};
Some(TokenData::Numeral(NumeralData::new(
m.replace('.', "").parse().ok()?,
)))
}),
},
Rule {
name: "dozen".to_string(),
pattern: vec![regex("(se)?lusin")],
production: Box::new(|_| {
Some(TokenData::Numeral(
NumeralData::new(12.0).with_grain(1).with_multipliable(true),
))
}),
},
Rule {
name: "integer (0..9 11)".to_string(),
pattern: vec![regex(
"(kosong|nol|satu|dua|tiga|empat|lima|enam|tujuh|delapan|sembilan|sebelas)",
)],
production: Box::new(|nodes| {
let s = match &nodes[0].token_data {
TokenData::RegexMatch(m) => m.group(1)?.to_lowercase(),
_ => return None,
};
Some(TokenData::Numeral(NumeralData::new(unit_or_11(&s)?)))
}),
},
Rule {
name: "ten".to_string(),
pattern: vec![regex("(se)?puluh")],
production: Box::new(|_| {
Some(TokenData::Numeral(NumeralData::new(10.0).with_grain(1)))
}),
},
Rule {
name: "teen".to_string(),
pattern: vec![predicate(number_between(2.0, 10.0)), regex("belas")],
production: Box::new(|nodes| {
let v = numeral_data(&nodes[0].token_data)?.value;
Some(TokenData::Numeral(NumeralData::new(v + 10.0)))
}),
},
Rule {
name: "integer 20..90".to_string(),
pattern: vec![
predicate(number_between(2.0, 10.0)),
predicate(|td| matches!(td, TokenData::Numeral(d) if d.value == 10.0)),
],
production: Box::new(|nodes| {
let v1 = numeral_data(&nodes[0].token_data)?;
let v2 = numeral_data(&nodes[1].token_data)?;
let g = v2.grain?;
Some(TokenData::Numeral(
NumeralData::new(v1.value * v2.value).with_grain(g),
))
}),
},
Rule {
name: "integer 21..99".to_string(),
pattern: vec![
predicate(
|td| matches!(td, TokenData::Numeral(d) if [20.0,30.0,40.0,50.0,60.0,70.0,80.0,90.0].contains(&d.value)),
),
predicate(number_between(1.0, 10.0)),
],
production: Box::new(|nodes| {
let a = numeral_data(&nodes[0].token_data)?.value;
let b = numeral_data(&nodes[1].token_data)?.value;
Some(TokenData::Numeral(NumeralData::new(a + b)))
}),
},
Rule {
name: "powers of tens".to_string(),
pattern: vec![regex("(se)?(ratus|ribu|juta)")],
production: Box::new(|nodes| {
let m = match &nodes[0].token_data {
TokenData::RegexMatch(m) => m,
_ => return None,
};
let p = m.group(2)?;
Some(TokenData::Numeral(powers(&p.to_lowercase())?))
}),
},
Rule {
name: "compose by multiplication".to_string(),
pattern: vec![dim(DimensionKind::Numeral), predicate(is_multipliable)],
production: Box::new(|nodes| {
let a = numeral_data(&nodes[0].token_data)?;
let b = numeral_data(&nodes[1].token_data)?;
if b.grain.is_none() || b.value > a.value {
let mut out = NumeralData::new(a.value * b.value);
if let Some(g) = b.grain {
out = out.with_grain(g);
}
Some(TokenData::Numeral(out))
} else {
None
}
}),
},
Rule {
name: "intersect".to_string(),
pattern: vec![
predicate(has_grain),
predicate(|td| !is_multipliable(td) && is_positive(td)),
],
production: Box::new(|nodes| {
let a = numeral_data(&nodes[0].token_data)?;
let b = numeral_data(&nodes[1].token_data)?;
let g = a.grain? as i32;
if 10f64.powi(g) > b.value {
Some(TokenData::Numeral(NumeralData::new(a.value + b.value)))
} else {
None
}
}),
},
Rule {
name: "number comma number".to_string(),
pattern: vec![
dim(DimensionKind::Numeral),
regex("koma"),
predicate(|td| !has_grain(td)),
],
production: Box::new(|nodes| {
let a = numeral_data(&nodes[0].token_data)?.value;
let b = numeral_data(&nodes[2].token_data)?.value;
Some(TokenData::Numeral(NumeralData::new(
a + decimals_to_double(b),
)))
}),
},
Rule {
name: "some/few/couple".to_string(),
pattern: vec![regex("beberapa")],
production: Box::new(|_| Some(TokenData::Numeral(NumeralData::new(3.0)))),
},
Rule {
name: "numbers suffixes (K, M, G)".to_string(),
pattern: vec![dim(DimensionKind::Numeral), regex("([kmgKMG])")],
production: Box::new(|nodes| {
let v = numeral_data(&nodes[0].token_data)?.value;
let s = match &nodes[1].token_data {
TokenData::RegexMatch(m) => m.group(1)?.to_lowercase(),
_ => return None,
};
let out = match s.as_str() {
"k" => v * 1e3,
"m" => v * 1e6,
"g" => v * 1e9,
_ => return None,
};
Some(TokenData::Numeral(NumeralData::new(out)))
}),
},
Rule {
name: "numbers prefix with -, negative or minus".to_string(),
pattern: vec![regex("-|minus|negatif"), predicate(is_positive)],
production: Box::new(|nodes| {
let n = numeral_data(&nodes[1].token_data)?;
Some(TokenData::Numeral(NumeralData::new(-n.value)))
}),
},
]
}