use crate::dimensions::numeral::helpers::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 lookup_zero_to_nineteen(s: &str) -> Option<f64> {
match s {
"nula" => Some(0.0),
"jeden" | "jedna" | "jedno" => Some(1.0),
"dva" | "dve" => Some(2.0),
"tri" => Some(3.0),
"štyri" => Some(4.0),
"päť" => Some(5.0),
"šesť" => Some(6.0),
"sedem" => Some(7.0),
"osem" => Some(8.0),
"deväť" => Some(9.0),
"desať" => Some(10.0),
"jedenásť" => Some(11.0),
"dvanásť" => Some(12.0),
"trinásť" => Some(13.0),
"štrnásť" => Some(14.0),
"pätnásť" => Some(15.0),
"šestnásť" => Some(16.0),
"sedemnásť" => Some(17.0),
"osemnásť" => Some(18.0),
"devätnásť" => Some(19.0),
_ => None,
}
}
fn lookup_tens(s: &str) -> Option<f64> {
match s {
"dvadsať" => Some(20.0),
"tridsať" => Some(30.0),
"štyridsať" => Some(40.0),
"päťdesiat" => Some(50.0),
"šesťdesiat" => Some(60.0),
"sedemdesiat" => Some(70.0),
"osemdesiat" => Some(80.0),
"devätdesiat" => Some(90.0),
_ => None,
}
}
pub fn rules() -> Vec<Rule> {
vec![
Rule {
name: "few".to_string(),
pattern: vec![regex("(zo)?pár")],
production: Box::new(|_| Some(TokenData::Numeral(NumeralData::new(3.0)))),
},
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,
};
let v: f64 = m.replace(',', ".").parse().ok()?;
Some(TokenData::Numeral(NumeralData::new(v)))
}),
},
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 v: f64 = m.replace('.', "").replace(',', ".").parse().ok()?;
Some(TokenData::Numeral(NumeralData::new(v)))
}),
},
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,
};
let v: f64 = m.replace('.', "").parse().ok()?;
Some(TokenData::Numeral(NumeralData::new(v)))
}),
},
Rule {
name: "integer (0..19)".to_string(),
pattern: vec![regex("(nula|jed(enásť|en|na|no)|dv(anásť|a|e)|trinásť|tri|štrnásť|štyri|pätnásť|päť|šestnásť|šesť|sedemnásť|sedem|osemnásť|osem|devätnásť|deväť|desať)")],
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(lookup_zero_to_nineteen(&s)?)))
}),
},
Rule {
name: "integer (20..90)".to_string(),
pattern: vec![regex("((dva|tri|štyri)dsať|(päť|šesť|sedem|osem|devät)desiat)")],
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(lookup_tens(&s)?)))
}),
},
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 t = numeral_data(&nodes[0].token_data)?.value;
let u = numeral_data(&nodes[1].token_data)?.value;
Some(TokenData::Numeral(NumeralData::new(t + u)))
}),
},
Rule {
name: "powers of tens".to_string(),
pattern: vec![regex("(sto(vky)?|tisíce?|milióny?)")],
production: Box::new(|nodes| {
let s = match &nodes[0].token_data {
TokenData::RegexMatch(m) => m.group(1)?.to_lowercase(),
_ => return None,
};
let n = match s.as_str() {
"sto" | "stovky" => NumeralData::new(1e2).with_grain(2).with_multipliable(true),
"tisíc" | "tisíce" => {
NumeralData::new(1e3).with_grain(3).with_multipliable(true)
}
"milión" | "milióny" => {
NumeralData::new(1e6).with_grain(6).with_multipliable(true)
}
_ => return None,
};
Some(TokenData::Numeral(n))
}),
},
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: "intersect (with and)".to_string(),
pattern: vec![predicate(has_grain), regex("a"), 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[2].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 dot number".to_string(),
pattern: vec![
dim(DimensionKind::Numeral),
regex("celá|celých|celé"),
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;
let mut mul = 1.0;
while b >= mul {
mul *= 10.0;
}
Some(TokenData::Numeral(NumeralData::new(a + b / mul)))
}),
},
Rule {
name: "numbers suffixes (K, M, G)".to_string(),
pattern: vec![dim(DimensionKind::Numeral), regex("([kmg])")],
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("-|mínus|záporné"), predicate(is_positive)],
production: Box::new(|nodes| {
let v = numeral_data(&nodes[1].token_data)?.value;
Some(TokenData::Numeral(NumeralData::new(-v)))
}),
},
]
}