jawk/functions/number_as_string/nas_arithmetic/
normelize.rs

1use std::rc::Rc;
2
3use crate::{
4    functions::number_as_string::to_big_decimal::BigDecimalConvert,
5    functions_definitions::{Arguments, Example, FunctionDefinitions},
6    json_value::JsonValue,
7    processor::Context,
8    selection::Get,
9};
10
11pub fn get() -> FunctionDefinitions {
12    FunctionDefinitions::new("\"||\"", 1, 1, |args| {
13        struct Impl(Vec<Rc<dyn Get>>);
14        impl Get for Impl {
15            fn get(&self, value: &Context) -> Option<JsonValue> {
16                self.0.apply(value, 0)
17                .to_big_decimal()
18                .map(|number| number.into())
19            }
20        }
21        Rc::new(Impl(args))
22    })
23    .add_alias("nas_normelize")
24    .add_description_line("If the argument is string as number, return it in a normelize form (to allow a consent Uniqueness check).")
25    .add_example(Example::new().add_argument("\"1000000\"").expected_output("\"1000000\""))
26    .add_example(Example::new().add_argument("\"0.00000000005\"").expected_output("\"5E-11\""))
27    .add_example(Example::new().add_argument("\"000000000005\"").expected_output("\"5\""))
28    .add_example(Example::new().add_argument("\"00000000000.5\"").expected_output("\"0.5\""))
29    .add_example(Example::new().add_argument("\"100e100\"").expected_output("\"1e+102\""))
30    .add_example(Example::new().add_argument("10"))
31}