jawk 0.1.16

JSON AWK.
Documentation 
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use std::rc::Rc;

use bigdecimal::{BigDecimal, Zero};

use crate::{
    functions::number_as_string::to_big_decimal::BigDecimalConvert,
    functions_definitions::{Arguments, Example, FunctionDefinitions},
    json_value::JsonValue,
    processor::Context,
    selection::Get,
};

pub fn get() -> FunctionDefinitions {
    FunctionDefinitions::new("\"/\"", 2, 2, |args| {
        struct Impl(Vec<Rc<dyn Get>>);
        impl Get for Impl {
            fn get(&self, value: &Context) -> Option<JsonValue> {
                if
                let (Some(num1), Some(num2)) = (
                    self.0.apply(value, 0).to_big_decimal(),
                    self.0.apply(value, 1).to_big_decimal(),
                )
                {
                    if num2 == BigDecimal::zero() {
                        None
                    } else {
                        Some((num1 / num2).into())
                    }
                } else {
                    None
                }
            }
        }
        Rc::new(Impl(args))
    })
        .add_alias("nas_divide")
        .add_description_line(
            "Divide the firs argument by the second argument if both are strings as numbers. If the second argument is \"0\" will return nothing"
        )
        .add_example(
            Example::new().add_argument("\"100\"").add_argument("\"25\"").expected_output("\"4\"")
        )
        .add_example(
            Example::new().add_argument("\"7\"").add_argument("\"2\"").expected_output("\"3.5\"")
        )
        .add_example(
            Example::new().add_argument("\"1e900\"").add_argument("\"5e899\"").expected_output("\"2\"")
        )
        .add_example(Example::new().add_argument("\"7\"").add_argument("[]"))
        .add_example(Example::new().add_argument("{}").add_argument("\"5\""))
        .add_example(Example::new().add_argument("\"7\"").add_argument("\"0\""))
}