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use crate::err::Error;
use std::fmt::{Display, Write};
const NAME_LENGTH: usize = 32;
#[inline]
pub fn obj<T: Display>(name: &str, obj: T) -> Result<String, Error> {
let mut s = String::new();
write!(s, "{}", obj)?;
if s.contains('\n') {
Ok(format!(
"{:>name_len$} .\n {}",
name,
s.replace('\n', "\n "),
name_len = NAME_LENGTH
))
} else {
Ok(format!(
"{:>name_len$} : {}",
name,
s,
name_len = NAME_LENGTH
))
}
}
#[inline]
pub fn obj_units<T: Display>(name: &str, obj: T, units: &str) -> Result<String, Error> {
let mut s = String::new();
write!(s, "{}", obj)?;
if s.contains('\n') {
Ok(format!(
"{:>name_len$} .\n {} [{}]",
name,
s.replace('\n', "\n "),
units,
name_len = NAME_LENGTH
))
} else {
Ok(format!(
"{:>name_len$} : {} [{}]",
name,
s,
units,
name_len = NAME_LENGTH
))
}
}
#[macro_export]
macro_rules! report {
($expression: expr) => {
println!(
"{}",
arctk::report::obj(stringify!($expression), $expression)
.expect("Could not write object.")
);
};
($desc: expr, $expression: expr) => {
println!(
"{}",
arctk::report::obj($desc, $expression).expect("Could not write object.")
);
};
($desc: expr, $expression: expr, $units: tt) => {
println!(
"{}",
arctk::report::obj_units($desc, $expression, $units).expect("Could not write object.")
);
};
}
#[inline]
fn list_string<T: Display>(list: &[T]) -> Result<String, Error> {
let mut s = String::new();
for item in list {
write!(s, "{:>item_len$} ", item, item_len = NAME_LENGTH / 2)?;
}
if !s.is_empty() {
s.pop();
}
Ok(s)
}
#[inline]
pub fn list<T: Display>(name: &str, list: &[T]) -> Result<String, Error> {
obj(name, list_string(list)?)
}
#[inline]
pub fn list_units<T: Display>(name: &str, list: &[T], units: &str) -> Result<String, Error> {
obj_units(name, list_string(list)?, units)
}
#[macro_export]
macro_rules! report_list {
($expression: expr) => {
println!(
"{}",
arctk::report::list(stringify!($expression), $expression)
.expect("Could not write object.")
);
};
($desc: expr, $expression: expr) => {
println!(
"{}",
arctk::report::list($desc, $expression).expect("Could not write object.")
);
};
($desc: expr, $expression: expr, $units: tt) => {
println!(
"{}",
arctk::report::list_units($desc, $expression, $units).expect("Could not write object.")
);
};
}