56 lines
2 KiB
Rust
56 lines
2 KiB
Rust
/*
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* SimpleByteUnit
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*
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* Copyright 2023 Xaver R.M.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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use crate::simplebyteunit::*;
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pub fn parse_input(s: &str) -> Result<(f64, f64, i8, bool), Error> {
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let v = match s.to_lowercase() {
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string if string.ends_with("kib") => ("kib", K, true),
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string if string.ends_with("mib") => ("mib", M, true),
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string if string.ends_with("gib") => ("gib", G, true),
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string if string.ends_with("tib") => ("tib", T, true),
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string if string.ends_with("pib") => ("pib", P, true),
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string if string.ends_with("eib") => ("eib", E, true),
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string if string.ends_with("kb") => ("kb", K, false),
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string if string.ends_with("mb") => ("mb", M, false),
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string if string.ends_with("gb") => ("gb", G, false),
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string if string.ends_with("tb") => ("tb", T, false),
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string if string.ends_with("pb") => ("pb", P, false),
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string if string.ends_with("eb") => ("eb", E, false),
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string if string.ends_with("b") => ("b", B, false),
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_ => Err(Error::InvalidUnit(format!("{s} contains no supported nor valid byteunits.")))?
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};
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let s = s.to_lowercase()
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.replace(v.0, "")
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.replace(" ", "");
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let multiplier = match v.2 { true => 1024.0, false => 1000.0 };
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match s.parse() {
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Ok(val) => Ok((val, multiplier, v.1, v.2)),
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Err(_) => Err(Error::ErroroneousInput(format!("{s} contains an invalid float or integer value.")))
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}
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}
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pub fn input_arithmetic(input: (f64, f64, i8, bool)) -> (bool, i64) {
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let iec = input.3;
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let power_of = input.2;
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let multiplier = input.1;
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let mut value = input.0;
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let mut power: i8 = 0;
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while power < power_of {
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value = value * multiplier;
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power += 1;
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}
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(iec, value as i64)
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}
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