51 lines
1.3 KiB
Rust
51 lines
1.3 KiB
Rust
/*
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* SimpleByteUnit
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*
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* Copyright (C) 2023-2025 Xavier Moffett <sapphirus@azorium.net>
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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 prefix<'a, T: Copy>(unit: &ByteUnit<T>, i: i8) -> &'a str {
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match unit {
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ByteUnit::IEC(_) => match i {
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K => "KiB",
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M => "MiB",
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G => "GiB",
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T => "TiB",
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P => "PiB",
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E => "EiB",
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_ => "B"
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},
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ByteUnit::SI(_) => match i {
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K => "kB",
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M => "MB",
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G => "GB",
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T => "TB",
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P => "PB",
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E => "EB",
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_ => "B"
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}
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}
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}
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pub fn arithmetic<T: Copy>(value: (T, f64), power_of: i8) -> (i8, f64) where i64: From<T> {
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let bytes: i64 = value.0.into();
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let diviser = value.1;
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let positive = bytes > -1;
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let mut bytes: f64 = if positive { bytes } else { -bytes } as f64;
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let mut power = 0;
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while bytes >= diviser && power < power_of {
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bytes /= diviser;
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power += 1;
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}
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match positive { true => (power, bytes), false => (power, -bytes) }
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}
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