utilities/fd
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Update regex and match, update comments

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Steve Pentland 2018-04-24 17:15:53 -04:00 committed by David Peter
parent ace3f512d3
commit 0bbc7f5219
1 changed files with 16 additions and 12 deletions
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28
src/internal.rs
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@ -19,7 +19,7 @@ use regex_syntax::hir::Hir;
use regex_syntax::Parser; use regex_syntax::Parser;
lazy_static! { lazy_static! {
static ref SIZE_CAPTURES: Regex = { Regex::new(r"(?i)^([+-])(\d+)([bkmgt]i?)b?$").unwrap() }; static ref SIZE_CAPTURES: Regex = { Regex::new(r"(?i)^([+-])(\d+)(b|[kmgt]i?b?)$").unwrap() };
} }
/// Whether or not to show /// Whether or not to show
@ -53,12 +53,13 @@ pub struct SizeFilter {
limit_type: SizeLimitType, limit_type: SizeLimitType,
} }
// SI units for now // SI prefixes (powers of 10)
const KILO: u64 = 1000; const KILO: u64 = 1000;
const MEGA: u64 = KILO * 1000; const MEGA: u64 = KILO * 1000;
const GIGA: u64 = MEGA * 1000; const GIGA: u64 = MEGA * 1000;
const TERA: u64 = GIGA * 1000; const TERA: u64 = GIGA * 1000;
// Binary prefixes (powers of 2)
const KIBI: u64 = 1024; const KIBI: u64 = 1024;
const MEBI: u64 = KIBI * 1024; const MEBI: u64 = KIBI * 1024;
const GIBI: u64 = MEBI * 1024; const GIBI: u64 = MEBI * 1024;
@ -88,16 +89,17 @@ impl SizeFilter {
}, },
}; };
let multiplier = match &captures.get(3).map_or("k", |m| m.as_str()).to_lowercase()[..] { let multiplier = match &captures.get(3).map_or("b", |m| m.as_str()).to_lowercase()[..] {
"ki" => KIBI, v if v.starts_with("ki") => KIBI,
"k" => KILO, v if v.starts_with("k") => KILO,
"mi" => MEBI, v if v.starts_with("mi") => MEBI,
"m" => MEGA, v if v.starts_with("m") => MEGA,
"gi" => GIBI, v if v.starts_with("gi") => GIBI,
"g" => GIGA, v if v.starts_with("g") => GIGA,
"ti" => TEBI, v if v.starts_with("ti") => TEBI,
"t" => TERA, v if v.starts_with("t") => TERA,
_ => 1, // Any we don't understand we'll just say the number of bytes "b" => 1,
_ => return None,
}; };
Some(SizeFilter { Some(SizeFilter {
@ -452,6 +454,8 @@ gen_size_filter_failure! {
ensure_invalid_unit_returns_none_1: "+50a", ensure_invalid_unit_returns_none_1: "+50a",
ensure_invalid_unit_returns_none_2: "-10v", ensure_invalid_unit_returns_none_2: "-10v",
ensure_invalid_unit_returns_none_3: "+1Mv", ensure_invalid_unit_returns_none_3: "+1Mv",
ensure_bib_format_returns_none: "+1bib",
ensure_bb_format_returns_none: "+1bb",
} }
#[test] #[test]