diff options
Diffstat (limited to 'src/utils/gen_util.rs')
| -rw-r--r-- | src/utils/gen_util.rs | 92 |
1 files changed, 53 insertions, 39 deletions
diff --git a/src/utils/gen_util.rs b/src/utils/gen_util.rs index 3a729f2e..ae35da8d 100644 --- a/src/utils/gen_util.rs +++ b/src/utils/gen_util.rs @@ -4,45 +4,7 @@ use tui::text::{Line, Span, Text}; use unicode_segmentation::UnicodeSegmentation; use unicode_width::UnicodeWidthStr; -pub const KILO_LIMIT: u64 = 1000; -pub const MEGA_LIMIT: u64 = 1_000_000; -pub const GIGA_LIMIT: u64 = 1_000_000_000; -pub const TERA_LIMIT: u64 = 1_000_000_000_000; -pub const KIBI_LIMIT: u64 = 1024; -pub const MEBI_LIMIT: u64 = 1024 * 1024; -pub const GIBI_LIMIT: u64 = 1024 * 1024 * 1024; -pub const TEBI_LIMIT: u64 = 1024 * 1024 * 1024 * 1024; - -pub const KILO_LIMIT_F64: f64 = 1000.0; -pub const MEGA_LIMIT_F64: f64 = 1_000_000.0; -pub const GIGA_LIMIT_F64: f64 = 1_000_000_000.0; -pub const TERA_LIMIT_F64: f64 = 1_000_000_000_000.0; -pub const KIBI_LIMIT_F64: f64 = 1024.0; -pub const MEBI_LIMIT_F64: f64 = 1024.0 * 1024.0; -pub const GIBI_LIMIT_F64: f64 = 1024.0 * 1024.0 * 1024.0; -pub const TEBI_LIMIT_F64: f64 = 1024.0 * 1024.0 * 1024.0 * 1024.0; - -pub const LOG_KILO_LIMIT: f64 = 3.0; -pub const LOG_MEGA_LIMIT: f64 = 6.0; -pub const LOG_GIGA_LIMIT: f64 = 9.0; -pub const LOG_TERA_LIMIT: f64 = 12.0; -pub const LOG_PETA_LIMIT: f64 = 15.0; - -pub const LOG_KIBI_LIMIT: f64 = 10.0; -pub const LOG_MEBI_LIMIT: f64 = 20.0; -pub const LOG_GIBI_LIMIT: f64 = 30.0; -pub const LOG_TEBI_LIMIT: f64 = 40.0; -pub const LOG_PEBI_LIMIT: f64 = 50.0; - -pub const LOG_KILO_LIMIT_U32: u32 = 3; -pub const LOG_MEGA_LIMIT_U32: u32 = 6; -pub const LOG_GIGA_LIMIT_U32: u32 = 9; -pub const LOG_TERA_LIMIT_U32: u32 = 12; - -pub const LOG_KIBI_LIMIT_U32: u32 = 10; -pub const LOG_MEBI_LIMIT_U32: u32 = 20; -pub const LOG_GIBI_LIMIT_U32: u32 = 30; -pub const LOG_TEBI_LIMIT_U32: u32 = 40; +use super::data_prefixes::*; /// Returns a tuple containing the value and the unit in bytes. In units of 1024. /// This only supports up to a tebi. Note the "single" unit will have a space appended to match the others if @@ -201,6 +163,29 @@ pub fn partial_ordering_desc<T: PartialOrd>(a: T, b: T) -> Ordering { partial_ordering(a, b).reverse() } +/// Checks that the first string is equal to any of the other ones in a ASCII case-insensitive match. +/// +/// The generated code is the same as writing: +/// `to_ascii_lowercase(a) == to_ascii_lowercase(b) || to_ascii_lowercase(a) == to_ascii_lowercase(c)`, +/// but without allocating and copying temporaries. +/// +/// # Examples +/// +/// ```ignore +/// assert!(multi_eq_ignore_ascii_case!("test", "test")); +/// assert!(multi_eq_ignore_ascii_case!("test", "a" | "b" | "test")); +/// assert!(!multi_eq_ignore_ascii_case!("test", "a" | "b" | "c")); +/// ``` +#[macro_export] +macro_rules! multi_eq_ignore_ascii_case { + ( $lhs:expr, $last:literal ) => { + $lhs.eq_ignore_ascii_case($last) + }; + ( $lhs:expr, $head:literal | $($tail:tt)* ) => { + $lhs.eq_ignore_ascii_case($head) || multi_eq_ignore_ascii_case!($lhs, $($tail)*) + }; +} + #[cfg(test)] mod test { use super::*; @@ -382,4 +367,33 @@ mod test { assert_eq!(truncate_str(scientist, 1_usize), "…"); assert_eq!(truncate_str(scientist, 0_usize), ""); } + + #[test] + fn test_multi_eq_ignore_ascii_case() { + assert!( + multi_eq_ignore_ascii_case!("test", "test"), + "single comparison should succeed" + ); + assert!( + multi_eq_ignore_ascii_case!("test", "a" | "test"), + "double comparison should succeed" + ); + assert!( + multi_eq_ignore_ascii_case!("test", "a" | "b" | "test"), + "multi comparison should succeed" + ); + + assert!( + !multi_eq_ignore_ascii_case!("test", "a"), + "single non-matching should fail" + ); + assert!( + !multi_eq_ignore_ascii_case!("test", "a" | "b"), + "double non-matching should fail" + ); + assert!( + !multi_eq_ignore_ascii_case!("test", "a" | "b" | "c"), + "multi non-matching should fail" + ); + } } |