tinystr-0.3.2/.gitignore010064400007650000024000000000361352340404600134370ustar0000000000000000/target **/*.rs.bk Cargo.lock tinystr-0.3.2/.travis.yml010064400007650000024000000007071352342234400135660ustar0000000000000000language: rust sudo: required cache: cargo dist: trusty addons: apt: packages: - libssl-dev rust: - nightly - beta - stable before_cache: | if [[ "$TRAVIS_RUST_VERSION" == stable ]]; then cargo install cargo-tarpaulin -f fi script: - cargo clean - cargo build - cargo test after_success: | if [[ "$TRAVIS_RUST_VERSION" == stable ]]; then cargo tarpaulin --ciserver travis-ci --coveralls $TRAVIS_JOB_ID fi tinystr-0.3.2/benches/construct.rs010064400007650000024000000077521355566274600155060ustar0000000000000000use criterion::black_box; use criterion::criterion_group; use criterion::criterion_main; use criterion::Bencher; use criterion::Criterion; use criterion::Fun; use tinystr::{TinyStr16, TinyStr4, TinyStr8}; static STRINGS_4: &[&str] = &[ "US", "GB", "AR", "Hans", "CN", "AT", "PL", "FR", "AT", "Cyrl", "SR", "NO", "FR", "MK", "UK", ]; static STRINGS_8: &[&str] = &[ "Latn", "windows", "AR", "Hans", "macos", "AT", "pl", "FR", "en", "Cyrl", "SR", "NO", "419", "und", "UK", ]; static STRINGS_16: &[&str] = &[ "Latn", "windows", "AR", "Hans", "macos", "AT", "infiniband", "FR", "en", "Cyrl", "FromIntegral", "NO", "419", "MacintoshOSX2019", "UK", ]; macro_rules! bench_block { ($c:expr, $name:expr, $action:ident) => { let funcs = vec![ Fun::new("String", $action!(String)), Fun::new("TinyStr4", $action!(TinyStr4)), Fun::new("TinyStr8", $action!(TinyStr8)), Fun::new("TinyStr16", $action!(TinyStr16)), ]; $c.bench_functions(&format!("{}/4", $name), funcs, STRINGS_4); let funcs = vec![ Fun::new("String", $action!(String)), Fun::new("TinyStr8", $action!(TinyStr8)), Fun::new("TinyStr16", $action!(TinyStr16)), ]; $c.bench_functions(&format!("{}/8", $name), funcs, STRINGS_8); let funcs = vec![ Fun::new("String", $action!(String)), Fun::new("TinyStr16", $action!(TinyStr16)), ]; $c.bench_functions(&format!("{}/16", $name), funcs, STRINGS_16); }; } fn construct_from_str(c: &mut Criterion) { macro_rules! cfs { ($r:ty) => { |b: &mut Bencher, strings: &&[&str]| { b.iter(|| { for s in *strings { let _: $r = black_box(s.parse().unwrap()); } }) } }; }; bench_block!(c, "construct_from_str", cfs); } fn construct_from_bytes(c: &mut Criterion) { macro_rules! cfu { ($r:ty) => { |b, inputs: &&[&str]| { let raw: Vec<&[u8]> = inputs.iter().map(|s| s.as_bytes()).collect(); b.iter(move || { for u in &raw { let _ = black_box(<$r>::from_bytes(*u).unwrap()); } }) } }; }; let funcs = vec![ Fun::new("TinyStr4", cfu!(TinyStr4)), Fun::new("TinyStr8", cfu!(TinyStr8)), Fun::new("TinyStr16", cfu!(TinyStr16)), ]; c.bench_functions("construct_from_bytes/4", funcs, STRINGS_4); let funcs = vec![ Fun::new("TinyStr8", cfu!(TinyStr8)), Fun::new("TinyStr16", cfu!(TinyStr16)), ]; c.bench_functions("construct_from_bytes/8", funcs, STRINGS_8); let funcs = vec![Fun::new("TinyStr16", cfu!(TinyStr16))]; c.bench_functions("construct_from_bytes/16", funcs, STRINGS_16); } fn construct_unchecked(c: &mut Criterion) { macro_rules! cu { ($tty:ty, $rty:ty) => { |b, inputs: &&[&str]| { let raw: Vec<$rty> = inputs .iter() .map(|s| s.parse::<$tty>().unwrap().into()) .collect(); b.iter(move || { for num in &raw { let _ = unsafe { <$tty>::new_unchecked(black_box(*num)) }; } }) } }; }; let funcs = vec![Fun::new("TinyStr4", cu!(TinyStr4, u32))]; c.bench_functions("construct_unchecked/4", funcs, STRINGS_4); let funcs = vec![Fun::new("TinyStr8", cu!(TinyStr8, u64))]; c.bench_functions("construct_unchecked/8", funcs, STRINGS_8); let funcs = vec![Fun::new("TinyStr16", cu!(TinyStr16, u128))]; c.bench_functions("construct_unchecked/16", funcs, STRINGS_16); } criterion_group!( benches, construct_from_str, construct_from_bytes, construct_unchecked, ); criterion_main!(benches); tinystr-0.3.2/benches/tinystr.rs010064400007650000024000000105571355566274600151730ustar0000000000000000use criterion::black_box; use criterion::criterion_group; use criterion::criterion_main; use criterion::Bencher; use criterion::Criterion; use criterion::Fun; use tinystr::{TinyStr16, TinyStr4, TinyStr8}; static STRINGS_4: &[&str] = &[ "US", "GB", "AR", "Hans", "CN", "AT", "PL", "FR", "AT", "Cyrl", "SR", "NO", "FR", "MK", "UK", ]; static STRINGS_8: &[&str] = &[ "Latn", "windows", "AR", "Hans", "macos", "AT", "pl", "FR", "en", "Cyrl", "SR", "NO", "419", "und", "UK", ]; static STRINGS_16: &[&str] = &[ "Latn", "windows", "AR", "Hans", "macos", "AT", "infiniband", "FR", "en", "Cyrl", "FromIntegral", "NO", "419", "MacintoshOSX2019", "UK", ]; macro_rules! bench_block { ($c:expr, $name:expr, $action:ident) => { let funcs = vec![ Fun::new("String", $action!(String)), Fun::new("TinyStr4", $action!(TinyStr4)), Fun::new("TinyStr8", $action!(TinyStr8)), Fun::new("TinyStr16", $action!(TinyStr16)), ]; $c.bench_functions(&format!("{}/4", $name), funcs, STRINGS_4); let funcs = vec![ Fun::new("String", $action!(String)), Fun::new("TinyStr8", $action!(TinyStr8)), Fun::new("TinyStr16", $action!(TinyStr16)), ]; $c.bench_functions(&format!("{}/8", $name), funcs, STRINGS_8); let funcs = vec![ Fun::new("String", $action!(String)), Fun::new("TinyStr16", $action!(TinyStr16)), ]; $c.bench_functions(&format!("{}/16", $name), funcs, STRINGS_16); }; } macro_rules! convert_to_ascii { ($ty:ty, $action:ident) => { |b: &mut Bencher, inputs: &&[&str]| { let raw: Vec<$ty> = inputs.iter().map(|s| s.parse::<$ty>().unwrap()).collect(); b.iter(move || { for s in &raw { let _ = black_box(s.$action()); } }) } }; } fn convert_to_ascii_lowercase(c: &mut Criterion) { macro_rules! ctal { ($ty:ty) => { convert_to_ascii!($ty, to_ascii_lowercase) }; } bench_block!(c, "convert_to_ascii_lowercase", ctal); } fn convert_to_ascii_uppercase(c: &mut Criterion) { macro_rules! ctau { ($ty:ty) => { convert_to_ascii!($ty, to_ascii_uppercase) }; } bench_block!(c, "convert_to_ascii_uppercase", ctau); } trait ExtToAsciiTitlecase { #[inline(always)] fn to_ascii_titlecase(&self) -> String; } impl ExtToAsciiTitlecase for str { fn to_ascii_titlecase(&self) -> String { let mut result = self.to_ascii_lowercase(); result[0..1].make_ascii_uppercase(); result } } fn convert_to_ascii_titlecase(c: &mut Criterion) { macro_rules! ctat { ($ty:ty) => { convert_to_ascii!($ty, to_ascii_titlecase) }; } bench_block!(c, "convert_to_ascii_titlecase", ctat); } trait ExtIsAsciiAlphanumeric { #[inline(always)] fn is_ascii_alphanumeric(&self) -> bool; } impl ExtIsAsciiAlphanumeric for str { fn is_ascii_alphanumeric(&self) -> bool { self.chars().all(|c| c.is_ascii_alphanumeric()) } } fn test_is_ascii_alphanumeric(c: &mut Criterion) { macro_rules! tiaa { ($ty:ty) => { |b: &mut Bencher, inputs: &&[&str]| { let raw: Vec<$ty> = inputs.iter().map(|s| s.parse::<$ty>().unwrap()).collect(); b.iter(move || { for s in &raw { let _ = black_box(s.is_ascii_alphanumeric()); } }) } }; } bench_block!(c, "test_is_ascii_alphanumeric", tiaa); } fn test_eq(c: &mut Criterion) { macro_rules! te { ($ty:ty) => { |b: &mut Bencher, inputs: &&[&str]| { let raw: Vec<$ty> = inputs.iter().map(|s| s.parse::<$ty>().unwrap()).collect(); b.iter(move || { for s in &raw { for l in &raw { let _ = black_box(s == l); } } }) } }; } bench_block!(c, "test_eq", te); } criterion_group!( benches, convert_to_ascii_lowercase, convert_to_ascii_uppercase, convert_to_ascii_titlecase, test_is_ascii_alphanumeric, test_eq, ); criterion_main!(benches); tinystr-0.3.2/Cargo.toml.orig010064400007650000024000000010321355566311700143460ustar0000000000000000[package] name = "tinystr" description = """ A small ASCII-only bounded length string representation. """ version = "0.3.2" authors = ["Raph Levien ", "Zibi Braniecki "] edition = "2018" license = "Apache-2.0/MIT" repository = "https://github.com/zbraniecki/tinystr" readme = "README.md" keywords = ["string", "str", "small", "tiny"] categories = ["data-structures"] [dev-dependencies] criterion = "0.3" [[bench]] name = "construct" harness = false [[bench]] name = "tinystr" harness = false tinystr-0.3.2/Cargo.toml0000644000000020520000000000000106060ustar00# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO # # When uploading crates to the registry Cargo will automatically # "normalize" Cargo.toml files for maximal compatibility # with all versions of Cargo and also rewrite `path` dependencies # to registry (e.g., crates.io) dependencies # # If you believe there's an error in this file please file an # issue against the rust-lang/cargo repository. If you're # editing this file be aware that the upstream Cargo.toml # will likely look very different (and much more reasonable) [package] edition = "2018" name = "tinystr" version = "0.3.2" authors = ["Raph Levien ", "Zibi Braniecki "] description = "A small ASCII-only bounded length string representation.\n" readme = "README.md" keywords = ["string", "str", "small", "tiny"] categories = ["data-structures"] license = "Apache-2.0/MIT" repository = "https://github.com/zbraniecki/tinystr" [[bench]] name = "construct" harness = false [[bench]] name = "tinystr" harness = false [dev-dependencies.criterion] version = "0.3" tinystr-0.3.2/CHANGELOG.md010064400007650000024000000007061355566306100132750ustar0000000000000000# Changelog ## Unreleased - … ## tinystr 0.3.2 (October 28, 2019) - Add `from_bytes` method. ## tinystr 0.3.1 (October 1, 2019) - Documentation. ## tinystr 0.3.1 (October 1, 2019) - Documentation. ## tinystr 0.3.0 (August 23, 2019) - Separate out `is_ascii_numeric`, `is_ascii_alphanumeric` and `is_ascii_alphabetic`. ## tinystr 0.2.0 (August 16, 2019) - Add TinyStr16 - Add to_ascii_titlecase specialization for all TinyStr* tinystr-0.3.2/examples/main.rs010064400007650000024000000011331352343274100145610ustar0000000000000000use tinystr::{TinyStr4, TinyStr8}; fn main() { let s1: TinyStr4 = "tEsT".parse().expect("Failed to parse."); assert_eq!(s1, "tEsT"); assert_eq!(s1.to_ascii_uppercase(), "TEST"); assert_eq!(s1.to_ascii_lowercase(), "test"); assert_eq!(s1.to_ascii_titlecase(), "Test"); assert_eq!(s1.is_ascii_alphanumeric(), true); let s2: TinyStr8 = "New York".parse().expect("Failed to parse."); assert_eq!(s2, "New York"); assert_eq!(s2.to_ascii_uppercase(), "NEW YORK"); assert_eq!(s2.to_ascii_lowercase(), "new york"); assert_eq!(s2.is_ascii_alphanumeric(), false); } tinystr-0.3.2/LICENSE-APACHE010064400007650000024000000251371352342233700134070ustar0000000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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See the License for the specific language governing permissions and limitations under the License. tinystr-0.3.2/LICENSE-MIT010064400007650000024000000017771352342233300131170ustar0000000000000000Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. tinystr-0.3.2/README.md010064400007650000024000000053751354522232600127440ustar0000000000000000# tinystr [![crates.io](http://meritbadge.herokuapp.com/tinystr)](https://crates.io/crates/tinystr) [![Build Status](https://travis-ci.org/zbraniecki/tinystr.svg?branch=master)](https://travis-ci.org/zbraniecki/tinystr) [![Coverage Status](https://coveralls.io/repos/github/zbraniecki/tinystr/badge.svg?branch=master)](https://coveralls.io/github/zbraniecki/tinystr?branch=master) `tinystr` is a small ASCII-only bounded length string representation. Usage ----- ```rust use tinystr::{TinyStr4, TinyStr8, TinyStr16}; fn main() { let s1: TinyStr4 = "tEsT".parse() .expect("Failed to parse."); assert_eq!(s1, "tEsT"); assert_eq!(s1.to_ascii_uppercase(), "TEST"); assert_eq!(s1.to_ascii_lowercase(), "test"); assert_eq!(s1.to_ascii_titlecase(), "Test"); assert_eq!(s1.is_ascii_alphanumeric(), true); let s2: TinyStr8 = "New York".parse() .expect("Failed to parse."); assert_eq!(s2, "New York"); assert_eq!(s2.to_ascii_uppercase(), "NEW YORK"); assert_eq!(s2.to_ascii_lowercase(), "new york"); assert_eq!(s2.to_ascii_titlecase(), "New york"); assert_eq!(s2.is_ascii_alphanumeric(), false); let s3: TinyStr16 = "metaMoRphosis123".parse() .expect("Failed to parse."); assert_eq!(s3, "metaMoRphosis123"); assert_eq!(s3.to_ascii_uppercase(), "METAMORPHOSIS123"); assert_eq!(s3.to_ascii_lowercase(), "metamorphosis123"); assert_eq!(s3.to_ascii_titlecase(), "Metamorphosis123"); assert_eq!(s3.is_ascii_alphanumeric(), true); } ``` Details ------- The crateh provides three structs: * `TinyStr4` an ASCII-only string limited to 4 characters. * `TinyStr8` an ASCII-only string limited to 8 characters. * `TinyStr16` an ASCII-only string limited to 16 characters. It stores them as `u32`/`u64`/`u128` and uses bitmasking to provide basic string manipulation operations: * is_ascii_numeric * is_ascii_alphabetic * is_ascii_alphanumeric * to_ascii_lowercase * to_ascii_uppercase * to_ascii_titlecase * PartialEq This set is sufficient for certain classes of uses such as `unic-langid` libraries. Performance ----------- For those uses, TinyStr provides [performance characteristics](https://github.com/zbraniecki/tinystr/wiki/Performance) much better than the regular `String`. Status ------ The crate is fully functional and ready to be used in production. The capabilities can be extended. #### License Licensed under either of Apache License, Version 2.0 or MIT license at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in Serde by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions. tinystr-0.3.2/src/helpers.rs010064400007650000024000000011371355566274600142730ustar0000000000000000use std::num::NonZeroU32; use std::ptr::copy_nonoverlapping; use super::Error; #[inline(always)] pub(crate) unsafe fn make_4byte_bytes( bytes: &[u8], len: usize, mask: u32, ) -> Result { // Mask is always supplied as little-endian. let mask = u32::from_le(mask); let mut word: u32 = 0; copy_nonoverlapping(bytes.as_ptr(), &mut word as *mut u32 as *mut u8, len); if (word & mask) != 0 { return Err(Error::NonAscii); } if ((mask - word) & mask) != 0 { return Err(Error::InvalidNull); } Ok(NonZeroU32::new_unchecked(word)) } tinystr-0.3.2/src/lib.rs010064400007650000024000000030701355430555200133610ustar0000000000000000//! `tinystr` is a small ASCII-only bounded length string representation. //! //! The crate is meant to be used for scenarios where one needs a fast //! and memory efficient way to store and manipulate short ASCII-only strings. //! //! `tinystr` converts each string into an unsigned integer, and uses bitmasking //! to compare, convert cases and test for common characteristics of strings. //! //! # Example //! //! ``` //! use tinystr::{TinyStr4, TinyStr8}; //! //! fn main() { //! let s1: TinyStr4 = "tEsT".parse() //! .expect("Failed to parse."); //! //! assert_eq!(s1, "tEsT"); //! assert_eq!(s1.to_ascii_uppercase(), "TEST"); //! assert_eq!(s1.to_ascii_lowercase(), "test"); //! assert_eq!(s1.to_ascii_titlecase(), "Test"); //! assert_eq!(s1.is_ascii_alphanumeric(), true); //! //! let s2: TinyStr8 = "New York".parse() //! .expect("Failed to parse."); //! //! assert_eq!(s2, "New York"); //! assert_eq!(s2.to_ascii_uppercase(), "NEW YORK"); //! assert_eq!(s2.to_ascii_lowercase(), "new york"); //! assert_eq!(s2.is_ascii_alphanumeric(), false); //! } //! ``` mod helpers; mod tinystr16; mod tinystr4; mod tinystr8; pub use tinystr16::TinyStr16; pub use tinystr4::TinyStr4; pub use tinystr8::TinyStr8; /// Enum to store the various types of errors that can cause parsing a TinyStr to fail. #[derive(PartialEq, Eq, Debug)] pub enum Error { /// String is too large or too small to store as TinyStr. InvalidSize, /// String is empty. InvalidNull, /// String contains non-ASCII character(s). NonAscii, } tinystr-0.3.2/src/tinystr16.rs010064400007650000024000000230651355566274600145200ustar0000000000000000use std::cmp::Ordering; use std::convert::Into; use std::fmt; use std::num::NonZeroU128; use std::ops::Deref; use std::ptr::copy_nonoverlapping; use std::str::FromStr; use crate::Error; /// A tiny string that is from 1 to 16 non-NUL ASCII characters. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1: TinyStr16 = "Metamorphosis".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1, "Metamorphosis"); /// assert!(s1.is_ascii_alphabetic()); /// ``` #[derive(Copy, Clone, PartialEq, Eq, Hash)] pub struct TinyStr16(NonZeroU128); impl TinyStr16 { /// Creates a TinyStr16 from a byte slice. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1 = TinyStr16::from_bytes("Testing".as_bytes()) /// .expect("Failed to parse."); /// /// assert_eq!(s1, "Testing"); /// ``` #[inline(always)] pub fn from_bytes(bytes: &[u8]) -> Result { let len = bytes.len(); if len < 1 || len > 16 { return Err(Error::InvalidSize); } unsafe { let mut word: u128 = 0; copy_nonoverlapping(bytes.as_ptr(), &mut word as *mut u128 as *mut u8, len); let mask = 0x80808080_80808080_80808080_80808080u128 >> (8 * (16 - len)); // TODO: could do this with #cfg(target_endian), but this is clearer and // more confidence-inspiring. let mask = u128::from_le(mask); if (word & mask) != 0 { return Err(Error::NonAscii); } if ((mask - word) & mask) != 0 { return Err(Error::InvalidNull); } Ok(Self(NonZeroU128::new_unchecked(word))) } } /// An unsafe constructor intended for cases where the consumer /// guarantees that the input is a little endian integer which /// is a correct representation of a `TinyStr16` string. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1: TinyStr16 = "Metamorphosis".parse() /// .expect("Failed to parse."); /// /// let num: u128 = s1.into(); /// /// let s2 = unsafe { TinyStr16::new_unchecked(num) }; /// /// assert_eq!(s1, s2); /// assert_eq!(s2.as_str(), "Metamorphosis"); /// ``` #[inline(always)] pub const unsafe fn new_unchecked(text: u128) -> Self { Self(NonZeroU128::new_unchecked(u128::from_le(text))) } /// Extracts a string slice containing the entire `TinyStr16`. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1: TinyStr16 = "Metamorphosis".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.as_str(), "Metamorphosis"); /// ``` #[inline(always)] pub fn as_str(&self) -> &str { self.deref() } /// Checks if the value is composed of ASCII alphabetic characters: /// /// * U+0041 'A' ..= U+005A 'Z', or /// * U+0061 'a' ..= U+007A 'z'. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1: TinyStr16 = "Metamorphosis".parse() /// .expect("Failed to parse."); /// let s2: TinyStr16 = "Met3mo4pho!is".parse() /// .expect("Failed to parse."); /// /// assert!(s1.is_ascii_alphabetic()); /// assert!(!s2.is_ascii_alphabetic()); /// ``` pub fn is_ascii_alphabetic(self) -> bool { let word = self.0.get(); let mask = (word + 0x7f7f7f7f_7f7f7f7f_7f7f7f7f_7f7f7f7f) & 0x80808080_80808080_80808080_80808080; let lower = word | 0x20202020_20202020_20202020_20202020; let alpha = !(lower + 0x1f1f1f1f_1f1f1f1f_1f1f1f1f_1f1f1f1f) | (lower + 0x05050505_05050505_05050505_05050505); (alpha & mask) == 0 } /// Checks if the value is composed of ASCII alphanumeric characters: /// /// * U+0041 'A' ..= U+005A 'Z', or /// * U+0061 'a' ..= U+007A 'z', or /// * U+0030 '0' ..= U+0039 '9'. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1: TinyStr16 = "A15bingA1".parse() /// .expect("Failed to parse."); /// let s2: TinyStr16 = "[3@w00Fs1".parse() /// .expect("Failed to parse."); /// /// assert!(s1.is_ascii_alphanumeric()); /// assert!(!s2.is_ascii_alphanumeric()); /// ``` pub fn is_ascii_alphanumeric(self) -> bool { let word = self.0.get(); let mask = (word + 0x7f7f7f7f_7f7f7f7f_7f7f7f7f_7f7f7f7f) & 0x80808080_80808080_80808080_80808080; let numeric = !(word + 0x50505050_50505050_50505050_50505050) | (word + 0x46464646_46464646_46464646_46464646); let lower = word | 0x20202020_20202020_20202020_20202020; let alpha = !(lower + 0x1f1f1f1f_1f1f1f1f_1f1f1f1f_1f1f1f1f) | (lower + 0x05050505_05050505_05050505_05050505); (alpha & numeric & mask) == 0 } /// Checks if the value is composed of ASCII decimal digits: /// /// * U+0030 '0' ..= U+0039 '9'. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1: TinyStr16 = "31212314141".parse() /// .expect("Failed to parse."); /// let s2: TinyStr16 = "3d3d3d3d".parse() /// .expect("Failed to parse."); /// /// assert!(s1.is_ascii_numeric()); /// assert!(!s2.is_ascii_numeric()); /// ``` pub fn is_ascii_numeric(self) -> bool { let word = self.0.get(); let mask = (word + 0x7f7f7f7f_7f7f7f7f_7f7f7f7f_7f7f7f7f) & 0x80808080_80808080_80808080_80808080; let numeric = !(word + 0x50505050_50505050_50505050_50505050) | (word + 0x46464646_46464646_46464646_46464646); (numeric & mask) == 0 } /// Converts this type to its ASCII lower case equivalent in-place. /// /// ASCII letters 'A' to 'Z' are mapped to 'a' to 'z', other characters are unchanged. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1: TinyStr16 = "MeTAmOrpHo3sis".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.to_ascii_lowercase(), "metamorpho3sis"); /// ``` pub fn to_ascii_lowercase(self) -> Self { let word = self.0.get(); let result = word | (((word + 0x3f3f3f3f_3f3f3f3f_3f3f3f3f_3f3f3f3f) & !(word + 0x25252525_25252525_25252525_25252525) & 0x80808080_80808080_80808080_80808080) >> 2); unsafe { Self(NonZeroU128::new_unchecked(result)) } } /// Converts this type to its ASCII title case equivalent in-place. /// /// First character, if is an ASCII letter 'a' to 'z' is mapped to 'A' to 'Z', /// other characters are unchanged. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1: TinyStr16 = "metamorphosis".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.to_ascii_titlecase(), "Metamorphosis"); /// ``` pub fn to_ascii_titlecase(self) -> Self { let word = self.0.get().to_le(); let mask = ((word + 0x3f3f3f3f_3f3f3f3f_3f3f3f3f_3f3f3f1f) & !(word + 0x25252525_25252525_25252525_25252505) & 0x80808080_80808080_80808080_80808080) >> 2; let result = (word | mask) & !(0x20 & mask); unsafe { Self(NonZeroU128::new_unchecked(u128::from_le(result))) } } /// Converts this type to its ASCII upper case equivalent in-place. /// /// ASCII letters 'a' to 'z' are mapped to 'A' to 'Z', other characters are unchanged. /// /// # Examples /// /// ``` /// use tinystr::TinyStr16; /// /// let s1: TinyStr16 = "Met3amorphosis".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.to_ascii_uppercase(), "MET3AMORPHOSIS"); /// ``` pub fn to_ascii_uppercase(self) -> Self { let word = self.0.get(); let result = word & !(((word + 0x1f1f1f1f_1f1f1f1f_1f1f1f1f_1f1f1f1f) & !(word + 0x05050505_05050505_05050505_05050505) & 0x80808080_80808080_80808080_80808080) >> 2); unsafe { Self(NonZeroU128::new_unchecked(result)) } } } impl fmt::Display for TinyStr16 { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{}", self.deref()) } } impl fmt::Debug for TinyStr16 { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{:?}", self.deref()) } } impl Deref for TinyStr16 { type Target = str; #[inline(always)] fn deref(&self) -> &str { // Again, could use #cfg to hand-roll a big-endian implementation. let word = self.0.get().to_le(); let len = (16 - word.leading_zeros() / 8) as usize; unsafe { let slice = core::slice::from_raw_parts(&self.0 as *const _ as *const u8, len); std::str::from_utf8_unchecked(slice) } } } impl PartialEq<&str> for TinyStr16 { fn eq(&self, other: &&str) -> bool { self.deref() == *other } } impl PartialOrd for TinyStr16 { fn partial_cmp(&self, other: &Self) -> Option { Some(self.cmp(other)) } } impl Ord for TinyStr16 { fn cmp(&self, other: &Self) -> Ordering { self.0.get().to_be().cmp(&other.0.get().to_be()) } } impl FromStr for TinyStr16 { type Err = Error; #[inline(always)] fn from_str(text: &str) -> Result { Self::from_bytes(text.as_bytes()) } } impl Into for TinyStr16 { fn into(self) -> u128 { self.0.get().to_le() } } tinystr-0.3.2/src/tinystr4.rs010064400007650000024000000201461355566274600144320ustar0000000000000000use std::cmp::Ordering; use std::convert::Into; use std::fmt; use std::num::NonZeroU32; use std::ops::Deref; use std::str::FromStr; use crate::helpers::make_4byte_bytes; use crate::Error; /// A tiny string that is from 1 to 4 non-NUL ASCII characters. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1: TinyStr4 = "Test".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1, "Test"); /// assert!(s1.is_ascii_alphabetic()); /// ``` #[derive(Copy, Clone, PartialEq, Eq, Hash)] pub struct TinyStr4(NonZeroU32); impl TinyStr4 { /// Creates a TinyStr4 from a byte slice. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1 = TinyStr4::from_bytes("Test".as_bytes()) /// .expect("Failed to parse."); /// /// assert_eq!(s1, "Test"); /// ``` #[inline(always)] pub fn from_bytes(bytes: &[u8]) -> Result { unsafe { match bytes.len() { 1 => make_4byte_bytes(bytes, 1, 0x80).map(Self), 2 => make_4byte_bytes(bytes, 2, 0x8080).map(Self), 3 => make_4byte_bytes(bytes, 3, 0x0080_8080).map(Self), 4 => make_4byte_bytes(bytes, 4, 0x8080_8080).map(Self), _ => Err(Error::InvalidSize), } } } /// An unsafe constructor intended for cases where the consumer /// guarantees that the input is a little endian integer which /// is a correct representation of a `TinyStr4` string. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1: TinyStr4 = "Test".parse() /// .expect("Failed to parse."); /// /// let num: u32 = s1.into(); /// /// let s2 = unsafe { TinyStr4::new_unchecked(num) }; /// /// assert_eq!(s1, s2); /// assert_eq!(s2.as_str(), "Test"); /// ``` #[inline(always)] pub const unsafe fn new_unchecked(text: u32) -> Self { Self(NonZeroU32::new_unchecked(u32::from_le(text))) } /// Extracts a string slice containing the entire `TinyStr4`. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1: TinyStr4 = "Test".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.as_str(), "Test"); /// ``` #[inline(always)] pub fn as_str(&self) -> &str { self.deref() } /// Checks if the value is composed of ASCII alphabetic characters: /// /// * U+0041 'A' ..= U+005A 'Z', or /// * U+0061 'a' ..= U+007A 'z'. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1: TinyStr4 = "Test".parse() /// .expect("Failed to parse."); /// let s2: TinyStr4 = "Te3t".parse() /// .expect("Failed to parse."); /// /// assert!(s1.is_ascii_alphabetic()); /// assert!(!s2.is_ascii_alphabetic()); /// ``` pub fn is_ascii_alphabetic(self) -> bool { let word = self.0.get(); let mask = (word + 0x7f7f_7f7f) & 0x8080_8080; let lower = word | 0x2020_2020; let alpha = !(lower + 0x1f1f_1f1f) | (lower + 0x0505_0505); (alpha & mask) == 0 } /// Checks if the value is composed of ASCII alphanumeric characters: /// /// * U+0041 'A' ..= U+005A 'Z', or /// * U+0061 'a' ..= U+007A 'z', or /// * U+0030 '0' ..= U+0039 '9'. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1: TinyStr4 = "A15b".parse() /// .expect("Failed to parse."); /// let s2: TinyStr4 = "[3@w".parse() /// .expect("Failed to parse."); /// /// assert!(s1.is_ascii_alphanumeric()); /// assert!(!s2.is_ascii_alphanumeric()); /// ``` pub fn is_ascii_alphanumeric(self) -> bool { let word = self.0.get(); let mask = (word + 0x7f7f_7f7f) & 0x8080_8080; let numeric = !(word + 0x5050_5050) | (word + 0x4646_4646); let lower = word | 0x2020_2020; let alpha = !(lower + 0x1f1f_1f1f) | (lower + 0x0505_0505); (alpha & numeric & mask) == 0 } /// Checks if the value is composed of ASCII decimal digits: /// /// * U+0030 '0' ..= U+0039 '9'. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1: TinyStr4 = "312".parse() /// .expect("Failed to parse."); /// let s2: TinyStr4 = "3d".parse() /// .expect("Failed to parse."); /// /// assert!(s1.is_ascii_numeric()); /// assert!(!s2.is_ascii_numeric()); /// ``` pub fn is_ascii_numeric(self) -> bool { let word = self.0.get(); let mask = (word + 0x7f7f_7f7f) & 0x8080_8080; let numeric = !(word + 0x5050_5050) | (word + 0x4646_4646); (numeric & mask) == 0 } /// Converts this type to its ASCII lower case equivalent in-place. /// /// ASCII letters 'A' to 'Z' are mapped to 'a' to 'z', other characters are unchanged. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1: TinyStr4 = "TeS3".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.to_ascii_lowercase(), "tes3"); /// ``` pub fn to_ascii_lowercase(self) -> Self { let word = self.0.get(); let result = word | (((word + 0x3f3f_3f3f) & !(word + 0x2525_2525) & 0x8080_8080) >> 2); unsafe { Self(NonZeroU32::new_unchecked(result)) } } /// Converts this type to its ASCII title case equivalent in-place. /// /// First character, if is an ASCII letter 'a' to 'z' is mapped to 'A' to 'Z', /// other characters are unchanged. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1: TinyStr4 = "test".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.to_ascii_titlecase(), "Test"); /// ``` pub fn to_ascii_titlecase(self) -> Self { let word = self.0.get().to_le(); let mask = ((word + 0x3f3f_3f1f) & !(word + 0x2525_2505) & 0x8080_8080) >> 2; let result = (word | mask) & !(0x20 & mask); unsafe { Self(NonZeroU32::new_unchecked(u32::from_le(result))) } } /// Converts this type to its ASCII upper case equivalent in-place. /// /// ASCII letters 'a' to 'z' are mapped to 'A' to 'Z', other characters are unchanged. /// /// # Examples /// /// ``` /// use tinystr::TinyStr4; /// /// let s1: TinyStr4 = "Tes3".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.to_ascii_uppercase(), "TES3"); /// ``` pub fn to_ascii_uppercase(self) -> Self { let word = self.0.get(); let result = word & !(((word + 0x1f1f_1f1f) & !(word + 0x0505_0505) & 0x8080_8080) >> 2); unsafe { Self(NonZeroU32::new_unchecked(result)) } } } impl fmt::Display for TinyStr4 { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{}", self.deref()) } } impl fmt::Debug for TinyStr4 { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{:?}", self.deref()) } } impl Deref for TinyStr4 { type Target = str; #[inline(always)] fn deref(&self) -> &str { // Again, could use #cfg to hand-roll a big-endian implementation. let word = self.0.get().to_le(); let len = (4 - word.leading_zeros() / 8) as usize; unsafe { let slice = core::slice::from_raw_parts(&self.0 as *const _ as *const u8, len); std::str::from_utf8_unchecked(slice) } } } impl PartialEq<&str> for TinyStr4 { fn eq(&self, other: &&str) -> bool { self.deref() == *other } } impl PartialOrd for TinyStr4 { fn partial_cmp(&self, other: &Self) -> Option { Some(self.cmp(other)) } } impl Ord for TinyStr4 { fn cmp(&self, other: &Self) -> Ordering { self.0.get().to_be().cmp(&other.0.get().to_be()) } } impl FromStr for TinyStr4 { type Err = Error; #[inline(always)] fn from_str(text: &str) -> Result { Self::from_bytes(text.as_bytes()) } } impl Into for TinyStr4 { fn into(self) -> u32 { self.0.get().to_le() } } tinystr-0.3.2/src/tinystr8.rs010064400007650000024000000215551355566274600144430ustar0000000000000000use std::cmp::Ordering; use std::convert::Into; use std::fmt; use std::num::NonZeroU64; use std::ops::Deref; use std::ptr::copy_nonoverlapping; use std::str::FromStr; use crate::Error; /// A tiny string that is from 1 to 8 non-NUL ASCII characters. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1: TinyStr8 = "Testing".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1, "Testing"); /// assert!(s1.is_ascii_alphabetic()); /// ``` #[derive(Copy, Clone, PartialEq, Eq, Hash)] pub struct TinyStr8(NonZeroU64); impl TinyStr8 { /// Creates a TinyStr8 from a byte slice. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1 = TinyStr8::from_bytes("Testing".as_bytes()) /// .expect("Failed to parse."); /// /// assert_eq!(s1, "Testing"); /// ``` #[inline(always)] pub fn from_bytes(bytes: &[u8]) -> Result { let len = bytes.len(); if len < 1 || len > 8 { return Err(Error::InvalidSize); } unsafe { let mut word: u64 = 0; copy_nonoverlapping(bytes.as_ptr(), &mut word as *mut u64 as *mut u8, len); let mask = 0x80808080_80808080u64 >> (8 * (8 - len)); // TODO: could do this with #cfg(target_endian), but this is clearer and // more confidence-inspiring. let mask = u64::from_le(mask); if (word & mask) != 0 { return Err(Error::NonAscii); } if ((mask - word) & mask) != 0 { return Err(Error::InvalidNull); } Ok(Self(NonZeroU64::new_unchecked(word))) } } /// An unsafe constructor intended for cases where the consumer /// guarantees that the input is a little endian integer which /// is a correct representation of a `TinyStr8` string. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1: TinyStr8 = "Testing".parse() /// .expect("Failed to parse."); /// /// let num: u64 = s1.into(); /// /// let s2 = unsafe { TinyStr8::new_unchecked(num) }; /// /// assert_eq!(s1, s2); /// assert_eq!(s2.as_str(), "Testing"); /// ``` #[inline(always)] pub const unsafe fn new_unchecked(text: u64) -> Self { Self(NonZeroU64::new_unchecked(u64::from_le(text))) } /// Extracts a string slice containing the entire `TinyStr8`. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1: TinyStr8 = "Testing".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.as_str(), "Testing"); /// ``` #[inline(always)] pub fn as_str(&self) -> &str { self.deref() } /// Checks if the value is composed of ASCII alphabetic characters: /// /// * U+0041 'A' ..= U+005A 'Z', or /// * U+0061 'a' ..= U+007A 'z'. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1: TinyStr8 = "Testing".parse() /// .expect("Failed to parse."); /// let s2: TinyStr8 = "Te3ting".parse() /// .expect("Failed to parse."); /// /// assert!(s1.is_ascii_alphabetic()); /// assert!(!s2.is_ascii_alphabetic()); /// ``` pub fn is_ascii_alphabetic(self) -> bool { let word = self.0.get(); let mask = (word + 0x7f7f7f7f_7f7f7f7f) & 0x80808080_80808080; let lower = word | 0x20202020_20202020; let alpha = !(lower + 0x1f1f1f1f_1f1f1f1f) | (lower + 0x05050505_05050505); (alpha & mask) == 0 } /// Checks if the value is composed of ASCII alphanumeric characters: /// /// * U+0041 'A' ..= U+005A 'Z', or /// * U+0061 'a' ..= U+007A 'z', or /// * U+0030 '0' ..= U+0039 '9'. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1: TinyStr8 = "A15bing".parse() /// .expect("Failed to parse."); /// let s2: TinyStr8 = "[3@wing".parse() /// .expect("Failed to parse."); /// /// assert!(s1.is_ascii_alphanumeric()); /// assert!(!s2.is_ascii_alphanumeric()); /// ``` pub fn is_ascii_alphanumeric(self) -> bool { let word = self.0.get(); let mask = (word + 0x7f7f7f7f_7f7f7f7f) & 0x80808080_80808080; let numeric = !(word + 0x50505050_50505050) | (word + 0x46464646_46464646); let lower = word | 0x20202020_20202020; let alpha = !(lower + 0x1f1f1f1f_1f1f1f1f) | (lower + 0x05050505_05050505); (alpha & numeric & mask) == 0 } /// Checks if the value is composed of ASCII decimal digits: /// /// * U+0030 '0' ..= U+0039 '9'. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1: TinyStr8 = "3121029".parse() /// .expect("Failed to parse."); /// let s2: TinyStr8 = "3d212d".parse() /// .expect("Failed to parse."); /// /// assert!(s1.is_ascii_numeric()); /// assert!(!s2.is_ascii_numeric()); /// ``` pub fn is_ascii_numeric(self) -> bool { let word = self.0.get(); let mask = (word + 0x7f7f7f7f_7f7f7f7f) & 0x80808080_80808080; let numeric = !(word + 0x50505050_50505050) | (word + 0x46464646_46464646); (numeric & mask) == 0 } /// Converts this type to its ASCII lower case equivalent in-place. /// /// ASCII letters 'A' to 'Z' are mapped to 'a' to 'z', other characters are unchanged. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1: TinyStr8 = "TeS3ing".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.to_ascii_lowercase(), "tes3ing"); /// ``` pub fn to_ascii_lowercase(self) -> Self { let word = self.0.get(); let result = word | (((word + 0x3f3f3f3f_3f3f3f3f) & !(word + 0x25252525_25252525) & 0x80808080_80808080) >> 2); unsafe { Self(NonZeroU64::new_unchecked(result)) } } /// Converts this type to its ASCII title case equivalent in-place. /// /// First character, if is an ASCII letter 'a' to 'z' is mapped to 'A' to 'Z', /// other characters are unchanged. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1: TinyStr8 = "testing".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.to_ascii_titlecase(), "Testing"); /// ``` pub fn to_ascii_titlecase(self) -> Self { let word = self.0.get().to_le(); let mask = ((word + 0x3f3f3f3f_3f3f3f1f) & !(word + 0x25252525_25252505) & 0x80808080_80808080) >> 2; let result = (word | mask) & !(0x20 & mask); unsafe { Self(NonZeroU64::new_unchecked(u64::from_le(result))) } } /// Converts this type to its ASCII upper case equivalent in-place. /// /// ASCII letters 'a' to 'z' are mapped to 'A' to 'Z', other characters are unchanged. /// /// # Examples /// /// ``` /// use tinystr::TinyStr8; /// /// let s1: TinyStr8 = "Tes3ing".parse() /// .expect("Failed to parse."); /// /// assert_eq!(s1.to_ascii_uppercase(), "TES3ING"); /// ``` pub fn to_ascii_uppercase(self) -> Self { let word = self.0.get(); let result = word & !(((word + 0x1f1f1f1f_1f1f1f1f) & !(word + 0x05050505_05050505) & 0x80808080_80808080) >> 2); unsafe { Self(NonZeroU64::new_unchecked(result)) } } } impl fmt::Display for TinyStr8 { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{}", self.deref()) } } impl fmt::Debug for TinyStr8 { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{:?}", self.deref()) } } impl Deref for TinyStr8 { type Target = str; #[inline(always)] fn deref(&self) -> &str { // Again, could use #cfg to hand-roll a big-endian implementation. let word = self.0.get().to_le(); let len = (8 - word.leading_zeros() / 8) as usize; unsafe { let slice = core::slice::from_raw_parts(&self.0 as *const _ as *const u8, len); std::str::from_utf8_unchecked(slice) } } } impl PartialEq<&str> for TinyStr8 { fn eq(&self, other: &&str) -> bool { self.deref() == *other } } impl PartialOrd for TinyStr8 { fn partial_cmp(&self, other: &Self) -> Option { Some(self.cmp(other)) } } impl Ord for TinyStr8 { fn cmp(&self, other: &Self) -> Ordering { self.0.get().to_be().cmp(&other.0.get().to_be()) } } impl FromStr for TinyStr8 { type Err = Error; #[inline(always)] fn from_str(text: &str) -> Result { TinyStr8::from_bytes(text.as_bytes()) } } impl Into for TinyStr8 { fn into(self) -> u64 { self.0.get().to_le() } } tinystr-0.3.2/tests/main.rs010064400007650000024000000306561355566274600141400ustar0000000000000000use std::fmt::Write; use std::ops::Deref; use tinystr::{Error, TinyStr16, TinyStr4, TinyStr8}; #[test] fn tiny4_basic() { let s: TinyStr4 = "abc".parse().unwrap(); assert_eq!(s.deref(), "abc"); } #[test] fn tiny4_from_bytes() { let s = TinyStr4::from_bytes("abc".as_bytes()).unwrap(); assert_eq!(s.deref(), "abc"); assert_eq!( TinyStr4::from_bytes(&[0, 159, 146, 150]), Err(Error::NonAscii) ); assert_eq!(TinyStr4::from_bytes(&[]), Err(Error::InvalidSize)); assert_eq!(TinyStr4::from_bytes(&[0]), Err(Error::InvalidNull)); } #[test] fn tiny4_size() { assert_eq!("".parse::(), Err(Error::InvalidSize)); assert!("1".parse::().is_ok()); assert!("12".parse::().is_ok()); assert!("123".parse::().is_ok()); assert!("1234".parse::().is_ok()); assert_eq!("12345".parse::(), Err(Error::InvalidSize)); assert_eq!("123456789".parse::(), Err(Error::InvalidSize)); } #[test] fn tiny4_null() { assert_eq!("a\u{0}b".parse::(), Err(Error::InvalidNull)); } #[test] fn tiny4_new_unchecked() { let reference: TinyStr4 = "en".parse().unwrap(); let uval: u32 = reference.into(); let s = unsafe { TinyStr4::new_unchecked(uval) }; assert_eq!(s, reference); assert_eq!(s, "en"); } #[test] fn tiny4_nonascii() { assert_eq!("\u{4000}".parse::(), Err(Error::NonAscii)); } #[test] fn tiny4_alpha() { let s: TinyStr4 = "@aZ[".parse().unwrap(); assert!(!s.is_ascii_alphabetic()); assert!(!s.is_ascii_alphanumeric()); assert_eq!(s.to_ascii_uppercase().as_str(), "@AZ["); assert_eq!(s.to_ascii_lowercase().as_str(), "@az["); assert!("abYZ".parse::().unwrap().is_ascii_alphabetic()); assert!("abYZ".parse::().unwrap().is_ascii_alphanumeric()); assert!("a123".parse::().unwrap().is_ascii_alphanumeric()); assert!(!"a123".parse::().unwrap().is_ascii_alphabetic()); } #[test] fn tiny4_numeric() { let s: TinyStr4 = "@aZ[".parse().unwrap(); assert!(!s.is_ascii_numeric()); assert!("0123".parse::().unwrap().is_ascii_numeric()); } #[test] fn tiny4_titlecase() { assert_eq!( "abcd" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "Abcd" ); assert_eq!( "ABCD" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "Abcd" ); assert_eq!( "aBCD" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "Abcd" ); assert_eq!( "A123" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "A123" ); assert_eq!( "123a" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "123a" ); } #[test] fn tiny4_ord() { let mut v: Vec = vec!["zh".parse().unwrap(), "fr".parse().unwrap()]; v.sort(); assert_eq!(v.get(0).unwrap().as_str(), "fr"); assert_eq!(v.get(1).unwrap().as_str(), "zh"); } #[test] fn tiny4_eq() { let s1: TinyStr4 = "en".parse().unwrap(); let s2: TinyStr4 = "fr".parse().unwrap(); let s3: TinyStr4 = "en".parse().unwrap(); assert_eq!(s1, s3); assert_ne!(s1, s2); } #[test] fn tiny4_display() { let s: TinyStr4 = "abcd".parse().unwrap(); let mut result = String::new(); write!(result, "{}", s).unwrap(); assert_eq!(result, "abcd"); assert_eq!(format!("{}", s), "abcd"); } #[test] fn tiny4_debug() { let s: TinyStr4 = "abcd".parse().unwrap(); assert_eq!(format!("{:#?}", s), "\"abcd\""); } #[test] fn tiny8_basic() { let s: TinyStr8 = "abcde".parse().unwrap(); assert_eq!(s.deref(), "abcde"); } #[test] fn tiny8_from_bytes() { let s = TinyStr8::from_bytes("abcde".as_bytes()).unwrap(); assert_eq!(s.deref(), "abcde"); assert_eq!( TinyStr8::from_bytes(&[0, 159, 146, 150]), Err(Error::NonAscii) ); assert_eq!(TinyStr8::from_bytes(&[]), Err(Error::InvalidSize)); assert_eq!(TinyStr8::from_bytes(&[0]), Err(Error::InvalidNull)); } #[test] fn tiny8_size() { assert_eq!("".parse::(), Err(Error::InvalidSize)); assert!("1".parse::().is_ok()); assert!("12".parse::().is_ok()); assert!("123".parse::().is_ok()); assert!("1234".parse::().is_ok()); assert!("12345".parse::().is_ok()); assert!("123456".parse::().is_ok()); assert!("1234567".parse::().is_ok()); assert!("12345678".parse::().is_ok()); assert_eq!("123456789".parse::(), Err(Error::InvalidSize)); } #[test] fn tiny8_null() { assert_eq!("a\u{0}b".parse::(), Err(Error::InvalidNull)); } #[test] fn tiny8_new_unchecked() { let reference: TinyStr8 = "Windows".parse().unwrap(); let uval: u64 = reference.into(); let s = unsafe { TinyStr8::new_unchecked(uval) }; assert_eq!(s, reference); assert_eq!(s, "Windows"); } #[test] fn tiny8_nonascii() { assert_eq!("\u{4000}".parse::(), Err(Error::NonAscii)); } #[test] fn tiny8_alpha() { let s: TinyStr8 = "@abcXYZ[".parse().unwrap(); assert!(!s.is_ascii_alphabetic()); assert!(!s.is_ascii_alphanumeric()); assert_eq!(s.to_ascii_uppercase().as_str(), "@ABCXYZ["); assert_eq!(s.to_ascii_lowercase().as_str(), "@abcxyz["); assert!("abcXYZ".parse::().unwrap().is_ascii_alphabetic()); assert!("abcXYZ" .parse::() .unwrap() .is_ascii_alphanumeric()); assert!(!"abc123".parse::().unwrap().is_ascii_alphabetic()); assert!("abc123" .parse::() .unwrap() .is_ascii_alphanumeric()); } #[test] fn tiny8_numeric() { let s: TinyStr8 = "@abcXYZ[".parse().unwrap(); assert!(!s.is_ascii_numeric()); assert!("01234567".parse::().unwrap().is_ascii_numeric()); } #[test] fn tiny8_titlecase() { assert_eq!( "abcdabcd" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "Abcdabcd" ); assert_eq!( "ABCDABCD" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "Abcdabcd" ); assert_eq!( "aBCDaBCD" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "Abcdabcd" ); assert_eq!( "A123a123" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "A123a123" ); assert_eq!( "123a123A" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "123a123a" ); } #[test] fn tiny8_ord() { let mut v: Vec = vec!["nedis".parse().unwrap(), "macos".parse().unwrap()]; v.sort(); assert_eq!(v.get(0).unwrap().as_str(), "macos"); assert_eq!(v.get(1).unwrap().as_str(), "nedis"); } #[test] fn tiny8_eq() { let s1: TinyStr8 = "windows".parse().unwrap(); let s2: TinyStr8 = "mac".parse().unwrap(); let s3: TinyStr8 = "windows".parse().unwrap(); assert_eq!(s1, s3); assert_ne!(s1, s2); } #[test] fn tiny8_display() { let s: TinyStr8 = "abcdef".parse().unwrap(); let mut result = String::new(); write!(result, "{}", s).unwrap(); assert_eq!(result, "abcdef"); assert_eq!(format!("{}", s), "abcdef"); } #[test] fn tiny8_debug() { let s: TinyStr8 = "abcdef".parse().unwrap(); assert_eq!(format!("{:#?}", s), "\"abcdef\""); } #[test] fn tiny16_from_bytes() { let s = TinyStr16::from_bytes("abcdefghijk".as_bytes()).unwrap(); assert_eq!(s.deref(), "abcdefghijk"); assert_eq!( TinyStr16::from_bytes(&[0, 159, 146, 150]), Err(Error::NonAscii) ); assert_eq!(TinyStr16::from_bytes(&[]), Err(Error::InvalidSize)); assert_eq!(TinyStr16::from_bytes(&[0]), Err(Error::InvalidNull)); } #[test] fn tiny16_size() { assert_eq!("".parse::(), Err(Error::InvalidSize)); assert!("1".parse::().is_ok()); assert!("12".parse::().is_ok()); assert!("123".parse::().is_ok()); assert!("1234".parse::().is_ok()); assert!("12345".parse::().is_ok()); assert!("123456".parse::().is_ok()); assert!("1234567".parse::().is_ok()); assert!("12345678".parse::().is_ok()); assert!("123456781".parse::().is_ok()); assert!("1234567812".parse::().is_ok()); assert!("12345678123".parse::().is_ok()); assert!("123456781234".parse::().is_ok()); assert!("1234567812345".parse::().is_ok()); assert!("12345678123456".parse::().is_ok()); assert!("123456781234567".parse::().is_ok()); assert!("1234567812345678".parse::().is_ok()); assert_eq!( "12345678123456789".parse::(), Err(Error::InvalidSize) ); } #[test] fn tiny16_null() { assert_eq!("a\u{0}b".parse::(), Err(Error::InvalidNull)); } #[test] fn tiny16_new_unchecked() { let reference: TinyStr16 = "WindowsCE/ME/NT".parse().unwrap(); let uval: u128 = reference.into(); let s = unsafe { TinyStr16::new_unchecked(uval) }; assert_eq!(s, reference); assert_eq!(s, "WindowsCE/ME/NT"); } #[test] fn tiny16_nonascii() { assert_eq!("\u{4000}".parse::(), Err(Error::NonAscii)); } #[test] fn tiny16_alpha() { let s: TinyStr16 = "@abcdefgTUVWXYZ[".parse().unwrap(); assert!(!s.is_ascii_alphabetic()); assert!(!s.is_ascii_alphanumeric()); assert_eq!(s.to_ascii_uppercase().as_str(), "@ABCDEFGTUVWXYZ["); assert_eq!(s.to_ascii_lowercase().as_str(), "@abcdefgtuvwxyz["); assert!("abcdefgTUVWXYZ" .parse::() .unwrap() .is_ascii_alphabetic()); assert!("abcdefgTUVWXYZ" .parse::() .unwrap() .is_ascii_alphanumeric()); assert!(!"abcdefg0123456" .parse::() .unwrap() .is_ascii_alphabetic()); assert!("abcdefgTUVWXYZ" .parse::() .unwrap() .is_ascii_alphanumeric()); } #[test] fn tiny16_numeric() { let s: TinyStr16 = "@abcdefgTUVWXYZ[".parse().unwrap(); assert!(!s.is_ascii_numeric()); assert!("0123456789" .parse::() .unwrap() .is_ascii_numeric()); } #[test] fn tiny16_titlecase() { assert_eq!( "abcdabcdabcdabcd" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "Abcdabcdabcdabcd" ); assert_eq!( "ABCDABCDABCDABCD" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "Abcdabcdabcdabcd" ); assert_eq!( "aBCDaBCDaBCDaBCD" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "Abcdabcdabcdabcd" ); assert_eq!( "A123a123A123a123" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "A123a123a123a123" ); assert_eq!( "123a123A123a123A" .parse::() .unwrap() .to_ascii_titlecase() .as_str(), "123a123a123a123a" ); } #[test] fn tiny16_ord() { let mut v: Vec = vec!["nedis_xxxx".parse().unwrap(), "macos_xxxx".parse().unwrap()]; v.sort(); assert_eq!(v.get(0).unwrap().as_str(), "macos_xxxx"); assert_eq!(v.get(1).unwrap().as_str(), "nedis_xxxx"); } #[test] fn tiny16_eq() { let s1: TinyStr16 = "windows98SE".parse().unwrap(); let s2: TinyStr16 = "mac".parse().unwrap(); let s3: TinyStr16 = "windows98SE".parse().unwrap(); assert_eq!(s1, s3); assert_ne!(s1, s2); } #[test] fn tiny16_display() { let s: TinyStr16 = "abcdefghijkl".parse().unwrap(); let mut result = String::new(); write!(result, "{}", s).unwrap(); assert_eq!(result, "abcdefghijkl"); assert_eq!(format!("{}", s), "abcdefghijkl"); } #[test] fn tiny16_debug() { let s: TinyStr16 = "abcdefghijkl".parse().unwrap(); assert_eq!(format!("{:#?}", s), "\"abcdefghijkl\""); } tinystr-0.3.2/.cargo_vcs_info.json0000644000000001120000000000000126030ustar00{ "git": { "sha1": "69f4372329b09314ff2a94b5affe6a4271d727ec" } } tinystr-0.3.2/Cargo.lock0000644000000544200000000000000105710ustar00# This file is automatically @generated by Cargo. # It is not intended for manual editing. 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