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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
| commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
| tree | 173a775858bd501c378080a10dca74132f05bc50 /vendor/tinystr | |
| parent | Initial commit. (diff) | |
| download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip | |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/tinystr')
| -rw-r--r-- | vendor/tinystr/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | vendor/tinystr/CHANGELOG.md | 35 | ||||
| -rw-r--r-- | vendor/tinystr/Cargo.lock | 625 | ||||
| -rw-r--r-- | vendor/tinystr/Cargo.toml | 42 | ||||
| -rw-r--r-- | vendor/tinystr/LICENSE-APACHE | 201 | ||||
| -rw-r--r-- | vendor/tinystr/LICENSE-MIT | 23 | ||||
| -rw-r--r-- | vendor/tinystr/README.md | 95 | ||||
| -rw-r--r-- | vendor/tinystr/benches/construct.rs | 154 | ||||
| -rw-r--r-- | vendor/tinystr/benches/tinystr.rs | 176 | ||||
| -rw-r--r-- | vendor/tinystr/examples/main.rs | 18 | ||||
| -rw-r--r-- | vendor/tinystr/src/helpers.rs | 32 | ||||
| -rw-r--r-- | vendor/tinystr/src/lib.rs | 105 | ||||
| -rw-r--r-- | vendor/tinystr/src/tinystr16.rs | 327 | ||||
| -rw-r--r-- | vendor/tinystr/src/tinystr4.rs | 299 | ||||
| -rw-r--r-- | vendor/tinystr/src/tinystr8.rs | 319 | ||||
| -rw-r--r-- | vendor/tinystr/src/tinystrauto.rs | 72 | ||||
| -rw-r--r-- | vendor/tinystr/tests/main.rs | 538 |
17 files changed, 3062 insertions, 0 deletions
diff --git a/vendor/tinystr/.cargo-checksum.json b/vendor/tinystr/.cargo-checksum.json new file mode 100644 index 000000000..b2cb895be --- /dev/null +++ b/vendor/tinystr/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"CHANGELOG.md":"cb378d2a5c7efd2259cdb7513e1a6bc8bc05b2c5f89b69b69f1f16037495760b","Cargo.lock":"c772766a0c3008c0e528d1ef08c5d8b0e8752a308cb5a782855f691c4b3c223f","Cargo.toml":"af00927b1bd3451ef45685cb34c466566df816aa41f31555c9492c74af597c2c","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"23f18e03dc49df91622fe2a76176497404e46ced8a715d9d2b67a7446571cca3","README.md":"7eaffe990ac4432ab388dcda2703f5594e9b1c7a6f753882906b0b8df9876bb4","benches/construct.rs":"9c8652afb0770f60238952b06abb4b90c6cec41d50fd19b760e573eb8dff8e4f","benches/tinystr.rs":"dc61b52ca7be3312a8c504786ad60e5e2c4c729e111c2033716c9996c5e87bc8","examples/main.rs":"463f7c0db47a3843097b012315fc8b0d68baa4afca0a0fe06210ed3c8c471453","src/helpers.rs":"d7768b34dacbb586ade41249147bce1c90d1c08dbfd7c7de6792c88ea45200e1","src/lib.rs":"17740bacc4b05e433f58ddd06d86287097f83024849166e95e8ddb16e491873f","src/tinystr16.rs":"b40595634190ee298bbdcb60b3699b11a25ef2861bccdb567821815ff21fbac3","src/tinystr4.rs":"1787c52e9ec9711b0a115f4c32bee952fb410ce569db4a89fef4c5282bb4f04f","src/tinystr8.rs":"2baf0330c3a20e2e01ff791aa932450d2727d53eb8ed80d76a685bdd824700b6","src/tinystrauto.rs":"55b9333cd8a69e8ea79db72801c4f2b946c5b61108e1ddfb2bf2e06384c41f4a","tests/main.rs":"83b1892f2c5437f99be3ce6d5e98a8df42a5c293447437cc567dcc133a2768d7"},"package":"29738eedb4388d9ea620eeab9384884fc3f06f586a2eddb56bedc5885126c7c1"}
\ No newline at end of file diff --git a/vendor/tinystr/CHANGELOG.md b/vendor/tinystr/CHANGELOG.md new file mode 100644 index 000000000..257012a4a --- /dev/null +++ b/vendor/tinystr/CHANGELOG.md @@ -0,0 +1,35 @@ +# Changelog + +## Unreleased + + - … + +## tinystr 0.3.4 (August 21, 2020) + + - Add `macros` feature which exposes `tinystr::macros`. + +## tinystr 0.3.3 (July 26, 2020) + + - Add `TinyStrAuto`. + - Add `no_std` feature. + +## 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* diff --git a/vendor/tinystr/Cargo.lock b/vendor/tinystr/Cargo.lock new file mode 100644 index 000000000..ca4e5151b --- /dev/null +++ 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000000000..53f9fc1f7 --- /dev/null +++ b/vendor/tinystr/Cargo.toml @@ -0,0 +1,42 @@ +# 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 = "0.3.4" +authors = ["Raph Levien <raph.levien@gmail.com>", "Zibi Braniecki <zibi@braniecki.net>"] +description = "A small ASCII-only bounded length string representation.\n" +readme = "README.md" +keywords = ["string", "str", "small", "tiny", "no_std"] +categories = ["data-structures"] +license = "Apache-2.0/MIT" +repository = "https://github.com/zbraniecki/tinystr" + +[[bench]] +name = "construct" +harness = false + +[[bench]] +name = "tinystr" +harness = false +[dependencies.tinystr-macros] +version = "0.1" +optional = true +[dev-dependencies.criterion] +version = "0.3" + +[features] +alloc = [] +default = ["std"] +macros = ["tinystr-macros"] +std = [] diff --git a/vendor/tinystr/LICENSE-APACHE b/vendor/tinystr/LICENSE-APACHE new file mode 100644 index 000000000..16fe87b06 --- /dev/null +++ b/vendor/tinystr/LICENSE-APACHE @@ -0,0 +1,201 @@ + 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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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. diff --git a/vendor/tinystr/README.md b/vendor/tinystr/README.md new file mode 100644 index 000000000..15a8338be --- /dev/null +++ b/vendor/tinystr/README.md @@ -0,0 +1,95 @@ +# tinystr [](https://crates.io/crates/tinystr) [](https://travis-ci.org/zbraniecki/tinystr) [](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, TinyStrAuto}; + +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); + + let s4: TinyStrAuto = "shortNoAlloc".parse().unwrap(); + assert!(matches!(s4, TinyStrAuto::Tiny { .. })); + assert_eq!(s4, "shortNoAlloc"); + + let s5: TinyStrAuto = "longFallbackToHeap".parse().unwrap(); + assert!(matches!(s4, TinyStrAuto::Heap { .. })); + assert_eq!(s4, "shortNoAlloc"); +} +``` + +Details +------- + +The crate provides three structs and an enum: + * `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. + * `TinyStrAuto` (enum): + * `Tiny` when the string is 16 characters or less. + * `Heap` when the string is 17 or more characters. + +The structs stores the characters 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 + +`TinyStrAuto` stores the string as a TinyStr16 when it is short enough, or else falls back to a standard `String`. You should use TinyStrAuto when you expect most strings to be 16 characters or smaller, but occasionally you receive one that exceeds that length. Unlike the structs, `TinyStrAuto` does not implement `Copy`. + +This set is sufficient for certain classes of uses such as `unic-langid` libraries. + +no_std +------ + +Disable the `std` feature of this crate to make it `#[no_std]`. Doing so disables `TinyStrAuto`. You +can re-enable `TinyStrAuto` in `#[no_std]` mode by enabling the `alloc` feature. + +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 + +<sup> +Licensed under either of <a href="LICENSE-APACHE">Apache License, Version +2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option. +</sup diff --git a/vendor/tinystr/benches/construct.rs b/vendor/tinystr/benches/construct.rs new file mode 100644 index 000000000..a93fce8f6 --- /dev/null +++ b/vendor/tinystr/benches/construct.rs @@ -0,0 +1,154 @@ +use 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, TinyStrAuto}; + +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)), + Fun::new("TinyStrAuto", $action!(TinyStrAuto)), + ]; + + $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)), + Fun::new("TinyStrAuto", $action!(TinyStrAuto)), + ]; + + $c.bench_functions(&format!("{}/8", $name), funcs, STRINGS_8); + + let funcs = vec![ + Fun::new("String", $action!(String)), + Fun::new("TinyStr16", $action!(TinyStr16)), + Fun::new("TinyStrAuto", $action!(TinyStrAuto)), + ]; + + $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); diff --git a/vendor/tinystr/benches/tinystr.rs b/vendor/tinystr/benches/tinystr.rs new file mode 100644 index 000000000..83b26a30a --- /dev/null +++ b/vendor/tinystr/benches/tinystr.rs @@ -0,0 +1,176 @@ +use 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); diff --git a/vendor/tinystr/examples/main.rs b/vendor/tinystr/examples/main.rs new file mode 100644 index 000000000..2e0d2a10b --- /dev/null +++ b/vendor/tinystr/examples/main.rs @@ -0,0 +1,18 @@ +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); +} diff --git a/vendor/tinystr/src/helpers.rs b/vendor/tinystr/src/helpers.rs new file mode 100644 index 000000000..c3d17d028 --- /dev/null +++ b/vendor/tinystr/src/helpers.rs @@ -0,0 +1,32 @@ +use std::num::NonZeroU32; +use std::ptr::copy_nonoverlapping; + +use super::Error; + +#[cfg(any(feature = "std", test))] +pub use std::string::String; + +#[cfg(all(not(feature = "std"), not(test)))] +extern crate alloc; + +#[cfg(all(not(feature = "std"), not(test)))] +pub use alloc::string::String; + +#[inline(always)] +pub(crate) unsafe fn make_4byte_bytes( + bytes: &[u8], + len: usize, + mask: u32, +) -> Result<NonZeroU32, Error> { + // 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)) +} diff --git a/vendor/tinystr/src/lib.rs b/vendor/tinystr/src/lib.rs new file mode 100644 index 000000000..6f4c59658 --- /dev/null +++ b/vendor/tinystr/src/lib.rs @@ -0,0 +1,105 @@ +//! `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. +//! +//! # Details +//! +//! The crate provides three structs and an enum: +//! * `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. +//! * `TinyStrAuto` (enum): +//! * `Tiny` when the string is 16 characters or less. +//! * `Heap` when the string is 17 or more characters. +//! +//! `TinyStrAuto` stores the string as a TinyStr16 when it is short enough, or else falls back to a +//! standard `String`. You should use TinyStrAuto when you expect most strings to be 16 characters +//! or smaller, but occasionally you receive one that exceeds that length. Unlike the structs, +//! `TinyStrAuto` does not implement `Copy`. +//! +//! # no_std +//! +//! Disable the `std` feature of this crate to make it `#[no_std]`. Doing so disables `TinyStrAuto`. +//! You can re-enable `TinyStrAuto` in `#[no_std]` mode by enabling the `alloc` feature. +//! +//! # Example +//! +//! ``` +//! use tinystr::{TinyStr4, TinyStr8, TinyStr16, TinyStrAuto}; +//! +//! 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); +//! +//! let s4: TinyStrAuto = "shortNoAlloc".parse().unwrap(); +//! assert!(matches!(s4, TinyStrAuto::Tiny { .. })); +//! assert_eq!(s4, "shortNoAlloc"); +//! +//! let s5: TinyStrAuto = "longFallbackToHeap".parse().unwrap(); +//! assert!(matches!(s5, TinyStrAuto::Heap { .. })); +//! assert_eq!(s5, "longFallbackToHeap"); +//! ``` + +#![no_std] + +#[cfg(any(feature = "std", test))] +extern crate std; + +#[cfg(all(not(feature = "std"), not(test)))] +extern crate core as std; + +mod helpers; +mod tinystr16; +mod tinystr4; +mod tinystr8; + +#[cfg(any(feature = "std", feature = "alloc"))] +mod tinystrauto; + +pub use tinystr16::TinyStr16; +pub use tinystr4::TinyStr4; +pub use tinystr8::TinyStr8; + +#[cfg(any(feature = "std", feature = "alloc"))] +pub use tinystrauto::TinyStrAuto; + +#[cfg(feature = "macros")] +pub use tinystr_macros as macros; + +/// 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, +} diff --git a/vendor/tinystr/src/tinystr16.rs b/vendor/tinystr/src/tinystr16.rs new file mode 100644 index 000000000..7403813f2 --- /dev/null +++ b/vendor/tinystr/src/tinystr16.rs @@ -0,0 +1,327 @@ +use 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<Self, Error> { + 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"); + /// ``` + /// + /// # Safety + /// + /// The method does not validate the `u128` to be properly encoded + /// value for `TinyStr16`. + /// The value can be retrieved via `Into<u128> for TinyStr16`. + #[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<Ordering> { + 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, Self::Err> { + Self::from_bytes(text.as_bytes()) + } +} + +impl Into<u128> for TinyStr16 { + fn into(self) -> u128 { + self.0.get().to_le() + } +} diff --git a/vendor/tinystr/src/tinystr4.rs b/vendor/tinystr/src/tinystr4.rs new file mode 100644 index 000000000..c63d25113 --- /dev/null +++ b/vendor/tinystr/src/tinystr4.rs @@ -0,0 +1,299 @@ +use 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<Self, Error> { + 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"); + /// ``` + /// + /// # Safety + /// + /// The method does not validate the `u32` to be properly encoded + /// value for `TinyStr4`. + /// The value can be retrieved via `Into<u32> for TinyStr4`. + #[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<Ordering> { + 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, Self::Err> { + Self::from_bytes(text.as_bytes()) + } +} + +impl Into<u32> for TinyStr4 { + fn into(self) -> u32 { + self.0.get().to_le() + } +} diff --git a/vendor/tinystr/src/tinystr8.rs b/vendor/tinystr/src/tinystr8.rs new file mode 100644 index 000000000..e121c519a --- /dev/null +++ b/vendor/tinystr/src/tinystr8.rs @@ -0,0 +1,319 @@ +use 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<Self, Error> { + 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"); + /// ``` + /// + /// # Safety + /// + /// The method does not validate the `u64` to be properly encoded + /// value for `TinyStr8`. + /// The value can be retrieved via `Into<u64> for TinyStr8`. + #[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<Ordering> { + 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<Self, Self::Err> { + TinyStr8::from_bytes(text.as_bytes()) + } +} + +impl Into<u64> for TinyStr8 { + fn into(self) -> u64 { + self.0.get().to_le() + } +} diff --git a/vendor/tinystr/src/tinystrauto.rs b/vendor/tinystr/src/tinystrauto.rs new file mode 100644 index 000000000..9e2387cc1 --- /dev/null +++ b/vendor/tinystr/src/tinystrauto.rs @@ -0,0 +1,72 @@ +use std::fmt; +use std::ops::Deref; +use std::str::FromStr; + +use crate::helpers::String; +use crate::Error; +use crate::TinyStr16; + +/// An ASCII string that is tiny when <= 16 chars and a String otherwise. +/// +/// # Examples +/// +/// ``` +/// use tinystr::TinyStrAuto; +/// +/// let s1: TinyStrAuto = "Testing".parse() +/// .expect("Failed to parse."); +/// +/// assert_eq!(s1, "Testing"); +/// ``` +#[derive(Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Debug)] +pub enum TinyStrAuto { + /// Up to 16 characters stored on the stack. + Tiny(TinyStr16), + /// 17 or more characters stored on the heap. + Heap(String), +} + +impl fmt::Display for TinyStrAuto { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + self.deref().fmt(f) + } +} + +impl Deref for TinyStrAuto { + type Target = str; + + fn deref(&self) -> &str { + use TinyStrAuto::*; + match self { + Tiny(value) => value.deref(), + Heap(value) => value.deref(), + } + } +} + +impl PartialEq<&str> for TinyStrAuto { + fn eq(&self, other: &&str) -> bool { + self.deref() == *other + } +} + +impl FromStr for TinyStrAuto { + type Err = Error; + + fn from_str(text: &str) -> Result<Self, Self::Err> { + if text.len() <= 16 { + match TinyStr16::from_str(text) { + Ok(result) => Ok(TinyStrAuto::Tiny(result)), + Err(err) => Err(err), + } + } else { + if !text.is_ascii() { + return Err(Error::NonAscii); + } + match String::from_str(text) { + Ok(result) => Ok(TinyStrAuto::Heap(result)), + Err(_) => unreachable!(), + } + } + } +} diff --git a/vendor/tinystr/tests/main.rs b/vendor/tinystr/tests/main.rs new file mode 100644 index 000000000..a9cf7be1a --- /dev/null +++ b/vendor/tinystr/tests/main.rs @@ -0,0 +1,538 @@ +use std::fmt::Write; +use std::mem::size_of; +use std::ops::Deref; +use tinystr::{Error, TinyStr16, TinyStr4, TinyStr8}; + +#[cfg(any(feature = "std", feature = "alloc"))] +use tinystr::TinyStrAuto; + +#[test] +fn tiny_sizes() { + assert_eq!(4, size_of::<TinyStr4>()); + assert_eq!(8, size_of::<TinyStr8>()); + assert_eq!(16, size_of::<TinyStr16>()); + assert_eq!(24, size_of::<String>()); + // Note: TinyStrAuto is size 32 even when a smaller TinyStr type is used + #[cfg(any(feature = "std", feature = "alloc"))] + assert_eq!(32, size_of::<TinyStrAuto>()); +} + +#[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::<TinyStr4>(), Err(Error::InvalidSize)); + assert!("1".parse::<TinyStr4>().is_ok()); + assert!("12".parse::<TinyStr4>().is_ok()); + assert!("123".parse::<TinyStr4>().is_ok()); + assert!("1234".parse::<TinyStr4>().is_ok()); + assert_eq!("12345".parse::<TinyStr4>(), Err(Error::InvalidSize)); + assert_eq!("123456789".parse::<TinyStr4>(), Err(Error::InvalidSize)); +} + +#[test] +fn tiny4_null() { + assert_eq!("a\u{0}b".parse::<TinyStr4>(), 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::<TinyStr4>(), 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::<TinyStr4>().unwrap().is_ascii_alphabetic()); + assert!("abYZ".parse::<TinyStr4>().unwrap().is_ascii_alphanumeric()); + assert!("a123".parse::<TinyStr4>().unwrap().is_ascii_alphanumeric()); + assert!(!"a123".parse::<TinyStr4>().unwrap().is_ascii_alphabetic()); +} + +#[test] +fn tiny4_numeric() { + let s: TinyStr4 = "@aZ[".parse().unwrap(); + assert!(!s.is_ascii_numeric()); + + assert!("0123".parse::<TinyStr4>().unwrap().is_ascii_numeric()); +} + +#[test] +fn tiny4_titlecase() { + assert_eq!( + "abcd" + .parse::<TinyStr4>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "Abcd" + ); + assert_eq!( + "ABCD" + .parse::<TinyStr4>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "Abcd" + ); + assert_eq!( + "aBCD" + .parse::<TinyStr4>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "Abcd" + ); + assert_eq!( + "A123" + .parse::<TinyStr4>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "A123" + ); + assert_eq!( + "123a" + .parse::<TinyStr4>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "123a" + ); +} + +#[test] +fn tiny4_ord() { + let mut v: Vec<TinyStr4> = 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::<TinyStr8>(), Err(Error::InvalidSize)); + assert!("1".parse::<TinyStr8>().is_ok()); + assert!("12".parse::<TinyStr8>().is_ok()); + assert!("123".parse::<TinyStr8>().is_ok()); + assert!("1234".parse::<TinyStr8>().is_ok()); + assert!("12345".parse::<TinyStr8>().is_ok()); + assert!("123456".parse::<TinyStr8>().is_ok()); + assert!("1234567".parse::<TinyStr8>().is_ok()); + assert!("12345678".parse::<TinyStr8>().is_ok()); + assert_eq!("123456789".parse::<TinyStr8>(), Err(Error::InvalidSize)); +} + +#[test] +fn tiny8_null() { + assert_eq!("a\u{0}b".parse::<TinyStr8>(), 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::<TinyStr8>(), 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::<TinyStr8>().unwrap().is_ascii_alphabetic()); + assert!("abcXYZ" + .parse::<TinyStr8>() + .unwrap() + .is_ascii_alphanumeric()); + assert!(!"abc123".parse::<TinyStr8>().unwrap().is_ascii_alphabetic()); + assert!("abc123" + .parse::<TinyStr8>() + .unwrap() + .is_ascii_alphanumeric()); +} + +#[test] +fn tiny8_numeric() { + let s: TinyStr8 = "@abcXYZ[".parse().unwrap(); + assert!(!s.is_ascii_numeric()); + + assert!("01234567".parse::<TinyStr8>().unwrap().is_ascii_numeric()); +} + +#[test] +fn tiny8_titlecase() { + assert_eq!( + "abcdabcd" + .parse::<TinyStr8>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "Abcdabcd" + ); + assert_eq!( + "ABCDABCD" + .parse::<TinyStr8>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "Abcdabcd" + ); + assert_eq!( + "aBCDaBCD" + .parse::<TinyStr8>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "Abcdabcd" + ); + assert_eq!( + "A123a123" + .parse::<TinyStr8>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "A123a123" + ); + assert_eq!( + "123a123A" + .parse::<TinyStr8>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "123a123a" + ); +} + +#[test] +fn tiny8_ord() { + let mut v: Vec<TinyStr8> = 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::<TinyStr16>(), Err(Error::InvalidSize)); + assert!("1".parse::<TinyStr16>().is_ok()); + assert!("12".parse::<TinyStr16>().is_ok()); + assert!("123".parse::<TinyStr16>().is_ok()); + assert!("1234".parse::<TinyStr16>().is_ok()); + assert!("12345".parse::<TinyStr16>().is_ok()); + assert!("123456".parse::<TinyStr16>().is_ok()); + assert!("1234567".parse::<TinyStr16>().is_ok()); + assert!("12345678".parse::<TinyStr16>().is_ok()); + assert!("123456781".parse::<TinyStr16>().is_ok()); + assert!("1234567812".parse::<TinyStr16>().is_ok()); + assert!("12345678123".parse::<TinyStr16>().is_ok()); + assert!("123456781234".parse::<TinyStr16>().is_ok()); + assert!("1234567812345".parse::<TinyStr16>().is_ok()); + assert!("12345678123456".parse::<TinyStr16>().is_ok()); + assert!("123456781234567".parse::<TinyStr16>().is_ok()); + assert!("1234567812345678".parse::<TinyStr16>().is_ok()); + assert_eq!( + "12345678123456789".parse::<TinyStr16>(), + Err(Error::InvalidSize) + ); +} + +#[test] +fn tiny16_null() { + assert_eq!("a\u{0}b".parse::<TinyStr16>(), 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::<TinyStr16>(), 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::<TinyStr16>() + .unwrap() + .is_ascii_alphabetic()); + assert!("abcdefgTUVWXYZ" + .parse::<TinyStr16>() + .unwrap() + .is_ascii_alphanumeric()); + assert!(!"abcdefg0123456" + .parse::<TinyStr16>() + .unwrap() + .is_ascii_alphabetic()); + assert!("abcdefgTUVWXYZ" + .parse::<TinyStr16>() + .unwrap() + .is_ascii_alphanumeric()); +} + +#[test] +fn tiny16_numeric() { + let s: TinyStr16 = "@abcdefgTUVWXYZ[".parse().unwrap(); + assert!(!s.is_ascii_numeric()); + + assert!("0123456789" + .parse::<TinyStr16>() + .unwrap() + .is_ascii_numeric()); +} + +#[test] +fn tiny16_titlecase() { + assert_eq!( + "abcdabcdabcdabcd" + .parse::<TinyStr16>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "Abcdabcdabcdabcd" + ); + assert_eq!( + "ABCDABCDABCDABCD" + .parse::<TinyStr16>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "Abcdabcdabcdabcd" + ); + assert_eq!( + "aBCDaBCDaBCDaBCD" + .parse::<TinyStr16>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "Abcdabcdabcdabcd" + ); + assert_eq!( + "A123a123A123a123" + .parse::<TinyStr16>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "A123a123a123a123" + ); + assert_eq!( + "123a123A123a123A" + .parse::<TinyStr16>() + .unwrap() + .to_ascii_titlecase() + .as_str(), + "123a123a123a123a" + ); +} + +#[test] +fn tiny16_ord() { + let mut v: Vec<TinyStr16> = 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\""); +} + +#[cfg(any(feature = "std", feature = "alloc"))] +#[test] +fn tinyauto_basic() { + let s1: TinyStrAuto = "abc".parse().unwrap(); + assert_eq!(s1, "abc"); + + let s2: TinyStrAuto = "veryveryveryveryverylong".parse().unwrap(); + assert_eq!(s2, "veryveryveryveryverylong"); +} + +#[cfg(any(feature = "std", feature = "alloc"))] +#[test] +fn tinyauto_nonascii() { + assert_eq!("\u{4000}".parse::<TinyStrAuto>(), Err(Error::NonAscii)); + assert_eq!( + "veryveryveryveryverylong\u{4000}".parse::<TinyStrAuto>(), + Err(Error::NonAscii) + ); +} + +#[cfg(feature = "macros")] +const TS: TinyStr8 = tinystr::macros::tinystr8!("test"); + +#[cfg(feature = "macros")] +#[test] +fn tinystr_macros() { + use tinystr::macros::*; + + let x: TinyStr8 = "test".parse().unwrap(); + assert_eq!(TS, x); + + let x: TinyStr4 = "foo".parse().unwrap(); + assert_eq!(tinystr4!("foo"), x); + + let x: TinyStr8 = "barbaz".parse().unwrap(); + assert_eq!(tinystr8!("barbaz"), x); + + let x: TinyStr16 = "metamorphosis".parse().unwrap(); + assert_eq!(tinystr16!("metamorphosis"), x); +} |