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Diffstat (limited to 'third_party/rust/fluent-pseudo')
| -rw-r--r-- | third_party/rust/fluent-pseudo/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | third_party/rust/fluent-pseudo/Cargo.toml | 27 | ||||
| -rw-r--r-- | third_party/rust/fluent-pseudo/LICENSE-APACHE | 201 | ||||
| -rw-r--r-- | third_party/rust/fluent-pseudo/LICENSE-MIT | 19 | ||||
| -rw-r--r-- | third_party/rust/fluent-pseudo/README.md | 48 | ||||
| -rw-r--r-- | third_party/rust/fluent-pseudo/src/lib.rs | 135 |
6 files changed, 431 insertions, 0 deletions
diff --git a/third_party/rust/fluent-pseudo/.cargo-checksum.json b/third_party/rust/fluent-pseudo/.cargo-checksum.json new file mode 100644 index 0000000000..58022a7611 --- /dev/null +++ b/third_party/rust/fluent-pseudo/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"Cargo.toml":"3490fcbcbf99a8488b8cf276fe21f248e32084cf607afd418b5d99c6f558fb24","LICENSE-APACHE":"5db2b182453ff32ed40f7da63589c9667a3f8bd8b16b1471b152caae56f77e45","LICENSE-MIT":"49c0b000c03731d9e3970dc059ad4ca345d773681f4a612b0024435b663e0220","README.md":"f1b5a3664d893f6779fe7573cc34e8ab38e4ef9f2d4e19019d7aa46b3e4d91b5","src/lib.rs":"6ae0a9b042f5627d69f91d21dbd8845bf11cc66528065a7ba93fc982cf8bfa17"},"package":"fded62f95114baa010b4fcd54aedc7b0762059cf6dfb0097f5b5c95fb56ed42f"}
\ No newline at end of file diff --git a/third_party/rust/fluent-pseudo/Cargo.toml b/third_party/rust/fluent-pseudo/Cargo.toml new file mode 100644 index 0000000000..5abfc069a1 --- /dev/null +++ b/third_party/rust/fluent-pseudo/Cargo.toml @@ -0,0 +1,27 @@ +# 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 = "fluent-pseudo" +version = "0.3.1" +authors = ["Zibi Braniecki <gandalf@mozilla.com>", "Staś Małolepszy <stas@mozilla.com>"] +include = ["src/**/*", "benches/*.rs", "Cargo.toml", "README.md", "LICENSE-APACHE", "LICENSE-MIT"] +description = "Pseudolocalization transformation API for use with Project Fluent API.\n" +homepage = "http://www.projectfluent.org" +readme = "README.md" +keywords = ["localization", "l10n", "i18n", "intl", "internationalization"] +categories = ["localization", "internationalization"] +license = "Apache-2.0/MIT" +repository = "https://github.com/projectfluent/fluent-rs" +[dependencies.regex] +version = "1" diff --git a/third_party/rust/fluent-pseudo/LICENSE-APACHE b/third_party/rust/fluent-pseudo/LICENSE-APACHE new file mode 100644 index 0000000000..35582f166b --- /dev/null +++ b/third_party/rust/fluent-pseudo/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/third_party/rust/fluent-pseudo/README.md b/third_party/rust/fluent-pseudo/README.md new file mode 100644 index 0000000000..152ed4df53 --- /dev/null +++ b/third_party/rust/fluent-pseudo/README.md @@ -0,0 +1,48 @@ +# Fluent + +`fluent-pseudo` is a Rust implementation of the pseudolocalization API for [Project Fluent](https://projectfluent.org/), a localization +framework designed to unleash the entire expressive power of natural language +translations. + +[](https://crates.io/crates/fluent-pseudo) +[](https://github.com/projectfluent/fluent-rs/actions?query=branch%3Amaster+workflow%3A%22Build+and+test%22) +[](https://coveralls.io/github/projectfluent/fluent-rs?branch=master) + +Usage +----- + +```rust +use fluent_bundle::{FluentBundle, FluentResource}; +use unic_langid::langid; +use fluent_pseudo::transform; + +fn transform_wrapper(s: &str) -> Cow<str> { + // Not flipped and elongated pseudolocalization. + transform(s, false, true, false) +} + + +fn main() { + let ftl_string = "hello-world = Hello, world!".to_owned(); + let res = FluentResource::try_new(ftl_string) + .expect("Could not parse an FTL string."); + + let langid_en = langid!("en"); + let mut bundle = FluentBundle::new(vec![langid_en]); + + // Set pseudolocalization + bundle.set_transform(Some(transform_wrapper)); + + bundle.add_resource(&res) + .expect("Failed to add FTL resources to the bundle."); + + let msg = bundle.get_message("hello-world") + .expect("Failed to retrieve a message."); + let val = msg.value.expect("Message has no value."); + + let mut errors = vec![]; + let value = bundle.format_pattern(val, None, &mut errors); + + assert_eq!(&value, "Ħḗḗŀŀǿǿ Ẇǿǿřŀḓ!"); +} +``` diff --git a/third_party/rust/fluent-pseudo/src/lib.rs b/third_party/rust/fluent-pseudo/src/lib.rs new file mode 100644 index 0000000000..607b91eaef --- /dev/null +++ b/third_party/rust/fluent-pseudo/src/lib.rs @@ -0,0 +1,135 @@ +use regex::Captures; +use regex::Regex; +use std::borrow::Cow; + +static TRANSFORM_SMALL_MAP: &[char] = &[ + 'a', 'ƀ', 'ƈ', 'ḓ', 'e', 'ƒ', 'ɠ', 'ħ', 'i', 'ĵ', 'ķ', 'ŀ', 'ḿ', 'ƞ', 'o', 'ƥ', 'ɋ', 'ř', 'ş', + 'ŧ', 'u', 'ṽ', 'ẇ', 'ẋ', 'ẏ', 'ẑ', +]; +static TRANSFORM_CAPS_MAP: &[char] = &[ + 'A', 'Ɓ', 'Ƈ', 'Ḓ', 'E', 'Ƒ', 'Ɠ', 'Ħ', 'I', 'Ĵ', 'Ķ', 'Ŀ', 'Ḿ', 'Ƞ', 'O', 'Ƥ', 'Ɋ', 'Ř', 'Ş', + 'Ŧ', 'U', 'Ṽ', 'Ẇ', 'Ẋ', 'Ẏ', 'Ẑ', +]; + +static FLIPPED_SMALL_MAP: &[char] = &[ + 'ɐ', 'q', 'ɔ', 'p', 'ǝ', 'ɟ', 'ƃ', 'ɥ', 'ı', 'ɾ', 'ʞ', 'ʅ', 'ɯ', 'u', 'o', 'd', 'b', 'ɹ', 's', + 'ʇ', 'n', 'ʌ', 'ʍ', 'x', 'ʎ', 'z', +]; +static FLIPPED_CAPS_MAP: &[char] = &[ + '∀', 'Ԑ', 'Ↄ', 'ᗡ', 'Ǝ', 'Ⅎ', '⅁', 'H', 'I', 'ſ', 'Ӽ', '⅂', 'W', 'N', 'O', 'Ԁ', 'Ò', 'ᴚ', 'S', + '⊥', '∩', 'Ʌ', 'M', 'X', '⅄', 'Z', +]; + +static mut RE_EXCLUDED: Option<Regex> = None; +static mut RE_AZ: Option<Regex> = None; + +pub fn transform_dom(s: &str, flipped: bool, elongate: bool, with_markers: bool) -> Cow<str> { + // Exclude access-keys and other single-char messages + if s.len() == 1 { + return s.into(); + } + + // XML entities (‪) and XML tags. + let re_excluded = + unsafe { RE_EXCLUDED.get_or_insert_with(|| Regex::new(r"&[#\w]+;|<\s*.+?\s*>").unwrap()) }; + + let mut result = Cow::from(s); + + let mut pos = 0; + let mut diff = 0; + + for cap in re_excluded.captures_iter(s) { + let capture = cap.get(0).unwrap(); + + let sub_len = capture.start() - pos; + let range = pos..capture.start(); + let result_range = pos + diff..capture.start() + diff; + let sub = &s[range.clone()]; + let transform_sub = transform(&sub, false, true); + diff += transform_sub.len() - sub_len; + result + .to_mut() + .replace_range(result_range.clone(), &transform_sub); + pos = capture.end(); + } + let range = pos..s.len(); + let result_range = pos + diff..result.len(); + let transform_sub = transform(&s[range], flipped, elongate); + result.to_mut().replace_range(result_range, &transform_sub); + + if with_markers { + return Cow::from("[") + result + "]" + } + + result +} + +pub fn transform(s: &str, flipped: bool, elongate: bool) -> Cow<str> { + let re_az = unsafe { RE_AZ.get_or_insert_with(|| Regex::new(r"[a-zA-Z]").unwrap()) }; + + let (small_map, caps_map) = if flipped { + (FLIPPED_SMALL_MAP, FLIPPED_CAPS_MAP) + } else { + (TRANSFORM_SMALL_MAP, TRANSFORM_CAPS_MAP) + }; + + re_az.replace_all(s, |caps: &Captures| { + let ch = caps[0].chars().next().unwrap(); + let cc = ch as u8; + if (97..=122).contains(&cc) { + let pos = cc - 97; + let new_char = small_map[pos as usize]; + // duplicate "a", "e", "o" and "u" to emulate ~30% longer text + if elongate && (cc == 97 || cc == 101 || cc == 111 || cc == 117) { + let mut s = new_char.to_string(); + s.push(new_char); + s + } else { + new_char.to_string() + } + } else if (65..=90).contains(&cc) { + let pos = cc - 65; + let new_char = caps_map[pos as usize]; + new_char.to_string() + } else { + ch.to_string() + } + }) +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn it_works() { + let x = transform("Hello World", false, true); + assert_eq!(x, "Ħeeŀŀoo Ẇoořŀḓ"); + + let x = transform("Hello World", false, false); + assert_eq!(x, "Ħeŀŀo Ẇořŀḓ"); + + let x = transform("Hello World", true, false); + assert_eq!(x, "Hǝʅʅo Moɹʅp"); + + let x = transform("f", false, true); + assert_eq!(x, "ƒ"); + } + + #[test] + fn dom_test() { + let x = transform_dom("Hello <a>World</a>", false, true, false); + assert_eq!(x, "Ħeeŀŀoo <a>Ẇoořŀḓ</a>"); + + let x = transform_dom("Hello <a>World</a> in <b>my</b> House.", false, true, false); + assert_eq!(x, "Ħeeŀŀoo <a>Ẇoořŀḓ</a> iƞ <b>ḿẏ</b> Ħoouuşee."); + + // Use markers. + let x = transform_dom("Hello World within markers", false, false, true); + assert_eq!(x, "[Ħeŀŀo Ẇořŀḓ ẇiŧħiƞ ḿařķeřş]"); + + // Don't touch single character values. + let x = transform_dom("f", false, true, false); + assert_eq!(x, "f"); + } +} |