Embed detect-writing-script

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "vendor/detect-writing-scripts/source"]
+	path = vendor/detect-writing-script/source
+	url = https://github.com/bramstein/detect-writing-script.git

Cargo.toml

@@ -10,3 +10,6 @@ repository = "https://github.com/the-type-founders/unicode-writing-script"
 readme = "README.md"
 categories = ["text-processing"]
 keywords = ["writing-script", "unicode"]
+
+[build-dependencies]
+serde_json = { version = "1", default-features = false, features = ["std"] }

README.md

@@ -8,7 +8,7 @@ Your contribution is highly appreciated. Do not hesitate to open an issue or a
 pull request. Note that any contribution submitted for inclusion in the project
 will be licensed according to the terms given in [LICENSE.md](LICENSE.md).
 
-[build-img]: https://github.com/the-type-founders/unicode-writing-script-rs/workflows/build/badge.svg
+[build-img]: https://github.com/the-type-founders/unicode-writing-script-rs/actions/workflows/build.yml/badge.svg
 [build-url]: https://github.com/the-type-founders/unicode-writing-script-rs/actions/workflows/build.yml
 [documentation-img]: https://docs.rs/unicode-writing-script/badge.svg
 [documentation-url]: https://docs.rs/unicode-writing-script

build.rs

@@ -0,0 +1,25 @@
+use std::collections::BTreeMap;
+use std::fs::File;
+use std::io::Write;
+use std::path::Path;
+
+const DATA: &str = include_str!("vendor/detect-writing-script/data.json");
+
+macro_rules! ok(
+    ($result:expr) => ($result.unwrap());
+);
+
+fn main() {
+    let data: BTreeMap<String, Vec<[u32; 2]>> = ok!(serde_json::from_str(DATA));
+    let script_count = data.len();
+
+    let root = ok!(std::env::var("OUT_DIR"));
+    let path = Path::new(&root).join("data.rs");
+    let mut file = ok!(File::create(&path));
+    ok!(write!(
+        file,
+        r#"
+const SCRIPT_COUNT: usize = {script_count};
+        "#,
+    ));
+}

src/lib.rs

@@ -1 +1,21 @@
 //! Detection of writing scripts from Unicode codepoints.
+
+include!(concat!(env!("OUT_DIR"), "/data.rs"));
+
+/// A match.
+#[derive(Clone, Copy)]
+pub struct Match {
+    pub name: &'static str,
+    pub count: usize,
+    pub score: f64,
+}
+
+/// Detect writing scripts given ranges of Unicode codepoints.
+pub fn detect<T>(_codepoints: T, _threshold: f64) -> Vec<Match>
+where
+    T: IntoIterator<Item = [u32; 2]>,
+{
+    let _ = [0; SCRIPT_COUNT];
+
+    unimplemented!()
+}

vendor/detect-writing-script/Makefile

@@ -0,0 +1,5 @@
+data.json:
+	node \
+		--input-type=module \
+		--eval "import data from './source/data/scripts.js'; console.log(JSON.stringify(data, null, 2))" \
+		> $@