Add alias search fallback to character() (#12)

* Add NameAliases.txt from 14.0.0

https://www.unicode.org/Public/14.0.0/ucd/NameAliases.txt

* NameAliases database

* Add alias search fallback for character()

Co-Authored-By: Dimitris Fasarakis Hilliard <d.f.hilliard@gmail.com>

* Remove generated code from src/ directory

---------

Co-authored-by: The Unicode Consortium <>
Co-authored-by: Dimitris Fasarakis Hilliard <d.f.hilliard@gmail.com>
Co-authored-by: Valentin Lorentz <progval+git@progval.net>

Cargo.toml

@@ -38,6 +38,9 @@ no_std = []
 path = "unicode_names2_macros"
 version = ">=0.3, <2.0"
 
+[dependencies]
+phf = { version = "0.11.1", default-features = false }
+
 [dev-dependencies]
 rand = "0.8.5"
 rand_xorshift = "0.3.0"

build.rs

@@ -2,6 +2,12 @@ use std::{env, path::PathBuf};
 use unicode_names2_generator as generator;
 
 const UNICODE_DATA: &str = include_str!("data/UnicodeData.txt");
+/// Unicode aliases
+///
+/// [NamesList.txt] contents contains a map of unicode aliases to their corresponding values.
+///
+/// [NamesList.txt]: https://www.unicode.org/Public/14.0.0/ucd/NameAliases.txt
+const NAME_ALIASES: &str = include_str!("data/NameAliases.txt");
 
 fn main() {
     println!("cargo:rerun-if-changed=build.rs");
@@ -14,8 +20,13 @@ fn main() {
         generator::generate(UNICODE_DATA, Some(&generated_path), None);
     }
     {
-        let mut generated_phf_path = out_dir;
+        let mut generated_phf_path = out_dir.clone();
         generated_phf_path.push("generated_phf.rs");
         generator::generate_phf(UNICODE_DATA, Some(&generated_phf_path), None, 3, 2);
     }
+    {
+        let mut generated_alias_path = out_dir;
+        generated_alias_path.push("generated_alias.rs");
+        generator::generate_aliases(NAME_ALIASES, &generated_alias_path);
+    }
 }