Various optimizations

.rubocop.yml

@@ -30,6 +30,10 @@ Style/NumericPredicate:
 Style/Documentation:
   Enabled: false
 
+Layout/LineLength:
+  Exclude:
+    - lib/uri/idna/data/uts46.rb
+
 Metrics:
   Enabled: false
 

CHANGELOG.md

@@ -7,21 +7,25 @@ and this project adheres to [Semantic Versioning].
 
 ## [Unreleased]
 
+### Changed
+
+- Various performance and memory optimizations. ([@skryukov])
+
 ## [0.2.0] - 2023-11-14
 
 ### Added
 
-- WHATWG IDNA functions
+- WHATWG IDNA functions. ([@skryukov])
 
 ### Changed
 
-- **BREAKING!** Names of options updated to match UTS46 flags
-- Unicode version updated to 15.1
-- UTS46 functions now support Revision 31
+- **BREAKING!** Names of options updated to match UTS46 flags. ([@skryukov])
+- Unicode version updated to 15.1. ([@skryukov])
+- UTS46 functions now support Revision 31. ([@skryukov])
 
 ### Fixed
 
-- IDNA2008 functions now support not only labels, but full domains 
+- IDNA2008 functions now support not only labels, but full domains. ([@skryukov])
 
 ## [0.1.0] - 2023-08-05
 

README.md

@@ -256,7 +256,7 @@ To specify Unicode version, use `VERSION` environment variable, e.g. `VERSION=15
 
 By default, used Unicode version is the one used by the Ruby version (`RbConfig::CONFIG["UNICODE_VERSION"]`).
 
-To set directory for generated files, use `DATA_DIR` environment variable, e.g. `DATA_DIR=lib/uri/idna/data bundle exec rake idna:generate`.
+To set directory for generated files, use `DEST_DIR` environment variable, e.g. `DEST_DIR=lib/uri/idna/data bundle exec rake idna:generate`.
 
 Unicode data cached in the `tmp` directory by default, to change it, use `CACHE_DIR` environment variable, e.g. `CACHE_DIR=~/.cache/unicode_data bundle exec rake idna:generate`.
 

lib/uri/idna/base_processing.rb

@@ -60,6 +60,12 @@ def split_domain(domain)
 
         [labels, trailing_dot]
       end
+
+      def check_bidi?
+        return @check_bidi if instance_variable_defined?(:@check_bidi)
+
+        @check_bidi = options.check_bidi? && Validation::Bidi.check?(domain_name)
+      end
     end
   end
 end