[WIP] remove active_support, setup rust

.gitignore

@@ -1,3 +1,8 @@
+# Rust
+Cargo.lock
+/lib/case_transform/native.bundle
+/target/
+
 *.gem
 *.rbc
 /.config

Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "case_transform"
+version = "0.1.0"
+authors = ["L. Preston Sego III <LPSego3+dev@gmail.com>"]
+
+[lib]
+crate-type = ["staticlib"]
+
+[dependencies]
+Inflector = "0.3.1"
+libc = "*"
+helix = { git = "https://github.com/rustbridge/helix" }
+
+# [dependencies.libcruby-sys]
+# path = "./crates/libcruby-sys"
+#
+# [dependencies.helix]
+# path = "./"
+
+[profile.release]
+lto = true

Gemfile

@@ -3,3 +3,5 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in authorizable.gemspec
 gemspec
+
+gem 'helix_runtime', github: 'rustbridge/helix', require: 'helix_runtime/ruby'

Gemfile.lock

@@ -1,26 +1,25 @@
+GIT
+  remote: git://github.com/rustbridge/helix.git
+  revision: 2c057f04bf130f2a25ef8ac006290c0f81abe350
+  specs:
+    helix_runtime (0.5.0)
+
 PATH
   remote: .
   specs:
     case_transform (0.1)
-      activesupport
+      helix_runtime
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.0.0.1)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
     ast (2.3.0)
     awesome_print (1.7.0)
     byebug (9.0.5)
     codeclimate-test-reporter (0.6.0)
       simplecov (>= 0.7.1, < 1.0.0)
     coderay (1.1.1)
-    concurrent-ruby (1.0.2)
     docile (1.1.5)
-    i18n (0.7.0)
     json (2.0.2)
     method_source (0.8.2)
     minitest (5.9.0)
@@ -49,9 +48,6 @@ GEM
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
     slop (3.6.0)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
-      thread_safe (~> 0.1)
     unicode-display_width (1.1.1)
 
 PLATFORMS
@@ -61,6 +57,7 @@ DEPENDENCIES
   awesome_print
   case_transform!
   codeclimate-test-reporter
+  helix_runtime!
   minitest
   pry-byebug
   rake

README.md

@@ -18,6 +18,13 @@ or
 ```bash
 gem install case_transform
 ```
+
+### Possible? Dpendencies
+
+```
+sudo apt-get install libsigsegv-dev
+```
+
 ## Usage
 
 ```ruby

Rakefile

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 require 'bundler/gem_tasks'
+require 'rake/clean'
+require 'rake/testtask'
+require 'bundler/setup'
 
 # rubocop config copied from AMS
 begin
@@ -32,18 +35,44 @@ else
   end
 end
 
-require 'rake/testtask'
 
-Rake::TestTask.new(:test) do |t|
-  t.libs << 'lib'
-  t.libs << 'test'
-  t.pattern = 'test/**/*_test.rb'
-  t.ruby_opts = ['-r./test/test_helper.rb']
-  t.ruby_opts << ' -w' unless ENV['NO_WARN'] == 'true'
-  t.verbose = true
+
+directory 'target'
+directory 'lib/turbo_blank'
+
+task :cargo_build do
+  sh 'cargo build --release'
+  sh 'gcc ' \
+    '-Wl,-force_load,target/release/libcase_transform.a ' \
+    '--shared -Wl,-undefined,dynamic_lookup -o lib/case_transform/native.bundle'
+end
+CLEAN.include('target')
+
+file 'lib/case_transform/native.bundle' => ['lib/case_transform', :cargo_build] do
+  sh 'gcc ' \
+    '-Wl,-force_load,target/release/libcase_transform.a ' \
+    '--shared -Wl,-undefined,dynamic_lookup -o lib/case_transform/native.bundle'
+
 end
+CLOBBER.include('lib/case_transform/native.bundle')
 
+task irb: 'lib/case_transform/native.bundle' do
+  exec 'irb -Ilib -rcase_transform'
+end
+
+task benchmark: 'lib/case_transform/native.bundle' do
+  exec 'ruby -Ilib benchmark.rb'
+end
+
+Rake::TestTask.new(:test) do |t|
+  t.libs << "test"
+  t.libs << "lib"
+  t.test_files = FileList['test/**/*_test.rb']
+end
+#
+task :test => "lib/case_transform/native.bundle"
 task default: [:test, :rubocop]
 
+
 desc 'CI test task'
 task ci: [:default]

case_transform.gemspec

@@ -25,10 +25,11 @@ Gem::Specification.new do |s|
 
   s.required_ruby_version = '>= 2.0'
 
-  s.add_runtime_dependency 'activesupport'
-
   s.add_development_dependency 'rake'
 
+  # Rust
+  s.add_runtime_dependency 'helix_runtime'
+
   # Quality Control
   s.add_development_dependency 'rubocop'
   s.add_development_dependency 'codeclimate-test-reporter'

lib/case_transform.rb

@@ -1,9 +1,12 @@
 # frozen_string_literal: true
-require 'active_support/core_ext/hash/keys'
-require 'active_support/core_ext/string'
 
 require 'case_transform/version'
 
+require 'helix_runtime'
+
+RubyString = String
+require 'case_transform/native'
+
 module CaseTransform
   module_function
 
@@ -16,7 +19,7 @@ def camel(value)
       when Array then value.map { |item| camel(item) }
       when Hash then value.deep_transform_keys! { |key| camel(key) }
       when Symbol then camel(value.to_s).to_sym
-      when String then value.underscore.camelize
+      when String then value.to_snake_case.to_class_case
       else value
       end
     end
@@ -30,7 +33,7 @@ def camel_lower(value)
       when Array then value.map { |item| camel_lower(item) }
       when Hash then value.deep_transform_keys! { |key| camel_lower(key) }
       when Symbol then camel_lower(value.to_s).to_sym
-      when String then value.underscore.camelize(:lower)
+      when String then value.to_snake_case.to_camel_case
       else value
       end
     end
@@ -45,7 +48,7 @@ def dash(value)
       when Array then value.map { |item| dash(item) }
       when Hash then value.deep_transform_keys! { |key| dash(key) }
       when Symbol then dash(value.to_s).to_sym
-      when String then value.underscore.dasherize
+      when String then value.to_snake_case.to_kebab_case
       else value
       end
     end
@@ -60,7 +63,7 @@ def underscore(value)
       when Array then value.map { |item| underscore(item) }
       when Hash then value.deep_transform_keys! { |key| underscore(key) }
       when Symbol then underscore(value.to_s).to_sym
-      when String then value.underscore
+      when String then value.to_snake_case
       else value
       end
     end

src/lib.rs

@@ -0,0 +1,44 @@
+#[macro_use]
+extern crate helix;
+extern crate inflector;
+
+// // dash: kebab-case
+// use inflector::cases::kebabcase::to_kebab_case;
+// // underscore: snake_case
+// use inflector::cases::snakecase::to_snake_case;
+// // camel_lower: camelCase
+// use inflector::cases::camelcase::to_camel_case;
+// // camel: ClassCase (PascalCase)
+// use inflector::cases::classcase::to_class_case;
+use inflector::Inflector;
+
+declare_types! {
+    reopen class RubyString {
+        def to_snake_case(self) -> String {
+            self.to_string().to_snake_case()
+        }
+
+        def to_camel_case(self) -> String {
+            self.to_string().to_camel_case()
+        }
+
+        def to_class_case(self) -> String {
+            self.to_string().to_class_case()
+        }
+
+        def to_kebab_case(self) -> String {
+            self.to_string().to_kebab_case()
+        }
+    }
+}
+
+
+// TODO: Helix is eventually going to implement this
+use helix::{UncheckedValue, ToRust};
+
+impl ToString for RubyString {
+    fn to_string(&self) -> String {
+        let checked = self.0.to_checked().unwrap();
+        checked.to_rust()
+    }
+}