Initial import.

COPYING

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+Copyright (c) Manfred Stienstra, Fingertips <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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.

README.md

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+# Tedrahcu
+
+Tedrahcu is a Ruby wrapper for Uchardet.
+
+```sh
+gem install tedrahcu
+```
+
+```ruby
+require 'tedrahcu'
+Tedrahcu.detect('hey') #=> 'ASCII'
+```

Rakefile

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+require 'rdoc/task'
+
+$:.unshift(File.expand_path('../ext', __FILE__))
+
+task default: :test
+task compile: "extconf:compile"
+
+desc "Run all tests"
+task test: :compile do
+  Dir[File.dirname(__FILE__) + '/test/**/*_test.rb'].each do |file|
+    ruby file
+  end
+end
+
+namespace :profile do
+  desc "Profile memory"
+  task memory: :compile do
+    sh 'valgrind --tool=memcheck --leak-check=yes --num-callers=10 --track-fds=yes ruby test/profile/memory.rb'
+  end
+end
+
+task :clean do
+  crap = "*.{bundle,so,o,obj,log}"
+  ["*.gem", "ext/**/#{crap}", "ext/**/Makefile"].each do |glob|
+    Dir.glob(glob).each do |file|
+      rm(file)
+    end
+  end
+end
+
+namespace :extconf do
+  task :makefile do
+    Dir.chdir('ext') do
+      ruby "extconf.rb"
+    end
+  end
+
+  task make: :makefile do
+    Dir.chdir('ext') do
+      sh(RUBY_PLATFORM =~ /win32/ ? 'nmake' : 'make') do |ok, res|
+        if !ok
+          require "fileutils"
+          FileUtils.rm_rf(Dir.glob('*.{so,o,dll,bundle}'))
+        end
+      end
+    end
+  end
+
+  desc "Compile the Ruby extension"
+  task compile: :make do
+    if Dir.glob("ext/*.{o,so,dll}").length == 0
+      $stderr.puts("Failed to build ext.")
+      exit(1)
+    end
+  end
+end
+
+namespace :docs do
+  Rake::RDocTask.new('generate') do |rdoc|
+    rdoc.title = 'Tedrahcu'
+    rdoc.main = "README.md"
+    rdoc.rdoc_files.include('README.md', 'ext/tedrahcu.c')
+    rdoc.options << "--all" << "--charset" << "utf-8"
+  end
+end

ext/extconf.rb

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+require 'mkmf'
+
+dir_config('uchardet')
+pkg_config('uchardet')
+create_makefile('tedrahcu', 'tedrahcu')

ext/tedrahcu/tedrahcu.c

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+#include <ruby.h>
+#include <uchardet.h>
+
+/*
+ * call-seq:
+ *   detect(input)
+ *
+ * Return the charset that is detected in the input.
+ */
+static VALUE tedrahcu_detect(VALUE self, VALUE input)
+{
+  VALUE result;
+  uchardet_t detector;
+
+  // When the input is nil we return nil.
+  if (NIL_P(input)) return Qnil;
+
+  // In other cases we expect a string.
+  Check_Type(input, T_STRING);
+
+  detector = uchardet_new();
+  uchardet_handle_data(detector, StringValuePtr(input), RSTRING_LEN(input));
+  uchardet_data_end(detector);
+  result = rb_str_new2(uchardet_get_charset(detector));
+  uchardet_delete(detector);
+
+  return result;
+}
+
+void Init_tedrahcu()
+{
+  VALUE mRingcurl;
+
+  mRingcurl = rb_define_module("Tedrahcu");
+
+  rb_define_module_function(mRingcurl, "detect", tedrahcu_detect, 1);
+}

tedrahcu.gemspec

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+$:.unshift File.expand_path('../lib', __FILE__)
+
+Gem::Specification.new do |spec|
+  spec.name     = "tedrahcu"
+  spec.version  = '1.0.0'
+  spec.licenses = ['MIT']
+  spec.date     = Date.today
+
+  spec.summary  = "Ruby wrapper for uchardet"
+  spec.description = "Uchardet tries to guess the encoding of a byte stream."
+  spec.authors  = ["Manfred Stienstra"]
+  spec.homepage = "http://github.com/Manfred/tedrahcu"
+  spec.email = ['[email protected]']
+
+  spec.extensions << 'ext/extconf.rb'
+  spec.files = Dir.glob('{bin,lib,ext}/**/*') + [
+    'README.md',
+    'COPYING'
+  ]
+  spec.extra_rdoc_files = %w(
+    README.md
+    COPYING
+  )
+end

test/preamble.rb

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+require 'minitest/autorun'
+$:.unshift(File.expand_path("../ext", __dir__))
+require 'tedrahcu'

test/profile/memory.rb

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+$:.unshift(File.expand_path("../../ext", __dir__))
+require 'tedrahcu'
+Tedrahcu.detect(File.read('tedrahcu.gemspec'))

test/unit/tedrahcu_test.rb

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+require_relative '../preamble'
+
+class TedrahcuTest < Minitest::Test
+  def test_detects_charset
+    assert_equal nil, Tedrahcu.detect(nil)
+    assert_equal '', Tedrahcu.detect('')
+    assert_equal 'UTF-8', Tedrahcu.detect('é')
+    assert_equal 'ASCII', Tedrahcu.detect('There are so many ASCII characters.')
+  end
+end