Moved mrbgems examples

examples/mrbgems/c_and_ruby_extension_example/README.md

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+C and Ruby Extension Example
+=========
+
+This is an example gem which implements a C and Ruby extension.

examples/mrbgems/c_and_ruby_extension_example/mrbgem.rake

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+MRuby::Gem::Specification.new('c_and_ruby_extension_example') do |spec|
+  spec.license = 'MIT'
+  spec.authors = 'mruby developers'
+ 
+  # Add compile flags
+  # spec.cc.flags << ''
+
+  # Add cflags to all
+  # spec.mruby.cc.flags << '-g'
+
+  # Add libraries
+  # spec.linker.libraries << 'external_lib'
+
+  # Default building fules
+  # spec.rbfiles = Dir.glob("#{dir}/mrblib/*.rb")
+  # spec.objs = Dir.glob("#{dir}/src/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
+  # spec.test_rbfiles = Dir.glob("#{dir}/test/*.rb")
+  # spec.test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
+  # spec.test_preload = 'test/assert.rb'
+end

examples/mrbgems/c_and_ruby_extension_example/mrblib/example.rb

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+module CRubyExtension
+  def CRubyExtension.ruby_method
+    puts "A Ruby Extension"
+  end
+end

examples/mrbgems/c_and_ruby_extension_example/src/example.c

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+#include <mruby.h>
+#include <stdio.h>
+
+static mrb_value
+mrb_c_method(mrb_state *mrb, mrb_value self)
+{
+  puts("A C Extension");
+  return self;
+}
+
+void
+mrb_c_and_ruby_extension_example_gem_init(mrb_state* mrb) {
+  struct RClass *class_cextension = mrb_define_module(mrb, "CRubyExtension");
+  mrb_define_class_method(mrb, class_cextension, "c_method", mrb_c_method, ARGS_NONE());
+}
+
+void
+mrb_c_and_ruby_extension_example_gem_final(mrb_state* mrb) {
+  // finalizer
+}

examples/mrbgems/c_and_ruby_extension_example/test/example.rb

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+assert('C and Ruby Extension Example 1') do
+  CRubyExtension.respond_to? :c_method
+end
+
+assert('C and Ruby Extension Example 2') do
+  CRubyExtension.respond_to? :ruby_method
+end

examples/mrbgems/c_extension_example/README.md

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+C Extension Example
+=========
+
+This is an example gem which implements a C extension.

examples/mrbgems/c_extension_example/mrbgem.rake

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+MRuby::Gem::Specification.new('c_extension_example') do |spec|
+  spec.license = 'MIT'
+  spec.authors = 'mruby developers'
+ 
+  # Add compile flags
+  # spec.cc.flags << '-g'
+
+  # Add cflags to all
+  # spec.mruby.cc.flags << '-g'
+
+  # Add libraries
+  # spec.linker.libraries << 'external_lib'
+
+  # Default building fules
+  # spec.rbfiles = Dir.glob("#{dir}/mrblib/*.rb")
+  # spec.objs = Dir.glob("#{dir}/src/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
+  # spec.test_rbfiles = Dir.glob("#{dir}/test/*.rb")
+  # spec.test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
+  # spec.test_preload = 'test/assert.rb'
+end

examples/mrbgems/c_extension_example/src/example.c

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+#include <mruby.h>
+#include <stdio.h>
+
+static mrb_value
+mrb_c_method(mrb_state *mrb, mrb_value self)
+{
+  puts("A C Extension");
+  return self;
+}
+
+void
+mrb_c_extension_example_gem_init(mrb_state* mrb) {
+  struct RClass *class_cextension = mrb_define_module(mrb, "CExtension");
+  mrb_define_class_method(mrb, class_cextension, "c_method", mrb_c_method, ARGS_NONE());
+}
+
+void
+mrb_c_extension_example_gem_final(mrb_state* mrb) {
+  // finalizer
+}

examples/mrbgems/c_extension_example/test/example.c

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+#include <mruby.h>
+
+void
+mrb_c_extension_example_gem_test(mrb_state *mrb)
+{
+  /* test initializer in C */
+}

examples/mrbgems/c_extension_example/test/example.rb

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+assert('C Extension Example') do
+  CExtension.respond_to? :c_method
+end

examples/mrbgems/ruby_extension_example/README.md

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+Pure Ruby Extension Example
+=========
+
+This is an example gem which implements a pure Ruby extension.

examples/mrbgems/ruby_extension_example/mrbgem.rake

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+MRuby::Gem::Specification.new('ruby_extension_example') do |spec|
+  spec.license = 'MIT'
+  spec.authors = 'mruby developers'
+ 
+  # Add compile flags
+  # spec.cc.flags << ''
+
+  # Add cflags to all
+  # spec.mruby.cc.flags << '-g'
+
+  # Add libraries
+  # spec.linker.libraries << 'external_lib'
+
+  # Default building fules
+  # spec.rbfiles = Dir.glob("#{dir}/mrblib/*.rb")
+  # spec.objs = Dir.glob("#{dir}/src/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
+  # spec.test_rbfiles = Dir.glob("#{dir}/test/*.rb")
+  # spec.test_objs = Dir.glob("#{dir}/test/*.{c,cpp,m,asm,S}").map { |f| objfile(f.relative_path_from(dir).pathmap("#{build_dir}/%X")) }
+  # spec.test_preload = 'test/assert.rb'
+end

examples/mrbgems/ruby_extension_example/mrblib/example.rb

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+class RubyExtension
+  def RubyExtension.ruby_method
+    puts "A Ruby Extension"
+  end
+end

examples/mrbgems/ruby_extension_example/test/example.rb

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+assert('Ruby Extension Example') do
+  RubyExtension.respond_to? :ruby_method
+end