{
"cells": [
{
"cell_type": "markdown",
"metadata": {
"toc": "true"
},
"source": [
"# Table of Contents\n",
" "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# repl\n",
"read execute print loop\n",
"\n",
"```ruby\n",
"require 'optparse'\n",
"\n",
"opt = OptionParser.new\n",
"opt.on('-a', '--add', 'add an item') { puts 'Added' }\n",
"opt.on('-d', '--del', 'delete an item') { puts 'Deleted' }\n",
"opt.parse(ARGV)\n",
"```\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"#!/usr/bin/ruby \n",
"require 'optparse'\n",
"\n",
"options = {:name => nil}\n",
"\n",
"parser = OptionParser.new do|opts|\n",
" opts.on('-n', '--name name', 'Give your own name') do |name|\n",
" options[:name] = name;\n",
" end\n",
"\n",
" opts.on('-h', '--help', 'Displays Help') do\n",
" puts opts\n",
" exit\n",
" end\n",
"end\n",
"\n",
"parser.parse!\n",
"\n",
"sayHello = 'Hello ' + options[:name]\n",
"\n",
"puts sayHello"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"Could not find command \"kernel\".\n"
]
}
],
"source": [
"require 'thor'\n",
"\n",
"class MyCLI < Thor\n",
" desc \"hello NAME\", \"say hello to NAME\"\n",
" def hello(name)\n",
" puts \"Hello #{name}\"\n",
" end\n",
"end\n",
"\n",
"\n",
"MyCLI.start(ARGV)"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"ename": "LoadError",
"evalue": "cannot load such file -- hanami/cli",
"output_type": "error",
"traceback": [
"\u001b[31mLoadError\u001b[0m: cannot load such file -- hanami/cli",
"\u001b[37m/usr/local/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:55:in `require'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:55:in `require'\u001b[0m",
"\u001b[37m(pry):28:in `'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/pry-0.11.2/lib/pry/pry_instance.rb:355:in `eval'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/pry-0.11.2/lib/pry/pry_instance.rb:355:in `evaluate_ruby'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/pry-0.11.2/lib/pry/pry_instance.rb:323:in `handle_line'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/pry-0.11.2/lib/pry/pry_instance.rb:243:in `block (2 levels) in eval'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/pry-0.11.2/lib/pry/pry_instance.rb:242:in `catch'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/pry-0.11.2/lib/pry/pry_instance.rb:242:in `block in eval'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/pry-0.11.2/lib/pry/pry_instance.rb:241:in `catch'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/pry-0.11.2/lib/pry/pry_instance.rb:241:in `eval'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/iruby-0.3/lib/iruby/backend.rb:66:in `eval'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/iruby-0.3/lib/iruby/backend.rb:12:in `eval'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/iruby-0.3/lib/iruby/kernel.rb:87:in `execute_request'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/iruby-0.3/lib/iruby/kernel.rb:47:in `dispatch'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/iruby-0.3/lib/iruby/kernel.rb:37:in `run'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/iruby-0.3/lib/iruby/command.rb:70:in `run_kernel'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/iruby-0.3/lib/iruby/command.rb:34:in `run'\u001b[0m",
"\u001b[37m/usr/local/lib/ruby/gems/2.2.0/gems/iruby-0.3/bin/iruby:5:in `'\u001b[0m",
"\u001b[37m/usr/local/bin/iruby:23:in `load'\u001b[0m",
"\u001b[37m/usr/local/bin/iruby:23:in `'\u001b[0m"
]
}
],
"source": [
"#!/usr/bin/env ruby \n",
"require \"bundler/setup\"\n",
"require 'hanami/cli'\n",
"\n",
"module Foo\n",
" module CLI\n",
" module Commands\n",
" extend Hanami::CLI::Registry\n",
"\n",
" class Greet < Hanami::CLI::Command\n",
"\targument :name, required: true, desc: \"The name of the person to greet\"\n",
"\n",
"\tdef call(name:, **)\n",
" result = \"Hello #{name}\"\n",
"\n",
" puts result\n",
"\tend\n",
" end\n",
"\n",
" register \"hello\", Greet\n",
" end\n",
" end\n",
"end\n",
"\n",
"Hanami::CLI.new(Foo::CLI::Commands).call"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# 比較\n",
".コード量においてはthorが最も少なく簡潔で分かりやすい．\n",
"\n",
".optparse及びhanamiではヘルプを自作する必要があるが，thorではその必要がなくruby thor.rbとだけ入力するとヘルプを表示する．\n",
"\n",
".ruby optparse.rbと入力するとエラーが表示されるが，ruby hanami.rbでは使用可能なコマンドの一覧が表示される．\n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Ruby 2.2.2",
"language": "ruby",
"name": "ruby"
},
"language_info": {
"file_extension": ".rb",
"mimetype": "application/x-ruby",
"name": "ruby",
"version": "2.2.2"
},
"latex_envs": {
"LaTeX_envs_menu_present": true,
"autocomplete": true,
"bibliofile": "biblio.bib",
"cite_by": "apalike",
"current_citInitial": 1,
"eqLabelWithNumbers": true,
"eqNumInitial": 1,
"hotkeys": {
"equation": "Ctrl-E",
"itemize": "Ctrl-I"
},
"labels_anchors": false,
"latex_user_defs": false,
"report_style_numbering": false,
"user_envs_cfg": false
},
"toc": {
"colors": {
"hover_highlight": "#DAA520",
"navigate_num": "#000000",
"navigate_text": "#333333",
"running_highlight": "#FF0000",
"selected_highlight": "#FFD700",
"sidebar_border": "#EEEEEE",
"wrapper_background": "#FFFFFF"
},
"moveMenuLeft": true,
"nav_menu": {
"height": "47px",
"width": "252px"
},
"navigate_menu": true,
"number_sections": true,
"sideBar": true,
"threshold": 4,
"toc_cell": true,
"toc_section_display": "block",
"toc_window_display": true,
"widenNotebook": false
}
},
"nbformat": 4,
"nbformat_minor": 2
}